bundles/org.eclipse.e4.tools.orion.css.editor/web/built-editor.js - gerrit/e4/org.eclipse.e4.tools - Git at Google

 /* orion editor */
 /**
  * almond 0.2.4 Copyright (c) 2011-2012, The Dojo Foundation All Rights Reserved.
  * Available via the MIT or new BSD license.
  * see: http://github.com/jrburke/almond for details
  */
 //Going sloppy to avoid 'use strict' string cost, but strict practices should
 //be followed.
 /*jslint sloppy: true */
 /*global setTimeout: false */

 var requirejs, require, define;
 (function (undef) {
     var main, req, makeMap, handlers,
         defined = {},
         waiting = {},
         config = {},
         defining = {},
         hasOwn = Object.prototype.hasOwnProperty,
         aps = [].slice;

     function hasProp(obj, prop) {
         return hasOwn.call(obj, prop);
     }

     /**
      * Given a relative module name, like ./something, normalize it to
      * a real name that can be mapped to a path.
      * @param {String} name the relative name
      * @param {String} baseName a real name that the name arg is relative
      * to.
      * @returns {String} normalized name
      */
     function normalize(name, baseName) {
         var nameParts, nameSegment, mapValue, foundMap,
             foundI, foundStarMap, starI, i, j, part,
             baseParts = baseName && baseName.split("/"),
             map = config.map,
             starMap = (map && map['*']) || {};

         //Adjust any relative paths.
         if (name && name.charAt(0) === ".") {
             //If have a base name, try to normalize against it,
             //otherwise, assume it is a top-level require that will
             //be relative to baseUrl in the end.
             if (baseName) {
                 //Convert baseName to array, and lop off the last part,
                 //so that . matches that "directory" and not name of the baseName's
                 //module. For instance, baseName of "one/two/three", maps to
                 //"one/two/three.js", but we want the directory, "one/two" for
                 //this normalization.
                 baseParts = baseParts.slice(0, baseParts.length - 1);

                 name = baseParts.concat(name.split("/"));

                 //start trimDots
                 for (i = 0; i < name.length; i += 1) {
                     part = name[i];
                     if (part === ".") {
                         name.splice(i, 1);
                         i -= 1;
                     } else if (part === "..") {
                         if (i === 1 && (name[2] === '..' || name[0] === '..')) {
                             //End of the line. Keep at least one non-dot
                             //path segment at the front so it can be mapped
                             //correctly to disk. Otherwise, there is likely
                             //no path mapping for a path starting with '..'.
                             //This can still fail, but catches the most reasonable
                             //uses of ..
                             break;
                         } else if (i > 0) {
                             name.splice(i - 1, 2);
                             i -= 2;
                         }
                     }
                 }
                 //end trimDots

                 name = name.join("/");
             } else if (name.indexOf('./') === 0) {
                 // No baseName, so this is ID is resolved relative
                 // to baseUrl, pull off the leading dot.
                 name = name.substring(2);
             }
         }

         //Apply map config if available.
         if ((baseParts || starMap) && map) {
             nameParts = name.split('/');

             for (i = nameParts.length; i > 0; i -= 1) {
                 nameSegment = nameParts.slice(0, i).join("/");

                 if (baseParts) {
                     //Find the longest baseName segment match in the config.
                     //So, do joins on the biggest to smallest lengths of baseParts.
                     for (j = baseParts.length; j > 0; j -= 1) {
                         mapValue = map[baseParts.slice(0, j).join('/')];

                         //baseName segment has  config, find if it has one for
                         //this name.
                         if (mapValue) {
                             mapValue = mapValue[nameSegment];
                             if (mapValue) {
                                 //Match, update name to the new value.
                                 foundMap = mapValue;
                                 foundI = i;
                                 break;
                             }
                         }
                     }
                 }

                 if (foundMap) {
                     break;
                 }

                 //Check for a star map match, but just hold on to it,
                 //if there is a shorter segment match later in a matching
                 //config, then favor over this star map.
                 if (!foundStarMap && starMap && starMap[nameSegment]) {
                     foundStarMap = starMap[nameSegment];
                     starI = i;
                 }
             }

             if (!foundMap && foundStarMap) {
                 foundMap = foundStarMap;
                 foundI = starI;
             }

             if (foundMap) {
                 nameParts.splice(0, foundI, foundMap);
                 name = nameParts.join('/');
             }
         }

         return name;
     }

     function makeRequire(relName, forceSync) {
         return function () {
             //A version of a require function that passes a moduleName
             //value for items that may need to
             //look up paths relative to the moduleName
             return req.apply(undef, aps.call(arguments, 0).concat([relName, forceSync]));
         };
     }

     function makeNormalize(relName) {
         return function (name) {
             return normalize(name, relName);
         };
     }

     function makeLoad(depName) {
         return function (value) {
             defined[depName] = value;
         };
     }

     function callDep(name) {
         if (hasProp(waiting, name)) {
             var args = waiting[name];
             delete waiting[name];
             defining[name] = true;
             main.apply(undef, args);
         }

         if (!hasProp(defined, name) && !hasProp(defining, name)) {
             throw new Error('No ' + name);
         }
         return defined[name];
     }

     //Turns a plugin!resource to [plugin, resource]
     //with the plugin being undefined if the name
     //did not have a plugin prefix.
     function splitPrefix(name) {
         var prefix,
             index = name ? name.indexOf('!') : -1;
         if (index > -1) {
             prefix = name.substring(0, index);
             name = name.substring(index + 1, name.length);
         }
         return [prefix, name];
     }

     /**
      * Makes a name map, normalizing the name, and using a plugin
      * for normalization if necessary. Grabs a ref to plugin
      * too, as an optimization.
      */
     makeMap = function (name, relName) {
         var plugin,
             parts = splitPrefix(name),
             prefix = parts[0];

         name = parts[1];

         if (prefix) {
             prefix = normalize(prefix, relName);
             plugin = callDep(prefix);
         }

         //Normalize according
         if (prefix) {
             if (plugin && plugin.normalize) {
                 name = plugin.normalize(name, makeNormalize(relName));
             } else {
                 name = normalize(name, relName);
             }
         } else {
             name = normalize(name, relName);
             parts = splitPrefix(name);
             prefix = parts[0];
             name = parts[1];
             if (prefix) {
                 plugin = callDep(prefix);
             }
         }

         //Using ridiculous property names for space reasons
         return {
             f: prefix ? prefix + '!' + name : name, //fullName
             n: name,
             pr: prefix,
             p: plugin
         };
     };

     function makeConfig(name) {
         return function () {
             return (config && config.config && config.config[name]) || {};
         };
     }

     handlers = {
         require: function (name) {
             return makeRequire(name);
         },
         exports: function (name) {
             var e = defined[name];
             if (typeof e !== 'undefined') {
                 return e;
             } else {
                 return (defined[name] = {});
             }
         },
         module: function (name) {
             return {
                 id: name,
                 uri: '',
                 exports: defined[name],
                 config: makeConfig(name)
             };
         }
     };

     main = function (name, deps, callback, relName) {
         var cjsModule, depName, ret, map, i,
             args = [],
             usingExports;

         //Use name if no relName
         relName = relName || name;

         //Call the callback to define the module, if necessary.
         if (typeof callback === 'function') {

             //Pull out the defined dependencies and pass the ordered
             //values to the callback.
             //Default to [require, exports, module] if no deps
             deps = !deps.length && callback.length ? ['require', 'exports', 'module'] : deps;
             for (i = 0; i < deps.length; i += 1) {
                 map = makeMap(deps[i], relName);
                 depName = map.f;

                 //Fast path CommonJS standard dependencies.
                 if (depName === "require") {
                     args[i] = handlers.require(name);
                 } else if (depName === "exports") {
                     //CommonJS module spec 1.1
                     args[i] = handlers.exports(name);
                     usingExports = true;
                 } else if (depName === "module") {
                     //CommonJS module spec 1.1
                     cjsModule = args[i] = handlers.module(name);
                 } else if (hasProp(defined, depName) ||
                            hasProp(waiting, depName) ||
                            hasProp(defining, depName)) {
                     args[i] = callDep(depName);
                 } else if (map.p) {
                     map.p.load(map.n, makeRequire(relName, true), makeLoad(depName), {});
                     args[i] = defined[depName];
                 } else {
                     throw new Error(name + ' missing ' + depName);
                 }
             }

             ret = callback.apply(defined[name], args);

             if (name) {
                 //If setting exports via "module" is in play,
                 //favor that over return value and exports. After that,
                 //favor a non-undefined return value over exports use.
                 if (cjsModule && cjsModule.exports !== undef &&
                         cjsModule.exports !== defined[name]) {
                     defined[name] = cjsModule.exports;
                 } else if (ret !== undef || !usingExports) {
                     //Use the return value from the function.
                     defined[name] = ret;
                 }
             }
         } else if (name) {
             //May just be an object definition for the module. Only
             //worry about defining if have a module name.
             defined[name] = callback;
         }
     };

     requirejs = require = req = function (deps, callback, relName, forceSync, alt) {
         if (typeof deps === "string") {
             if (handlers[deps]) {
                 //callback in this case is really relName
                 return handlers[deps](callback);
             }
             //Just return the module wanted. In this scenario, the
             //deps arg is the module name, and second arg (if passed)
             //is just the relName.
             //Normalize module name, if it contains . or ..
             return callDep(makeMap(deps, callback).f);
         } else if (!deps.splice) {
             //deps is a config object, not an array.
             config = deps;
             if (callback.splice) {
                 //callback is an array, which means it is a dependency list.
                 //Adjust args if there are dependencies
                 deps = callback;
                 callback = relName;
                 relName = null;
             } else {
                 deps = undef;
             }
         }

         //Support require(['a'])
         callback = callback || function () {};

         //If relName is a function, it is an errback handler,
         //so remove it.
         if (typeof relName === 'function') {
             relName = forceSync;
             forceSync = alt;
         }

         //Simulate async callback;
         if (forceSync) {
             main(undef, deps, callback, relName);
         } else {
             //Using a non-zero value because of concern for what old browsers
             //do, and latest browsers "upgrade" to 4 if lower value is used:
             //http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#dom-windowtimers-settimeout:
             //If want a value immediately, use require('id') instead -- something
             //that works in almond on the global level, but not guaranteed and
             //unlikely to work in other AMD implementations.
             setTimeout(function () {
                 main(undef, deps, callback, relName);
             }, 4);
         }

         return req;
     };

     /**
      * Just drops the config on the floor, but returns req in case
      * the config return value is used.
      */
     req.config = function (cfg) {
         config = cfg;
         return req;
     };

     define = function (name, deps, callback) {

         //This module may not have dependencies
         if (!deps.splice) {
             //deps is not an array, so probably means
             //an object literal or factory function for
             //the value. Adjust args.
             callback = deps;
             deps = [];
         }

         if (!hasProp(defined, name) && !hasProp(waiting, name)) {
             waiting[name] = [name, deps, callback];
         }
     };

     define.amd = {
         jQuery: true
     };
 }());

 define("almond", function(){});

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define("orion/editor/shim", [], function() { //$NON-NLS-0$

 	if (!Object.create) {
 		Object.create = function(proto, props) {
 			function N() {}
 			N.prototype = proto;
 			var result = new N();
 			if (props) {
 				for (var p in props) {
 					if (props.hasOwnProperty(p)) {
 						if (props[p].hasOwnProperty("value")) { //$NON-NLS-0$
 							result[p] = props[p].value;
 						} else {
 							result[p] = function() {
 								if (arguments.length > 0) {
 									return props[p].get();
 								} else {
 									props[p].set(arguments);
 								}
 							};
 						}
 					}
 				}
 			}
 			return result;
 		};
 	}
 	if (!Object.keys) {
 		Object.keys = function(o) {
 			var result = [];
 			for (var p in o) {
 				if (o.hasOwnProperty(p)) {
 					result.push(p);
 				}
 			}
 			return result;
 		};
 	}

 	if (!Function.prototype.bind) {
 		Function.prototype.bind = function (context) {
 			var fn = this, fixed = Array.prototype.slice.call(arguments, 1);
 			if (fixed.length) {
 				return function() {
 					return arguments.length	? fn.apply(context, fixed.concat(Array.prototype.slice.call(arguments))) : fn.apply(context, fixed);
 				};
 			}
 			return function() {
 				return arguments.length ? fn.apply(context, arguments) : fn.call(context);
 			};
 		};
 	}


 	if (!Array.prototype.indexOf) {
 		Array.prototype.indexOf = function(c) {
 			for (var i=0; i<this.length; i++) {
 				if (this[i] === c) {
 					return i;
 				}
 			}
 			return -1;
 		};
 	}
 	if (!Array.prototype.forEach) {
 		Array.prototype.forEach = function(func) {
 			for (var i=0; i<this.length; i++) {
 				func(this[i], i);
 			}
 		};
 	}
 	if (!Array.prototype.map) {
 		Array.prototype.map = function(func) {
 			var result = new Array(this.length);
 			for (var i=0; i<this.length; i++) {
 				result[i] = func(this[i]);
 			}
 			return result;
 		};
 	}
 	if (!Array.prototype.reduce) {
 		Array.prototype.reduce = function(func, initialValue){
 			var result, set = false;
 			if (1 < arguments.length) {
 				result = initialValue;
 				set = true;
 			}
 			for (var i = 0; this.length > i; ++i) {
 				if (set) {
 					result = func(result, this[i], i, this);
 				} else {
 					result = this[i];
 					set = true;
 				}
 			}
 			return result;
 		};
 	}

 	if (!String.prototype.trim) {
 		String.prototype.trim = function(){
 			return this.replace(/^\s+/, '');
 		};
 	}
 	if (!String.prototype.trimLeft) {
 		String.prototype.trimLeft = function(){
 			return this.replace(/\s+$/, '');
 		};
 	}
 	if (!String.prototype.trimRight) {
 		String.prototype.trimRight = function(){
 			return this.replace(/^\s+|\s+$/g, '');
 		};
 	}

 	return {};
 });

 /**
  * @license RequireJS i18n 2.0.2 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
  * Available via the MIT or new BSD license.
  * see: http://github.com/requirejs/i18n for details
  */
 /*jslint regexp: true */
 /*global require: false, navigator: false, define: false */

 /**
  * This plugin handles i18n! prefixed modules. It does the following:
  *
  * 1) A regular module can have a dependency on an i18n bundle, but the regular
  * module does not want to specify what locale to load. So it just specifies
  * the top-level bundle, like "i18n!nls/colors".
  *
  * This plugin will load the i18n bundle at nls/colors, see that it is a root/master
  * bundle since it does not have a locale in its name. It will then try to find
  * the best match locale available in that master bundle, then request all the
  * locale pieces for that best match locale. For instance, if the locale is "en-us",
  * then the plugin will ask for the "en-us", "en" and "root" bundles to be loaded
  * (but only if they are specified on the master bundle).
  *
  * Once all the bundles for the locale pieces load, then it mixes in all those
  * locale pieces into each other, then finally sets the context.defined value
  * for the nls/colors bundle to be that mixed in locale.
  *
  * 2) A regular module specifies a specific locale to load. For instance,
  * i18n!nls/fr-fr/colors. In this case, the plugin needs to load the master bundle
  * first, at nls/colors, then figure out what the best match locale is for fr-fr,
  * since maybe only fr or just root is defined for that locale. Once that best
  * fit is found, all of its locale pieces need to have their bundles loaded.
  *
  * Once all the bundles for the locale pieces load, then it mixes in all those
  * locale pieces into each other, then finally sets the context.defined value
  * for the nls/fr-fr/colors bundle to be that mixed in locale.
  */
 (function () {


     //regexp for reconstructing the master bundle name from parts of the regexp match
     //nlsRegExp.exec("foo/bar/baz/nls/en-ca/foo") gives:
     //["foo/bar/baz/nls/en-ca/foo", "foo/bar/baz/nls/", "/", "/", "en-ca", "foo"]
     //nlsRegExp.exec("foo/bar/baz/nls/foo") gives:
     //["foo/bar/baz/nls/foo", "foo/bar/baz/nls/", "/", "/", "foo", ""]
     //so, if match[5] is blank, it means this is the top bundle definition.
     var nlsRegExp = /(^.*(^|\/)nls(\/|$))([^\/]*)\/?([^\/]*)/;

     //Helper function to avoid repeating code. Lots of arguments in the
     //desire to stay functional and support RequireJS contexts without having
     //to know about the RequireJS contexts.
     function addPart(locale, master, needed, toLoad, prefix, suffix) {
         if (master[locale]) {
             needed.push(locale);
             if (master[locale] === true || master[locale] === 1) {
                 toLoad.push(prefix + locale + '/' + suffix);
             }
         }
     }

     function addIfExists(req, locale, toLoad, prefix, suffix) {
         var fullName = prefix + locale + '/' + suffix;
         if (require._fileExists(req.toUrl(fullName + '.js'))) {
             toLoad.push(fullName);
         }
     }

     /**
      * Simple function to mix in properties from source into target,
      * but only if target does not already have a property of the same name.
      * This is not robust in IE for transferring methods that match
      * Object.prototype names, but the uses of mixin here seem unlikely to
      * trigger a problem related to that.
      */
     function mixin(target, source, force) {
         var prop;
         for (prop in source) {
             if (source.hasOwnProperty(prop) && (!target.hasOwnProperty(prop) || force)) {
                 target[prop] = source[prop];
             } else if (typeof source[prop] === 'object') {
                 mixin(target[prop], source[prop], force);
             }
         }
     }

     define('i18n',['module'], function (module) {
         var masterConfig = module.config ? module.config() : {};

         return {
             version: '2.0.1+',
             /**
              * Called when a dependency needs to be loaded.
              */
             load: function (name, req, onLoad, config) {
                 config = config || {};

                 if (config.locale) {
                     masterConfig.locale = config.locale;
                 }

                 var masterName,
                     match = nlsRegExp.exec(name),
                     prefix = match[1],
                     locale = match[4],
                     suffix = match[5],
                     parts = locale.split("-"),
                     toLoad = [],
                     value = {},
                     i, part, current = "";

                 //If match[5] is blank, it means this is the top bundle definition,
                 //so it does not have to be handled. Locale-specific requests
                 //will have a match[4] value but no match[5]
                 if (match[5]) {
                     //locale-specific bundle
                     prefix = match[1];
                     masterName = prefix + suffix;
                 } else {
                     //Top-level bundle.
                     masterName = name;
                     suffix = match[4];
                     locale = masterConfig.locale;
                     if (!locale) {
                         locale = masterConfig.locale =
                             typeof navigator === "undefined" ? "root" :
                             (navigator.language ||
                              navigator.userLanguage || "root").toLowerCase();
                     }
                     parts = locale.split("-");
                 }

                 if (config.isBuild) {
                     //Check for existence of all locale possible files and
                     //require them if exist.
                     toLoad.push(masterName);
                     addIfExists(req, "root", toLoad, prefix, suffix);
                     for (i = 0; i < parts.length; i++) {
                         part = parts[i];
                         current += (current ? "-" : "") + part;
                         addIfExists(req, current, toLoad, prefix, suffix);
                     }

                     req(toLoad, function () {
                         onLoad();
                     });
                 } else {
                     //First, fetch the master bundle, it knows what locales are available.
                     req([masterName], function (master) {
                         //Figure out the best fit
                         var needed = [],
                             part;

                         //Always allow for root, then do the rest of the locale parts.
                         addPart("root", master, needed, toLoad, prefix, suffix);
                         for (i = 0; i < parts.length; i++) {
                             part = parts[i];
                             current += (current ? "-" : "") + part;
                             addPart(current, master, needed, toLoad, prefix, suffix);
                         }

                         //Load all the parts missing.
                         req(toLoad, function () {
                             var i, partBundle, part;
                             for (i = needed.length - 1; i > -1 && needed[i]; i--) {
                                 part = needed[i];
                                 partBundle = master[part];
                                 if (partBundle === true || partBundle === 1) {
                                     partBundle = req(prefix + part + '/' + suffix);
                                 }
                                 mixin(value, partBundle);
                             }

                             //All done, notify the loader.
                             onLoad(value);
                         });
                     });
                 }
             }
         };
     });
 }());

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define */
 define('orion/editor/i18n',{
 	load: function(name, parentRequire, onLoad, config) {
 		if (parentRequire.specified && parentRequire.specified("orion/bootstrap")) { //$NON-NLS-0$
 			parentRequire(["orion/i18n!" + name], function(languages) { //$NON-NLS-0$
 				onLoad(languages);
 			});
 		} else {
 			onLoad({});
 		}
 	}
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 //NLS_CHARSET=UTF-8

 /*global define*/

 define('orion/editor/nls/root/messages',{
 	"multipleAnnotations": "Multiple annotations:", //$NON-NLS-1$ //$NON-NLS-0$
 	"line": "Line: ${0}", //$NON-NLS-1$ //$NON-NLS-0$
 	"breakpoint": "Breakpoint", //$NON-NLS-1$ //$NON-NLS-0$
 	"bookmark": "Bookmark", //$NON-NLS-1$ //$NON-NLS-0$
 	"task": "Task", //$NON-NLS-1$ //$NON-NLS-0$
 	"error": "Error", //$NON-NLS-1$ //$NON-NLS-0$
 	"warning": "Warning", //$NON-NLS-1$ //$NON-NLS-0$
 	"matchingSearch": "Matching Search", //$NON-NLS-1$ //$NON-NLS-0$
 	"currentSearch": "Current Search", //$NON-NLS-1$ //$NON-NLS-0$
 	"currentLine": "Current Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"matchingBracket": "Matching Bracket", //$NON-NLS-1$ //$NON-NLS-0$
 	"currentBracket": "Current Bracket", //$NON-NLS-1$ //$NON-NLS-0$

 	"lineUp": "Line Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"lineDown": "Line Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"lineStart": "Line Start", //$NON-NLS-1$ //$NON-NLS-0$
 	"lineEnd": "Line End", //$NON-NLS-1$ //$NON-NLS-0$
 	"charPrevious": "Previous Character", //$NON-NLS-1$ //$NON-NLS-0$
 	"charNext": "Next Character", //$NON-NLS-1$ //$NON-NLS-0$
 	"pageUp": "Page Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"pageDown": "Page Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"scrollPageUp": "Scroll Page Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"scrollPageDown": "Scroll Page Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"scrollLineUp": "Scroll Line Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"scrollLineDown": "Scroll Line Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"wordPrevious": "Previous Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"wordNext": "Next Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"textStart": "Document Start", //$NON-NLS-1$ //$NON-NLS-0$
 	"textEnd": "Document End", //$NON-NLS-1$ //$NON-NLS-0$
 	"scrollTextStart": "Scroll Document Start", //$NON-NLS-1$ //$NON-NLS-0$
 	"scrollTextEnd": "Scroll Document End", //$NON-NLS-1$ //$NON-NLS-0$
 	"centerLine": "Center Line", //$NON-NLS-1$ //$NON-NLS-0$

 	"selectLineUp": "Select Line Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectLineDown": "Select Line Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectWholeLineUp": " Select Whole Line Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectWholeLineDown": "Select Whole Line Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectLineStart": "Select Line Start", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectLineEnd": "Select Line End", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectCharPrevious": "Select Previous Character", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectCharNext": "Select Next Character", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectPageUp": "Select Page Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectPageDown": "Select Page Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectWordPrevious": "Select Previous Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectWordNext": "Select Next Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectTextStart": "Select Document Start", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectTextEnd": "Select Document End", //$NON-NLS-1$ //$NON-NLS-0$

 	"deletePrevious": "Delete Previous Character", //$NON-NLS-1$ //$NON-NLS-0$
 	"deleteNext": "Delete Next Character", //$NON-NLS-1$ //$NON-NLS-0$
 	"deleteWordPrevious": "Delete Previous Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"deleteWordNext": "Delete Next Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"deleteLineStart": "Delete Line Start", //$NON-NLS-1$ //$NON-NLS-0$
 	"deleteLineEnd": "Delete Line End", //$NON-NLS-1$ //$NON-NLS-0$
 	"tab": "Insert Tab", //$NON-NLS-1$ //$NON-NLS-0$
 	"enter": "Insert Line Delimiter", //$NON-NLS-1$ //$NON-NLS-0$
 	"enterNoCursor": "Insert Line Delimiter", //$NON-NLS-1$ //$NON-NLS-0$
 	"selectAll": "Select All", //$NON-NLS-1$ //$NON-NLS-0$
 	"copy": "Copy", //$NON-NLS-1$ //$NON-NLS-0$
 	"cut": "Cut", //$NON-NLS-1$ //$NON-NLS-0$
 	"paste": "Paste", //$NON-NLS-1$ //$NON-NLS-0$

 	"uppercase": "To Upper Case", //$NON-NLS-1$ //$NON-NLS-0$
 	"lowercase": "To Lower Case", //$NON-NLS-1$ //$NON-NLS-0$
 	"capitalize": "Capitalize", //$NON-NLS-1$ //$NON-NLS-0$
 	"reversecase" : "Reverse Case", //$NON-NLS-1$ //$NON-NLS-0$

 	"toggleWrapMode": "Toggle Wrap Mode", //$NON-NLS-1$ //$NON-NLS-0$
 	"toggleTabMode": "Toggle Tab Mode", //$NON-NLS-1$ //$NON-NLS-0$
 	"toggleOverwriteMode": "Toggle Overwrite Mode", //$NON-NLS-1$ //$NON-NLS-0$

 	"committerOnTime": "${0} on ${1}", //$NON-NLS-1$ //$NON-NLS-0$

 	//Emacs
 	"emacs": "Emacs", //$NON-NLS-1$ //$NON-NLS-0$
 	"exchangeMarkPoint": "Exchange Mark and Point", //$NON-NLS-1$ //$NON-NLS-0$
 	"setMarkCommand": "Set Mark", //$NON-NLS-1$ //$NON-NLS-0$
 	"clearMark": "Clear Mark", //$NON-NLS-1$ //$NON-NLS-0$
 	"digitArgument": "Digit Argument ${0}", //$NON-NLS-1$ //$NON-NLS-0$
 	"negativeArgument": "Negative Argument", //$NON-NLS-1$ //$NON-NLS-0$

 	"Comment": "Comment", //$NON-NLS-1$ //$NON-NLS-0$
 	"Flat outline": "Flat outline", //$NON-NLS-1$ //$NON-NLS-0$
 	"incrementalFindStr": "Incremental find: ${0}", //$NON-NLS-1$ //$NON-NLS-0$
 	"incrementalFindStrNotFound": "Incremental find: ${0} (not found)", //$NON-NLS-1$ //$NON-NLS-0$
 	"incrementalFindReverseStr": "Reverse Incremental find: ${0}", //$NON-NLS-1$ //$NON-NLS-0$
 	"incrementalFindReverseStrNotFound": "Reverse Incremental find: ${0} (not found)", //$NON-NLS-1$ //$NON-NLS-0$
 	"find": "Find...", //$NON-NLS-1$ //$NON-NLS-0$
 	"undo": "Undo", //$NON-NLS-1$ //$NON-NLS-0$
 	"redo": "Redo", //$NON-NLS-1$ //$NON-NLS-0$
 	"cancelMode": "Cancel Current Mode", //$NON-NLS-1$ //$NON-NLS-0$
 	"findNext": "Find Next Occurrence", //$NON-NLS-1$ //$NON-NLS-0$
 	"findPrevious": "Find Previous Occurrence", //$NON-NLS-1$ //$NON-NLS-0$
 	"incrementalFind": "Incremental Find", //$NON-NLS-1$ //$NON-NLS-0$
 	"incrementalFindReverse": "Incremental Find Reverse", //$NON-NLS-1$ //$NON-NLS-0$
 	"indentLines": "Indent Lines", //$NON-NLS-1$ //$NON-NLS-0$
 	"unindentLines": "Unindent Lines", //$NON-NLS-1$ //$NON-NLS-0$
 	"moveLinesUp": "Move Lines Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"moveLinesDown": "Move Lines Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"copyLinesUp": "Copy Lines Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"copyLinesDown": "Copy Lines Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"deleteLines": "Delete Lines", //$NON-NLS-1$ //$NON-NLS-0$
 	"gotoLine": "Goto Line...", //$NON-NLS-1$ //$NON-NLS-0$
 	"gotoLinePrompty": "Goto Line:", //$NON-NLS-1$ //$NON-NLS-0$
 	"nextAnnotation": "Next Annotation", //$NON-NLS-1$ //$NON-NLS-0$
 	"prevAnnotation": "Previous Annotation", //$NON-NLS-1$ //$NON-NLS-0$
 	"expand": "Expand", //$NON-NLS-1$ //$NON-NLS-0$
 	"collapse": "Collapse", //$NON-NLS-1$ //$NON-NLS-0$
 	"expandAll": "Expand All", //$NON-NLS-1$ //$NON-NLS-0$
 	"collapseAll": "Collapse All", //$NON-NLS-1$ //$NON-NLS-0$
 	"lastEdit": "Last Edit Location", //$NON-NLS-1$ //$NON-NLS-0$
 	"trimTrailingWhitespaces": "Trim Trailing Whitespaces", //$NON-NLS-1$ //$NON-NLS-0$
 	"toggleLineComment": "Toggle Line Comment", //$NON-NLS-1$ //$NON-NLS-0$
 	"addBlockComment": "Add Block Comment", //$NON-NLS-1$ //$NON-NLS-0$
 	"removeBlockComment": "Remove Block Comment", //$NON-NLS-1$ //$NON-NLS-0$
 	"linkedModeEntered": "Linked Mode entered", //$NON-NLS-1$ //$NON-NLS-0$
 	"linkedModeExited": "Linked Mode exited", //$NON-NLS-1$ //$NON-NLS-0$
 	"syntaxError": "Syntax Error", //$NON-NLS-1$ //$NON-NLS-0$
 	"contentAssist": "Content Assist", //$NON-NLS-1$ //$NON-NLS-0$
 	"lineColumn": "Line ${0} : Col ${1}", //$NON-NLS-1$ //$NON-NLS-0$

 	//vi
 	"vi": "vi", //$NON-NLS-1$ //$NON-NLS-0$
 	"vimove": "(Move)", //$NON-NLS-1$ //$NON-NLS-0$
 	"viyank": "(Yank)", //$NON-NLS-1$ //$NON-NLS-0$
 	"videlete": "(Delete)", //$NON-NLS-1$ //$NON-NLS-0$
 	"vichange": "(Change)", //$NON-NLS-1$ //$NON-NLS-0$
 	"viLeft": "${0} Left", //$NON-NLS-1$ //$NON-NLS-0$
 	"viRight": "${0} Right", //$NON-NLS-1$ //$NON-NLS-0$
 	"viUp": "${0} Up", //$NON-NLS-1$ //$NON-NLS-0$
 	"viDown": "${0} Down", //$NON-NLS-1$ //$NON-NLS-0$
 	"viw": "${0} Next Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"vib": "${0} Beginning of Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"viW": "${0} Next Word (ws stop)", //$NON-NLS-1$ //$NON-NLS-0$
 	"viB": "${0} Beginning of Word (ws stop)", //$NON-NLS-1$ //$NON-NLS-0$
 	"vie": "${0} End of Word", //$NON-NLS-1$ //$NON-NLS-0$
 	"viE": "${0} End of Word (ws stop)", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi$": "${0} End of the line", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi^_": "${0} First non-blank Char Current Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi+": "${0} First Char Next Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi-": "${0} First Char Previous Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi|": "${0} nth Column in Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"viH": "${0} Top of Page", //$NON-NLS-1$ //$NON-NLS-0$
 	"viM": "${0} Middle of Page", //$NON-NLS-1$ //$NON-NLS-0$
 	"viL": "${0} Bottom of Page", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi/": "${0} Search Forward", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi?": "${0} Search Backward", //$NON-NLS-1$ //$NON-NLS-0$
 	"vin": "${0} Next Search", //$NON-NLS-1$ //$NON-NLS-0$
 	"viN": "${0} Previous Search", //$NON-NLS-1$ //$NON-NLS-0$
 	"vif": "${0} Search Char Fwd", //$NON-NLS-1$ //$NON-NLS-0$
 	"viF": "${0} Search Char Bckwd", //$NON-NLS-1$ //$NON-NLS-0$
 	"vit": "${0} Search Before Char Fwd", //$NON-NLS-1$ //$NON-NLS-0$
 	"viT": "${0} Search Before Char Bckwd", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi,": "${0} Repeat Reverse Char Search", //$NON-NLS-1$ //$NON-NLS-0$
 	"vi;": "${0} Repeat Char Search", //$NON-NLS-1$ //$NON-NLS-0$
 	"viG": "${0} Go to Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"viycd": "${0} Current Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"via": "Append After Cursor", //$NON-NLS-1$ //$NON-NLS-0$
 	"viA": "Append to End of Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"vii": "Insert Before Cursor", //$NON-NLS-1$ //$NON-NLS-0$
 	"viI": "Insert at Beginning of Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"viO": "Insert Line Above", //$NON-NLS-1$ //$NON-NLS-0$
 	"vio": "Insert Line Below", //$NON-NLS-1$ //$NON-NLS-0$
 	"viR": "Begin Overwriting Text", //$NON-NLS-1$ //$NON-NLS-0$
 	"vis": "Substitute a Character", //$NON-NLS-1$ //$NON-NLS-0$
 	"viS": "Substitute Entire Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"viC": "Change Text Until Line End", //$NON-NLS-1$ //$NON-NLS-0$
 	"vip": "Paste After Char or Line", //$NON-NLS-1$ //$NON-NLS-0$
 	"viP": "Paste Before Char or Line", //$NON-NLS-1$ //$NON-NLS-0$

 	"replaceAll": "Replacing all...", //$NON-NLS-1$ //$NON-NLS-0$
 	"replacedMatches": "Replaced ${0} matches", //$NON-NLS-1$ //$NON-NLS-0$
 	"nothingReplaced": "Nothing replaced", //$NON-NLS-1$ //$NON-NLS-0$
 	"notFound": "Not found" //$NON-NLS-1$ //$NON-NLS-0$
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define('orion/editor/nls/messages',['orion/editor/i18n!orion/editor/nls/messages', 'orion/editor/nls/root/messages'], function(bundle, root) {
 	var result = {
 		root: root
 	};
 	for (var key in bundle) {
 		if (bundle.hasOwnProperty(key)) {
 			if (typeof result[key] === 'undefined') {
 				result[key] = bundle[key];
 			}
 		}
 	}
 	return result;
 });

 /*******************************************************************************
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 /*global define */
 define("orion/editor/eventTarget", [], function() { //$NON-NLS-0$
 	/**
 	 * Constructs a new EventTarget object.
 	 *
 	 * @class
 	 * @name orion.editor.EventTarget
 	 */
 	function EventTarget() {
 	}
 	/**
 	 * Adds in the event target interface into the specified object.
 	 *
 	 * @param {Object} object The object to add in the event target interface.
 	 */
 	EventTarget.addMixin = function(object) {
 		var proto = EventTarget.prototype;
 		for (var p in proto) {
 			if (proto.hasOwnProperty(p)) {
 				object[p] = proto[p];
 			}
 		}
 	};
 	EventTarget.prototype = /** @lends orion.editor.EventTarget.prototype */ {
 		/**
 		 * Adds an event listener to this event target.
 		 *
 		 * @param {String} type The event type.
 		 * @param {Function|EventListener} listener The function or the EventListener that will be executed when the event happens.
 		 * @param {Boolean} [useCapture=false] <code>true</code> if the listener should be trigged in the capture phase.
 		 *
 		 * @see orion.editor.EventTarget#removeEventListener
 		 */
 		addEventListener: function(type, listener, useCapture) {
 			if (!this._eventTypes) { this._eventTypes = {}; }
 			var state = this._eventTypes[type];
 			if (!state) {
 				state = this._eventTypes[type] = {level: 0, listeners: []};
 			}
 			var listeners = state.listeners;
 			listeners.push({listener: listener, useCapture: useCapture});
 		},
 		/**
 		 * Dispatches the given event to the listeners added to this event target.
 		 * @param {Event} evt The event to dispatch.
 		 */
 		dispatchEvent: function(evt) {
 			var type = evt.type;
 			this._dispatchEvent("pre" + type, evt); //$NON-NLS-0$
 			this._dispatchEvent(type, evt);
 			this._dispatchEvent("post" + type, evt); //$NON-NLS-0$
 		},
 		_dispatchEvent: function(type, evt) {
 			var state = this._eventTypes ? this._eventTypes[type] : null;
 			if (state) {
 				var listeners = state.listeners;
 				try {
 					state.level++;
 					if (listeners) {
 						for (var i=0, len=listeners.length; i < len; i++) {
 							if (listeners[i]) {
 								var l = listeners[i].listener;
 								if (typeof l === "function") { //$NON-NLS-0$
 									l.call(this, evt);
 								} else if (l.handleEvent && typeof l.handleEvent === "function") { //$NON-NLS-0$
 									l.handleEvent(evt);
 								}
 							}
 						}
 					}
 				} finally {
 					state.level--;
 					if (state.compact && state.level === 0) {
 						for (var j=listeners.length - 1; j >= 0; j--) {
 							if (!listeners[j]) {
 								listeners.splice(j, 1);
 							}
 						}
 						if (listeners.length === 0) {
 							delete this._eventTypes[type];
 						}
 						state.compact = false;
 					}
 				}
 			}
 		},
 		/**
 		 * Returns whether there is a listener for the specified event type.
 		 *
 		 * @param {String} type The event type
 		 *
 		 * @see orion.editor.EventTarget#addEventListener
 		 * @see orion.editor.EventTarget#removeEventListener
 		 */
 		isListening: function(type) {
 			if (!this._eventTypes) { return false; }
 			return this._eventTypes[type] !== undefined;
 		},
 		/**
 		 * Removes an event listener from the event target.
 		 * <p>
 		 * All the parameters must be the same ones used to add the listener.
 		 * </p>
 		 *
 		 * @param {String} type The event type
 		 * @param {Function|EventListener} listener The function or the EventListener that will be executed when the event happens.
 		 * @param {Boolean} [useCapture=false] <code>true</code> if the listener should be trigged in the capture phase.
 		 *
 		 * @see orion.editor.EventTarget#addEventListener
 		 */
 		removeEventListener: function(type, listener, useCapture){
 			if (!this._eventTypes) { return; }
 			var state = this._eventTypes[type];
 			if (state) {
 				var listeners = state.listeners;
 				for (var i=0, len=listeners.length; i < len; i++) {
 					var l = listeners[i];
 					if (l && l.listener === listener && l.useCapture === useCapture) {
 						if (state.level !== 0) {
 							listeners[i] = null;
 							state.compact = true;
 						} else {
 							listeners.splice(i, 1);
 						}
 						break;
 					}
 				}
 				if (listeners.length === 0) {
 					delete this._eventTypes[type];
 				}
 			}
 		}
 	};
 	return {EventTarget: EventTarget};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  *******************************************************************************/

 /*global define navigator*/
 define('orion/util',[],function() {

 	var userAgent = navigator.userAgent;
 	var isIE = parseFloat(userAgent.split("MSIE")[1]) || undefined; //$NON-NLS-0$
 	var isFirefox = parseFloat(userAgent.split("Firefox/")[1] || userAgent.split("Minefield/")[1]) || undefined; //$NON-NLS-1$ //$NON-NLS-0$
 	var isOpera = userAgent.indexOf("Opera") !== -1; //$NON-NLS-0$
 	var isChrome = parseFloat(userAgent.split("Chrome/")[1]) || undefined; //$NON-NLS-0$
 	var isSafari = userAgent.indexOf("Safari") !== -1 && !isChrome; //$NON-NLS-0$
 	var isWebkit = parseFloat(userAgent.split("WebKit/")[1]) || undefined; //$NON-NLS-0$
 	var isAndroid = userAgent.indexOf("Android") !== -1; //$NON-NLS-0$
 	var isIPad = userAgent.indexOf("iPad") !== -1; //$NON-NLS-0$
 	var isIPhone = userAgent.indexOf("iPhone") !== -1; //$NON-NLS-0$
 	var isIOS = isIPad || isIPhone;
 	var isMac = navigator.platform.indexOf("Mac") !== -1; //$NON-NLS-0$
 	var isWindows = navigator.platform.indexOf("Win") !== -1; //$NON-NLS-0$
 	var isLinux = navigator.platform.indexOf("Linux") !== -1; //$NON-NLS-0$
 	var platformDelimiter = isWindows ? "\r\n" : "\n"; //$NON-NLS-1$ //$NON-NLS-0$

 	function formatMessage(msg) {
 		var args = arguments;
 		return msg.replace(/\$\{([^\}]+)\}/g, function(str, index) { return args[(index << 0) + 1]; });
 	}

 	var XHTML = "http://www.w3.org/1999/xhtml"; //$NON-NLS-0$
 	function createElement(document, tagName) {
 		if (document.createElementNS) {
 			return document.createElementNS(XHTML, tagName);
 		}
 		return document.createElement(tagName);
 	}

 	return {
 		formatMessage: formatMessage,

 		createElement: createElement,

 		/** Browsers */
 		isIE: isIE,
 		isFirefox: isFirefox,
 		isOpera: isOpera,
 		isChrome: isChrome,
 		isSafari: isSafari,
 		isWebkit: isWebkit,
 		isAndroid: isAndroid,
 		isIPad: isIPad,
 		isIPhone: isIPhone,
 		isIOS: isIOS,

 		/** OSs */
 		isMac: isMac,
 		isWindows: isWindows,
 		isLinux: isLinux,

 		platformDelimiter: platformDelimiter
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define("orion/editor/textModel", ['orion/editor/eventTarget', 'orion/util'], function(mEventTarget, util) { //$NON-NLS-2$  //$NON-NLS-1$ //$NON-NLS-0$

 	/**
 	 * Constructs a new TextModel with the given text and default line delimiter.
 	 *
 	 * @param {String} [text=""] the text that the model will store
 	 * @param {String} [lineDelimiter=platform delimiter] the line delimiter used when inserting new lines to the model.
 	 *
 	 * @name orion.editor.TextModel
 	 * @class The TextModel is an interface that provides text for the view. Applications may
 	 * implement the TextModel interface to provide a custom store for the view content. The
 	 * view interacts with its text model in order to access and update the text that is being
 	 * displayed and edited in the view. This is the default implementation.
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.TextView}<br/>
 	 * {@link orion.editor.TextView#setModel}
 	 * </p>
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	function TextModel(text, lineDelimiter) {
 		this._lastLineIndex = -1;
 		this._text = [""];
 		this._lineOffsets = [0];
 		this.setText(text);
 		this.setLineDelimiter(lineDelimiter);
 	}

 	TextModel.prototype = /** @lends orion.editor.TextModel.prototype */ {
 		/**
 		 * @class This object describes the options to use while finding occurrences of a string in a text model.
 		 * @name orion.editor.FindOptions
 		 *
 		 * @property {String} string the search string to be found.
 		 * @property {Boolean} [regex=false] whether or not the search string is a regular expression.
 		 * @property {Boolean} [wrap=false] whether or not to wrap search.
 		 * @property {Boolean} [wholeWord=false] whether or not to search only whole words.
 		 * @property {Boolean} [caseInsensitive=false] whether or not search is case insensitive.
 		 * @property {Boolean} [reverse=false] whether or not to search backwards.
 		 * @property {Number} [start=0] The start offset to start searching
 		 * @property {Number} [end=charCount] The end offset of the search. Used to search in a given range.
 		 */
 		/**
 		 * @class This object represents a find occurrences iterator.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextModel#find}<br/>
 		 * </p>
 		 * @name orion.editor.FindIterator
 		 *
 		 * @property {Function} hasNext Determines whether there are more occurrences in the iterator.
 		 * @property {Function} next Returns the next matched range {start,end} in the iterator.
 		 */
 		/**
 		 * Finds occurrences of a string in the text model.
 		 *
 		 * @param {orion.editor.FindOptions} options the search options
 		 * @return {orion.editor.FindIterator} the find occurrences iterator.
 		 */
 		find: function(options) {
 			if (this._text.length > 1) {
 				this._text = [this._text.join("")];
 			}
 			var string = options.string;
 			var regex = options.regex;
 			var pattern = string;
 			var caseInsensitive = options.caseInsensitive;
 			if (!regex && string) {
 				pattern = string.replace(/([\\$\^*\/+?\.\(\)|{}\[\]])/g, "\\$&"); //$NON-NLS-0$
 				/*
 				* Bug in JS RegEx. In a Turkish locale, dotless i (u0131) capitalizes to I (u0049) and i (u0069)
 				* capitalizes to dot I (u0130). The JS RegEx does not match correctly the Turkish i's in case
 				* insensitive mode. The fix is to detect the presence of Turkish i's in the search pattern and
 				* to modify the pattern to search for both upper and lower case.
 				*/
 				if (caseInsensitive) {  //$NON-NLS-1$ //$NON-NLS-0$
 					pattern = pattern.replace(/[iI\u0130\u0131]/g, "[Ii\u0130\u0131]"); //$NON-NLS-0$
 				}
 			}
 			var current = null, skip;
 			if (pattern) {
 				var reverse = options.reverse;
 				var wrap = options.wrap;
 				var wholeWord = options.wholeWord;
 				var start = options.start || 0;
 				var end = options.end;
 				var isRange = (end !== null && end !== undefined);
 				var flags = "";
 				if (flags.indexOf("g") === -1) { flags += "g"; } //$NON-NLS-1$ //$NON-NLS-0$
 				if (caseInsensitive) {
 					if (flags.indexOf("i") === -1) { flags += "i"; } //$NON-NLS-1$ //$NON-NLS-0$
 				}
 				if (wholeWord) {
 					pattern = "\\b" + pattern + "\\b"; //$NON-NLS-1$ //$NON-NLS-0$
 				}
 				var text = this._text[0], result, lastIndex, offset = 0;
 				if (isRange) {
 					var s = start < end ? start : end;
 					var e = start < end ? end : start;
 					text = text.substring(s, e);
 					offset = s;
 				}
 				var re = new RegExp(pattern, flags);
 				if (reverse) {
 					skip = function() {
 						var match = null;
 						re.lastIndex = 0;
 						while (true) {
 							lastIndex = re.lastIndex;
 							result = re.exec(text);
 							if (lastIndex === re.lastIndex) {
 								return null;
 							}
 							if (result) {
 								if (result.index + offset < start) {
 									match = {start: result.index + offset, end: re.lastIndex + offset};
 								} else {
 									if (!wrap || match) {
 										break;
 									}
 									start = text.length + offset;
 									match = {start: result.index + offset, end: re.lastIndex + offset};
 								}
 							} else {
 								break;
 							}
 						}
 						if (match) { start = match.start; }
 						return match;
 					};
 				} else {
 					if (!isRange) {
 						re.lastIndex = start;
 					}
 					skip = function() {
 						while (true) {
 							lastIndex = re.lastIndex;
 							result = re.exec(text);
 							if (lastIndex === re.lastIndex) {
 								return null;
 							}
 							if (result) {
 								return {start: result.index + offset, end: re.lastIndex + offset};
 							}
 							if (lastIndex !== 0) {
 								if (wrap) {
 									continue;
 								}
 							}
 							break;
 						}
 						return null;
 					};
 				}
 				current = skip();
 			}
 			return {
 				next: function() {
 					var result = current;
 					if (result) { current = skip(); }
 					return result;
 				},
 				hasNext: function() {
 					return current !== null;
 				}
 			};
 		},
 		/**
 		 * Returns the number of characters in the model.
 		 *
 		 * @returns {Number} the number of characters in the model.
 		 */
 		getCharCount: function() {
 			var count = 0;
 			for (var i = 0; i<this._text.length; i++) {
 				count += this._text[i].length;
 			}
 			return count;
 		},
 		/**
 		 * Returns the text of the line at the given index.
 		 * <p>
 		 * The valid indices are 0 to line count exclusive.  Returns <code>null</code>
 		 * if the index is out of range.
 		 * </p>
 		 *
 		 * @param {Number} lineIndex the zero based index of the line.
 		 * @param {Boolean} [includeDelimiter=false] whether or not to include the line delimiter.
 		 * @returns {String} the line text or <code>null</code> if out of range.
 		 *
 		 * @see orion.editor.TextModel#getLineAtOffset
 		 */
 		getLine: function(lineIndex, includeDelimiter) {
 			var lineCount = this.getLineCount();
 			if (!(0 <= lineIndex && lineIndex < lineCount)) {
 				return null;
 			}
 			var start = this._lineOffsets[lineIndex];
 			if (lineIndex + 1 < lineCount) {
 				var text = this.getText(start, this._lineOffsets[lineIndex + 1]);
 				if (includeDelimiter) {
 					return text;
 				}
 				var end = text.length, c;
 				while (((c = text.charCodeAt(end - 1)) === 10) || (c === 13)) {
 					end--;
 				}
 				return text.substring(0, end);
 			} else {
 				return this.getText(start);
 			}
 		},
 		/**
 		 * Returns the line index at the given character offset.
 		 * <p>
 		 * The valid offsets are 0 to char count inclusive. The line index for
 		 * char count is <code>line count - 1</code>. Returns <code>-1</code> if
 		 * the offset is out of range.
 		 * </p>
 		 *
 		 * @param {Number} offset a character offset.
 		 * @returns {Number} the zero based line index or <code>-1</code> if out of range.
 		 */
 		getLineAtOffset: function(offset) {
 			var charCount = this.getCharCount();
 			if (!(0 <= offset && offset <= charCount)) {
 				return -1;
 			}
 			var lineCount = this.getLineCount();
 			if (offset === charCount) {
 				return lineCount - 1;
 			}
 			var lineStart, lineEnd;
 			var index = this._lastLineIndex;
 			if (0 <= index && index < lineCount) {
 				lineStart = this._lineOffsets[index];
 				lineEnd = index + 1 < lineCount ? this._lineOffsets[index + 1] : charCount;
 				if (lineStart <= offset && offset < lineEnd) {
 					return index;
 				}
 			}
 			var high = lineCount;
 			var low = -1;
 			while (high - low > 1) {
 				index = Math.floor((high + low) / 2);
 				lineStart = this._lineOffsets[index];
 				lineEnd = index + 1 < lineCount ? this._lineOffsets[index + 1] : charCount;
 				if (offset <= lineStart) {
 					high = index;
 				} else if (offset < lineEnd) {
 					high = index;
 					break;
 				} else {
 					low = index;
 				}
 			}
 			this._lastLineIndex = high;
 			return high;
 		},
 		/**
 		 * Returns the number of lines in the model.
 		 * <p>
 		 * The model always has at least one line.
 		 * </p>
 		 *
 		 * @returns {Number} the number of lines.
 		 */
 		getLineCount: function() {
 			return this._lineOffsets.length;
 		},
 		/**
 		 * Returns the line delimiter that is used by the view
 		 * when inserting new lines. New lines entered using key strokes
 		 * and paste operations use this line delimiter.
 		 *
 		 * @return {String} the line delimiter that is used by the view when inserting new lines.
 		 */
 		getLineDelimiter: function() {
 			return this._lineDelimiter;
 		},
 		/**
 		 * Returns the end character offset for the given line.
 		 * <p>
 		 * The end offset is not inclusive. This means that when the line delimiter is included, the
 		 * offset is either the start offset of the next line or char count. When the line delimiter is
 		 * not included, the offset is the offset of the line delimiter.
 		 * </p>
 		 * <p>
 		 * The valid indices are 0 to line count exclusive.  Returns <code>-1</code>
 		 * if the index is out of range.
 		 * </p>
 		 *
 		 * @param {Number} lineIndex the zero based index of the line.
 		 * @param {Boolean} [includeDelimiter=false] whether or not to include the line delimiter.
 		 * @return {Number} the line end offset or <code>-1</code> if out of range.
 		 *
 		 * @see orion.editor.TextModel#getLineStart
 		 */
 		getLineEnd: function(lineIndex, includeDelimiter) {
 			var lineCount = this.getLineCount();
 			if (!(0 <= lineIndex && lineIndex < lineCount)) {
 				return -1;
 			}
 			if (lineIndex + 1 < lineCount) {
 				var end = this._lineOffsets[lineIndex + 1];
 				if (includeDelimiter) {
 					return end;
 				}
 				var text = this.getText(Math.max(this._lineOffsets[lineIndex], end - 2), end);
 				var i = text.length, c;
 				while (((c = text.charCodeAt(i - 1)) === 10) || (c === 13)) {
 					i--;
 				}
 				return end - (text.length - i);
 			} else {
 				return this.getCharCount();
 			}
 		},
 		/**
 		 * Returns the start character offset for the given line.
 		 * <p>
 		 * The valid indices are 0 to line count exclusive.  Returns <code>-1</code>
 		 * if the index is out of range.
 		 * </p>
 		 *
 		 * @param {Number} lineIndex the zero based index of the line.
 		 * @return {Number} the line start offset or <code>-1</code> if out of range.
 		 *
 		 * @see orion.editor.TextModel#getLineEnd
 		 */
 		getLineStart: function(lineIndex) {
 			if (!(0 <= lineIndex && lineIndex < this.getLineCount())) {
 				return -1;
 			}
 			return this._lineOffsets[lineIndex];
 		},
 		/**
 		 * Returns the text for the given range.
 		 * <p>
 		 * The end offset is not inclusive. This means that character at the end offset
 		 * is not included in the returned text.
 		 * </p>
 		 *
 		 * @param {Number} [start=0] the zero based start offset of text range.
 		 * @param {Number} [end=char count] the zero based end offset of text range.
 		 *
 		 * @see orion.editor.TextModel#setText
 		 */
 		getText: function(start, end) {
 			if (start === undefined) { start = 0; }
 			if (end === undefined) { end = this.getCharCount(); }
 			if (start === end) { return ""; }
 			var offset = 0, chunk = 0, length;
 			while (chunk<this._text.length) {
 				length = this._text[chunk].length;
 				if (start <= offset + length) { break; }
 				offset += length;
 				chunk++;
 			}
 			var firstOffset = offset;
 			var firstChunk = chunk;
 			while (chunk<this._text.length) {
 				length = this._text[chunk].length;
 				if (end <= offset + length) { break; }
 				offset += length;
 				chunk++;
 			}
 			var lastOffset = offset;
 			var lastChunk = chunk;
 			if (firstChunk === lastChunk) {
 				return this._text[firstChunk].substring(start - firstOffset, end - lastOffset);
 			}
 			var beforeText = this._text[firstChunk].substring(start - firstOffset);
 			var afterText = this._text[lastChunk].substring(0, end - lastOffset);
 			return beforeText + this._text.slice(firstChunk+1, lastChunk).join("") + afterText;
 		},
 		/**
 		 * Notifies all listeners that the text is about to change.
 		 * <p>
 		 * This notification is intended to be used only by the view. Application clients should
 		 * use {@link orion.editor.TextView#event:onModelChanging}.
 		 * </p>
 		 * <p>
 		 * NOTE: This method is not meant to called directly by application code. It is called internally by the TextModel
 		 * as part of the implementation of {@link #setText}. This method is included in the public API for documentation
 		 * purposes and to allow integration with other toolkit frameworks.
 		 * </p>
 		 *
 		 * @param {orion.editor.ModelChangingEvent} modelChangingEvent the changing event
 		 */
 		onChanging: function(modelChangingEvent) {
 			return this.dispatchEvent(modelChangingEvent);
 		},
 		/**
 		 * Notifies all listeners that the text has changed.
 		 * <p>
 		 * This notification is intended to be used only by the view. Application clients should
 		 * use {@link orion.editor.TextView#event:onModelChanged}.
 		 * </p>
 		 * <p>
 		 * NOTE: This method is not meant to called directly by application code. It is called internally by the TextModel
 		 * as part of the implementation of {@link #setText}. This method is included in the public API for documentation
 		 * purposes and to allow integration with other toolkit frameworks.
 		 * </p>
 		 *
 		 * @param {orion.editor.ModelChangedEvent} modelChangedEvent the changed event
 		 */
 		onChanged: function(modelChangedEvent) {
 			return this.dispatchEvent(modelChangedEvent);
 		},
 		/**
 		 * Sets the line delimiter that is used by the view
 		 * when new lines are inserted in the model due to key
 		 * strokes and paste operations. The line delimiter of
 		 * existing lines are unchanged unless the to <code>all</code>
 		 * argument is <code>true</code>.
 		 * <p>
 		 * If lineDelimiter is "auto", the delimiter is computed to be
 		 * the first delimiter found in the current text. If lineDelimiter
 		 * is undefined or if there are no delimiters in the current text, the
 		 * platform delimiter is used.
 		 * </p>
 		 *
 		 * @param {String} lineDelimiter the line delimiter that is used by the view when inserting new lines.
 		 * @param {Boolean} [all=false] whether or not the delimiter of existing lines are changed.
 		 */
 		setLineDelimiter: function(lineDelimiter, all) {
 			if (lineDelimiter === "auto") { //$NON-NLS-0$
 				lineDelimiter = undefined;
 				if (this.getLineCount() > 1) {
 					lineDelimiter = this.getText(this.getLineEnd(0), this.getLineEnd(0, true));
 				}
 			}
 			this._lineDelimiter = lineDelimiter ? lineDelimiter : util.platformDelimiter;
 			if (all) {
 				var lineCount = this.getLineCount();
 				if (lineCount > 1) {
 					var lines = new Array(lineCount);
 					for (var i=0; i<lineCount; i++) {
 						lines[i] = this.getLine(i);
 					}
 					this.setText(lines.join(this._lineDelimiter));
 				}
 			}
 		},
 		/**
 		 * Replaces the text in the given range with the given text.
 		 * <p>
 		 * The end offset is not inclusive. This means that the character at the
 		 * end offset is not replaced.
 		 * </p>
 		 * <p>
 		 * The text model must notify the listeners before and after the
 		 * the text is changed by calling {@link #onChanging} and {@link #onChanged}
 		 * respectively.
 		 * </p>
 		 *
 		 * @param {String} [text=""] the new text.
 		 * @param {Number} [start=0] the zero based start offset of text range.
 		 * @param {Number} [end=char count] the zero based end offset of text range.
 		 *
 		 * @see orion.editor.TextModel#getText
 		 */
 		setText: function(text, start, end) {
 			if (text === undefined) { text = ""; }
 			if (start === undefined) { start = 0; }
 			if (end === undefined) { end = this.getCharCount(); }
 			if (start === end && text === "") { return; }
 			var startLine = this.getLineAtOffset(start);
 			var endLine = this.getLineAtOffset(end);
 			var eventStart = start;
 			var removedCharCount = end - start;
 			var removedLineCount = endLine - startLine;
 			var addedCharCount = text.length;
 			var addedLineCount = 0;
 			var lineCount = this.getLineCount();

 			var cr = 0, lf = 0, index = 0;
 			var newLineOffsets = [];
 			while (true) {
 				if (cr !== -1 && cr <= index) { cr = text.indexOf("\r", index); } //$NON-NLS-0$
 				if (lf !== -1 && lf <= index) { lf = text.indexOf("\n", index); } //$NON-NLS-0$
 				if (lf === -1 && cr === -1) { break; }
 				if (cr !== -1 && lf !== -1) {
 					if (cr + 1 === lf) {
 						index = lf + 1;
 					} else {
 						index = (cr < lf ? cr : lf) + 1;
 					}
 				} else if (cr !== -1) {
 					index = cr + 1;
 				} else {
 					index = lf + 1;
 				}
 				newLineOffsets.push(start + index);
 				addedLineCount++;
 			}

 			var modelChangingEvent = {
 				type: "Changing", //$NON-NLS-0$
 				text: text,
 				start: eventStart,
 				removedCharCount: removedCharCount,
 				addedCharCount: addedCharCount,
 				removedLineCount: removedLineCount,
 				addedLineCount: addedLineCount
 			};
 			this.onChanging(modelChangingEvent);

 			//TODO this should be done the loops below to avoid getText()
 			if (newLineOffsets.length === 0) {
 				var startLineOffset = this.getLineStart(startLine), endLineOffset;
 				if (endLine + 1 < lineCount) {
 					endLineOffset = this.getLineStart(endLine + 1);
 				} else {
 					endLineOffset = this.getCharCount();
 				}
 				if (start !== startLineOffset) {
 					text = this.getText(startLineOffset, start) + text;
 					start = startLineOffset;
 				}
 				if (end !== endLineOffset) {
 					text = text + this.getText(end, endLineOffset);
 					end = endLineOffset;
 				}
 			}

 			var changeCount = addedCharCount - removedCharCount;
 			for (var j = startLine + removedLineCount + 1; j < lineCount; j++) {
 				this._lineOffsets[j] += changeCount;
 			}

 			/*
 			* Feature in Chrome.  Chrome exceeds the maximum call stack when calling splice
 			* around 62k arguments. The limit seems to be higher on IE (250K) and Firefox (450k).
 			* The fix is to break the splice in junks of 50k.
 			*/
 			var SPLICE_LIMIT = 50000;
 			var limit = SPLICE_LIMIT, args;
 			if (newLineOffsets.length < limit) {
 				args = [startLine + 1, removedLineCount].concat(newLineOffsets);
 				Array.prototype.splice.apply(this._lineOffsets, args);
 			} else {
 				index = startLine + 1;
 				this._lineOffsets.splice(index, removedLineCount);
 				for (var k = 0; k < newLineOffsets.length; k += limit) {
 					args = [index, 0].concat(newLineOffsets.slice(k, Math.min(newLineOffsets.length, k + limit)));
 					Array.prototype.splice.apply(this._lineOffsets, args);
 					index += limit;
 				}
 			}

 			var offset = 0, chunk = 0, length;
 			while (chunk<this._text.length) {
 				length = this._text[chunk].length;
 				if (start <= offset + length) { break; }
 				offset += length;
 				chunk++;
 			}
 			var firstOffset = offset;
 			var firstChunk = chunk;
 			while (chunk<this._text.length) {
 				length = this._text[chunk].length;
 				if (end <= offset + length) { break; }
 				offset += length;
 				chunk++;
 			}
 			var lastOffset = offset;
 			var lastChunk = chunk;
 			var firstText = this._text[firstChunk];
 			var lastText = this._text[lastChunk];
 			var beforeText = firstText.substring(0, start - firstOffset);
 			var afterText = lastText.substring(end - lastOffset);
 			var params = [firstChunk, lastChunk - firstChunk + 1];
 			if (beforeText) { params.push(beforeText); }
 			if (text) { params.push(text); }
 			if (afterText) { params.push(afterText); }
 			Array.prototype.splice.apply(this._text, params);
 			if (this._text.length === 0) { this._text = [""]; }

 			var modelChangedEvent = {
 				type: "Changed", //$NON-NLS-0$
 				start: eventStart,
 				removedCharCount: removedCharCount,
 				addedCharCount: addedCharCount,
 				removedLineCount: removedLineCount,
 				addedLineCount: addedLineCount
 			};
 			this.onChanged(modelChangedEvent);
 		}
 	};
 	mEventTarget.EventTarget.addMixin(TextModel.prototype);

 	return {TextModel: TextModel};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 /*global define */

 define("orion/keyBinding", ['orion/util'], function(util) { //$NON-NLS-1$ //$NON-NLS-0$

     /**
 	 * @class A KeyBinding is an interface used to define keyboard shortcuts.
 	 * @name orion.KeyBinding
 	 *
 	 * @property {Function} match The function to match events.
 	 * @property {Function} equals The funtion to compare to key bindings.
 	 *
 	 * @see orion.KeyStroke
 	 * @see orion.KeySequence
 	 */

 	/**
 	 * Constructs a new key stroke with the given key code, modifiers and event type.
 	 *
 	 * @param {String|Number} keyCode the key code.
 	 * @param {Boolean} mod1 the primary modifier (usually Command on Mac and Control on other platforms).
 	 * @param {Boolean} mod2 the secondary modifier (usually Shift).
 	 * @param {Boolean} mod3 the third modifier (usually Alt).
 	 * @param {Boolean} mod4 the fourth modifier (usually Control on the Mac).
 	 * @param {String} type the type of event that the keybinding matches; either "keydown" or "keypress".
 	 *
 	 * @class A KeyStroke represents of a key code and modifier state that can be triggered by the user using the keyboard.
 	 * @name orion.KeyStroke
 	 *
 	 * @property {String|Number} keyCode The key code.
 	 * @property {Boolean} mod1 The primary modifier (usually Command on Mac and Control on other platforms).
 	 * @property {Boolean} mod2 The secondary modifier (usually Shift).
 	 * @property {Boolean} mod3 The third modifier (usually Alt).
 	 * @property {Boolean} mod4 The fourth modifier (usually Control on the Mac).
 	 * @property {String} [type=keydown] The type of event that the keybinding matches; either "keydown" or "keypress"
 	 *
 	 * @see orion.editor.TextView#setKeyBinding
 	 */
 	function KeyStroke (keyCode, mod1, mod2, mod3, mod4, type) {
 		this.type = type || "keydown"; //$NON-NLS-0$
 		if (typeof(keyCode) === "string" && this.type === "keydown") { //$NON-NLS-1$ //$NON-NLS-0$
 			this.keyCode = keyCode.toUpperCase().charCodeAt(0);
 		} else {
 			this.keyCode = keyCode;
 		}
 		this.mod1 = mod1 !== undefined && mod1 !== null ? mod1 : false;
 		this.mod2 = mod2 !== undefined && mod2 !== null ? mod2 : false;
 		this.mod3 = mod3 !== undefined && mod3 !== null ? mod3 : false;
 		this.mod4 = mod4 !== undefined && mod4 !== null ? mod4 : false;
 	}
 	KeyStroke.prototype = /** @lends orion.KeyStroke.prototype */ {
 		getKeys: function() {
 			return [this];
 		},
 		/**
 		 * Determines either this key stroke matches the specifed event.  It can match either a
 		 * a whole sequence of key events or a single key event at a specified index.
 		 * <p>
 		 * <code>KeyStroke</code> only matches single key events. <code>KeySequence</code> handles
 		 * matching a sequence of events.
 		 * </p>
 		 * TODO explain this better
 		 *
 		 * @param {DOMEvent|DOMEvent[]} e the key event or list of events to match.
 		 * @param index the key event to match.
 		 * @returns {Boolean} <code>true</code> whether the key binding matches the key event.
 		 *
 		 * @see orion.KeySequence#match
 		 */
 		match: function (e, index) {
 			if (index !== undefined) {
 				if (index !== 0) {
 					return false;
 				}
 			} else {
 				if (e instanceof Array) {
 					if (e.length > 1) {
 						return false;
 					}
 					e = e[0];
 				}
 			}
 			if (e.type !== this.type) {
 				return false;
 			}
 			if (this.keyCode === e.keyCode || this.keyCode === String.fromCharCode(util.isOpera ? e.which : (e.charCode !== undefined ? e.charCode : e.keyCode))) {
 				var mod1 = util.isMac ? e.metaKey : e.ctrlKey;
 				if (this.mod1 !== mod1) { return false; }
 				if (this.type === "keydown") { //$NON-NLS-0$
 					if (this.mod2 !== e.shiftKey) { return false; }
 				}
 				if (this.mod3 !== e.altKey) { return false; }
 				if (util.isMac && this.mod4 !== e.ctrlKey) { return false; }
 				return true;
 			}
 			return false;
 		},
 		/**
 		 * Returns whether this key stroke is the same as the given parameter.
 		 *
 		 * @param {orion.KeyBinding} kb the key binding to compare with.
 		 * @returns {Boolean} whether or not the parameter and the receiver describe the same key binding.
 		 */
 		equals: function(kb) {
 			if (!kb) { return false; }
 			if (this.keyCode !== kb.keyCode) { return false; }
 			if (this.mod1 !== kb.mod1) { return false; }
 			if (this.mod2 !== kb.mod2) { return false; }
 			if (this.mod3 !== kb.mod3) { return false; }
 			if (this.mod4 !== kb.mod4) { return false; }
 			if (this.type !== kb.type) { return false; }
 			return true;
 		}
 	};

 	/**
 	 * Constructs a new key sequence with the given key strokes.
 	 *
 	 * @param {orion.KeyStroke[]} keys the key strokes for this sequence.
 	 *
 	 * @class A KeySequence represents of a list of key codes and a modifiers state that can be triggered by the user using the keyboard.
 	 * @name orion.KeySequence
 	 *
 	 * @property {orion.KeyStroke[]} keys the list of key strokes.
 	 *
 	 * @see orion.editor.TextView#setKeyBinding
 	 */
 	function KeySequence (keys) {
 		this.keys = keys;
 	}
 	KeySequence.prototype = /** @lends orion.KeySequence.prototype */ {
 		getKeys: function() {
 			return this.keys.slice(0);
 		},
 		match: function (e, index) {
 			var keys = this.keys;
 			if (index !== undefined) {
 				if (index > keys.length) {
 					return false;
 				}
 				if (keys[index].match(e)) {
 					if (index === keys.length - 1) {
 						return true;
 					}
 					return index + 1;
 				}
 				return false;
 			} else {
 				if (!(e instanceof Array)) {
 					e = [e];
 				}
 				if (e.length > keys.length) {
 					return false;
 				}
 				var i;
 				for (i = 0; i < e.length; i++) {
 					if (!keys[i].match(e[i])) {
 						return false;
 					}
 				}
 				if (i === keys.length) {
 					return true;
 				}
 				return i;
 			}
 		},
 		/**
 		 * Returns whether this key sequence is the same as the given parameter.
 		 *
 		 * @param {orion.KeyBinding|orion.KeySequence} kb the key binding to compare with.
 		 * @returns {Boolean} whether or not the parameter and the receiver describe the same key binding.
 		 */
 		equals: function(kb) {
 			if (!kb.keys) { return false; }
 			if (kb.keys.length !== this.keys.length) { return false; }
 			for (var i=0; i<kb.keys.length; i++) {
 				if (!kb.keys[i].equals(this.keys[i])) { return false; }
 			}
 			return true;
 		}
 	};

 	return {
 		KeyBinding: KeyStroke, // for backwards compatibility
 		KeyStroke: KeyStroke,
 		KeySequence: KeySequence
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 /*global define window */

 define("orion/editor/keyModes", [ //$NON-NLS-0$
 		"orion/keyBinding", //$NON-NLS-0$
 		"orion/util" //$NON-NLS-0$
 ], function(mKeyBinding, util) {

 	function KeyMode(view) {
 		if (!view) {
 			return;
 		}
 		this._view = view;
 		this._keyBindings = this.createKeyBindings();
 		this._keyBindingIndex = 0;
 	}
 	KeyMode.prototype = /** @lends orion.editor.KeyMode.prototype */ {
 		createKeyBindings: function () {
 			return [];
 		},
 		/**
 		 * Returns all the key bindings associated to the given action ID.
 		 *
 		 * @param {String} actionID the action ID.
 		 * @returns {orion.editor.KeyBinding[]} the array of key bindings associated to the given action ID.
 		 *
 		 * @see orion.editor.KeyModesetKeyBinding
 		 * @see orion.editor.KeyModesetAction
 		 */
 		getKeyBindings: function (actionID) {
 			var result = [];
 			var keyBindings = this._keyBindings;
 			for (var i = 0; i < keyBindings.length; i++) {
 				if (keyBindings[i].actionID === actionID) {
 					result.push(keyBindings[i].keyBinding);
 				}
 			}
 			return result;
 		},
 		getView: function() {
 			return this._view;
 		},
 		isActive: function () {
 			return this._view.getKeyModes().indexOf(this) !== -1;
 		},
 		match: function(e) {
 			if (e.type === "keydown") { //$NON-NLS-0$
 				switch (e.keyCode) {
 					case 16: /* Shift */
 					case 17: /* Control */
 					case 18: /* Alt */
 					case 91: /* Command */
 						return undefined;
 				}
 			}
 			var keyBindingIndex = this._keyBindingIndex;
 			var keyBindings = this._matchingKeyBindings || this._keyBindings;
 			var matchingKeyBindings = [];
 			for (var i = 0; i < keyBindings.length; i++) {
 				var kb = keyBindings[i];
 				var keyBinding = kb.keyBinding;
 				var match = keyBinding.match(e, keyBindingIndex);
 				if (match === true) {
 					this._keyBindingIndex = 0;
 					this._matchingKeyBindings = null;
 					return kb.actionID;
 				} else if (typeof match === "number") { //$NON-NLS-0$
 					matchingKeyBindings.push(kb);
 				}
 			}
 			if (matchingKeyBindings.length === 0) {
 				this._keyBindingIndex = 0;
 				this._matchingKeyBindings = null;
 			} else {
 				this._keyBindingIndex++;
 				this._matchingKeyBindings = matchingKeyBindings;
 				return "noop"; //$NON-NLS-0$
 			}
 			return undefined;
 		},
 		/**
 		 * Associates a key binding with the given action ID. Any previous
 		 * association with the specified key binding is overwriten. If the
 		 * action ID is <code>null</code>, the association is removed.
 		 *
 		 * @param {orion.editor.KeyBinding} keyBinding the key binding
 		 * @param {String} actionID the action ID
 		 */
 		setKeyBinding: function(keyBinding, actionID) {
 			var keyBindings = this._keyBindings;
 			for (var i = 0; i < keyBindings.length; i++) {
 				var kb = keyBindings[i];
 				if (kb.keyBinding.equals(keyBinding)) {
 					if (actionID) {
 						kb.actionID = actionID;
 					} else {
 						if (kb.predefined) {
 							kb.actionID = "noop"; //$NON-NLS-0$
 						} else {
 							keyBindings.splice(i, 1);
 						}
 					}
 					return;
 				}
 			}
 			if (actionID) {
 				keyBindings.push({keyBinding: keyBinding, actionID: actionID});
 			}
 		},
 		setView: function(view) {
 			this._view = view;
 		}
 	};

 	function DefaultKeyMode(view) {
 		KeyMode.call(this, view);
 	}
 	DefaultKeyMode.prototype = new KeyMode();
 	DefaultKeyMode.prototype.createKeyBindings = function () {
 		var KeyBinding = mKeyBinding.KeyBinding;
 		//no duplicate keybindings
 		var bindings = [];

 		// Cursor Navigation
 		bindings.push({actionID: "lineUp",		keyBinding: new KeyBinding(38), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "lineDown",	keyBinding: new KeyBinding(40), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "charPrevious",	keyBinding: new KeyBinding(37), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "charNext",	keyBinding: new KeyBinding(39), predefined: true}); //$NON-NLS-0$
 		if (util.isMac) {
 			bindings.push({actionID: "scrollPageUp",		keyBinding: new KeyBinding(33), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "scrollPageDown",	keyBinding: new KeyBinding(34), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "pageUp",		keyBinding: new KeyBinding(33, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "pageDown",	keyBinding: new KeyBinding(34, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineStart",	keyBinding: new KeyBinding(37, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineEnd",		keyBinding: new KeyBinding(39, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "wordPrevious",	keyBinding: new KeyBinding(37, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "wordNext",	keyBinding: new KeyBinding(39, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "scrollTextStart",	keyBinding: new KeyBinding(36), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "scrollTextEnd",		keyBinding: new KeyBinding(35), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "textStart",	keyBinding: new KeyBinding(38, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "textEnd",		keyBinding: new KeyBinding(40, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "scrollPageUp",	keyBinding: new KeyBinding(38, null, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "scrollPageDown",		keyBinding: new KeyBinding(40, null, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineStart",	keyBinding: new KeyBinding(37, null, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineEnd",		keyBinding: new KeyBinding(39, null, null, null, true), predefined: true}); //$NON-NLS-0$
 			//TODO These two actions should be changed to paragraph start and paragraph end  when word wrap is implemented
 			bindings.push({actionID: "lineStart",	keyBinding: new KeyBinding(38, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineEnd",		keyBinding: new KeyBinding(40, null, null, true), predefined: true}); //$NON-NLS-0$
 		} else {
 			bindings.push({actionID: "pageUp",		keyBinding: new KeyBinding(33), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "pageDown",	keyBinding: new KeyBinding(34), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineStart",	keyBinding: new KeyBinding(36), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineEnd",		keyBinding: new KeyBinding(35), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "wordPrevious",	keyBinding: new KeyBinding(37, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "wordNext",	keyBinding: new KeyBinding(39, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "textStart",	keyBinding: new KeyBinding(36, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "textEnd",		keyBinding: new KeyBinding(35, true), predefined: true}); //$NON-NLS-0$
 		}
 		if (util.isFirefox && util.isLinux) {
 			bindings.push({actionID: "lineUp",		keyBinding: new KeyBinding(38, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "lineDown",	keyBinding: new KeyBinding(40, true), predefined: true}); //$NON-NLS-0$
 		}
 		if (util.isWindows) {
 			bindings.push({actionID: "scrollLineUp",	keyBinding: new KeyBinding(38, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "scrollLineDown",	keyBinding: new KeyBinding(40, true), predefined: true}); //$NON-NLS-0$
 		}

 		// Select Cursor Navigation
 		bindings.push({actionID: "selectLineUp",		keyBinding: new KeyBinding(38, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "selectLineDown",		keyBinding: new KeyBinding(40, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "selectCharPrevious",	keyBinding: new KeyBinding(37, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "selectCharNext",		keyBinding: new KeyBinding(39, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "selectPageUp",		keyBinding: new KeyBinding(33, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "selectPageDown",		keyBinding: new KeyBinding(34, null, true), predefined: true}); //$NON-NLS-0$
 		if (util.isMac) {
 			bindings.push({actionID: "selectLineStart",	keyBinding: new KeyBinding(37, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectLineEnd",		keyBinding: new KeyBinding(39, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectWordPrevious",	keyBinding: new KeyBinding(37, null, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectWordNext",	keyBinding: new KeyBinding(39, null, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectTextStart",	keyBinding: new KeyBinding(36, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectTextEnd",		keyBinding: new KeyBinding(35, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectTextStart",	keyBinding: new KeyBinding(38, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectTextEnd",		keyBinding: new KeyBinding(40, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectLineStart",	keyBinding: new KeyBinding(37, null, true, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectLineEnd",		keyBinding: new KeyBinding(39, null, true, null, true), predefined: true}); //$NON-NLS-0$
 			//TODO These two actions should be changed to select paragraph start and select paragraph end  when word wrap is implemented
 			bindings.push({actionID: "selectLineStart",	keyBinding: new KeyBinding(38, null, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectLineEnd",		keyBinding: new KeyBinding(40, null, true, true), predefined: true}); //$NON-NLS-0$
 		} else {
 			if (util.isLinux) {
 				bindings.push({actionID: "selectWholeLineUp",		keyBinding: new KeyBinding(38, true, true), predefined: true}); //$NON-NLS-0$
 				bindings.push({actionID: "selectWholeLineDown",		keyBinding: new KeyBinding(40, true, true), predefined: true}); //$NON-NLS-0$
 			}
 			bindings.push({actionID: "selectLineStart",		keyBinding: new KeyBinding(36, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectLineEnd",		keyBinding: new KeyBinding(35, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectWordPrevious",	keyBinding: new KeyBinding(37, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectWordNext",		keyBinding: new KeyBinding(39, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectTextStart",		keyBinding: new KeyBinding(36, true, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "selectTextEnd",		keyBinding: new KeyBinding(35, true, true), predefined: true}); //$NON-NLS-0$
 		}

 		//Undo stack
 		bindings.push({actionID: "undo", keyBinding: new mKeyBinding.KeyBinding('z', true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 		if (util.isMac) {
 			bindings.push({actionID: "redo", keyBinding: new mKeyBinding.KeyBinding('z', true, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 		} else {
 			bindings.push({actionID: "redo", keyBinding: new mKeyBinding.KeyBinding('y', true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 		}

 		//Misc
 		bindings.push({actionID: "deletePrevious",		keyBinding: new KeyBinding(8), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "deletePrevious",		keyBinding: new KeyBinding(8, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "deleteNext",		keyBinding: new KeyBinding(46), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "deleteWordPrevious",	keyBinding: new KeyBinding(8, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "deleteWordPrevious",	keyBinding: new KeyBinding(8, true, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "deleteWordNext",		keyBinding: new KeyBinding(46, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "tab",			keyBinding: new KeyBinding(9), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "shiftTab",			keyBinding: new KeyBinding(9, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "enter",			keyBinding: new KeyBinding(13), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "enter",			keyBinding: new KeyBinding(13, null, true), predefined: true}); //$NON-NLS-0$
 		bindings.push({actionID: "selectAll",		keyBinding: new KeyBinding('a', true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 		bindings.push({actionID: "toggleTabMode",	keyBinding: new KeyBinding('m', true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 		if (util.isMac) {
 			bindings.push({actionID: "deleteNext",		keyBinding: new KeyBinding(46, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "deleteWordPrevious",	keyBinding: new KeyBinding(8, null, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "deleteWordNext",		keyBinding: new KeyBinding(46, null, null, true), predefined: true}); //$NON-NLS-0$
 		}

 		bindings.push({actionID: "toggleWrapMode",		keyBinding: new mKeyBinding.KeyBinding('w', true, false, true)}); //$NON-NLS-1$ //$NON-NLS-0$
 		bindings.push({actionID: "toggleOverwriteMode",		keyBinding: new mKeyBinding.KeyBinding(45)}); //$NON-NLS-0$

 		/*
 		* Feature in IE/Chrome: prevent ctrl+'u', ctrl+'i', and ctrl+'b' from applying styles to the text.
 		*
 		* Note that Chrome applies the styles on the Mac with Ctrl instead of Cmd.
 		*/
 		if (!util.isFirefox) {
 			var isMacChrome = util.isMac && util.isChrome;
 			bindings.push({actionID: "noop", keyBinding: new KeyBinding('u', !isMacChrome, false, false, isMacChrome), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "noop", keyBinding: new KeyBinding('i', !isMacChrome, false, false, isMacChrome), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "noop", keyBinding: new KeyBinding('b', !isMacChrome, false, false, isMacChrome), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 		}

 		if (util.isFirefox) {
 			bindings.push({actionID: "copy", keyBinding: new KeyBinding(45, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "paste", keyBinding: new KeyBinding(45, null, true), predefined: true}); //$NON-NLS-0$
 			bindings.push({actionID: "cut", keyBinding: new KeyBinding(46, null, true), predefined: true}); //$NON-NLS-0$
 		}

 		// Add the emacs Control+ ... key bindings.
 		if (util.isMac) {
 			bindings.push({actionID: "lineStart", keyBinding: new KeyBinding("a", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "lineEnd", keyBinding: new KeyBinding("e", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "lineUp", keyBinding: new KeyBinding("p", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "lineDown", keyBinding: new KeyBinding("n", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "charPrevious", keyBinding: new KeyBinding("b", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "charNext", keyBinding: new KeyBinding("f", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "deletePrevious", keyBinding: new KeyBinding("h", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "deleteNext", keyBinding: new KeyBinding("d", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "deleteLineEnd", keyBinding: new KeyBinding("k", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			if (util.isFirefox) {
 				bindings.push({actionID: "scrollPageDown", keyBinding: new KeyBinding("v", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 				bindings.push({actionID: "deleteLineStart", keyBinding: new KeyBinding("u", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 				bindings.push({actionID: "deleteWordPrevious", keyBinding: new KeyBinding("w", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 			} else {
 				bindings.push({actionID: "pageDown", keyBinding: new KeyBinding("v", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 				bindings.push({actionID: "centerLine", keyBinding: new KeyBinding("l", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 				bindings.push({actionID: "enterNoCursor", keyBinding: new KeyBinding("o", false, false, false, true), predefined: true}); //$NON-NLS-1$ //$NON-NLS-0$
 				//TODO implement: y (yank), t (transpose)
 			}
 		}
 		return bindings;
 	};

 	return {
 		KeyMode: KeyMode,
 		DefaultKeyMode: DefaultKeyMode
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 /*globals define*/

 define("orion/editor/textTheme", //$NON-NLS-0$
 [
 	'require', //$NON-NLS-0$
 	'orion/editor/eventTarget', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(require, mEventTarget, util) {
 	var THEME_PREFIX = "orion-theme-"; //$NON-NLS-0$

 	var Themes = {};

 	/**
 	 * Constructs a new text theme.
 	 *
 	 * @class A TextTheme is a class used to specify an editor theme.
 	 * @name orion.editor.TextTheme
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	function TextTheme(options) {
 		options = options || {};
 		this._document = options.document || document;
 	}

 	/**
 	 * Gets an instance of <code>orion.editor.TextTheme</code> by name. If the name
 	 * paramenter is not speficed the default text theme instance is returned.
 	 * Subsequent calls of <code>getTheme</code> with the same name will return
 	 * the same instance.
 	 */
 	TextTheme.getTheme = function(name) {
 		name = name || "default"; //$NON-NLS-0$
 		var theme = Themes[name];
 		if (!theme) {
 			theme = Themes[name] = new TextTheme();
 		}
 		return theme;
 	};

 	TextTheme.prototype = /** @lends orion.editor.TextTheme.prototype */ {
 		/**
 		 * Returns the theme className.
 		 *
 		 * @see orion.editor.TextTheme#setThemeClass
 		 */
 		getThemeClass: function() {
 			return this._themeClass;
 		},
 		/**
 		 * @class This object represents a style sheet for a theme manager.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextTheme#setThemeClass}
 		 * </p>
 		 * @name orion.editor.ThemeStyleSheet
 		 *
 		 * @property {String} href The href of the stylesheet
 		 */
 		/**
 		 * Sets the theme className and style sheet.
 		 * <p>
 		 * If the <code>stylesheet</code> parameter is a string, it represents an inline
 		 * CSS and it will be added to the document as a <i>STYLE</i> tag element.  If the
 		 * <code>stylesheet</code> parameter is a <code>orion.editor.ThemeStyleSheet</code>,
 		 * its href property is loaded as either a <i>STYLE</i> tag element or as a <i>LINK</i>
 		 * tag element.
 		 * </p>
 		 * <p>
 		 * Listeners of the ThemeChanged event are notify once the styled sheet is loaded
 		 * into the document.
 		 * </p>
 		 *
 		 * @param {String} className the new theme className.
 		 * @param {String|orion.editor.ThemeStyleSheet} styleSheet the CSS stylesheet for the new theme className.
 		 *
 		 * @see orion.editor.TextTheme#getThemeClass
 		 * @see orion.editor.TextTheme#onThemeChanged
 		 */
 		 setThemeClass: function(className, styleSheet) {
 			var self = this;
 			var oldThemeClass = self._themeClass;
 			self._themeClass = className;
 			this._load(className, styleSheet, function() {
 				self.onThemeChanged({
 					type: "ThemeChanged", //$NON-NLS-0$
 					oldValue: oldThemeClass,
 					newValue: self.getThemeClass()
 				});
 			});
 		},
 		/**
 		 * @class This is the event sent when the theme className or style sheet has changed.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextTheme}<br/>
 		 * {@link orion.editor.TextTheme#event:onThemeChanged}
 		 * </p>
 		 * @name orion.editor.ThemeChangedEvent
 		 *
 		 * @property {String} oldValue The old theme clasName.
 		 * @property {String} newValue The new theme className.
 		 */
 		/**
 		 * This event is sent when the theme clasName has changed and its style sheet has been loaded in the document.
 		 *
 		 * @event
 		 * @param {orion.editor.ThemeChangedEvent} themeChangedEvent the event
 		 */
 		onThemeChanged: function(themeChangedEvent) {
 			return this.dispatchEvent(themeChangedEvent);
 		},
 		/**
 		 * @private
 		 */
 		buildStyleSheet: function(themeClass, settings) {

 			var result = [];
 			result.push("");

 			result.push("." + themeClass + " {"); //$NON-NLS-1$ //$NON-NLS-0$
 			if (settings.fontFamily) {
 				result.push("\tfont-family: " + settings.fontFamily + ";"); //$NON-NLS-1$ //$NON-NLS-0$
 			}
 			if (settings.fontSize) {
 				result.push("\tfont-size: " + settings.fontSize + ";"); //$NON-NLS-1$ //$NON-NLS-0$
 			}
 			if (settings.fontSize) {
 				result.push("\tcolor: " + settings.text + ";"); //$NON-NLS-1$ //$NON-NLS-0$
 			}
 			result.push("}"); //$NON-NLS-0$

 			//From textview.css
 			result.push("." + themeClass + ".textview {"); //$NON-NLS-1$ //$NON-NLS-0$
 			if (settings.background) {
 				result.push("\tbackground-color: " + settings.background + ";"); //$NON-NLS-1$ //$NON-NLS-0$
 			}
 			result.push("}"); //$NON-NLS-0$

 			function defineRule(className, value, isBackground) {
 				if (value) {
 					result.push("." + themeClass + " ." + className + " {"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 					result.push("\t" + (isBackground ? "background-color" : "color") + ": " + value + ";"); //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 					result.push("}"); //$NON-NLS-0$
 				}
 			}

 			//From rulers.css
 			defineRule("ruler.annotations", settings.annotationRuler, true); //$NON-NLS-0$
 			defineRule("ruler.lines", settings.annotationRuler, true); //$NON-NLS-0$
 			defineRule("ruler.folding", settings.annotationRuler, true); //$NON-NLS-0$
 			defineRule("ruler.overview", settings.overviewRuler, true); //$NON-NLS-0$
 			defineRule("rulerLines", settings.lineNumber, false); //$NON-NLS-0$
 			defineRule("rulerLines.even", settings.lineNumberEven, false); //$NON-NLS-0$
 			defineRule("rulerLines.odd", settings.lineNumberOdd, false); //$NON-NLS-0$

 			//From annotations.css
 			defineRule("annotationLine.currentLine", settings.currentLine, true); //$NON-NLS-0$

 			//From default-theme.css
 			defineRule("entity-name-tag", settings.keyword, false); //$NON-NLS-0$
 			defineRule("entity-other-attribute-name", settings.attribute, false); //$NON-NLS-0$
 			defineRule("string-quoted", settings.string, false); //$NON-NLS-0$

 			//From textstyler.css
 			defineRule("line_caret", settings.currentLine, true); //$NON-NLS-0$
 			defineRule("token_keyword", settings.keyword, false); //$NON-NLS-0$
 			defineRule("token_string", settings.string, false); //$NON-NLS-0$
 			defineRule("token_singleline_comment", settings.comment, false); //$NON-NLS-0$
 			defineRule("token_multiline_comment", settings.comment, false); //$NON-NLS-0$
 			defineRule("token_doc_comment", settings.comment, false); //$NON-NLS-0$
 			defineRule("token_doc_html_markup", settings.comment, false); //$NON-NLS-0$

 			return result.join("\n"); //$NON-NLS-0$
 		},
 		/**
 		 * @private
 		 */
 		_createStyle: function(className, styleSheet, callback, link) {
 			var document = this._document;
 			var id = THEME_PREFIX + className;
 			var node = document.getElementById(id);
 			if (node) {
 				if (link || node.firstChild.data === styleSheet) {
 					return;
 				}
 				node.removeChild(node.firstChild);
 				node.appendChild(document.createTextNode(styleSheet));
 			} else {
 				if (link) {
 					node = util.createElement(document, "link"); //$NON-NLS-0$
 					node.rel = "stylesheet"; //$NON-NLS-0$
 					node.type = "text/css"; //$NON-NLS-0$
 					node.href = styleSheet;
 					node.addEventListener("load", function() { //$NON-NLS-0$
 						callback();
 					});
 				} else {
 					node = util.createElement(document, "style"); //$NON-NLS-0$
 					node.appendChild(document.createTextNode(styleSheet));
 				}
 				node.id = id;
 				var head = document.getElementsByTagName("head")[0] || document.documentElement; //$NON-NLS-0$
 				head.appendChild(node);
 			}
 			if (!link) {
 				callback();
 			}
 		},
 		/**
 		 * @private
 		 */
 		_load: function (className, styleSheet, callback) {
 			if (!className) {
 				callback();
 				return;
 			}
 			if (typeof styleSheet === "string") { //$NON-NLS-0$
 				this._createStyle(className, styleSheet, callback);
 				return;
 			}
 			var href = styleSheet.href;
 			var extension = ".css"; //$NON-NLS-0$
 			if (href.substring(href.length - extension.length) !== extension) {
 				href += extension;
 			}
 			if (/^\//.test(href) || /[a-zA-Z0-9]+:\/\//i.test(href) || !require.toUrl /* almond cannot load dynamically */) {
 				this._createStyle(className, href, callback, true);
 			} else {
 				var self = this;
 				require(["text!" + href], function(cssText) { //$NON-NLS-0$
 					self._createStyle(className, cssText, callback, false);
 				});
 			}
 		}
 	};
 	mEventTarget.EventTarget.addMixin(TextTheme.prototype);

 	return {
 		TextTheme: TextTheme
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define("orion/editor/util", [], function() { //$NON-NLS-0$

 	/** @private */
 	function addEventListener(node, type, handler, capture) {
 		if (typeof node.addEventListener === "function") { //$NON-NLS-0$
 			node.addEventListener(type, handler, capture === true);
 		} else {
 			node.attachEvent("on" + type, handler); //$NON-NLS-0$
 		}
 	}
 	/** @private */
 	function removeEventListener(node, type, handler, capture) {
 		if (typeof node.removeEventListener === "function") { //$NON-NLS-0$
 			node.removeEventListener(type, handler, capture === true);
 		} else {
 			node.detachEvent("on" + type, handler); //$NON-NLS-0$
 		}
 	}
 	/** @private */
 	function contains(topNode, node) {
 		if (!node) { return false; }
 		if (!topNode.compareDocumentPosition) {
 			var temp = node;
 			while (temp) {
 				if (topNode === temp) {
 					return true;
 				}
 				temp = temp.parentNode;
 			}
 			return false;
 		}
 		return topNode === node || (topNode.compareDocumentPosition(node) & 16) !== 0;
 	}

 	return {
 		contains: contains,
 		addEventListener: addEventListener,
 		removeEventListener: removeEventListener
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  *		Mihai Sucan (Mozilla Foundation) - fix for Bug#334583 Bug#348471 Bug#349485 Bug#350595 Bug#360726 Bug#361180 Bug#362835 Bug#362428 Bug#362286 Bug#354270 Bug#361474 Bug#363945 Bug#366312 Bug#370584
  ******************************************************************************/

 /*global define document*/

 define("orion/editor/textView", [ //$NON-NLS-0$
 	'i18n!orion/editor/nls/messages', //$NON-NLS-0$
 	'orion/editor/textModel', //$NON-NLS-0$
 	'orion/editor/keyModes', //$NON-NLS-0$
 	'orion/editor/eventTarget', //$NON-NLS-0$
 	'orion/editor/textTheme', //$NON-NLS-0$
 	'orion/editor/util', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(messages, mTextModel, mKeyModes, mEventTarget, mTextTheme, textUtil, util) {

 	/** @private */
 	function getWindow(document) {
 		return document.defaultView || document.parentWindow;
 	}
 	var addHandler = textUtil.addEventListener;
 	var removeHandler = textUtil.removeEventListener;
 	/** @private */
 	function applyStyle(style, node, reset) {
 		if (reset) {
 			node.className = "";
 			var attrs = node.attributes;
 			for (var i= attrs.length; i-->0;) {
 				if (!util.isIE || util.isIE >= 9 || (util.isIE < 9 && attrs[i].specified)) {
 					node.removeAttribute(attrs[i].name);
 				}
 			}
 		}
 		if (!style) {
 			return;
 		}
 		if (style.styleClass) {
 			node.className = style.styleClass;
 		}
 		var properties = style.style;
 		if (properties) {
 			for (var s in properties) {
 				if (properties.hasOwnProperty(s)) {
 					node.style[s] = properties[s];
 				}
 			}
 		}
 		var attributes = style.attributes;
 		if (attributes) {
 			for (var a in attributes) {
 				if (attributes.hasOwnProperty(a)) {
 					node.setAttribute(a, attributes[a]);
 				}
 			}
 		}
 	}
 	/** @private */
 	function clone(obj) {
 		/*Note that this code only works because of the limited types used in TextViewOptions */
 		if (obj instanceof Array) {
 			return obj.slice(0);
 		}
 		return obj;
 	}
 	/**	@private */
 	function merge(obj1, obj2) {
 		if (!obj1) {
 			return obj2;
 		}
 		if (!obj2) {
 			return obj1;
 		}
 		for (var p in obj2) {
 			if (obj2.hasOwnProperty(p)) {
 				if (!obj1.hasOwnProperty(p)) {
 					obj1[p] = obj2[p];
 				}
 			}
 		}
 		return obj1;
 	}
 	/** @private */
 	function compare(s1, s2) {
 		if (s1 === s2) { return true; }
 		if (s1 && !s2 || !s1 && s2) { return false; }
 		if ((s1 && s1.constructor === String) || (s2 && s2.constructor === String)) { return false; }
 		if (s1 instanceof Array || s2 instanceof Array) {
 			if (!(s1 instanceof Array && s2 instanceof Array)) { return false; }
 			if (s1.length !== s2.length) { return false; }
 			for (var i = 0; i < s1.length; i++) {
 				if (!compare(s1[i], s2[i])) {
 					return false;
 				}
 			}
 			return true;
 		}
 		if (!(s1 instanceof Object) || !(s2 instanceof Object)) { return false; }
 		var p;
 		for (p in s1) {
 			if (s1.hasOwnProperty(p)) {
 				if (!s2.hasOwnProperty(p)) { return false; }
 				if (!compare(s1[p], s2[p])) {return false; }
 			}
 		}
 		for (p in s2) {
 			if (!s1.hasOwnProperty(p)) { return false; }
 		}
 		return true;
 	}
 	/** @private */
 	function convertDelimiter(text, addTextFunc, addDelimiterFunc) {
 		var cr = 0, lf = 0, index = 0, length = text.length;
 		while (index < length) {
 			if (cr !== -1 && cr <= index) { cr = text.indexOf("\r", index); } //$NON-NLS-0$
 			if (lf !== -1 && lf <= index) { lf = text.indexOf("\n", index); } //$NON-NLS-0$
 			var start = index, end;
 			if (lf === -1 && cr === -1) {
 				addTextFunc(text.substring(index));
 				break;
 			}
 			if (cr !== -1 && lf !== -1) {
 				if (cr + 1 === lf) {
 					end = cr;
 					index = lf + 1;
 				} else {
 					end = cr < lf ? cr : lf;
 					index = (cr < lf ? cr : lf) + 1;
 				}
 			} else if (cr !== -1) {
 				end = cr;
 				index = cr + 1;
 			} else {
 				end = lf;
 				index = lf + 1;
 			}
 			addTextFunc(text.substring(start, end));
 			addDelimiterFunc();
 		}
 	}
 	/** @private */
 	function getBorder(node) {
 		var left,top,right,bottom;
 		var window = getWindow(node.ownerDocument);
 		if (window.getComputedStyle) {
 			var style = window.getComputedStyle(node, null);
 			left = style.getPropertyValue("border-left-width"); //$NON-NLS-0$
 			top = style.getPropertyValue("border-top-width"); //$NON-NLS-0$
 			right = style.getPropertyValue("border-right-width"); //$NON-NLS-0$
 			bottom = style.getPropertyValue("border-bottom-width"); //$NON-NLS-0$
 		} else if (node.currentStyle) {
 			left = node.currentStyle.borderLeftWidth;
 			top = node.currentStyle.borderTopWidth;
 			right = node.currentStyle.borderRightWidth;
 			bottom = node.currentStyle.borderBottomWidth;
 		}
 		return {
 			left: parseInt(left, 10) || 0,
 			top: parseInt(top, 10) || 0,
 			right: parseInt(right, 10) || 0,
 			bottom: parseInt(bottom, 10) || 0
 		};
 	}
 	/** @private */
 	function getPadding(node) {
 		var left,top,right,bottom;
 		var window = getWindow(node.ownerDocument);
 		if (window.getComputedStyle) {
 			var style = window.getComputedStyle(node, null);
 			left = style.getPropertyValue("padding-left"); //$NON-NLS-0$
 			top = style.getPropertyValue("padding-top"); //$NON-NLS-0$
 			right = style.getPropertyValue("padding-right"); //$NON-NLS-0$
 			bottom = style.getPropertyValue("padding-bottom"); //$NON-NLS-0$
 		} else if (node.currentStyle) {
 			left = node.currentStyle.paddingLeft;
 			top = node.currentStyle.paddingTop;
 			right = node.currentStyle.paddingRight;
 			bottom = node.currentStyle.paddingBottom;
 		}
 		return {
 			left: parseInt(left, 10) || 0,
 			top: parseInt(top, 10) || 0,
 			right: parseInt(right, 10) || 0,
 			bottom: parseInt(bottom, 10) || 0
 		};
 	}
 	/** @private */
 	function getLineTrim(line) {
 		var trim = line._trim;
 		if (!trim) {
 			trim = getPadding(line);
 			var border = getBorder(line);
 			trim.left += border.left;
 			trim.top += border.top;
 			trim.right += border.right;
 			trim.bottom += border.bottom;
 			line._trim = trim;
 		}
 		return trim;
 	}

 	/**
 	 * @class
 	 * @private
 	 * @name orion.editor.Animation
 	 * @description Creates an animation.
 	 * @param {Object} options Options controlling the animation.
 	 * @param {Array} options.curve Array of 2 values giving the start and end points for the animation.
 	 * @param {Number} [options.duration=350] Duration of the animation, in milliseconds.
 	 * @param {Function} [options.easing]
 	 * @param {Function} [options.onAnimate]
 	 * @param {Function} [options.onEnd]
 	 * @param {Number} [options.rate=20] The time between frames, in milliseconds.
 	 */
 	var Animation = /** @ignore */ (function() {
 		function Animation(options) {
 			this.options = options;
 		}
 		/**
 		 * Plays this animation.
 		 * @methodOf orion.editor.Animation.prototype
 		 * @name play
 		 */
 		Animation.prototype.play = function() {
 			var duration = (typeof this.options.duration === "number") ? this.options.duration : 350, //$NON-NLS-0$
 			    rate = (typeof this.options.rate === "number") ? this.options.rate : 20, //$NON-NLS-0$
 			    easing = this.options.easing || this.defaultEasing,
 			    onAnimate = this.options.onAnimate || function() {},
 			    start = this.options.curve[0],
 			    end = this.options.curve[1],
 			    range = (end - start),
 			    startedAt = -1,
 				propertyValue,
 				self = this;

 			function onFrame() {
 				startedAt = (startedAt === -1) ? new Date().getTime() : startedAt;
 				var now = new Date().getTime(),
 				    percentDone = (now - startedAt) / duration;
 				if (percentDone < 1) {
 					var eased = easing(percentDone);
 					propertyValue = start + (eased * range);
 					onAnimate(propertyValue);
 				} else {
 					onAnimate(end);
 					self.stop();
 				}
 			}
 			this.interval = this.options.window.setInterval(onFrame, rate);
 		};
 		/**
 		 * Stops this animation.
 		 * @methodOf orion.editor.Animation.prototype
 		 */
 		Animation.prototype.stop = function() {
 			this.options.window.clearInterval(this.interval);
 		    var onEnd = this.options.onEnd || function () {};
 			onEnd();
 		};
 		Animation.prototype.defaultEasing = function(x) {
 			return Math.sin(x * (Math.PI / 2));
 		};
 		return Animation;
 	}());

 	/**
 	 * Constructs a new Selection object.
 	 *
 	 * @class A Selection represents a range of selected text in the view.
 	 * @name orion.editor.Selection
 	 */
 	function Selection (start, end, caret) {
 		/**
 		 * The selection start offset.
 		 *
 		 * @name orion.editor.Selection#start
 		 */
 		this.start = start;
 		/**
 		 * The selection end offset.
 		 *
 		 * @name orion.editor.Selection#end
 		 */
 		this.end = end;
 		/** @private */
 		this.caret = caret; //true if the start, false if the caret is at end
 	}
 	Selection.prototype = /** @lends orion.editor.Selection.prototype */ {
 		/** @private */
 		clone: function() {
 			return new Selection(this.start, this.end, this.caret);
 		},
 		/** @private */
 		collapse: function() {
 			if (this.caret) {
 				this.end = this.start;
 			} else {
 				this.start = this.end;
 			}
 		},
 		/** @private */
 		extend: function (offset) {
 			if (this.caret) {
 				this.start = offset;
 			} else {
 				this.end = offset;
 			}
 			if (this.start > this.end) {
 				var tmp = this.start;
 				this.start = this.end;
 				this.end = tmp;
 				this.caret = !this.caret;
 			}
 		},
 		/** @private */
 		setCaret: function(offset) {
 			this.start = offset;
 			this.end = offset;
 			this.caret = false;
 		},
 		/** @private */
 		getCaret: function() {
 			return this.caret ? this.start : this.end;
 		},
 		/** @private */
 		toString: function() {
 			return "start=" + this.start + " end=" + this.end + (this.caret ? " caret is at start" : " caret is at end"); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		},
 		/** @private */
 		isEmpty: function() {
 			return this.start === this.end;
 		},
 		/** @private */
 		equals: function(object) {
 			return this.caret === object.caret && this.start === object.start && this.end === object.end;
 		}
 	};
 	/** @private */
 	function TextRect (rect) {
 		this.left = rect.left;
 		this.top = rect.top;
 		this.right = rect.right;
 		this.bottom = rect.bottom;
 	}
 	TextRect.prototype = /** @lends orion.editor.TextRect.prototype */ {
 		/** @private */
 		toString: function() {
 			return "{l=" + this.left + ", t=" + this.top + ", r=" + this.right + ", b=" + this.bottom + "}"; //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		}
 	};
 	/**
 	 * Constructs a new TextLine object.
 	 *
 	 * @class A TextLine represents a line of text in the view.
 	 * @name orion.editor.TextLine
 	 * @private
 	 */
 	function TextLine (view, lineIndex, lineDiv) {
 		/**
 		 * The view.
 		 *
 		 * @name orion.editor.TextLine#view
 		 * @private
 		 */
 		this.view = view;
 		/**
 		 * The line index.
 		 *
 		 * @name orion.editor.TextLine#lineIndex
 		 * @private
 		 */
 		this.lineIndex = lineIndex;

 		this._lineDiv = lineDiv;
 	}
 	TextLine.prototype = /** @lends orion.editor.TextLine.prototype */ {
 		/** @private */
 		create: function(parent, div) {
 			if (this._lineDiv) { return; }
 			var child = this._lineDiv = this._createLine(parent, div, this.lineIndex);
 			child._line = this;
 			return child;
 		},
 		_createLine: function(parent, div, lineIndex) {
 			var view = this.view;
 			var model = view._model;
 			var lineText = model.getLine(lineIndex);
 			var lineStart = model.getLineStart(lineIndex);
 			var e = {type:"LineStyle", textView: view, lineIndex: lineIndex, lineText: lineText, lineStart: lineStart}; //$NON-NLS-0$
 			if (lineText.length < 2000) {
 				view.onLineStyle(e);
 			}
 			var lineDiv = div || util.createElement(parent.ownerDocument, "div"); //$NON-NLS-0$
 			if (!div || !compare(div.viewStyle, e.style)) {
 				applyStyle(e.style, lineDiv, div);
 				if (div) { div._trim = null; }
 				lineDiv.viewStyle = e.style;
 				lineDiv.setAttribute("role", "presentation"); //$NON-NLS-1$ //$NON-NLS-0$
 			}
 			lineDiv.lineIndex = lineIndex;
 			var ranges = [];
 			var data = {tabOffset: 0, ranges: ranges};
 			this._createRanges(e.ranges, lineText, 0, lineText.length, lineStart, data);

 			/*
 			* A trailing span with a whitespace is added for three different reasons:
 			* 1. Make sure the height of each line is the largest of the default font
 			* in normal, italic, bold, and italic-bold.
 			* 2. When full selection is off, Firefox, Opera and IE9 do not extend the
 			* selection at the end of the line when the line is fully selected.
 			* 3. The height of a div with only an empty span is zero.
 			*/
 			var c = " "; //$NON-NLS-0$
 			if (!view._fullSelection && util.isIE < 9) {
 				/*
 				* IE8 already selects extra space at end of a line fully selected,
 				* adding another space at the end of the line causes the selection
 				* to look too big. The fix is to use a zero-width space (\uFEFF) instead.
 				*/
 				c = "\uFEFF"; //$NON-NLS-0$
 			}
 			if (util.isWebkit) {
 				/*
 				* Feature in WekKit. Adding a regular white space to the line will
 				* cause the longest line in the view to wrap even though "pre" is set.
 				* The fix is to use the zero-width non-joiner character (\u200C) instead.
 				* Note: Do not use \uFEFF because in old version of Chrome this character
 				* shows a glyph;
 				*/
 				c = "\u200C"; //$NON-NLS-0$
 			}
 			var range = {text: c, style: view._metrics.largestFontStyle, ignoreChars: 1};
 			if (ranges.length === 0 || !ranges[ranges.length - 1].style || ranges[ranges.length - 1].style.tagName !== "div") { //$NON-NLS-0$
 				ranges.push(range);
 			} else {
 				ranges.splice(ranges.length - 1, 0, range);
 			}

 			var span, style, oldSpan, oldStyle, text, oldText, end = 0, oldEnd = 0, next;
 			var changeCount, changeStart;
 			if (div) {
 				var modelChangedEvent = div.modelChangedEvent;
 				if (modelChangedEvent) {
 					if (modelChangedEvent.removedLineCount === 0 && modelChangedEvent.addedLineCount === 0) {
 						changeStart = modelChangedEvent.start - lineStart;
 						changeCount = modelChangedEvent.addedCharCount - modelChangedEvent.removedCharCount;
 					} else {
 						changeStart = -1;
 					}
 					div.modelChangedEvent = undefined;
 				}
 				oldSpan = div.firstChild;
 			}
 			for (var i = 0; i < ranges.length; i++) {
 				range = ranges[i];
 				text = range.text;
 				end += text.length;
 				style = range.style;
 				if (oldSpan) {
 					oldText = oldSpan.firstChild.data;
 					oldStyle = oldSpan.viewStyle;
 					if (oldText === text && compare(style, oldStyle)) {
 						oldEnd += oldText.length;
 						oldSpan._rectsCache = undefined;
 						span = oldSpan = oldSpan.nextSibling;
 						continue;
 					} else {
 						while (oldSpan) {
 							if (changeStart !== -1) {
 								var spanEnd = end;
 								if (spanEnd >= changeStart) {
 									spanEnd -= changeCount;
 								}
 								var t = oldSpan.firstChild.data;
 								var length = t ? t.length : 0;
 								if (oldEnd + length > spanEnd) { break; }
 								oldEnd += length;
 							}
 							next = oldSpan.nextSibling;
 							lineDiv.removeChild(oldSpan);
 							oldSpan = next;
 						}
 					}
 				}
 				span = this._createSpan(lineDiv, text, style, range.ignoreChars);
 				if (oldSpan) {
 					lineDiv.insertBefore(span, oldSpan);
 				} else {
 					lineDiv.appendChild(span);
 				}
 				if (div) {
 					div.lineWidth = undefined;
 				}
 			}
 			if (div) {
 				var tmp = span ? span.nextSibling : null;
 				while (tmp) {
 					next = tmp.nextSibling;
 					div.removeChild(tmp);
 					tmp = next;
 				}
 			} else {
 				parent.appendChild(lineDiv);
 			}
 			return lineDiv;
 		},
 		_createRanges: function(ranges, text, start, end, lineStart, data) {
 			if (start > end) { return; }
 			if (ranges) {
 				for (var i = 0; i < ranges.length; i++) {
 					var range = ranges[i];
 					if (range.end < lineStart + start) { continue; }
 					var styleStart = Math.max(lineStart + start, range.start) - lineStart;
 					if (styleStart > end) { break; }
 					var styleEnd = Math.min(lineStart + end, range.end) - lineStart;
 					if (styleStart <= styleEnd) {
 						styleStart = Math.max(start, styleStart);
 						styleEnd = Math.min(end, styleEnd);
 						if (start < styleStart) {
 							this._createRange(text, start, styleStart, null, data);
 						}
 						if (!range.style || !range.style.unmergeable) {
 							while (i + 1 < ranges.length && ranges[i + 1].start - lineStart === styleEnd && compare(range.style, ranges[i + 1].style)) {
 								range = ranges[i + 1];
 								styleEnd = Math.min(lineStart + end, range.end) - lineStart;
 								i++;
 							}
 						}
 						this._createRange(text, styleStart, styleEnd, range.style, data);
 						start = styleEnd;
 					}
 				}
 			}
 			if (start < end) {
 				this._createRange(text, start, end, null, data);
 			}
 		},
 		_createRange: function(text, start, end, style, data) {
 			if (start > end) { return; }
 			var tabSize = this.view._customTabSize, range;
 			if (tabSize && tabSize !== 8) {
 				var tabIndex = text.indexOf("\t", start); //$NON-NLS-0$
 				while (tabIndex !== -1 && tabIndex < end) {
 					if (start < tabIndex) {
 						range = {text: text.substring(start, tabIndex), style: style};
 						data.ranges.push(range);
 						data.tabOffset += range.text.length;
 					}
 					var spacesCount = tabSize - (data.tabOffset % tabSize);
 					if (spacesCount > 0) {
 						//TODO hack to preserve tabs in getDOMText()
 						var spaces = "\u00A0"; //$NON-NLS-0$
 						for (var i = 1; i < spacesCount; i++) {
 							spaces += " "; //$NON-NLS-0$
 						}
 						range = {text: spaces, style: style, ignoreChars: spacesCount - 1};
 						data.ranges.push(range);
 						data.tabOffset += range.text.length;
 					}
 					start = tabIndex + 1;
 					if (start === end) {
 						return;
 					}
 					tabIndex = text.indexOf("\t", start); //$NON-NLS-0$
 				}
 			}
 			if (start <= end) {
 				range = {text: text.substring(start, end), style: style};
 				data.ranges.push(range);
 				data.tabOffset += range.text.length;
 			}
 		},
 		_createSpan: function(parent, text, style, ignoreChars) {
 			var view = this.view;
 			var tagName = "span"; //$NON-NLS-0$
 			if (style && style.tagName) {
 				tagName = style.tagName.toLowerCase();
 			}
 			var isLink = tagName === "a"; //$NON-NLS-0$
 			if (isLink) { parent.hasLink = true; }
 			if (isLink && !view._linksVisible) {
 				tagName = "span"; //$NON-NLS-0$
 			}
 			var document = parent.ownerDocument;
 			var child = util.createElement(parent.ownerDocument, tagName);
 			if (style && style.html) {
 				child.innerHTML = style.html;
 				child.ignore = true;
 			} else if (style && style.node) {
 				child.appendChild(style.node);
 				child.ignore = true;
 			} else {
 				child.appendChild(document.createTextNode(style && style.text ? style.text : text));
 			}
 			applyStyle(style, child);
 			if (tagName === "a") { //$NON-NLS-0$
 				var window = view._getWindow();
 				addHandler(child, "click", function(e) { return view._handleLinkClick(e ? e : window.event); }, false); //$NON-NLS-0$
 			}
 			child.viewStyle = style;
 			if (ignoreChars) {
 				child.ignoreChars = ignoreChars;
 			}
 			return child;
 		},
 		_ensureCreated: function() {
 			if (this._lineDiv) { return this._lineDiv; }
 			return (this._createdDiv = this.create(this.view._clientDiv, null));
 		},
 		/** @private */
 		getBoundingClientRect: function(offset, absolute) {
 			var child = this._ensureCreated();
 			var view = this.view;
 			if (offset === undefined) {
 				return this._getLineBoundingClientRect(child, true);
 			}
 			var model = view._model;
 			var document = child.ownerDocument;
 			var lineIndex = this.lineIndex;
 			var result = null;
 			if (offset < model.getLineEnd(lineIndex)) {
 				var lineOffset = model.getLineStart(lineIndex);
 				var lineChild = child.firstChild;
 				while (lineChild) {
 					if (lineChild.ignore) {
 						lineChild = lineChild.nextSibling;
 						continue;
 					}
 					var textNode = lineChild.firstChild;
 					var nodeLength = textNode.length;
 					if (lineChild.ignoreChars) {
 						nodeLength -= lineChild.ignoreChars;
 					}
 					if (lineOffset + nodeLength > offset) {
 						var index = offset - lineOffset;
 						var range;
 						if (textNode.length === 1) {
 							result = new TextRect(lineChild.getBoundingClientRect());
 						} else if (view._isRangeRects) {
 							range = document.createRange();
 							range.setStart(textNode, index);
 							range.setEnd(textNode, index + 1);
 							result = new TextRect(range.getBoundingClientRect());
 						} else if (util.isIE) {
 							range = document.body.createTextRange();
 							range.moveToElementText(lineChild);
 							range.collapse();
 							/*
 							* Bug in IE8. TextRange.getClientRects() and TextRange.getBoundingClientRect() fails
 							* if the line child is not the first element in the line and if the start offset is 0.
 							* The fix is to use Node.getClientRects() left edge instead.
 							*/
 							var fixIE8 = index === 0 && util.isIE === 8;
 							if (fixIE8) { index = 1; }
 							range.moveEnd("character", index + 1); //$NON-NLS-0$
 							range.moveStart("character", index); //$NON-NLS-0$
 							result = new TextRect(range.getBoundingClientRect());
 							if (fixIE8) {
 								result.left = lineChild.getClientRects()[0].left;
 							}
 						} else {
 							var text = textNode.data;
 							lineChild.removeChild(textNode);
 							lineChild.appendChild(document.createTextNode(text.substring(0, index)));
 							var span = util.createElement(document, "span"); //$NON-NLS-0$
 							span.appendChild(document.createTextNode(text.substring(index, index + 1)));
 							lineChild.appendChild(span);
 							lineChild.appendChild(document.createTextNode(text.substring(index + 1)));
 							result = new TextRect(span.getBoundingClientRect());
 							lineChild.innerHTML = "";
 							lineChild.appendChild(textNode);
 							if (!this._createdDiv) {
 								/*
 								 * Removing the element node that holds the selection start or end
 								 * causes the selection to be lost. The fix is to detect this case
 								 * and restore the selection.
 								 */
 								var s = view._getSelection();
 								if ((lineOffset <= s.start && s.start < lineOffset + nodeLength) ||  (lineOffset <= s.end && s.end < lineOffset + nodeLength)) {
 									view._updateDOMSelection();
 								}
 							}
 						}
 						if (util.isIE) {
 							var window = getWindow(child.ownerDocument);
 							var xFactor = window.screen.logicalXDPI / window.screen.deviceXDPI;
 							var yFactor = window.screen.logicalYDPI / window.screen.deviceYDPI;
 							result.left = result.left * xFactor;
 							result.right = result.right * xFactor;
 							result.top = result.top * yFactor;
 							result.bottom = result.bottom * yFactor;
 						}
 						break;
 					}
 					lineOffset += nodeLength;
 					lineChild = lineChild.nextSibling;
 				}
 			}
 			var rect = this.getBoundingClientRect();
 			if (!result) {
 				if (view._wrapMode) {
 					var rects = this.getClientRects();
 					result = rects[rects.length - 1];
 					result.left = result.right;
 					result.left += rect.left;
 					result.top += rect.top;
 					result.right += rect.left;
 					result.bottom += rect.top;
 				} else {
 					result = new TextRect(rect);
 					result.left = result.right;
 				}
 			}
 			if (absolute || absolute === undefined) {
 				result.left -= rect.left;
 				result.top -= rect.top;
 				result.right -= rect.left;
 				result.bottom -= rect.top;
 			}
 			return result;
 		},
 		/** @private */
 		_getClientRects: function(element, parentRect) {
 			var rects, newRects, rect, i;
 			if (!element._rectsCache) {
 				rects = element.getClientRects();
 				newRects = new Array(rects.length);
 				for (i = 0; i<rects.length; i++) {
 					rect = newRects[i] = new TextRect(rects[i]);
 					rect.left -= parentRect.left;
 					rect.top -= parentRect.top;
 					rect.right -= parentRect.left;
 					rect.bottom -= parentRect.top;
 				}
 				element._rectsCache = newRects;
 			}
 			rects = element._rectsCache;
 			newRects = [rects.length];
 			for (i = 0; i<rects.length; i++) {
 				newRects[i] = new TextRect(rects[i]);
 			}
 			return newRects;
 		},
 		/** @private */
 		getClientRects: function(lineIndex) {
 			if (!this.view._wrapMode) { return [this.getBoundingClientRect()]; }
 			var child = this._ensureCreated();
 			//TODO [perf] cache rects
 			var result = [];
 			var lineChild = child.firstChild, i, r, parentRect = child.getBoundingClientRect();
 			while (lineChild) {
 				if (lineChild.ignore) {
 					lineChild = lineChild.nextSibling;
 					continue;
 				}
 				var rects = this._getClientRects(lineChild, parentRect);
 				for (i = 0; i < rects.length; i++) {
 					var rect = rects[i], j;
 					if (rect.top === rect.bottom) { continue; }
 					var center = rect.top + (rect.bottom - rect.top) / 2;
 					for (j = 0; j < result.length; j++) {
 						r = result[j];
 						if ((r.top <= center && center < r.bottom)) {
 							break;
 						}
 					}
 					if (j === result.length) {
 						result.push(rect);
 					} else {
 						if (rect.left < r.left) { r.left = rect.left; }
 						if (rect.top < r.top) { r.top = rect.top; }
 						if (rect.right > r.right) { r.right = rect.right; }
 						if (rect.bottom > r.bottom) { r.bottom = rect.bottom; }
 					}
 				}
 				lineChild = lineChild.nextSibling;
 			}
 			if (lineIndex !== undefined) {
 				return result[lineIndex];
 			}
 			return result;
 		},
 		/** @private */
 		_getLineBoundingClientRect: function (child, noTrim) {
 			var rect = new TextRect(child.getBoundingClientRect());
 			if (this.view._wrapMode) {
 			} else {
 				rect.right = rect.left;
 				var lastChild = child.lastChild;
 				//Remove any artificial trailing whitespace in the line
 				while (lastChild && lastChild.ignoreChars === lastChild.firstChild.length) {
 					lastChild = lastChild.previousSibling;
 				}
 				if (lastChild) {
 					var lastRect = lastChild.getBoundingClientRect();
 					rect.right = lastRect.right + getLineTrim(child).right;
 				}
 			}
 			if (noTrim) {
 				var padding = getLineTrim(child);
 				rect.left = rect.left + padding.left;
 				rect.right = rect.right - padding.right;
 			}
 			return rect;
 		},
 		/** @private */
 		getLineCount: function () {
 			if (!this.view._wrapMode) { return 1; }
 			return this.getClientRects().length;
 		},
 		/** @private */
 		getLineIndex: function(offset) {
 			if (!this.view._wrapMode) { return 0; }
 			var rects = this.getClientRects();
 			var rect = this.getBoundingClientRect(offset);
 			var center = rect.top + ((rect.bottom - rect.top) / 2);
 			for (var i = 0; i < rects.length; i++) {
 				if (rects[i].top <= center && center < rects[i].bottom) {
 					return i;
 				}
 			}
 			return rects.length - 1;
 		},
 		/** @private */
 		getLineStart: function (lineIndex) {
 			if (!this.view._wrapMode || lineIndex === 0) {
 				return this.view._model.getLineStart(lineIndex);
 			}
 			var rects = this.getClientRects();
 			return this.getOffset(rects[lineIndex].left + 1, rects[lineIndex].top + 1);
 		},
 		/** @private */
 		getOffset: function(x, y) {
 			var view = this.view;
 			var model = view._model;
 			var lineIndex = this.lineIndex;
 			var lineStart = model.getLineStart(lineIndex);
 			var lineEnd = model.getLineEnd(lineIndex);
 			if (lineStart === lineEnd) {
 				return lineStart;
 			}
 			var child = this._ensureCreated();
 			var lineRect = this.getBoundingClientRect(), rects, rect;
 			if (view._wrapMode) {
 				rects = this.getClientRects();
 				if (y < rects[0].top) {
 					y = rects[0].top;
 				}
 				for (var i = 0; i < rects.length; i++) {
 					rect = rects[i];
 					if (rect.top <= y && y < rect.bottom) {
 						break;
 					}
 				}
 				if (x < rect.left) { x = rect.left; }
 				if (x > rect.right) { x = rect.right - 1; }
 			} else {
 				if (x < 0) { x = 0; }
 				if (x > (lineRect.right - lineRect.left)) { x = lineRect.right - lineRect.left; }
 			}
 			var document = child.ownerDocument;
 			var window = getWindow(document);
 			var xFactor = util.isIE ? window.screen.logicalXDPI / window.screen.deviceXDPI : 1;
 			var yFactor = util.isIE ? window.screen.logicalYDPI / window.screen.deviceYDPI : 1;
 			var offset = lineStart;
 			var lineChild = child.firstChild;
 			done:
 			while (lineChild) {
 				if (lineChild.ignore) {
 					lineChild = lineChild.nextSibling;
 					continue;
 				}
 				var textNode = lineChild.firstChild;
 				var nodeLength = textNode.length;
 				if (lineChild.ignoreChars) {
 					nodeLength -= lineChild.ignoreChars;
 				}
 				var rangeLeft, rangeTop, rangeRight, rangeBottom;
 				rects = this._getClientRects(lineChild, lineRect);
 				for (var j = 0; j < rects.length; j++) {
 					rect = rects[j];
 					if (rect.left <= x && x < rect.right && (!view._wrapMode || (rect.top <= y && y < rect.bottom))) {
 						var range, start, end;
 						var rl = rect.left, fixIE8;
 						if (util.isIE || view._isRangeRects) {
 							range = view._isRangeRects ? document.createRange() : document.body.createTextRange();
 							var high = nodeLength;
 							var low = -1;
 							while ((high - low) > 1) {
 								var mid = Math.floor((high + low) / 2);
 								start = low + 1;
 								end = mid === nodeLength - 1 && lineChild.ignoreChars ? textNode.length : mid + 1;
 								/*
 								* Bug in IE8. TextRange.getClientRects() and TextRange.getBoundingClientRect() fails
 								* if the line child is not the first element in the line and if the start offset is 0.
 								* The fix is to use Node.getClientRects() left edge instead.
 								*/
 								fixIE8 = start === 0 && util.isIE === 8;
 								if (view._isRangeRects) {
 									range.setStart(textNode, start);
 									range.setEnd(textNode, end);
 								} else {
 									if (fixIE8) { start = 1; }
 									range.moveToElementText(lineChild);
 									range.move("character", start); //$NON-NLS-0$
 									range.moveEnd("character", end - start); //$NON-NLS-0$
 								}
 								rects = range.getClientRects();
 								var found = false;
 								for (var k = 0; k < rects.length; k++) {
 									rect = rects[k];
 									rangeLeft = (fixIE8 ? rl : rect.left) * xFactor - lineRect.left;
 									rangeRight = rect.right * xFactor - lineRect.left;
 									rangeTop = rect.top * yFactor - lineRect.top;
 									rangeBottom = rect.bottom * yFactor - lineRect.top;
 									if (rangeLeft <= x && x < rangeRight && (!view._wrapMode || (rangeTop <= y && y < rangeBottom))) {
 										found = true;
 										break;
 									}
 								}
 								if (found) {
 									high = mid;
 								} else {
 									low = mid;
 								}
 							}
 							offset += high;
 							start = high;
 							end = high === nodeLength - 1 && lineChild.ignoreChars ? textNode.length : Math.min(high + 1, textNode.length);
 							if (view._isRangeRects) {
 								range.setStart(textNode, start);
 								range.setEnd(textNode, end);
 							} else {
 								range.moveToElementText(lineChild);
 								range.move("character", start); //$NON-NLS-0$
 								range.moveEnd("character", end - start); //$NON-NLS-0$
 							}
 							rects = range.getClientRects();
 							var trailing = false;
 							if (rects.length > 0) {
 								rect = rects[0];
 								rangeLeft = (fixIE8 ? rl : rect.left) * xFactor - lineRect.left;
 								rangeRight = rect.right * xFactor - lineRect.left;
 								//TODO test for character trailing (wrong for bidi)
 								trailing = x > (rangeLeft + (rangeRight - rangeLeft) / 2);
 							}
 							// Handle Unicode surrogates
 							var offsetInLine = offset - lineStart;
 							var lineText = model.getLine(lineIndex);
 							var c = lineText.charCodeAt(offsetInLine);
 							if (0xD800 <= c && c <= 0xDBFF && trailing) {
 								if (offsetInLine < lineText.length) {
 									c = lineText.charCodeAt(offsetInLine + 1);
 									if (0xDC00 <= c && c <= 0xDFFF) {
 										offset += 1;
 									}
 								}
 							} else if (0xDC00 <= c && c <= 0xDFFF && !trailing) {
 								if (offsetInLine > 0) {
 									c = lineText.charCodeAt(offsetInLine - 1);
 									if (0xD800 <= c && c <= 0xDBFF) {
 										offset -= 1;
 									}
 								}
 							}
 							if (trailing) {
 								offset++;
 							}
 						} else {
 							var newText = [];
 							for (var q = 0; q < nodeLength; q++) {
 								newText.push("<span>"); //$NON-NLS-0$
 								if (q === nodeLength - 1) {
 									newText.push(textNode.data.substring(q));
 								} else {
 									newText.push(textNode.data.substring(q, q + 1));
 								}
 								newText.push("</span>"); //$NON-NLS-0$
 							}
 							lineChild.innerHTML = newText.join("");
 							var rangeChild = lineChild.firstChild;
 							while (rangeChild) {
 								rect = rangeChild.getBoundingClientRect();
 								rangeLeft = rect.left - lineRect.left;
 								rangeRight = rect.right - lineRect.left;
 								if (rangeLeft <= x && x < rangeRight) {
 									//TODO test for character trailing (wrong for bidi)
 									if (x > rangeLeft + (rangeRight - rangeLeft) / 2) {
 										offset++;
 									}
 									break;
 								}
 								offset++;
 								rangeChild = rangeChild.nextSibling;
 							}
 							if (!this._createdDiv) {
 								lineChild.innerHTML = "";
 								lineChild.appendChild(textNode);
 								/*
 								 * Removing the element node that holds the selection start or end
 								 * causes the selection to be lost. The fix is to detect this case
 								 * and restore the selection.
 								 */
 								var s = view._getSelection();
 								if ((offset <= s.start && s.start < offset + nodeLength) || (offset <= s.end && s.end < offset + nodeLength)) {
 									view._updateDOMSelection();
 								}
 							}
 						}
 						break done;
 					}
 				}
 				offset += nodeLength;
 				lineChild = lineChild.nextSibling;
 			}
 			return Math.min(lineEnd, Math.max(lineStart, offset));
 		},
 		/** @private */
 		getNextOffset: function (offset, data) {
 			if (data.unit === "line") { //$NON-NLS-0$
 				var view = this.view;
 				var model = view._model;
 				var lineIndex = model.getLineAtOffset(offset);
 				if (data.count > 0) {
 					data.count--;
 					return model.getLineEnd(lineIndex);
 				}
 				data.count++;
 				return model.getLineStart(lineIndex);
 			}
 			if (data.unit === "wordend" || data.unit === "wordWS" || data.unit === "wordendWS") { //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 				return this._getNextOffset_W3C(offset, data);
 			}
 			return util.isIE ? this._getNextOffset_IE(offset, data) : this._getNextOffset_W3C(offset, data);
 		},
 		/** @private */
 		_getNextOffset_W3C: function (offset, data) {
 			function _isPunctuation(c) {
 				return (33 <= c && c <= 47) || (58 <= c && c <= 64) || (91 <= c && c <= 94) || c === 96 || (123 <= c && c <= 126);
 			}
 			function _isWhitespace(c) {
 				return c === 32 || c === 9;
 			}
 			var view = this.view;
 			var model = view._model;
 			var lineIndex = model.getLineAtOffset(offset);
 			var lineText = model.getLine(lineIndex);
 			var lineStart = model.getLineStart(lineIndex);
 			var lineEnd = model.getLineEnd(lineIndex);
 			var lineLength = lineText.length;
 			var offsetInLine = offset - lineStart;
 			var c;
 			var step = data.count < 0 ? -1 : 1;
 			if (data.unit === "word" || data.unit === "wordend" || data.unit === "wordWS" || data.unit === "wordendWS") { //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 				var previousPunctuation, previousLetterOrDigit, punctuation, letterOrDigit;
 				while (data.count !== 0) {
 					if (data.count > 0) {
 						if (offsetInLine === lineLength) { return lineEnd; }
 						c = lineText.charCodeAt(offsetInLine);
 						previousPunctuation = _isPunctuation(c);
 						previousLetterOrDigit = !previousPunctuation && !_isWhitespace(c);
 						offsetInLine++;
 						while (offsetInLine < lineLength) {
 							c = lineText.charCodeAt(offsetInLine);
 							if (data.unit !== "wordWS" && data.unit !== "wordendWS") { //$NON-NLS-1$ //$NON-NLS-0$
 								punctuation = _isPunctuation(c);
 								if (data.unit === "wordend") { //$NON-NLS-0$
 									if (!punctuation && previousPunctuation) { break; }
 								} else {
 									if (punctuation && !previousPunctuation) { break; }
 								}
 								letterOrDigit  = !punctuation && !_isWhitespace(c);
 							} else {
 								letterOrDigit  = !_isWhitespace(c);
 							}
 							if (data.unit === "wordend" || data.unit === "wordendWS") { //$NON-NLS-1$ //$NON-NLS-0$
 								if (!letterOrDigit && previousLetterOrDigit) { break; }
 							} else {
 								if (letterOrDigit && !previousLetterOrDigit) { break; }
 							}
 							previousLetterOrDigit = letterOrDigit;
 							previousPunctuation = punctuation;
 							offsetInLine++;
 						}
 					} else {
 						if (offsetInLine === 0) { return lineStart; }
 						offsetInLine--;
 						c = lineText.charCodeAt(offsetInLine);
 						previousPunctuation = _isPunctuation(c);
 						previousLetterOrDigit = !previousPunctuation && !_isWhitespace(c);
 						while (0 < offsetInLine) {
 							c = lineText.charCodeAt(offsetInLine - 1);
 							if (data.unit !== "wordWS" && data.unit !== "wordendWS") { //$NON-NLS-1$ //$NON-NLS-0$
 								punctuation = _isPunctuation(c);
 								if (data.unit === "wordend") { //$NON-NLS-0$
 									if (punctuation && !previousPunctuation) { break; }
 								} else {
 									if (!punctuation && previousPunctuation) { break; }
 								}
 								letterOrDigit  = !punctuation && !_isWhitespace(c);
 							} else {
 								letterOrDigit  = !_isWhitespace(c);
 							}
 							if (data.unit === "wordend" || data.unit === "wordendWS") { //$NON-NLS-1$ //$NON-NLS-0$
 								if (letterOrDigit && !previousLetterOrDigit) { break; }
 							} else {
 								if (!letterOrDigit && previousLetterOrDigit) { break; }
 							}
 							previousLetterOrDigit = letterOrDigit;
 							previousPunctuation = punctuation;
 							offsetInLine--;
 						}
 						if (offsetInLine === 0) {
 							//get previous line
 						}
 					}
 					data.count -= step;
 				}
 			} else {
 				while (data.count !== 0 && (0 <= offsetInLine + step && offsetInLine + step <= lineLength)) {
 					offsetInLine += step;
 					c = lineText.charCodeAt(offsetInLine);
 					// Handle Unicode surrogates
 					if (0xDC00 <= c && c <= 0xDFFF) {
 						if (offsetInLine > 0) {
 							c = lineText.charCodeAt(offsetInLine - 1);
 							if (0xD800 <= c && c <= 0xDBFF) {
 								offsetInLine += step;
 							}
 						}
 					}
 					data.count -= step;
 				}
 			}
 			return lineStart + offsetInLine;
 		},
 		/** @private */
 		_getNextOffset_IE: function (offset, data) {
 			var child = this._ensureCreated();
 			var view = this.view;
 			var model = view._model;
 			var lineIndex = this.lineIndex;
 			var result = 0, range, length;
 			var lineOffset = model.getLineStart(lineIndex);
 			var document = child.ownerDocument;
 			var lineChild;
 			var step = data.count < 0 ? -1 : 1;
 			if (offset === model.getLineEnd(lineIndex)) {
 				lineChild = child.lastChild;
 				while (lineChild && lineChild.ignoreChars) {
 					lineChild = lineChild.previousSibling;
 				}
 				if (!lineChild) {
 					return lineOffset;
 				}
 				range = document.body.createTextRange();
 				range.moveToElementText(lineChild);
 				length = range.text.length;
 				range.moveEnd(data.unit, step);
 				result = offset + range.text.length - length;
 			} else if (offset === lineOffset && data.count < 0) {
 				result = lineOffset;
 			} else {
 				lineChild = child.firstChild;
 				while (lineChild) {
 					var textNode = lineChild.firstChild;
 					var nodeLength = textNode.length;
 					if (lineChild.ignoreChars) {
 						nodeLength -= lineChild.ignoreChars;
 					}
 					if (lineOffset + nodeLength > offset) {
 						range = document.body.createTextRange();
 						if (offset === lineOffset && data.count < 0) {
 							range.moveToElementText(lineChild.previousSibling);
 						} else {
 							range.moveToElementText(lineChild);
 							range.collapse();
 							range.moveEnd("character", offset - lineOffset); //$NON-NLS-0$
 						}
 						length = range.text.length;
 						range.moveEnd(data.unit, step);
 						result = offset + range.text.length - length;
 						break;
 					}
 					lineOffset = nodeLength + lineOffset;
 					lineChild = lineChild.nextSibling;
 				}
 			}
 			data.count -= step;
 			return result;
 		},
 		/** @private */
 		destroy: function() {
 			var div = this._createdDiv;
 			if (div) {
 				div.parentNode.removeChild(div);
 				this._createdDiv = null;
 			}
 		}
 	};

 	/**
 	 * @class This object describes the options for the text view.
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.TextView}<br/>
 	 * {@link orion.editor.TextView#setOptions}
 	 * {@link orion.editor.TextView#getOptions}
 	 * </p>
 	 * @name orion.editor.TextViewOptions
 	 *
 	 * @property {String|DOMElement} parent the parent element for the view, it can be either a DOM element or an ID for a DOM element.
 	 * @property {orion.editor.TextModel} [model] the text model for the view. If it is not set the view creates an empty {@link orion.editor.TextModel}.
 	 * @property {Boolean} [readonly=false] whether or not the view is read-only.
 	 * @property {Boolean} [fullSelection=true] whether or not the view is in full selection mode.
 	 * @property {Boolean} [tabMode=true] whether or not the tab keypress is consumed by the view or is used for focus traversal.
 	 * @property {Boolean} [expandTab=false] whether or not the tab key inserts white spaces.
 	 * @property {orion.editor.TextTheme} [theme=orion.editor.TextTheme.getTheme()] the TextTheme manager. TODO more info on this
 	 * @property {String} [themeClass] the CSS class for the view theming.
 	 * @property {Number} [tabSize=8] The number of spaces in a tab.
 	 * @property {Boolean} [overwriteMode=false] whether or not the view is in insert/overwrite mode.
 	 * @property {Boolean} [singleMode=false] whether or not the editor is in single line mode.
 	 * @property {Boolean} [wrapMode=false] whether or not the view wraps lines.
 	 * @property {Boolean} [wrapable=false] whether or not the view is wrappable.
 	 * @property {Number} [scrollAnimation=0] the time duration in miliseconds for scrolling animation. <code>0</code> means no animation.
 	 * @property {Boolean} [blockCursorVisible=false] whether or not to show the block cursor.
 	 */
 	/**
 	 * Constructs a new text view.
 	 *
 	 * @param {orion.editor.TextViewOptions} options the view options.
 	 *
 	 * @class A TextView is a user interface for editing text.
 	 * @name orion.editor.TextView
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	function TextView (options) {
 		this._init(options || {});
 	}

 	TextView.prototype = /** @lends orion.editor.TextView.prototype */ {
 		/**
 		 * Adds a keyMode to the text view at the specified position.
 		 *
 		 * @param {orion.editor.KeyMode} mode the editor keyMode.
 		 * @param {Number} [index=length] the index.
 		 */
 		addKeyMode: function(mode, index) {
 			var keyModes = this._keyModes;
 			if (index !== undefined) {
 				keyModes.splice(index, 0, mode);
 			} else {
 				keyModes.push(mode);
 			}
 			//TODO: API needed for this
 			if (mode._modeAdded) {
 				mode._modeAdded();
 			}
 		},
 		/**
 		 * Adds a ruler to the text view at the specified position.
 		 * <p>
 		 * The position is relative to the ruler location.
 		 * </p>
 		 *
 		 * @param {orion.editor.Ruler} ruler the ruler.
 		 * @param {Number} [index=length] the ruler index.
 		 */
 		addRuler: function (ruler, index) {
 			ruler.setView(this);
 			var rulers = this._rulers;
 			if (index !== undefined) {
 				var i, sideIndex;
 				for (i = 0, sideIndex=0; i < rulers.length && sideIndex < index; i++) {
 					if (ruler.getLocation() === rulers[i].getLocation()) {
 						sideIndex++;
 					}
 				}
 				rulers.splice(sideIndex, 0, ruler);
 				index = sideIndex;
 			} else {
 				rulers.push(ruler);
 			}
 			this._createRuler(ruler, index);
 			this._update();
 		},
 		computeSize: function() {
 			var w = 0, h = 0;
 			var model = this._model, clientDiv = this._clientDiv;
 			if (!clientDiv) { return {width: w, height: h}; }
 			var clientWidth = clientDiv.style.width;
 			/*
 			* Feature in WekKit. Webkit limits the width of the lines
 			* computed below to the width of the client div.  This causes
 			* the lines to be wrapped even though "pre" is set.  The fix
 			* is to set the width of the client div to a "0x7fffffffpx"
 			* before computing the lines width.  Note that this value is
 			* reset to the appropriate value further down.
 			*/
 			if (util.isWebkit) {
 				clientDiv.style.width = "0x7fffffffpx"; //$NON-NLS-0$
 			}
 			var lineCount = model.getLineCount();
 			for (var lineIndex=0; lineIndex<lineCount; lineIndex++) {
 				var line = this._getLine(lineIndex);
 				var rect = line.getBoundingClientRect();
 				w = Math.max(w, rect.right - rect.left);
 				h += rect.bottom - rect.top;
 				line.destroy();
 			}
 			if (util.isWebkit) {
 				clientDiv.style.width = clientWidth;
 			}
 			var viewPadding = this._getViewPadding();
 			w += viewPadding.right + viewPadding.left + this._metrics.scrollWidth;
 			h += viewPadding.bottom + viewPadding.top + this._metrics.scrollWidth;
 			return {width: w, height: h};
 		},
 		/**
 		 * Converts the given rectangle from one coordinate spaces to another.
 		 * <p>The supported coordinate spaces are:
 		 * <ul>
 		 *   <li>"document" - relative to document, the origin is the top-left corner of first line</li>
 		 *   <li>"page" - relative to html page that contains the text view</li>
 		 * </ul>
 		 * </p>
 		 * <p>All methods in the view that take or return a position are in the document coordinate space.</p>
 		 *
 		 * @param rect the rectangle to convert.
 		 * @param rect.x the x of the rectangle.
 		 * @param rect.y the y of the rectangle.
 		 * @param rect.width the width of the rectangle.
 		 * @param rect.height the height of the rectangle.
 		 * @param {String} from the source coordinate space.
 		 * @param {String} to the destination coordinate space.
 		 *
 		 * @see orion.editor.TextView#getLocationAtOffset
 		 * @see orion.editor.TextView#getOffsetAtLocation
 		 * @see orion.editor.TextView#getTopPixel
 		 * @see orion.editor.TextView#setTopPixel
 		 */
 		convert: function(rect, from, to) {
 			if (!this._clientDiv) { return; }
 			var scroll = this._getScroll();
 			var viewPad = this._getViewPadding();
 			var viewRect = this._viewDiv.getBoundingClientRect();
 			if (from === "document") { //$NON-NLS-0$
 				if (rect.x !== undefined) {
 					rect.x += - scroll.x + viewRect.left + viewPad.left;
 				}
 				if (rect.y !== undefined) {
 					rect.y += - scroll.y + viewRect.top + viewPad.top;
 				}
 			}
 			//At this point rect is in the widget coordinate space
 			if (to === "document") { //$NON-NLS-0$
 				if (rect.x !== undefined) {
 					rect.x += scroll.x - viewRect.left - viewPad.left;
 				}
 				if (rect.y !== undefined) {
 					rect.y += scroll.y - viewRect.top - viewPad.top;
 				}
 			}
 			return rect;
 		},
 		/**
 		 * Destroys the text view.
 		 * <p>
 		 * Removes the view from the page and frees all resources created by the view.
 		 * Calling this function causes the "Destroy" event to be fire so that all components
 		 * attached to view can release their references.
 		 * </p>
 		 *
 		 * @see orion.editor.TextView#onDestroy
 		 */
 		destroy: function() {
 			/* Destroy rulers*/
 			for (var i=0; i< this._rulers.length; i++) {
 				this._rulers[i].setView(null);
 			}
 			this.rulers = null;

 			this._destroyView();

 			var e = {type: "Destroy"}; //$NON-NLS-0$
 			this.onDestroy(e);

 			this._parent = null;
 			this._model = null;
 			this._theme = null;
 			this._selection = null;
 			this._doubleClickSelection = null;
 			this._keyModes = null;
 			this._actions = null;
 		},
 		/**
 		 * Gives focus to the text view.
 		 */
 		focus: function() {
 			if (!this._clientDiv) { return; }
 			/*
 			* Feature in Chrome. When focus is called in the clientDiv without
 			* setting selection the browser will set the selection to the first dom
 			* element, which can be above the client area. When this happen the
 			* browser also scrolls the window to show that element.
 			* The fix is to call _updateDOMSelection() before calling focus().
 			*/
 			this._updateDOMSelection();
 			this._clientDiv.focus();
 			/*
 			* Feature in Safari. When focus is called the browser selects the clientDiv
 			* itself. The fix is to call _updateDOMSelection() after calling focus().
 			*/
 			this._updateDOMSelection();
 		},
 		/**
 		 * Check if the text view has focus.
 		 *
 		 * @returns {Boolean} <code>true</code> if the text view has focus, otherwise <code>false</code>.
 		 */
 		hasFocus: function() {
 			return this._hasFocus;
 		},
 		/**
 		 * Returns the action description for a given action ID.
 		 *
 		 * @returns {orion.editor.ActionDescrition} the action description
 		 */
 		getActionDescription: function(actionID) {
 			var action = this._actions[actionID];
 			if (action) {
 				return action.actionDescription;
 			}
 			return undefined;
 		},
 		/**
 		 * Returns all action IDs defined in the text view.
 		 * <p>
 		 * There are two types of actions, the predefined actions of the view
 		 * and the actions added by application code.
 		 * </p>
 		 * <p>
 		 * The predefined actions are:
 		 * <ul>
 		 *   <li>Navigation actions. These actions move the caret collapsing the selection.</li>
 		 *     <ul>
 		 *       <li>"lineUp" - moves the caret up by one line</li>
 		 *       <li>"lineDown" - moves the caret down by one line</li>
 		 *       <li>"lineStart" - moves the caret to beginning of the current line</li>
 		 *       <li>"lineEnd" - moves the caret to end of the current line </li>
 		 *       <li>"charPrevious" - moves the caret to the previous character</li>
 		 *       <li>"charNext" - moves the caret to the next character</li>
 		 *       <li>"pageUp" - moves the caret up by one page</li>
 		 *       <li>"pageDown" - moves the caret down by one page</li>
 		 *       <li>"wordPrevious" - moves the caret to the previous word</li>
 		 *       <li>"wordNext" - moves the caret to the next word</li>
 		 *       <li>"textStart" - moves the caret to the beginning of the document</li>
 		 *       <li>"textEnd" - moves the caret to the end of the document</li>
 		 *     </ul>
 		 *   <li>Selection actions. These actions move the caret extending the selection.</li>
 		 *     <ul>
 		 *       <li>"selectLineUp" - moves the caret up by one line</li>
 		 *       <li>"selectLineDown" - moves the caret down by one line</li>
 		 *       <li>"selectLineStart" - moves the caret to beginning of the current line</li>
 		 *       <li>"selectLineEnd" - moves the caret to end of the current line </li>
 		 *       <li>"selectCharPrevious" - moves the caret to the previous character</li>
 		 *       <li>"selectCharNext" - moves the caret to the next character</li>
 		 *       <li>"selectPageUp" - moves the caret up by one page</li>
 		 *       <li>"selectPageDown" - moves the caret down by one page</li>
 		 *       <li>"selectWordPrevious" - moves the caret to the previous word</li>
 		 *       <li>"selectWordNext" - moves the caret to the next word</li>
 		 *       <li>"selectTextStart" - moves the caret to the beginning of the document</li>
 		 *       <li>"selectTextEnd" - moves the caret to the end of the document</li>
 		 *       <li>"selectAll" - selects the entire document</li>
 		 *     </ul>
 		 *   <li>Edit actions. These actions modify the text view text</li>
 		 *     <ul>
 		 *       <li>"deletePrevious" - deletes the character preceding the caret</li>
 		 *       <li>"deleteNext" - deletes the charecter following the caret</li>
 		 *       <li>"deleteWordPrevious" - deletes the word preceding the caret</li>
 		 *       <li>"deleteWordNext" - deletes the word following the caret</li>
 		 *       <li>"tab" - inserts a tab character at the caret</li>
 		 *       <li>"shiftTab" - noop</li>
 		 *       <li>"toggleTabMode" - toggles tab mode.</li>
 		 *       <li>"toggleWrapMode" - toggles wrap mode.</li>
 		 *       <li>"toggleOverwriteMode" - toggles overwrite mode.</li>
 		 *       <li>"enter" - inserts a line delimiter at the caret</li>
 		 *     </ul>
 		 *   <li>Clipboard actions.</li>
 		 *     <ul>
 		 *       <li>"copy" - copies the selected text to the clipboard</li>
 		 *       <li>"cut" - copies the selected text to the clipboard and deletes the selection</li>
 		 *       <li>"paste" - replaces the selected text with the clipboard contents</li>
 		 *     </ul>
 		 * </ul>
 		 * </p>
 		 *
 		 * @param {Boolean} [defaultAction=false] whether or not the predefined actions are included.
 		 * @returns {String[]} an array of action IDs defined in the text view.
 		 *
 		 * @see orion.editor.TextView#invokeAction
 		 * @see orion.editor.TextView#setAction
 		 * @see orion.editor.TextView#setKeyBinding
 		 * @see orion.editor.TextView#getKeyBindings
 		 */
 		getActions: function (defaultAction) {
 			var result = [];
 			var actions = this._actions;
 			for (var i in actions) {
 				if (actions.hasOwnProperty(i)) {
 					if (!defaultAction && actions[i].defaultHandler) { continue; }
 					result.push(i);
 				}
 			}
 			return result;
 		},
 		/**
 		 * Returns the bottom index.
 		 * <p>
 		 * The bottom index is the line that is currently at the bottom of the view.  This
 		 * line may be partially visible depending on the vertical scroll of the view. The parameter
 		 * <code>fullyVisible</code> determines whether to return only fully visible lines.
 		 * </p>
 		 *
 		 * @param {Boolean} [fullyVisible=false] if <code>true</code>, returns the index of the last fully visible line. This
 		 *    parameter is ignored if the view is not big enough to show one line.
 		 * @returns {Number} the index of the bottom line.
 		 *
 		 * @see orion.editor.TextView#getTopIndex
 		 * @see orion.editor.TextView#setTopIndex
 		 */
 		getBottomIndex: function(fullyVisible) {
 			if (!this._clientDiv) { return 0; }
 			return this._getBottomIndex(fullyVisible);
 		},
 		/**
 		 * Returns the bottom pixel.
 		 * <p>
 		 * The bottom pixel is the pixel position that is currently at
 		 * the bottom edge of the view.  This position is relative to the
 		 * beginning of the document.
 		 * </p>
 		 *
 		 * @returns {Number} the bottom pixel.
 		 *
 		 * @see orion.editor.TextView#getTopPixel
 		 * @see orion.editor.TextView#setTopPixel
 		 * @see orion.editor.TextView#convert
 		 */
 		getBottomPixel: function() {
 			if (!this._clientDiv) { return 0; }
 			return this._getScroll().y + this._getClientHeight();
 		},
 		/**
 		 * Returns the caret offset relative to the start of the document.
 		 *
 		 * @returns {Number} the caret offset relative to the start of the document.
 		 *
 		 * @see orion.editor.TextView#setCaretOffset
 		 * @see orion.editor.TextView#setSelection
 		 * @see orion.editor.TextView#getSelection
 		 */
 		getCaretOffset: function () {
 			var s = this._getSelection();
 			return s.getCaret();
 		},
 		/**
 		 * Returns the client area.
 		 * <p>
 		 * The client area is the portion in pixels of the document that is visible. The
 		 * client area position is relative to the beginning of the document.
 		 * </p>
 		 *
 		 * @returns {Object} the client area rectangle {x, y, width, height}.
 		 *
 		 * @see orion.editor.TextView#getTopPixel
 		 * @see orion.editor.TextView#getBottomPixel
 		 * @see orion.editor.TextView#getHorizontalPixel
 		 * @see orion.editor.TextView#convert
 		 */
 		getClientArea: function() {
 			if (!this._clientDiv) { return {x: 0, y: 0, width: 0, height: 0}; }
 			var scroll = this._getScroll();
 			return {x: scroll.x, y: scroll.y, width: this._getClientWidth(), height: this._getClientHeight()};
 		},
 		/**
 		 * Returns the horizontal pixel.
 		 * <p>
 		 * The horizontal pixel is the pixel position that is currently at
 		 * the left edge of the view.  This position is relative to the
 		 * beginning of the document.
 		 * </p>
 		 *
 		 * @returns {Number} the horizontal pixel.
 		 *
 		 * @see orion.editor.TextView#setHorizontalPixel
 		 * @see orion.editor.TextView#convert
 		 */
 		getHorizontalPixel: function() {
 			if (!this._clientDiv) { return 0; }
 			return this._getScroll().x;
 		},
 		/**
 		 * Returns all the key bindings associated to the given action ID.
 		 *
 		 * @param {String} actionID the action ID.
 		 * @returns {orion.editor.KeyBinding[]} the array of key bindings associated to the given action ID.
 		 *
 		 * @see orion.editor.TextView#setKeyBinding
 		 * @see orion.editor.TextView#setAction
 		 */
 		getKeyBindings: function (actionID) {
 			var result = [];
 			var keyModes = this._keyModes;
 			for (var i = 0; i < keyModes.length; i++) {
 				result = result.concat(keyModes[i].getKeyBindings(actionID));
 			}
 			return result;
 		},
 		/**
 		 * Returns all the key modes added to text view.
 		 *
 		 * @returns {orion.editor.KeyMode[]} the array of key modes.
 		 *
 		 * @see orion.editor.TextView#addKeyMode
 		 * @see orion.editor.TextView#removeKeyMode
 		 */
 		getKeyModes: function() {
 			return this._keyModes.slice(0);
 		},
 		/**
 		 * Returns the line height for a given line index.  Returns the default line
 		 * height if the line index is not specified.
 		 *
 		 * @param {Number} [lineIndex] the line index.
 		 * @returns {Number} the height of the line in pixels.
 		 *
 		 * @see orion.editor.TextView#getLinePixel
 		 */
 		getLineHeight: function(lineIndex) {
 			if (!this._clientDiv) { return 0; }
 			return this._getLineHeight(lineIndex);
 		},
 		/**
 		 * Returns the line index for a given line pixel position relative to the document.
 		 *
 		 * @param {Number} [y] the line pixel.
 		 * @returns {Number} the line index for the specified pixel position.
 		 *
 		 * @see orion.editor.TextView#getLinePixel
 		 */
 		getLineIndex: function(y) {
 			if (!this._clientDiv) { return 0; }
 			return this._getLineIndex(y);
 		},
 		/**
 		 * Returns the top pixel position of a given line index relative to the beginning
 		 * of the document.
 		 * <p>
 		 * Clamps out of range indices.
 		 * </p>
 		 *
 		 * @param {Number} lineIndex the line index.
 		 * @returns {Number} the pixel position of the line.
 		 *
 		 * @see orion.editor.TextView#setTopPixel
 		 * @see orion.editor.TextView#getLineIndex
 		 * @see orion.editor.TextView#convert
 		 */
 		getLinePixel: function(lineIndex) {
 			if (!this._clientDiv) { return 0; }
 			return this._getLinePixel(lineIndex);
 		},
 		/**
 		 * Returns the {x, y} pixel location of the top-left corner of the character
 		 * bounding box at the specified offset in the document.  The pixel location
 		 * is relative to the document.
 		 * <p>
 		 * Clamps out of range offsets.
 		 * </p>
 		 *
 		 * @param {Number} offset the character offset
 		 * @returns {Object} the {x, y} pixel location of the given offset.
 		 *
 		 * @see orion.editor.TextView#getOffsetAtLocation
 		 * @see orion.editor.TextView#convert
 		 */
 		getLocationAtOffset: function(offset) {
 			if (!this._clientDiv) { return {x: 0, y: 0}; }
 			var model = this._model;
 			offset = Math.min(Math.max(0, offset), model.getCharCount());
 			var lineIndex = model.getLineAtOffset(offset);
 			var line = this._getLine(lineIndex);
 			var rect = line.getBoundingClientRect(offset);
 			line.destroy();
 			var x = rect.left;
 			var y = this._getLinePixel(lineIndex) + rect.top;
 			return {x: x, y: y};
 		},
 		/**
 		 * Returns the specified view options.
 		 * <p>
 		 * The returned value is either a <code>orion.editor.TextViewOptions</code> or an option value. An option value is returned when only one string paremeter
 		 * is specified. A <code>orion.editor.TextViewOptions</code> is returned when there are no paremeters, or the parameters are a list of options names or a
 		 * <code>orion.editor.TextViewOptions</code>. All view options are returned when there no paremeters.
 		 * </p>
 		 *
 		 * @param {String|orion.editor.TextViewOptions} [options] The options to return.
 		 * @return {Object|orion.editor.TextViewOptions} The requested options or an option value.
 		 *
 		 * @see orion.editor.TextView#setOptions
 		 */
 		getOptions: function() {
 			var options;
 			if (arguments.length === 0) {
 				options = this._defaultOptions();
 			} else if (arguments.length === 1) {
 				var arg = arguments[0];
 				if (typeof arg === "string") { //$NON-NLS-0$
 					return clone(this["_" + arg]); //$NON-NLS-0$
 				}
 				options = arg;
 			} else {
 				options = {};
 				for (var index in arguments) {
 					if (arguments.hasOwnProperty(index)) {
 						options[arguments[index]] = undefined;
 					}
 				}
 			}
 			for (var option in options) {
 				if (options.hasOwnProperty(option)) {
 					options[option] = clone(this["_" + option]); //$NON-NLS-0$
 				}
 			}
 			return options;
 		},
 		/**
 		 * Returns the text model of the text view.
 		 *
 		 * @returns {orion.editor.TextModel} the text model of the view.
 		 */
 		getModel: function() {
 			return this._model;
 		},
 		/**
 		 * Returns the character offset nearest to the given pixel location.  The
 		 * pixel location is relative to the document.
 		 *
 		 * @param x the x of the location
 		 * @param y the y of the location
 		 * @returns {Number} the character offset at the given location.
 		 *
 		 * @see orion.editor.TextView#getLocationAtOffset
 		 */
 		getOffsetAtLocation: function(x, y) {
 			if (!this._clientDiv) { return 0; }
 			var lineIndex = this._getLineIndex(y);
 			var line = this._getLine(lineIndex);
 			var offset = line.getOffset(x, y - this._getLinePixel(lineIndex));
 			line.destroy();
 			return offset;
 		},
 		/**
 		 * Get the view rulers.
 		 *
 		 * @returns {orion.editor.Ruler[]} the view rulers
 		 *
 		 * @see orion.editor.TextView#addRuler
 		 */
 		getRulers: function() {
 			return this._rulers.slice(0);
 		},
 		/**
 		 * Returns the text view selection.
 		 * <p>
 		 * The selection is defined by a start and end character offset relative to the
 		 * document. The character at end offset is not included in the selection.
 		 * </p>
 		 *
 		 * @returns {orion.editor.Selection} the view selection
 		 *
 		 * @see orion.editor.TextView#setSelection
 		 */
 		getSelection: function () {
 			var s = this._getSelection();
 			return {start: s.start, end: s.end};
 		},
 		/**
 		 * Returns the text for the given range.
 		 * <p>
 		 * The text does not include the character at the end offset.
 		 * </p>
 		 *
 		 * @param {Number} [start=0] the start offset of text range.
 		 * @param {Number} [end=char count] the end offset of text range.
 		 *
 		 * @see orion.editor.TextView#setText
 		 */
 		getText: function(start, end) {
 			var model = this._model;
 			return model.getText(start, end);
 		},
 		/**
 		 * Returns the top index.
 		 * <p>
 		 * The top index is the line that is currently at the top of the view.  This
 		 * line may be partially visible depending on the vertical scroll of the view. The parameter
 		 * <code>fullyVisible</code> determines whether to return only fully visible lines.
 		 * </p>
 		 *
 		 * @param {Boolean} [fullyVisible=false] if <code>true</code>, returns the index of the first fully visible line. This
 		 *    parameter is ignored if the view is not big enough to show one line.
 		 * @returns {Number} the index of the top line.
 		 *
 		 * @see orion.editor.TextView#getBottomIndex
 		 * @see orion.editor.TextView#setTopIndex
 		 */
 		getTopIndex: function(fullyVisible) {
 			if (!this._clientDiv) { return 0; }
 			return this._getTopIndex(fullyVisible);
 		},
 		/**
 		 * Returns the top pixel.
 		 * <p>
 		 * The top pixel is the pixel position that is currently at
 		 * the top edge of the view.  This position is relative to the
 		 * beginning of the document.
 		 * </p>
 		 *
 		 * @returns {Number} the top pixel.
 		 *
 		 * @see orion.editor.TextView#getBottomPixel
 		 * @see orion.editor.TextView#setTopPixel
 		 * @see orion.editor.TextView#convert
 		 */
 		getTopPixel: function() {
 			if (!this._clientDiv) { return 0; }
 			return this._getScroll().y;
 		},
 		/**
 		 * Executes the action handler associated with the given action ID.
 		 * <p>
 		 * The application defined action takes precedence over predefined actions unless
 		 * the <code>defaultAction</code> paramater is <code>true</code>.
 		 * </p>
 		 * <p>
 		 * If the application defined action returns <code>false</code>, the text view predefined
 		 * action is executed if present.
 		 * </p>
 		 *
 		 * @param {String} actionID the action ID.
 		 * @param {Boolean} [defaultAction] whether to always execute the predefined action only.
 		 * @param {Object} [actionOptions] action specific options to be passed to the action handlers.
 		 * @returns {Boolean} <code>true</code> if the action was executed.
 		 *
 		 * @see orion.editor.TextView#setAction
 		 * @see orion.editor.TextView#getActions
 		 */
 		invokeAction: function (actionID, defaultAction, actionOptions) {
 			if (!this._clientDiv) { return; }
 			var action = this._actions[actionID];
 			if (action) {
 				if (!defaultAction && action.handler) {
 					if (action.handler(actionOptions)) {
 						return true;
 					}
 				}
 				if (action.defaultHandler) {
 					return typeof action.defaultHandler(actionOptions) === "boolean"; //$NON-NLS-0$
 				}
 			}
 			return false;
 		},
 		/**
 		* Returns if the view is destroyed.
 		* @returns {Boolean} <code>true</code> if the view is destroyed.
 		*/
 		isDestroyed: function () {
 			return !this._clientDiv;
 		},
 		/**
 		 * @class This is the event sent when the user right clicks or otherwise invokes the context menu of the view.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onContextMenu}
 		 * </p>
 		 *
 		 * @name orion.editor.ContextMenuEvent
 		 *
 		 * @property {Number} x The pointer location on the x axis, relative to the document the user is editing.
 		 * @property {Number} y The pointer location on the y axis, relative to the document the user is editing.
 		 * @property {Number} screenX The pointer location on the x axis, relative to the screen. This is copied from the DOM contextmenu event.screenX property.
 		 * @property {Number} screenY The pointer location on the y axis, relative to the screen. This is copied from the DOM contextmenu event.screenY property.
 		 * @property {Boolean} defaultPrevented Determines whether the user agent context menu should be shown. It is shown by default.
 		 * @property {Function} preventDefault If called prevents the user agent context menu from showing.
 		 */
 		/**
 		 * This event is sent when the user invokes the view context menu.
 		 *
 		 * @event
 		 * @param {orion.editor.ContextMenuEvent} contextMenuEvent the event
 		 */
 		onContextMenu: function(contextMenuEvent) {
 			return this.dispatchEvent(contextMenuEvent);
 		},
 		onDragStart: function(dragEvent) {
 			return this.dispatchEvent(dragEvent);
 		},
 		onDrag: function(dragEvent) {
 			return this.dispatchEvent(dragEvent);
 		},
 		onDragEnd: function(dragEvent) {
 			return this.dispatchEvent(dragEvent);
 		},
 		onDragEnter: function(dragEvent) {
 			return this.dispatchEvent(dragEvent);
 		},
 		onDragOver: function(dragEvent) {
 			return this.dispatchEvent(dragEvent);
 		},
 		onDragLeave: function(dragEvent) {
 			return this.dispatchEvent(dragEvent);
 		},
 		onDrop: function(dragEvent) {
 			return this.dispatchEvent(dragEvent);
 		},
 		/**
 		 * @class This is the event sent when the text view is destroyed.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onDestroy}
 		 * </p>
 		 * @name orion.editor.DestroyEvent
 		 */
 		/**
 		 * This event is sent when the text view has been destroyed.
 		 *
 		 * @event
 		 * @param {orion.editor.DestroyEvent} destroyEvent the event
 		 *
 		 * @see orion.editor.TextView#destroy
 		 */
 		onDestroy: function(destroyEvent) {
 			return this.dispatchEvent(destroyEvent);
 		},
 		/**
 		 * @class This object is used to define style information for the text view.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onLineStyle}
 		 * </p>
 		 * @name orion.editor.Style
 		 *
 		 * @property {String} styleClass A CSS class name.
 		 * @property {Object} style An object with CSS properties.
 		 * @property {String} tagName A DOM tag name.
 		 * @property {Object} attributes An object with DOM attributes.
 		 */
 		/**
 		 * @class This object is used to style range.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onLineStyle}
 		 * </p>
 		 * @name orion.editor.StyleRange
 		 *
 		 * @property {Number} start The start character offset, relative to the document, where the style should be applied.
 		 * @property {Number} end The end character offset (exclusive), relative to the document, where the style should be applied.
 		 * @property {orion.editor.Style} style The style for the range.
 		 */
 		/**
 		 * @class This is the event sent when the text view needs the style information for a line.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onLineStyle}
 		 * </p>
 		 * @name orion.editor.LineStyleEvent
 		 *
 		 * @property {orion.editor.TextView} textView The text view.
 		 * @property {Number} lineIndex The line index.
 		 * @property {String} lineText The line text.
 		 * @property {Number} lineStart The character offset, relative to document, of the first character in the line.
 		 * @property {orion.editor.Style} style The style for the entire line (output argument).
 		 * @property {orion.editor.StyleRange[]} ranges An array of style ranges for the line (output argument).
 		 */
 		/**
 		 * This event is sent when the text view needs the style information for a line.
 		 *
 		 * @event
 		 * @param {orion.editor.LineStyleEvent} lineStyleEvent the event
 		 */
 		onLineStyle: function(lineStyleEvent) {
 			return this.dispatchEvent(lineStyleEvent);
 		},
 		/**
 		 * @class This is the event sent for all keyboard events.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onKeyDown}<br/>
 		 * {@link orion.editor.TextView#event:onKeyPress}<br/>
 		 * {@link orion.editor.TextView#event:onKeyUp}<br/>
 		 * </p>
 		 * @name orion.editor.KeyEvent
 		 *
 		 * @property {String} type The type of event.
 		 * @property {DOMEvent} event The key DOM event.
 		 * @property {Boolean} defaultPrevented Determines whether the user agent context menu should be shown. It is shown by default.
 		 * @property {Function} preventDefault If called prevents the user agent context menu from showing.
 		 */
 		/**
 		 * This event is sent for key down events.
 		 *
 		 * @event
 		 * @param {orion.editor.KeyEvent} keyEvent the event
 		 */
 		onKeyDown: function(keyEvent) {
 			return this.dispatchEvent(keyEvent);
 		},
 		/**
 		 * This event is sent for key press events. Key press events are only sent
 		 * for printable characters.
 		 *
 		 * @event
 		 * @param {orion.editor.KeyEvent} keyEvent the event
 		 */
 		onKeyPress: function(keyEvent) {
 			return this.dispatchEvent(keyEvent);
 		},
 		/**
 		 * This event is sent for key up events.
 		 *
 		 * @event
 		 * @param {orion.editor.KeyEvent} keyEvent the event
 		 */
 		onKeyUp: function(keyEvent) {
 			return this.dispatchEvent(keyEvent);
 		},
 		/**
 		 * @class This is the event sent when the text in the model has changed.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onModelChanged}<br/>
 		 * {@link orion.editor.TextModel#onChanged}
 		 * </p>
 		 * @name orion.editor.ModelChangedEvent
 		 *
 		 * @property {Number} start The character offset in the model where the change has occurred.
 		 * @property {Number} removedCharCount The number of characters removed from the model.
 		 * @property {Number} addedCharCount The number of characters added to the model.
 		 * @property {Number} removedLineCount The number of lines removed from the model.
 		 * @property {Number} addedLineCount The number of lines added to the model.
 		 */
 		/**
 		 * This event is sent when the text in the model has changed.
 		 *
 		 * @event
 		 * @param {orion.editor.ModelChangedEvent} modelChangedEvent the event
 		 */
 		onModelChanged: function(modelChangedEvent) {
 			return this.dispatchEvent(modelChangedEvent);
 		},
 		/**
 		 * @class This is the event sent when the text in the model is about to change.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onModelChanging}<br/>
 		 * {@link orion.editor.TextModel#onChanging}
 		 * </p>
 		 * @name orion.editor.ModelChangingEvent
 		 *
 		 * @property {String} text The text that is about to be inserted in the model.
 		 * @property {Number} start The character offset in the model where the change will occur.
 		 * @property {Number} removedCharCount The number of characters being removed from the model.
 		 * @property {Number} addedCharCount The number of characters being added to the model.
 		 * @property {Number} removedLineCount The number of lines being removed from the model.
 		 * @property {Number} addedLineCount The number of lines being added to the model.
 		 */
 		/**
 		 * This event is sent when the text in the model is about to change.
 		 *
 		 * @event
 		 * @param {orion.editor.ModelChangingEvent} modelChangingEvent the event
 		 */
 		onModelChanging: function(modelChangingEvent) {
 			return this.dispatchEvent(modelChangingEvent);
 		},
 		/**
 		 * @class This is the event sent when the text is modified by the text view.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onModify}
 		 * </p>
 		 * @name orion.editor.ModifyEvent
 		 */
 		/**
 		 * This event is sent when the text view has changed text in the model.
 		 * <p>
 		 * If the text is changed directly through the model API, this event
 		 * is not sent.
 		 * </p>
 		 *
 		 * @event
 		 * @param {orion.editor.ModifyEvent} modifyEvent the event
 		 */
 		onModify: function(modifyEvent) {
 			return this.dispatchEvent(modifyEvent);
 		},
 		onMouseDown: function(mouseEvent) {
 			return this.dispatchEvent(mouseEvent);
 		},
 		onMouseUp: function(mouseEvent) {
 			return this.dispatchEvent(mouseEvent);
 		},
 		onMouseMove: function(mouseEvent) {
 			return this.dispatchEvent(mouseEvent);
 		},
 		onMouseOver: function(mouseEvent) {
 			return this.dispatchEvent(mouseEvent);
 		},
 		onMouseOut: function(mouseEvent) {
 			return this.dispatchEvent(mouseEvent);
 		},
 		/**
 		 * @class This is the event sent when the selection changes in the text view.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onSelection}
 		 * </p>
 		 * @name orion.editor.SelectionEvent
 		 *
 		 * @property {orion.editor.Selection} oldValue The old selection.
 		 * @property {orion.editor.Selection} newValue The new selection.
 		 */
 		/**
 		 * This event is sent when the text view selection has changed.
 		 *
 		 * @event
 		 * @param {orion.editor.SelectionEvent} selectionEvent the event
 		 */
 		onSelection: function(selectionEvent) {
 			return this.dispatchEvent(selectionEvent);
 		},
 		/**
 		 * @class This is the event sent when the text view scrolls.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onScroll}
 		 * </p>
 		 * @name orion.editor.ScrollEvent
 		 *
 		 * @property {Object} oldValue The old scroll {x,y}.
 		 * @property {Object} newValue The new scroll {x,y}.
 		 */
 		/**
 		 * This event is sent when the text view scrolls vertically or horizontally.
 		 *
 		 * @event
 		 * @param {orion.editor.ScrollEvent} scrollEvent the event
 		 */
 		onScroll: function(scrollEvent) {
 			return this.dispatchEvent(scrollEvent);
 		},
 		/**
 		 * @class This is the event sent when the text is about to be modified by the text view.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onVerify}
 		 * </p>
 		 * @name orion.editor.VerifyEvent
 		 *
 		 * @property {String} text The text being inserted.
 		 * @property {Number} start The start offset of the text range to be replaced.
 		 * @property {Number} end The end offset (exclusive) of the text range to be replaced.
 		 */
 		/**
 		 * This event is sent when the text view is about to change text in the model.
 		 * <p>
 		 * If the text is changed directly through the model API, this event
 		 * is not sent.
 		 * </p>
 		 * <p>
 		 * Listeners are allowed to change these parameters. Setting text to null
 		 * or undefined stops the change.
 		 * </p>
 		 *
 		 * @event
 		 * @param {orion.editor.VerifyEvent} verifyEvent the event
 		 */
 		onVerify: function(verifyEvent) {
 			return this.dispatchEvent(verifyEvent);
 		},
 		/**
 		 * @class This is the event sent when the text view is focused.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onFocus}<br/>
 		 * </p>
 		 * @name orion.editor.FocusEvent
 		 */
 		/**
 		 * This event is sent when the text view is focused.
 		 *
 		 * @event
 		 * @param {orion.editor.FocusEvent} focusEvent the event
 		 */
 		onFocus: function(focusEvent) {
 			return this.dispatchEvent(focusEvent);
 		},
 		/**
 		 * @class This is the event sent when the text view goes out of focus.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#event:onBlur}<br/>
 		 * </p>
 		 * @name orion.editor.BlurEvent
 		 */
 		/**
 		 * This event is sent when the text view goes out of focus.
 		 *
 		 * @event
 		 * @param {orion.editor.BlurEvent} blurEvent the event
 		 */
 		onBlur: function(blurEvent) {
 			return this.dispatchEvent(blurEvent);
 		},
 		/**
 		 * Redraws the entire view, including rulers.
 		 *
 		 * @see orion.editor.TextView#redrawLines
 		 * @see orion.editor.TextView#redrawRange
 		 * @see orion.editor.TextView#setRedraw
 		 */
 		redraw: function() {
 			if (this._redrawCount > 0) { return; }
 			var lineCount = this._model.getLineCount();
 			this.redrawRulers(0, lineCount);
 			this.redrawLines(0, lineCount);
 		},
 		redrawRulers: function(startLine, endLine) {
 			if (this._redrawCount > 0) { return; }
 			var rulers = this.getRulers();
 			for (var i = 0; i < rulers.length; i++) {
 				this.redrawLines(startLine, endLine, rulers[i]);
 			}
 		},
 		/**
 		 * Redraws the text in the given line range.
 		 * <p>
 		 * The line at the end index is not redrawn.
 		 * </p>
 		 *
 		 * @param {Number} [startLine=0] the start line
 		 * @param {Number} [endLine=line count] the end line
 		 *
 		 * @see orion.editor.TextView#redraw
 		 * @see orion.editor.TextView#redrawRange
 		 * @see orion.editor.TextView#setRedraw
 		 */
 		redrawLines: function(startLine, endLine, ruler) {
 			if (this._redrawCount > 0) { return; }
 			if (startLine === undefined) { startLine = 0; }
 			if (endLine === undefined) { endLine = this._model.getLineCount(); }
 			if (startLine === endLine) { return; }
 			var div = this._clientDiv;
 			if (!div) { return; }
 			if (ruler) {
 				var location = ruler.getLocation();//"left" or "right"
 				var divRuler = location === "left" ? this._leftDiv : this._rightDiv; //$NON-NLS-0$
 				div = divRuler.firstChild;
 				while (div) {
 					if (div._ruler === ruler) {
 						break;
 					}
 					div = div.nextSibling;
 				}
 			}
 			if (ruler) {
 				div.rulerChanged = true;
 			} else {
 				if (this._lineHeight) {
 					this._resetLineHeight(startLine, endLine);
 				}
 			}
 			if (!ruler || ruler.getOverview() === "page") { //$NON-NLS-0$
 				var child = div.firstChild;
 				while (child) {
 					var lineIndex = child.lineIndex;
 					if (startLine <= lineIndex && lineIndex < endLine) {
 						child.lineChanged = true;
 					}
 					child = child.nextSibling;
 				}
 			}
 			if (!ruler) {
 				if (!this._wrapMode) {
 					if (startLine <= this._maxLineIndex && this._maxLineIndex < endLine) {
 						this._checkMaxLineIndex = this._maxLineIndex;
 						this._maxLineIndex = -1;
 						this._maxLineWidth = 0;
 					}
 				}
 			}
 			this._queueUpdate();
 		},
 		/**
 		 * Redraws the text in the given range.
 		 * <p>
 		 * The character at the end offset is not redrawn.
 		 * </p>
 		 *
 		 * @param {Number} [start=0] the start offset of text range
 		 * @param {Number} [end=char count] the end offset of text range
 		 *
 		 * @see orion.editor.TextView#redraw
 		 * @see orion.editor.TextView#redrawLines
 		 * @see orion.editor.TextView#setRedraw
 		 */
 		redrawRange: function(start, end) {
 			if (this._redrawCount > 0) { return; }
 			var model = this._model;
 			if (start === undefined) { start = 0; }
 			if (end === undefined) { end = model.getCharCount(); }
 			var startLine = model.getLineAtOffset(start);
 			var endLine = model.getLineAtOffset(Math.max(start, end - 1)) + 1;
 			this.redrawLines(startLine, endLine);
 		},
 		/**
 		 * Removes a key mode from the text view.
 		 *
 		 * @param {orion.editor.KeyMode} mode the key mode.
 		 */
 		removeKeyMode: function (mode) {
 			var keyModes = this._keyModes;
 			for (var i=0; i<keyModes.length; i++) {
 				if (keyModes[i] === mode) {
 					keyModes.splice(i, 1);
 					break;
 				}
 			}
 			//TODO: API needed for this
 			if (mode._modeRemoved) {
 				mode._modeRemoved();
 			}
 		},
 		/**
 		 * Removes a ruler from the text view.
 		 *
 		 * @param {orion.editor.Ruler} ruler the ruler.
 		 */
 		removeRuler: function (ruler) {
 			var rulers = this._rulers;
 			for (var i=0; i<rulers.length; i++) {
 				if (rulers[i] === ruler) {
 					rulers.splice(i, 1);
 					ruler.setView(null);
 					this._destroyRuler(ruler);
 					this._update();
 					break;
 				}
 			}
 		},
 		resize: function() {
 			if (!this._clientDiv) { return; }
 			this._handleResize(null);
 		},
 		/**
 		 * @class This object describes an action for the text view.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.TextView}<br/>
 		 * {@link orion.editor.TextView#setAction}
 		 * </p>
 		 * @name orion.editor.ActionDescription
 		 *
 		 * @property {String} [name] the name to be used when showing the action as text.
 		 */
 		/**
 		 * Associates an application defined handler to an action ID.
 		 * <p>
 		 * If the action ID is a predefined action, the given handler executes before
 		 * the default action handler.  If the given handler returns <code>true</code>, the
 		 * default action handler is not called.
 		 * </p>
 		 *
 		 * @param {String} actionID the action ID.
 		 * @param {Function} handler the action handler.
 		 * @param {orion.editor.ActionDescription} [actionDescription=undefined] the action description.
 		 *
 		 * @see orion.editor.TextView#getActions
 		 * @see orion.editor.TextView#invokeAction
 		 */
 		setAction: function(actionID, handler, actionDescription) {
 			if (!actionID) { return; }
 			var actions = this._actions;
 			var action = actions[actionID];
 			if (!action) {
 				action = actions[actionID] = {};
 			}
 			action.handler = handler;
 			if (actionDescription !== undefined) {
 				action.actionDescription = actionDescription;
 			}
 		},
 		/**
 		 * Associates a key binding with the given action ID. Any previous
 		 * association with the specified key binding is overwriten. If the
 		 * action ID is <code>null</code>, the association is removed.
 		 *
 		 * @param {orion.editor.KeyBinding} keyBinding the key binding
 		 * @param {String} actionID the action ID
 		 */
 		setKeyBinding: function(keyBinding, actionID) {
 			this._keyModes[0].setKeyBinding(keyBinding, actionID);
 		},
 		/**
 		 * Sets the caret offset relative to the start of the document.
 		 *
 		 * @param {Number} caret the caret offset relative to the start of the document.
 		 * @param {Boolean|Number} [show=true] if <code>true</code>, the view will scroll the minimum amount necessary to show the caret location. If
 		 *					<code>show</code> is a <code>Number</code>, the view will scroll the minimum amount necessary to show the caret location plus a
 		 *					percentage of the client area height. The parameter is clamped to the [0,1] range.  In either case, the view will only scroll
 		 *					if the new caret location is visible already.
 		 * @param {Function} [callback] if callback is specified and <code>scrollAnimation</code> is not zero, view scrolling is animated and
 		 *					the callback is called when the animation is done. Otherwise, callback is callback right away.
 		 *
 		 * @see orion.editor.TextView#getCaretOffset
 		 * @see orion.editor.TextView#setSelection
 		 * @see orion.editor.TextView#getSelection
 		 */
 		setCaretOffset: function(offset, show, callback) {
 			var charCount = this._model.getCharCount();
 			offset = Math.max(0, Math.min (offset, charCount));
 			var selection = new Selection(offset, offset, false);
 			this._setSelection (selection, show === undefined || show, true, callback);
 		},
 		/**
 		 * Sets the horizontal pixel.
 		 * <p>
 		 * The horizontal pixel is the pixel position that is currently at
 		 * the left edge of the view.  This position is relative to the
 		 * beginning of the document.
 		 * </p>
 		 *
 		 * @param {Number} pixel the horizontal pixel.
 		 *
 		 * @see orion.editor.TextView#getHorizontalPixel
 		 * @see orion.editor.TextView#convert
 		 */
 		setHorizontalPixel: function(pixel) {
 			if (!this._clientDiv) { return; }
 			pixel = Math.max(0, pixel);
 			this._scrollView(pixel - this._getScroll().x, 0);
 		},
 		/**
 		 * Sets whether the view should update the DOM.
 		 * <p>
 		 * This can be used to improve the performance.
 		 * </p><p>
 		 * When the flag is set to <code>true</code>,
 		 * the entire view is marked as needing to be redrawn.
 		 * Nested calls to this method are stacked.
 		 * </p>
 		 *
 		 * @param {Boolean} redraw the new redraw state
 		 *
 		 * @see orion.editor.TextView#redraw
 		 */
 		setRedraw: function(redraw) {
 			if (redraw) {
 				if (--this._redrawCount === 0) {
 					this.redraw();
 				}
 			} else {
 				this._redrawCount++;
 			}
 		},
 		/**
 		 * Sets the text model of the text view.
 		 *
 		 * @param {orion.editor.TextModel} model the text model of the view.
 		 */
 		setModel: function(model) {
 			if (!model) { return; }
 			if (model === this._model) { return; }
 			this._model.removeEventListener("preChanging", this._modelListener.onChanging); //$NON-NLS-0$
 			this._model.removeEventListener("postChanged", this._modelListener.onChanged); //$NON-NLS-0$
 			var oldLineCount = this._model.getLineCount();
 			var oldCharCount = this._model.getCharCount();
 			var newLineCount = model.getLineCount();
 			var newCharCount = model.getCharCount();
 			var newText = model.getText();
 			var e = {
 				type: "ModelChanging", //$NON-NLS-0$
 				text: newText,
 				start: 0,
 				removedCharCount: oldCharCount,
 				addedCharCount: newCharCount,
 				removedLineCount: oldLineCount,
 				addedLineCount: newLineCount
 			};
 			this.onModelChanging(e);
 			this._model = model;
 			e = {
 				type: "ModelChanged", //$NON-NLS-0$
 				start: 0,
 				removedCharCount: oldCharCount,
 				addedCharCount: newCharCount,
 				removedLineCount: oldLineCount,
 				addedLineCount: newLineCount
 			};
 			this.onModelChanged(e);
 			this._model.addEventListener("preChanging", this._modelListener.onChanging); //$NON-NLS-0$
 			this._model.addEventListener("postChanged", this._modelListener.onChanged); //$NON-NLS-0$
 			this._reset();
 			this._update();
 		},
 		/**
 		 * Sets the view options for the view.
 		 *
 		 * @param {orion.editor.TextViewOptions} options the view options.
 		 *
 		 * @see orion.editor.TextView#getOptions
 		 */
 		setOptions: function (options) {
 			var defaultOptions = this._defaultOptions();
 			for (var option in options) {
 				if (options.hasOwnProperty(option)) {
 					var newValue = options[option], oldValue = this["_" + option]; //$NON-NLS-0$
 					if (compare(oldValue, newValue)) { continue; }
 					var update = defaultOptions[option] ? defaultOptions[option].update : null;
 					if (update) {
 						update.call(this, newValue);
 						continue;
 					}
 					this["_" + option] = clone(newValue); //$NON-NLS-0$
 				}
 			}
 		},
 		/**
 		 * Sets the text view selection.
 		 * <p>
 		 * The selection is defined by a start and end character offset relative to the
 		 * document. The character at end offset is not included in the selection.
 		 * </p>
 		 * <p>
 		 * The caret is always placed at the end offset. The start offset can be
 		 * greater than the end offset to place the caret at the beginning of the
 		 * selection.
 		 * </p>
 		 * <p>
 		 * Clamps out of range offsets.
 		 * </p>
 		 *
 		 * @param {Number} start the start offset of the selection
 		 * @param {Number} end the end offset of the selection
 		 * @param {Boolean|Number} [show=true] if <code>true</code>, the view will scroll the minimum amount necessary to show the caret location. If
 		 *					<code>show</code> is a <code>Number</code>, the view will scroll the minimum amount necessary to show the caret location plus a
 		 *					percentage of the client area height. The parameter is clamped to the [0,1] range.  In either case, the view will only scroll
 		 *					if the new caret location is visible already.
 		 * @param {Function} [callback] if callback is specified and <code>scrollAnimation</code> is not zero, view scrolling is animated and
 		 *					the callback is called when the animation is done. Otherwise, callback is callback right away.
 		 *
 		 * @see orion.editor.TextView#getSelection
 		 */
 		setSelection: function (start, end, show, callback) {
 			var caret = start > end;
 			if (caret) {
 				var tmp = start;
 				start = end;
 				end = tmp;
 			}
 			var charCount = this._model.getCharCount();
 			start = Math.max(0, Math.min (start, charCount));
 			end = Math.max(0, Math.min (end, charCount));
 			var selection = new Selection(start, end, caret);
 			this._setSelection(selection, show === undefined || show, true, callback);
 		},
 		/**
 		 * Replaces the text in the given range with the given text.
 		 * <p>
 		 * The character at the end offset is not replaced.
 		 * </p>
 		 * <p>
 		 * When both <code>start</code> and <code>end</code> parameters
 		 * are not specified, the text view places the caret at the beginning
 		 * of the document and scrolls to make it visible.
 		 * </p>
 		 *
 		 * @param {String} text the new text.
 		 * @param {Number} [start=0] the start offset of text range.
 		 * @param {Number} [end=char count] the end offset of text range.
 		 *
 		 * @see orion.editor.TextView#getText
 		 */
 		setText: function (text, start, end) {
 			var reset = start === undefined && end === undefined;
 			if (start === undefined) { start = 0; }
 			if (end === undefined) { end = this._model.getCharCount(); }
 			if (reset) {
 				this._variableLineHeight = false;
 			}
 			this._modifyContent({text: text, start: start, end: end, _code: true}, !reset);
 			if (reset) {
 				this._columnX = -1;
 				this._setSelection(new Selection (0, 0, false), true);

 				/*
 				* Bug in Firefox.  For some reason, the caret does not show after the
 				* view is refreshed.  The fix is to toggle the contentEditable state and
 				* force the clientDiv to loose and receive focus if it is focused.
 				*/
 				if (util.isFirefox) {
 					this._fixCaret();
 				}
 			}
 		},
 		/**
 		 * Sets the top index.
 		 * <p>
 		 * The top index is the line that is currently at the top of the text view.  This
 		 * line may be partially visible depending on the vertical scroll of the view.
 		 * </p>
 		 *
 		 * @param {Number} topIndex the index of the top line.
 		 *
 		 * @see orion.editor.TextView#getBottomIndex
 		 * @see orion.editor.TextView#getTopIndex
 		 */
 		setTopIndex: function(topIndex) {
 			if (!this._clientDiv) { return; }
 			this._scrollView(0, this._getLinePixel(Math.max(0, topIndex)) - this._getScroll().y);
 		},
 		/**
 		 * Sets the top pixel.
 		 * <p>
 		 * The top pixel is the pixel position that is currently at
 		 * the top edge of the view.  This position is relative to the
 		 * beginning of the document.
 		 * </p>
 		 *
 		 * @param {Number} pixel the top pixel.
 		 *
 		 * @see orion.editor.TextView#getBottomPixel
 		 * @see orion.editor.TextView#getTopPixel
 		 * @see orion.editor.TextView#convert
 		 */
 		setTopPixel: function(pixel) {
 			if (!this._clientDiv) { return; }
 			this._scrollView(0, Math.max(0, pixel) - this._getScroll().y);
 		},
 		/**
 		 * Scrolls the selection into view if needed.
 		 *
 		 * @returns {Boolean} true if the view was scrolled.
 		 *
 		 * @see orion.editor.TextView#getSelection
 		 * @see orion.editor.TextView#setSelection
 		 */
 		showSelection: function() {
 			return this._showCaret(true);
 		},
 		update: function(styleChanged, sync) {
 			if (!this._clientDiv) { return; }
 			if (styleChanged) {
 				this._updateStyle();
 			}
 			if (sync === undefined || sync) {
 				this._update();
 			} else {
 				this._queueUpdate();
 			}
 		},

 		/**************************************** Event handlers *********************************/
 		_handleRootMouseDown: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (util.isFirefox && e.which === 1) {
 				this._clientDiv.contentEditable = false;
 				(this._overlayDiv || this._clientDiv).draggable = true;
 				this._ignoreBlur = true;
 			}

 			/* Prevent clicks outside of the client div from taking focus away. */
 			var topNode = this._overlayDiv || this._clientDiv;
 			/* Use view div on IE 8 otherwise it is not possible to scroll. */
 			if (util.isIE < 9) { topNode = this._viewDiv; }
 			var temp = e.target ? e.target : e.srcElement;
 			while (temp) {
 				if (topNode === temp) {
 					return;
 				}
 				temp = temp.parentNode;
 			}
 			if (e.preventDefault) { e.preventDefault(); }
 			if (e.stopPropagation){ e.stopPropagation(); }
 			if (!this._isW3CEvents) {
 				/*
 				* In IE 8 is not possible to prevent the default handler from running
 				* during mouse down event using usual API. The workaround is to give
 				* focus back to the client div.
 				*/
 				var self = this;
 				var window = this._getWindow();
 				window.setTimeout(function() {
 					self._clientDiv.focus();
 				}, 0);
 			}
 		},
 		_handleRootMouseUp: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (util.isFirefox && e.which === 1) {
 				this._clientDiv.contentEditable = true;
 				(this._overlayDiv || this._clientDiv).draggable = false;

 				/*
 				* Bug in Firefox.  For some reason, Firefox stops showing the caret
 				* in some cases. For example when the user cancels a drag operation
 				* by pressing ESC.  The fix is to detect that the drag operation was
 				* cancelled,  toggle the contentEditable state and force the clientDiv
 				* to loose and receive focus if it is focused.
 				*/
 				this._fixCaret();
 				this._ignoreBlur = false;
 			}
 		},
 		_handleBlur: function (e) {
 			if (this._ignoreBlur) { return; }
 			this._hasFocus = false;
 			/*
 			* Bug in IE 8 and earlier. For some reason when text is deselected
 			* the overflow selection at the end of some lines does not get redrawn.
 			* The fix is to create a DOM element in the body to force a redraw.
 			*/
 			if (util.isIE < 9) {
 				if (!this._getSelection().isEmpty()) {
 					var rootDiv = this._rootDiv;
 					var child = util.createElement(rootDiv.ownerDocument, "div"); //$NON-NLS-0$
 					rootDiv.appendChild(child);
 					rootDiv.removeChild(child);
 				}
 			}
 			if (this._cursorDiv) {
 				this._cursorDiv.style.display = "none"; //$NON-NLS-0$
 			}
 			if (this._selDiv1) {
 				var color = "lightgray"; //$NON-NLS-0$
 				this._selDiv1.style.background = color;
 				this._selDiv2.style.background = color;
 				this._selDiv3.style.background = color;
 				/* Clear browser selection if selection is within clientDiv */
 				var temp;
 				var window = this._getWindow();
 				var document = this._selDiv1.ownerDocument;
 				if (window.getSelection) {
 					var sel = window.getSelection();
 					temp = sel.anchorNode;
 					while (temp) {
 						if (temp === this._clientDiv) {
 							if (sel.rangeCount > 0) { sel.removeAllRanges(); }
 							break;
 						}
 						temp = temp.parentNode;
 					}
 				} else if (document.selection) {
 					this._ignoreSelect = false;
 					temp = document.selection.createRange().parentElement();
 					while (temp) {
 						if (temp === this._clientDiv) {
 							document.selection.empty();
 							break;
 						}
 						temp = temp.parentNode;
 					}
 					this._ignoreSelect = true;
 				}
 			}
 			if (!this._ignoreFocus) {
 				this.onBlur({type: "Blur"}); //$NON-NLS-0$
 			}
 		},
 		_handleContextMenu: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (util.isIE && this._lastMouseButton === 3) {
 				// We need to update the DOM selection, because on
 				// right-click the caret moves to the mouse location.
 				// See bug 366312 and 376508.
 				this._updateDOMSelection();
 			}
 			var preventDefault = false;
 			if (this.isListening("ContextMenu")) { //$NON-NLS-0$
 				var evt = this._createMouseEvent("ContextMenu", e); //$NON-NLS-0$
 				evt.screenX = e.screenX;
 				evt.screenY = e.screenY;
 				this.onContextMenu(evt);
 				preventDefault = evt.defaultPrevented;
 			} else if (util.isMac && util.isFirefox && e.button === 0) {
 				// hack to prevent CTRL+Space from showing the browser context menu
 				preventDefault = true;
 			}
 			if (preventDefault) {
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleCopy: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this._ignoreCopy) { return; }
 			if (this._doCopy(e)) {
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleCut: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this._doCut(e)) {
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleDataModified: function(e) {
 			if (this._ignoreEvent(e)) { return; }
 			this._startIME();
 		},
 		_handleDblclick: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			var time = e.timeStamp ? e.timeStamp : new Date().getTime();
 			this._lastMouseTime = time;
 			if (this._clickCount !== 2) {
 				this._clickCount = 2;
 				this._handleMouse(e);
 			}
 		},
 		_handleDragStart: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (util.isFirefox) {
 				var self = this;
 				var window = this._getWindow();
 				window.setTimeout(function() {
 					self._clientDiv.contentEditable = true;
 					self._clientDiv.draggable = false;
 					self._ignoreBlur = false;
 				}, 0);
 			}
 			if (this.isListening("DragStart") && this._dragOffset !== -1) { //$NON-NLS-0$
 				this._isMouseDown = false;
 				this.onDragStart(this._createMouseEvent("DragStart", e)); //$NON-NLS-0$
 				this._dragOffset = -1;
 			} else {
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleDrag: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this.isListening("Drag")) { //$NON-NLS-0$
 				this.onDrag(this._createMouseEvent("Drag", e)); //$NON-NLS-0$
 			}
 		},
 		_handleDragEnd: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			this._dropTarget = false;
 			this._dragOffset = -1;
 			if (this.isListening("DragEnd")) { //$NON-NLS-0$
 				this.onDragEnd(this._createMouseEvent("DragEnd", e)); //$NON-NLS-0$
 			}
 			if (util.isFirefox) {
 				this._fixCaret();
 				/*
 				* Bug in Firefox.  For some reason, Firefox stops showing the caret when the
 				* selection is dropped onto itself. The fix is to detected the case and
 				* call fixCaret() a second time.
 				*/
 				if (e.dataTransfer.dropEffect === "none" && !e.dataTransfer.mozUserCancelled) { //$NON-NLS-0$
 					this._fixCaret();
 				}
 			}
 		},
 		_handleDragEnter: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			var prevent = true;
 			this._dropTarget = true;
 			if (this.isListening("DragEnter")) { //$NON-NLS-0$
 				prevent = false;
 				this.onDragEnter(this._createMouseEvent("DragEnter", e)); //$NON-NLS-0$
 			}
 			/*
 			* Webkit will not send drop events if this event is not prevented, as spec in HTML5.
 			* Firefox and IE do not follow this spec for contentEditable. Note that preventing this
 			* event will result is loss of functionality (insertion mark, etc).
 			*/
 			if (util.isWebkit || prevent) {
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleDragOver: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			var prevent = true;
 			if (this.isListening("DragOver")) { //$NON-NLS-0$
 				prevent = false;
 				this.onDragOver(this._createMouseEvent("DragOver", e)); //$NON-NLS-0$
 			}
 			/*
 			* Webkit will not send drop events if this event is not prevented, as spec in HTML5.
 			* Firefox and IE do not follow this spec for contentEditable. Note that preventing this
 			* event will result is loss of functionality (insertion mark, etc).
 			*/
 			if (util.isWebkit || prevent) {
 				if (prevent) { e.dataTransfer.dropEffect = "none"; } //$NON-NLS-0$
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleDragLeave: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			this._dropTarget = false;
 			if (this.isListening("DragLeave")) { //$NON-NLS-0$
 				this.onDragLeave(this._createMouseEvent("DragLeave", e)); //$NON-NLS-0$
 			}
 		},
 		_handleDrop: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			this._dropTarget = false;
 			if (this.isListening("Drop")) { //$NON-NLS-0$
 				this.onDrop(this._createMouseEvent("Drop", e)); //$NON-NLS-0$
 			}
 			/*
 			* This event must be prevented otherwise the user agent will modify
 			* the DOM. Note that preventing the event on some user agents (i.e. IE)
 			* indicates that the operation is cancelled. This causes the dropEffect to
 			* be set to none  in the dragend event causing the implementor to not execute
 			* the code responsible by the move effect.
 			*/
 			if (e.preventDefault) { e.preventDefault(); }
 			return false;
 		},
 		_handleFocus: function (e) {
 			this._hasFocus = true;
 			if (util.isIOS && this._lastTouchOffset !== undefined) {
 				this.setCaretOffset(this._lastTouchOffset, true);
 				this._lastTouchOffset = undefined;
 			} else {
 				this._updateDOMSelection();
 			}
 			if (this._cursorDiv) {
 				this._cursorDiv.style.display = "block"; //$NON-NLS-0$
 			}
 			if (this._selDiv1) {
 				var color = this._highlightRGB;
 				this._selDiv1.style.background = color;
 				this._selDiv2.style.background = color;
 				this._selDiv3.style.background = color;
 			}
 			if (!this._ignoreFocus) {
 				this.onFocus({type: "Focus"}); //$NON-NLS-0$
 			}
 		},
 		_handleKeyDown: function (e) {
 			if (this._ignoreEvent(e)) {	return;	}
 			if (this.isListening("KeyDown")) { //$NON-NLS-0$
 				var keyEvent = this._createKeyEvent("KeyDown", e); //$NON-NLS-0$
 				this.onKeyDown(keyEvent); //$NON-NLS-0$
 				if (keyEvent.defaultPrevented) {
 					/*
 					* Feature in Firefox. Keypress events still happen even if the keydown event
 					* was prevented. The fix is to remember that keydown was prevented and prevent
 					* the keypress ourselves.
 					*/
 					if (util.isFirefox) {
 						this._keyDownPrevented = true;
 					}
 					e.preventDefault();
 					return;
 				}
 			}
 			var modifier = false;
 			switch (e.keyCode) {
 				case 16: /* Shift */
 				case 17: /* Control */
 				case 18: /* Alt */
 				case 91: /* Command */
 					modifier = true;
 					break;
 				default:
 					this._setLinksVisible(false);
 			}
 			if (e.keyCode === 229) {
 				if (this._readonly) {
 					if (e.preventDefault) { e.preventDefault(); }
 					return false;
 				}
 				var startIME = true;

 				/*
 				* Bug in Safari. Some Control+key combinations send key events
 				* with keyCode equals to 229. This is unexpected and causes the
 				* view to start an IME composition. The fix is to ignore these
 				* events.
 				*/
 				if (util.isSafari && util.isMac) {
 					if (e.ctrlKey) {
 						startIME = false;
 						e.keyCode = 0x81;
 					}
 				}
 				if (startIME) {
 					this._startIME();
 				}
 			} else {
 				if (!modifier) {
 					this._commitIME();
 				}
 			}
 			/*
 			* Feature in Firefox. When a key is held down the browser sends
 			* right number of keypress events but only one keydown. This is
 			* unexpected and causes the view to only execute an action
 			* just one time. The fix is to ignore the keydown event and
 			* execute the actions from the keypress handler.
 			* Note: This only happens on the Mac and Linux (Firefox 3.6).
 			*
 			* Feature in Opera.  Opera sends keypress events even for non-printable
 			* keys.  The fix is to handle actions in keypress instead of keydown.
 			*/
 			if (((util.isMac || util.isLinux) && util.isFirefox < 4) || util.isOpera) {
 				this._keyDownEvent = e;
 				return true;
 			}

 			if (this._doAction(e)) {
 				if (e.preventDefault) {
 					e.preventDefault();
 					e.stopPropagation();
 				} else {
 					e.cancelBubble = true;
 					e.returnValue = false;
 					e.keyCode = 0;
 				}
 				return false;
 			}
 		},
 		_handleKeyPress: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			/*
 			* Feature in Firefox. Keypress events still happen even if the keydown event
 			* was prevented. The fix is to remember that keydown was prevented and prevent
 			* the keypress ourselves.
 			*/
 			if (this._keyDownPrevented) {
 				if (e.preventDefault) {
 					e.preventDefault();
 					e.stopPropagation();
 				}
 				this._keyDownPrevented = undefined;
 				return;
 			}
 			/*
 			* Feature in Embedded WebKit.  Embedded WekKit on Mac runs in compatibility mode and
 			* generates key press events for these Unicode values (Function keys).  This does not
 			* happen in Safari or Chrome.  The fix is to ignore these key events.
 			*/
 			if (util.isMac && util.isWebkit) {
 				if ((0xF700 <= e.keyCode && e.keyCode <= 0xF7FF) || e.keyCode === 13 || e.keyCode === 8) {
 					if (e.preventDefault) { e.preventDefault(); }
 					return false;
 				}
 			}
 			if (((util.isMac || util.isLinux) && util.isFirefox < 4) || util.isOpera) {
 				if (this._doAction(this._keyDownEvent)) {
 					if (e.preventDefault) { e.preventDefault(); }
 					return false;
 				}
 			}
 			var ctrlKey = util.isMac ? e.metaKey : e.ctrlKey;
 			if (e.charCode !== undefined) {
 				if (ctrlKey) {
 					switch (e.charCode) {
 						/*
 						* In Firefox and Safari if ctrl+v, ctrl+c ctrl+x is canceled
 						* the clipboard events are not sent. The fix to allow
 						* the browser to handles these key events.
 						*/
 						case 99://c
 						case 118://v
 						case 120://x
 							return true;
 					}
 				}
 			}
 			if (this.isListening("KeyPress")) { //$NON-NLS-0$
 				var keyEvent = this._createKeyEvent("KeyPress", e); //$NON-NLS-0$
 				this.onKeyPress(keyEvent); //$NON-NLS-0$
 				if (keyEvent.defaultPrevented) {
 					e.preventDefault();
 					return;
 				}
 			}
 			if (this._doAction(e)) {
 				if (e.preventDefault) {
 					e.preventDefault();
 					e.stopPropagation();
 				} else {
 					e.cancelBubble = true;
 					e.returnValue = false;
 					e.keyCode = 0;
 				}
 				return false;
 			}
 			var ignore = false;
 			if (util.isMac) {
 				if (e.ctrlKey || e.metaKey) { ignore = true; }
 			} else {
 				if (util.isFirefox) {
 					//Firefox clears the state mask when ALT GR generates input
 					if (e.ctrlKey || e.altKey) { ignore = true; }
 				} else {
 					//IE and Chrome only send ALT GR when input is generated
 					if (e.ctrlKey ^ e.altKey) { ignore = true; }
 				}
 			}
 			if (!ignore) {
 				var key = util.isOpera ? e.which : (e.charCode !== undefined ? e.charCode : e.keyCode);
 				if (key > 31) {
 					this._doContent(String.fromCharCode (key));
 					if (e.preventDefault) { e.preventDefault(); }
 					return false;
 				}
 			}
 		},
 		_handleDocKeyUp: function (e) {
 			var ctrlKey = util.isMac ? e.metaKey : e.ctrlKey;
 			if (!ctrlKey) {
 				this._setLinksVisible(false);
 			}
 		},
 		_handleKeyUp: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this.isListening("KeyUp")) { //$NON-NLS-0$
 				var keyEvent = this._createKeyEvent("KeyUp", e); //$NON-NLS-0$
 				this.onKeyUp(keyEvent); //$NON-NLS-0$
 				if (keyEvent.defaultPrevented) {
 					e.preventDefault();
 					return;
 				}
 			}
 			this._handleDocKeyUp(e);
 			// don't commit for space (it happens during JP composition)
 			if (e.keyCode === 13) {
 				this._commitIME();
 			}
 		},
 		_handleLinkClick: function (e) {
 			var ctrlKey = util.isMac ? e.metaKey : e.ctrlKey;
 			if (!ctrlKey) {
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleMouse: function (e) {
 			var window = this._getWindow();
 			var result = true;
 			var target = window;
 			if (util.isIE || (util.isFirefox && !this._overlayDiv)) { target = this._clientDiv; }
 			if (this._overlayDiv) {
 				if (this._hasFocus) {
 					this._ignoreFocus = true;
 				}
 				var self = this;
 				window.setTimeout(function () {
 					self.focus();
 					self._ignoreFocus = false;
 				}, 0);
 			}
 			if (this._clickCount === 1) {
 				result = this._setSelectionTo(e.clientX, e.clientY, e.shiftKey, !util.isOpera && this._hasFocus && this.isListening("DragStart")); //$NON-NLS-0$
 				if (result) { this._setGrab(target); }
 			} else {
 				/*
 				* Feature in IE8 and older, the sequence of events in the IE8 event model
 				* for a doule-click is:
 				*
 				*	down
 				*	up
 				*	up
 				*	dblclick
 				*
 				* Given that the mouse down/up events are not balanced, it is not possible to
 				* grab on mouse down and ungrab on mouse up.  The fix is to grab on the first
 				* mouse down and ungrab on mouse move when the button 1 is not set.
 				*/
 				if (this._isW3CEvents) { this._setGrab(target); }

 				this._doubleClickSelection = null;
 				this._setSelectionTo(e.clientX, e.clientY, e.shiftKey);
 				this._doubleClickSelection = this._getSelection();
 			}
 			return result;
 		},
 		_handleMouseDown: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this._linksVisible) {
 				var target = e.target || e.srcElement;
 				if (target.tagName !== "A") { //$NON-NLS-0$
 					this._setLinksVisible(false);
 				} else {
 					return;
 				}
 			}
 			this._commitIME();

 			var button = e.which; // 1 - left, 2 - middle, 3 - right
 			if (!button) {
 				// if IE 8 or older
 				if (e.button === 4) { button = 2; }
 				if (e.button === 2) { button = 3; }
 				if (e.button === 1) { button = 1; }
 			}

 			// For middle click we always need getTime(). See _getClipboardText().
 			var time = button !== 2 && e.timeStamp ? e.timeStamp : new Date().getTime();
 			var timeDiff = time - this._lastMouseTime;
 			var deltaX = Math.abs(this._lastMouseX - e.clientX);
 			var deltaY = Math.abs(this._lastMouseY - e.clientY);
 			var sameButton = this._lastMouseButton === button;
 			this._lastMouseX = e.clientX;
 			this._lastMouseY = e.clientY;
 			this._lastMouseTime = time;
 			this._lastMouseButton = button;

 			if (button === 1) {
 				this._isMouseDown = true;
 				if (sameButton && timeDiff <= this._clickTime && deltaX <= this._clickDist && deltaY <= this._clickDist) {
 					this._clickCount++;
 				} else {
 					this._clickCount = 1;
 				}
 			}
 			if (this.isListening("MouseDown")) { //$NON-NLS-0$
 				var mouseEvent = this._createMouseEvent("MouseDown", e); //$NON-NLS-0$
 				this.onMouseDown(mouseEvent);
 				if (mouseEvent.defaultPrevented) {
 					e.preventDefault();
 					return;
 				}
 			}
 			if (button === 1) {
 				if (this._handleMouse(e) && (util.isIE >= 9 || util.isOpera || util.isChrome || util.isSafari || (util.isFirefox && !this._overlayDiv))) {
 					if (!this._hasFocus) {
 						this.focus();
 					}
 					e.preventDefault();
 				}
 			}
 			if (util.isFirefox && this._lastMouseButton === 3) {
 				// We need to update the DOM selection, because on
 				// right-click the caret moves to the mouse location.
 				// See bug 366312 and 376508.
 				this._updateDOMSelection();
 			}
 		},
 		_handleMouseOver: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this._animation) { return; }
 			if (this.isListening("MouseOver")) { //$NON-NLS-0$
 				this.onMouseOver(this._createMouseEvent("MouseOver", e)); //$NON-NLS-0$
 			}
 		},
 		_handleMouseOut: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this._animation) { return; }
 			if (this.isListening("MouseOut")) { //$NON-NLS-0$
 				this.onMouseOut(this._createMouseEvent("MouseOut", e)); //$NON-NLS-0$
 			}
 		},
 		_handleMouseMove: function (e) {
 			if (this._animation) { return; }
 			var inClient = this._isClientDiv(e);
 			if (this.isListening("MouseMove")) { //$NON-NLS-0$
 				if (inClient){
 					this.onMouseMove(this._createMouseEvent("MouseMove", e)); //$NON-NLS-0$
 				}
 			}
 			if (this._dropTarget) {
 				return;
 			}
 			/*
 			* Bug in IE9. IE sends one mouse event when the user changes the text by
 			* pasting or undo.  These operations usually happen with the Ctrl key
 			* down which causes the view to enter link mode.  Link mode does not end
 			* because there are no further events.  The fix is to only enter link
 			* mode when the coordinates of the mouse move event have changed.
 			*/
 			var changed = this._linksVisible || this._lastMouseMoveX !== e.clientX || this._lastMouseMoveY !== e.clientY;
 			this._lastMouseMoveX = e.clientX;
 			this._lastMouseMoveY = e.clientY;
 			this._setLinksVisible(changed && !this._isMouseDown && (util.isMac ? e.metaKey : e.ctrlKey));

 			/*
 			* Feature in IE8 and older, the sequence of events in the IE8 event model
 			* for a doule-click is:
 			*
 			*	down
 			*	up
 			*	up
 			*	dblclick
 			*
 			* Given that the mouse down/up events are not balanced, it is not possible to
 			* grab on mouse down and ungrab on mouse up.  The fix is to grab on the first
 			* mouse down and ungrab on mouse move when the button 1 is not set.
 			*
 			* In order to detect double-click and drag gestures, it is necessary to send
 			* a mouse down event from mouse move when the button is still down and isMouseDown
 			* flag is not set.
 			*/
 			if (!this._isW3CEvents) {
 				if (e.button === 0) {
 					this._setGrab(null);
 					return true;
 				}
 				if (!this._isMouseDown && e.button === 1 && (this._clickCount & 1) !== 0 && inClient) {
 					this._clickCount = 2;
 					return this._handleMouse(e, this._clickCount);
 				}
 			}
 			if (!this._isMouseDown || this._dragOffset !== -1) {
 				return;
 			}

 			var x = e.clientX;
 			var y = e.clientY;
 			var viewPad = this._getViewPadding();
 			var viewRect = this._viewDiv.getBoundingClientRect();
 			var width = this._getClientWidth (), height = this._getClientHeight();
 			var leftEdge = viewRect.left + viewPad.left;
 			var topEdge = viewRect.top + viewPad.top;
 			var rightEdge = viewRect.left + viewPad.left + width;
 			var bottomEdge = viewRect.top + viewPad.top + height;
 			if (y < topEdge) {
 				this._doAutoScroll("up", x, y - topEdge); //$NON-NLS-0$
 			} else if (y > bottomEdge) {
 				this._doAutoScroll("down", x, y - bottomEdge); //$NON-NLS-0$
 			} else if (x < leftEdge && !this._wrapMode) {
 				this._doAutoScroll("left", x - leftEdge, y); //$NON-NLS-0$
 			} else if (x > rightEdge && !this._wrapMode) {
 				this._doAutoScroll("right", x - rightEdge, y); //$NON-NLS-0$
 			} else {
 				this._endAutoScroll();
 				this._setSelectionTo(x, y, true);
 			}
 		},
 		_isClientDiv: function(e) {
 			var topNode = this._overlayDiv || this._clientDiv;
 			var temp = e.target ? e.target : e.srcElement;
 			while (temp) {
 				if (topNode === temp) {
 					return true;
 				}
 				temp = temp.parentNode;
 			}
 			return false;
 		},
 		_createKeyEvent: function(type, e) {
 			return {
 				type: type,
 				event: e,
 				preventDefault: function() {
 					this.defaultPrevented = true;
 				}
 			};
 		},
 		_createMouseEvent: function(type, e) {
 			var pt = this.convert({x: e.clientX, y: e.clientY}, "page", "document"); //$NON-NLS-1$ //$NON-NLS-0$
 			return {
 				type: type,
 				event: e,
 				clickCount: this._clickCount,
 				x: pt.x,
 				y: pt.y,
 				preventDefault: function() {
 					this.defaultPrevented = true;
 				}
 			};
 		},
 		_handleMouseUp: function (e) {
 			var left = e.which ? e.button === 0 : e.button === 1;
 			if (this.isListening("MouseUp")) { //$NON-NLS-0$
 				if (this._isClientDiv(e) || (left && this._isMouseDown)) {
 					this.onMouseUp(this._createMouseEvent("MouseUp", e)); //$NON-NLS-0$
 				}
 			}
 			if (this._linksVisible) {
 				return;
 			}
 			if (left && this._isMouseDown) {
 				if (this._dragOffset !== -1) {
 					var selection = this._getSelection();
 					selection.extend(this._dragOffset);
 					selection.collapse();
 					this._setSelection(selection, true, true);
 					this._dragOffset = -1;
 				}
 				this._isMouseDown = false;
 				this._endAutoScroll();

 				/*
 				* Feature in IE8 and older, the sequence of events in the IE8 event model
 				* for a doule-click is:
 				*
 				*	down
 				*	up
 				*	up
 				*	dblclick
 				*
 				* Given that the mouse down/up events are not balanced, it is not possible to
 				* grab on mouse down and ungrab on mouse up.  The fix is to grab on the first
 				* mouse down and ungrab on mouse move when the button 1 is not set.
 				*/
 				if (this._isW3CEvents) { this._setGrab(null); }

 				/*
 				* Note that there cases when Firefox sets the DOM selection in mouse up.
 				* This happens for example after a cancelled drag operation.
 				*
 				* Note that on Chrome and IE, the caret stops blicking if mouse up is
 				* prevented.
 				*/
 				if (util.isFirefox) {
 					e.preventDefault();
 				}
 			}
 		},
 		_handleMouseWheel: function (e) {
 			var lineHeight = this._getLineHeight();
 			var pixelX = 0, pixelY = 0;
 			// Note: On the Mac the correct behaviour is to scroll by pixel.
 			if (util.isIE || util.isOpera) {
 				pixelY = (-e.wheelDelta / 40) * lineHeight;
 			} else if (util.isFirefox) {
 				var pixel;
 				if (util.isMac) {
 					pixel = e.detail * 3;
 				} else {
 					var limit = 256;
 					pixel = Math.max(-limit, Math.min(limit, e.detail)) * lineHeight;
 				}
 				if (e.axis === e.HORIZONTAL_AXIS) {
 					pixelX = pixel;
 				} else {
 					pixelY = pixel;
 				}
 			} else {
 				//Webkit
 				if (util.isMac) {
 					/*
 					* In Safari, the wheel delta is a multiple of 120. In order to
 					* convert delta to pixel values, it is necessary to divide delta
 					* by 40.
 					*
 					* In Chrome and Safari 5, the wheel delta depends on the type of the
 					* mouse. In general, it is the pixel value for Mac mice and track pads,
 					* but it is a multiple of 120 for other mice. There is no presise
 					* way to determine if it is pixel value or a multiple of 120.
 					*
 					* Note that the current approach does not calculate the correct
 					* pixel value for Mac mice when the delta is a multiple of 120.
 					*
 					* For values that are multiples of 120, the denominator varies on
 					* the time between events.
 					*/
 					var denominatorX, denominatorY;
 					var deltaTime = e.timeStamp - this._wheelTimeStamp;
 					this._wheelTimeStamp = e.timeStamp;
 					if (e.wheelDeltaX % 120 !== 0) {
 						denominatorX = 1;
 					} else {
 						denominatorX = deltaTime < 40 ? 40/(40-deltaTime) : 40;
 					}
 					if (e.wheelDeltaY % 120 !== 0) {
 						denominatorY = 1;
 					} else {
 						denominatorY = deltaTime < 40 ? 40/(40-deltaTime) : 40;
 					}
 					pixelX = Math.ceil(-e.wheelDeltaX / denominatorX);
 					if (-1 < pixelX && pixelX < 0) { pixelX = -1; }
 					if (0 < pixelX && pixelX < 1) { pixelX = 1; }
 					pixelY = Math.ceil(-e.wheelDeltaY / denominatorY);
 					if (-1 < pixelY && pixelY < 0) { pixelY = -1; }
 					if (0 < pixelY && pixelY < 1) { pixelY = 1; }
 				} else {
 					pixelX = -e.wheelDeltaX;
 					var linesToScroll = 8;
 					pixelY = (-e.wheelDeltaY / 120 * linesToScroll) * lineHeight;
 				}
 			}
 			/*
 			* Feature in Safari. If the event target is removed from the DOM
 			* safari stops smooth scrolling. The fix is keep the element target
 			* in the DOM and remove it on a later time.
 			*
 			* Note: Using a timer is not a solution, because the timeout needs to
 			* be at least as long as the gesture (which is too long).
 			*/
 			if (util.isSafari) {
 				var lineDiv = e.target;
 				while (lineDiv && lineDiv.lineIndex === undefined) {
 					lineDiv = lineDiv.parentNode;
 				}
 				this._mouseWheelLine = lineDiv;
 			}
 			var oldScroll = this._getScroll();
 			this._scrollView(pixelX, pixelY);
 			var newScroll = this._getScroll();
 			if (oldScroll.x !== newScroll.x || oldScroll.y !== newScroll.y) {
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handlePaste: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			if (this._ignorePaste) { return; }
 			if (this._doPaste(e)) {
 				if (util.isIE) {
 					/*
 					 * Bug in IE,
 					 */
 					var self = this;
 					this._ignoreFocus = true;
 					var window = this._getWindow();
 					window.setTimeout(function() {
 						self._updateDOMSelection();
 						self._ignoreFocus = false;
 					}, 0);
 				}
 				if (e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_handleResize: function (e) {
 			var newWidth = this._parent.clientWidth;
 			var newHeight = this._parent.clientHeight;
 			if (this._parentWidth !== newWidth || this._parentHeight !== newHeight) {
 				if (this._parentWidth !== newWidth && this._wrapMode) {
 					this._resetLineHeight();
 				}
 				this._parentWidth = newWidth;
 				this._parentHeight = newHeight;
 				/*
 				* Feature in IE7. For some reason, sometimes Internet Explorer 7
 				* returns incorrect values for element.getBoundingClientRect() when
 				* inside a resize handler. The fix is to queue the work.
 				*/
 				var queue = util.isIE < 9;

 				/*
 				* The calculated metrics may be out of date when the zoom level changes.
 				*/
 				var metrics = this._calculateMetrics();
 				if (!compare(metrics, this._metrics)) {
 					if (this._variableLineHeight) {
 						this._variableLineHeight = false;
 						this._resetLineHeight();
 					}
 					this._metrics = metrics;
 					queue = true;
 				}

 				if (queue) {
 					this._queueUpdate();
 				} else {
 					this._update();
 				}
 			}
 		},
 		_handleRulerEvent: function (e) {
 			var target = e.target ? e.target : e.srcElement;
 			var lineIndex = target.lineIndex;
 			var element = target;
 			while (element && !element._ruler) {
 				if (lineIndex === undefined && element.lineIndex !== undefined) {
 					lineIndex = element.lineIndex;
 				}
 				element = element.parentNode;
 			}
 			var ruler = element ? element._ruler : null;
 			if (lineIndex === undefined && ruler && ruler.getOverview() === "document") { //$NON-NLS-0$
 				var clientHeight = this._getClientHeight ();
 				var lineCount = this._model.getLineCount ();
 				var viewPad = this._getViewPadding();
 				var viewRect = this._viewDiv.getBoundingClientRect();
 				var trackHeight = clientHeight + viewPad.top + viewPad.bottom - 2 * this._metrics.scrollWidth;
 				lineIndex = Math.floor(((e.clientY - viewRect.top) - this._metrics.scrollWidth) * lineCount / trackHeight);
 				if (!(0 <= lineIndex && lineIndex < lineCount)) {
 					lineIndex = undefined;
 				}
 			}
 			if (ruler) {
 				switch (e.type) {
 					case "click": //$NON-NLS-0$
 						if (ruler.onClick) { ruler.onClick(lineIndex, e); }
 						break;
 					case "dblclick": //$NON-NLS-0$
 						if (ruler.onDblClick) { ruler.onDblClick(lineIndex, e); }
 						break;
 					case "mousemove": //$NON-NLS-0$
 						if (ruler.onMouseMove) { ruler.onMouseMove(lineIndex, e); }
 						break;
 					case "mouseover": //$NON-NLS-0$
 						if (ruler.onMouseOver) { ruler.onMouseOver(lineIndex, e); }
 						break;
 					case "mouseout": //$NON-NLS-0$
 						if (ruler.onMouseOut) {
 							var tmp = e.relatedTarget;
 							while (tmp && tmp !== this._rootDiv) {
 								if (tmp === element) {
 									return;
 								}
 								tmp = tmp.parentNode;
 							}
 							ruler.onMouseOut(lineIndex, e);
 						}
 						break;
 				}
 			}
 		},
 		_handleScroll: function () {
 			var scroll = this._getScroll(false);
 			var oldX = this._hScroll;
 			var oldY = this._vScroll;
 			if (oldX !== scroll.x || oldY !== scroll.y) {
 				this._hScroll = scroll.x;
 				this._vScroll = scroll.y;
 				this._commitIME();
 				this._update(oldY === scroll.y);
 				var e = {
 					type: "Scroll", //$NON-NLS-0$
 					oldValue: {x: oldX, y: oldY},
 					newValue: scroll
 				};
 				this.onScroll(e);
 			}
 		},
 		_handleSelectStart: function (e) {
 			if (this._ignoreSelect) {
 				if (e && e.preventDefault) { e.preventDefault(); }
 				return false;
 			}
 		},
 		_getModelOffset: function(node, offset) {
 			if (!node) { return; }
 			var lineNode;
 			if (node.tagName === "DIV") { //$NON-NLS-0$
 				lineNode = node;
 			} else {
 				lineNode = node.parentNode.parentNode;
 			}
 			var lineOffset = 0;
 			var lineIndex = lineNode.lineIndex;
 			if (node.tagName !== "DIV") { //$NON-NLS-0$
 				var child = lineNode.firstChild;
 				while (child) {
 					var textNode = child.firstChild;
 					if (textNode === node) {
 						if (child.ignoreChars) { lineOffset -= child.ignoreChars; }
 						lineOffset += offset;
 						break;
 					}
 					if (child.ignoreChars) { lineOffset -= child.ignoreChars; }
 					lineOffset += textNode.data.length;
 					child = child.nextSibling;
 				}
 			}
 			return Math.max(0, lineOffset) + this._model.getLineStart(lineIndex);
 		},
 		_updateSelectionFromDOM: function() {
 			var window = this._getWindow();
 			var selection = window.getSelection();
 			var start = this._getModelOffset(selection.anchorNode, selection.anchorOffset);
 			var end = this._getModelOffset(selection.focusNode, selection.focusOffset);
 			if (start === undefined || end === undefined) {
 			    return;
 			}
 			this._setSelection(new Selection(start, end), false, false);
 		},
 		_handleSelectionChange: function (e) {
 			if (this._imeOffset !== -1) {
 				return;
 			}
 			/*
 			 * Feature in Android. The selection handles are hidden when the DOM changes. Sending
 			 * selection events to the application while the user is moving the selection handles
 			 * may hide the handles unexpectedly.  The fix is to delay updating the selection and
 			 * sending the event to the application.
 			 */
 			if (util.isAndroid) {
 				var window = this._getWindow();
 				if (this._selTimer) {
 					window.clearTimeout(this._selTimer);
 				}
 				var that = this;
 				this._selTimer = window.setTimeout(function() {
 					if (!that._clientDiv) { return; }
 					that._selTimer = null;
 					that._updateSelectionFromDOM();
 				}, 250);
 			} else {
 				this._updateSelectionFromDOM();
 			}
 		},
 		_handleTextInput: function (e) {
 			if (this._ignoreEvent(e)) { return; }
 			this._imeOffset = -1;
 			if (util.isAndroid) {
 				var selection = this._getWindow().getSelection();
 				var temp = selection.anchorNode;
 				while (temp) {
 					if (temp.lineIndex !== undefined) {
 						break;
 					}
 					temp = temp.parentNode;
 				}
 				if (temp) {
 					var model = this._model;
 					var lineIndex = temp.lineIndex;
 					var oldText = model.getLine(lineIndex), text = oldText;
 					var offset = 0;
 					var lineStart = model.getLineStart(lineIndex);
 					if (selection.rangeCount > 0) {
 						selection.getRangeAt(0).deleteContents();
 						var node = temp.ownerDocument.createTextNode(e.data);
 						selection.getRangeAt(0).insertNode(node);
 						var nodeText = this._getDOMText(temp, node);
 						text = nodeText.text;
 						offset = nodeText.offset;
 						node.parentNode.removeChild(node);
 					}
 					temp.lineRemoved = true;

 					var start = 0;
 					while (oldText.charCodeAt(start) === text.charCodeAt(start) && start < offset) {
 						start++;
 					}

 					var end = oldText.length - 1, delta = text.length - oldText.length;
 					while (oldText.charCodeAt(end) === text.charCodeAt(end + delta) && end + delta >= offset + e.data.length) {
 						end--;
 					}
 					end++;

 					var deltaText = text.substring(start, end + delta);
 					start += lineStart;
 					end += lineStart;

 					this._modifyContent({text: deltaText, start: start, end: end, _ignoreDOMSelection: true}, true);
 				}
 			} else {
 				this._doContent(e.data);
 			}
 			e.preventDefault();
 		},
 		_handleTouchStart: function (e) {
 			this._commitIME();
 			var window = this._getWindow();
 			if (this._touchScrollTimer) {
 				this._vScrollDiv.style.display = "none"; //$NON-NLS-0$
 				this._hScrollDiv.style.display = "none"; //$NON-NLS-0$
 				window.clearInterval(this._touchScrollTimer);
 				this._touchScrollTimer = null;
 			}
 			var touches = e.touches;
 			if (touches.length === 1) {
 				var touch = touches[0];
 				var x = touch.clientX, y = touch.clientY;
 				this._touchStartX = x;
 				this._touchStartY = y;
 				if (util.isAndroid) {
 					/*
 					* Bug in Android 4.  The clientX/Y coordinates of the touch events
 					* include the page scrolling offsets.
 					*/
 				    if (y < (touch.pageY - window.pageYOffset) || x < (touch.pageX - window.pageXOffset) ) {
 						x = touch.pageX - window.pageXOffset;
 						y = touch.pageY - window.pageYOffset;
 				    }
 				}
 				var pt = this.convert({x: x, y: y}, "page", "document"); //$NON-NLS-1$ //$NON-NLS-0$
 				this._lastTouchOffset = this.getOffsetAtLocation(pt.x, pt.y);
 				this._touchStartTime = e.timeStamp;
 				this._touching = true;
 			}
 		},
 		_handleTouchMove: function (e) {
 			var touches = e.touches;
 			if (touches.length === 1) {
 				var touch = touches[0];
 				this._touchCurrentX = touch.clientX;
 				this._touchCurrentY = touch.clientY;
 				var interval = 10;
 				if (!this._touchScrollTimer && (e.timeStamp - this._touchStartTime) < (interval*20)) {
 					this._vScrollDiv.style.display = "block"; //$NON-NLS-0$
 					if (!this._wrapMode) {
 						this._hScrollDiv.style.display = "block"; //$NON-NLS-0$
 					}
 					var self = this;
 					var window = this._getWindow();
 					this._touchScrollTimer = window.setInterval(function() {
 						var deltaX = 0, deltaY = 0;
 						if (self._touching) {
 							deltaX = self._touchStartX - self._touchCurrentX;
 							deltaY = self._touchStartY - self._touchCurrentY;
 							self._touchSpeedX = deltaX / interval;
 							self._touchSpeedY = deltaY / interval;
 							self._touchStartX = self._touchCurrentX;
 							self._touchStartY = self._touchCurrentY;
 						} else {
 							if (Math.abs(self._touchSpeedX) < 0.1 && Math.abs(self._touchSpeedY) < 0.1) {
 								self._vScrollDiv.style.display = "none"; //$NON-NLS-0$
 								self._hScrollDiv.style.display = "none"; //$NON-NLS-0$
 								window.clearInterval(self._touchScrollTimer);
 								self._touchScrollTimer = null;
 								return;
 							} else {
 								deltaX = self._touchSpeedX * interval;
 								deltaY = self._touchSpeedY * interval;
 								self._touchSpeedX *= 0.95;
 								self._touchSpeedY *= 0.95;
 							}
 						}
 						self._scrollView(deltaX, deltaY);
 					}, interval);
 				}
 				if (this._touchScrollTimer) {
 					e.preventDefault();
 				}
 			}
 		},
 		_handleTouchEnd: function (e) {
 			var touches = e.touches;
 			if (touches.length === 0) {
 				this._touching = false;
 			}
 		},

 		/************************************ Actions ******************************************/
 		_doAction: function (e) {
 			var mode, i;
 			var keyModes = this._keyModes;
 			for (i = keyModes.length - 1 ; i >= 0; i--) {
 				mode = keyModes[i];
 				if (typeof mode.match === "function") { //$NON-NLS-0$
 					var actionID = mode.match(e);
 					if (actionID !== undefined) {
 						return this.invokeAction(actionID);
 					}
 				}
 			}
 			return false;
 		},
 		_doMove: function(args, selection) {
 			var model = this._model;
 			var caret = selection.getCaret();
 			var lineIndex = model.getLineAtOffset(caret);
 			if (!args.count) {
 				args.count = 1;
 			}
 			while (args.count !== 0) {
 				var lineStart = model.getLineStart(lineIndex);
 				if (args.count < 0 && caret === lineStart) {
 					if (lineIndex > 0) {
 						if (args.unit === "character") { //$NON-NLS-0$
 							args.count++;
 						}
 						lineIndex--;
 						selection.extend(model.getLineEnd(lineIndex));
 					} else {
 						break;
 					}
 				} else if (args.count > 0 && caret === model.getLineEnd(lineIndex)) {
 					if (lineIndex + 1 < model.getLineCount()) {
 						if (args.unit === "character") { //$NON-NLS-0$
 							args.count--;
 						}
 						lineIndex++;
 						selection.extend(model.getLineStart(lineIndex));
 					} else {
 						break;
 					}
 				} else {
 					var removeTab = false;
 					if (args.expandTab && args.unit === "character" && (caret - lineStart) % this._tabSize === 0) { //$NON-NLS-0$
 						var lineText = model.getText(lineStart, caret);
 						removeTab = !/[^ ]/.test(lineText); // Only spaces between line start and caret.
 					}
 					if (removeTab) {
 						selection.extend(caret - this._tabSize);
 						args.count += args.count < 0 ? 1 : -1;
 					} else {
 						var line = this._getLine(lineIndex);
 						selection.extend(line.getNextOffset(caret, args));
 						line.destroy();
 					}
 				}
 				caret = selection.getCaret();
 			}
 			return selection;
 		},
 		_doBackspace: function (args) {
 			var selection = this._getSelection();
 			if (selection.isEmpty()) {
 				if (!args.count) {
 					args.count = 1;
 				}
 				args.count *= -1;
 				args.expandTab = this._expandTab;
 				this._doMove(args, selection);
 			}
 			this._modifyContent({text: "", start: selection.start, end: selection.end}, true);
 			return true;
 		},
 		_doCase: function (args) {
 			var selection = this._getSelection();
 			this._doMove(args, selection);
 			var text = this.getText(selection.start, selection.end);
 			this._setSelection(selection, true);
 			switch (args.type) {
 				case "lower": text = text.toLowerCase(); break; //$NON-NLS-0$
 				case "capitalize": text = text.replace(/(?:^|\s)\S/g, function(a) { return a.toUpperCase(); }); break; //$NON-NLS-0$
 				case "reverse":  //$NON-NLS-0$
 					var newText = "";
 					for (var i=0; i<text.length; i++) {
 						var s = text[i];
 						var l = s.toLowerCase();
 						if (l !== s) {
 							s = l;
 						} else {
 							s = s.toUpperCase();
 						}
 						newText += s;
 					}
 					text = newText;
 					break;
 				default: text = text.toUpperCase(); break;
 			}
 			this._doContent(text);
 			return true;
 		},
 		_doContent: function (text) {
 			var selection = this._getSelection();
 			if (this._overwriteMode && selection.isEmpty()) {
 				var model = this._model;
 				var lineIndex = model.getLineAtOffset(selection.end);
 				if (selection.end < model.getLineEnd(lineIndex)) {
 					var line = this._getLine(lineIndex);
 					selection.extend(line.getNextOffset(selection.getCaret(), {unit:"character", count:1})); //$NON-NLS-0$
 					line.destroy();
 				}
 			}
 			this._modifyContent({text: text, start: selection.start, end: selection.end, _ignoreDOMSelection: true}, true);
 		},
 		_doCopy: function (e) {
 			var selection = this._getSelection();
 			if (!selection.isEmpty()) {
 				var text = this._getBaseText(selection.start, selection.end);
 				return this._setClipboardText(text, e);
 			}
 			return true;
 		},
 		_doCursorNext: function (args) {
 			var selection = this._getSelection();
 			if (!selection.isEmpty() && !args.select) {
 				selection.start = selection.end;
 			} else {
 				this._doMove(args, selection);
 			}
 			if (!args.select) { selection.collapse(); }
 			this._setSelection(selection, true);
 			return true;
 		},
 		_doCursorPrevious: function (args) {
 			var selection = this._getSelection();
 			if (!selection.isEmpty() && !args.select) {
 				selection.end = selection.start;
 			} else {
 				if (!args.count) {
 					args.count = 1;
 				}
 				args.count *= -1;
 				this._doMove(args, selection);
 			}
 			if (!args.select) { selection.collapse(); }
 			this._setSelection(selection, true);
 			return true;
 		},
 		_doCut: function (e) {
 			var selection = this._getSelection();
 			if (!selection.isEmpty()) {
 				var text = this._getBaseText(selection.start, selection.end);
 				this._doContent("");
 				return this._setClipboardText(text, e);
 			}
 			return true;
 		},
 		_doDelete: function (args) {
 			var selection = this._getSelection();
 			if (selection.isEmpty()) {
 				this._doMove(args, selection);
 			}
 			this._modifyContent({text: "", start: selection.start, end: selection.end}, true);
 			return true;
 		},
 		_doEnd: function (args) {
 			var selection = this._getSelection();
 			var model = this._model;
 			var callback;
 			if (args.ctrl) {
 				selection.extend(model.getCharCount());
 				callback = function() {};
 			} else {
 				var offset = selection.getCaret();
 				var lineIndex = model.getLineAtOffset(offset);
 				if (this._wrapMode) {
 					var line = this._getLine(lineIndex);
 					var visualIndex = line.getLineIndex(offset);
 					if (visualIndex === line.getLineCount() - 1) {
 						offset = model.getLineEnd(lineIndex);
 					} else {
 						offset = line.getLineStart(visualIndex + 1) - 1;
 					}
 					line.destroy();
 				} else {
 					if (args.count && args.count > 0) {
 						lineIndex = Math.min (lineIndex  + args.count - 1, model.getLineCount() - 1);
 					}
 					offset = model.getLineEnd(lineIndex);
 				}
 				selection.extend(offset);
 			}
 			if (!args.select) { selection.collapse(); }
 			this._setSelection(selection, true, true, callback);
 			return true;
 		},
 		_doEnter: function (args) {
 			var model = this._model;
 			var selection = this._getSelection();
 			this._doContent(model.getLineDelimiter());
 			if (args && args.noCursor) {
 				selection.end = selection.start;
 				this._setSelection(selection, true);
 			}
 			return true;
 		},
 		_doHome: function (args) {
 			var selection = this._getSelection();
 			var model = this._model;
 			var callback;
 			if (args.ctrl) {
 				selection.extend(0);
 				callback = function() {};
 			} else {
 				var offset = selection.getCaret();
 				var lineIndex = model.getLineAtOffset(offset);
 				if (this._wrapMode) {
 					var line = this._getLine(lineIndex);
 					var visualIndex = line.getLineIndex(offset);
 					offset = line.getLineStart(visualIndex);
 					line.destroy();
 				} else {
 					offset = model.getLineStart(lineIndex);
 				}
 				selection.extend(offset);
 			}
 			if (!args.select) { selection.collapse(); }
 			this._setSelection(selection, true, true, callback);
 			return true;
 		},
 		_doLineDown: function (args) {
 			var model = this._model;
 			var selection = this._getSelection();
 			var caret = selection.getCaret();
 			var lineIndex = model.getLineAtOffset(caret), visualIndex;
 			var line = this._getLine(lineIndex);
 			var x = this._columnX, y = 1, lastLine = false;
 			if (x === -1 || args.wholeLine || (args.select && util.isIE)) {
 				var offset = args.wholeLine ? model.getLineEnd(lineIndex + 1) : caret;
 				x = line.getBoundingClientRect(offset).left;
 			}
 			if ((visualIndex = line.getLineIndex(caret)) < line.getLineCount() - 1) {
 				y = line.getClientRects(visualIndex + 1).top + 1;
 			} else {
 				var lastLineCount = model.getLineCount() - 1;
 				lastLine = lineIndex === lastLineCount;
 				if (args.count && args.count > 0) {
 					lineIndex = Math.min (lineIndex + args.count, lastLineCount);
 				} else {
 					lineIndex++;
 				}
 			}
 			var select = false;
 			if (lastLine) {
 				if (args.select || (util.isMac || util.isLinux)) {
 					selection.extend(model.getCharCount());
 					select = true;
 				}
 			} else {
 				if (line.lineIndex !== lineIndex) {
 					line.destroy();
 					line = this._getLine(lineIndex);
 				}
 				selection.extend(line.getOffset(x, y));
 				select = true;
 			}
 			if (select) {
 				if (!args.select) { selection.collapse(); }
 				this._setSelection(selection, true, true);
 			}
 			this._columnX = x;
 			line.destroy();
 			return true;
 		},
 		_doLineUp: function (args) {
 			var model = this._model;
 			var selection = this._getSelection();
 			var caret = selection.getCaret();
 			var lineIndex = model.getLineAtOffset(caret), visualIndex;
 			var line = this._getLine(lineIndex);
 			var x = this._columnX, firstLine = false, y;
 			if (x === -1 || args.wholeLine || (args.select && util.isIE)) {
 				var offset = args.wholeLine ? model.getLineStart(lineIndex - 1) : caret;
 				x = line.getBoundingClientRect(offset).left;
 			}
 			if ((visualIndex = line.getLineIndex(caret)) > 0) {
 				y = line.getClientRects(visualIndex - 1).top + 1;
 			} else {
 				firstLine = lineIndex === 0;
 				if (!firstLine) {
 					if (args.count && args.count > 0) {
 						lineIndex = Math.max (lineIndex - args.count, 0);
 					} else {
 						lineIndex--;
 					}
 					y = this._getLineHeight(lineIndex) - 1;
 				}
 			}
 			var select = false;
 			if (firstLine) {
 				if (args.select || (util.isMac || util.isLinux)) {
 					selection.extend(0);
 					select = true;
 				}
 			} else {
 				if (line.lineIndex !== lineIndex) {
 					line.destroy();
 					line = this._getLine(lineIndex);
 				}
 				selection.extend(line.getOffset(x, y));
 				select = true;
 			}
 			if (select) {
 				if (!args.select) { selection.collapse(); }
 				this._setSelection(selection, true, true);
 			}
 			this._columnX = x;
 			line.destroy();
 			return true;
 		},
 		_doNoop: function () {
 			return true;
 		},
 		_doPageDown: function (args) {
 			var self = this;
 			var model = this._model;
 			var selection = this._getSelection();
 			var caret = selection.getCaret();
 			var caretLine = model.getLineAtOffset(caret);
 			var lineCount = model.getLineCount();
 			var scroll = this._getScroll();
 			var clientHeight = this._getClientHeight(), x, line;
 			if (this._lineHeight) {
 				x = this._columnX;
 				var caretRect = this._getBoundsAtOffset(caret);
 				if (x === -1 || (args.select && util.isIE)) {
 					x = caretRect.left;
 				}
 				var lineIndex = this._getLineIndex(caretRect.top + clientHeight);
 				line = this._getLine(lineIndex);
 				var linePixel = this._getLinePixel(lineIndex);
 				var y = caretRect.top + clientHeight - linePixel;
 				caret = line.getOffset(x, y);
 				var rect = line.getBoundingClientRect(caret);
 				line.destroy();
 				selection.extend(caret);
 				if (!args.select) { selection.collapse(); }
 				this._setSelection(selection, true, true, function() {
 					self._columnX = x;
 				}, rect.top + linePixel - caretRect.top);
 				return true;
 			}
 			if (caretLine < lineCount - 1) {
 				var lineHeight = this._getLineHeight();
 				var lines = Math.floor(clientHeight / lineHeight);
 				var scrollLines = Math.min(lineCount - caretLine - 1, lines);
 				scrollLines = Math.max(1, scrollLines);
 				x = this._columnX;
 				if (x === -1 || (args.select && util.isIE)) {
 					line = this._getLine(caretLine);
 					x = line.getBoundingClientRect(caret).left;
 					line.destroy();
 				}
 				line = this._getLine(caretLine + scrollLines);
 				selection.extend(line.getOffset(x, 0));
 				line.destroy();
 				if (!args.select) { selection.collapse(); }
 				var verticalMaximum = lineCount * lineHeight;
 				var scrollOffset = scroll.y + scrollLines * lineHeight;
 				if (scrollOffset + clientHeight > verticalMaximum) {
 					scrollOffset = verticalMaximum - clientHeight;
 				}
 				this._setSelection(selection, true, true, function() {
 					self._columnX = x;
 				}, scrollOffset - scroll.y);
 			}
 			return true;
 		},
 		_doPageUp: function (args) {
 			var self = this;
 			var model = this._model;
 			var selection = this._getSelection();
 			var caret = selection.getCaret();
 			var caretLine = model.getLineAtOffset(caret);
 			var scroll = this._getScroll();
 			var clientHeight = this._getClientHeight(), x, line;
 			if (this._lineHeight) {
 				x = this._columnX;
 				var caretRect = this._getBoundsAtOffset(caret);
 				if (x === -1 || (args.select && util.isIE)) {
 					x = caretRect.left;
 				}
 				var lineIndex = this._getLineIndex(caretRect.bottom - clientHeight);
 				line = this._getLine(lineIndex);
 				var linePixel = this._getLinePixel(lineIndex);
 				var y = (caretRect.bottom - clientHeight) - linePixel;
 				caret = line.getOffset(x, y);
 				var rect = line.getBoundingClientRect(caret);
 				line.destroy();
 				selection.extend(caret);
 				if (!args.select) { selection.collapse(); }
 				this._setSelection(selection, true, true, function() {
 					self._columnX = x;
 				}, rect.top + linePixel - caretRect.top);
 				return true;
 			}
 			if (caretLine > 0) {
 				var lineHeight = this._getLineHeight();
 				var lines = Math.floor(clientHeight / lineHeight);
 				var scrollLines = Math.max(1, Math.min(caretLine, lines));
 				x = this._columnX;
 				if (x === -1 || (args.select && util.isIE)) {
 					line = this._getLine(caretLine);
 					x = line.getBoundingClientRect(caret).left;
 					line.destroy();
 				}
 				line = this._getLine(caretLine - scrollLines);
 				selection.extend(line.getOffset(x, this._getLineHeight(caretLine - scrollLines) - 1));
 				line.destroy();
 				if (!args.select) { selection.collapse(); }
 				var scrollOffset = Math.max(0, scroll.y - scrollLines * lineHeight);
 				this._setSelection(selection, true, true, function() {
 					self._columnX = x;
 				}, scrollOffset - scroll.y);
 			}
 			return true;
 		},
 		_doPaste: function(e) {
 			var self = this;
 			var result = this._getClipboardText(e, function(text) {
 				if (text) {
 					if (util.isLinux && self._lastMouseButton === 2) {
 						var timeDiff = new Date().getTime() - self._lastMouseTime;
 						if (timeDiff <= self._clickTime) {
 							self._setSelectionTo(self._lastMouseX, self._lastMouseY);
 						}
 					}
 					self._doContent(text);
 				}
 			});
 			return result !== null;
 		},
 		_doScroll: function (args) {
 			var type = args.type;
 			var model = this._model;
 			var lineCount = model.getLineCount();
 			var clientHeight = this._getClientHeight();
 			var lineHeight = this._getLineHeight();
 			var verticalMaximum = lineCount * lineHeight;
 			var verticalScrollOffset = this._getScroll().y;
 			var pixel;
 			switch (type) {
 				case "textStart": pixel = 0; break; //$NON-NLS-0$
 				case "textEnd": pixel = verticalMaximum - clientHeight; break; //$NON-NLS-0$
 				case "pageDown": pixel = verticalScrollOffset + clientHeight; break; //$NON-NLS-0$
 				case "pageUp": pixel = verticalScrollOffset - clientHeight; break; //$NON-NLS-0$
 				case "lineDown": pixel = verticalScrollOffset + lineHeight; break; //$NON-NLS-0$
 				case "lineUp": pixel = verticalScrollOffset - lineHeight; break; //$NON-NLS-0$
 				case "centerLine": //$NON-NLS-0$
 					var selection = this._getSelection();
 					var lineStart = model.getLineAtOffset(selection.start);
 					var lineEnd = model.getLineAtOffset(selection.end);
 					var selectionHeight = (lineEnd - lineStart + 1) * lineHeight;
 					pixel = (lineStart * lineHeight) - (clientHeight / 2) + (selectionHeight / 2);
 					break;
 			}
 			if (pixel !== undefined) {
 				pixel = Math.min(Math.max(0, pixel), verticalMaximum - clientHeight);
 				this._scrollViewAnimated(0, pixel - verticalScrollOffset, function() {});
 			}
 			return true;
 		},
 		_doSelectAll: function (args) {
 			var model = this._model;
 			var selection = this._getSelection();
 			selection.setCaret(0);
 			selection.extend(model.getCharCount());
 			this._setSelection(selection, false);
 			return true;
 		},
 		_doTab: function (args) {
 			if (!this._tabMode || this._readonly) { return; }
 			var text = "\t"; //$NON-NLS-0$
 			if (this._expandTab) {
 				var model = this._model;
 				var caret = this._getSelection().getCaret();
 				var lineIndex = model.getLineAtOffset(caret);
 				var lineStart = model.getLineStart(lineIndex);
 				var spaces = this._tabSize - ((caret - lineStart) % this._tabSize);
 				text = (new Array(spaces + 1)).join(" "); //$NON-NLS-0$
 			}
 			this._doContent(text);
 			return true;
 		},
 		_doShiftTab: function (args) {
 			if (!this._tabMode || this._readonly) { return; }
 			return true;
 		},
 		_doOverwriteMode: function (args) {
 			if (this._readonly) { return; }
 			this.setOptions({overwriteMode: !this.getOptions("overwriteMode")}); //$NON-NLS-0$
 			return true;
 		},
 		_doTabMode: function (args) {
 			this._tabMode = !this._tabMode;
 			return true;
 		},
 		_doWrapMode: function (args) {
 			this.setOptions({wrapMode: !this.getOptions("wrapMode")}); //$NON-NLS-0$
 			return true;
 		},

 		/************************************ Internals ******************************************/
 		_autoScroll: function () {
 			var model = this._model;
 			var selection = this._getSelection();
 			var pt = this.convert({x: this._autoScrollX, y: this._autoScrollY}, "page", "document"); //$NON-NLS-1$ //$NON-NLS-0$
 			var caret = selection.getCaret();
 			var lineCount = model.getLineCount();
 			var caretLine = model.getLineAtOffset(caret), lineIndex, line;
 			if (this._autoScrollDir === "up" || this._autoScrollDir === "down") { //$NON-NLS-1$ //$NON-NLS-0$
 				var scroll = this._autoScrollY / this._getLineHeight();
 				scroll = scroll < 0 ? Math.floor(scroll) : Math.ceil(scroll);
 				lineIndex = caretLine;
 				lineIndex = Math.max(0, Math.min(lineCount - 1, lineIndex + scroll));
 			} else if (this._autoScrollDir === "left" || this._autoScrollDir === "right") { //$NON-NLS-1$ //$NON-NLS-0$
 				lineIndex = this._getLineIndex(pt.y);
 				line = this._getLine(caretLine);
 				pt.x += line.getBoundingClientRect(caret, false).left;
 				line.destroy();
 			}
 			if (lineIndex === 0 && (util.isMac || util.isLinux)) {
 				selection.extend(0);
 			} else if (lineIndex === lineCount - 1 && (util.isMac || util.isLinux)) {
 				selection.extend(model.getCharCount());
 			} else {
 				line = this._getLine(lineIndex);
 				selection.extend(line.getOffset(pt.x, pt.y - this._getLinePixel(lineIndex)));
 				line.destroy();
 			}
 			this._setSelection(selection, true);
 		},
 		_autoScrollTimer: function () {
 			this._autoScroll();
 			var self = this;
 			var window = this._getWindow();
 			this._autoScrollTimerID = window.setTimeout(function () {self._autoScrollTimer();}, this._AUTO_SCROLL_RATE);
 		},
 		_calculateLineHeightTimer: function(calculate) {
 			if (!this._lineHeight) { return; }
 			if (this._calculateLHTimer) { return; }
 			var lineCount = this._model.getLineCount(), i = 0;
 			if (calculate) {
 				var c = 0;
 				var MAX_TIME = 100;
 				var start = new Date().getTime(), firstLine = 0;
 				while (i < lineCount) {
 					if (!this._lineHeight[i]) {
 						c++;
 						if (!firstLine) { firstLine = i; }
 						this._lineHeight[i] = this._calculateLineHeight(i);
 					}
 					i++;
 					if ((new Date().getTime() - start) > MAX_TIME) {
 						break;
 					}
 				}
 				this.redrawRulers(0, lineCount);
 				this._queueUpdate();
 			}
 			var window = this._getWindow();
 			if (i !== lineCount) {
 				var self = this;
 				this._calculateLHTimer = window.setTimeout(function() {
 					self._calculateLHTimer = null;
 					self._calculateLineHeightTimer(true);
 				}, 0);
 				return;
 			}
 			if (this._calculateLHTimer) {
 				window.clearTimeout(this._calculateLHTimer);
 				this._calculateLHTimer = undefined;
 			}
 		},
 		_calculateLineHeight: function(lineIndex) {
 			var line = this._getLine(lineIndex);
 			var rect = line.getBoundingClientRect();
 			line.destroy();
 			return Math.max(1, rect.bottom - rect.top);
 		},
 		_calculateMetrics: function() {
 			var parent = this._clientDiv;
 			var document = parent.ownerDocument;
 			var c = " "; //$NON-NLS-0$
 			var line = util.createElement(document, "div"); //$NON-NLS-0$
 			line.style.lineHeight = "normal"; //$NON-NLS-0$
 			var model = this._model;
 			var lineText = model.getLine(0);
 			var e = {type:"LineStyle", textView: this, 0: 0, lineText: lineText, lineStart: 0}; //$NON-NLS-0$
 			this.onLineStyle(e);
 			applyStyle(e.style, line);
 			line.style.position = "fixed"; //$NON-NLS-0$
 			line.style.left = "-1000px"; //$NON-NLS-0$
 			var span1 = util.createElement(document, "span"); //$NON-NLS-0$
 			span1.appendChild(document.createTextNode(c));
 			line.appendChild(span1);
 			var span2 = util.createElement(document, "span"); //$NON-NLS-0$
 			span2.style.fontStyle = "italic"; //$NON-NLS-0$
 			span2.appendChild(document.createTextNode(c));
 			line.appendChild(span2);
 			var span3 = util.createElement(document, "span"); //$NON-NLS-0$
 			span3.style.fontWeight = "bold"; //$NON-NLS-0$
 			span3.appendChild(document.createTextNode(c));
 			line.appendChild(span3);
 			var span4 = util.createElement(document, "span"); //$NON-NLS-0$
 			span4.style.fontWeight = "bold"; //$NON-NLS-0$
 			span4.style.fontStyle = "italic"; //$NON-NLS-0$
 			span4.appendChild(document.createTextNode(c));
 			line.appendChild(span4);
 			parent.appendChild(line);
 			var lineRect = line.getBoundingClientRect();
 			var spanRect1 = span1.getBoundingClientRect();
 			var spanRect2 = span2.getBoundingClientRect();
 			var spanRect3 = span3.getBoundingClientRect();
 			var spanRect4 = span4.getBoundingClientRect();
 			var h1 = spanRect1.bottom - spanRect1.top;
 			var h2 = spanRect2.bottom - spanRect2.top;
 			var h3 = spanRect3.bottom - spanRect3.top;
 			var h4 = spanRect4.bottom - spanRect4.top;
 			var fontStyle = 0;
 			var invalid = (lineRect.bottom - lineRect.top) <= 0;
 			var lineHeight = Math.max(1, lineRect.bottom - lineRect.top);
 			if (h2 > h1) {
 				fontStyle = 1;
 			}
 			if (h3 > h2) {
 				fontStyle = 2;
 			}
 			if (h4 > h3) {
 				fontStyle = 3;
 			}
 			var style;
 			if (fontStyle !== 0) {
 				style = {style: {}};
 				if ((fontStyle & 1) !== 0) {
 					style.style.fontStyle = "italic"; //$NON-NLS-0$
 				}
 				if ((fontStyle & 2) !== 0) {
 					style.style.fontWeight = "bold"; //$NON-NLS-0$
 				}
 			}
 			var trim = getLineTrim(line);
 			parent.removeChild(line);

 			// calculate pad and scroll width
 			var pad = getPadding(this._viewDiv);
 			var div1 = util.createElement(document, "div"); //$NON-NLS-0$
 			div1.style.position = "fixed"; //$NON-NLS-0$
 			div1.style.left = "-1000px"; //$NON-NLS-0$
 			div1.style.paddingLeft = pad.left + "px"; //$NON-NLS-0$
 			div1.style.paddingTop = pad.top + "px"; //$NON-NLS-0$
 			div1.style.paddingRight = pad.right + "px"; //$NON-NLS-0$
 			div1.style.paddingBottom = pad.bottom + "px"; //$NON-NLS-0$
 			div1.style.width = "100px"; //$NON-NLS-0$
 			div1.style.height = "100px"; //$NON-NLS-0$
 			var div2 = util.createElement(document, "div"); //$NON-NLS-0$
 			div2.style.width = "100%"; //$NON-NLS-0$
 			div2.style.height = "100%"; //$NON-NLS-0$
 			div1.appendChild(div2);
 			parent.appendChild(div1);
 			var rect1 = div1.getBoundingClientRect();
 			var rect2 = div2.getBoundingClientRect();
 			var scrollWidth = 0;
 			if (!this._singleMode) {
 				div1.style.overflow = 'hidden'; //$NON-NLS-0$
 				div2.style.height = "200px"; //$NON-NLS-0$
 				var w1 = div1.clientWidth;
 				div1.style.overflow = 'scroll'; //$NON-NLS-0$
 				var w2 = div1.clientWidth;
 				parent.removeChild(div1);
 				scrollWidth = w1 - w2;
 			}
 			pad = {
 				left: rect2.left - rect1.left,
 				top: rect2.top - rect1.top,
 				right: rect1.right - rect2.right,
 				bottom: rect1.bottom - rect2.bottom
 			};
 			return {lineHeight: lineHeight, largestFontStyle: style, lineTrim: trim, viewPadding: pad, scrollWidth: scrollWidth, invalid: invalid};
 		},
 		_cancelAnimation: function() {
 			if (this._animation) {
 				this._animation.stop();
 				this._animation = null;
 			}
 		},
 		_clearSelection: function (direction) {
 			var selection = this._getSelection();
 			if (selection.isEmpty()) { return false; }
 			if (direction === "next") { //$NON-NLS-0$
 				selection.start = selection.end;
 			} else {
 				selection.end = selection.start;
 			}
 			this._setSelection(selection, true);
 			return true;
 		},
 		_commitIME: function () {
 			if (this._imeOffset === -1) { return; }
 			// make the state of the IME match the state the view expects it be in
 			// when the view commits the text and IME also need to be committed
 			// this can be accomplished by changing the focus around
 			this._scrollDiv.focus();
 			this._clientDiv.focus();

 			var model = this._model;
 			var lineIndex = model.getLineAtOffset(this._imeOffset);
 			var lineStart = model.getLineStart(lineIndex);
 			var newText = this._getDOMText(this._getLineNode(lineIndex)).text;
 			var oldText = model.getLine(lineIndex);
 			var start = this._imeOffset - lineStart;
 			var end = start + newText.length - oldText.length;
 			if (start !== end) {
 				var insertText = newText.substring(start, end);
 				this._doContent(insertText);
 			}
 			this._imeOffset = -1;
 		},
 		_createActions: function () {
 			this.addKeyMode(new mKeyModes.DefaultKeyMode(this));
 			//1 to 1, no duplicates
 			var self = this;
 			this._actions = {
 				"noop": {defaultHandler: function() {return self._doNoop();}}, //$NON-NLS-0$

 				"lineUp": {defaultHandler: function(data) {return self._doLineUp(merge(data,{select: false}));}, actionDescription: {name: messages.lineUp}}, //$NON-NLS-0$
 				"lineDown": {defaultHandler: function(data) {return self._doLineDown(merge(data,{select: false}));}, actionDescription: {name: messages.lineDown}}, //$NON-NLS-0$
 				"lineStart": {defaultHandler: function(data) {return self._doHome(merge(data,{select: false, ctrl:false}));}, actionDescription: {name: messages.lineStart}}, //$NON-NLS-0$
 				"lineEnd": {defaultHandler: function(data) {return self._doEnd(merge(data,{select: false, ctrl:false}));}, actionDescription: {name: messages.lineEnd}}, //$NON-NLS-0$
 				"charPrevious": {defaultHandler: function(data) {return self._doCursorPrevious(merge(data,{select: false, unit:"character"}));}, actionDescription: {name: messages.charPrevious}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"charNext": {defaultHandler: function(data) {return self._doCursorNext(merge(data,{select: false, unit:"character"}));}, actionDescription: {name: messages.charNext}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"pageUp": {defaultHandler: function(data) {return self._doPageUp(merge(data,{select: false}));}, actionDescription: {name: messages.pageUp}}, //$NON-NLS-0$
 				"pageDown": {defaultHandler: function(data) {return self._doPageDown(merge(data,{select: false}));}, actionDescription: {name: messages.pageDown}}, //$NON-NLS-0$
 				"scrollPageUp": {defaultHandler: function(data) {return self._doScroll(merge(data,{type: "pageUp"}));}, actionDescription: {name: messages.scrollPageUp}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"scrollPageDown": {defaultHandler: function(data) {return self._doScroll(merge(data,{type: "pageDown"}));}, actionDescription: {name: messages.scrollPageDown}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"scrollLineUp": {defaultHandler: function(data) {return self._doScroll(merge(data,{type: "lineUp"}));}, actionDescription: {name: messages.scrollLineUp}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"scrollLineDown": {defaultHandler: function(data) {return self._doScroll(merge(data,{type: "lineDown"}));}, actionDescription: {name: messages.scrollLineDown}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"wordPrevious": {defaultHandler: function(data) {return self._doCursorPrevious(merge(data,{select: false, unit:"word"}));}, actionDescription: {name: messages.wordPrevious}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"wordNext": {defaultHandler: function(data) {return self._doCursorNext(merge(data,{select: false, unit:"word"}));}, actionDescription: {name: messages.wordNext}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"textStart": {defaultHandler: function(data) {return self._doHome(merge(data,{select: false, ctrl:true}));}, actionDescription: {name: messages.textStart}}, //$NON-NLS-0$
 				"textEnd": {defaultHandler: function(data) {return self._doEnd(merge(data,{select: false, ctrl:true}));}, actionDescription: {name: messages.textEnd}}, //$NON-NLS-0$
 				"scrollTextStart": {defaultHandler: function(data) {return self._doScroll(merge(data,{type: "textStart"}));}, actionDescription: {name: messages.scrollTextStart}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"scrollTextEnd": {defaultHandler: function(data) {return self._doScroll(merge(data,{type: "textEnd"}));}, actionDescription: {name: messages.scrollTextEnd}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"centerLine": {defaultHandler: function(data) {return self._doScroll(merge(data,{type: "centerLine"}));}, actionDescription: {name: messages.centerLine}}, //$NON-NLS-1$ //$NON-NLS-0$

 				"selectLineUp": {defaultHandler: function(data) {return self._doLineUp(merge(data,{select: true}));}, actionDescription: {name: messages.selectLineUp}}, //$NON-NLS-0$
 				"selectLineDown": {defaultHandler: function(data) {return self._doLineDown(merge(data,{select: true}));}, actionDescription: {name: messages.selectLineDown}}, //$NON-NLS-0$
 				"selectWholeLineUp": {defaultHandler: function(data) {return self._doLineUp(merge(data,{select: true, wholeLine: true}));}, actionDescription: {name: messages.selectWholeLineUp}}, //$NON-NLS-0$
 				"selectWholeLineDown": {defaultHandler: function(data) {return self._doLineDown(merge(data,{select: true, wholeLine: true}));}, actionDescription: {name: messages.selectWholeLineDown}}, //$NON-NLS-0$
 				"selectLineStart": {defaultHandler: function(data) {return self._doHome(merge(data,{select: true, ctrl:false}));}, actionDescription: {name: messages.selectLineStart}}, //$NON-NLS-0$
 				"selectLineEnd": {defaultHandler: function(data) {return self._doEnd(merge(data,{select: true, ctrl:false}));}, actionDescription: {name: messages.selectLineEnd}}, //$NON-NLS-0$
 				"selectCharPrevious": {defaultHandler: function(data) {return self._doCursorPrevious(merge(data,{select: true, unit:"character"}));}, actionDescription: {name: messages.selectCharPrevious}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"selectCharNext": {defaultHandler: function(data) {return self._doCursorNext(merge(data,{select: true, unit:"character"}));}, actionDescription: {name: messages.selectCharNext}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"selectPageUp": {defaultHandler: function(data) {return self._doPageUp(merge(data,{select: true}));}, actionDescription: {name: messages.selectPageUp}}, //$NON-NLS-0$
 				"selectPageDown": {defaultHandler: function(data) {return self._doPageDown(merge(data,{select: true}));}, actionDescription: {name: messages.selectPageDown}}, //$NON-NLS-0$
 				"selectWordPrevious": {defaultHandler: function(data) {return self._doCursorPrevious(merge(data,{select: true, unit:"word"}));}, actionDescription: {name: messages.selectWordPrevious}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"selectWordNext": {defaultHandler: function(data) {return self._doCursorNext(merge(data,{select: true, unit:"word"}));}, actionDescription: {name: messages.selectWordNext}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"selectTextStart": {defaultHandler: function(data) {return self._doHome(merge(data,{select: true, ctrl:true}));}, actionDescription: {name: messages.selectTextStart}}, //$NON-NLS-0$
 				"selectTextEnd": {defaultHandler: function(data) {return self._doEnd(merge(data,{select: true, ctrl:true}));}, actionDescription: {name: messages.selectTextEnd}}, //$NON-NLS-0$

 				"deletePrevious": {defaultHandler: function(data) {return self._doBackspace(merge(data,{unit:"character"}));}, actionDescription: {name: messages.deletePrevious}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"deleteNext": {defaultHandler: function(data) {return self._doDelete(merge(data,{unit:"character"}));}, actionDescription: {name: messages.deleteNext}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"deleteWordPrevious": {defaultHandler: function(data) {return self._doBackspace(merge(data,{unit:"word"}));}, actionDescription: {name: messages.deleteWordPrevious}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"deleteWordNext": {defaultHandler: function(data) {return self._doDelete(merge(data,{unit:"word"}));}, actionDescription: {name: messages.deleteWordNext}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"deleteLineStart": {defaultHandler: function(data) {return self._doBackspace(merge(data,{unit: "line"}));}, actionDescription: {name: messages.deleteLineStart}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"deleteLineEnd": {defaultHandler: function(data) {return self._doDelete(merge(data,{unit: "line"}));}, actionDescription: {name: messages.deleteLineEnd}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"tab": {defaultHandler: function(data) {return self._doTab();}, actionDescription: {name: messages.tab}}, //$NON-NLS-0$
 				"shiftTab": {defaultHandler: function(data) {return self._doShiftTab();}, actionDescription: {name: messages.shiftTab}}, //$NON-NLS-0$
 				"enter": {defaultHandler: function(data) {return self._doEnter();}, actionDescription: {name: messages.enter}}, //$NON-NLS-0$
 				"enterNoCursor": {defaultHandler: function(data) {return self._doEnter(merge(data,{noCursor:true}));}, actionDescription: {name: messages.enterNoCursor}}, //$NON-NLS-0$
 				"selectAll": {defaultHandler: function(data) {return self._doSelectAll();}, actionDescription: {name: messages.selectAll}}, //$NON-NLS-0$
 				"copy": {defaultHandler: function(data) {return self._doCopy();}, actionDescription: {name: messages.copy}}, //$NON-NLS-0$
 				"cut": {defaultHandler: function(data) {return self._doCut();}, actionDescription: {name: messages.cut}}, //$NON-NLS-0$
 				"paste": {defaultHandler: function(data) {return self._doPaste();}, actionDescription: {name: messages.paste}}, //$NON-NLS-0$

 				"uppercase": {defaultHandler: function(data) {return self._doCase(merge(data,{type: "upper"}));}, actionDescription: {name: messages.uppercase}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"lowercase": {defaultHandler: function(data) {return self._doCase(merge(data,{type: "lower"}));}, actionDescription: {name: messages.lowercase}}, //$NON-NLS-1$ //$NON-NLS-0$
 				"capitalize": {defaultHandler: function(data) {return self._doCase(merge(data,{unit: "word", type: "capitalize"}));}, actionDescription: {name: messages.capitalize}}, //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 				"reversecase": {defaultHandler: function(data) {return self._doCase(merge(data,{type: "reverse"}));}, actionDescription: {name: messages.reversecase}}, //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$

 				"toggleOverwriteMode": {defaultHandler: function(data) {return self._doOverwriteMode();}, actionDescription: {name: messages.toggleOverwriteMode}}, //$NON-NLS-0$
 				"toggleTabMode": {defaultHandler: function(data) {return self._doTabMode();}, actionDescription: {name: messages.toggleTabMode}}, //$NON-NLS-0$
 				"toggleWrapMode": {defaultHandler: function(data) {return self._doWrapMode();}, actionDescription: {name: messages.toggleWrapMode}} //$NON-NLS-0$
 			};
 		},
 		_createRuler: function(ruler, index) {
 			if (!this._clientDiv) { return; }
 			var side = ruler.getLocation();
 			var rulerParent = side === "left" ? this._leftDiv : this._rightDiv; //$NON-NLS-0$
 			rulerParent.style.display = "block"; //$NON-NLS-0$
 			var div = util.createElement(rulerParent.ownerDocument, "div"); //$NON-NLS-0$
 			div._ruler = ruler;
 			div.rulerChanged = true;
 			div.style.position = "relative"; //$NON-NLS-0$
 			div.style.cssFloat = "left"; //$NON-NLS-0$
 			div.style.styleFloat = "left"; //$NON-NLS-0$
 			div.style.borderWidth = "0px"; //$NON-NLS-0$
 			div.style.margin = "0px"; //$NON-NLS-0$
 			div.style.padding = "0px"; //$NON-NLS-0$
 			div.style.outline = "none"; //$NON-NLS-0$
 			if (index === undefined || index < 0 || index >= rulerParent.children.length) {
 				rulerParent.appendChild(div);
 			} else {
 				var sibling = rulerParent.firstChild;
 				while (sibling && index-- > 0) {
 					sibling = sibling.nextSibling;
 				}
 				rulerParent.insertBefore(div, sibling);
 			}
 		},
 		_createView: function() {
 			if (this._clientDiv) { return; }
 			var parent = this._parent;
 			while (parent.hasChildNodes()) { parent.removeChild(parent.lastChild); }

 			var document = parent.ownerDocument;
 			var rootDiv = util.createElement(document, "div"); //$NON-NLS-0$
 			this._rootDiv = rootDiv;
 			rootDiv.tabIndex = -1;
 			rootDiv.style.position = "relative"; //$NON-NLS-0$
 			rootDiv.style.overflow = "hidden"; //$NON-NLS-0$
 			rootDiv.style.width = "100%"; //$NON-NLS-0$
 			rootDiv.style.height = "100%"; //$NON-NLS-0$
 			rootDiv.style.overflow = "hidden"; //$NON-NLS-0$
 			rootDiv.style.WebkitTextSizeAdjust = "100%"; //$NON-NLS-0$
 			rootDiv.setAttribute("role", "application"); //$NON-NLS-1$ //$NON-NLS-0$
 			parent.appendChild(rootDiv);

 			var leftDiv = util.createElement(document, "div"); //$NON-NLS-0$
 			leftDiv.className = "textviewLeftRuler"; //$NON-NLS-0$
 			this._leftDiv = leftDiv;
 			leftDiv.tabIndex = -1;
 			leftDiv.style.overflow = "hidden"; //$NON-NLS-0$
 			leftDiv.style.MozUserSelect = "none"; //$NON-NLS-0$
 			leftDiv.style.WebkitUserSelect = "none"; //$NON-NLS-0$
 			leftDiv.style.position = "absolute"; //$NON-NLS-0$
 			leftDiv.style.top = "0px"; //$NON-NLS-0$
 			leftDiv.style.bottom = "0px"; //$NON-NLS-0$
 			leftDiv.style.cursor = "default"; //$NON-NLS-0$
 			leftDiv.style.display = "none"; //$NON-NLS-0$
 			leftDiv.setAttribute("aria-hidden", "true"); //$NON-NLS-1$ //$NON-NLS-0$
 			rootDiv.appendChild(leftDiv);

 			var viewDiv = util.createElement(document, "div"); //$NON-NLS-0$
 			viewDiv.className = "textviewScroll"; //$NON-NLS-0$
 			this._viewDiv = viewDiv;
 			viewDiv.tabIndex = -1;
 			viewDiv.style.position = "absolute"; //$NON-NLS-0$
 			viewDiv.style.top = "0px"; //$NON-NLS-0$
 			viewDiv.style.bottom = "0px"; //$NON-NLS-0$
 			viewDiv.style.borderWidth = "0px"; //$NON-NLS-0$
 			viewDiv.style.margin = "0px"; //$NON-NLS-0$
 			viewDiv.style.outline = "none"; //$NON-NLS-0$
 			viewDiv.style.background = "transparent"; //$NON-NLS-0$
 			if (util.isMac && util.isWebkit) {
 				viewDiv.style.pointerEvents = "none"; //$NON-NLS-0$
 				viewDiv.style.zIndex = "2"; //$NON-NLS-0$
 			}
 			rootDiv.appendChild(viewDiv);

 			var rightDiv = util.createElement(document, "div"); //$NON-NLS-0$
 			rightDiv.className = "textviewRightRuler"; //$NON-NLS-0$
 			this._rightDiv = rightDiv;
 			rightDiv.tabIndex = -1;
 			rightDiv.style.display = "none"; //$NON-NLS-0$
 			rightDiv.style.overflow = "hidden"; //$NON-NLS-0$
 			rightDiv.style.MozUserSelect = "none"; //$NON-NLS-0$
 			rightDiv.style.WebkitUserSelect = "none"; //$NON-NLS-0$
 			rightDiv.style.position = "absolute"; //$NON-NLS-0$
 			rightDiv.style.top = "0px"; //$NON-NLS-0$
 			rightDiv.style.bottom = "0px"; //$NON-NLS-0$
 			rightDiv.style.cursor = "default"; //$NON-NLS-0$
 			rightDiv.style.right = "0px"; //$NON-NLS-0$
 			rightDiv.setAttribute("aria-hidden", "true"); //$NON-NLS-1$ //$NON-NLS-0$
 			rootDiv.appendChild(rightDiv);

 			var scrollDiv = util.createElement(document, "div"); //$NON-NLS-0$
 			this._scrollDiv = scrollDiv;
 			scrollDiv.style.margin = "0px"; //$NON-NLS-0$
 			scrollDiv.style.borderWidth = "0px"; //$NON-NLS-0$
 			scrollDiv.style.padding = "0px"; //$NON-NLS-0$
 			viewDiv.appendChild(scrollDiv);

 			if (!util.isIE && !util.isIOS) {
 				var clipDiv = util.createElement(document, "div"); //$NON-NLS-0$
 				this._clipDiv = clipDiv;
 				clipDiv.style.position = "absolute"; //$NON-NLS-0$
 				clipDiv.style.overflow = "hidden"; //$NON-NLS-0$
 				clipDiv.style.margin = "0px"; //$NON-NLS-0$
 				clipDiv.style.borderWidth = "0px"; //$NON-NLS-0$
 				clipDiv.style.padding = "0px"; //$NON-NLS-0$
 				clipDiv.style.background = "transparent"; //$NON-NLS-0$
 				rootDiv.appendChild(clipDiv);

 				var clipScrollDiv = util.createElement(document, "div"); //$NON-NLS-0$
 				this._clipScrollDiv = clipScrollDiv;
 				clipScrollDiv.style.position = "absolute"; //$NON-NLS-0$
 				clipScrollDiv.style.height = "1px"; //$NON-NLS-0$
 				clipScrollDiv.style.top = "-1000px"; //$NON-NLS-0$
 				clipScrollDiv.style.background = "transparent"; //$NON-NLS-0$
 				clipDiv.appendChild(clipScrollDiv);
 			}

 			this._setFullSelection(this._fullSelection, true);

 			var clientDiv = util.createElement(document, "div"); //$NON-NLS-0$
 			clientDiv.className = "textviewContent"; //$NON-NLS-0$
 			this._clientDiv = clientDiv;
 			clientDiv.tabIndex = 0;
 			clientDiv.style.position = "absolute"; //$NON-NLS-0$
 			clientDiv.style.borderWidth = "0px"; //$NON-NLS-0$
 			clientDiv.style.margin = "0px"; //$NON-NLS-0$
 			clientDiv.style.padding = "0px"; //$NON-NLS-0$
 			clientDiv.style.outline = "none"; //$NON-NLS-0$
 			clientDiv.style.zIndex = "1"; //$NON-NLS-0$
 			clientDiv.style.WebkitUserSelect = "text"; //$NON-NLS-0$
 			clientDiv.setAttribute("spellcheck", "false"); //$NON-NLS-1$ //$NON-NLS-0$
 			if (util.isIOS || util.isAndroid) {
 				clientDiv.style.WebkitTapHighlightColor = "transparent"; //$NON-NLS-0$
 			}
 			(this._clipDiv || rootDiv).appendChild(clientDiv);

 			if (util.isIOS || util.isAndroid) {
 				var vScrollDiv = util.createElement(document, "div"); //$NON-NLS-0$
 				this._vScrollDiv = vScrollDiv;
 				vScrollDiv.style.position = "absolute"; //$NON-NLS-0$
 				vScrollDiv.style.borderWidth = "1px"; //$NON-NLS-0$
 				vScrollDiv.style.borderColor = "white"; //$NON-NLS-0$
 				vScrollDiv.style.borderStyle = "solid"; //$NON-NLS-0$
 				vScrollDiv.style.borderRadius = "4px"; //$NON-NLS-0$
 				vScrollDiv.style.backgroundColor = "black"; //$NON-NLS-0$
 				vScrollDiv.style.opacity = "0.5"; //$NON-NLS-0$
 				vScrollDiv.style.margin = "0px"; //$NON-NLS-0$
 				vScrollDiv.style.padding = "0px"; //$NON-NLS-0$
 				vScrollDiv.style.outline = "none"; //$NON-NLS-0$
 				vScrollDiv.style.zIndex = "3"; //$NON-NLS-0$
 				vScrollDiv.style.width = "8px"; //$NON-NLS-0$
 				vScrollDiv.style.display = "none"; //$NON-NLS-0$
 				rootDiv.appendChild(vScrollDiv);
 				var hScrollDiv = util.createElement(document, "div"); //$NON-NLS-0$
 				this._hScrollDiv = hScrollDiv;
 				hScrollDiv.style.position = "absolute"; //$NON-NLS-0$
 				hScrollDiv.style.borderWidth = "1px"; //$NON-NLS-0$
 				hScrollDiv.style.borderColor = "white"; //$NON-NLS-0$
 				hScrollDiv.style.borderStyle = "solid"; //$NON-NLS-0$
 				hScrollDiv.style.borderRadius = "4px"; //$NON-NLS-0$
 				hScrollDiv.style.backgroundColor = "black"; //$NON-NLS-0$
 				hScrollDiv.style.opacity = "0.5"; //$NON-NLS-0$
 				hScrollDiv.style.margin = "0px"; //$NON-NLS-0$
 				hScrollDiv.style.padding = "0px"; //$NON-NLS-0$
 				hScrollDiv.style.outline = "none"; //$NON-NLS-0$
 				hScrollDiv.style.zIndex = "3"; //$NON-NLS-0$
 				hScrollDiv.style.height = "8px"; //$NON-NLS-0$
 				hScrollDiv.style.display = "none"; //$NON-NLS-0$
 				rootDiv.appendChild(hScrollDiv);
 			}

 			if (util.isFirefox && !clientDiv.setCapture) {
 				var overlayDiv = util.createElement(document, "div"); //$NON-NLS-0$
 				this._overlayDiv = overlayDiv;
 				overlayDiv.style.position = clientDiv.style.position;
 				overlayDiv.style.borderWidth = clientDiv.style.borderWidth;
 				overlayDiv.style.margin = clientDiv.style.margin;
 				overlayDiv.style.padding = clientDiv.style.padding;
 				overlayDiv.style.cursor = "text"; //$NON-NLS-0$
 				overlayDiv.style.zIndex = "2"; //$NON-NLS-0$
 				(this._clipDiv || rootDiv).appendChild(overlayDiv);
 			}
 			clientDiv.contentEditable = "true"; //$NON-NLS-0$
 			clientDiv.setAttribute("role", "textbox"); //$NON-NLS-1$ //$NON-NLS-0$
 			clientDiv.setAttribute("aria-multiline", "true"); //$NON-NLS-1$ //$NON-NLS-0$
 			this._setWrapMode(this._wrapMode, true);
 			this._setReadOnly(this._readonly);
 			this._setThemeClass(this._themeClass, true);
 			this._setTabSize(this._tabSize, true);
 			this._hookEvents();
 			var rulers = this._rulers;
 			for (var i=0; i<rulers.length; i++) {
 				this._createRuler(rulers[i]);
 			}
 			this._update();
 		},
 		_defaultOptions: function() {
 			return {
 				parent: {value: undefined, update: null},
 				model: {value: undefined, update: this.setModel},
 				scrollAnimation: {value: 0, update: null},
 				readonly: {value: false, update: this._setReadOnly},
 				fullSelection: {value: true, update: this._setFullSelection},
 				tabMode: { value: true, update: null },
 				tabSize: {value: 8, update: this._setTabSize},
 				expandTab: {value: false, update: null},
 				singleMode: {value: false, update: this._setSingleMode},
 				overwriteMode: { value: false, update: this._setOverwriteMode },
 				blockCursorVisible: { value: false, update: this._setBlockCursor},
 				wrapMode: {value: false, update: this._setWrapMode},
 				wrappable: {value: false, update: null},
 				theme: {value: mTextTheme.TextTheme.getTheme(), update: this._setTheme},
 				themeClass: {value: undefined, update: this._setThemeClass}
 			};
 		},
 		_destroyRuler: function(ruler) {
 			var side = ruler.getLocation();
 			var rulerParent = side === "left" ? this._leftDiv : this._rightDiv; //$NON-NLS-0$
 			if (rulerParent) {
 				var div = rulerParent.firstChild;
 				while (div) {
 					if (div._ruler === ruler) {
 						div._ruler = undefined;
 						rulerParent.removeChild(div);
 						if (rulerParent.children.length === 0) {
 							rulerParent.style.display = "none"; //$NON-NLS-0$
 						}
 						break;
 					}
 					div = div.nextSibling;
 				}
 			}
 		},
 		_destroyView: function() {
 			var clientDiv = this._clientDiv;
 			if (!clientDiv) { return; }
 			this._setGrab(null);
 			this._unhookEvents();

 			/* Destroy timers */
 			var window = this._getWindow();
 			if (this._autoScrollTimerID) {
 				window.clearTimeout(this._autoScrollTimerID);
 				this._autoScrollTimerID = null;
 			}
 			if (this._updateTimer) {
 				window.clearTimeout(this._updateTimer);
 				this._updateTimer = null;
 			}

 			var rootDiv = this._rootDiv;
 			rootDiv.parentNode.removeChild(rootDiv);

 			/* Destroy DOM */
 			this._selDiv1 = null;
 			this._selDiv2 = null;
 			this._selDiv3 = null;
 			this._clipboardDiv = null;
 			this._rootDiv = null;
 			this._scrollDiv = null;
 			this._viewDiv = null;
 			this._clipDiv = null;
 			this._clipScrollDiv = null;
 			this._clientDiv = null;
 			this._overlayDiv = null;
 			this._leftDiv = null;
 			this._rightDiv = null;
 			this._vScrollDiv = null;
 			this._hScrollDiv = null;
 		},
 		_doAutoScroll: function (direction, x, y) {
 			this._autoScrollDir = direction;
 			this._autoScrollX = x;
 			this._autoScrollY = y;
 			if (!this._autoScrollTimerID) {
 				this._autoScrollTimer();
 			}
 		},
 		_endAutoScroll: function () {
 			if (this._autoScrollTimerID) {
 				var window = this._getWindow();
 				window.clearTimeout(this._autoScrollTimerID);
 			}
 			this._autoScrollDir = undefined;
 			this._autoScrollTimerID = undefined;
 		},
 		_fixCaret: function() {
 			var clientDiv = this._clientDiv;
 			if (clientDiv) {
 				var hasFocus = this._hasFocus;
 				this._ignoreFocus = true;
 				if (hasFocus) { clientDiv.blur(); }
 				clientDiv.contentEditable = false;
 				clientDiv.contentEditable = true;
 				if (hasFocus) { clientDiv.focus(); }
 				this._ignoreFocus = false;
 			}
 		},
 		_getBaseText: function(start, end) {
 			var model = this._model;
 			/* This is the only case the view access the base model, alternatively the view could use a event to application to customize the text */
 			if (model.getBaseModel) {
 				start = model.mapOffset(start);
 				end = model.mapOffset(end);
 				model = model.getBaseModel();
 			}
 			return model.getText(start, end);
 		},
 		_getBottomIndex: function (fullyVisible) {
 			var child = this._bottomChild;
 			if (fullyVisible && this._getClientHeight() > this._getLineHeight()) {
 				var rect = child.getBoundingClientRect();
 				var clientRect = this._clientDiv.getBoundingClientRect();
 				if (rect.bottom > clientRect.bottom) {
 					child = this._getLinePrevious(child) || child;
 				}
 			}
 			return child.lineIndex;
 		},
 		_getBoundsAtOffset: function(offset) {
 			var model = this._model;
 			var line = this._getLine(model.getLineAtOffset(offset));
 			var result = line.getBoundingClientRect(offset);
 			var linePixel = this._getLinePixel(line.lineIndex);
 			result.top += linePixel;
 			result.bottom += linePixel;
 			line.destroy();
 			return result;
 		},
 		_getClientHeight: function() {
 			var viewPad = this._getViewPadding();
 			return Math.max(0, this._viewDiv.clientHeight - viewPad.top - viewPad.bottom);
 		},
 		_getClientWidth: function() {
 			var viewPad = this._getViewPadding();
 			return Math.max(0, this._viewDiv.clientWidth - viewPad.left - viewPad.right);
 		},
 		_getClipboardText: function (event, handler) {
 			var delimiter = this._model.getLineDelimiter();
 			var clipboadText, text;
 			// IE
 			var window = this._getWindow();
 			var clipboardData = window.clipboardData;
 			// WebKit and Firefox > 21
 			if (!clipboardData && event) {
 				clipboardData = event.clipboardData;
 			}
 			if (clipboardData) {
 				clipboadText = [];
 				text = clipboardData.getData(util.isIE ? "Text" : "text/plain"); //$NON-NLS-1$"//$NON-NLS-0$
 				convertDelimiter(text, function(t) {clipboadText.push(t);}, function() {clipboadText.push(delimiter);});
 				text = clipboadText.join("");
 				if (handler) { handler(text); }
 				return text;
 			}
 			if (util.isFirefox) {
 				this._ignoreFocus = true;
 				var clipboardDiv = this._clipboardDiv;
 				var document = this._rootDiv.ownerDocument;
 				if (!clipboardDiv) {
 					clipboardDiv = util.createElement(document, "div"); //$NON-NLS-0$
 					this._clipboardDiv = clipboardDiv;
 					clipboardDiv.style.position = "fixed"; //$NON-NLS-0$
 					clipboardDiv.style.whiteSpace = "pre"; //$NON-NLS-0$
 					clipboardDiv.style.left = "-1000px"; //$NON-NLS-0$
 					this._rootDiv.appendChild(clipboardDiv);
 				}
 				clipboardDiv.innerHTML = "<pre contenteditable=''></pre>"; //$NON-NLS-0$
 				clipboardDiv.firstChild.focus();
 				var self = this;
 				var _getText = function() {
 					var noteText = self._getTextFromElement(clipboardDiv);
 					clipboardDiv.innerHTML = "";
 					clipboadText = [];
 					convertDelimiter(noteText, function(t) {clipboadText.push(t);}, function() {clipboadText.push(delimiter);});
 					return clipboadText.join("");
 				};

 				/* Try execCommand first. Works on firefox with clipboard permission. */
 				var result = false;
 				this._ignorePaste = true;

 				/* Do not try execCommand if middle-click is used, because if we do, we get the clipboard text, not the primary selection text. */
 				if (!util.isLinux || this._lastMouseButton !== 2) {
 					try {
 						result = document.execCommand("paste", false, null); //$NON-NLS-0$
 					} catch (ex) {
 						/* Firefox can throw even when execCommand() works, see bug 362835. */
 						result = clipboardDiv.childNodes.length > 1 || clipboardDiv.firstChild && clipboardDiv.firstChild.childNodes.length > 0;
 					}
 				}
 				this._ignorePaste = false;
 				if (!result) {
 					/* Try native paste in DOM, works for firefox during the paste event. */
 					if (event) {
 						window.setTimeout(function() {
 							self.focus();
 							text = _getText();
 							if (text && handler) {
 								handler(text);
 							}
 							self._ignoreFocus = false;
 						}, 0);
 						return null;
 					} else {
 						/* no event and no clipboard permission, paste can't be performed */
 						this.focus();
 						this._ignoreFocus = false;
 						return "";
 					}
 				}
 				this.focus();
 				this._ignoreFocus = false;
 				text = _getText();
 				if (text && handler) {
 					handler(text);
 				}
 				return text;
 			}
 			return "";
 		},
 		_getDOMText: function(child, offsetNode) {
 			var lineChild = child.firstChild;
 			var text = "", offset = 0;
 			while (lineChild) {
 				var textNode;
 				if (lineChild.ignore) {
 					lineChild = lineChild.nextSibling;
 					continue;
 				}
 				if (lineChild.ignoreChars) {
 					textNode = lineChild.lastChild;
 					var ignored = 0, childText = [], childOffset = -1;
 					while (textNode) {
 						var data = textNode.data;
 						for (var i = data.length - 1; i >= 0; i--) {
 							var ch = data.substring(i, i + 1);
 							if (ignored < lineChild.ignoreChars && (ch === " " || ch === "\u200C" || ch === "\uFEFF")) { //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 								ignored++;
 							} else {
 								childText.push(ch === "\u00A0" ? "\t" : ch); //$NON-NLS-1$ //$NON-NLS-0$
 							}
 						}
 						if (offsetNode === textNode) {
 							childOffset = childText.length;
 						}
 						textNode = textNode.previousSibling;
 					}
 					childText = childText.reverse().join("");
 					if (childOffset !== -1) {
 						offset = text.length + childText.length - childOffset;
 					}
 					text += childText;
 				} else {
 					textNode = lineChild.firstChild;
 					while (textNode) {
 						if (offsetNode === textNode) {
 							offset = text.length;
 						}
 						text += textNode.data;
 						textNode = textNode.nextSibling;
 					}
 				}
 				lineChild = lineChild.nextSibling;
 			}
 			return {text: text, offset: offset};
 		},
 		_getTextFromElement: function(element) {
 			var document = element.ownerDocument;
 			var window = document.defaultView;
 			if (!window.getSelection) {
 				return element.innerText || element.textContent;
 			}

 			var newRange = document.createRange();
 			newRange.selectNode(element);

 			var selection = window.getSelection();
 			var oldRanges = [], i;
 			for (i = 0; i < selection.rangeCount; i++) {
 				oldRanges.push(selection.getRangeAt(i));
 			}

 			this._ignoreSelect = true;
 			selection.removeAllRanges();
 			selection.addRange(newRange);

 			var text = selection.toString();

 			selection.removeAllRanges();
 			for (i = 0; i < oldRanges.length; i++) {
 				selection.addRange(oldRanges[i]);
 			}

 			this._ignoreSelect = false;
 			return text;
 		},
 		_getViewPadding: function() {
 			return this._metrics.viewPadding;
 		},
 		_getLine: function(lineIndex) {
 			var child = this._getLineNode(lineIndex);
 			if (child && !child.lineChanged && !child.lineRemoved) {
 				return child._line;
 			}
 			return new TextLine(this, lineIndex);
 		},
 		_getLineHeight: function(lineIndex, calculate) {
 			if (lineIndex !== undefined && this._lineHeight) {
 				var lineHeight = this._lineHeight[lineIndex];
 				if (lineHeight) { return lineHeight; }
 				if (calculate || calculate === undefined) {
 					var height = this._lineHeight[lineIndex] = this._calculateLineHeight(lineIndex);
 					return height;
 				}
 			}
 			return this._metrics.lineHeight;
 		},
 		_getLineNode: function (lineIndex) {
 			var clientDiv = this._clientDiv;
 			var child = clientDiv.firstChild;
 			while (child) {
 				if (lineIndex === child.lineIndex) {
 					return child;
 				}
 				child = child.nextSibling;
 			}
 			return undefined;
 		},
 		_getLineNext: function (lineNode) {
 			var node = lineNode ? lineNode.nextSibling : this._clientDiv.firstChild;
 			while (node && node.lineIndex === -1) {
 				node = node.nextSibling;
 			}
 			return node;
 		},
 		_getLinePrevious: function (lineNode) {
 			var node = lineNode ? lineNode.previousSibling : this._clientDiv.lastChild;
 			while (node && node.lineIndex === -1) {
 				node = node.previousSibling;
 			}
 			return node;
 		},
 		_getLinePixel: function(lineIndex) {
 			lineIndex = Math.min(Math.max(0, lineIndex), this._model.getLineCount());
 			if (this._lineHeight) {
 				var topIndex = this._getTopIndex();
 				var pixel = -this._topIndexY + this._getScroll().y, i;
 				if (lineIndex > topIndex) {
 					for (i = topIndex; i < lineIndex; i++) {
 						pixel += this._getLineHeight(i);
 					}
 				} else {
 					for (i = topIndex - 1; i >= lineIndex; i--) {
 						pixel -= this._getLineHeight(i);
 					}
 				}
 				return pixel;
 			}
 			var lineHeight = this._getLineHeight();
 			return lineHeight * lineIndex;
 		},
 		_getLineIndex: function(y) {
 			var lineHeight, lineIndex = 0;
 			var lineCount = this._model.getLineCount();
 			if (this._lineHeight) {
 				lineIndex = this._getTopIndex();
 				var pixel = -this._topIndexY + this._getScroll().y;
 				if (y !== pixel) {
 					if (y < pixel) {
 						while (y < pixel && lineIndex > 0) {
 							y += this._getLineHeight(--lineIndex);
 						}
 					} else {
 						lineHeight = this._getLineHeight(lineIndex);
 						while (y - lineHeight >= pixel && lineIndex < lineCount - 1) {
 							y -= lineHeight;
 							lineHeight = this._getLineHeight(++lineIndex);
 						}
 					}
 				}
 			} else {
 				lineHeight = this._getLineHeight();
 				lineIndex = Math.floor(y / lineHeight);
 			}
 			return Math.max(0, Math.min(lineCount - 1, lineIndex));
 		},
 		_getScroll: function(cancelAnimation) {
 			if (cancelAnimation === undefined || cancelAnimation) {
 				this._cancelAnimation();
 			}
 			var viewDiv = this._viewDiv;
 			return {x: viewDiv.scrollLeft, y: viewDiv.scrollTop};
 		},
 		_getSelection: function () {
 			return this._selection.clone();
 		},
 		_getTopIndex: function (fullyVisible) {
 			var child = this._topChild;
 			if (fullyVisible && this._getClientHeight() > this._getLineHeight()) {
 				var rect = child.getBoundingClientRect();
 				var viewPad = this._getViewPadding();
 				var viewRect = this._viewDiv.getBoundingClientRect();
 				if (rect.top < viewRect.top + viewPad.top) {
 					child = this._getLineNext(child) || child;
 				}
 			}
 			return child.lineIndex;
 		},
 		_hookEvents: function() {
 			var self = this;
 			this._modelListener = {
 				/** @private */
 				onChanging: function(modelChangingEvent) {
 					self._onModelChanging(modelChangingEvent);
 				},
 				/** @private */
 				onChanged: function(modelChangedEvent) {
 					self._onModelChanged(modelChangedEvent);
 				}
 			};
 			this._model.addEventListener("preChanging", this._modelListener.onChanging); //$NON-NLS-0$
 			this._model.addEventListener("postChanged", this._modelListener.onChanged); //$NON-NLS-0$

 			this._themeListener = {
 				onChanged: function(themeChangedEvent) {
 					self._setThemeClass(self._themeClass);
 				}
 			};
 			this._theme.addEventListener("ThemeChanged", this._themeListener.onChanged); //$NON-NLS-0$

 			var handlers = this._handlers = [];
 			var clientDiv = this._clientDiv, viewDiv = this._viewDiv, rootDiv = this._rootDiv;
 			var topNode = this._overlayDiv || clientDiv;
 			var document = clientDiv.ownerDocument;
 			var window = this._getWindow();
 			var grabNode = util.isIE ? document : window;
 			handlers.push({target: window, type: "resize", handler: function(e) { return self._handleResize(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "blur", handler: function(e) { return self._handleBlur(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "focus", handler: function(e) { return self._handleFocus(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: viewDiv, type: "focus", handler: function(e) { clientDiv.focus(); }}); //$NON-NLS-0$
 			handlers.push({target: viewDiv, type: "scroll", handler: function(e) { return self._handleScroll(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "textInput", handler: function(e) { return self._handleTextInput(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "keydown", handler: function(e) { return self._handleKeyDown(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "keypress", handler: function(e) { return self._handleKeyPress(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "keyup", handler: function(e) { return self._handleKeyUp(e ? e : window.event);}}); //$NON-NLS-0$
 			if (util.isIE) {
 				handlers.push({target: document, type: "keyup", handler: function(e) { return self._handleDocKeyUp(e ? e : window.event);}}); //$NON-NLS-0$
 			}
 			handlers.push({target: clientDiv, type: "contextmenu", handler: function(e) { return self._handleContextMenu(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "copy", handler: function(e) { return self._handleCopy(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "cut", handler: function(e) { return self._handleCut(e ? e : window.event);}}); //$NON-NLS-0$
 			handlers.push({target: clientDiv, type: "paste", handler: function(e) { return self._handlePaste(e ? e : window.event);}}); //$NON-NLS-0$
 			if (util.isIOS || util.isAndroid) {
 				handlers.push({target: document, type: "selectionchange", handler: function(e) { return self._handleSelectionChange(e ? e : window.event); }}); //$NON-NLS-0$
 				handlers.push({target: clientDiv, type: "touchstart", handler: function(e) { return self._handleTouchStart(e ? e : window.event); }}); //$NON-NLS-0$
 				handlers.push({target: clientDiv, type: "touchmove", handler: function(e) { return self._handleTouchMove(e ? e : window.event); }}); //$NON-NLS-0$
 				handlers.push({target: clientDiv, type: "touchend", handler: function(e) { return self._handleTouchEnd(e ? e : window.event); }}); //$NON-NLS-0$
 			} else {
 				handlers.push({target: clientDiv, type: "selectstart", handler: function(e) { return self._handleSelectStart(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: clientDiv, type: "mousedown", handler: function(e) { return self._handleMouseDown(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: clientDiv, type: "mouseover", handler: function(e) { return self._handleMouseOver(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: clientDiv, type: "mouseout", handler: function(e) { return self._handleMouseOut(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: grabNode, type: "mouseup", handler: function(e) { return self._handleMouseUp(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: grabNode, type: "mousemove", handler: function(e) { return self._handleMouseMove(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: rootDiv, type: "mousedown", handler: function(e) { return self._handleRootMouseDown(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: rootDiv, type: "mouseup", handler: function(e) { return self._handleRootMouseUp(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: topNode, type: "dragstart", handler: function(e) { return self._handleDragStart(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: topNode, type: "drag", handler: function(e) { return self._handleDrag(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: topNode, type: "dragend", handler: function(e) { return self._handleDragEnd(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: topNode, type: "dragenter", handler: function(e) { return self._handleDragEnter(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: topNode, type: "dragover", handler: function(e) { return self._handleDragOver(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: topNode, type: "dragleave", handler: function(e) { return self._handleDragLeave(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: topNode, type: "drop", handler: function(e) { return self._handleDrop(e ? e : window.event);}}); //$NON-NLS-0$
 				handlers.push({target: this._clientDiv, type: util.isFirefox ? "DOMMouseScroll" : "mousewheel", handler: function(e) { return self._handleMouseWheel(e ? e : window.event); }}); //$NON-NLS-1$ //$NON-NLS-0$
 				if (util.isFirefox && (!util.isWindows || util.isFirefox >= 15)) {
 					var MutationObserver = window.MutationObserver || window.MozMutationObserver;
 					if (MutationObserver) {
 						this._mutationObserver = new MutationObserver(function(mutations) { self._handleDataModified(mutations); });
 						this._mutationObserver.observe(clientDiv, {subtree: true, characterData: true});
 					} else {
 						handlers.push({target: this._clientDiv, type: "DOMCharacterDataModified", handler: function (e) { return self._handleDataModified(e ? e : window.event); }}); //$NON-NLS-0$
 					}
 				}
 				if (this._overlayDiv) {
 					handlers.push({target: this._overlayDiv, type: "mousedown", handler: function(e) { return self._handleMouseDown(e ? e : window.event);}}); //$NON-NLS-0$
 					handlers.push({target: this._overlayDiv, type: "mouseover", handler: function(e) { return self._handleMouseOver(e ? e : window.event);}}); //$NON-NLS-0$
 					handlers.push({target: this._overlayDiv, type: "mouseout", handler: function(e) { return self._handleMouseOut(e ? e : window.event);}}); //$NON-NLS-0$
 					handlers.push({target: this._overlayDiv, type: "contextmenu", handler: function(e) { return self._handleContextMenu(e ? e : window.event); }}); //$NON-NLS-0$
 				}
 				if (!this._isW3CEvents) {
 					handlers.push({target: this._clientDiv, type: "dblclick", handler: function(e) { return self._handleDblclick(e ? e : window.event); }}); //$NON-NLS-0$
 				}
 			}

 			var leftDiv = this._leftDiv, rightDiv = this._rightDiv;
 			if (util.isIE) {
 				handlers.push({target: leftDiv, type: "selectstart", handler: function() {return false;}}); //$NON-NLS-0$
 			}
 			handlers.push({target: leftDiv, type: util.isFirefox ? "DOMMouseScroll" : "mousewheel", handler: function(e) { return self._handleMouseWheel(e ? e : window.event); }}); //$NON-NLS-1$ //$NON-NLS-0$
 			handlers.push({target: leftDiv, type: "click", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: leftDiv, type: "dblclick", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: leftDiv, type: "mousemove", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: leftDiv, type: "mouseover", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: leftDiv, type: "mouseout", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			if (util.isIE) {
 				handlers.push({target: rightDiv, type: "selectstart", handler: function() {return false;}}); //$NON-NLS-0$
 			}
 			handlers.push({target: rightDiv, type: util.isFirefox ? "DOMMouseScroll" : "mousewheel", handler: function(e) { return self._handleMouseWheel(e ? e : window.event); }}); //$NON-NLS-1$ //$NON-NLS-0$
 			handlers.push({target: rightDiv, type: "click", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: rightDiv, type: "dblclick", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: rightDiv, type: "mousemove", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: rightDiv, type: "mouseover", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$
 			handlers.push({target: rightDiv, type: "mouseout", handler: function(e) { self._handleRulerEvent(e ? e : window.event); }}); //$NON-NLS-0$

 			for (var i=0; i<handlers.length; i++) {
 				var h = handlers[i];
 				addHandler(h.target, h.type, h.handler, h.capture);
 			}
 		},
 		_getWindow: function() {
 			return getWindow(this._parent.ownerDocument);
 		},
 		_ignoreEvent: function(e) {
 			var node = e.target;
 			while (node && node !== this._clientDiv) {
 				if (node.ignore) { return true; }
 				node = node.parentNode;
 			}
 			return false;
 		},
 		_init: function(options) {
 			var parent = options.parent;
 			if (typeof(parent) === "string") { //$NON-NLS-0$
 				parent = (options.document || document).getElementById(parent);
 			}
 			if (!parent) { throw "no parent"; } //$NON-NLS-0$
 			options.parent = parent;
 			options.model = options.model || new mTextModel.TextModel();
 			var defaultOptions = this._defaultOptions();
 			for (var option in defaultOptions) {
 				if (defaultOptions.hasOwnProperty(option)) {
 					var value;
 					if (options[option] !== undefined) {
 						value = options[option];
 					} else {
 						value = defaultOptions[option].value;
 					}
 					this["_" + option] = value; //$NON-NLS-0$
 				}
 			}
 			this._keyModes = [];
 			this._rulers = [];
 			this._selection = new Selection (0, 0, false);
 			this._linksVisible = false;
 			this._redrawCount = 0;
 			this._maxLineWidth = 0;
 			this._maxLineIndex = -1;
 			this._ignoreSelect = true;
 			this._ignoreFocus = false;
 			this._hasFocus = false;
 			this._columnX = -1;
 			this._dragOffset = -1;
 			this._isRangeRects = (!util.isIE || util.isIE >= 9) && typeof parent.ownerDocument.createRange().getBoundingClientRect === "function"; //$NON-NLS-0$
 			this._isW3CEvents = parent.addEventListener;

 			/* Auto scroll */
 			this._autoScrollX = null;
 			this._autoScrollY = null;
 			this._autoScrollTimerID = null;
 			this._AUTO_SCROLL_RATE = 50;
 			this._grabControl = null;
 			this._moseMoveClosure  = null;
 			this._mouseUpClosure = null;

 			/* Double click */
 			this._lastMouseX = 0;
 			this._lastMouseY = 0;
 			this._lastMouseTime = 0;
 			this._clickCount = 0;
 			this._clickTime = 250;
 			this._clickDist = 5;
 			this._isMouseDown = false;
 			this._doubleClickSelection = null;

 			/* Scroll */
 			this._hScroll = 0;
 			this._vScroll = 0;

 			/* IME */
 			this._imeOffset = -1;

 			/* Create elements */
 			this._createActions();
 			this._createView();
 		},
 		_modifyContent: function(e, updateCaret) {
 			if (this._readonly && !e._code) {
 				return;
 			}
 			e.type = "Verify"; //$NON-NLS-0$
 			this.onVerify(e);

 			if (e.text === null || e.text === undefined) { return; }

 			var model = this._model;
 			try {
 				if (e._ignoreDOMSelection) { this._ignoreDOMSelection = true; }
 				model.setText(e.text, e.start, e.end);
 			} finally {
 				if (e._ignoreDOMSelection) { this._ignoreDOMSelection = false; }
 			}

 			if (updateCaret) {
 				var selection = this._getSelection ();
 				selection.setCaret(e.start + e.text.length);
 				this._setSelection(selection, true);
 			}
 			this.onModify({type: "Modify"}); //$NON-NLS-0$
 		},
 		_onModelChanged: function(modelChangedEvent) {
 			modelChangedEvent.type = "ModelChanged"; //$NON-NLS-0$
 			this.onModelChanged(modelChangedEvent);
 			modelChangedEvent.type = "Changed"; //$NON-NLS-0$
 			var start = modelChangedEvent.start;
 			var addedCharCount = modelChangedEvent.addedCharCount;
 			var removedCharCount = modelChangedEvent.removedCharCount;
 			var addedLineCount = modelChangedEvent.addedLineCount;
 			var removedLineCount = modelChangedEvent.removedLineCount;
 			var selection = this._getSelection();
 			if (selection.end > start) {
 				if (selection.end > start && selection.start < start + removedCharCount) {
 					// selection intersects replaced text. set caret behind text change
 					selection.setCaret(start + addedCharCount);
 				} else {
 					// move selection to keep same text selected
 					selection.start +=  addedCharCount - removedCharCount;
 					selection.end +=  addedCharCount - removedCharCount;
 				}
 				this._setSelection(selection, false, false);
 			}

 			var model = this._model;
 			var startLine = model.getLineAtOffset(start);
 			var child = this._getLineNext();
 			while (child) {
 				var lineIndex = child.lineIndex;
 				if (startLine <= lineIndex && lineIndex <= startLine + removedLineCount) {
 					if (startLine === lineIndex && !child.modelChangedEvent && !child.lineRemoved) {
 						child.modelChangedEvent = modelChangedEvent;
 						child.lineChanged = true;
 					} else {
 						child.lineRemoved = true;
 						child.lineChanged = false;
 						child.modelChangedEvent = null;
 					}
 				}
 				if (lineIndex > startLine + removedLineCount) {
 					child.lineIndex = lineIndex + addedLineCount - removedLineCount;
 					child._line.lineIndex = child.lineIndex;
 				}
 				child = this._getLineNext(child);
 			}
 			if (this._lineHeight) {
 				var args = [startLine, removedLineCount].concat(new Array(addedLineCount));
 				Array.prototype.splice.apply(this._lineHeight, args);
 			}
 			if (!this._wrapMode) {
 				if (startLine <= this._maxLineIndex && this._maxLineIndex <= startLine + removedLineCount) {
 					this._checkMaxLineIndex = this._maxLineIndex;
 					this._maxLineIndex = -1;
 					this._maxLineWidth = 0;
 				}
 			}
 			this._update();
 		},
 		_onModelChanging: function(modelChangingEvent) {
 			modelChangingEvent.type = "ModelChanging"; //$NON-NLS-0$
 			this.onModelChanging(modelChangingEvent);
 			modelChangingEvent.type = "Changing"; //$NON-NLS-0$
 		},
 		_queueUpdate: function() {
 			if (this._updateTimer || this._ignoreQueueUpdate) { return; }
 			var self = this;
 			var window = this._getWindow();
 			this._updateTimer = window.setTimeout(function() {
 				self._updateTimer = null;
 				self._update();
 			}, 0);
 		},
 		_resetLineHeight: function(startLine, endLine) {
 			if (this._wrapMode || this._variableLineHeight) {
 				if (startLine !== undefined && endLine !== undefined) {
 					for (var i = startLine; i < endLine; i++) {
 						this._lineHeight[i] = undefined;
 					}
 				} else {
 					this._lineHeight = new Array(this._model.getLineCount());
 				}
 				this._calculateLineHeightTimer();
 			} else {
 				this._lineHeight = null;
 			}
 		},
 		_resetLineWidth: function() {
 			var clientDiv = this._clientDiv;
 			if (clientDiv) {
 				var child = clientDiv.firstChild;
 				while (child) {
 					child.lineWidth = undefined;
 					child = child.nextSibling;
 				}
 			}
 		},
 		_reset: function() {
 			this._maxLineIndex = -1;
 			this._maxLineWidth = 0;
 			this._columnX = -1;
 			this._topChild = null;
 			this._bottomChild = null;
 			this._topIndexY = 0;
 			this._variableLineHeight = false;
 			this._resetLineHeight();
 			this._setSelection(new Selection (0, 0, false), false, false);
 			if (this._viewDiv) {
 				this._viewDiv.scrollLeft = 0;
 				this._viewDiv.scrollTop = 0;
 			}
 			var clientDiv = this._clientDiv;
 			if (clientDiv) {
 				var child = clientDiv.firstChild;
 				while (child) {
 					child.lineRemoved = true;
 					child = child.nextSibling;
 				}
 				/*
 				* Bug in Firefox.  For some reason, the caret does not show after the
 				* view is refreshed.  The fix is to toggle the contentEditable state and
 				* force the clientDiv to loose and receive focus if it is focused.
 				*/
 				if (util.isFirefox) {
 					this._ignoreFocus = false;
 					var hasFocus = this._hasFocus;
 					if (hasFocus) { clientDiv.blur(); }
 					clientDiv.contentEditable = false;
 					clientDiv.contentEditable = true;
 					if (hasFocus) { clientDiv.focus(); }
 					this._ignoreFocus = false;
 				}
 			}
 		},
 		_scrollViewAnimated: function (pixelX, pixelY, callback) {
 			var window = this._getWindow();
 			if (callback && this._scrollAnimation) {
 				var self = this;
 				this._animation = new Animation({
 					window: window,
 					duration: this._scrollAnimation,
 					curve: [pixelY, 0],
 					onAnimate: function(x) {
 						var deltaY = pixelY - Math.floor(x);
 						self._scrollView (0, deltaY);
 						pixelY -= deltaY;
 					},
 					onEnd: function() {
 						self._animation = null;
 						self._scrollView (pixelX, pixelY);
 						if (callback) {
 							window.setTimeout(callback, 0);
 						}
 					}
 				});
 				this._animation.play();
 			} else {
 				this._scrollView (pixelX, pixelY);
 				if (callback) {
 					window.setTimeout(callback, 0);
 				}
 			}
 		},
 		_scrollView: function (pixelX, pixelY) {
 			/*
 			* Always set _ensureCaretVisible to false so that the view does not scroll
 			* to show the caret when scrollView is not called from showCaret().
 			*/
 			this._ensureCaretVisible = false;

 			/*
 			* Scrolling is done only by setting the scrollLeft and scrollTop fields in the
 			* view div. This causes an update from the scroll event. In some browsers
 			* this event is asynchronous and forcing update page to run synchronously
 			* leads to redraw problems.
 			* On Chrome 11, the view redrawing at times when holding PageDown/PageUp key.
 			* On Firefox 4 for Linux, the view redraws the first page when holding
 			* PageDown/PageUp key, but it will not redraw again until the key is released.
 			*/
 			var viewDiv = this._viewDiv;
 			if (pixelX) { viewDiv.scrollLeft += pixelX; }
 			if (pixelY) { viewDiv.scrollTop += pixelY; }
 		},
 		_setClipboardText: function (text, event) {
 			var clipboardText;
 			// IE
 			var window = this._getWindow();
 			var clipboardData = window.clipboardData;
 			// WebKit and Firefox > 21
 			if (!clipboardData && event) {
 				clipboardData = event.clipboardData;
 			}
 			if (clipboardData) {
 				clipboardText = [];
 				convertDelimiter(text, function(t) {clipboardText.push(t);}, function() {clipboardText.push(util.platformDelimiter);});
 				if (clipboardData.setData(util.isIE ? "Text" : "text/plain", clipboardText.join(""))) { //$NON-NLS-1$ //$NON-NLS-0$
 					return true;
 				}
 			}
 			var document = this._parent.ownerDocument;
 			var child = util.createElement(document, "pre"); //$NON-NLS-0$
 			child.style.position = "fixed"; //$NON-NLS-0$
 			child.style.left = "-1000px"; //$NON-NLS-0$
 			convertDelimiter(text,
 				function(t) {
 					child.appendChild(document.createTextNode(t));
 				},
 				function() {
 					child.appendChild(util.createElement(document, "br")); //$NON-NLS-0$
 				}
 			);
 			child.appendChild(document.createTextNode(" ")); //$NON-NLS-0$
 			this._clientDiv.appendChild(child);
 			var range = document.createRange();
 			range.setStart(child.firstChild, 0);
 			range.setEndBefore(child.lastChild);
 			var sel = window.getSelection();
 			if (sel.rangeCount > 0) { sel.removeAllRanges(); }
 			sel.addRange(range);
 			var self = this;
 			/** @ignore */
 			var cleanup = function() {
 				if (child && child.parentNode === self._clientDiv) {
 					self._clientDiv.removeChild(child);
 				}
 				self._updateDOMSelection();
 			};
 			var result = false;
 			/*
 			* Try execCommand first, it works on firefox with clipboard permission,
 			* chrome 5, safari 4.
 			*/
 			this._ignoreCopy = true;
 			try {
 				result = document.execCommand("copy", false, null); //$NON-NLS-0$
 			} catch (e) {}
 			this._ignoreCopy = false;
 			if (!result) {
 				if (event) {
 					window.setTimeout(cleanup, 0);
 					return false;
 				}
 			}
 			/* no event and no permission, copy can not be done */
 			cleanup();
 			return true;
 		},
 		_setDOMSelection: function (startNode, startOffset, endNode, endOffset, startCaret) {
 			var startLineNode, startLineOffset, endLineNode, endLineOffset;
 			var offset = 0;
 			var lineChild = startNode.firstChild;
 			var node, nodeLength, model = this._model;
 			var startLineEnd = model.getLine(startNode.lineIndex).length;
 			while (lineChild) {
 				if (lineChild.ignore) {
 					lineChild = lineChild.nextSibling;
 					continue;
 				}
 				node = lineChild.firstChild;
 				nodeLength = node.length;
 				if (lineChild.ignoreChars) {
 					nodeLength -= lineChild.ignoreChars;
 				}
 				if (offset + nodeLength > startOffset || offset + nodeLength >= startLineEnd) {
 					startLineNode = node;
 					startLineOffset = startOffset - offset;
 					if (lineChild.ignoreChars && nodeLength > 0 && startLineOffset === nodeLength) {
 						startLineOffset += lineChild.ignoreChars;
 					}
 					break;
 				}
 				offset += nodeLength;
 				lineChild = lineChild.nextSibling;
 			}
 			offset = 0;
 			lineChild = endNode.firstChild;
 			var endLineEnd = this._model.getLine(endNode.lineIndex).length;
 			while (lineChild) {
 				if (lineChild.ignore) {
 					lineChild = lineChild.nextSibling;
 					continue;
 				}
 				node = lineChild.firstChild;
 				nodeLength = node.length;
 				if (lineChild.ignoreChars) {
 					nodeLength -= lineChild.ignoreChars;
 				}
 				if (nodeLength + offset > endOffset || offset + nodeLength >= endLineEnd) {
 					endLineNode = node;
 					endLineOffset = endOffset - offset;
 					if (lineChild.ignoreChars && nodeLength > 0 && endLineOffset === nodeLength) {
 						endLineOffset += lineChild.ignoreChars;
 					}
 					break;
 				}
 				offset += nodeLength;
 				lineChild = lineChild.nextSibling;
 			}

 			this._setDOMFullSelection(startNode, startOffset, startLineEnd, endNode, endOffset, endLineEnd);

 			var range;
 			var window = this._getWindow();
 			var document = this._parent.ownerDocument;
 			if (window.getSelection) {
 				//W3C
 				var sel = window.getSelection();
 				range = document.createRange();
 				range.setStart(startLineNode, startLineOffset);
 				range.setEnd(endLineNode, endLineOffset);
 				if (this._hasFocus && (
 					sel.anchorNode !== startLineNode || sel.anchorOffset !== startLineOffset ||
 					sel.focusNode !== endLineNode || sel.focusOffset !== endLineOffset ||
 					sel.anchorNode !== endLineNode || sel.anchorOffset !== endLineOffset ||
 					sel.focusNode !== startLineNode || sel.focusOffset !== startLineOffset))
 				{
 					this._ignoreSelect = false;
 					if (sel.rangeCount > 0) { sel.removeAllRanges(); }
 					sel.addRange(range);
 					this._ignoreSelect = true;
 				}
 				if (this._cursorDiv) {
 					range = document.createRange();
 					if (startCaret) {
 						range.setStart(startLineNode, startLineOffset);
 						range.setEnd(startLineNode, startLineOffset);
 					} else {
 						range.setStart(endLineNode, endLineOffset);
 						range.setEnd(endLineNode, endLineOffset);
 					}
 					var rect = range.getClientRects()[0];
 					var cursorParent = this._cursorDiv.parentNode;
 					var clientRect = cursorParent.getBoundingClientRect();
 					if (rect && clientRect) {
 						this._cursorDiv.style.top = (rect.top - clientRect.top + cursorParent.scrollTop) + "px"; //$NON-NLS-0$
 						this._cursorDiv.style.left = (rect.left - clientRect.left + cursorParent.scrollLeft) + "px"; //$NON-NLS-0$
 					}
 				}
 			} else if (document.selection) {
 				if (!this._hasFocus) { return; }
 				//IE < 9
 				var body = document.body;

 				/*
 				* Bug in IE. For some reason when text is deselected the overflow
 				* selection at the end of some lines does not get redrawn.  The
 				* fix is to create a DOM element in the body to force a redraw.
 				*/
 				var child = util.createElement(document, "div"); //$NON-NLS-0$
 				body.appendChild(child);
 				body.removeChild(child);

 				range = body.createTextRange();
 				range.moveToElementText(startLineNode.parentNode);
 				range.moveStart("character", startLineOffset); //$NON-NLS-0$
 				var endRange = body.createTextRange();
 				endRange.moveToElementText(endLineNode.parentNode);
 				endRange.moveStart("character", endLineOffset); //$NON-NLS-0$
 				range.setEndPoint("EndToStart", endRange); //$NON-NLS-0$
 				this._ignoreSelect = false;
 				range.select();
 				this._ignoreSelect = true;
 			}
 		},
 		_setDOMFullSelection: function(startNode, startOffset, startLineEnd, endNode, endOffset, endLineEnd) {
 			if (!this._selDiv1) { return; }
 			var selDiv = this._selDiv1;
 			selDiv.style.width = "0px"; //$NON-NLS-0$
 			selDiv.style.height = "0px"; //$NON-NLS-0$
 			selDiv = this._selDiv2;
 			selDiv.style.width = "0px"; //$NON-NLS-0$
 			selDiv.style.height = "0px"; //$NON-NLS-0$
 			selDiv = this._selDiv3;
 			selDiv.style.width = "0px"; //$NON-NLS-0$
 			selDiv.style.height = "0px"; //$NON-NLS-0$
 			if (startNode === endNode && startOffset === endOffset) { return; }
 			var model = this._model;
 			var viewPad = this._getViewPadding();
 			var clientRect = this._clientDiv.getBoundingClientRect();
 			var viewRect = this._viewDiv.getBoundingClientRect();
 			var left = viewRect.left + viewPad.left;
 			var right = clientRect.right;
 			var top = viewRect.top + viewPad.top;
 			var bottom = clientRect.bottom;
 			var hd = 0, vd = 0;
 			if (this._clipDiv) {
 				var clipRect = this._clipDiv.getBoundingClientRect();
 				hd = clipRect.left - this._clipDiv.scrollLeft;
 				vd = clipRect.top;
 			} else {
 				var rootpRect = this._rootDiv.getBoundingClientRect();
 				hd = rootpRect.left;
 				vd = rootpRect.top;
 			}
 			this._ignoreDOMSelection = true;
 			var startLine = new TextLine(this, startNode.lineIndex, startNode);
 			var startRect = startLine.getBoundingClientRect(model.getLineStart(startNode.lineIndex) + startOffset, false);
 			var l = startRect.left;
 			var endLine = new TextLine(this, endNode.lineIndex, endNode);
 			var endRect = endLine.getBoundingClientRect(model.getLineStart(endNode.lineIndex) + endOffset, false);
 			var r = endRect.left;
 			this._ignoreDOMSelection = false;
 			var sel1Div = this._selDiv1;
 			var sel1Left = Math.min(right, Math.max(left, l));
 			var sel1Top = Math.min(bottom, Math.max(top, startRect.top));
 			var sel1Right = right;
 			var sel1Bottom = Math.min(bottom, Math.max(top, startRect.bottom));
 			sel1Div.style.left = (sel1Left - hd) + "px"; //$NON-NLS-0$
 			sel1Div.style.top = (sel1Top - vd) + "px"; //$NON-NLS-0$
 			sel1Div.style.width = Math.max(0, sel1Right - sel1Left) + "px"; //$NON-NLS-0$
 			sel1Div.style.height = Math.max(0, sel1Bottom - sel1Top) + "px"; //$NON-NLS-0$
 			if (startRect.top === endRect.top) {
 				sel1Right = Math.min(r, right);
 				sel1Div.style.width = Math.max(0, sel1Right - sel1Left) + "px"; //$NON-NLS-0$
 			} else {
 				var sel3Left = left;
 				var sel3Top = Math.min(bottom, Math.max(top, endRect.top));
 				var sel3Right = Math.min(right, Math.max(left, r));
 				var sel3Bottom = Math.min(bottom, Math.max(top, endRect.bottom));
 				var sel3Div = this._selDiv3;
 				sel3Div.style.left = (sel3Left - hd) + "px"; //$NON-NLS-0$
 				sel3Div.style.top = (sel3Top - vd) + "px"; //$NON-NLS-0$
 				sel3Div.style.width = Math.max(0, sel3Right - sel3Left) + "px"; //$NON-NLS-0$
 				sel3Div.style.height = Math.max(0, sel3Bottom - sel3Top) + "px"; //$NON-NLS-0$
 				if (sel3Top - sel1Bottom > 0) {
 					var sel2Div = this._selDiv2;
 					sel2Div.style.left = (left - hd)  + "px"; //$NON-NLS-0$
 					sel2Div.style.top = (sel1Bottom - vd) + "px"; //$NON-NLS-0$
 					sel2Div.style.width = Math.max(0, right - left) + "px"; //$NON-NLS-0$
 					sel2Div.style.height = Math.max(0, sel3Top - sel1Bottom) + "px"; //$NON-NLS-0$
 				}
 			}
 		},
 		_setGrab: function (target) {
 			if (target === this._grabControl) { return; }
 			if (target) {
 				if (target.setCapture) { target.setCapture(); }
 				this._grabControl = target;
 			} else {
 				if (this._grabControl.releaseCapture) { this._grabControl.releaseCapture(); }
 				this._grabControl = null;
 			}
 		},
 		_setLinksVisible: function(visible) {
 			if (this._linksVisible === visible) { return; }
 			this._linksVisible = visible;
 			/*
 			* Feature in IE.  The client div looses focus and does not regain it back
 			* when the content editable flag is reset. The fix is to remember that it
 			* had focus when the flag is cleared and give focus back to the div when
 			* the flag is set.
 			*/
 			if (util.isIE && visible) {
 				this._hadFocus = this._hasFocus;
 			}
 			var clientDiv = this._clientDiv;
 			clientDiv.contentEditable = !visible;
 			if (this._hadFocus && !visible) {
 				clientDiv.focus();
 			}
 			if (this._overlayDiv) {
 				this._overlayDiv.style.zIndex = visible ? "-1" : "1"; //$NON-NLS-1$ //$NON-NLS-0$
 			}
 			var line = this._getLineNext();
 			while (line) {
 				if (line.hasLink) {
 					var lineChild = line.firstChild;
 					while (lineChild) {
 						if (lineChild.ignore) {
 							lineChild = lineChild.nextSibling;
 							continue;
 						}
 						var next = lineChild.nextSibling;
 						var style = lineChild.viewStyle;
 						if (style && style.tagName && style.tagName.toLowerCase() === "a") { //$NON-NLS-0$
 							line.replaceChild(line._line._createSpan(line, lineChild.firstChild.data, style), lineChild);
 						}
 						lineChild = next;
 					}
 				}
 				line = this._getLineNext(line);
 			}
 			this._updateDOMSelection();
 		},
 		_setSelection: function (selection, scroll, update, callback, pageScroll) {
 			if (selection) {
 				this._columnX = -1;
 				if (update === undefined) { update = true; }
 				var oldSelection = this._selection;
 				this._selection = selection;

 				/*
 				* Always showCaret(), even when the selection is not changing, to ensure the
 				* caret is visible. Note that some views do not scroll to show the caret during
 				* keyboard navigation when the selection does not chanage. For example, line down
 				* when the caret is already at the last line.
 				*/
 				if (scroll !== false) { /*update = !*/this._showCaret(false, callback, scroll, pageScroll); }

 				/*
 				* Sometimes the browser changes the selection
 				* as result of method calls or "leaked" events.
 				* The fix is to set the visual selection even
 				* when the logical selection is not changed.
 				*/
 				if (update) { this._updateDOMSelection(); }

 				if (!oldSelection.equals(selection)) {
 					var e = {
 						type: "Selection", //$NON-NLS-0$
 						oldValue: {start:oldSelection.start, end:oldSelection.end},
 						newValue: {start:selection.start, end:selection.end}
 					};
 					this.onSelection(e);
 				}
 			}
 		},
 		_setSelectionTo: function (x, y, extent, drag) {
 			var model = this._model, offset;
 			var selection = this._getSelection();
 			var pt = this.convert({x: x, y: y}, "page", "document"); //$NON-NLS-1$ //$NON-NLS-0$
 			var lineIndex = this._getLineIndex(pt.y), line;
 			if (this._clickCount === 1) {
 				line = this._getLine(lineIndex);
 				offset = line.getOffset(pt.x, pt.y - this._getLinePixel(lineIndex));
 				line.destroy();
 				if (drag && !extent) {
 					if (selection.start <= offset && offset < selection.end) {
 						this._dragOffset = offset;
 						return false;
 					}
 				}
 				selection.extend(offset);
 				if (!extent) { selection.collapse(); }
 			} else {
 				var word = (this._clickCount & 1) === 0;
 				var start, end;
 				if (word) {
 					line = this._getLine(lineIndex);
 					offset = line.getOffset(pt.x, pt.y - this._getLinePixel(lineIndex));
 					if (this._doubleClickSelection) {
 						if (offset >= this._doubleClickSelection.start) {
 							start = this._doubleClickSelection.start;
 							end = line.getNextOffset(offset, {unit:"wordend", count:1}); //$NON-NLS-0$
 						} else {
 							start = line.getNextOffset(offset, {unit:"word", count:-1}); //$NON-NLS-0$
 							end = this._doubleClickSelection.end;
 						}
 					} else {
 						start = line.getNextOffset(offset, {unit:"word", count:-1}); //$NON-NLS-0$
 						end = line.getNextOffset(start, {unit:"wordend", count:1}); //$NON-NLS-0$
 					}
 					line.destroy();
 				} else {
 					if (this._doubleClickSelection) {
 						var doubleClickLine = model.getLineAtOffset(this._doubleClickSelection.start);
 						if (lineIndex >= doubleClickLine) {
 							start = model.getLineStart(doubleClickLine);
 							end = model.getLineEnd(lineIndex);
 						} else {
 							start = model.getLineStart(lineIndex);
 							end = model.getLineEnd(doubleClickLine);
 						}
 					} else {
 						start = model.getLineStart(lineIndex);
 						end = model.getLineEnd(lineIndex);
 					}
 				}
 				selection.setCaret(start);
 				selection.extend(end);
 			}
 			this._setSelection(selection, true, true);
 			return true;
 		},
 		_setFullSelection: function(fullSelection, init) {
 			this._fullSelection = fullSelection;
 			if (util.isWebkit) {
 				this._fullSelection = true;
 			}
 			var parent = this._clipDiv || this._rootDiv;
 			if (!parent) {
 				return;
 			}
 			if (!this._fullSelection) {
 				if (this._selDiv1) {
 					parent.removeChild(this._selDiv1);
 					this._selDiv1 = null;
 				}
 				if (this._selDiv2) {
 					parent.removeChild(this._selDiv2);
 					this._selDiv2 = null;
 				}
 				if (this._selDiv3) {
 					parent.removeChild(this._selDiv3);
 					this._selDiv3 = null;
 				}
 				return;
 			}

 			if (!this._selDiv1 && (this._fullSelection && !util.isIOS)) {
 				var document = parent.ownerDocument;
 				this._highlightRGB = util.isWebkit ? "transparent" : "Highlight"; //$NON-NLS-1$ //$NON-NLS-0$
 				var selDiv1 = util.createElement(document, "div"); //$NON-NLS-0$
 				this._selDiv1 = selDiv1;
 				selDiv1.style.position = "absolute"; //$NON-NLS-0$
 				selDiv1.style.borderWidth = "0px"; //$NON-NLS-0$
 				selDiv1.style.margin = "0px"; //$NON-NLS-0$
 				selDiv1.style.padding = "0px"; //$NON-NLS-0$
 				selDiv1.style.outline = "none"; //$NON-NLS-0$
 				selDiv1.style.background = this._highlightRGB;
 				selDiv1.style.width = "0px"; //$NON-NLS-0$
 				selDiv1.style.height = "0px"; //$NON-NLS-0$
 				selDiv1.style.zIndex = "0"; //$NON-NLS-0$
 				parent.appendChild(selDiv1);
 				var selDiv2 = util.createElement(document, "div"); //$NON-NLS-0$
 				this._selDiv2 = selDiv2;
 				selDiv2.style.position = "absolute"; //$NON-NLS-0$
 				selDiv2.style.borderWidth = "0px"; //$NON-NLS-0$
 				selDiv2.style.margin = "0px"; //$NON-NLS-0$
 				selDiv2.style.padding = "0px"; //$NON-NLS-0$
 				selDiv2.style.outline = "none"; //$NON-NLS-0$
 				selDiv2.style.background = this._highlightRGB;
 				selDiv2.style.width = "0px"; //$NON-NLS-0$
 				selDiv2.style.height = "0px"; //$NON-NLS-0$
 				selDiv2.style.zIndex = "0"; //$NON-NLS-0$
 				parent.appendChild(selDiv2);
 				var selDiv3 = util.createElement(document, "div"); //$NON-NLS-0$
 				this._selDiv3 = selDiv3;
 				selDiv3.style.position = "absolute"; //$NON-NLS-0$
 				selDiv3.style.borderWidth = "0px"; //$NON-NLS-0$
 				selDiv3.style.margin = "0px"; //$NON-NLS-0$
 				selDiv3.style.padding = "0px"; //$NON-NLS-0$
 				selDiv3.style.outline = "none"; //$NON-NLS-0$
 				selDiv3.style.background = this._highlightRGB;
 				selDiv3.style.width = "0px"; //$NON-NLS-0$
 				selDiv3.style.height = "0px"; //$NON-NLS-0$
 				selDiv3.style.zIndex = "0"; //$NON-NLS-0$
 				parent.appendChild(selDiv3);

 				/*
 				* Bug in Firefox. The Highlight color is mapped to list selection
 				* background instead of the text selection background.  The fix
 				* is to map known colors using a table or fallback to light blue.
 				*/
 				if (util.isFirefox && util.isMac) {
 					var window = this._getWindow();
 					var style = window.getComputedStyle(selDiv3, null);
 					var rgb = style.getPropertyValue("background-color"); //$NON-NLS-0$
 					switch (rgb) {
 						case "rgb(119, 141, 168)": rgb = "rgb(199, 208, 218)"; break; //$NON-NLS-1$ //$NON-NLS-0$
 						case "rgb(127, 127, 127)": rgb = "rgb(198, 198, 198)"; break; //$NON-NLS-1$ //$NON-NLS-0$
 						case "rgb(255, 193, 31)": rgb = "rgb(250, 236, 115)"; break; //$NON-NLS-1$ //$NON-NLS-0$
 						case "rgb(243, 70, 72)": rgb = "rgb(255, 176, 139)"; break; //$NON-NLS-1$ //$NON-NLS-0$
 						case "rgb(255, 138, 34)": rgb = "rgb(255, 209, 129)"; break; //$NON-NLS-1$ //$NON-NLS-0$
 						case "rgb(102, 197, 71)": rgb = "rgb(194, 249, 144)"; break; //$NON-NLS-1$ //$NON-NLS-0$
 						case "rgb(140, 78, 184)": rgb = "rgb(232, 184, 255)"; break; //$NON-NLS-1$ //$NON-NLS-0$
 						default: rgb = "rgb(180, 213, 255)"; break; //$NON-NLS-0$
 					}
 					this._highlightRGB = rgb;
 					selDiv1.style.background = rgb;
 					selDiv2.style.background = rgb;
 					selDiv3.style.background = rgb;
 				}
 				if (!init) {
 					this._updateDOMSelection();
 				}
 			}
 		},
 		_setBlockCursor: function (visible) {
 			this._blockCursorVisible = visible;
 			this._updateBlockCursorVisible();
 		},
 		_setOverwriteMode: function (overwrite) {
 			this._overwriteMode = overwrite;
 			this._updateBlockCursorVisible();
 		},
 		_updateBlockCursorVisible: function () {
 			if (this._blockCursorVisible || this._overwriteMode) {
 				if (!this._cursorDiv) {
 					var cursorDiv = util.createElement(document, "div"); //$NON-NLS-0$
 					cursorDiv.className = "textviewBlockCursor"; //$NON-NLS-0$
 					this._cursorDiv = cursorDiv;
 					cursorDiv.tabIndex = -1;
 					cursorDiv.style.zIndex = "2"; //$NON-NLS-0$
 					cursorDiv.style.color = "transparent"; //$NON-NLS-0$
 					cursorDiv.style.position = "absolute"; //$NON-NLS-0$
 					cursorDiv.style.pointerEvents = "none"; //$NON-NLS-0$
 					cursorDiv.innerHTML = "&nbsp;"; //$NON-NLS-0$
 					this._viewDiv.appendChild(cursorDiv);
 					this._updateDOMSelection();
 				}
 			} else {
 				if (this._cursorDiv) {
 					this._cursorDiv.parentNode.removeChild(this._cursorDiv);
 					this._cursorDiv = null;
 				}
 			}
 		},
 		_setReadOnly: function (readOnly) {
 			this._readonly = readOnly;
 			this._clientDiv.setAttribute("aria-readonly", readOnly ? "true" : "false"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		},
 		_setSingleMode: function (singleMode, init) {
 			this._singleMode = singleMode;
 			this._updateOverflow();
 			this._updateStyle(init);
 		},
 		_setTabSize: function (tabSize, init) {
 			this._tabSize = tabSize;
 			this._customTabSize = undefined;
 			var clientDiv = this._clientDiv;
 			if (util.isOpera) {
 				if (clientDiv) { clientDiv.style.OTabSize = this._tabSize+""; }
 			} else if (util.isWebkit >= 537.1) {
 				if (clientDiv) { clientDiv.style.tabSize = this._tabSize+""; }
 			} else if (util.isFirefox >= 4) {
 				if (clientDiv) {  clientDiv.style.MozTabSize = this._tabSize+""; }
 			} else if (this._tabSize !== 8) {
 				this._customTabSize = this._tabSize;
 			}
 			if (!init) {
 				this.redrawLines();
 				this._resetLineWidth();
 			}
 		},
 		_setTheme: function(theme) {
 			if (this._theme) {
 				this._theme.removeEventListener("ThemeChanged", this._themeListener.onChanged); //$NON-NLS-0$
 			}
 			this._theme = theme;
 			if (this._theme) {
 				this._theme.addEventListener("ThemeChanged", this._themeListener.onChanged); //$NON-NLS-0$
 			}
 			this._setThemeClass(this._themeClass);
 		},
 		_setThemeClass: function (themeClass, init) {
 			this._themeClass = themeClass;
 			var viewContainerClass = "textview"; //$NON-NLS-0$
 			var globalThemeClass = this._theme.getThemeClass();
 			if (globalThemeClass) { viewContainerClass += " " + globalThemeClass; } //$NON-NLS-0$
 			if (this._themeClass && globalThemeClass !== this._themeClass) { viewContainerClass += " " + this._themeClass; } //$NON-NLS-0$
 			this._rootDiv.className = viewContainerClass;
 			this._updateStyle(init);
 		},
 		_setWrapMode: function (wrapMode, init) {
 			this._wrapMode = wrapMode && this._wrappable;
 			var clientDiv = this._clientDiv;
 			if (this._wrapMode) {
 				clientDiv.style.whiteSpace = "pre-wrap"; //$NON-NLS-0$
 				clientDiv.style.wordWrap = "break-word"; //$NON-NLS-0$
 			} else {
 				clientDiv.style.whiteSpace = "pre"; //$NON-NLS-0$
 				clientDiv.style.wordWrap = "normal"; //$NON-NLS-0$
 			}
 			this._updateOverflow();
 			if (!init) {
 				this.redraw();
 				this._resetLineWidth();
 			}
 			this._resetLineHeight();
 		},
 		_showCaret: function (allSelection, callback, scrollAlign, pageScroll) {
 			if (!this._clientDiv) { return; }
 			var model = this._model;
 			var selection = this._getSelection();
 			var scroll = this._getScroll();
 			var caret = selection.getCaret();
 			var start = selection.start;
 			var end = selection.end;
 			var endLine = model.getLineAtOffset(end);
 			var endInclusive = Math.max(Math.max(start, model.getLineStart(endLine)), end - 1);
 			var clientWidth = this._getClientWidth();
 			var clientHeight = this._getClientHeight();
 			var minScroll = clientWidth / 4;
 			var bounds = this._getBoundsAtOffset(caret === start ? start : endInclusive);
 			var left = bounds.left;
 			var right = bounds.right;
 			var top = bounds.top;
 			var bottom = bounds.bottom;
 			if (allSelection && !selection.isEmpty()) {
 				bounds = this._getBoundsAtOffset(caret === end ? start : endInclusive);
 				if (bounds.top === top) {
 					if (caret === start) {
 						right = left + Math.min(bounds.right - left, clientWidth);
 					} else {
 						left = right - Math.min(right - bounds.left, clientWidth);
 					}
 				} else {
 					if (caret === start) {
 						bottom = top + Math.min(bounds.bottom - top, clientHeight);
 					} else {
 						top = bottom - Math.min(bottom - bounds.top, clientHeight);
 					}
 				}
 			}
 			var pixelX = 0;
 			if (left < scroll.x) {
 				pixelX = Math.min(left - scroll.x, -minScroll);
 			}
 			if (right > scroll.x + clientWidth) {
 				pixelX = Math.max(right - scroll.x - clientWidth, minScroll);
 			}
 			var pixelY = 0;
 			if (top < scroll.y) {
 				pixelY = top - scroll.y;
 			} else if (bottom > scroll.y + clientHeight) {
 				pixelY = bottom - scroll.y - clientHeight;
 			}
 			if (pageScroll) {
 				if (pageScroll > 0) {
 					if (pixelY > 0) {
 						pixelY = Math.max(pixelY, pageScroll);
 					}
 				} else {
 					if (pixelY < 0) {
 						pixelY = Math.min(pixelY, pageScroll);
 					}
 				}
 			}
 			if (pixelX !== 0 || pixelY !== 0) {
 				if (pixelY !== 0 && typeof scrollAlign === "number") { //$NON-NLS-0$
 					if (scrollAlign < 0) { scrollAlign = 0; }
 					if (scrollAlign > 1) { scrollAlign = 1; }
 					pixelY += Math.floor(pixelY > 0 ? scrollAlign * clientHeight : -scrollAlign * clientHeight);
 				}
 				this._scrollViewAnimated(pixelX, pixelY, callback);
 				/*
 				* When the view scrolls it is possible that one of the scrollbars can show over the caret.
 				* Depending on the browser scrolling can be synchronous (Safari), in which case the change
 				* can be detected before showCaret() returns. When scrolling is asynchronous (most browsers),
 				* the detection is done during the next update page.
 				*/
 				if (clientHeight !== this._getClientHeight() || clientWidth !== this._getClientWidth()) {
 					this._showCaret();
 				} else {
 					this._ensureCaretVisible = true;
 				}
 				return true;
 			} else {
 				if (callback) {
 					callback();
 				}
 			}
 			return false;
 		},
 		_startIME: function () {
 			if (this._imeOffset !== -1) { return; }
 			var selection = this._getSelection();
 			if (!selection.isEmpty()) {
 				this._modifyContent({text: "", start: selection.start, end: selection.end}, true);
 			}
 			this._imeOffset = selection.start;
 		},
 		_unhookEvents: function() {
 			this._model.removeEventListener("preChanging", this._modelListener.onChanging); //$NON-NLS-0$
 			this._model.removeEventListener("postChanged", this._modelListener.onChanged); //$NON-NLS-0$
 			this._theme.removeEventListener("ThemeChanged", this._themeListener.onChanged); //$NON-NLS-0$
 			this._modelListener = null;
 			for (var i=0; i<this._handlers.length; i++) {
 				var h = this._handlers[i];
 				removeHandler(h.target, h.type, h.handler);
 			}
 			this._handlers = null;
 			if (this._mutationObserver) {
 				this._mutationObserver.disconnect();
 				this._mutationObserver = null;
 			}
 		},
 		_updateDOMSelection: function () {
 			if (this._redrawCount > 0) { return; }
 			if (this._ignoreDOMSelection) { return; }
 			if (!this._clientDiv) { return; }
 			var selection = this._getSelection();
 			var model = this._model;
 			var startLine = model.getLineAtOffset(selection.start);
 			var endLine = model.getLineAtOffset(selection.end);
 			var firstNode = this._getLineNext();
 			/*
 			* Bug in Firefox. For some reason, after a update page sometimes the
 			* firstChild returns null incorrectly. The fix is to ignore show selection.
 			*/
 			if (!firstNode) { return; }
 			var lastNode = this._getLinePrevious();

 			var topNode, bottomNode, topOffset, bottomOffset;
 			if (startLine < firstNode.lineIndex) {
 				topNode = firstNode;
 				topOffset = 0;
 			} else if (startLine > lastNode.lineIndex) {
 				topNode = lastNode;
 				topOffset = 0;
 			} else {
 				topNode = this._getLineNode(startLine);
 				topOffset = selection.start - model.getLineStart(startLine);
 			}

 			if (endLine < firstNode.lineIndex) {
 				bottomNode = firstNode;
 				bottomOffset = 0;
 			} else if (endLine > lastNode.lineIndex) {
 				bottomNode = lastNode;
 				bottomOffset = 0;
 			} else {
 				bottomNode = this._getLineNode(endLine);
 				bottomOffset = selection.end - model.getLineStart(endLine);
 			}
 			this._setDOMSelection(topNode, topOffset, bottomNode, bottomOffset, selection.caret);
 		},
 		_update: function(hScrollOnly) {
 			if (this._redrawCount > 0) { return; }
 			if (this._updateTimer) {
 				var window = this._getWindow();
 				window.clearTimeout(this._updateTimer);
 				this._updateTimer = null;
 				hScrollOnly = false;
 			}
 			var clientDiv = this._clientDiv;
 			if (!clientDiv) { return; }
 			if (this._metrics.invalid) {
 				this._ignoreQueueUpdate = true;
 				this._updateStyle();
 				this._ignoreQueueUpdate = false;
 			}
 			var model = this._model;
 			var scroll = this._getScroll(false);
 			var viewPad = this._getViewPadding();
 			var lineCount = model.getLineCount();
 			var lineHeight = this._getLineHeight();
 			var clientWidth = this._getClientWidth();
 			if (this._wrapMode) {
 				clientDiv.style.width = clientWidth + "px"; //$NON-NLS-0$
 			}

 			/*
 			* topIndex - top line index of the view (maybe be particialy visible)
 			* lineStart - top line minus one line (if any)
 			* topIndexY - portion of the top line that is NOT visible.
 			* top - topIndexY plus height of the line before top line (if any)
 			*/
 			var topIndex, lineStart, top, topIndexY,
 				leftWidth, leftRect,
 				clientHeight, scrollWidth, scrollHeight,
 				totalHeight = 0, totalLineIndex = 0, tempLineHeight;
 			if (this._lineHeight) {
 				while (totalLineIndex < lineCount) {
 					tempLineHeight = this._getLineHeight(totalLineIndex);
 					if (totalHeight + tempLineHeight > scroll.y) {
 						break;
 					}
 					totalHeight += tempLineHeight;
 					totalLineIndex++;
 				}
 				topIndex = totalLineIndex;
 				lineStart = Math.max(0, topIndex - 1);
 				topIndexY = top = scroll.y - totalHeight;
 				if (topIndex > 0) {
 					top += this._getLineHeight(topIndex - 1);
 				}
 			} else {
 				var firstLine = Math.max(0, scroll.y) / lineHeight;
 				topIndex = Math.floor(firstLine);
 				lineStart = Math.max(0, topIndex - 1);
 				top = Math.round((firstLine - lineStart) * lineHeight);
 				topIndexY = Math.round((firstLine - topIndex) * lineHeight);
 				scrollHeight = lineCount * lineHeight;
 			}
 			this._topIndexY = topIndexY;
 			var parent = this._parent;
 			var parentWidth = parent.clientWidth;
 			var parentHeight = parent.clientHeight;
 			clientHeight = this._getClientHeight();
 			if (hScrollOnly) {
 				leftWidth = 0;
 				if (this._leftDiv) {
 					leftRect = this._leftDiv.getBoundingClientRect();
 					leftWidth = leftRect.right - leftRect.left;
 				}
 				scrollWidth = clientWidth;
 				if (!this._wrapMode) {
 					scrollWidth = Math.max(this._maxLineWidth, scrollWidth);
 				}
 				while (totalLineIndex < lineCount) {
 					tempLineHeight = this._getLineHeight(totalLineIndex, false);
 					totalHeight += tempLineHeight;
 					totalLineIndex++;
 				}
 				scrollHeight = totalHeight;
 			} else {

 				var viewDiv = this._viewDiv;
 				var linesPerPage = Math.floor((clientHeight + topIndexY) / lineHeight);
 				var bottomIndex = Math.min(topIndex + linesPerPage, lineCount - 1);
 				var lineEnd = Math.min(bottomIndex + 1, lineCount - 1);

 				var lineIndex, lineWidth;
 				var child = clientDiv.firstChild;
 				while (child) {
 					lineIndex = child.lineIndex;
 					var nextChild = child.nextSibling;
 					if (!(lineStart <= lineIndex && lineIndex <= lineEnd) || child.lineRemoved || child.lineIndex === -1) {
 						if (this._mouseWheelLine === child) {
 							child.style.display = "none"; //$NON-NLS-0$
 							child.lineIndex = -1;
 						} else {
 							clientDiv.removeChild(child);
 						}
 					}
 					child = nextChild;
 				}

 				child = this._getLineNext();
 				var document = viewDiv.ownerDocument;
 				var frag = document.createDocumentFragment();
 				for (lineIndex=lineStart; lineIndex<=lineEnd; lineIndex++) {
 					if (!child || child.lineIndex > lineIndex) {
 						new TextLine(this, lineIndex).create(frag, null);
 					} else {
 						if (frag.firstChild) {
 							clientDiv.insertBefore(frag, child);
 							frag = document.createDocumentFragment();
 						}
 						if (child && child.lineChanged) {
 							child = new TextLine(this, lineIndex).create(frag, child);
 							child.lineChanged = false;
 						}
 						child = this._getLineNext(child);
 					}
 				}
 				if (frag.firstChild) { clientDiv.insertBefore(frag, child); }

 				/*
 				* Feature in WekKit. Webkit limits the width of the lines
 				* computed below to the width of the client div.  This causes
 				* the lines to be wrapped even though "pre" is set.  The fix
 				* is to set the width of the client div to "0x7fffffffpx"
 				* before computing the lines width.  Note that this value is
 				* reset to the appropriate value further down.
 				*/
 				if (util.isWebkit && !this._wrapMode) {
 					clientDiv.style.width = "0x7fffffffpx"; //$NON-NLS-0$
 				}

 				var rect;
 				child = this._getLineNext();
 				var bottomHeight = clientHeight + top;
 				var foundBottomIndex = false;
 				while (child) {
 					lineWidth = child.lineWidth;
 					if (lineWidth === undefined) {
 						rect = child._line.getBoundingClientRect();
 						lineWidth = child.lineWidth = Math.ceil(rect.right - rect.left);
 						var lh = rect.bottom - rect.top;
 						if (this._lineHeight) {
 							this._lineHeight[child.lineIndex] = lh;
 						} else if (lineHeight !== 0 && lh !== 0 && Math.ceil(lineHeight) !== Math.ceil(lh)) {
 							this._variableLineHeight = true;
 							this._lineHeight = [];
 							this._lineHeight[child.lineIndex] = lh;
 						}
 					}
 					if (this._lineHeight && !foundBottomIndex) {
 						bottomHeight -= this._lineHeight[child.lineIndex];
 						if (bottomHeight < 0) {
 							bottomIndex = child.lineIndex;
 							foundBottomIndex = true;
 						}
 					}
 					if (!this._wrapMode) {
 						if (lineWidth >= this._maxLineWidth) {
 							this._maxLineWidth = lineWidth;
 							this._maxLineIndex = child.lineIndex;
 						}
 						if (this._checkMaxLineIndex === child.lineIndex) { this._checkMaxLineIndex = -1; }
 					}
 					if (child.lineIndex === topIndex) { this._topChild = child; }
 					if (child.lineIndex === bottomIndex) { this._bottomChild = child; }
 					child = this._getLineNext(child);
 				}
 				if (this._checkMaxLineIndex !== -1) {
 					lineIndex = this._checkMaxLineIndex;
 					this._checkMaxLineIndex = -1;
 					if (0 <= lineIndex && lineIndex < lineCount) {
 						var line = new TextLine(this, lineIndex);
 						rect = line.getBoundingClientRect();
 						lineWidth = rect.right - rect.left;
 						if (lineWidth >= this._maxLineWidth) {
 							this._maxLineWidth = lineWidth;
 							this._maxLineIndex = lineIndex;
 						}
 						line.destroy();
 					}
 				}

 				while (totalLineIndex < lineCount) {
 					tempLineHeight = this._getLineHeight(totalLineIndex, totalLineIndex <= bottomIndex);
 					totalHeight += tempLineHeight;
 					totalLineIndex++;
 				}
 				scrollHeight = totalHeight;

 				// Update rulers
 				this._updateRuler(this._leftDiv, topIndex, lineEnd, parentHeight);
 				this._updateRuler(this._rightDiv, topIndex, lineEnd, parentHeight);

 				leftWidth = 0;
 				if (this._leftDiv) {
 					leftRect = this._leftDiv.getBoundingClientRect();
 					leftWidth = leftRect.right - leftRect.left;
 				}
 				var rightWidth = 0;
 				if (this._rightDiv) {
 					var rightRect = this._rightDiv.getBoundingClientRect();
 					rightWidth = rightRect.right - rightRect.left;
 				}
 				viewDiv.style.left = leftWidth + "px"; //$NON-NLS-0$
 				viewDiv.style.right = rightWidth + "px"; //$NON-NLS-0$

 				/* Need to set the height first in order for the width to consider the vertical scrollbar */
 				var scrollDiv = this._scrollDiv;
 				scrollDiv.style.height = scrollHeight + "px"; //$NON-NLS-0$
 				/*
 				* TODO if frameHeightWithoutHScrollbar < scrollHeight  < frameHeightWithHScrollbar and the horizontal bar is visible,
 				* then the clientWidth is wrong because the vertical scrollbar is showing. To correct code should hide both scrollbars
 				* at this point.
 				*/
 				clientWidth = this._getClientWidth();
 				var width = clientWidth;
 				if (!this._wrapMode) {
 					width = Math.max(this._maxLineWidth, width);
 				}
 				/*
 				* Except by IE 8 and earlier, all other browsers are not allocating enough space for the right padding
 				* in the scrollbar. It is possible this a bug since all other paddings are considered.
 				*/
 				scrollWidth = width;
 				if ((!util.isIE || util.isIE >= 9) && this._maxLineWidth > clientWidth) { width += viewPad.right + viewPad.left; }
 				scrollDiv.style.width = width + "px"; //$NON-NLS-0$
 				if (this._clipScrollDiv) {
 					this._clipScrollDiv.style.width = width + "px"; //$NON-NLS-0$
 				}
 				/* Get the left scroll after setting the width of the scrollDiv as this can change the horizontal scroll offset. */
 				scroll = this._getScroll(false);
 			}
 			if (this._vScrollDiv) {
 				var trackHeight = clientHeight - 8;
 				var thumbHeight = Math.max(15, Math.ceil(Math.min(1, trackHeight / (scrollHeight + viewPad.top + viewPad.bottom)) * trackHeight));
 				this._vScrollDiv.style.left = (leftWidth + clientWidth - 8) + "px"; //$NON-NLS-0$
 				this._vScrollDiv.style.top = Math.floor(Math.max(0, (scroll.y * trackHeight / scrollHeight))) + "px"; //$NON-NLS-0$
 				this._vScrollDiv.style.height = thumbHeight + "px"; //$NON-NLS-0$
 			}
 			if (!this._wrapMode && this._hScrollDiv) {
 				var trackWidth = clientWidth - 8;
 				var thumbWidth = Math.max(15, Math.ceil(Math.min(1, trackWidth / (this._maxLineWidth + viewPad.left + viewPad.right)) * trackWidth));
 				this._hScrollDiv.style.left = leftWidth + Math.floor(Math.max(0, Math.floor(scroll.x * trackWidth / this._maxLineWidth))) + "px"; //$NON-NLS-0$
 				this._hScrollDiv.style.top = (clientHeight - 9) + "px"; //$NON-NLS-0$
 				this._hScrollDiv.style.width = thumbWidth + "px"; //$NON-NLS-0$
 			}
 			var left = scroll.x;
 			var clipDiv = this._clipDiv;
 			var overlayDiv = this._overlayDiv;
 			var clipLeft, clipTop;
 			if (clipDiv) {
 				clipDiv.scrollLeft = left;
 				clipDiv.scrollTop = 0;
 				clipLeft = leftWidth + viewPad.left;
 				clipTop = viewPad.top;
 				var clipWidth = clientWidth;
 				var clipHeight = clientHeight;
 				var clientLeft = 0, clientTop = -top;
 				if (scroll.x === 0) {
 					clipLeft -= viewPad.left;
 					clipWidth += viewPad.left;
 					clientLeft = viewPad.left;
 				}
 				if (scroll.x + clientWidth === scrollWidth) {
 					clipWidth += viewPad.right;
 				}
 				if (scroll.y === 0) {
 					clipTop -= viewPad.top;
 					clipHeight += viewPad.top;
 					clientTop += viewPad.top;
 				}
 				if (scroll.y + clientHeight === scrollHeight) {
 					clipHeight += viewPad.bottom;
 				}
 				clipDiv.style.left = clipLeft + "px"; //$NON-NLS-0$
 				clipDiv.style.top = clipTop + "px"; //$NON-NLS-0$
 				clipDiv.style.right = (parentWidth - clipWidth - clipLeft) + "px"; //$NON-NLS-0$
 				clipDiv.style.bottom = (parentHeight - clipHeight - clipTop) + "px"; //$NON-NLS-0$
 				clientDiv.style.left = clientLeft + "px"; //$NON-NLS-0$
 				clientDiv.style.top = clientTop + "px"; //$NON-NLS-0$
 				clientDiv.style.width = scrollWidth + "px"; //$NON-NLS-0$
 				clientDiv.style.height = (clientHeight + top) + "px"; //$NON-NLS-0$
 				if (overlayDiv) {
 					overlayDiv.style.left = clientDiv.style.left;
 					overlayDiv.style.top = clientDiv.style.top;
 					overlayDiv.style.width = clientDiv.style.width;
 					overlayDiv.style.height = clientDiv.style.height;
 				}
 			} else {
 				clipLeft = left;
 				clipTop = top;
 				var clipRight = left + clientWidth;
 				var clipBottom = top + clientHeight;
 				if (clipLeft === 0) { clipLeft -= viewPad.left; }
 				if (clipTop === 0) { clipTop -= viewPad.top; }
 				if (clipRight === scrollWidth) { clipRight += viewPad.right; }
 				if (scroll.y + clientHeight === scrollHeight) { clipBottom += viewPad.bottom; }
 				clientDiv.style.clip = "rect(" + clipTop + "px," + clipRight + "px," + clipBottom + "px," + clipLeft + "px)"; //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 				clientDiv.style.left = (-left + leftWidth + viewPad.left) + "px"; //$NON-NLS-0$
 				clientDiv.style.width = (util.isWebkit ? scrollWidth : clientWidth + left) + "px"; //$NON-NLS-0$
 				if (!hScrollOnly) {
 					clientDiv.style.top = (-top + viewPad.top) + "px"; //$NON-NLS-0$
 					clientDiv.style.height = (clientHeight + top) + "px"; //$NON-NLS-0$
 				}
 				if (overlayDiv) {
 					overlayDiv.style.clip = clientDiv.style.clip;
 					overlayDiv.style.left = clientDiv.style.left;
 					overlayDiv.style.width = clientDiv.style.width;
 					if (!hScrollOnly) {
 						overlayDiv.style.top = clientDiv.style.top;
 						overlayDiv.style.height = clientDiv.style.height;
 					}
 				}
 			}
 			this._updateDOMSelection();

 			/*
 			* If the client height changed during the update page it means that scrollbar has either been shown or hidden.
 			* When this happens update page has to run again to ensure that the top and bottom lines div are correct.
 			*
 			* Note: On IE, updateDOMSelection() has to be called before getting the new client height because it
 			* forces the client area to be recomputed.
 			*/
 			var ensureCaretVisible = this._ensureCaretVisible;
 			this._ensureCaretVisible = false;
 			if (clientHeight !== this._getClientHeight()) {
 				this._update();
 				if (ensureCaretVisible) {
 					this._showCaret();
 				}
 			}
 		},
 		_updateOverflow: function() {
 			var viewDiv = this._viewDiv;
 			if (this._wrapMode) {
 				viewDiv.style.overflowX = "hidden"; //$NON-NLS-0$
 				viewDiv.style.overflowY = "scroll"; //$NON-NLS-0$
 			} else {
 				if (this._singleMode) {
 					viewDiv.style.overflowX = "hidden"; //$NON-NLS-0$
 					viewDiv.style.overflowY = "hidden"; //$NON-NLS-0$
 				} else {
 					viewDiv.style.overflowX = "auto"; //$NON-NLS-0$
 					viewDiv.style.overflowY = "auto"; //$NON-NLS-0$
 				}
 			}
 		},
 		_updateRuler: function (divRuler, topIndex, bottomIndex, parentHeight) {
 			if (!divRuler) { return; }
 			var document = this._parent.ownerDocument;
 			var lineHeight = this._getLineHeight();
 			var viewPad = this._getViewPadding();
 			var div = divRuler.firstChild;
 			while (div) {
 				var ruler = div._ruler;
 				var offset = lineHeight;
 				var overview = ruler.getOverview();
 				if (overview === "page") { offset += this._topIndexY; } //$NON-NLS-0$
 				div.style.top = -offset + "px"; //$NON-NLS-0$
 				div.style.height = (parentHeight + offset) + "px"; //$NON-NLS-0$

 				if (div.rulerChanged) {
 					applyStyle(ruler.getRulerStyle(), div);
 				}

 				var widthDiv;
 				var child = div.firstChild;
 				if (child) {
 					widthDiv = child;
 					child = child.nextSibling;
 				} else {
 					widthDiv = util.createElement(document, "div"); //$NON-NLS-0$
 					widthDiv.style.visibility = "hidden"; //$NON-NLS-0$
 					div.appendChild(widthDiv);
 				}
 				var lineIndex, annotation;
 				if (div.rulerChanged) {
 					if (widthDiv) {
 						lineIndex = -1;
 						annotation = ruler.getWidestAnnotation();
 						if (annotation) {
 							applyStyle(annotation.style, widthDiv);
 							if (annotation.html) {
 								widthDiv.innerHTML = annotation.html;
 							}
 						}
 						widthDiv.lineIndex = lineIndex;
 						widthDiv.style.height = (lineHeight + viewPad.top) + "px"; //$NON-NLS-0$
 					}
 				}

 				var lineDiv, frag, annotations;
 				if (overview === "page") { //$NON-NLS-0$
 					annotations = ruler.getAnnotations(topIndex, bottomIndex + 1);
 					while (child) {
 						lineIndex = child.lineIndex;
 						var nextChild = child.nextSibling;
 						if (!(topIndex <= lineIndex && lineIndex <= bottomIndex) || child.lineChanged) {
 							div.removeChild(child);
 						}
 						child = nextChild;
 					}
 					child = div.firstChild.nextSibling;
 					frag = document.createDocumentFragment();
 					for (lineIndex=topIndex; lineIndex<=bottomIndex; lineIndex++) {
 						if (!child || child.lineIndex > lineIndex) {
 							lineDiv = util.createElement(document, "div"); //$NON-NLS-0$
 							annotation = annotations[lineIndex];
 							if (annotation) {
 								applyStyle(annotation.style, lineDiv);
 								if (annotation.html) {
 									lineDiv.innerHTML = annotation.html;
 								}
 								lineDiv.annotation = annotation;
 							}
 							lineDiv.lineIndex = lineIndex;
 							lineDiv.style.height = this._getLineHeight(lineIndex) + "px"; //$NON-NLS-0$
 							frag.appendChild(lineDiv);
 						} else {
 							if (frag.firstChild) {
 								div.insertBefore(frag, child);
 								frag = document.createDocumentFragment();
 							}
 							if (child) {
 								child = child.nextSibling;
 							}
 						}
 					}
 					if (frag.firstChild) { div.insertBefore(frag, child); }
 				} else {
 					var clientHeight = this._getClientHeight ();
 					var lineCount = this._model.getLineCount ();
 					var contentHeight = lineHeight * lineCount;
 					var trackHeight = clientHeight + viewPad.top + viewPad.bottom - 2 * this._metrics.scrollWidth;
 					var divHeight;
 					if (contentHeight < trackHeight) {
 						divHeight = lineHeight;
 					} else {
 						divHeight = trackHeight / lineCount;
 					}
 					if (div.rulerChanged) {
 						var count = div.childNodes.length;
 						while (count > 1) {
 							div.removeChild(div.lastChild);
 							count--;
 						}
 						annotations = ruler.getAnnotations(0, lineCount);
 						frag = document.createDocumentFragment();
 						for (var prop in annotations) {
 							lineIndex = prop >>> 0;
 							if (lineIndex < 0) { continue; }
 							lineDiv = util.createElement(document, "div"); //$NON-NLS-0$
 							annotation = annotations[prop];
 							applyStyle(annotation.style, lineDiv);
 							lineDiv.style.position = "absolute"; //$NON-NLS-0$
 							lineDiv.style.top = this._metrics.scrollWidth + lineHeight + Math.floor(lineIndex * divHeight) + "px"; //$NON-NLS-0$
 							if (annotation.html) {
 								lineDiv.innerHTML = annotation.html;
 							}
 							lineDiv.annotation = annotation;
 							lineDiv.lineIndex = lineIndex;
 							frag.appendChild(lineDiv);
 						}
 						div.appendChild(frag);
 					} else if (div._oldTrackHeight !== trackHeight) {
 						lineDiv = div.firstChild ? div.firstChild.nextSibling : null;
 						while (lineDiv) {
 							lineDiv.style.top = this._metrics.scrollWidth + lineHeight + Math.floor(lineDiv.lineIndex * divHeight) + "px"; //$NON-NLS-0$
 							lineDiv = lineDiv.nextSibling;
 						}
 					}
 					div._oldTrackHeight = trackHeight;
 				}
 				div.rulerChanged = false;
 				div = div.nextSibling;
 			}
 		},
 		_updateStyleSheet: function() {
 			var styleText = "";
 			if (util.isWebkit && this._metrics.scrollWidth > 0) {
 				styleText += "\n.textview ::-webkit-scrollbar-corner {background: #eeeeee;}"; //$NON-NLS-0$
 			}
 			if (util.isFirefox && util.isMac && this._highlightRGB && this._highlightRGB !== "Highlight") { //$NON-NLS-0$
 				styleText += "\n.textview ::-moz-selection {background: " + this._highlightRGB + ";}"; //$NON-NLS-1$ //$NON-NLS-0$
 			}
 			if (styleText) {
 				var node = document.getElementById("_textviewStyle"); //$NON-NLS-0$
 				if (!node) {
 					node = util.createElement(document, "style"); //$NON-NLS-0$
 					node.id = "_textviewStyle"; //$NON-NLS-0$
 					var head = document.getElementsByTagName("head")[0] || document.documentElement; //$NON-NLS-0$
 					node.appendChild(document.createTextNode(styleText));
 					head.insertBefore(node, head.firstChild);
 				} else {
 					node.removeChild(node.firstChild);
 					node.appendChild(document.createTextNode(styleText));
 				}
 			}
 		},
 		_updateStyle: function (init) {
 			if (!init && util.isIE) {
 				this._rootDiv.style.lineHeight = "normal"; //$NON-NLS-0$
 			}
 			var metrics = this._metrics = this._calculateMetrics();
 			if (util.isIE) {
 				this._rootDiv.style.lineHeight = (metrics.lineHeight - (metrics.lineTrim.top + metrics.lineTrim.bottom)) + "px"; //$NON-NLS-0$
 			} else {
 				this._rootDiv.style.lineHeight = "normal"; //$NON-NLS-0$
 			}
 			this._updateStyleSheet();
 			if (!init) {
 				this.redraw();
 				this._resetLineWidth();
 			}
 		}
 	};//end prototype
 	mEventTarget.EventTarget.addMixin(TextView.prototype);

 	return {TextView: TextView};
 });


 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 /*global define */

 define("orion/editor/projectionTextModel", ['orion/editor/textModel', 'orion/editor/eventTarget'], function(mTextModel, mEventTarget) { //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$

 	/**
 	 * @class This object represents a projection range. A projection specifies a
 	 * range of text and the replacement text. The range of text is relative to the
 	 * base text model associated to a projection model.
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.ProjectionTextModel}<br/>
 	 * {@link orion.editor.ProjectionTextModel#addProjection}<br/>
 	 * </p>
 	 * @name orion.editor.Projection
 	 *
 	 * @property {Number} start The start offset of the projection range.
 	 * @property {Number} end The end offset of the projection range. This offset is exclusive.
 	 * @property {String|orion.editor.TextModel} [text=""] The projection text to be inserted
 	 */
 	/**
 	 * Constructs a new <code>ProjectionTextModel</code> based on the specified <code>TextModel</code>.
 	 *
 	 * @param {orion.editor.TextModel} baseModel The base text model.
 	 *
 	 * @name orion.editor.ProjectionTextModel
 	 * @class The <code>ProjectionTextModel</code> represents a projection of its base text
 	 * model. Projection ranges can be added to the projection text model to hide and/or insert
 	 * ranges to the base text model.
 	 * <p>
 	 * The contents of the projection text model is modified when changes occur in the base model,
 	 * projection model or by calls to {@link #addProjection} and {@link #removeProjection}.
 	 * </p>
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.TextView}<br/>
 	 * {@link orion.editor.TextModel}
 	 * {@link orion.editor.TextView#setModel}
 	 * </p>
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	function ProjectionTextModel(baseModel) {
 		this._model = baseModel;	/* Base Model */
 		this._projections = [];
 	}

 	ProjectionTextModel.prototype = /** @lends orion.editor.ProjectionTextModel.prototype */ {
 		/**
 		 * Adds a projection range to the model.
 		 * <p>
 		 * The model must notify the listeners before and after the the text is
 		 * changed by calling {@link #onChanging} and {@link #onChanged} respectively.
 		 * </p>
 		 * @param {orion.editor.Projection} projection The projection range to be added.
 		 *
 		 * @see orion.editor.ProjectionTextModel#removeProjection
 		 */
 		addProjection: function(projection) {
 			if (!projection) {return;}
 			//start and end can't overlap any exist projection
 			var model = this._model, projections = this._projections;
 			projection._lineIndex = model.getLineAtOffset(projection.start);
 			projection._lineCount = model.getLineAtOffset(projection.end) - projection._lineIndex;
 			var text = projection.text;
 			if (!text) { text = ""; }
 			if (typeof text === "string") { //$NON-NLS-0$
 				projection._model = new mTextModel.TextModel(text, model.getLineDelimiter());
 			} else {
 				projection._model = text;
 			}
 			var eventStart = this.mapOffset(projection.start, true);
 			var removedCharCount = projection.end - projection.start;
 			var removedLineCount = projection._lineCount;
 			var addedCharCount = projection._model.getCharCount();
 			var addedLineCount = projection._model.getLineCount() - 1;
 			var modelChangingEvent = {
 				type: "Changing", //$NON-NLS-0$
 				text: projection._model.getText(),
 				start: eventStart,
 				removedCharCount: removedCharCount,
 				addedCharCount: addedCharCount,
 				removedLineCount: removedLineCount,
 				addedLineCount: addedLineCount
 			};
 			this.onChanging(modelChangingEvent);
 			var index = this._binarySearch(projections, projection.start);
 			projections.splice(index, 0, projection);
 			var modelChangedEvent = {
 				type: "Changed", //$NON-NLS-0$
 				start: eventStart,
 				removedCharCount: removedCharCount,
 				addedCharCount: addedCharCount,
 				removedLineCount: removedLineCount,
 				addedLineCount: addedLineCount
 			};
 			this.onChanged(modelChangedEvent);
 		},
 		/**
 		 * Returns all projection ranges of this model.
 		 *
 		 * @return {orion.editor.Projection[]} The projection ranges.
 		 *
 		 * @see orion.editor.ProjectionTextModel#addProjection
 		 */
 		getProjections: function() {
 			return this._projections.slice(0);
 		},
 		/**
 		 * Gets the base text model.
 		 *
 		 * @return {orion.editor.TextModel} The base text model.
 		 */
 		getBaseModel: function() {
 			return this._model;
 		},
 		/**
 		 * Maps offsets between the projection model and its base model.
 		 *
 		 * @param {Number} offset The offset to be mapped.
 		 * @param {Boolean} [baseOffset=false] <code>true</code> if <code>offset</code> is in base model and
 		 *	should be mapped to the projection model.
 		 * @return {Number} The mapped offset
 		 */
 		mapOffset: function(offset, baseOffset) {
 			var projections = this._projections, delta = 0, i, projection;
 			if (baseOffset) {
 				for (i = 0; i < projections.length; i++) {
 					projection = projections[i];
 					if (projection.start > offset) { break; }
 					if (projection.end > offset) { return -1; }
 					delta += projection._model.getCharCount() - (projection.end - projection.start);
 				}
 				return offset + delta;
 			}
 			for (i = 0; i < projections.length; i++) {
 				projection = projections[i];
 				if (projection.start > offset - delta) { break; }
 				var charCount = projection._model.getCharCount();
 				if (projection.start + charCount > offset - delta) {
 					return -1;
 				}
 				delta += charCount - (projection.end - projection.start);
 			}
 			return offset - delta;
 		},
 		/**
 		 * Removes a projection range from the model.
 		 * <p>
 		 * The model must notify the listeners before and after the the text is
 		 * changed by calling {@link #onChanging} and {@link #onChanged} respectively.
 		 * </p>
 		 *
 		 * @param {orion.editor.Projection} projection The projection range to be removed.
 		 *
 		 * @see orion.editor.ProjectionTextModel#addProjection
 		 */
 		removeProjection: function(projection) {
 			//TODO remove listeners from model
 			var i, delta = 0;
 			for (i = 0; i < this._projections.length; i++) {
 				var p = this._projections[i];
 				if (p === projection) {
 					projection = p;
 					break;
 				}
 				delta += p._model.getCharCount() - (p.end - p.start);
 			}
 			if (i < this._projections.length) {
 				var model = this._model;
 				var eventStart = projection.start + delta;
 				var addedCharCount = projection.end - projection.start;
 				var addedLineCount = projection._lineCount;
 				var removedCharCount = projection._model.getCharCount();
 				var removedLineCount = projection._model.getLineCount() - 1;
 				var modelChangingEvent = {
 					type: "Changing", //$NON-NLS-0$
 					text: model.getText(projection.start, projection.end),
 					start: eventStart,
 					removedCharCount: removedCharCount,
 					addedCharCount: addedCharCount,
 					removedLineCount: removedLineCount,
 					addedLineCount: addedLineCount
 				};
 				this.onChanging(modelChangingEvent);
 				this._projections.splice(i, 1);
 				var modelChangedEvent = {
 					type: "Changed", //$NON-NLS-0$
 					start: eventStart,
 					removedCharCount: removedCharCount,
 					addedCharCount: addedCharCount,
 					removedLineCount: removedLineCount,
 					addedLineCount: addedLineCount
 				};
 				this.onChanged(modelChangedEvent);
 			}
 		},
 		/** @ignore */
 		_binarySearch: function (array, offset) {
 			var high = array.length, low = -1, index;
 			while (high - low > 1) {
 				index = Math.floor((high + low) / 2);
 				if (offset <= array[index].start) {
 					high = index;
 				} else {
 					low = index;
 				}
 			}
 			return high;
 		},
 		/**
 		 * @see orion.editor.TextModel#getCharCount
 		 */
 		getCharCount: function() {
 			var count = this._model.getCharCount(), projections = this._projections;
 			for (var i = 0; i < projections.length; i++) {
 				var projection = projections[i];
 				count += projection._model.getCharCount() - (projection.end - projection.start);
 			}
 			return count;
 		},
 		/**
 		 * @see orion.editor.TextModel#getLine
 		 */
 		getLine: function(lineIndex, includeDelimiter) {
 			if (lineIndex < 0) { return null; }
 			var model = this._model, projections = this._projections;
 			var delta = 0, result = [], offset = 0, i, lineCount, projection;
 			for (i = 0; i < projections.length; i++) {
 				projection = projections[i];
 				if (projection._lineIndex >= lineIndex - delta) { break; }
 				lineCount = projection._model.getLineCount() - 1;
 				if (projection._lineIndex + lineCount >= lineIndex - delta) {
 					var projectionLineIndex = lineIndex - (projection._lineIndex + delta);
 					if (projectionLineIndex < lineCount) {
 						return projection._model.getLine(projectionLineIndex, includeDelimiter);
 					} else {
 						result.push(projection._model.getLine(lineCount));
 					}
 				}
 				offset = projection.end;
 				delta += lineCount - projection._lineCount;
 			}
 			offset = Math.max(offset, model.getLineStart(lineIndex - delta));
 			for (; i < projections.length; i++) {
 				projection = projections[i];
 				if (projection._lineIndex > lineIndex - delta) { break; }
 				result.push(model.getText(offset, projection.start));
 				lineCount = projection._model.getLineCount() - 1;
 				if (projection._lineIndex + lineCount > lineIndex - delta) {
 					result.push(projection._model.getLine(0, includeDelimiter));
 					return result.join("");
 				}
 				result.push(projection._model.getText());
 				offset = projection.end;
 				delta += lineCount - projection._lineCount;
 			}
 			var end = model.getLineEnd(lineIndex - delta, includeDelimiter);
 			if (offset < end) {
 				result.push(model.getText(offset, end));
 			}
 			return result.join("");
 		},
 		/**
 		 * @see orion.editor.TextModel#getLineAtOffset
 		 */
 		getLineAtOffset: function(offset) {
 			var model = this._model, projections = this._projections;
 			var delta = 0, lineDelta = 0;
 			for (var i = 0; i < projections.length; i++) {
 				var projection = projections[i];
 				if (projection.start > offset - delta) { break; }
 				var charCount = projection._model.getCharCount();
 				if (projection.start + charCount > offset - delta) {
 					var projectionOffset = offset - (projection.start + delta);
 					lineDelta += projection._model.getLineAtOffset(projectionOffset);
 					delta += projectionOffset;
 					break;
 				}
 				lineDelta += projection._model.getLineCount() - 1 - projection._lineCount;
 				delta += charCount - (projection.end - projection.start);
 			}
 			return model.getLineAtOffset(offset - delta) + lineDelta;
 		},
 		/**
 		 * @see orion.editor.TextModel#getLineCount
 		 */
 		getLineCount: function() {
 			var model = this._model, projections = this._projections;
 			var count = model.getLineCount();
 			for (var i = 0; i < projections.length; i++) {
 				var projection = projections[i];
 				count += projection._model.getLineCount() - 1 - projection._lineCount;
 			}
 			return count;
 		},
 		/**
 		 * @see orion.editor.TextModel#getLineDelimiter
 		 */
 		getLineDelimiter: function() {
 			return this._model.getLineDelimiter();
 		},
 		/**
 		 * @see orion.editor.TextModel#getLineEnd
 		 */
 		getLineEnd: function(lineIndex, includeDelimiter) {
 			if (lineIndex < 0) { return -1; }
 			var model = this._model, projections = this._projections;
 			var delta = 0, offsetDelta = 0;
 			for (var i = 0; i < projections.length; i++) {
 				var projection = projections[i];
 				if (projection._lineIndex > lineIndex - delta) { break; }
 				var lineCount = projection._model.getLineCount() - 1;
 				if (projection._lineIndex + lineCount > lineIndex - delta) {
 					var projectionLineIndex = lineIndex - (projection._lineIndex + delta);
 					return projection._model.getLineEnd (projectionLineIndex, includeDelimiter) + projection.start + offsetDelta;
 				}
 				offsetDelta += projection._model.getCharCount() - (projection.end - projection.start);
 				delta += lineCount - projection._lineCount;
 			}
 			return model.getLineEnd(lineIndex - delta, includeDelimiter) + offsetDelta;
 		},
 		/**
 		 * @see orion.editor.TextModel#getLineStart
 		 */
 		getLineStart: function(lineIndex) {
 			if (lineIndex < 0) { return -1; }
 			var model = this._model, projections = this._projections;
 			var delta = 0, offsetDelta = 0;
 			for (var i = 0; i < projections.length; i++) {
 				var projection = projections[i];
 				if (projection._lineIndex >= lineIndex - delta) { break; }
 				var lineCount = projection._model.getLineCount() - 1;
 				if (projection._lineIndex + lineCount >= lineIndex - delta) {
 					var projectionLineIndex = lineIndex - (projection._lineIndex + delta);
 					return projection._model.getLineStart (projectionLineIndex) + projection.start + offsetDelta;
 				}
 				offsetDelta += projection._model.getCharCount() - (projection.end - projection.start);
 				delta += lineCount - projection._lineCount;
 			}
 			return model.getLineStart(lineIndex - delta) + offsetDelta;
 		},
 		/**
 		 * @see orion.editor.TextModel#getText
 		 */
 		getText: function(start, end) {
 			if (start === undefined) { start = 0; }
 			var model = this._model, projections = this._projections;
 			var delta = 0, result = [], i, projection, charCount;
 			for (i = 0; i < projections.length; i++) {
 				projection = projections[i];
 				if (projection.start > start - delta) { break; }
 				charCount = projection._model.getCharCount();
 				if (projection.start + charCount > start - delta) {
 					if (end !== undefined && projection.start + charCount > end - delta) {
 						return projection._model.getText(start - (projection.start + delta), end - (projection.start + delta));
 					} else {
 						result.push(projection._model.getText(start - (projection.start + delta)));
 						start = projection.end + delta + charCount - (projection.end - projection.start);
 					}
 				}
 				delta += charCount - (projection.end - projection.start);
 			}
 			var offset = start - delta;
 			if (end !== undefined) {
 				for (; i < projections.length; i++) {
 					projection = projections[i];
 					if (projection.start > end - delta) { break; }
 					result.push(model.getText(offset, projection.start));
 					charCount = projection._model.getCharCount();
 					if (projection.start + charCount > end - delta) {
 						result.push(projection._model.getText(0, end - (projection.start + delta)));
 						return result.join("");
 					}
 					result.push(projection._model.getText());
 					offset = projection.end;
 					delta += charCount - (projection.end - projection.start);
 				}
 				result.push(model.getText(offset, end - delta));
 			} else {
 				for (; i < projections.length; i++) {
 					projection = projections[i];
 					result.push(model.getText(offset, projection.start));
 					result.push(projection._model.getText());
 					offset = projection.end;
 				}
 				result.push(model.getText(offset));
 			}
 			return result.join("");
 		},
 		/** @ignore */
 		_onChanging: function(text, start, removedCharCount, addedCharCount, removedLineCount, addedLineCount) {
 			var model = this._model, projections = this._projections, i, projection, delta = 0, lineDelta;
 			var end = start + removedCharCount;
 			for (; i < projections.length; i++) {
 				projection = projections[i];
 				if (projection.start > start) { break; }
 				delta += projection._model.getCharCount() - (projection.end - projection.start);
 			}
 			/*TODO add stuff saved by setText*/
 			var mapStart = start + delta, rangeStart = i;
 			for (; i < projections.length; i++) {
 				projection = projections[i];
 				if (projection.start > end) { break; }
 				delta += projection._model.getCharCount() - (projection.end - projection.start);
 				lineDelta += projection._model.getLineCount() - 1 - projection._lineCount;
 			}
 			/*TODO add stuff saved by setText*/
 			var mapEnd = end + delta, rangeEnd = i;
 			this.onChanging(mapStart, mapEnd - mapStart, addedCharCount/*TODO add stuff saved by setText*/, removedLineCount + lineDelta/*TODO add stuff saved by setText*/, addedLineCount/*TODO add stuff saved by setText*/);
 			projections.splice(projections, rangeEnd - rangeStart);
 			var count = text.length - (mapEnd - mapStart);
 			for (; i < projections.length; i++) {
 				projection = projections[i];
 				projection.start += count;
 				projection.end += count;
 				projection._lineIndex = model.getLineAtOffset(projection.start);
 			}
 		},
 		/**
 		 * @see orion.editor.TextModel#onChanging
 		 */
 		onChanging: function(modelChangingEvent) {
 			return this.dispatchEvent(modelChangingEvent);
 		},
 		/**
 		 * @see orion.editor.TextModel#onChanged
 		 */
 		onChanged: function(modelChangedEvent) {
 			return this.dispatchEvent(modelChangedEvent);
 		},
 		/**
 		 * @see orion.editor.TextModel#setLineDelimiter
 		 */
 		setLineDelimiter: function(lineDelimiter) {
 			this._model.setLineDelimiter(lineDelimiter);
 		},
 		/**
 		 * @see orion.editor.TextModel#setText
 		 */
 		setText: function(text, start, end) {
 			if (text === undefined) { text = ""; }
 			if (start === undefined) { start = 0; }
 			var eventStart = start, eventEnd = end;
 			var model = this._model, projections = this._projections;
 			var delta = 0, lineDelta = 0, i, projection, charCount, startProjection, endProjection, startLineDelta = 0;
 			for (i = 0; i < projections.length; i++) {
 				projection = projections[i];
 				if (projection.start > start - delta) { break; }
 				charCount = projection._model.getCharCount();
 				if (projection.start + charCount > start - delta) {
 					if (end !== undefined && projection.start + charCount > end - delta) {
 						projection._model.setText(text, start - (projection.start + delta), end - (projection.start + delta));
 						//TODO events - special case
 						return;
 					} else {
 						startLineDelta = projection._model.getLineCount() - 1 - projection._model.getLineAtOffset(start - (projection.start + delta));
 						startProjection = {
 							projection: projection,
 							start: start - (projection.start + delta)
 						};
 						start = projection.end + delta + charCount - (projection.end - projection.start);
 					}
 				}
 				lineDelta += projection._model.getLineCount() - 1 - projection._lineCount;
 				delta += charCount - (projection.end - projection.start);
 			}
 			var mapStart = start - delta, rangeStart = i, startLine = model.getLineAtOffset(mapStart) + lineDelta - startLineDelta;
 			if (end !== undefined) {
 				for (; i < projections.length; i++) {
 					projection = projections[i];
 					if (projection.start > end - delta) { break; }
 					charCount = projection._model.getCharCount();
 					if (projection.start + charCount > end - delta) {
 						lineDelta += projection._model.getLineAtOffset(end - (projection.start + delta));
 						charCount = end - (projection.start + delta);
 						end = projection.end + delta;
 						endProjection = {
 							projection: projection,
 							end: charCount
 						};
 						break;
 					}
 					lineDelta += projection._model.getLineCount() - 1 - projection._lineCount;
 					delta += charCount - (projection.end - projection.start);
 				}
 			} else {
 				for (; i < projections.length; i++) {
 					projection = projections[i];
 					lineDelta += projection._model.getLineCount() - 1 - projection._lineCount;
 					delta += projection._model.getCharCount() - (projection.end - projection.start);
 				}
 				end = eventEnd = model.getCharCount() + delta;
 			}
 			var mapEnd = end - delta, rangeEnd = i, endLine = model.getLineAtOffset(mapEnd) + lineDelta;

 			//events
 			var removedCharCount = eventEnd - eventStart;
 			var removedLineCount = endLine - startLine;
 			var addedCharCount = text.length;
 			var addedLineCount = 0;
 			var cr = 0, lf = 0, index = 0;
 			while (true) {
 				if (cr !== -1 && cr <= index) { cr = text.indexOf("\r", index); } //$NON-NLS-0$
 				if (lf !== -1 && lf <= index) { lf = text.indexOf("\n", index); } //$NON-NLS-0$
 				if (lf === -1 && cr === -1) { break; }
 				if (cr !== -1 && lf !== -1) {
 					if (cr + 1 === lf) {
 						index = lf + 1;
 					} else {
 						index = (cr < lf ? cr : lf) + 1;
 					}
 				} else if (cr !== -1) {
 					index = cr + 1;
 				} else {
 					index = lf + 1;
 				}
 				addedLineCount++;
 			}

 			var modelChangingEvent = {
 				type: "Changing", //$NON-NLS-0$
 				text: text,
 				start: eventStart,
 				removedCharCount: removedCharCount,
 				addedCharCount: addedCharCount,
 				removedLineCount: removedLineCount,
 				addedLineCount: addedLineCount
 			};
 			this.onChanging(modelChangingEvent);

 //			var changeLineCount = model.getLineAtOffset(mapEnd) - model.getLineAtOffset(mapStart) + addedLineCount;
 			model.setText(text, mapStart, mapEnd);
 			if (startProjection) {
 				projection = startProjection.projection;
 				projection._model.setText("", startProjection.start);
 			}
 			if (endProjection) {
 				projection = endProjection.projection;
 				projection._model.setText("", 0, endProjection.end);
 				projection.start = projection.end;
 				projection._lineCount = 0;
 			}
 			projections.splice(rangeStart, rangeEnd - rangeStart);
 			var changeCount = text.length - (mapEnd - mapStart);
 			for (i = rangeEnd; i < projections.length; i++) {
 				projection = projections[i];
 				projection.start += changeCount;
 				projection.end += changeCount;
 //				if (projection._lineIndex + changeLineCount !== model.getLineAtOffset(projection.start)) {
 //					log("here");
 //				}
 				projection._lineIndex = model.getLineAtOffset(projection.start);
 //				projection._lineIndex += changeLineCount;
 			}

 			var modelChangedEvent = {
 				type: "Changed", //$NON-NLS-0$
 				start: eventStart,
 				removedCharCount: removedCharCount,
 				addedCharCount: addedCharCount,
 				removedLineCount: removedLineCount,
 				addedLineCount: addedLineCount
 			};
 			this.onChanged(modelChangedEvent);
 		}
 	};
 	mEventTarget.EventTarget.addMixin(ProjectionTextModel.prototype);

 	return {ProjectionTextModel: ProjectionTextModel};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 /*global define */

 define("orion/editor/annotations", ['i18n!orion/editor/nls/messages', 'orion/editor/eventTarget'], function(messages, mEventTarget) { //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	/**
 	 * @class This object represents a decoration attached to a range of text. Annotations are added to a
 	 * <code>AnnotationModel</code> which is attached to a <code>TextModel</code>.
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.AnnotationModel}<br/>
 	 * {@link orion.editor.Ruler}<br/>
 	 * </p>
 	 * @name orion.editor.Annotation
 	 *
 	 * @property {String} type The annotation type (for example, orion.annotation.error).
 	 * @property {Number} start The start offset of the annotation in the text model.
 	 * @property {Number} end The end offset of the annotation in the text model.
 	 * @property {String} html The HTML displayed for the annotation.
 	 * @property {String} title The text description for the annotation.
 	 * @property {orion.editor.Style} style The style information for the annotation used in the annotations ruler and tooltips.
 	 * @property {orion.editor.Style} overviewStyle The style information for the annotation used in the overview ruler.
 	 * @property {orion.editor.Style} rangeStyle The style information for the annotation used in the text view to decorate a range of text.
 	 * @property {orion.editor.Style} lineStyle The style information for the annotation used in the text view to decorate a line of text.
 	 */
 	/**
 	 * Constructs a new folding annotation.
 	 *
 	 * @param {Number} start The start offset of the annotation in the text model.
 	 * @param {Number} end The end offset of the annotation in the text model.
 	 * @param {orion.editor.ProjectionTextModel} projectionModel The projection text model.
 	 *
 	 * @class This object represents a folding annotation.
 	 * @name orion.editor.FoldingAnnotation
 	 */
 	function FoldingAnnotation (start, end, projectionModel) {
 		this.start = start;
 		this.end = end;
 		this._projectionModel = projectionModel;
 		this.html = this._expandedHTML;
 		this.style = this._expandedStyle;
 		this.expanded = true;
 	}

 	FoldingAnnotation.prototype = /** @lends orion.editor.FoldingAnnotation.prototype */ {
 		_expandedHTML: "<div class='annotationHTML expanded'></div>", //$NON-NLS-0$
 		_expandedStyle: {styleClass: "annotation expanded"}, //$NON-NLS-0$
 		_collapsedHTML: "<div class='annotationHTML collapsed'></div>", //$NON-NLS-0$
 		_collapsedStyle: {styleClass: "annotation collapsed"}, //$NON-NLS-0$
 		/**
 		 * Collapses the annotation.
 		 */
 		collapse: function () {
 			if (!this.expanded) { return; }
 			this.expanded = false;
 			this.html = this._collapsedHTML;
 			this.style = this._collapsedStyle;
 			var projectionModel = this._projectionModel;
 			var baseModel = projectionModel.getBaseModel();
 			this._projection = {
 				start: baseModel.getLineStart(baseModel.getLineAtOffset(this.start) + 1),
 				end: baseModel.getLineEnd(baseModel.getLineAtOffset(this.end), true)
 			};
 			projectionModel.addProjection(this._projection);
 		},
 		/**
 		 * Expands the annotation.
 		 */
 		expand: function () {
 			if (this.expanded) { return; }
 			this.expanded = true;
 			this.html = this._expandedHTML;
 			this.style = this._expandedStyle;
 			this._projectionModel.removeProjection(this._projection);
 		}
 	};

 	/**
 	 * @class This object represents a regitry of annotation types.
 	 * @name orion.editor.AnnotationType
 	 */
 	function AnnotationType() {
 	}

 	/**
 	 * Error annotation type.
 	 */
 	AnnotationType.ANNOTATION_ERROR = "orion.annotation.error"; //$NON-NLS-0$
 	/**
 	 * Warning annotation type.
 	 */
 	AnnotationType.ANNOTATION_WARNING = "orion.annotation.warning"; //$NON-NLS-0$
 	/**
 	 * Task annotation type.
 	 */
 	AnnotationType.ANNOTATION_TASK = "orion.annotation.task"; //$NON-NLS-0$
 	/**
 	 * Breakpoint annotation type.
 	 */
 	AnnotationType.ANNOTATION_BREAKPOINT = "orion.annotation.breakpoint"; //$NON-NLS-0$
 	/**
 	 * Bookmark annotation type.
 	 */
 	AnnotationType.ANNOTATION_BOOKMARK = "orion.annotation.bookmark"; //$NON-NLS-0$
 	/**
 	 * Folding annotation type.
 	 */
 	AnnotationType.ANNOTATION_FOLDING = "orion.annotation.folding"; //$NON-NLS-0$
 	/**
 	 * Curent bracket annotation type.
 	 */
 	AnnotationType.ANNOTATION_CURRENT_BRACKET = "orion.annotation.currentBracket"; //$NON-NLS-0$
 	/**
 	 * Matching bracket annotation type.
 	 */
 	AnnotationType.ANNOTATION_MATCHING_BRACKET = "orion.annotation.matchingBracket"; //$NON-NLS-0$
 	/**
 	 * Current line annotation type.
 	 */
 	AnnotationType.ANNOTATION_CURRENT_LINE = "orion.annotation.currentLine"; //$NON-NLS-0$
 	/**
 	 * Current search annotation type.
 	 */
 	AnnotationType.ANNOTATION_CURRENT_SEARCH = "orion.annotation.currentSearch"; //$NON-NLS-0$
 	/**
 	 * Matching search annotation type.
 	 */
 	AnnotationType.ANNOTATION_MATCHING_SEARCH = "orion.annotation.matchingSearch"; //$NON-NLS-0$
 	/**
 	 * Read Occurrence annotation type.
 	 */
 	AnnotationType.ANNOTATION_READ_OCCURRENCE = "orion.annotation.readOccurrence"; //$NON-NLS-0$
 	/**
 	 * Write Occurrence annotation type.
 	 */
 	AnnotationType.ANNOTATION_WRITE_OCCURRENCE = "orion.annotation.writeOccurrence"; //$NON-NLS-0$

 	/**
 	 * Selected linked group annotation type.
 	 */
 	AnnotationType.ANNOTATION_SELECTED_LINKED_GROUP = "orion.annotation.selectedLinkedGroup"; //$NON-NLS-0$

 	/**
 	 * Current linked group annotation type.
 	 */
 	AnnotationType.ANNOTATION_CURRENT_LINKED_GROUP = "orion.annotation.currentLinkedGroup"; //$NON-NLS-0$

 	/**
 	 * Linked group annotation type.
 	 */
 	AnnotationType.ANNOTATION_LINKED_GROUP = "orion.annotation.linkedGroup"; //$NON-NLS-0$

 	/**
 	* Blame annotation type.
 	*/
 	AnnotationType.ANNOTATION_BLAME = "orion.annotation.blame"; //$NON-NLS-0$

 	/**
 	* Current Blame annotation type.
 	*/
 	AnnotationType.ANNOTATION_CURRENT_BLAME = "orion.annotation.currentBlame"; //$NON-NLS-0$


 	/** @private */
 	var annotationTypes = {};

 	/**
 	 * Register an annotation type.
 	 *
 	 * @param {String} type The annotation type (for example, orion.annotation.error).
 	 * @param {Object|Function} properties The common annotation properties of the registered
 	 *		annotation type. All annotations create with this annotation type will expose these
 	 *		properties.
 	 */
 	AnnotationType.registerType = function(type, properties) {
 		var constructor = properties;
 		if (typeof constructor !== "function") { //$NON-NLS-0$
 			constructor = function(start, end, title) {
 				this.start = start;
 				this.end = end;
 				if (title !== undefined) { this.title = title; }
 			};
 			constructor.prototype = properties;
 		}
 		constructor.prototype.type = type;
 		annotationTypes[type] = constructor;
 		return type;
 	};

 	/**
 	 * Creates an annotation of a given type with the specified start end end offsets.
 	 *
 	 * @param {String} type The annotation type (for example, orion.annotation.error).
 	 * @param {Number} start The start offset of the annotation in the text model.
 	 * @param {Number} end The end offset of the annotation in the text model.
 	 * @param {String} [title] The text description for the annotation if different then the type description.
 	 * @return {orion.editor.Annotation} the new annotation
 	 */
 	AnnotationType.createAnnotation = function(type, start, end, title) {
 		return new (this.getType(type))(start, end, title);
 	};

 	/**
 	 * Gets the registered annotation type with specified type. The returned
 	 * value is a constructor that can be used to create annotations of the
 	 * speficied type.  The constructor takes the start and end offsets of
 	 * the annotation.
 	 *
 	 * @param {String} type The annotation type (for example, orion.annotation.error).
 	 * @return {Function} The annotation type constructor ( i.e function(start, end, title) ).
 	 */
 	AnnotationType.getType = function(type) {
 		return annotationTypes[type];
 	};

 	/** @private */
 	function registerType(type, lineStyling) {
 		var index = type.lastIndexOf('.'); //$NON-NLS-0$
 		var suffix = type.substring(index + 1);
 		var properties = {
 			title: messages[suffix],
 			style: {styleClass: "annotation " + suffix}, //$NON-NLS-0$
 			html: "<div class='annotationHTML " + suffix + "'></div>", //$NON-NLS-1$ //$NON-NLS-0$
 			overviewStyle: {styleClass: "annotationOverview " + suffix} //$NON-NLS-0$
 		};
 		if (lineStyling) {
 			properties.lineStyle = {styleClass: "annotationLine " + suffix}; //$NON-NLS-0$
 		} else {
 			properties.rangeStyle = {styleClass: "annotationRange " + suffix}; //$NON-NLS-0$
 		}
 		AnnotationType.registerType(type, properties);
 	}
 	registerType(AnnotationType.ANNOTATION_ERROR);
 	registerType(AnnotationType.ANNOTATION_WARNING);
 	registerType(AnnotationType.ANNOTATION_TASK);
 	registerType(AnnotationType.ANNOTATION_BREAKPOINT);
 	registerType(AnnotationType.ANNOTATION_BOOKMARK);
 	registerType(AnnotationType.ANNOTATION_CURRENT_BRACKET);
 	registerType(AnnotationType.ANNOTATION_MATCHING_BRACKET);
 	registerType(AnnotationType.ANNOTATION_CURRENT_SEARCH);
 	registerType(AnnotationType.ANNOTATION_MATCHING_SEARCH);
 	registerType(AnnotationType.ANNOTATION_READ_OCCURRENCE);
 	registerType(AnnotationType.ANNOTATION_WRITE_OCCURRENCE);
 	registerType(AnnotationType.ANNOTATION_SELECTED_LINKED_GROUP);
 	registerType(AnnotationType.ANNOTATION_CURRENT_LINKED_GROUP);
 	registerType(AnnotationType.ANNOTATION_LINKED_GROUP);
 	registerType(AnnotationType.ANNOTATION_CURRENT_LINE, true);
 	registerType(AnnotationType.ANNOTATION_BLAME, true);
 	registerType(AnnotationType.ANNOTATION_CURRENT_BLAME, true);
 	AnnotationType.registerType(AnnotationType.ANNOTATION_FOLDING, FoldingAnnotation);

 	/**
 	 * Constructs a new AnnotationTypeList object.
 	 *
 	 * @class This represents an interface of prioritized annotation types.
 	 * @name orion.editor.AnnotationTypeList
 	 */
 	function AnnotationTypeList () {
 	}
 	/**
 	 * Adds in the annotation type interface into the specified object.
 	 *
 	 * @param {Object} object The object to add in the annotation type interface.
 	 */
 	AnnotationTypeList.addMixin = function(object) {
 		var proto = AnnotationTypeList.prototype;
 		for (var p in proto) {
 			if (proto.hasOwnProperty(p)) {
 				object[p] = proto[p];
 			}
 		}
 	};
 	AnnotationTypeList.prototype = /** @lends orion.editor.AnnotationTypeList.prototype */ {
 		/**
 		 * Adds an annotation type to the receiver.
 		 * <p>
 		 * Only annotations of the specified types will be shown by
 		 * the receiver.
 		 * </p>
 		 *
 		 * @param {Object} type the annotation type to be shown
 		 *
 		 * @see orion.editor.AnnotationTypeList#removeAnnotationType
 		 * @see orion.editor.AnnotationTypeList#isAnnotationTypeVisible
 		 */
 		addAnnotationType: function(type) {
 			if (!this._annotationTypes) { this._annotationTypes = []; }
 			this._annotationTypes.push(type);
 		},
 		/**
 		 * Gets the annotation type priority.  The priority is determined by the
 		 * order the annotation type is added to the receiver.  Annotation types
 		 * added first have higher priority.
 		 * <p>
 		 * Returns <code>0</code> if the annotation type is not added.
 		 * </p>
 		 *
 		 * @param {Object} type the annotation type
 		 *
 		 * @see orion.editor.AnnotationTypeList#addAnnotationType
 		 * @see orion.editor.AnnotationTypeList#removeAnnotationType
 		 * @see orion.editor.AnnotationTypeList#isAnnotationTypeVisible
 		 */
 		getAnnotationTypePriority: function(type) {
 			if (this._annotationTypes) {
 				for (var i = 0; i < this._annotationTypes.length; i++) {
 					if (this._annotationTypes[i] === type) {
 						return i + 1;
 					}
 				}
 			}
 			return 0;
 		},
 		/**
 		 * Returns an array of annotations in the specified annotation model for the given range of text sorted by type.
 		 *
 		 * @param {orion.editor.AnnotationModel} annotationModel the annotation model.
 		 * @param {Number} start the start offset of the range.
 		 * @param {Number} end the end offset of the range.
 		 * @return {orion.editor.Annotation[]} an annotation array.
 		 */
 		getAnnotationsByType: function(annotationModel, start, end) {
 			var iter = annotationModel.getAnnotations(start, end);
 			var annotation, annotations = [];
 			while (iter.hasNext()) {
 				annotation = iter.next();
 				var priority = this.getAnnotationTypePriority(annotation.type);
 				if (priority === 0) { continue; }
 				annotations.push(annotation);
 			}
 			var self = this;
 			annotations.sort(function(a, b) {
 				return self.getAnnotationTypePriority(a.type) - self.getAnnotationTypePriority(b.type);
 			});
 			return annotations;
 		},
 		/**
 		 * Returns whether the receiver shows annotations of the specified type.
 		 *
 		 * @param {Object} type the annotation type
 		 * @returns {Boolean} whether the specified annotation type is shown
 		 *
 		 * @see orion.editor.AnnotationTypeList#addAnnotationType
 		 * @see orion.editor.AnnotationTypeList#removeAnnotationType
 		 */
 		isAnnotationTypeVisible: function(type) {
 			return this.getAnnotationTypePriority(type) !== 0;
 		},
 		/**
 		 * Removes an annotation type from the receiver.
 		 *
 		 * @param {Object} type the annotation type to be removed
 		 *
 		 * @see orion.editor.AnnotationTypeList#addAnnotationType
 		 * @see orion.editor.AnnotationTypeList#isAnnotationTypeVisible
 		 */
 		removeAnnotationType: function(type) {
 			if (!this._annotationTypes) { return; }
 			for (var i = 0; i < this._annotationTypes.length; i++) {
 				if (this._annotationTypes[i] === type) {
 					this._annotationTypes.splice(i, 1);
 					break;
 				}
 			}
 		}
 	};

 	/**
 	 * Constructs an annotation model.
 	 *
 	 * @param {orion.editor.TextModel} textModel The text model.
 	 *
 	 * @class This object manages annotations for a <code>TextModel</code>.
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.Annotation}<br/>
 	 * {@link orion.editor.TextModel}<br/>
 	 * </p>
 	 * @name orion.editor.AnnotationModel
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	function AnnotationModel(textModel) {
 		this._annotations = [];
 		var self = this;
 		this._listener = {
 			onChanged: function(modelChangedEvent) {
 				self._onChanged(modelChangedEvent);
 			}
 		};
 		this.setTextModel(textModel);
 	}

 	AnnotationModel.prototype = /** @lends orion.editor.AnnotationModel.prototype */ {
 		/**
 		 * Adds an annotation to the annotation model.
 		 * <p>The annotation model listeners are notified of this change.</p>
 		 *
 		 * @param {orion.editor.Annotation} annotation the annotation to be added.
 		 *
 		 * @see orion.editor.AnnotationModel#removeAnnotation
 		 */
 		addAnnotation: function(annotation) {
 			if (!annotation) { return; }
 			var annotations = this._annotations;
 			var index = this._binarySearch(annotations, annotation.start);
 			annotations.splice(index, 0, annotation);
 			var e = {
 				type: "Changed", //$NON-NLS-0$
 				added: [annotation],
 				removed: [],
 				changed: []
 			};
 			this.onChanged(e);
 		},
 		/**
 		 * Returns the text model.
 		 *
 		 * @return {orion.editor.TextModel} The text model.
 		 *
 		 * @see orion.editor.AnnotationModel#setTextModel
 		 */
 		getTextModel: function() {
 			return this._model;
 		},
 		/**
 		 * @class This object represents an annotation iterator.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.AnnotationModel#getAnnotations}<br/>
 		 * </p>
 		 * @name orion.editor.AnnotationIterator
 		 *
 		 * @property {Function} hasNext Determines whether there are more annotations in the iterator.
 		 * @property {Function} next Returns the next annotation in the iterator.
 		 */
 		/**
 		 * Returns an iterator of annotations for the given range of text.
 		 *
 		 * @param {Number} start the start offset of the range.
 		 * @param {Number} end the end offset of the range.
 		 * @return {orion.editor.AnnotationIterator} an annotation iterartor.
 		 */
 		getAnnotations: function(start, end) {
 			var annotations = this._annotations, current;
 			//TODO binary search does not work for range intersection when there are overlaping ranges, need interval search tree for this
 			var i = 0;
 			var skip = function() {
 				while (i < annotations.length) {
 					var a =  annotations[i++];
 					if ((start === a.start) || (start > a.start ? start < a.end : a.start < end)) {
 						return a;
 					}
 					if (a.start >= end) {
 						break;
 					}
 				}
 				return null;
 			};
 			current = skip();
 			return {
 				next: function() {
 					var result = current;
 					if (result) { current = skip(); }
 					return result;
 				},
 				hasNext: function() {
 					return current !== null;
 				}
 			};
 		},
 		/**
 		 * Notifies the annotation model that the given annotation has been modified.
 		 * <p>The annotation model listeners are notified of this change.</p>
 		 *
 		 * @param {orion.editor.Annotation} annotation the modified annotation.
 		 *
 		 * @see orion.editor.AnnotationModel#addAnnotation
 		 */
 		modifyAnnotation: function(annotation) {
 			if (!annotation) { return; }
 			var index = this._getAnnotationIndex(annotation);
 			if (index < 0) { return; }
 			var e = {
 				type: "Changed", //$NON-NLS-0$
 				added: [],
 				removed: [],
 				changed: [annotation]
 			};
 			this.onChanged(e);
 		},
 		/**
 		 * Notifies all listeners that the annotation model has changed.
 		 *
 		 * @param {orion.editor.Annotation[]} added The list of annotation being added to the model.
 		 * @param {orion.editor.Annotation[]} changed The list of annotation modified in the model.
 		 * @param {orion.editor.Annotation[]} removed The list of annotation being removed from the model.
 		 * @param {ModelChangedEvent} textModelChangedEvent the text model changed event that trigger this change, can be null if the change was trigger by a method call (for example, {@link #addAnnotation}).
 		 */
 		onChanged: function(e) {
 			return this.dispatchEvent(e);
 		},
 		/**
 		 * Removes all annotations of the given <code>type</code>. All annotations
 		 * are removed if the type is not specified.
 		 * <p>The annotation model listeners are notified of this change.  Only one changed event is generated.</p>
 		 *
 		 * @param {Object} type the type of annotations to be removed.
 		 *
 		 * @see orion.editor.AnnotationModel#removeAnnotation
 		 */
 		removeAnnotations: function(type) {
 			var annotations = this._annotations;
 			var removed, i;
 			if (type) {
 				removed = [];
 				for (i = annotations.length - 1; i >= 0; i--) {
 					var annotation = annotations[i];
 					if (annotation.type === type) {
 						annotations.splice(i, 1);
 						removed.splice(0, 0, annotation);
 					}
 				}
 			} else {
 				removed = annotations;
 				annotations = [];
 			}
 			var e = {
 				type: "Changed", //$NON-NLS-0$
 				removed: removed,
 				added: [],
 				changed: []
 			};
 			this.onChanged(e);
 		},
 		/**
 		 * Removes an annotation from the annotation model.
 		 * <p>The annotation model listeners are notified of this change.</p>
 		 *
 		 * @param {orion.editor.Annotation} annotation the annotation to be removed.
 		 *
 		 * @see orion.editor.AnnotationModel#addAnnotation
 		 */
 		removeAnnotation: function(annotation) {
 			if (!annotation) { return; }
 			var index = this._getAnnotationIndex(annotation);
 			if (index < 0) { return; }
 			var e = {
 				type: "Changed", //$NON-NLS-0$
 				removed: this._annotations.splice(index, 1),
 				added: [],
 				changed: []
 			};
 			this.onChanged(e);
 		},
 		/**
 		 * Removes and adds the specifed annotations to the annotation model.
 		 * <p>The annotation model listeners are notified of this change.  Only one changed event is generated.</p>
 		 *
 		 * @param {orion.editor.Annotation} remove the annotations to be removed.
 		 * @param {orion.editor.Annotation} add the annotations to be added.
 		 *
 		 * @see orion.editor.AnnotationModel#addAnnotation
 		 * @see orion.editor.AnnotationModel#removeAnnotation
 		 */
 		replaceAnnotations: function(remove, add) {
 			var annotations = this._annotations, i, index, annotation, removed = [];
 			if (remove) {
 				for (i = remove.length - 1; i >= 0; i--) {
 					annotation = remove[i];
 					index = this._getAnnotationIndex(annotation);
 					if (index < 0) { continue; }
 					annotations.splice(index, 1);
 					removed.splice(0, 0, annotation);
 				}
 			}
 			if (!add) { add = []; }
 			for (i = 0; i < add.length; i++) {
 				annotation = add[i];
 				index = this._binarySearch(annotations, annotation.start);
 				annotations.splice(index, 0, annotation);
 			}
 			var e = {
 				type: "Changed", //$NON-NLS-0$
 				removed: removed,
 				added: add,
 				changed: []
 			};
 			this.onChanged(e);
 		},
 		/**
 		 * Sets the text model of the annotation model.  The annotation
 		 * model listens for changes in the text model to update and remove
 		 * annotations that are affected by the change.
 		 *
 		 * @param {orion.editor.TextModel} textModel the text model.
 		 *
 		 * @see orion.editor.AnnotationModel#getTextModel
 		 */
 		setTextModel: function(textModel) {
 			if (this._model) {
 				this._model.removeEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
 			}
 			this._model = textModel;
 			if (this._model) {
 				this._model.addEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
 			}
 		},
 		/** @ignore */
 		_binarySearch: function (array, offset) {
 			var high = array.length, low = -1, index;
 			while (high - low > 1) {
 				index = Math.floor((high + low) / 2);
 				if (offset <= array[index].start) {
 					high = index;
 				} else {
 					low = index;
 				}
 			}
 			return high;
 		},
 		/** @ignore */
 		_getAnnotationIndex: function(annotation) {
 			var annotations = this._annotations;
 			var index = this._binarySearch(annotations, annotation.start);
 			while (index < annotations.length && annotations[index].start === annotation.start) {
 				if (annotations[index] === annotation) {
 					return index;
 				}
 				index++;
 			}
 			return -1;
 		},
 		/** @ignore */
 		_onChanged: function(modelChangedEvent) {
 			var start = modelChangedEvent.start;
 			var addedCharCount = modelChangedEvent.addedCharCount;
 			var removedCharCount = modelChangedEvent.removedCharCount;
 			var annotations = this._annotations, end = start + removedCharCount;
 			//TODO binary search does not work for range intersection when there are overlaping ranges, need interval search tree for this
 			var startIndex = 0;
 			if (!(0 <= startIndex && startIndex < annotations.length)) { return; }
 			var e = {
 				type: "Changed", //$NON-NLS-0$
 				added: [],
 				removed: [],
 				changed: [],
 				textModelChangedEvent: modelChangedEvent
 			};
 			var changeCount = addedCharCount - removedCharCount, i;
 			for (i = startIndex; i < annotations.length; i++) {
 				var annotation = annotations[i];
 				if (annotation.start >= end) {
 					annotation.start += changeCount;
 					annotation.end += changeCount;
 					e.changed.push(annotation);
 				} else if (annotation.end <= start) {
 					//nothing
 				} else if (annotation.start < start && end < annotation.end) {
 					annotation.end += changeCount;
 					e.changed.push(annotation);
 				} else {
 					annotations.splice(i, 1);
 					e.removed.push(annotation);
 					i--;
 				}
 			}
 			if (e.added.length > 0 || e.removed.length > 0 || e.changed.length > 0) {
 				this.onChanged(e);
 			}
 		}
 	};
 	mEventTarget.EventTarget.addMixin(AnnotationModel.prototype);

 	/**
 	 * Constructs a new styler for annotations.
 	 *
 	 * @param {orion.editor.TextView} view The styler view.
 	 * @param {orion.editor.AnnotationModel} view The styler annotation model.
 	 *
 	 * @class This object represents a styler for annotation attached to a text view.
 	 * @name orion.editor.AnnotationStyler
 	 * @borrows orion.editor.AnnotationTypeList#addAnnotationType as #addAnnotationType
 	 * @borrows orion.editor.AnnotationTypeList#getAnnotationTypePriority as #getAnnotationTypePriority
 	 * @borrows orion.editor.AnnotationTypeList#getAnnotationsByType as #getAnnotationsByType
 	 * @borrows orion.editor.AnnotationTypeList#isAnnotationTypeVisible as #isAnnotationTypeVisible
 	 * @borrows orion.editor.AnnotationTypeList#removeAnnotationType as #removeAnnotationType
 	 */
 	function AnnotationStyler (view, annotationModel) {
 		this._view = view;
 		this._annotationModel = annotationModel;
 		var self = this;
 		this._listener = {
 			onDestroy: function(e) {
 				self._onDestroy(e);
 			},
 			onLineStyle: function(e) {
 				self._onLineStyle(e);
 			},
 			onChanged: function(e) {
 				self._onAnnotationModelChanged(e);
 			}
 		};
 		view.addEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 		view.addEventListener("postLineStyle", this._listener.onLineStyle); //$NON-NLS-0$
 		annotationModel.addEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
 	}
 	AnnotationStyler.prototype = /** @lends orion.editor.AnnotationStyler.prototype */ {
 		/**
 		 * Destroys the styler.
 		 * <p>
 		 * Removes all listeners added by this styler.
 		 * </p>
 		 */
 		destroy: function() {
 			var view = this._view;
 			if (view) {
 				view.removeEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 				view.removeEventListener("LineStyle", this._listener.onLineStyle); //$NON-NLS-0$
 				this.view = null;
 			}
 			var annotationModel = this._annotationModel;
 			if (annotationModel) {
 				annotationModel.removeEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
 				annotationModel = null;
 			}
 		},
 		_mergeStyle: function(result, style) {
 			if (style) {
 				if (!result) { result = {}; }
 				if (result.styleClass && style.styleClass && result.styleClass !== style.styleClass) {
 					result.styleClass += " " + style.styleClass; //$NON-NLS-0$
 				} else {
 					result.styleClass = style.styleClass;
 				}
 				var prop;
 				if (style.tagName) {
 					if (!result.tagName) {
 						result.tagName = style.tagName;
 					}
 				}
 				if (style.style) {
 					if (!result.style) { result.style  = {}; }
 					for (prop in style.style) {
 						if (!result.style[prop]) {
 							result.style[prop] = style.style[prop];
 						}
 					}
 				}
 				if (style.attributes) {
 					if (!result.attributes) { result.attributes  = {}; }
 					for (prop in style.attributes) {
 						if (!result.attributes[prop]) {
 							result.attributes[prop] = style.attributes[prop];
 						}
 					}
 				}
 			}
 			return result;
 		},
 		_mergeStyleRanges: function(ranges, styleRange) {
 			if (!ranges) {
 				ranges = [];
 			}
 			var mergedStyle, i;
 			for (i=0; i<ranges.length && styleRange; i++) {
 				var range = ranges[i];
 				if (styleRange.end <= range.start) { break; }
 				if (styleRange.start >= range.end) { continue; }
 				mergedStyle = this._mergeStyle({}, range.style);
 				mergedStyle = this._mergeStyle(mergedStyle, styleRange.style);
 				var args = [];
 				args.push(i, 1);
 				if (styleRange.start < range.start) {
 					args.push({start: styleRange.start, end: range.start, style: styleRange.style});
 				}
 				if (styleRange.start > range.start) {
 					args.push({start: range.start, end: styleRange.start, style: range.style});
 				}
 				args.push({start: Math.max(range.start, styleRange.start), end: Math.min(range.end, styleRange.end), style: mergedStyle});
 				if (styleRange.end < range.end) {
 					args.push({start: styleRange.end, end: range.end, style: range.style});
 				}
 				if (styleRange.end > range.end) {
 					styleRange = {start: range.end, end: styleRange.end, style: styleRange.style};
 				} else {
 					styleRange = null;
 				}
 				Array.prototype.splice.apply(ranges, args);
 			}
 			if (styleRange) {
 				mergedStyle = this._mergeStyle({}, styleRange.style);
 				ranges.splice(i, 0, {start: styleRange.start, end: styleRange.end, style: mergedStyle});
 			}
 			return ranges;
 		},
 		_onAnnotationModelChanged: function(e) {
 			if (e.textModelChangedEvent) {
 				return;
 			}
 			var view = this._view;
 			if (!view) { return; }
 			var self = this;
 			var model = view.getModel();
 			function redraw(changes) {
 				for (var i = 0; i < changes.length; i++) {
 					if (!self.isAnnotationTypeVisible(changes[i].type)) { continue; }
 					var start = changes[i].start;
 					var end = changes[i].end;
 					if (model.getBaseModel) {
 						start = model.mapOffset(start, true);
 						end = model.mapOffset(end, true);
 					}
 					if (start !== -1 && end !== -1) {
 						view.redrawRange(start, end);
 					}
 				}
 			}
 			redraw(e.added);
 			redraw(e.removed);
 			redraw(e.changed);
 		},
 		_onDestroy: function(e) {
 			this.destroy();
 		},
 		_onLineStyle: function (e) {
 			var annotationModel = this._annotationModel;
 			var viewModel = e.textView.getModel();
 			var baseModel = annotationModel.getTextModel();
 			var start = e.lineStart;
 			var end = e.lineStart + e.lineText.length;
 			if (baseModel !== viewModel) {
 				start = viewModel.mapOffset(start);
 				end = viewModel.mapOffset(end);
 			}
 			var annotations = annotationModel.getAnnotations(start, end);
 			while (annotations.hasNext()) {
 				var annotation = annotations.next();
 				if (!this.isAnnotationTypeVisible(annotation.type)) { continue; }
 				if (annotation.rangeStyle) {
 					var annotationStart = annotation.start;
 					var annotationEnd = annotation.end;
 					if (baseModel !== viewModel) {
 						annotationStart = viewModel.mapOffset(annotationStart, true);
 						annotationEnd = viewModel.mapOffset(annotationEnd, true);
 					}
 					e.ranges = this._mergeStyleRanges(e.ranges, {start: annotationStart, end: annotationEnd, style: annotation.rangeStyle});
 				}
 				if (annotation.lineStyle) {
 					e.style = this._mergeStyle({}, e.style);
 					e.style = this._mergeStyle(e.style, annotation.lineStyle);
 				}
 			}
 		}
 	};
 	AnnotationTypeList.addMixin(AnnotationStyler.prototype);

 	return {
 		FoldingAnnotation: FoldingAnnotation,
 		AnnotationType: AnnotationType,
 		AnnotationTypeList: AnnotationTypeList,
 		AnnotationModel: AnnotationModel,
 		AnnotationStyler: AnnotationStyler
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define Node */

 define("orion/editor/tooltip", [ //$NON-NLS-0$
 	'i18n!orion/editor/nls/messages', //$NON-NLS-0$
 	'orion/editor/textView', //$NON-NLS-0$
 	'orion/editor/textModel', //$NON-NLS-0$
 	'orion/editor/projectionTextModel', //$NON-NLS-0$
 	'orion/editor/util', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(messages, mTextView, mTextModel, mProjectionTextModel, textUtil, util) {

 	/** @private */
 	function Tooltip (view) {
 		this._view = view;
 		this._fadeDelay = 500;
 		this._hideDelay = 200;
 		this._showDelay = 500;
 		this._autoHideDelay = 5000;
 		this._create(view.getOptions("parent").ownerDocument); //$NON-NLS-0$
 	}
 	Tooltip.getTooltip = function(view) {
 		if (!view._tooltip) {
 			 view._tooltip = new Tooltip(view);
 		}
 		return view._tooltip;
 	};
 	Tooltip.prototype = /** @lends orion.editor.Tooltip.prototype */ {
 		_create: function(document) {
 			if (this._tooltipDiv) { return; }
 			var tooltipDiv = this._tooltipDiv = util.createElement(document, "div"); //$NON-NLS-0$
 			tooltipDiv.tabIndex = 0;
 			tooltipDiv.className = "textviewTooltip"; //$NON-NLS-0$
 			tooltipDiv.setAttribute("aria-live", "assertive"); //$NON-NLS-1$ //$NON-NLS-0$
 			tooltipDiv.setAttribute("aria-atomic", "true"); //$NON-NLS-1$ //$NON-NLS-0$
 			var tooltipContents = this._tooltipContents = util.createElement(document, "div"); //$NON-NLS-0$
 			tooltipDiv.appendChild(tooltipContents);
 			document.body.appendChild(tooltipDiv);
 			var self = this;
 			textUtil.addEventListener(tooltipDiv, "mouseover", function(event) { //$NON-NLS-0$
 				if (!self._hideDelay) { return; }
 				var window = self._getWindow();
 				if (self._delayedHideTimeout) {
 					window.clearTimeout(self._delayedHideTimeout);
 					self._delayedHideTimeout = null;
 				}

 				if (self._hideTimeout) {
 					window.clearTimeout(self._hideTimeout);
 					self._hideTimeout = null;
 				}
 				self._nextTarget = null;
 			}, false);
 			textUtil.addEventListener(tooltipDiv, "mouseout", function(event) { //$NON-NLS-0$
 				var relatedTarget = event.relatedTarget || event.toElement;
 				if (relatedTarget === tooltipDiv || self._hasFocus()) { return; }
 				if (relatedTarget) {
 					if (textUtil.contains(tooltipDiv, relatedTarget)) { return; }
 				}
 				self._hide();
 			}, false);
 			textUtil.addEventListener(tooltipDiv, "keydown", function(event) { //$NON-NLS-0$
 				if (event.keyCode === 27) {
 					self._hide();
 				}
 			}, false);
 			textUtil.addEventListener(document, "mousedown", this._mouseDownHandler = function(event) { //$NON-NLS-0$
 				if (!self.isVisible()) { return; }
 				if (textUtil.contains(tooltipDiv, event.target || event.srcElement)) { return; }
 				self._hide();
 			}, true);
 			this._view.addEventListener("Destroy", function() { //$NON-NLS-0$
 				self.destroy();
 			});
 			this._hide();
 		},
 		_getWindow: function() {
 			var document = this._tooltipDiv.ownerDocument;
 			return document.defaultView || document.parentWindow;
 		},
 		destroy: function() {
 			if (!this._tooltipDiv) { return; }
 			this._hide();
 			var parent = this._tooltipDiv.parentNode;
 			if (parent) { parent.removeChild(this._tooltipDiv); }
 			var document = this._tooltipDiv.ownerDocument;
 			textUtil.removeEventListener(document, "mousedown", this._mouseDownHandler, true); //$NON-NLS-0$
 			this._tooltipDiv = null;
 		},
 		_hasFocus: function() {
 			var tooltipDiv = this._tooltipDiv;
 			if (!tooltipDiv) { return false; }
 			var document = tooltipDiv.ownerDocument;
 			return textUtil.contains(tooltipDiv, document.activeElement);
 		},
 		hide: function(hideDelay) {
 			if (hideDelay === undefined) {
 				hideDelay = this._hideDelay;
 			}
 			var window = this._getWindow();
 			if (this._delayedHideTimeout) {
 				window.clearTimeout(this._delayedHideTimeout);
 				this._delayedHideTimeout = null;
 			}
 			var self = this;
 			if (!hideDelay) {
 				self._hide();
 				self.setTarget(self._nextTarget, 0);
 			} else {
 				self._delayedHideTimeout = window.setTimeout(function() {
 					self._delayedHideTimeout = null;
 					self._hide();
 					self.setTarget(self._nextTarget, 0);
 				}, hideDelay);
 			}
 		},
 		_hide: function() {
 			var tooltipDiv = this._tooltipDiv;
 			if (!tooltipDiv) { return; }
 			if (this._hasFocus()) {
 				this._view.focus();
 			}
 			if (this._contentsView) {
 				this._contentsView.destroy();
 				this._contentsView = null;
 			}
 			if (this._tooltipContents) {
 				this._tooltipContents.innerHTML = "";
 			}
 			tooltipDiv.style.visibility = "hidden"; //$NON-NLS-0$
 			var window = this._getWindow();
 			if (this._showTimeout) {
 				window.clearTimeout(this._showTimeout);
 				this._showTimeout = null;
 			}
 			if (this._delayedHideTimeout) {
 				window.clearTimeout(this._delayedHideTimeout);
 				this._delayedHideTimeout = null;
 			}
 			if (this._hideTimeout) {
 				window.clearTimeout(this._hideTimeout);
 				this._hideTimeout = null;
 			}
 			if (this._fadeTimeout) {
 				window.clearInterval(this._fadeTimeout);
 				this._fadeTimeout = null;
 			}
 		},
 		isVisible: function() {
 			return this._tooltipDiv && this._tooltipDiv.style.visibility === "visible"; //$NON-NLS-0$
 		},
 		setTarget: function(target, delay, hideDelay) {
 			var visible = this.isVisible();
 			if (visible) {
 				if (this._hasFocus()) { return; }
 				this._nextTarget = target;
 				this.hide(hideDelay);
 			} else {
 				this._target = target;
 				if (target) {
 					var self = this;
 					var window = self._getWindow();
 					if (self._showTimeout) {
 						window.clearTimeout(self._showTimeout);
 						self._showTimeout = null;
 					}
 					if (delay === 0) {
 						self.show(true);
 					} else {
 						self._showTimeout = window.setTimeout(function() {
 							self._showTimeout = null;
 							self.show(true);
 						}, delay ? delay : self._showDelay);
 					}
 				}
 			}
 		},
 		show: function(autoHide) {
 			if (!this._target) { return; }
 			var info = this._target.getTooltipInfo();
 			if (!info) { return; }
 			var tooltipDiv = this._tooltipDiv, tooltipContents = this._tooltipContents;
 			tooltipDiv.style.left = tooltipDiv.style.right = tooltipDiv.style.width = tooltipDiv.style.height =
 				tooltipContents.style.width = tooltipContents.style.height = "auto"; //$NON-NLS-0$
 			var contents = info.contents;
 			if (contents instanceof Array) {
 				contents = this._getAnnotationContents(contents);
 			}
 			if (typeof contents === "string") { //$NON-NLS-0$
 				tooltipContents.innerHTML = contents;
 			} else if (this._isNode(contents)) {
 				tooltipContents.appendChild(contents);
 			} else if (contents instanceof mProjectionTextModel.ProjectionTextModel) {
 				var view = this._view;
 				var options = view.getOptions();
 				options.wrapMode = false;
 				options.parent = tooltipContents;
 				var tooltipTheme = "tooltip"; //$NON-NLS-0$
 				var theme = options.themeClass;
 				if (theme) {
 					theme = theme.replace(tooltipTheme, "");
 					if (theme) { theme = " " + theme; } //$NON-NLS-0$
 					theme = tooltipTheme + theme;
 				} else {
 					theme = tooltipTheme;
 				}
 				options.themeClass = theme;
 				var contentsView = this._contentsView = new mTextView.TextView(options);
 				//TODO need to find a better way of sharing the styler for multiple views
 				var listener = {
 					onLineStyle: function(e) {
 						view.onLineStyle(e);
 					}
 				};
 				contentsView.addEventListener("LineStyle", listener.onLineStyle); //$NON-NLS-0$
 				contentsView.setModel(contents);
 				var size = contentsView.computeSize();
 				tooltipContents.style.width = size.width + "px"; //$NON-NLS-0$
 				tooltipContents.style.height = size.height + "px"; //$NON-NLS-0$
 				contentsView.resize();
 			} else {
 				return;
 			}
 			var documentElement = tooltipDiv.ownerDocument.documentElement;
 			if (info.anchor === "right") { //$NON-NLS-0$
 				var right = documentElement.clientWidth - info.x;
 				tooltipDiv.style.right = right + "px"; //$NON-NLS-0$
 				tooltipDiv.style.maxWidth = (documentElement.clientWidth - right - 10) + "px"; //$NON-NLS-0$
 			} else {
 				var left = parseInt(this._getNodeStyle(tooltipDiv, "padding-left", "0"), 10); //$NON-NLS-1$ //$NON-NLS-0$
 				left += parseInt(this._getNodeStyle(tooltipDiv, "border-left-width", "0"), 10); //$NON-NLS-1$ //$NON-NLS-0$
 				left = info.x - left;
 				tooltipDiv.style.left = left + "px"; //$NON-NLS-0$
 				tooltipDiv.style.maxWidth = (documentElement.clientWidth - left - 10) + "px"; //$NON-NLS-0$
 			}
 			var top = parseInt(this._getNodeStyle(tooltipDiv, "padding-top", "0"), 10); //$NON-NLS-1$ //$NON-NLS-0$
 			top += parseInt(this._getNodeStyle(tooltipDiv, "border-top-width", "0"), 10); //$NON-NLS-1$ //$NON-NLS-0$
 			top = info.y - top;
 			tooltipDiv.style.top = top + "px"; //$NON-NLS-0$
 			tooltipDiv.style.maxHeight = (documentElement.clientHeight - top - 10) + "px"; //$NON-NLS-0$
 			tooltipDiv.style.opacity = "1"; //$NON-NLS-0$
 			tooltipDiv.style.visibility = "visible"; //$NON-NLS-0$
 			if (autoHide) {
 				var self = this;
 				var window = this._getWindow();
 				self._hideTimeout = window.setTimeout(function() {
 					self._hideTimeout = null;
 					var opacity = parseFloat(self._getNodeStyle(tooltipDiv, "opacity", "1")); //$NON-NLS-1$ //$NON-NLS-0$
 					self._fadeTimeout = window.setInterval(function() {
 						if (tooltipDiv.style.visibility === "visible" && opacity > 0) { //$NON-NLS-0$
 							opacity -= 0.1;
 							tooltipDiv.style.opacity = opacity;
 							return;
 						}
 						self._hide();
 					}, self._fadeDelay / 10);
 				}, self._autoHideDelay);
 			}
 		},
 		_getAnnotationContents: function(annotations) {
 			var annotation;
 			var newAnnotations = [];
 			for (var j = 0; j < annotations.length; j++) {
 				annotation = annotations[j];
 				if (annotation.title !== "" && !annotation.groupAnnotation) {
 					newAnnotations.push(annotation);
 				}
 			}
 			annotations = newAnnotations;
 			if (annotations.length === 0) {
 				return null;
 			}
 			var self = this;
 			var html;
 			var document = this._tooltipDiv.ownerDocument;
 			var view = this._view;
 			var model = view.getModel();
 			var baseModel = model.getBaseModel ? model.getBaseModel() : model;
 			function getText(start, end) {
 				var textStart = baseModel.getLineStart(baseModel.getLineAtOffset(start));
 				var textEnd = baseModel.getLineEnd(baseModel.getLineAtOffset(end), true);
 				return baseModel.getText(textStart, textEnd);
 			}
 			function getAnnotationHTML(annotation) {
 				var title = annotation.title;
 				var result = util.createElement(document, "div"); //$NON-NLS-0$
 				result.className = "tooltipRow"; //$NON-NLS-0$
 				if (annotation.html) {
 					result.innerHTML = annotation.html;
 					if (result.lastChild) {
 						textUtil.addEventListener(result.lastChild, "click", function(event) { //$NON-NLS-0$
 							var start = annotation.start, end = annotation.end;
 							if (model.getBaseModel) {
 								start = model.mapOffset(start, true);
 								end = model.mapOffset(end, true);
 							}
 							view.setSelection(start, end, 1 / 3, function() { self._hide(); });
 						}, false);
 					}
 					result.appendChild(document.createTextNode("\u00A0")); //$NON-NLS-0$
 				}
 				if (!title) {
 					title = getText(annotation.start, annotation.end);
 				}
 				if (typeof title === "function") { //$NON-NLS-0$
 					title = annotation.title();
 				}
 				if (typeof title === "string") { //$NON-NLS-0$
 					var span = util.createElement(document, "span"); //$NON-NLS-0$
 //					span.className = "tooltipTitle"; //$NON-NLS-0$
 					span.appendChild(document.createTextNode(title));
 					title = span;
 				}
 				result.appendChild(title);
 				return result;
 			}
 			if (annotations.length === 1) {
 				annotation = annotations[0];
 				if (annotation.title !== undefined) {
 					html = getAnnotationHTML(annotation);
 					if (html.firstChild) {
 						var className = html.firstChild.className;
 						if (className) { className += " "; } //$NON-NLS-0$
 						className += "single"; //$NON-NLS-0$
 						html.firstChild.className = className;
 					}
 					return html;
 				} else {
 					var newModel = new mProjectionTextModel.ProjectionTextModel(baseModel);
 					var lineStart = baseModel.getLineStart(baseModel.getLineAtOffset(annotation.start));
 					var charCount = baseModel.getCharCount();
 					if (annotation.end !== charCount) {
 						newModel.addProjection({start: annotation.end, end: charCount});
 					}
 					if (lineStart > 0) {
 						newModel.addProjection({start: 0, end: lineStart});
 					}
 					return newModel;
 				}
 			} else {
 				var tooltipHTML = util.createElement(document, "div"); //$NON-NLS-0$
 				var em = util.createElement(document, "em"); //$NON-NLS-0$
 				em.appendChild(document.createTextNode(messages.multipleAnnotations));
 				tooltipHTML.appendChild(em);
 				for (var i = 0; i < annotations.length; i++) {
 					annotation = annotations[i];
 					html = getAnnotationHTML(annotation);
 					if (html) {
 						tooltipHTML.appendChild(html);
 					}
 				}
 				return tooltipHTML;
 			}
 		},
 		_getNodeStyle: function(node, prop, defaultValue) {
 			var value;
 			if (node) {
 				value = node.style[prop];
 				if (!value) {
 					if (node.currentStyle) {
 						var index = 0, p = prop;
 						while ((index = p.indexOf("-", index)) !== -1) { //$NON-NLS-0$
 							p = p.substring(0, index) + p.substring(index + 1, index + 2).toUpperCase() + p.substring(index + 2);
 						}
 						value = node.currentStyle[p];
 					} else {
 						var css = node.ownerDocument.defaultView.getComputedStyle(node, null);
 						value = css ? css.getPropertyValue(prop) : null;
 					}
 				}
 			}
 			return value || defaultValue;
 		},
 		_isNode: function (obj) {
 			return typeof Node === "object" ? obj instanceof Node : //$NON-NLS-0$
 				obj && typeof obj === "object" && typeof obj.nodeType === "number" && typeof obj.nodeName === "string"; //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		}
 	};
 	return {Tooltip: Tooltip};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define("orion/editor/rulers", ['i18n!orion/editor/nls/messages', 'orion/editor/annotations', 'orion/editor/tooltip', 'orion/util'], function(messages, mAnnotations, mTooltip, util) { //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$

 	/**
 	 * Constructs a new ruler.
 	 * <p>
 	 * The default implementation does not implement all the methods in the interface
 	 * and is useful only for objects implementing rulers.
 	 * <p/>
 	 *
 	 * @param {orion.editor.AnnotationModel} annotationModel the annotation model for the ruler.
 	 * @param {String} [rulerLocation="left"] the location for the ruler.
 	 * @param {String} [rulerOverview="page"] the overview for the ruler.
 	 * @param {orion.editor.Style} [rulerStyle] the style for the ruler.
 	 *
 	 * @class This interface represents a ruler for the text view.
 	 * <p>
 	 * A Ruler is a graphical element that is placed either on the left or on the right side of
 	 * the view. It can be used to provide the view with per line decoration such as line numbering,
 	 * bookmarks, breakpoints, folding disclosures, etc.
 	 * </p><p>
 	 * There are two types of rulers: page and document. A page ruler only shows the content for the lines that are
 	 * visible, while a document ruler always shows the whole content.
 	 * </p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.LineNumberRuler}<br/>
 	 * {@link orion.editor.AnnotationRuler}<br/>
 	 * {@link orion.editor.OverviewRuler}<br/>
 	 * {@link orion.editor.TextView}<br/>
 	 * {@link orion.editor.TextView#addRuler}
 	 * </p>
 	 * @name orion.editor.Ruler
 	 * @borrows orion.editor.AnnotationTypeList#addAnnotationType as #addAnnotationType
 	 * @borrows orion.editor.AnnotationTypeList#getAnnotationTypePriority as #getAnnotationTypePriority
 	 * @borrows orion.editor.AnnotationTypeList#getAnnotationsByType as #getAnnotationsByType
 	 * @borrows orion.editor.AnnotationTypeList#isAnnotationTypeVisible as #isAnnotationTypeVisible
 	 * @borrows orion.editor.AnnotationTypeList#removeAnnotationType as #removeAnnotationType
 	 */
 	function Ruler (annotationModel, rulerLocation, rulerOverview, rulerStyle) {
 		this._location = rulerLocation || "left"; //$NON-NLS-0$
 		this._overview = rulerOverview || "page"; //$NON-NLS-0$
 		this._rulerStyle = rulerStyle;
 		this._view = null;
 		var self = this;
 		this._listener = {
 			onTextModelChanged: function(e) {
 				self._onTextModelChanged(e);
 			},
 			onAnnotationModelChanged: function(e) {
 				self._onAnnotationModelChanged(e);
 			}
 		};
 		this.setAnnotationModel(annotationModel);
 	}
 	Ruler.prototype = /** @lends orion.editor.Ruler.prototype */ {
 		/**
 		 * Returns the annotations for a given line range merging multiple
 		 * annotations when necessary.
 		 * <p>
 		 * This method is called by the text view when the ruler is redrawn.
 		 * </p>
 		 *
 		 * @param {Number} startLine the start line index
 		 * @param {Number} endLine the end line index
 		 * @return {orion.editor.Annotation[]} the annotations for the line range. The array might be sparse.
 		 */
 		getAnnotations: function(startLine, endLine) {
 			var annotationModel = this._annotationModel;
 			if (!annotationModel) { return []; }
 			var model = this._view.getModel();
 			var start = model.getLineStart(startLine);
 			var end = model.getLineEnd(endLine - 1);
 			var baseModel = model;
 			if (model.getBaseModel) {
 				baseModel = model.getBaseModel();
 				start = model.mapOffset(start);
 				end = model.mapOffset(end);
 			}
 			var result = [];
 			var annotations = this.getAnnotationsByType(annotationModel, start, end);
 			for (var i = 0; i < annotations.length; i++) {
 				var annotation = annotations[i];
 				var annotationLineStart = baseModel.getLineAtOffset(annotation.start);
 				var annotationLineEnd = baseModel.getLineAtOffset(Math.max(annotation.start, annotation.end - 1));
 				for (var lineIndex = annotationLineStart; lineIndex<=annotationLineEnd; lineIndex++) {
 					var visualLineIndex = lineIndex;
 					if (model !== baseModel) {
 						var ls = baseModel.getLineStart(lineIndex);
 						ls = model.mapOffset(ls, true);
 						if (ls === -1) { continue; }
 						visualLineIndex = model.getLineAtOffset(ls);
 					}
 					if (!(startLine <= visualLineIndex && visualLineIndex < endLine)) { continue; }
 					var rulerAnnotation = this._mergeAnnotation(result[visualLineIndex], annotation, lineIndex - annotationLineStart, annotationLineEnd - annotationLineStart + 1);
 					if (rulerAnnotation) {
 						result[visualLineIndex] = rulerAnnotation;
 					}
 				}
 			}
 			if (!this._multiAnnotation && this._multiAnnotationOverlay) {
 				for (var k in result) {
 					if (result[k]._multiple) {
 						result[k].html = result[k].html + this._multiAnnotationOverlay.html;
 					}
 				}
 			}
 			return result;
 		},
 		/**
 		 * Returns the annotation model.
 		 *
 		 * @returns {orion.editor.AnnotationModel} the ruler annotation model.
 		 *
 		 * @see orion.editor.Ruler#setAnnotationModel
 		 */
 		getAnnotationModel: function() {
 			return this._annotationModel;
 		},
 		/**
 		 * Returns the ruler location.
 		 *
 		 * @returns {String} the ruler location, which is either "left" or "right".
 		 *
 		 * @see orion.editor.Ruler#getOverview
 		 */
 		getLocation: function() {
 			return this._location;
 		},
 		/**
 		 * Returns the ruler overview type.
 		 *
 		 * @returns {String} the overview type, which is either "page" or "document".
 		 *
 		 * @see orion.editor.Ruler#getLocation
 		 */
 		getOverview: function() {
 			return this._overview;
 		},
 		/**
 		 * Returns the style information for the ruler.
 		 *
 		 * @returns {orion.editor.Style} the style information.
 		 */
 		getRulerStyle: function() {
 			return this._rulerStyle;
 		},
 		/**
 		 * Returns the text view.
 		 *
 		 * @returns {orion.editor.TextView} the text view.
 		 *
 		 * @see orion.editor.Ruler#setView
 		 */
 		getView: function() {
 			return this._view;
 		},
 		/**
 		 * Returns the widest annotation which determines the width of the ruler.
 		 * <p>
 		 * If the ruler does not have a fixed width it should provide the widest
 		 * annotation to avoid the ruler from changing size as the view scrolls.
 		 * </p>
 		 * <p>
 		 * This method is called by the text view when the ruler is redrawn.
 		 * </p>
 		 *
 		 * @returns {orion.editor.Annotation} the widest annotation.
 		 *
 		 * @see orion.editor.Ruler#getAnnotations
 		 */
 		getWidestAnnotation: function() {
 			return null;
 		},
 		/**
 		 * Sets the annotation model for the ruler.
 		 *
 		 * @param {orion.editor.AnnotationModel} annotationModel the annotation model.
 		 *
 		 * @see orion.editor.Ruler#getAnnotationModel
 		 */
 		setAnnotationModel: function (annotationModel) {
 			if (this._annotationModel) {
 				this._annotationModel.removEventListener("Changed", this._listener.onAnnotationModelChanged); //$NON-NLS-0$
 			}
 			this._annotationModel = annotationModel;
 			if (this._annotationModel) {
 				this._annotationModel.addEventListener("Changed", this._listener.onAnnotationModelChanged); //$NON-NLS-0$
 			}
 		},
 		/**
 		 * Sets the annotation that is displayed when a given line contains multiple
 		 * annotations.  This annotation is used when there are different types of
 		 * annotations in a given line.
 		 *
 		 * @param {orion.editor.Annotation} annotation the annotation for lines with multiple annotations.
 		 *
 		 * @see orion.editor.Ruler#setMultiAnnotationOverlay
 		 */
 		setMultiAnnotation: function(annotation) {
 			this._multiAnnotation = annotation;
 		},
 		/**
 		 * Sets the annotation that overlays a line with multiple annotations.  This annotation is displayed on
 		 * top of the computed annotation for a given line when there are multiple annotations of the same type
 		 * in the line. It is also used when the multiple annotation is not set.
 		 *
 		 * @param {orion.editor.Annotation} annotation the annotation overlay for lines with multiple annotations.
 		 *
 		 * @see orion.editor.Ruler#setMultiAnnotation
 		 */
 		setMultiAnnotationOverlay: function(annotation) {
 			this._multiAnnotationOverlay = annotation;
 		},
 		/**
 		 * Sets the view for the ruler.
 		 * <p>
 		 * This method is called by the text view when the ruler
 		 * is added to the view.
 		 * </p>
 		 *
 		 * @param {orion.editor.TextView} view the text view.
 		 */
 		setView: function (view) {
 			if (this._onTextModelChanged && this._view) {
 				this._view.removeEventListener("ModelChanged", this._listener.onTextModelChanged); //$NON-NLS-0$
 			}
 			this._view = view;
 			if (this._onTextModelChanged && this._view) {
 				this._view.addEventListener("ModelChanged", this._listener.onTextModelChanged); //$NON-NLS-0$
 			}
 		},
 		/**
 		 * This event is sent when the user clicks a line annotation.
 		 *
 		 * @event
 		 * @param {Number} lineIndex the line index of the annotation under the pointer.
 		 * @param {DOMEvent} e the click event.
 		 */
 		onClick: function(lineIndex, e) {
 			if (lineIndex === undefined) { return; }
 			var view = this._view;
 			var model = view.getModel();
 			var baseModel = model;
 			var start = model.getLineStart(lineIndex), lineStart = start;
 			var end = start;
 			var annotationModel = this._annotationModel;
 			if (annotationModel) {
 				var selection = view.getSelection();
 				end = model.getLineEnd(lineIndex, true);
 				if (start <= selection.start && selection.start < end) {
 					start = selection.start;
 				}
 				if (model.getBaseModel) {
 					start = model.mapOffset(start);
 					end = model.mapOffset(end);
 					baseModel = model.getBaseModel();
 				}
 				var annotation, iter = annotationModel.getAnnotations(start, end);
 				var clickedAnnotation = null;
 				while (!annotation && iter.hasNext()) {
 					var a = iter.next();
 					if (!this.isAnnotationTypeVisible(a.type)) { continue; }
 					clickedAnnotation = a;
 					if (a.start <= start) { continue; }
 					annotation = a;
 				}
 				if (clickedAnnotation && clickedAnnotation.groupId !== undefined) {
 					if (this._currentClickGroup === clickedAnnotation.groupId) {
 						this._currentClickGroup = null;
 					} else {
 						this._currentClickGroup = clickedAnnotation.groupId;
 					}
 					this._setCurrentGroup(lineIndex);
 				}
 				if (annotation && baseModel.getLineAtOffset(annotation.start) === baseModel.getLineAtOffset(start)) {
 					start = annotation.start;
 					end = annotation.end;
 				} else {
 					end = start = lineStart;
 				}

 				if (model.getBaseModel) {
 					start = model.mapOffset(start, true);
 					end = model.mapOffset(end, true);
 				}
 			}
 			var tooltip = mTooltip.Tooltip.getTooltip(this._view);
 			if (tooltip) {
 				tooltip.setTarget(null);
 			}
 			this._view.setSelection(end, start, 1/3, function(){});
 		},
 		/**
 		 * This event is sent when the user double clicks a line annotation.
 		 *
 		 * @event
 		 * @param {Number} lineIndex the line index of the annotation under the pointer.
 		 * @param {DOMEvent} e the double click event.
 		 */
 		onDblClick: function(lineIndex, e) {
 		},
 		/**
 		 * This event is sent when the user moves the mouse over a line annotation.
 		 *
 		 * @event
 		 * @param {Number} lineIndex the line index of the annotation under the pointer.
 		 * @param {DOMEvent} e the mouse move event.
 		 */
 		onMouseMove: function(lineIndex, e) {
 			var tooltip = mTooltip.Tooltip.getTooltip(this._view);
 			if (!tooltip) { return; }
 			if (tooltip.isVisible() && this._tooltipLineIndex === lineIndex) { return; }
 			this._tooltipLineIndex = lineIndex;
 			var self = this;
 			tooltip.setTarget({
 				y: e.clientY,
 				getTooltipInfo: function() {
 					return self._getTooltipInfo(self._tooltipLineIndex, this.y);
 				}
 			});
 		},
 		/**
 		 * This event is sent when the mouse pointer enters a line annotation.
 		 *
 		 * @event
 		 * @param {Number} lineIndex the line index of the annotation under the pointer.
 		 * @param {DOMEvent} e the mouse over event.
 		 */
 		onMouseOver: function(lineIndex, e) {
 			this.onMouseMove(lineIndex, e);
 			if (!this._currentClickGroup) {
 				this._setCurrentGroup(lineIndex);
 			}
 		},
 		/**
 		 * This event is sent when the mouse pointer exits a line annotation.
 		 *
 		 * @event
 		 * @param {Number} lineIndex the line index of the annotation under the pointer.
 		 * @param {DOMEvent} e the mouse out event.
 		 */
 		onMouseOut: function(lineIndex, e) {
 			if (!this._currentClickGroup) {
 				this._setCurrentGroup(-1);
 			}
 			var tooltip = mTooltip.Tooltip.getTooltip(this._view);
 			if (!tooltip) { return; }
 			tooltip.setTarget(null);
 		},
 		/** @ignore */
 		_getTooltipInfo: function(lineIndex, y) {
 			if (lineIndex === undefined) { return; }
 			var view = this._view;
 			var model = view.getModel();
 			var annotationModel = this._annotationModel;
 			var annotations = [];
 			if (annotationModel) {
 				var start = model.getLineStart(lineIndex);
 				var end = model.getLineEnd(lineIndex);
 				if (model.getBaseModel) {
 					start = model.mapOffset(start);
 					end = model.mapOffset(end);
 				}
 				annotations = this.getAnnotationsByType(annotationModel, start, end);
 			}
 			var contents = this._getTooltipContents(lineIndex, annotations);
 			if (!contents) { return null; }
 			var info = {
 				contents: contents,
 				anchor: this.getLocation()
 			};
 			var rect = view.getClientArea();
 			if (this.getOverview() === "document") { //$NON-NLS-0$
 				rect.y = view.convert({y: y}, "view", "document").y; //$NON-NLS-1$ //$NON-NLS-0$
 			} else {
 				rect.y = view.getLocationAtOffset(model.getLineStart(lineIndex)).y;
 			}
 			view.convert(rect, "document", "page"); //$NON-NLS-1$ //$NON-NLS-0$
 			info.x = rect.x;
 			info.y = rect.y;
 			if (info.anchor === "right") { //$NON-NLS-0$
 				info.x += rect.width;
 			}
 			return info;
 		},
 		/** @ignore */
 		_getTooltipContents: function(lineIndex, annotations) {
 			return annotations;
 		},
 		/** @ignore */
 		_onAnnotationModelChanged: function(e) {
 			var view = this._view;
 			if (!view) { return; }
 			var model = view.getModel(), self = this;
 			var lineCount = model.getLineCount();
 			if (e.textModelChangedEvent) {
 				var start = e.textModelChangedEvent.start;
 				if (model.getBaseModel) { start = model.mapOffset(start, true); }
 				var startLine = model.getLineAtOffset(start);
 				view.redrawLines(startLine, lineCount, self);
 				return;
 			}
 			function redraw(changes) {
 				for (var i = 0; i < changes.length; i++) {
 					if (!self.isAnnotationTypeVisible(changes[i].type)) { continue; }
 					var start = changes[i].start;
 					var end = changes[i].end;
 					if (model.getBaseModel) {
 						start = model.mapOffset(start, true);
 						end = model.mapOffset(end, true);
 					}
 					if (start !== -1 && end !== -1) {
 						view.redrawLines(model.getLineAtOffset(start), model.getLineAtOffset(Math.max(start, end - 1)) + 1, self);
 					}
 				}
 			}
 			redraw(e.added);
 			redraw(e.removed);
 			redraw(e.changed);
 		},
 		/** @ignore */
 		_mergeAnnotation: function(result, annotation, annotationLineIndex, annotationLineCount) {
 			if (!result) { result = {}; }
 			if (annotationLineIndex === 0) {
 				if (result.html && annotation.html) {
 					if (annotation.html !== result.html) {
 						if (!result._multiple && this._multiAnnotation) {
 							result.html = this._multiAnnotation.html;
 						}
 					}
 					result._multiple = true;
 				} else {
 					result.html = annotation.html;
 				}
 			}
 			result.style = this._mergeStyle(result.style, annotation.style);
 			return result;
 		},
 		/** @ignore */
 		_mergeStyle: function(result, style) {
 			if (style) {
 				if (!result) { result = {}; }
 				if (result.styleClass && style.styleClass && result.styleClass !== style.styleClass) {
 					result.styleClass += " " + style.styleClass; //$NON-NLS-0$
 				} else {
 					result.styleClass = style.styleClass;
 				}
 				var prop;
 				if (style.style) {
 					if (!result.style) { result.style  = {}; }
 					for (prop in style.style) {
 						if (result.style[prop] === undefined) {
 							result.style[prop] = style.style[prop];
 						}
 					}
 				}
 				if (style.attributes) {
 					if (!result.attributes) { result.attributes  = {}; }
 					for (prop in style.attributes) {
 						if (result.attributes[prop] === undefined) {
 							result.attributes[prop] = style.attributes[prop];
 						}
 					}
 				}
 			}
 			return result;
 		},
 		_setCurrentGroup: function(lineIndex) {
 			var annotationModel = this._annotationModel;
 			var groupAnnotation = null;
 			var model = annotationModel.getTextModel();
 			var annotation;
 			var annotations;
 			var currentGroupAnnotation = this._currentGroupAnnotation;
 			if (lineIndex !== -1) {
 				var start = model.getLineStart(lineIndex);
 				var end = model.getLineEnd(lineIndex);
 				if (model.getBaseModel) {
 					start = model.mapOffset(start);
 					end = model.mapOffset(end);
 				}
 				annotations = annotationModel.getAnnotations(start, end);
 				while(annotations.hasNext()){
 					annotation = annotations.next();
 					if (!this.isAnnotationTypeVisible(annotation.type)) { continue; }
 					if (annotation.start <= start && annotation.end >= end){
 						if (annotation.groupId !== undefined) {
 							groupAnnotation = annotation;
 							break;
 						}
 					}
 				}
 				if (currentGroupAnnotation && groupAnnotation) {
 					if (currentGroupAnnotation.groupId === groupAnnotation.groupId) {
 						return;
 					}
 				}
 			}
 			this._currentGroupAnnotation = null;
 			if (currentGroupAnnotation) {
 				annotationModel.removeAnnotations(currentGroupAnnotation.groupType);
 			}
 			if (!groupAnnotation) { return; }

 			if (lineIndex === -1) { return; }
 			this._currentGroupAnnotation = groupAnnotation;
 			annotations = annotationModel.getAnnotations(0, model.getCharCount());
 			var add = [];
 			while (annotations.hasNext()) {
 				annotation = annotations.next();
 				delete annotation.groupAnnotation;
 				if (annotation.groupId === groupAnnotation.groupId) {
 					annotation = annotation.createGroupAnnotation();
 					add.push(annotation);
 				}
 			}
 			annotationModel.replaceAnnotations(null, add);
 		}
 	};
 	mAnnotations.AnnotationTypeList.addMixin(Ruler.prototype);

 	/**
 	 * Constructs a new line numbering ruler.
 	 *
 	 * @param {orion.editor.AnnotationModel} annotationModel the annotation model for the ruler.
 	 * @param {String} [rulerLocation="left"] the location for the ruler.
 	 * @param {orion.editor.Style} [rulerStyle=undefined] the style for the ruler.
 	 * @param {orion.editor.Style} [oddStyle={style: {backgroundColor: "white"}] the style for lines with odd line index.
 	 * @param {orion.editor.Style} [evenStyle={backgroundColor: "white"}] the style for lines with even line index.
 	 *
 	 * @augments orion.editor.Ruler
 	 * @class This objects implements a line numbering ruler.
 	 *
 	 * <p><b>See:</b><br/>
 	 * {@link orion.editor.Ruler}
 	 * </p>
 	 * @name orion.editor.LineNumberRuler
 	 */
 	function LineNumberRuler (annotationModel, rulerLocation, rulerStyle, oddStyle, evenStyle) {
 		Ruler.call(this, annotationModel, rulerLocation, "page", rulerStyle); //$NON-NLS-0$
 		this._oddStyle = oddStyle || {style: {backgroundColor: "white"}}; //$NON-NLS-0$
 		this._evenStyle = evenStyle || {style: {backgroundColor: "white"}}; //$NON-NLS-0$
 		this._numOfDigits = 0;
 		this._firstLine = 1;
 	}
 	LineNumberRuler.prototype = new Ruler();
 	/** @ignore */
 	LineNumberRuler.prototype.getAnnotations = function(startLine, endLine) {
 		var result = Ruler.prototype.getAnnotations.call(this, startLine, endLine);
 		var model = this._view.getModel();
 		for (var lineIndex = startLine; lineIndex < endLine; lineIndex++) {
 			var style = lineIndex & 1 ? this._oddStyle : this._evenStyle;
 			var mapLine = lineIndex;
 			if (model.getBaseModel) {
 				var lineStart = model.getLineStart(mapLine);
 				mapLine = model.getBaseModel().getLineAtOffset(model.mapOffset(lineStart));
 			}
 			if (!result[lineIndex]) { result[lineIndex] = {}; }
 			result[lineIndex].html = (this._firstLine + mapLine) + "";
 			if (!result[lineIndex].style) { result[lineIndex].style = style; }
 		}
 		return result;
 	};
 	/** @ignore */
 	LineNumberRuler.prototype.getWidestAnnotation = function() {
 		var lineCount = this._view.getModel().getLineCount();
 		return this.getAnnotations(lineCount - 1, lineCount)[lineCount - 1];
 	};
 	/**
 	 * Sets the line index displayed for the first line. The default value is
 	 * <code>1</code>.
 	 *
 	 * @param {Number} [lineIndex=1] the first line index displayed
 	 */
 	LineNumberRuler.prototype.setFirstLine = function(lineIndex) {
 		this._firstLine = lineIndex !== undefined ? lineIndex : 1;
 	};
 	/** @ignore */
 	LineNumberRuler.prototype._onTextModelChanged = function(e) {
 		var start = e.start;
 		var model = this._view.getModel();
 		var lineCount = model.getBaseModel ? model.getBaseModel().getLineCount() : model.getLineCount();
 		var numOfDigits = ((this._firstLine + lineCount - 1)+"").length;
 		if (this._numOfDigits !== numOfDigits) {
 			this._numOfDigits = numOfDigits;
 			var startLine = model.getLineAtOffset(start);
 			this._view.redrawLines(startLine,  model.getLineCount(), this);
 		}
 	};

 	/**
 	 * @class This is class represents an annotation for the AnnotationRuler.
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.AnnotationRuler}
 	 * </p>
 	 *
 	 * @name orion.editor.Annotation
 	 *
 	 * @property {String} [html=""] The html content for the annotation, typically contains an image.
 	 * @property {orion.editor.Style} [style] the style for the annotation.
 	 * @property {orion.editor.Style} [overviewStyle] the style for the annotation in the overview ruler.
 	 */
 	/**
 	 * Constructs a new annotation ruler.
 	 *
 	 * @param {orion.editor.AnnotationModel} annotationModel the annotation model for the ruler.
 	 * @param {String} [rulerLocation="left"] the location for the ruler.
 	 * @param {orion.editor.Style} [rulerStyle=undefined] the style for the ruler.
 	 * @param {orion.editor.Annotation} [defaultAnnotation] the default annotation.
 	 *
 	 * @augments orion.editor.Ruler
 	 * @class This objects implements an annotation ruler.
 	 *
 	 * <p><b>See:</b><br/>
 	 * {@link orion.editor.Ruler}<br/>
 	 * {@link orion.editor.Annotation}
 	 * </p>
 	 * @name orion.editor.AnnotationRuler
 	 */
 	function AnnotationRuler (annotationModel, rulerLocation, rulerStyle) {
 		Ruler.call(this, annotationModel, rulerLocation, "page", rulerStyle); //$NON-NLS-0$
 	}
 	AnnotationRuler.prototype = new Ruler();

 	/**
 	 * Constructs a new overview ruler.
 	 * <p>
 	 * The overview ruler is used in conjunction with a AnnotationRuler, for each annotation in the
 	 * AnnotationRuler this ruler displays a mark in the overview. Clicking on the mark causes the
 	 * view to scroll to the annotated line.
 	 * </p>
 	 *
 	 * @param {orion.editor.AnnotationModel} annotationModel the annotation model for the ruler.
 	 * @param {String} [rulerLocation="left"] the location for the ruler.
 	 * @param {orion.editor.Style} [rulerStyle=undefined] the style for the ruler.
 	 *
 	 * @augments orion.editor.Ruler
 	 * @class This objects implements an overview ruler.
 	 *
 	 * <p><b>See:</b><br/>
 	 * {@link orion.editor.AnnotationRuler} <br/>
 	 * {@link orion.editor.Ruler}
 	 * </p>
 	 * @name orion.editor.OverviewRuler
 	 */
 	function OverviewRuler (annotationModel, rulerLocation, rulerStyle) {
 		Ruler.call(this, annotationModel, rulerLocation, "document", rulerStyle); //$NON-NLS-0$
 	}
 	OverviewRuler.prototype = new Ruler();

 	/** @ignore */
 	OverviewRuler.prototype.getRulerStyle = function() {
 		var result = {style: {lineHeight: "1px", fontSize: "1px"}}; //$NON-NLS-1$ //$NON-NLS-0$
 		result = this._mergeStyle(result, this._rulerStyle);
 		return result;
 	};
 	/** @ignore */
 	OverviewRuler.prototype._getTooltipContents = function(lineIndex, annotations) {
 		if (annotations.length === 0) {
 			var model = this._view.getModel();
 			var mapLine = lineIndex;
 			if (model.getBaseModel) {
 				var lineStart = model.getLineStart(mapLine);
 				mapLine = model.getBaseModel().getLineAtOffset(model.mapOffset(lineStart));
 			}
 			return util.formatMessage(messages.line, mapLine + 1);
 		}
 		return Ruler.prototype._getTooltipContents.call(this, lineIndex, annotations);
 	};
 	/** @ignore */
 	OverviewRuler.prototype._mergeAnnotation = function(previousAnnotation, annotation, annotationLineIndex, annotationLineCount) {
 		if (annotationLineIndex !== 0) { return undefined; }
 		var result = previousAnnotation;
 		if (!result) {
 			//TODO annotationLineCount does not work when there are folded lines
 			var height = 3 * annotationLineCount;
 			result = {html: "&nbsp;", style: { style: {height: height + "px"}}}; //$NON-NLS-1$ //$NON-NLS-0$
 			result.style = this._mergeStyle(result.style, annotation.overviewStyle);
 		}
 		return result;
 	};

 	/**
 	 * Constructs a new folding ruler.
 	 *
 	 * @param {orion.editor.AnnotationModel} annotationModel the annotation model for the ruler.
 	 * @param {String} [rulerLocation="left"] the location for the ruler.
 	 * @param {orion.editor.Style} [rulerStyle=undefined] the style for the ruler.
 	 *
 	 * @augments orion.editor.Ruler
 	 * @class This objects implements an overview ruler.
 	 *
 	 * <p><b>See:</b><br/>
 	 * {@link orion.editor.AnnotationRuler} <br/>
 	 * {@link orion.editor.Ruler}
 	 * </p>
 	 * @name orion.editor.OverviewRuler
 	 */
 	function FoldingRuler (annotationModel, rulerLocation, rulerStyle) {
 		AnnotationRuler.call(this, annotationModel, rulerLocation, rulerStyle);
 	}
 	FoldingRuler.prototype = new AnnotationRuler();

 	/** @ignore */
 	FoldingRuler.prototype.onClick =  function(lineIndex, e) {
 		if (lineIndex === undefined) { return; }
 		var annotationModel = this._annotationModel;
 		if (!annotationModel) { return; }
 		var view = this._view;
 		var model = view.getModel();
 		var start = model.getLineStart(lineIndex);
 		var end = model.getLineEnd(lineIndex, true);
 		if (model.getBaseModel) {
 			start = model.mapOffset(start);
 			end = model.mapOffset(end);
 			model = model.getBaseModel();
 		}
 		var annotation, iter = annotationModel.getAnnotations(start, end);
 		while (!annotation && iter.hasNext()) {
 			var a = iter.next();
 			if (!this.isAnnotationTypeVisible(a.type)) { continue; }
 			annotation = a;
 		}
 		if (annotation && model.getLineAtOffset(annotation.start) === model.getLineAtOffset(start)) {
 			var tooltip = mTooltip.Tooltip.getTooltip(this._view);
 			if (tooltip) {
 				tooltip.setTarget(null);
 			}
 			if (annotation.expanded) {
 				annotation.collapse();
 			} else {
 				annotation.expand();
 			}
 			this._annotationModel.modifyAnnotation(annotation);
 		}
 	};
 	/** @ignore */
 	FoldingRuler.prototype._getTooltipContents = function(lineIndex, annotations) {
 		if (annotations.length === 1) {
 			if (annotations[0].expanded) {
 				return null;
 			}
 		}
 		return AnnotationRuler.prototype._getTooltipContents.call(this, lineIndex, annotations);
 	};
 	/** @ignore */
 	FoldingRuler.prototype._onAnnotationModelChanged = function(e) {
 		if (e.textModelChangedEvent) {
 			AnnotationRuler.prototype._onAnnotationModelChanged.call(this, e);
 			return;
 		}
 		var view = this._view;
 		if (!view) { return; }
 		var model = view.getModel(), self = this, i;
 		var lineCount = model.getLineCount(), lineIndex = lineCount;
 		function redraw(changes) {
 			for (i = 0; i < changes.length; i++) {
 				if (!self.isAnnotationTypeVisible(changes[i].type)) { continue; }
 				var start = changes[i].start;
 				if (model.getBaseModel) {
 					start = model.mapOffset(start, true);
 				}
 				if (start !== -1) {
 					lineIndex = Math.min(lineIndex, model.getLineAtOffset(start));
 				}
 			}
 		}
 		redraw(e.added);
 		redraw(e.removed);
 		redraw(e.changed);
 		var rulers = view.getRulers();
 		for (i = 0; i < rulers.length; i++) {
 			view.redrawLines(lineIndex, lineCount, rulers[i]);
 		}
 	};

 	return {
 		Ruler: Ruler,
 		AnnotationRuler: AnnotationRuler,
 		LineNumberRuler: LineNumberRuler,
 		OverviewRuler: OverviewRuler,
 		FoldingRuler: FoldingRuler
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define */

 define("orion/editor/undoStack", [], function() { //$NON-NLS-0$

 	/**
 	 * Constructs a new Change object.
 	 *
 	 * @class
 	 * @name orion.editor.Change
 	 * @private
 	 */
 	function Change(offset, text, previousText, type) {
 		this.offset = offset;
 		this.text = text;
 		this.previousText = previousText;
 		this.type = type;
 	}
 	Change.prototype = {
 		/** @ignore */
 		getRedoChanges: function() {
 			return [{start: this.offset, end: this.offset + this.previousText.length, text: this.text}];
 		},
 		/** @ignore */
 		getUndoChanges: function() {
 			return [{start: this.offset, end: this.offset + this.text.length, text: this.previousText}];
 		},
 		/** @ignore */
 		undo: function (view, select) {
 			this._doUndoRedo(this.offset, this.previousText, this.text, view, select);
 			return true;
 		},
 		/** @ignore */
 		redo: function (view, select) {
 			this._doUndoRedo(this.offset, this.text, this.previousText, view, select);
 			return true;
 		},
 		merge: function(start, text, previousText, type, end) {
 			if (type === this.type) {
 				if (type === 1 && start === this.offset + this.text.length) {
 					this.text += text;
 					return true;
 				} else if (type === -1 && end === this.offset) {
 					this.offset = start;
 					this.previousText = previousText + this.previousText;
 					return true;
 				} else if (type === -1 && start === this.offset) {
 					this.previousText = this.previousText + previousText;
 					return true;
 				}
 			}
 			return false;
 		},
 		_doUndoRedo: function(offset, text, previousText, view, select) {
 			var model = view.getModel();
 			/*
 			* TODO UndoStack should be changing the text in the base model.
 			* This is code needs to change when modifications in the base
 			* model are supported properly by the projection model.
 			*/
 			if (model.mapOffset && view.annotationModel) {
 				var mapOffset = model.mapOffset(offset, true);
 				if (mapOffset < 0) {
 					var annotationModel = view.annotationModel;
 					var iter = annotationModel.getAnnotations(offset, offset + 1);
 					while (iter.hasNext()) {
 						var annotation = iter.next();
 						if (annotation.type === "orion.annotation.folding") { //$NON-NLS-0$
 							annotation.expand();
 							mapOffset = model.mapOffset(offset, true);
 							break;
 						}
 					}
 				}
 				if (mapOffset < 0) { return; }
 				offset = mapOffset;
 			}
 			model.setText(text, offset, offset + previousText.length);
 			if (select) {
 				view.setSelection(offset, offset + text.length);
 			}
 		}
 	};

 	/**
 	 * Constructs a new CompoundChange object.
 	 *
 	 * @param owner the owner of the compound change
 	 *
 	 * @class
 	 * @name orion.editor.CompoundChange
 	 * @private
 	 */
 	function CompoundChange (owner) {
 		this.owner = owner;
 		this.changes = [];
 	}
 	CompoundChange.prototype = {
 		/** @ignore */
 		getRedoChanges: function() {
 			var changes = [];
 			for (var i=0; i<this.changes.length; i++) {
 				changes = changes.concat(this.changes[i].getRedoChanges());
 			}
 			return changes;
 		},
 		/** @ignore */
 		getUndoChanges: function() {
 			var changes = [];
 			for (var i=this.changes.length - 1; i >= 0; i--) {
 				changes = changes.concat(this.changes[i].getUndoChanges());
 			}
 			return changes;
 		},
 		/** @ignore */
 		add: function (change) {
 			this.changes.push(change);
 		},
 		/** @ignore */
 		end: function (view) {
 			this.endSelection = view.getSelection();
 			this.endCaret = view.getCaretOffset();
 			var owner = this.owner;
 			if (owner && owner.end) {
 				owner.end();
 			}
 		},
 		/** @ignore */
 		undo: function (view, select) {
 			if (this.changes.length > 1) {
 				view.setRedraw(false);
 			}
 			for (var i=this.changes.length - 1; i >= 0; i--) {
 				this.changes[i].undo(view, false);
 			}
 			if (this.changes.length > 1) {
 				view.setRedraw(true);
 			}
 			if (select) {
 				var start = this.startSelection.start;
 				var end = this.startSelection.end;
 				view.setSelection(this.startCaret ? start : end, this.startCaret ? end : start);
 			}
 			var owner = this.owner;
 			if (owner && owner.undo) {
 				owner.undo();
 			}
 			return this.changes.length > 0;
 		},
 		/** @ignore */
 		redo: function (view, select) {
 			if (this.changes.length > 1) {
 				view.setRedraw(false);
 			}
 			for (var i = 0; i < this.changes.length; i++) {
 				this.changes[i].redo(view, false);
 			}
 			if (this.changes.length > 1) {
 				view.setRedraw(true);
 			}
 			if (select) {
 				var start = this.endSelection.start;
 				var end = this.endSelection.end;
 				view.setSelection(this.endCaret ? start : end, this.endCaret ? end : start);
 			}
 			var owner = this.owner;
 			if (owner && owner.redo) {
 				owner.redo();
 			}
 			return this.changes.length > 0;
 		},
 		merge: function(start, text, previousText, type, end) {
 			var length = this.changes.length;
 			if (length > 0) {
 				return this.changes[length - 1].merge(start, text, previousText, type, end);
 			}
 			return false;
 		},
 		/** @ignore */
 		start: function (view) {
 			this.startSelection = view.getSelection();
 			this.startCaret = view.getCaretOffset();
 			var owner = this.owner;
 			if (owner && owner.start) {
 				owner.start();
 			}
 		}
 	};

 	/**
 	 * Constructs a new UndoStack on a text view.
 	 *
 	 * @param {orion.editor.TextView} view the text view for the undo stack.
 	 * @param {Number} [size=100] the size for the undo stack.
 	 *
 	 * @name orion.editor.UndoStack
 	 * @class The UndoStack is used to record the history of a text model associated to an view. Every
 	 * change to the model is added to stack, allowing the application to undo and redo these changes.
 	 *
 	 * <p>
 	 * <b>See:</b><br/>
 	 * {@link orion.editor.TextView}<br/>
 	 * </p>
 	 */
 	function UndoStack (view, size) {
 		this.view = view;
 		this.size = size !== undefined ? size : 100;
 		this.reset();
 		var model = view.getModel();
 		if (model.getBaseModel) {
 			model = model.getBaseModel();
 		}
 		this.model = model;
 		var self = this;
 		this._listener = {
 			onChanging: function(e) {
 				self._onChanging(e);
 			},
 			onDestroy: function(e) {
 				self._onDestroy(e);
 			}
 		};
 		model.addEventListener("Changing", this._listener.onChanging); //$NON-NLS-0$
 		view.addEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 	}
 	UndoStack.prototype = /** @lends orion.editor.UndoStack.prototype */ {
 		/**
 		 * Adds a change to the stack.
 		 *
 		 * @param change the change to add.
 		 */
 		add: function (change) {
 			if (this.compoundChange) {
 				this.compoundChange.add(change);
 			} else {
 				var length = this.stack.length;
 				this.stack.splice(this.index, length-this.index, change);
 				this.index++;
 				if (this.stack.length > this.size) {
 					this.stack.shift();
 					this.index--;
 				}
 			}
 		},
 		/**
 		 * Marks the current state of the stack as clean.
 		 *
 		 * <p>
 		 * This function is typically called when the content of view associated with the stack is saved.
 		 * </p>
 		 *
 		 * @see orion.editor.UndoStack#isClean
 		 */
 		markClean: function() {
 			this._commitUndo();
 			this.cleanChange = this.stack[this.index - 1];
 			if (this.cleanChange) {
 				this.cleanChange.type = 2;
 			}
 		},
 		/**
 		 * Returns true if current state of stack is the same
 		 * as the state when markClean() was called.
 		 *
 		 * <p>
 		 * For example, the application calls markClean(), then calls undo() four times and redo() four times.
 		 * At this point isClean() returns true.
 		 * </p>
 		 * <p>
 		 * This function is typically called to determine if the content of the view associated with the stack
 		 * has changed since the last time it was saved.
 		 * </p>
 		 *
 		 * @return {Boolean} returns if the state is the same as the state when markClean() was called.
 		 *
 		 * @see orion.editor.UndoStack#markClean
 		 */
 		isClean: function() {
 			return this.cleanChange === this.stack[this.index - 1];
 		},
 		/**
 		 * Returns true if there is at least one change to undo.
 		 *
 		 * @return {Boolean} returns true if there is at least one change to undo.
 		 *
 		 * @see orion.editor.UndoStack#canRedo
 		 * @see orion.editor.UndoStack#undo
 		 */
 		canUndo: function() {
 			return this.index > 0;
 		},
 		/**
 		 * Returns true if there is at least one change to redo.
 		 *
 		 * @return {Boolean} returns true if there is at least one change to redo.
 		 *
 		 * @see orion.editor.UndoStack#canUndo
 		 * @see orion.editor.UndoStack#redo
 		 */
 		canRedo: function() {
 			return (this.stack.length - this.index) > 0;
 		},
 		/**
 		 * Finishes a compound change.
 		 *
 		 * @see orion.editor.UndoStack#startCompoundChange
 		 */
 		endCompoundChange: function() {
 			if (this.compoundChange) {
 				this.compoundChange.end(this.view);
 			}
 			this.compoundChange = undefined;
 		},
 		/**
 		 * Returns the sizes of the stack.
 		 *
 		 * @return {object} a object where object.undo is the number of changes that can be un-done,
 		 *  and object.redo is the number of changes that can be re-done.
 		 *
 		 * @see orion.editor.UndoStack#canUndo
 		 * @see orion.editor.UndoStack#canRedo
 		 */
 		getSize: function() {
 			return {
 				undo: this.index,
 				redo: this.stack.length - this.index
 			};
 		},
 		/**
 		 * @class This object represents a text change.
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.UndoStack}<br/>
 		 * {@link orion.editor.UndoStack#getUndoChanges}<br/>
 		 * {@link orion.editor.UndoStack#getRedoChanges}<br/>
 		 * </p>
 		 * @name orion.editor.TextChange
 		 *
 		 * @property {Number} start The start offset in the model of the range to be replaced.
 		 * @property {Number} end The end offset in the model of the range to be replaced
 		 * @property {String} text the text to be inserted
 		 */
 		/**
 		 * Returns the redo changes.
 		 *
 		 * @return {orion.editor.TextChange[]} an array of TextChanges that are returned in the order
 		 * that they occurred (most recent change last).
 		 *
 		 * @see orion.editor.UndoStack#getUndoChanges
 		 */
 		getRedoChanges: function() {
 			this._commitUndo();
 			var changes = [];
 			for (var i=this.index; i<this.stack.length; i++) {
 				changes = changes.concat(this.stack[i].getRedoChanges());
 			}
 			return changes;
 		},
 		/**
 		 * Returns the undo changes.
 		 *
 		 * @return {orion.editor.TextChange[]} an array of TextChanges that are returned in the reverse order
 		 * that they occurred (most recent change first).
 		 *
 		 * @see orion.editor.UndoStack#getRedoChanges
 		 */
 		getUndoChanges: function() {
 			this._commitUndo();
 			var changes = [];
 			for (var i=this.index; i >= 0; i--) {
 				changes = changes.concat(this.stack[i].getUndoChanges());
 			}
 			return changes;
 		},
 		/**
 		 * Undo the last change in the stack.
 		 *
 		 * @return {Boolean} returns true if a change was un-done.
 		 *
 		 * @see orion.editor.UndoStack#redo
 		 * @see orion.editor.UndoStack#canUndo
 		 */
 		undo: function() {
 			this._commitUndo();
 			var change, result = false;
 			this._ignoreUndo = true;
 			do {
 				if (this.index <= 0) {
 					break;
 				}
 				change = this.stack[--this.index];
 			} while (!(result = change.undo(this.view, true)));
 			this._ignoreUndo = false;
 			return result;
 		},
 		/**
 		 * Redo the last change in the stack.
 		 *
 		 * @return {Boolean} returns true if a change was re-done.
 		 *
 		 * @see orion.editor.UndoStack#undo
 		 * @see orion.editor.UndoStack#canRedo
 		 */
 		redo: function() {
 			this._commitUndo();
 			var change, result = false;
 			this._ignoreUndo = true;
 			do {
 				if (this.index >= this.stack.length) {
 					break;
 				}
 				change = this.stack[this.index++];
 			} while (!(result = change.redo(this.view, true)));
 			this._ignoreUndo = false;
 			return true;
 		},
 		/**
 		 * Reset the stack to its original state. All changes in the stack are thrown away.
 		 */
 		reset: function() {
 			this.index = 0;
 			this.cleanChange = undefined;
 			this.stack = [];
 			this._ignoreUndo = false;
 			this._compoundChange = undefined;
 		},
 		/**
 		 * Starts a compound change.
 		 * <p>
 		 * All changes added to stack from the time startCompoundChange() is called
 		 * to the time that endCompoundChange() is called are compound on one change that can be un-done or re-done
 		 * with one single call to undo() or redo().
 		 * </p>
 		 *
 		 * @param owner the owner of the compound change which is called for start, end, undo and redo.
 		 *
 		 * @return the compound change
 		 *
 		 * @see orion.editor.UndoStack#endCompoundChange
 		 */
 		startCompoundChange: function(owner) {
 			this._commitUndo();
 			var change = new CompoundChange(owner);
 			this.add(change);
 			this.compoundChange = change;
 			this.compoundChange.start(this.view);
 			return this.compoundChange;
 		},
 		_commitUndo: function () {
 			this.endCompoundChange();
 		},
 		_onDestroy: function(evt) {
 			this.model.removeEventListener("Changing", this._listener.onChanging); //$NON-NLS-0$
 			this.view.removeEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 		},
 		_onChanging: function(e) {
 			if (this._ignoreUndo) {
 				return;
 			}
 			var text = e.text;
 			var start = e.start;
 			var addedCharCount = e.addedCharCount;
 			var removedCharCount = e.removedCharCount;
 			var end = start + removedCharCount;
 			var type = 0;
 			if (addedCharCount === 0 && removedCharCount === 1) {
 				type = -1;
 			} else if (addedCharCount === 1 && removedCharCount === 0) {
 				type = 1;
 			}
 			var length = this.stack.length;
 			var previousText = this.model.getText(start, end);
 			if (length > 0 && this.index === length) {
 				var change = this.stack[length - 1];
 				if (change.merge(start, text, previousText, type, end)) {
 					return;
 				}
 			}
 			this.add(new Change(start, text, previousText, type));
 		}
 	};

 	return {
 		UndoStack: UndoStack
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *		Felipe Heidrich (IBM Corporation) - initial API and implementation
  *		Silenio Quarti (IBM Corporation) - initial API and implementation
  ******************************************************************************/

 /*global define */

 define("orion/editor/textDND", [], function() { //$NON-NLS-0$

 	function TextDND(view, undoStack) {
 		this._view = view;
 		this._undoStack = undoStack;
 		this._dragSelection = null;
 		this._dropOffset = -1;
 		this._dropText = null;
 		var self = this;
 		this._listener = {
 			onDragStart: function (evt) {
 				self._onDragStart(evt);
 			},
 			onDragEnd: function (evt) {
 				self._onDragEnd(evt);
 			},
 			onDragEnter: function (evt) {
 				self._onDragEnter(evt);
 			},
 			onDragOver: function (evt) {
 				self._onDragOver(evt);
 			},
 			onDrop: function (evt) {
 				self._onDrop(evt);
 			},
 			onDestroy: function (evt) {
 				self._onDestroy(evt);
 			}
 		};
 		view.addEventListener("DragStart", this._listener.onDragStart); //$NON-NLS-0$
 		view.addEventListener("DragEnd", this._listener.onDragEnd); //$NON-NLS-0$
 		view.addEventListener("DragEnter", this._listener.onDragEnter); //$NON-NLS-0$
 		view.addEventListener("DragOver", this._listener.onDragOver); //$NON-NLS-0$
 		view.addEventListener("Drop", this._listener.onDrop); //$NON-NLS-0$
 		view.addEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 	}
 	TextDND.prototype = {
 		destroy: function() {
 			var view = this._view;
 			if (!view) { return; }
 			view.removeEventListener("DragStart", this._listener.onDragStart); //$NON-NLS-0$
 			view.removeEventListener("DragEnd", this._listener.onDragEnd); //$NON-NLS-0$
 			view.removeEventListener("DragEnter", this._listener.onDragEnter); //$NON-NLS-0$
 			view.removeEventListener("DragOver", this._listener.onDragOver); //$NON-NLS-0$
 			view.removeEventListener("Drop", this._listener.onDrop); //$NON-NLS-0$
 			view.removeEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 			this._view = null;
 		},
 		_onDestroy: function(e) {
 			this.destroy();
 		},
 		_onDragStart: function(e) {
 			var view = this._view;
 			var selection = view.getSelection();
 			var model = view.getModel();
 			if (model.getBaseModel) {
 				selection.start = model.mapOffset(selection.start);
 				selection.end = model.mapOffset(selection.end);
 				model = model.getBaseModel();
 			}
 			var text = model.getText(selection.start, selection.end);
 			if (text) {
 				this._dragSelection = selection;
 				e.event.dataTransfer.effectAllowed = "copyMove"; //$NON-NLS-0$
 				e.event.dataTransfer.setData("Text", text); //$NON-NLS-0$
 			}
 		},
 		_onDragEnd: function(e) {
 			var view = this._view;
 			if (this._dragSelection) {
 				if (this._undoStack) { this._undoStack.startCompoundChange(); }
 				var move = e.event.dataTransfer.dropEffect === "move"; //$NON-NLS-0$
 				if (move) {
 					view.setText("", this._dragSelection.start, this._dragSelection.end);
 				}
 				if (this._dropText) {
 					var text = this._dropText;
 					var offset = this._dropOffset;
 					if (move) {
 						if (offset >= this._dragSelection.end) {
 							offset -= this._dragSelection.end - this._dragSelection.start;
 						} else if (offset >= this._dragSelection.start) {
 							offset = this._dragSelection.start;
 						}
 					}
 					view.setText(text, offset, offset);
 					view.setSelection(offset, offset + text.length);
 					this._dropText = null;
 					this._dropOffset = -1;
 				}
 				if (this._undoStack) { this._undoStack.endCompoundChange(); }
 			}
 			this._dragSelection = null;
 		},
 		_onDragEnter: function(e) {
 			this._onDragOver(e);
 		},
 		_onDragOver: function(e) {
 			var types = e.event.dataTransfer.types;
 			if (types) {
 				var allowed = !this._view.getOptions("readonly"); //$NON-NLS-0$
 				if (allowed) {
 					allowed = types.contains ? types.contains("text/plain") : types.indexOf("text/plain") !== -1; //$NON-NLS-1$ //$NON-NLS-0$
 				}
 				if (!allowed) {
 					e.event.dataTransfer.dropEffect = "none"; //$NON-NLS-0$
 				}
 			}
 		},
 		_onDrop: function(e) {
 			var view = this._view;
 			var text = e.event.dataTransfer.getData("Text"); //$NON-NLS-0$
 			if (text) {
 				var offset = view.getOffsetAtLocation(e.x, e.y);
 				if (this._dragSelection) {
 					this._dropOffset = offset;
 					this._dropText = text;
 				} else {
 					view.setText(text, offset, offset);
 					view.setSelection(offset, offset + text.length);
 				}
 			}
 		}
 	};

 	return {TextDND: TextDND};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2009, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define("orion/editor/editor", [ //$NON-NLS-0$
 	'i18n!orion/editor/nls/messages', //$NON-NLS-0$
 	'orion/editor/eventTarget', //$NON-NLS-0$
 	'orion/editor/tooltip', //$NON-NLS-0$
 	'orion/editor/annotations', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(messages, mEventTarget, mTooltip, mAnnotations, util) {

 	/**	@private */
 	function merge(obj1, obj2) {
 		if (obj2) {
 			for (var p in obj2) {
 				if (obj2.hasOwnProperty(p)) {
 					obj1[p] = obj2[p];
 				}
 			}
 		}
 		return obj1;
 	}

 	var AT = mAnnotations.AnnotationType;

 	var HIGHLIGHT_ERROR_ANNOTATION = "orion.annotation.highlightError"; //$NON-NLS-0$

 	/**
 	 * @name orion.editor.Editor
 	 * @class An <code>Editor</code> is a user interface for editing text that provides additional features over the basic {@link orion.editor.TextView}.
 	 * Some of <code>Editor</code>'s features include:
 	 * <ul>
 	 * <li>Additional actions and key bindings for editing text</li>
 	 * <li>Content assist</li>
 	 * <li>Find and Incremental Find</li>
 	 * <li>Rulers for displaying line numbers and annotations</li>
 	 * <li>Status reporting</li>
 	 * </ul>
 	 *
 	 * @description Creates a new Editor with the given options.
 	 * @param {Object} options Options controlling the features of this Editor.
 	 * @param {Object} options.annotationFactory
 	 * @param {Object} options.contentAssistFactory
 	 * @param {Object} options.domNode
 	 * @param {Object} options.keyBindingFactory
 	 * @param {Object} options.lineNumberRulerFactory
 	 * @param {Object} options.foldingRulerFactory
 	 * @param {Object} options.statusReporter
 	 * @param {Object} options.textViewFactory
 	 * @param {Object} options.undoStackFactory
 	 * @param {Object} options.textDNDFactory
 	 *
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	function Editor(options) {
 		this._textViewFactory = options.textViewFactory;
 		this._undoStackFactory = options.undoStackFactory;
 		this._textDNDFactory = options.textDNDFactory;
 		this._annotationFactory = options.annotationFactory;
 		this._foldingRulerFactory = options.foldingRulerFactory;
 		this._lineNumberRulerFactory = options.lineNumberRulerFactory;
 		this._contentAssistFactory = options.contentAssistFactory;
 		this._keyBindingFactory = options.keyBindingFactory;
 		this._statusReporter = options.statusReporter;
 		this._domNode = options.domNode;

 		this._annotationStyler = null;
 		this._annotationModel = null;
 		this._annotationRuler = null;
 		this._lineNumberRuler = null;
 		this._overviewRuler = null;
 		this._foldingRuler = null;
 		this._dirty = false;
 		this._contentAssist = null;
 		this._title = null;
 	}
 	Editor.prototype = /** @lends orion.editor.Editor.prototype */ {
 		/**
 		 * Destroys the editor.
 		 */
 		destroy: function() {
 			this.uninstallTextView();
 			this._textViewFactory = this._undoStackFactory = this._textDNDFactory =
 			this._annotationFactory = this._foldingRulerFactory = this._lineNumberRulerFactory =
 			this._contentAssistFactory = this._keyBindingFactory = this._statusReporter =
 			this._domNode = null;
 		},
 		/**
 		 * Returns the annotation model of the editor.
 		 *
 		 * @returns {orion.editor.AnnotationModel}
 		 */
 		getAnnotationModel: function() {
 			return this._annotationModel;
 		},
 		/**
 		 * Returns the annotation ruler of the editor.
 		 *
 		 * @returns {orion.editor.AnnotationRuler}
 		 */
 		getAnnotationRuler: function() {
 			return this._annotationRuler;
 		},
 		/**
 		 * Returns the annotation styler of the editor.
 		 *
 		 * @returns {orion.editor.AnnotationStyler}
 		 */
 		getAnnotationStyler: function() {
 			return this._annotationStyler;
 		},
 		/**
 		 * Returns the content assist of the editor.
 		 *
 		 * @returns {orion.editor.LineNumberRuler}
 		 */
 		getContentAssist: function() {
 			return this._contentAssist;
 		},
 		/**
 		 * Returns the folding ruler of the editor.
 		 *
 		 * @returns {orion.editor.FoldingRuler}
 		 */
 		getFoldingRuler: function() {
 			return this._foldingRuler;
 		},
 		/**
 		 * Returns the line number ruler of the editor.
 		 *
 		 * @returns {orion.editor.LineNumberRuler}
 		 */
 		getLineNumberRuler: function() {
 			return this._lineNumberRuler;
 		},
 		/**
 		 * Returns the base text model of this editor.
 		 *
 		 * @returns {orion.editor.TextModel}
 		 */
 		getModel: function() {
 			var model = this._textView.getModel();
 			if (model.getBaseModel) {
 				model = model.getBaseModel();
 			}
 			return model;
 		},
 		/**
 		 * Returns the overview ruler of the editor.
 		 *
 		 * @returns {orion.editor.OverviewRuler}
 		 */
 		getOverviewRuler: function() {
 			return this._overviewRuler;
 		},
 		/**
 		 * Returns the underlying <code>TextView</code> used by this editor.
 		 * @returns {orion.editor.TextView} the editor text view.
 		 */
 		getTextView: function() {
 			return this._textView;
 		},
 		/**
 		 * Returns the editor title.
 		 *
 		 * @returns {String} the editor title.
 		 */
 		getTitle: function() {
 			return this._title;
 		},
 		/**
 		 * Returns the editor undo stack.
 		 *
 		 * @returns {orion.editor.UndoStack} the editor undo stack.
 		 */
 		getUndoStack: function() {
 			return this._undoStack;
 		},
 		/**
 		 * Returns the editor's key modes.
 		 *
 		 * @returns {Array} the editor key modes.
 		 */
 		getKeyModes: function() {
 			return this._textView.getKeyModes();
 		},
 		/**
 		 * Returns the editor source code actions.
 		 *
 		 * @returns {orion.editor.sourceCodeActions}
 		 */
 		getSourceCodeActions: function() {
 			return this._sourceCodeActions;
 		},
 		/**
 		 * Returns the editor linked mode.
 		 *
 		 * @returns {orion.editor.LinkedMode}
 		 */
 		getLinkedMode: function() {
 			return this._linkedMode;
 		},
 		/**
 		 * Returns the editor text actions.
 		 *
 		 * @returns {orion.editor.textActions}
 		 */
 		getTextActions: function() {
 			return this._textActions;
 		},
 		/**
 		 * Gives focus to the text view.
 		 */
 		focus: function() {
 			if (this._textView) {
 				this._textView.focus();
 			}
 		},
 		/**
 		 * Returns <code>true</code> if the editor is dirty; <code>false</code> otherwise.
 		 * @returns {Boolean}
 		 */
 		isDirty: function() {
 			return this._dirty;
 		},
 		/**
 		 * Sets whether the annotation ruler is visible.
 		 *
 		 * @param {Boolean} visible <code>true</code> to show ruler, <code>false</code> otherwise
 		 */
 		setAnnotationRulerVisible: function(visible, force) {
 			if (this._annotationRulerVisible === visible && !force) { return; }
 			this._annotationRulerVisible = visible;
 			if (!this._annotationRuler) { return; }
 			var textView = this._textView;
 			if (visible) {
 				textView.addRuler(this._annotationRuler, 0);
 			} else {
 				textView.removeRuler(this._annotationRuler);
 			}
 		},
 		/**
 		 * Sets whether the folding ruler is visible.
 		 *
 		 * @param {Boolean} visible <code>true</code> to show ruler, <code>false</code> otherwise
 		 */
 		setFoldingRulerVisible: function(visible, force) {
 			if (this._foldingRulerVisible === visible && !force) { return; }
 			this._foldingRulerVisible = visible;
 			if (!this._foldingRuler) { return; }
 			var textView = this._textView;
 			if (!textView.getModel().getBaseModel) { return; }
 			if (visible) {
 				textView.addRuler(this._foldingRuler);
 			} else {
 				textView.removeRuler(this._foldingRuler);
 			}
 		},
 		/**
 		 * Sets whether the editor is dirty.
 		 *
 		 * @param {Boolean} dirty
 		 */
 		setDirty: function(dirty) {
 			if (this._dirty === dirty) { return; }
 			this._dirty = dirty;
 			this.onDirtyChanged({type: "DirtyChanged"}); //$NON-NLS-0$
 		},
 		/**
 		 * Sets whether the line numbering ruler is visible.
 		 *
 		 * @param {Boolean} visible <code>true</code> to show ruler, <code>false</code> otherwise
 		 */
 		setLineNumberRulerVisible: function(visible, force) {
 			if (this._lineNumberRulerVisible === visible && !force) { return; }
 			this._lineNumberRulerVisible = visible;
 			if (!this._lineNumberRuler) { return; }
 			var textView = this._textView;
 			if (visible) {
 				textView.addRuler(this._lineNumberRuler, !this._annotationRulerVisible ? 0 : 1);
 			} else {
 				textView.removeRuler(this._lineNumberRuler);
 			}
 		},
 		/**
 		 * Sets whether the overview ruler is visible.
 		 *
 		 * @param {Boolean} visible <code>true</code> to show ruler, <code>false</code> otherwise
 		 */
 		setOverviewRulerVisible: function(visible, force) {
 			if (this._overviewRulerVisible === visible && !force) { return; }
 			this._overviewRulerVisible = visible;
 			if (!this._overviewRuler) { return; }
 			var textView = this._textView;
 			if (visible) {
 				textView.addRuler(this._overviewRuler);
 			} else {
 				textView.removeRuler(this._overviewRuler);
 			}
 		},

 		mapOffset: function(offset, parent) {
 			var textView = this._textView;
 			var model = textView.getModel();
 			if (model.getBaseModel) {
 				offset = model.mapOffset(offset, parent);
 			}
 			return offset;
 		},

 		getCaretOffset: function() {
 			return this.mapOffset(this._textView.getCaretOffset());
 		},

 		getSelection: function() {
 			var textView = this._textView;
 			var selection = textView.getSelection();
 			var model = textView.getModel();
 			if (model.getBaseModel) {
 				selection.start = model.mapOffset(selection.start);
 				selection.end = model.mapOffset(selection.end);
 			}
 			return selection;
 		},

 		getText: function(start, end) {
 			var textView = this._textView;
 			var model = textView.getModel();
 			if (model.getBaseModel) {
 				model = model.getBaseModel();
 			}
 			return model.getText(start, end);
 		},

 		_expandOffset: function(offset) {
 			var model = this._textView.getModel();
 			var annotationModel = this._annotationModel;
 			if (!annotationModel || !model.getBaseModel) { return; }
 			var annotations = annotationModel.getAnnotations(offset, offset + 1);
 			while (annotations.hasNext()) {
 				var annotation = annotations.next();
 				if (annotation.type === AT.ANNOTATION_FOLDING) {
 					if (annotation.expand) {
 						annotation.expand();
 						annotationModel.modifyAnnotation(annotation);
 					}
 				}
 			}
 		},

 		setCaretOffset: function(caretOffset, show, callback) {
 			var textView = this._textView;
 			var model = textView.getModel();
 			if (model.getBaseModel) {
 				this._expandOffset(caretOffset);
 				caretOffset = model.mapOffset(caretOffset, true);
 			}
 			textView.setCaretOffset(caretOffset, show, callback);
 		},

 		setText: function(text, start, end) {
 			var textView = this._textView;
 			var model = textView.getModel();
 			if (model.getBaseModel) {
 				if (start !== undefined) {
 					this._expandOffset(start);
 					start = model.mapOffset(start, true);
 				}
 				if (end !== undefined) {
 					this._expandOffset(end);
 					end = model.mapOffset(end, true);
 				}
 			}
 			textView.setText(text, start, end);
 		},

 		setSelection: function(start, end, show, callback) {
 			var textView = this._textView;
 			var model = textView.getModel();
 			if (model.getBaseModel) {
 				this._expandOffset(start);
 				this._expandOffset(end);
 				start = model.mapOffset(start, true);
 				end = model.mapOffset(end, true);
 			}
 			textView.setSelection(start, end, show, callback);
 		},

 		/**
 		 * @param {Number} start
 		 * @param {Number} [end]
 		 * @param {function} [callback] if callback is specified, scrolling to show the selection is animated and callback is called when the animation is done.
 		 * @param {Boolean} [focus=true] whether the text view should be focused when the selection is done.
 		 * @private
 		 * @deprecated use #setSelection instead
 		 */
 		moveSelection: function(start, end, callback, focus) {
 			end = end || start;
 			var textView = this._textView;
 			this.setSelection(start, end, 1 / 3, function() {
 				if (focus === undefined || focus) {
 					textView.focus();
 				}
 				if (callback) {
 					callback();
 				}
 			});
 		},

 		/** @private */
 		checkDirty : function() {
 			this.setDirty(!this._undoStack.isClean());
 		},

 		/**
 		 * @private
 		 */
 		reportStatus: function(message, type, isAccessible) {
 			if (this._statusReporter) {
 				this._statusReporter(message, type, isAccessible);
 			}
 		},

 		/** @private */
 		_getTooltipInfo: function(x, y) {
 			var textView = this._textView;
 			var annotationModel = this.getAnnotationModel();
 			if (!annotationModel) { return null; }
 			var annotationStyler = this._annotationStyler;
 			if (!annotationStyler) { return null; }
 			var offset = textView.getOffsetAtLocation(x, y);
 			if (offset === -1) { return null; }
 			offset = this.mapOffset(offset);
 			var annotations = annotationStyler.getAnnotationsByType(annotationModel, offset, offset + 1);
 			var rangeAnnotations = [];
 			for (var i = 0; i < annotations.length; i++) {
 				if (annotations[i].rangeStyle) {
 					rangeAnnotations.push(annotations[i]);
 				}
 			}
 			if (rangeAnnotations.length === 0) { return null; }
 			var pt = textView.convert({x: x, y: y}, "document", "page"); //$NON-NLS-1$ //$NON-NLS-0$
 			var info = {
 				contents: rangeAnnotations,
 				anchor: "left", //$NON-NLS-0$
 				x: pt.x + 10,
 				y: pt.y + 20
 			};
 			return info;
 		},

 		/** @private */
 		_highlightCurrentLine: function(newSelection, oldSelection) {
 			var annotationModel = this._annotationModel;
 			if (!annotationModel) { return; }
 			var textView = this._textView;
 			if (textView.getOptions("singleMode")) { return; } //$NON-NLS-0$
 			var model = textView.getModel();
 			var oldLineIndex = oldSelection ? model.getLineAtOffset(oldSelection.start) : -1;
 			var lineIndex = model.getLineAtOffset(newSelection.start);
 			var newEmpty = newSelection.start === newSelection.end;
 			var oldEmpty = !oldSelection || oldSelection.start === oldSelection.end;
 			var start = model.getLineStart(lineIndex);
 			var end = model.getLineEnd(lineIndex);
 			if (model.getBaseModel) {
 				start = model.mapOffset(start);
 				end = model.mapOffset(end);
 			}
 			var annotation = this._currentLineAnnotation;
 			if (oldLineIndex === lineIndex && oldEmpty && newEmpty && annotation && annotation.start === start && annotation.end === end) {
 				return;
 			}
 			var remove = annotation ? [annotation] : null;
 			var add;
 			if (newEmpty) {
 				var type = AT.ANNOTATION_CURRENT_LINE;
 				annotation = AT.createAnnotation(type, start, end);
 				add = [annotation];
 			}
 			this._currentLineAnnotation = annotation;
 			annotationModel.replaceAnnotations(remove, add);
 		},

 		/**
 		 * Creates the underlying TextView and installs the editor's features.
 		 */
 		installTextView : function() {
 			if (this._textView) { return; }

 			// Create textView and install optional features
 			this._textView = this._textViewFactory();
 			if (this._undoStackFactory) {
 				this._undoStack = this._undoStackFactory.createUndoStack(this);
 			}
 			if (this._textDNDFactory) {
 				this._textDND = this._textDNDFactory.createTextDND(this, this._undoStack);
 			}
 			if (this._contentAssistFactory) {
 				var contentAssistMode = this._contentAssistFactory.createContentAssistMode(this);
 				this._contentAssist = contentAssistMode.getContentAssist();
 			}

 			var editor = this, textView = this._textView;

 			var self = this;
 			this._listener = {
 				onModelChanged: function(e) {
 					self.checkDirty();
 				},
 				onMouseOver: function(e) {
 					self._listener.onMouseMove(e);
 				},
 				onMouseMove: function(e) {
 					var tooltip = mTooltip.Tooltip.getTooltip(textView);
 					if (!tooltip) { return; }
 					if (self._listener.lastMouseX === e.event.clientX && self._listener.lastMouseY === e.event.clientY) {
 						return;
 					}
 					self._listener.lastMouseX = e.event.clientX;
 					self._listener.lastMouseY = e.event.clientY;
 					tooltip.setTarget({
 						x: e.x,
 						y: e.y,
 						getTooltipInfo: function() {
 							return self._getTooltipInfo(this.x, this.y);
 						}
 					});
 				},
 				onMouseOut: function(e) {
 					var tooltip = mTooltip.Tooltip.getTooltip(textView);
 					if (!tooltip) { return; }
 					if (self._listener.lastMouseX === e.event.clientX && self._listener.lastMouseY === e.event.clientY) {
 						return;
 					}
 					self._listener.lastMouseX = e.event.clientX;
 					self._listener.lastMouseY = e.event.clientY;
 					tooltip.setTarget(null);
 				},
 				onScroll: function(e) {
 					var tooltip = mTooltip.Tooltip.getTooltip(textView);
 					if (!tooltip) { return; }
 					tooltip.setTarget(null, 0, 0);
 				},
 				onSelection: function(e) {
 					self._updateCursorStatus();
 					self._highlightCurrentLine(e.newValue, e.oldValue);
 				}
 			};
 			textView.addEventListener("ModelChanged", this._listener.onModelChanged); //$NON-NLS-0$
 			textView.addEventListener("Selection", this._listener.onSelection); //$NON-NLS-0$
 			textView.addEventListener("MouseOver", this._listener.onMouseOver); //$NON-NLS-0$
 			textView.addEventListener("MouseOut", this._listener.onMouseOut); //$NON-NLS-0$
 			textView.addEventListener("MouseMove", this._listener.onMouseMove); //$NON-NLS-0$
 			textView.addEventListener("Scroll", this._listener.onScroll); //$NON-NLS-0$

 			// Set up keybindings
 			if (this._keyBindingFactory) {
 				var keyBindings;
 				if (typeof this._keyBindingFactory === "function") { //$NON-NLS-0$
 					keyBindings = this._keyBindingFactory(this, this.getKeyModes(), this._undoStack, this._contentAssist);
 				} else {
 					keyBindings = this._keyBindingFactory.createKeyBindings(editor, this._undoStack, this._contentAssist);
 				}
 				if (keyBindings) {
 					this._textActions = keyBindings.textActions;
 					this._linkedMode = keyBindings.linkedMode;
 					this._sourceCodeActions = keyBindings.sourceCodeActions;
 				}
 			}

 			var addRemoveBookmark = function(lineIndex, e) {
 				if (lineIndex === undefined) { return; }
 				if (lineIndex === -1) { return; }
 				var view = this.getView();
 				var viewModel = view.getModel();
 				var annotationModel = this.getAnnotationModel();
 				var lineStart = editor.mapOffset(viewModel.getLineStart(lineIndex));
 				var lineEnd = editor.mapOffset(viewModel.getLineEnd(lineIndex));
 				var annotations = annotationModel.getAnnotations(lineStart, lineEnd);
 				var bookmark = null;
 				while (annotations.hasNext()) {
 					var annotation = annotations.next();
 					if (annotation.type === AT.ANNOTATION_BOOKMARK) {
 						bookmark = annotation;
 						break;
 					}
 				}
 				if (bookmark) {
 					annotationModel.removeAnnotation(bookmark);
 				} else {
 					bookmark = AT.createAnnotation(AT.ANNOTATION_BOOKMARK, lineStart, lineEnd);
 					bookmark.title = undefined;
 					annotationModel.addAnnotation(bookmark);
 				}
 			};

 			// Create rulers, annotation model and styler
 			if (this._annotationFactory) {
 				var textModel = textView.getModel();
 				if (textModel.getBaseModel) { textModel = textModel.getBaseModel(); }
 				this._annotationModel = this._annotationFactory.createAnnotationModel(textModel);
 				if (this._annotationModel) {
 					var styler = this._annotationStyler = this._annotationFactory.createAnnotationStyler(textView, this._annotationModel);
 					if (styler) {
 						styler.addAnnotationType(AT.ANNOTATION_CURRENT_SEARCH);
 						styler.addAnnotationType(AT.ANNOTATION_MATCHING_SEARCH);
 						styler.addAnnotationType(AT.ANNOTATION_ERROR);
 						styler.addAnnotationType(AT.ANNOTATION_WARNING);
 						styler.addAnnotationType(AT.ANNOTATION_MATCHING_BRACKET);
 						styler.addAnnotationType(AT.ANNOTATION_CURRENT_BRACKET);
 						styler.addAnnotationType(AT.ANNOTATION_CURRENT_LINE);
 						styler.addAnnotationType(AT.ANNOTATION_READ_OCCURRENCE);
 						styler.addAnnotationType(AT.ANNOTATION_WRITE_OCCURRENCE);
 						styler.addAnnotationType(AT.ANNOTATION_SELECTED_LINKED_GROUP);
 						styler.addAnnotationType(AT.ANNOTATION_CURRENT_LINKED_GROUP);
 						styler.addAnnotationType(AT.ANNOTATION_LINKED_GROUP);
 						styler.addAnnotationType(HIGHLIGHT_ERROR_ANNOTATION);
 					}
 				}

 				/*
 				* TODO - UndoStack relies on this line to ensure that collapsed regions are expanded
 				* when the undo operation happens to those regions. This line needs to be remove when the
 				* UndoStack is fixed.
 				*/
 				textView.annotationModel = this._annotationModel;

 				var rulers = this._annotationFactory.createAnnotationRulers(this._annotationModel);
 				var ruler = this._annotationRuler = rulers.annotationRuler;
 				if (ruler) {
 					ruler.onDblClick = addRemoveBookmark;
 					ruler.setMultiAnnotationOverlay({html: "<div class='annotationHTML overlay'></div>"}); //$NON-NLS-0$
 					ruler.addAnnotationType(AT.ANNOTATION_ERROR);
 					ruler.addAnnotationType(AT.ANNOTATION_WARNING);
 					ruler.addAnnotationType(AT.ANNOTATION_TASK);
 					ruler.addAnnotationType(AT.ANNOTATION_BOOKMARK);
 				}
 				this.setAnnotationRulerVisible(this._annotationRulerVisible || this._annotationRulerVisible === undefined, true);

 				ruler = this._overviewRuler = rulers.overviewRuler;
 				if (ruler) {
 					ruler.addAnnotationType(AT.ANNOTATION_CURRENT_SEARCH);
 					ruler.addAnnotationType(AT.ANNOTATION_MATCHING_SEARCH);
 					ruler.addAnnotationType(AT.ANNOTATION_READ_OCCURRENCE);
 					ruler.addAnnotationType(AT.ANNOTATION_WRITE_OCCURRENCE);
 					ruler.addAnnotationType(AT.ANNOTATION_CURRENT_BLAME);
 					ruler.addAnnotationType(AT.ANNOTATION_ERROR);
 					ruler.addAnnotationType(AT.ANNOTATION_WARNING);
 					ruler.addAnnotationType(AT.ANNOTATION_TASK);
 					ruler.addAnnotationType(AT.ANNOTATION_BOOKMARK);
 					ruler.addAnnotationType(AT.ANNOTATION_MATCHING_BRACKET);
 					ruler.addAnnotationType(AT.ANNOTATION_CURRENT_BRACKET);
 					ruler.addAnnotationType(AT.ANNOTATION_CURRENT_LINE);
 				}
 				this.setOverviewRulerVisible(this._overviewRulerVisible || this._overviewRulerVisible === undefined, true);
 			}

 			if (this._lineNumberRulerFactory) {
 				this._lineNumberRuler = this._lineNumberRulerFactory.createLineNumberRuler(this._annotationModel);
 				this._lineNumberRuler.addAnnotationType(AT.ANNOTATION_CURRENT_BLAME);
 				this._lineNumberRuler.addAnnotationType(AT.ANNOTATION_BLAME);
 				this._lineNumberRuler.onDblClick = addRemoveBookmark;
 				this.setLineNumberRulerVisible(this._lineNumberRulerVisible || this._lineNumberRulerVisible === undefined, true);
 			}

 			if (this._foldingRulerFactory) {
 				this._foldingRuler = this._foldingRulerFactory.createFoldingRuler(this._annotationModel);
 				this._foldingRuler.addAnnotationType(AT.ANNOTATION_FOLDING);
 				this.setFoldingRulerVisible(this._foldingRulerVisible || this._foldingRulerVisible === undefined, true);
 			}

 			var textViewInstalledEvent = {
 				type: "TextViewInstalled", //$NON-NLS-0$
 				textView: textView
 			};
 			this.dispatchEvent(textViewInstalledEvent);
 		},

 		/**
 		 * Destroys the underlying TextView.
 		 */
 		uninstallTextView: function() {
 			var textView = this._textView;
 			if (!textView) { return; }

 			textView.destroy();

 			this._textView = this._undoStack = this._textDND = this._contentAssist =
 				this._listener = this._annotationModel = this._annotationStyler =
 				this._annotationRuler = this._overviewRuler = this._lineNumberRuler =
 				this._foldingRuler = this._currentLineAnnotation = this._title = null;
 			this._dirty = false;
 			this._foldingRulerVisible = this._overviewRulerVisible =
 				this._lineNumberRulerVisible = this._annotationRulerVisible = undefined;

 			var textViewUninstalledEvent = {
 				type: "TextViewUninstalled", //$NON-NLS-0$
 				textView: textView
 			};
 			this.dispatchEvent(textViewUninstalledEvent);
 		},

 		_updateCursorStatus: function() {
 			var model = this.getModel();
 			var caretOffset = this.getCaretOffset();
 			var lineIndex = model.getLineAtOffset(caretOffset);
 			var lineStart = model.getLineStart(lineIndex);
 			var offsetInLine = caretOffset - lineStart;
 			// If we are in a mode and it owns status reporting, we bail out from reporting the cursor position.
 			var keyModes = this.getKeyModes();
 			for (var i=0; i<keyModes.length; i++) {
 				var mode = keyModes[i];
 				if (mode.isActive() && mode.isStatusActive && mode.isStatusActive()) {
 					return;
 				}
 			}
 			this.reportStatus(util.formatMessage(messages.lineColumn, lineIndex + 1, offsetInLine + 1));
 		},

 		showAnnotations: function(annotations, types, createAnnotation, getType) {
 			var annotationModel = this._annotationModel;
 			if (!annotationModel) {
 				return;
 			}
 			var remove = [], add = [];
 			var model = annotationModel.getTextModel();
 			var iter = annotationModel.getAnnotations(0, model.getCharCount()), annotation;
 			while (iter.hasNext()) {
 				annotation = iter.next();
 				if (types.indexOf(annotation.type) !== -1) {
 					if (annotation.creatorID === this) {
 						remove.push(annotation);
 					}
 				}
 			}
 			if (annotations) {
 				for (var i = 0; i < annotations.length; i++) {
 					annotation = annotations[i];
 					if (!annotation) { continue; }
 					if (createAnnotation) {
 						annotation = createAnnotation(annotation);
 					} else {
 						var start, end;
 						if (typeof annotation.line === "number") { //$NON-NLS-0$
 							// line/column
 							var lineIndex = annotation.line - 1;
 							var lineStart = model.getLineStart(lineIndex);
 							start = lineStart + annotation.start - 1;
 							end = lineStart + annotation.end;
 						} else {
 							// document offsets
 							start = annotation.start;
 							end = annotation.end;
 						}
 						var type = getType(annotation);
 						if (!type) { continue; }
 						annotation = AT.createAnnotation(type, start, end, annotation.description);
 					}
 					annotation.creatorID = this;
 					add.push(annotation);

 				}
 			}
 			annotationModel.replaceAnnotations(remove, add);
 		},

 		showProblems: function(problems) {
 			this.showAnnotations(problems, [
 				AT.ANNOTATION_ERROR,
 				AT.ANNOTATION_WARNING,
 				AT.ANNOTATION_TASK
 			], null, function(annotation) {
 				switch (annotation.severity) {
 					case "error": return AT.ANNOTATION_ERROR; //$NON-NLS-0$
 					case "warning": return AT.ANNOTATION_WARNING; //$NON-NLS-0$
 					case "task": return AT.ANNOTATION_TASK; //$NON-NLS-0$
 				}
 				return null;
 			});
 		},

 		showOccurrences: function(occurrences) {
 			this.showAnnotations(occurrences, [
 				AT.ANNOTATION_READ_OCCURRENCE,
 				AT.ANNOTATION_WRITE_OCCURRENCE
 			], null, function(annotation) {
 				return annotation.readAccess ? AT.ANNOTATION_READ_OCCURRENCE : AT.ANNOTATION_WRITE_OCCURRENCE;
 			});
 		},

 		showBlame : function(blameMarkers) {
 			var blameRGB = this._blameRGB;
 			var document = this.getTextView().getOptions("parent").ownerDocument; //$NON-NLS-0$
 			if (!blameRGB) {
 				var div = util.createElement(document, "div"); //$NON-NLS-0$
 				div.className = "annotation blame"; //$NON-NLS-0$
 				document.body.appendChild(div);
 				var window = document.defaultView || document.parentWindow;
 				var blameStyle = window.getComputedStyle(div);
 				var color = blameStyle.getPropertyValue("background-color"); //$NON-NLS-0$
 				div.parentNode.removeChild(div);
 				var i1 = color.indexOf("("); //$NON-NLS-0$
 				var i2 = color.indexOf(")"); //$NON-NLS-0$
 				color = color.substring(i1 + 1, i2);
 				this._blameRGB = blameRGB = color.split(",").slice(0,3); //$NON-NLS-0$
 			}
 			var createGroup = function() {
 				var annotation = mAnnotations.AnnotationType.createAnnotation(this.groupType, this.start, this.end, this.title);
 				annotation.style = merge({}, annotation.style);
 				annotation.style.style = merge({}, annotation.style.style);
 				annotation.style.style.backgroundColor = "";
 				this.groupAnnotation = annotation;
 				annotation.blame = this.blame;
 				annotation.html = this.html;
 				return annotation;
 			};
 			var title = function() {
 				var div = util.createElement(document, "div"); //$NON-NLS-0$
 				div.className = "tooltipTitle"; //$NON-NLS-0$
 				var index = this.blame.Message.indexOf("\n"); //$NON-NLS-0$
 				if (index === -1) { index = this.blame.Message.length; }
 				var commitLink = util.createElement(document, "a"); //$NON-NLS-0$
 				commitLink.href = this.blame.CommitLink;
 				commitLink.appendChild(document.createTextNode(this.blame.Message.substring(0, index)));
 				div.appendChild(commitLink);
 				div.appendChild(util.createElement(document, "br")); //$NON-NLS-0$
 				div.appendChild(document.createTextNode(util.formatMessage(messages.committerOnTime, this.blame.AuthorName, this.blame.Time)));
 				return div;
 			};
 			var model = this.getModel();
 			this.showAnnotations(blameMarkers, [
 				AT.ANNOTATION_BLAME
 			], function (blameMarker) {
 				var start = model.getLineStart(blameMarker.Start - 1);
 				var end = model.getLineEnd(blameMarker.End - 1, true);
 				var annotation = mAnnotations.AnnotationType.createAnnotation(AT.ANNOTATION_BLAME, start, end, title);
 				var blameColor = blameRGB.slice(0);
 				blameColor.push(blameMarker.Shade);
 				annotation.style = merge({}, annotation.style);
 				annotation.style.style = merge({}, annotation.style.style);
 				annotation.style.style.backgroundColor = "rgba(" + blameColor.join() + ")"; //$NON-NLS-0$ //$NON-NLS-1$
 				annotation.groupId = blameMarker.Name;
 				annotation.groupType = AT.ANNOTATION_CURRENT_BLAME;
 				annotation.createGroupAnnotation = createGroup;
 				annotation.html = '<img class="annotationHTML blame" src="' + blameMarker.AuthorImage + '"/>'; //$NON-NLS-0$ //$NON-NLS-1$
 				annotation.blame = blameMarker;
 				return annotation;
 			});
 		},

 		/**
 		 * Reveals and selects a portion of text.
 		 * @param {Number} start
 		 * @param {Number} end
 		 * @param {Number} line
 		 * @param {Number} offset
 		 * @param {Number} length
 		 */
 		showSelection: function(start, end, line, offset, length) {
 			// We use typeof because we need to distinguish the number 0 from an undefined or null parameter
 			if (typeof(start) === "number") { //$NON-NLS-0$
 				if (typeof(end) !== "number") { //$NON-NLS-0$
 					end = start;
 				}
 				this.moveSelection(start, end);
 			} else if (typeof(line) === "number") { //$NON-NLS-0$
 				var model = this.getModel();
 				var pos = model.getLineStart(line-1);
 				if (typeof(offset) === "number") { //$NON-NLS-0$
 					pos = pos + offset;
 				}
 				if (typeof(length) !== "number") { //$NON-NLS-0$
 					length = 0;
 				}
 				this.moveSelection(pos, pos+length);
 			}
 		},

 		/**
 		 * Sets the editor's contents.
 		 *
 		 * @param {String} title
 		 * @param {String} message
 		 * @param {String} contents
 		 * @param {Boolean} contentsSaved
 		 */
 		setInput: function(title, message, contents, contentsSaved) {
 			this._title = title;
 			if (this._textView) {
 				if (!contentsSaved) {
 					if (message) {
 						this._textView.setText(message);
 					} else {
 						if (contents !== null && contents !== undefined) {
 							this._textView.setText(contents);
 							this._textView.getModel().setLineDelimiter("auto"); //$NON-NLS-0$
 							this._highlightCurrentLine(this._textView.getSelection());
 						}
 					}
 					this._undoStack.reset();
 					this._textView.focus();
 				}
 				this.checkDirty();
 			}
 			this.onInputChanged({
 				type: "InputChanged", //$NON-NLS-0$
 				title: title,
 				message: message,
 				contents: contents,
 				contentsSaved: contentsSaved
 			});
 		},
 		/**
 		 * Called when the editor's contents have changed.
 		 * @param {Event} inputChangedEvent
 		 */
 		onInputChanged: function (inputChangedEvent) {
 			return this.dispatchEvent(inputChangedEvent);
 		},
 		/**
 		 * Reveals a line in the editor, and optionally selects a portion of the line.
 		 * @param {Number} line - document base line index
 		 * @param {Number|String} column
 		 * @param {Number} [end]
 		 */
 		onGotoLine: function(line, column, end, callback) {
 			if (this._textView) {
 				var model = this.getModel();
 				line = Math.max(0, Math.min(line, model.getLineCount() - 1));
 				var lineStart = model.getLineStart(line);
 				var start = 0;
 				if (end === undefined) {
 					end = 0;
 				}
 				if (typeof column === "string") { //$NON-NLS-0$
 					var index = model.getLine(line).indexOf(column);
 					if (index !== -1) {
 						start = index;
 						end = start + column.length;
 					}
 				} else {
 					start = column;
 					var lineLength = model.getLineEnd(line) - lineStart;
 					start = Math.min(start, lineLength);
 					end = Math.min(end, lineLength);
 				}
 				this.moveSelection(lineStart + start, lineStart + end, callback);
 			}
 		},

 		/**
 		 * Called when the dirty state of the editor changes.
 		 * @param {Event} dirtyChangedEvent
 		 */
 		onDirtyChanged: function(dirtyChangedEvent) {
 			return this.dispatchEvent(dirtyChangedEvent);
 		}
 	};
 	mEventTarget.EventTarget.addMixin(Editor.prototype);

 	return {
 		Editor: Editor
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */
 /*jslint browser:true regexp:false*/
 /**
  * @name orion.editor.regex
  * @class Utilities for dealing with regular expressions.
  * @description Utilities for dealing with regular expressions.
  */
 define("orion/regex", [], function() { //$NON-NLS-0$
 	/**
 	 * @methodOf orion.editor.regex
 	 * @static
 	 * @description Escapes regex special characters in the input string.
 	 * @param {String} str The string to escape.
 	 * @returns {String} A copy of <code>str</code> with regex special characters escaped.
 	 */
 	function escape(str) {
 		return str.replace(/([\\$\^*\/+?\.\(\)|{}\[\]])/g, "\\$&"); //$NON-NLS-0$
 	}

 	/**
 	 * @methodOf orion.editor.regex
 	 * @static
 	 * @description Parses a pattern and flags out of a regex literal string.
 	 * @param {String} str The string to parse. Should look something like <code>"/ab+c/"</code> or <code>"/ab+c/i"</code>.
 	 * @returns {Object} If <code>str</code> looks like a regex literal, returns an object with properties
 	 * <code><dl>
 	 * <dt>pattern</dt><dd>{String}</dd>
 	 * <dt>flags</dt><dd>{String}</dd>
 	 * </dl></code> otherwise returns <code>null</code>.
 	 */
 	function parse(str) {
 		var regexp = /^\s*\/(.+)\/([gim]{0,3})\s*$/.exec(str);
 		if (regexp) {
 			return {
 				pattern : regexp[1],
 				flags : regexp[2]
 			};
 		}
 		return null;
 	}

 	return {
 		escape: escape,
 		parse: parse
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/
 /*global define*/
 define('orion/objects',[], function() {
 	function mixin(target/*, source..*/) {
 		for (var j = 1; j < arguments.length; j++) {
 			var source = arguments[j];
 			for (var key in source) {
 				if (source.hasOwnProperty(key)) {
 					target[key] = source[key];
 				}
 			}
 		}
 	}

 	/**
 	 * @name orion.objects
 	 * @class Object-oriented helpers.
 	 */
 	return {
 		/**
 		 * Creates a shallow clone of the given <code>object</code>.
 		 * @name orion.objects.clone
 		 * @function
 		 * @static
 		 * @param {Object|Array} object The object to clone. Must be a "normal" Object or Array. Other built-ins,
 		 * host objects, primitives, etc, will not work.
 		 * @returns {Object|Array} A clone of <code>object</code>.
 		 */
 		clone: function(object) {
 			if (Array.isArray(object)) {
 				return Array.prototype.slice.call(object);
 			}
 			var clone = Object.create(Object.getPrototypeOf(object));
 			mixin(clone, object);
 			return clone;
 		},
 		/**
 		 * Mixes all <code>source</code>'s own enumerable properties into <code>target</code>. Multiple source objects
 		 * can be passed as varags.
 		 * @name orion.objects.mixin
 		 * @function
 		 * @static
 		 * @param {Object} target
 		 * @param {Object} source
 		 */
 		mixin: mixin
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define prompt window*/

 define("orion/editor/find", [ //$NON-NLS-0$
 	'i18n!orion/editor/nls/messages', //$NON-NLS-0$
 	'orion/keyBinding', //$NON-NLS-0$
 	'orion/editor/keyModes', //$NON-NLS-0$
 	'orion/editor/annotations', //$NON-NLS-0$
 	'orion/regex', //$NON-NLS-0$
 	'orion/objects', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(messages, mKeyBinding, mKeyModes, mAnnotations, mRegex, objects, util) {

 	var exports = {};

 	function IncrementalFind(editor) {
 		var textView = editor.getTextView();
 		mKeyModes.KeyMode.call(this, textView);
 		this.editor = editor;
 		this._active = false;
 		this._success = true;
 		this._ignoreSelection = false;
 		this._prefix = "";

 		textView.setAction("incrementalFindCancel", function() { //$NON-NLS-0$
 			this.setActive(false);
 			return true;
 		}.bind(this));
 		textView.setAction("incrementalFindBackspace", function() { //$NON-NLS-0$
 			return this._backspace();
 		}.bind(this));

 		var self = this;
 		this._listener = {
 			onVerify: function(e){
 				var editor = self.editor;
 				var model = editor.getModel();
 				var start = editor.mapOffset(e.start), end = editor.mapOffset(e.end);
 				var txt = model.getText(start, end);
 				var prefix = self._prefix;
 				// TODO: mRegex is pulled in just for this one call so we can get case-insensitive search
 				// is it really necessary
 				var match = prefix.match(new RegExp("^" + mRegex.escape(txt), "i")); //$NON-NLS-1$ //$NON-NLS-0$
 				if (match && match.length > 0) {
 					prefix = self._prefix += e.text;
 					self._success = true;
 					self._status();
 					self.find(self._forward, true);
 					e.text = null;
 				}
 			},
 			onSelection: function() {
 				if (!self._ignoreSelection) {
 					self.setActive(false);
 				}
 			}
 		};
 	}
 	IncrementalFind.prototype = new mKeyModes.KeyMode();
 	objects.mixin(IncrementalFind.prototype, {
 		createKeyBindings: function() {
 			var KeyBinding = mKeyBinding.KeyBinding;
 			var bindings = [];
 			bindings.push({actionID: "incrementalFindBackspace", keyBinding: new KeyBinding(8)}); //$NON-NLS-0$
 			bindings.push({actionID: "incrementalFindCancel", keyBinding: new KeyBinding(13)}); //$NON-NLS-0$
 			bindings.push({actionID: "incrementalFindCancel", keyBinding: new KeyBinding(27)}); //$NON-NLS-0$
 			bindings.push({actionID: "incrementalFindReverse", keyBinding: new KeyBinding(38)}); //$NON-NLS-0$
 			bindings.push({actionID: "incrementalFind", keyBinding: new KeyBinding(40)}); //$NON-NLS-0$
 			bindings.push({actionID: "incrementalFindReverse", keyBinding: new KeyBinding('k', true, true)}); //$NON-NLS-1$ //$NON-NLS-0$
 			bindings.push({actionID: "incrementalFind", keyBinding: new KeyBinding('k', true)}); //$NON-NLS-1$ //$NON-NLS-0$
 			return bindings;
 		},
 		find: function(forward, incremental) {
 			this._forward = forward;
 			if (!this.isActive()) {
 				this.setActive(true);
 				return false;
 			}
 			var prefix = this._prefix;
 			if (prefix.length === 0) {
 				return false;
 			}
 			var editor = this.editor;
 			var model = editor.getModel();
 			var start;
 			if (forward) {
 				if (this._success) {
 					start = incremental ? this._start : editor.getCaretOffset() + 1;
 				} else {
 					start = 0;
 				}
 			} else {
 				if (this._success) {
 					start = incremental ? this._start : editor.getCaretOffset();
 				} else {
 					start = model.getCharCount() - 1;
 				}
 			}
 			var result = editor.getModel().find({
 				string: prefix,
 				start: start,
 				reverse: !forward,
 				caseInsensitive: prefix.toLowerCase() === prefix}).next();
 			if (result) {
 				if (!incremental) {
 					this._start = start;
 				}
 				this._success = true;
 				this._ignoreSelection = true;
 				editor.moveSelection(forward ? result.start : result.end, forward ? result.end : result.start);
 				this._ignoreSelection = false;
 			} else {
 				this._success = false;
 			}
 			this._status();
 			return true;
 		},
 		isActive: function() {
 			return this._active;
 		},
 		isStatusActive: function() {
 			return this.isActive();
 		},
 		setActive: function(active) {
 			if (this._active === active) {
 				return;
 			}
 			this._active = active;
 			this._prefix = "";
 			this._success = true;
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			this._start = this.editor.getCaretOffset();
 			this.editor.setCaretOffset(this._start);
 			if (this._active) {
 				textView.addEventListener("Verify", this._listener.onVerify); //$NON-NLS-0$
 				textView.addEventListener("Selection", this._listener.onSelection); //$NON-NLS-0$
 				textView.addKeyMode(this);
 			} else {
 				textView.removeEventListener("Verify", this._listener.onVerify); //$NON-NLS-0$
 				textView.removeEventListener("Selection", this._listener.onSelection); //$NON-NLS-0$
 				textView.removeKeyMode(this);
 			}
 			this._status();
 		},
 		_backspace: function() {
 			var prefix = this._prefix;
 			prefix = this._prefix = prefix.substring(0, prefix.length-1);
 			if (prefix.length === 0) {
 				this._success = true;
 				this._ignoreSelection = true;
 				this.editor.setCaretOffset(this.editor.getSelection().start);
 				this._ignoreSelection = false;
 				this._status();
 				return true;
 			}
 			return this.find(this._forward, true);
 		},
 		_status: function() {
 			if (!this.isActive()) {
 				this.editor.reportStatus("");
 				return;
 			}
 			var msg;
 			if (this._forward) {
 				msg = this._success ? messages.incrementalFindStr : messages.incrementalFindStrNotFound;
 			} else {
 				msg = this._success ? messages.incrementalFindReverseStr : messages.incrementalFindReverseStrNotFound;
 			}
 			msg = util.formatMessage(msg, this._prefix);
 			this.editor.reportStatus(msg, this._success ? "" : "error"); //$NON-NLS-0$
 		}
 	});
 	exports.IncrementalFind = IncrementalFind;


 	function Find(editor, undoStack, options) {
 		if (!editor) { return; }
 		this._editor = editor;
 		this._undoStack = undoStack;
 		this._showAll = true;
 		this._visible = false;
 		this._caseInsensitive = true;
 		this._wrap = true;
 		this._wholeWord = false;
 		this._incremental = true;
 		this._regex = false;
 		this._findAfterReplace = true;
 		this._hideAfterFind = false;
 		this._reverse = false;
 		this._start = undefined;
 		this._end = undefined;
 		this._timer = undefined;
 		this._lastString = "";
 		var that = this;
 		this._listeners = {
 			onEditorFocus: function(e) {
 				that._removeCurrentAnnotation(e);
 			}
 		};
 		this.setOptions(options);
 	}
 	Find.prototype = {
 		find: function (forward, tempOptions, incremental) {
 			this.setOptions({
 				reverse : !forward
 			});
 			var string = this.getFindString();
 			var count;
 			if (tempOptions) {
 				string = tempOptions.findString || string;
 				count =  tempOptions.count;
 			}
 			var savedOptions = this.getOptions();
 			this.setOptions(tempOptions);
 			var startOffset = incremental ? this._startOffset : this.getStartOffset();
 			var result = this._doFind(string, startOffset, count);
 			if (result) {
 				if (!incremental) {
 					this._startOffset = result.start;
 				}
 			}
 			this.setOptions(savedOptions);
 			if (this._hideAfterFind) {
 				this.hide();
 			}
 			return result;
 		},
 		getStartOffset: function() {
 			if (this._start !== undefined) {
 				return this._start;
 			}
 			if (this._reverse) {
 				return this._editor.getSelection().start - 1;
 			}
 			return this._editor.getCaretOffset();
 		},
 		getFindString: function() {
 			var selection = this._editor.getSelection();
 			return this._editor.getText(selection.start, selection.end) || this._lastString;
 		},
 		getOptions: function() {
 			return {
 				showAll: this._showAll,
 				caseInsensitive: this._caseInsensitive,
 				wrap: this._wrap,
 				wholeWord: this._wholeWord,
 				incremental: this._incremental,
 				regex: this._regex,
 				findAfterReplace: this._findAfterReplace,
 				hideAfterFind: this._hideAfterFind,
 				reverse: this._reverse,
 				findCallback: this._findCallback,
 				start: this._start,
 				end: this._end
 			};
 		},
 		getReplaceString: function() {
 			return "";
 		},
 		hide: function() {
 			this._visible = false;
 			if (this._savedOptions) {
 				this.setOptions(this._savedOptions.pop());
 				if (this._savedOptions.length === 0) {
 					this._savedOptions = null;
 				}
 			}
 			this._removeAllAnnotations();
 			var textView = this._editor.getTextView();
 			if (textView) {
 				textView.removeEventListener("Focus", this._listeners.onEditorFocus); //$NON-NLS-0$
 				textView.focus();
 			}
 		},
 		isVisible: function() {
 			return this._visible;
 		},
 		replace: function() {
 			var string = this.getFindString();
 			if (string) {
 				var editor = this._editor;
 				var replaceString = this.getReplaceString();
 				var selection = editor.getSelection();
 				var start = selection.start;
 				var result = editor.getModel().find({
 					string: string,
 					start: start,
 					reverse: false,
 					wrap: this._wrap,
 					regex: this._regex,
 					wholeWord: this._wholeWord,
 					caseInsensitive: this._caseInsensitive
 				}).next();
 				if (result) {
 					this.startUndo();
 					this._doReplace(result.start, result.end, string, replaceString);
 					this.endUndo();
 				}
 			}
 			if (this._findAfterReplace && string){
 				this._doFind(string, this.getStartOffset());
 			}
 		},
 		replaceAll : function() {
 			var string = this.getFindString();
 			if (string) {
 				this._replacingAll = true;
 				var editor = this._editor;
 				var textView = editor.getTextView();
 				editor.reportStatus(messages.replaceAll);
 				var replaceString = this.getReplaceString();
 				var self = this;
 				window.setTimeout(function() {
 					var startPos = 0;
 					var count = 0, lastResult;
 					while (true) {
 						//For replace all, we need to ignore the wrap search from the user option
 						//Otherwise the loop will be dead, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=411813
 						var result = self._doFind(string, startPos, null, true);
 						if (!result) {
 							break;
 						}
 						lastResult = result;
 						count++;
 						if (count === 1) {
 							textView.setRedraw(false);
 							self.startUndo();
 						}
 						self._doReplace(result.start, result.end, string, replaceString);
 						startPos = self.getStartOffset();
 					}
 					if (count > 0) {
 						self.endUndo();
 						textView.setRedraw(true);
 					}
 					if (startPos > 0) {
 						editor.reportStatus(util.formatMessage(messages.replacedMatches, count));
 					} else {
 						editor.reportStatus(messages.nothingReplaced, "error"); //$NON-NLS-0$
 					}
 					self._replacingAll = false;
 				}, 100);
 			}
 		},
 		/**
 		 * @property {String} string the search string to be found.
 		 * @property {Boolean} [regex=false] whether or not the search string is a regular expression.
 		 * @property {Boolean} [wrap=false] whether or not to wrap search.
 		 * @property {Boolean} [wholeWord=false] whether or not to search only whole words.
 		 * @property {Boolean} [caseInsensitive=false] whether or not search is case insensitive.
 		 * @property {Boolean} [reverse=false] whether or not to search backwards.
 		 * @property {Number} [start=0] The start offset to start searching
 		 * @property {Number} [end=charCount] The end offset of the search. Used to search in a given range.
 		 */
 		setOptions : function(options) {
 			if (options) {
 				if ((options.showAll === true || options.showAll === false) && this._showAll !== options.showAll) {
 					this._showAll = options.showAll;
 					if (this.isVisible()) {
 						if (this._showAll) {
 							this._markAllOccurrences();
 						} else {
 							var annotationModel = this._editor.getAnnotationModel();
 							if (annotationModel) {
 								annotationModel.removeAnnotations(mAnnotations.AnnotationType.ANNOTATION_MATCHING_SEARCH);
 							}
 						}
 					}
 				}
 				if (options.caseInsensitive === true || options.caseInsensitive === false) {
 					this._caseInsensitive = options.caseInsensitive;
 				}
 				if (options.wrap === true || options.wrap === false) {
 					this._wrap = options.wrap;
 				}
 				if (options.wholeWord === true || options.wholeWord === false) {
 					this._wholeWord = options.wholeWord;
 				}
 				if (options.incremental === true || options.incremental === false) {
 					this._incremental = options.incremental;
 				}
 				if (options.regex === true || options.regex === false) {
 					this._regex = options.regex;
 				}
 				if (options.findAfterReplace === true || options.findAfterReplace === false) {
 					this._findAfterReplace = options.findAfterReplace;
 				}
 				if (options.hideAfterFind === true || options.hideAfterFind === false) {
 					this._hideAfterFind = options.hideAfterFind;
 				}
 				if (options.reverse === true || options.reverse === false) {
 					this._reverse = options.reverse;
 				}
 				if (options.hasOwnProperty("findCallback")) { //$NON-NLS-0$
 					this._findCallback = options.findCallback;
 				}
 				if (options.hasOwnProperty("start")) { //$NON-NLS-0$
 					this._start = options.start;
 				}
 				if (options.hasOwnProperty("end")) { //$NON-NLS-0$
 					this._end = options.end;
 				}
 			}
 		},
 		show: function(tempOptions) {
 			this._visible = true;
 			if (tempOptions) {
 				if (!this._savedOptions) {
 					this._savedOptions = [];
 				}
 				this._savedOptions.push(this.getOptions());
 				this.setOptions(tempOptions);
 			}
 			this._startOffset = this._editor.getSelection().start;
 			this._editor.getTextView().addEventListener("Focus", this._listeners.onEditorFocus); //$NON-NLS-0$
 			var self = this;
 			window.setTimeout(function() {
 				if (self._incremental) {
 					self.find(true, null, true);
 				}
 			}, 0);
 		},
 		startUndo: function() {
 			if (this._undoStack) {
 				this._undoStack.startCompoundChange();
 			}
 		},
 		endUndo: function() {
 			if (this._undoStack) {
 				this._undoStack.endCompoundChange();
 			}
 		},
 		_doFind: function(string, startOffset, count, noWrap) {
 			count = count || 1;
 			var editor = this._editor;
 			if (!string) {
 				this._removeAllAnnotations();
 				return null;
 			}
 			this._lastString = string;
 			var iterator = editor.getModel().find({
 				string: string,
 				start: startOffset,
 				end: this._end,
 				reverse: this._reverse,
 				wrap: (noWrap ? false: this._wrap),
 				regex: this._regex,
 				wholeWord: this._wholeWord,
 				caseInsensitive: this._caseInsensitive
 			});
 			var result;
 			for (var i=0; i<count && iterator.hasNext(); i++) {
 				result = iterator.next();
 			}
 			if (!this._replacingAll) {
 				if (result) {
 					this._editor.reportStatus("");
 				} else {
 					this._editor.reportStatus(messages.notFound, "error"); //$NON-NLS-0$
 				}
 				if (this.isVisible()) {
 					var type = mAnnotations.AnnotationType.ANNOTATION_CURRENT_SEARCH;
 					var annotationModel = editor.getAnnotationModel();
 					if (annotationModel) {
 						annotationModel.removeAnnotations(type);
 						if (result) {
 							annotationModel.addAnnotation(mAnnotations.AnnotationType.createAnnotation(type, result.start, result.end));
 						}
 					}
 					if (this._showAll) {
 						if (this._timer) {
 							window.clearTimeout(this._timer);
 						}
 						var that = this;
 						this._timer = window.setTimeout(function(){
 							that._markAllOccurrences();
 							that._timer = null;
 						}, 500);
 					}
 				}
 				if (this._findCallback) {
 					this._findCallback(result);
 				}
 				else if (result) {
 					editor.moveSelection(result.start, result.end, null, false);
 				}
 			}
 			return result;
 		},
 		_doReplace: function(start, end, searchStr, newStr) {
 			var editor = this._editor;
 			if (this._regex) {
 				newStr = editor.getText(start, end).replace(new RegExp(searchStr, this._caseInsensitive ? "i" : ""), newStr); //$NON-NLS-0$
 				if (!newStr) {
 					return;
 				}
 			}
 			editor.setText(newStr, start, end);
 			editor.setSelection(start, start + newStr.length, true);
 		},
 		_markAllOccurrences: function() {
 			var annotationModel = this._editor.getAnnotationModel();
 			if (!annotationModel) {
 				return;
 			}
 			var type = mAnnotations.AnnotationType.ANNOTATION_MATCHING_SEARCH;
 			var iter = annotationModel.getAnnotations(0, annotationModel.getTextModel().getCharCount());
 			var remove = [], add;
 			while (iter.hasNext()) {
 				var annotation = iter.next();
 				if (annotation.type === type) {
 					remove.push(annotation);
 				}
 			}
 			if (this.isVisible()) {
 				var string = this.getFindString();
 				iter = this._editor.getModel().find({
 					string: string,
 					regex: this._regex,
 					wholeWord: this._wholeWord,
 					caseInsensitive: this._caseInsensitive
 				});
 				add = [];
 				while (iter.hasNext()) {
 					var range = iter.next();
 					add.push(mAnnotations.AnnotationType.createAnnotation(type, range.start, range.end));
 				}
 			}
 			annotationModel.replaceAnnotations(remove, add);
 		},
 		_removeAllAnnotations: function() {
 			var annotationModel = this._editor.getAnnotationModel();
 			if (annotationModel) {
 				annotationModel.removeAnnotations(mAnnotations.AnnotationType.ANNOTATION_CURRENT_SEARCH);
 				annotationModel.removeAnnotations(mAnnotations.AnnotationType.ANNOTATION_MATCHING_SEARCH);
 			}
 		},
 		_removeCurrentAnnotation: function(evt){
 			var annotationModel = this._editor.getAnnotationModel();
 			if (annotationModel) {
 				annotationModel.removeAnnotations(mAnnotations.AnnotationType.ANNOTATION_CURRENT_SEARCH);
 			}
 		}
 	};
 	exports.Find = Find;

 	return exports;
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define prompt */

 define("orion/editor/actions", [ //$NON-NLS-0$
 	'i18n!orion/editor/nls/messages', //$NON-NLS-0$
 	'orion/keyBinding', //$NON-NLS-0$
 	'orion/editor/annotations', //$NON-NLS-0$
 	'orion/editor/tooltip', //$NON-NLS-0$
 	'orion/editor/find', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(messages, mKeyBinding, mAnnotations, mTooltip, mFind, util) {

 	var exports = {};

 	/**
 	 * TextActions connects common text editing keybindings onto an editor.
 	 */
 	function TextActions(editor, undoStack, find) {
 		this.editor = editor;
 		this.undoStack = undoStack;
 		this._incrementalFind = new mFind.IncrementalFind(editor);
 		this._find = find ? find : new mFind.Find(editor, undoStack);
 		this._lastEditLocation = null;
 		this.init();
 	}

 	TextActions.prototype = {
 		init: function() {
 			var textView = this.editor.getTextView();

 			this._lastEditListener = {
 				onModelChanged: function(e) {
 					if (this.editor.isDirty()) {
 						this._lastEditLocation = e.start + e.addedCharCount;
 					}
 				}.bind(this)
 			};
 			textView.addEventListener("ModelChanged", this._lastEditListener.onModelChanged); //$NON-NLS-0$

 			textView.setAction("undo", function() { //$NON-NLS-0$
 				if (this.undoStack) {
 					this.undoStack.undo();
 					return true;
 				}
 				return false;
 			}.bind(this), {name: messages.undo});

 			textView.setAction("redo", function() { //$NON-NLS-0$
 				if (this.undoStack) {
 					this.undoStack.redo();
 					return true;
 				}
 				return false;
 			}.bind(this), {name: messages.redo});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("f", true), "find"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("find", function() { //$NON-NLS-0$
 				if (this._find) {
 					var selection = this.editor.getSelection();
 					var search = prompt(messages.find, this.editor.getText(selection.start, selection.end));
 					if (search) {
 						this._find.find(true, {findString:search});
 					}
 				}
 			}.bind(this), {name: messages.find});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("k", true), "findNext"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("findNext", function(options) { //$NON-NLS-0$
 				if (this._find){
 					this._find.find(true, options);
 					return true;
 				}
 				return false;
 			}.bind(this), {name: messages.findNext});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("k", true, true), "findPrevious"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("findPrevious", function(options) { //$NON-NLS-0$
 				if (this._find){
 					this._find.find(false, options);
 					return true;
 				}
 				return false;
 			}.bind(this), {name: messages.findPrevious});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("j", true), "incrementalFind"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("incrementalFind", function() { //$NON-NLS-0$
 				if (this._incrementalFind) {
 					this._incrementalFind.find(true);
 				}
 				return true;
 			}.bind(this), {name: messages.incrementalFind});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("j", true, true), "incrementalFindReverse"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("incrementalFindReverse", function() { //$NON-NLS-0$
 				if (this._incrementalFind) {
 					this._incrementalFind.find(false);
 				}
 				return true;
 			}.bind(this), {name: messages.incrementalFindReverse});

 			textView.setAction("tab", function() { //$NON-NLS-0$
 				return this.indentLines();
 			}.bind(this));

 			textView.setAction("shiftTab", function() { //$NON-NLS-0$
 				return this.unindentLines();
 			}.bind(this), {name: messages.unindentLines});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(38, false, false, true), "moveLinesUp"); //$NON-NLS-0$
 			textView.setAction("moveLinesUp", function() { //$NON-NLS-0$
 				return this.moveLinesUp();
 			}.bind(this), {name: messages.moveLinesUp});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(40, false, false, true), "moveLinesDown"); //$NON-NLS-0$
 			textView.setAction("moveLinesDown", function() { //$NON-NLS-0$
 				return this.moveLinesDown();
 			}.bind(this), {name: messages.moveLinesDown});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(38, true, false, true), "copyLinesUp"); //$NON-NLS-0$
 			textView.setAction("copyLinesUp", function() { //$NON-NLS-0$
 				return this.copyLinesUp();
 			}.bind(this), {name: messages.copyLinesUp});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(40, true, false, true), "copyLinesDown"); //$NON-NLS-0$
 			textView.setAction("copyLinesDown", function() { //$NON-NLS-0$
 				return this.copyLinesDown();
 			}.bind(this), {name: messages.copyLinesDown});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding('d', true, false, false), "deleteLines"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("deleteLines", function(data) { //$NON-NLS-0$
 				return this.deleteLines(data);
 			}.bind(this), {name: messages.deleteLines});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("l", !util.isMac, false, false, util.isMac), "gotoLine"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("gotoLine", function() { //$NON-NLS-0$
 				return this.gotoLine();
 			}.bind(this), {name: messages.gotoLine});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(190, true), "nextAnnotation"); //$NON-NLS-0$
 			textView.setAction("nextAnnotation", function() { //$NON-NLS-0$
 				return this.nextAnnotation(true);
 			}.bind(this), {name: messages.nextAnnotation});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(188, true), "previousAnnotation"); //$NON-NLS-0$
 			textView.setAction("previousAnnotation", function() { //$NON-NLS-0$
 				return this.nextAnnotation(false);
 			}.bind(this), {name: messages.prevAnnotation});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("e", true, false, true, false), "expand"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("expand", function() { //$NON-NLS-0$
 				return this.expandAnnotation(true);
 			}.bind(this), {name: messages.expand});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("c", true, false, true, false), "collapse"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("collapse", function() { //$NON-NLS-0$
 				return this.expandAnnotation(false);
 			}.bind(this), {name: messages.collapse});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("e", true, true, true, false), "expandAll"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("expandAll", function() { //$NON-NLS-0$
 				return this.expandAnnotations(true);
 			}.bind(this), {name: messages.expandAll});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("c", true, true, true, false), "collapseAll"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("collapseAll", function() { //$NON-NLS-0$
 				return this.expandAnnotations(false);
 			}.bind(this), {name: messages.collapseAll});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("q", !util.isMac, false, false, util.isMac), "lastEdit"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("lastEdit", function() { //$NON-NLS-0$
 				return this.gotoLastEdit();
 			}.bind(this), {name: messages.lastEdit});
 		},
 		copyLinesDown: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var firstLine = model.getLineAtOffset(selection.start);
 			var lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			var lineStart = model.getLineStart(firstLine);
 			var lineEnd = model.getLineEnd(lastLine, true);
 			var lineCount = model.getLineCount();
 			var delimiter = "";
 			var text = model.getText(lineStart, lineEnd);
 			if (lastLine === lineCount-1) {
 				text = (delimiter = model.getLineDelimiter()) + text;
 			}
 			var insertOffset = lineEnd;
 			editor.setText(text, insertOffset, insertOffset);
 			editor.setSelection(insertOffset + delimiter.length, insertOffset + text.length);
 			return true;
 		},
 		copyLinesUp: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var firstLine = model.getLineAtOffset(selection.start);
 			var lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			var lineStart = model.getLineStart(firstLine);
 			var lineEnd = model.getLineEnd(lastLine, true);
 			var lineCount = model.getLineCount();
 			var delimiter = "";
 			var text = model.getText(lineStart, lineEnd);
 			if (lastLine === lineCount-1) {
 				text += (delimiter = model.getLineDelimiter());
 			}
 			var insertOffset = lineStart;
 			editor.setText(text, insertOffset, insertOffset);
 			editor.setSelection(insertOffset, insertOffset + text.length - delimiter.length);
 			return true;
 		},
 		deleteLines: function(data) {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var count = 1;
 			if (data && data.count) {
 				count = data.count;
 			}
 			var selection = editor.getSelection();
 			var model = editor.getModel();
 			var firstLine = model.getLineAtOffset(selection.start);
 			var lineStart = model.getLineStart(firstLine);
 			var lastLine;
 			if (selection.start !== selection.end || count === 1) {
 				lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			} else {
 				lastLine = Math.min(firstLine + count - 1, model.getLineCount() - 1);
 			}
 			var lineEnd = model.getLineEnd(lastLine, true);
 			editor.setText("", lineStart, lineEnd);
 			return true;
 		},
 		expandAnnotation: function(expand) {
 			var editor = this.editor;
 			var annotationModel = editor.getAnnotationModel();
 			if(!annotationModel) { return true; }
 			var model = editor.getModel();
 			var currentOffset = editor.getCaretOffset();
 			var lineIndex = model.getLineAtOffset(currentOffset);
 			var start = model.getLineStart(lineIndex);
 			var end = model.getLineEnd(lineIndex, true);
 			if (model.getBaseModel) {
 				start = model.mapOffset(start);
 				end = model.mapOffset(end);
 				model = model.getBaseModel();
 			}
 			var annotation, iter = annotationModel.getAnnotations(start, end);
 			while (!annotation && iter.hasNext()) {
 				var a = iter.next();
 				if (a.type !== mAnnotations.AnnotationType.ANNOTATION_FOLDING) { continue; }
 				annotation = a;
 			}
 			if (annotation) {
 				if (expand !== annotation.expanded) {
 					if (expand) {
 						annotation.expand();
 					} else {
 						editor.setCaretOffset(annotation.start);
 						annotation.collapse();
 					}
 					annotationModel.modifyAnnotation(annotation);
 				}
 			}
 			return true;
 		},
 		expandAnnotations: function(expand) {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			var annotationModel = editor.getAnnotationModel();
 			if(!annotationModel) { return true; }
 			var model = editor.getModel();
 			var annotation, iter = annotationModel.getAnnotations(0, model.getCharCount());
 			textView.setRedraw(false);
 			while (iter.hasNext()) {
 				annotation = iter.next();
 				if (annotation.type !== mAnnotations.AnnotationType.ANNOTATION_FOLDING) { continue; }
 				if (expand !== annotation.expanded) {
 					if (expand) {
 						annotation.expand();
 					} else {
 						annotation.collapse();
 					}
 					annotationModel.modifyAnnotation(annotation);
 				}
 			}
 			textView.setRedraw(true);
 			return true;
 		},
 		indentLines: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			if(!textView.getOptions("tabMode")) { return; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var firstLine = model.getLineAtOffset(selection.start);
 			var lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			if (firstLine !== lastLine) {
 				var lines = [];
 				lines.push("");
 				for (var i = firstLine; i <= lastLine; i++) {
 					lines.push(model.getLine(i, true));
 				}
 				var lineStart = model.getLineStart(firstLine);
 				var lineEnd = model.getLineEnd(lastLine, true);
 				var options = textView.getOptions("tabSize", "expandTab"); //$NON-NLS-1$ //$NON-NLS-0$
 				var text = options.expandTab ? new Array(options.tabSize + 1).join(" ") : "\t"; //$NON-NLS-1$ //$NON-NLS-0$
 				editor.setText(lines.join(text), lineStart, lineEnd);
 				editor.setSelection(lineStart === selection.start ? selection.start : selection.start + text.length, selection.end + ((lastLine - firstLine + 1) * text.length));
 				return true;
 			}
 			return false;
 		},
 		gotoLastEdit: function() {
 			if (typeof this._lastEditLocation === "number")  { //$NON-NLS-0$
 				this.editor.showSelection(this._lastEditLocation);
 			}
 			return true;
 		},
 		gotoLine: function() {
 			var editor = this.editor;
 			var model = editor.getModel();
 			var line = model.getLineAtOffset(editor.getCaretOffset());
 			line = prompt(messages.gotoLinePrompty, line + 1);
 			if (line) {
 				line = parseInt(line, 10);
 				editor.onGotoLine(line - 1, 0);
 			}
 			return true;
 		},
 		moveLinesDown: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var firstLine = model.getLineAtOffset(selection.start);
 			var lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			var lineCount = model.getLineCount();
 			if (lastLine === lineCount-1) {
 				return true;
 			}
 			var lineStart = model.getLineStart(firstLine);
 			var lineEnd = model.getLineEnd(lastLine, true);
 			var insertOffset = model.getLineEnd(lastLine+1, true) - (lineEnd - lineStart);
 			var text, delimiterLength = 0;
 			if (lastLine !== lineCount-2) {
 				text = model.getText(lineStart, lineEnd);
 			} else {
 				// Move delimiter following selection to front of the text
 				var lineEndNoDelimiter = model.getLineEnd(lastLine);
 				text = model.getText(lineEndNoDelimiter, lineEnd) + model.getText(lineStart, lineEndNoDelimiter);
 				delimiterLength += lineEnd - lineEndNoDelimiter;
 			}
 			this.startUndo();
 			editor.setText("", lineStart, lineEnd);
 			editor.setText(text, insertOffset, insertOffset);
 			editor.setSelection(insertOffset + delimiterLength, insertOffset + delimiterLength + text.length);
 			this.endUndo();
 			return true;
 		},
 		moveLinesUp: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var firstLine = model.getLineAtOffset(selection.start);
 			if (firstLine === 0) {
 				return true;
 			}
 			var lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			var lineCount = model.getLineCount();
 			var insertOffset = model.getLineStart(firstLine - 1);
 			var lineStart = model.getLineStart(firstLine);
 			var lineEnd = model.getLineEnd(lastLine, true);
 			var text = model.getText(lineStart, lineEnd);
 			var delimiterLength = 0;
 			if (lastLine === lineCount-1) {
 				// Move delimiter preceding selection to end of text
 				var delimiterStart = model.getLineEnd(firstLine - 1);
 				var delimiterEnd = model.getLineEnd(firstLine - 1, true);
 				text += model.getText(delimiterStart, delimiterEnd);
 				lineStart = delimiterStart;
 				delimiterLength = delimiterEnd - delimiterStart;
 			}
 			this.startUndo();
 			editor.setText("", lineStart, lineEnd);
 			editor.setText(text, insertOffset, insertOffset);
 			editor.setSelection(insertOffset, insertOffset + text.length - delimiterLength);
 			this.endUndo();
 			return true;
 		},
 		nextAnnotation: function (forward) {
 			var editor = this.editor;
 			var annotationModel = editor.getAnnotationModel();
 			if (!annotationModel) { return true; }
 			var styler = editor.getAnnotationStyler();
 			if (!styler) { return true; }
 			var model = editor.getModel();
 			var currentOffset = editor.getCaretOffset();
 			var annotations = annotationModel.getAnnotations(forward ? currentOffset : 0, forward ? model.getCharCount() : currentOffset);
 			var foundAnnotation = null;
 			while (annotations.hasNext()) {
 				var annotation = annotations.next();
 				if (forward) {
 					if (annotation.start <= currentOffset) { continue; }
 				} else {
 					if (annotation.start >= currentOffset) { continue; }
 				}
 				if (!(annotation.rangeStyle && styler.isAnnotationTypeVisible(annotation.type))) {
 					continue;
 				}
 				foundAnnotation = annotation;
 				if (forward) {
 					break;
 				}
 			}
 			if (foundAnnotation) {
 				var view = editor.getTextView();
 				var nextLine = model.getLineAtOffset(foundAnnotation.start);
 				var tooltip = mTooltip.Tooltip.getTooltip(view);
 				if (!tooltip) {
 					editor.moveSelection(foundAnnotation.start);
 					return true;
 				}
 				editor.moveSelection(foundAnnotation.start, foundAnnotation.start, function() {
 					tooltip.setTarget({
 						getTooltipInfo: function() {
 							var tooltipCoords = view.convert({
 								x: view.getLocationAtOffset(foundAnnotation.start).x,
 								y: view.getLocationAtOffset(model.getLineStart(nextLine)).y
 							}, "document", "page"); //$NON-NLS-1$ //$NON-NLS-0$
 							return {
 								contents: [foundAnnotation],
 								x: tooltipCoords.x,
 								y: tooltipCoords.y + Math.floor(view.getLineHeight(nextLine) * 1.33)
 							};
 						}
 					}, 0);
 				});
 			}
 			return true;
 		},
 		unindentLines: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			if(!textView.getOptions("tabMode")) { return; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var firstLine = model.getLineAtOffset(selection.start);
 			var lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			var tabSize = textView.getOptions("tabSize"); //$NON-NLS-0$
 			var spaceTab = new Array(tabSize + 1).join(" "); //$NON-NLS-0$
 			var lines = [], removeCount = 0, firstRemoveCount = 0;
 			for (var i = firstLine; i <= lastLine; i++) {
 				var line = model.getLine(i, true);
 				if (model.getLineStart(i) !== model.getLineEnd(i)) {
 					if (line.indexOf("\t") === 0) { //$NON-NLS-0$
 						line = line.substring(1);
 						removeCount++;
 					} else if (line.indexOf(spaceTab) === 0) {
 						line = line.substring(tabSize);
 						removeCount += tabSize;
 					} else {
 						return true;
 					}
 				}
 				if (i === firstLine) {
 					firstRemoveCount = removeCount;
 				}
 				lines.push(line);
 			}
 			var lineStart = model.getLineStart(firstLine);
 			var lineEnd = model.getLineEnd(lastLine, true);
 			var lastLineStart = model.getLineStart(lastLine);
 			editor.setText(lines.join(""), lineStart, lineEnd);
 			var start = lineStart === selection.start ? selection.start : selection.start - firstRemoveCount;
 			var end = Math.max(start, selection.end - removeCount + (selection.end === lastLineStart+1 && selection.start !== selection.end ? 1 : 0));
 			editor.setSelection(start, end);
 			return true;
 		},
 		startUndo: function() {
 			if (this.undoStack) {
 				this.undoStack.startCompoundChange();
 			}
 		},
 		endUndo: function() {
 			if (this.undoStack) {
 				this.undoStack.endCompoundChange();
 			}
 		}
 	};
 	exports.TextActions = TextActions;

 	/**
 	 * @param {orion.editor.Editor} editor
 	 * @param {orion.editor.UndoStack} undoStack
 	 * @param {orion.editor.ContentAssist} [contentAssist]
 	 * @param {orion.editor.LinkedMode} [linkedMode]
 	 */
 	function SourceCodeActions(editor, undoStack, contentAssist, linkedMode) {
 		this.editor = editor;
 		this.undoStack = undoStack;
 		this.contentAssist = contentAssist;
 		this.linkedMode = linkedMode;
 		if (this.contentAssist) {
 			this.contentAssist.addEventListener("ProposalApplied", this.contentAssistProposalApplied.bind(this)); //$NON-NLS-0$
 		}
 		this.init();
 	}
 	SourceCodeActions.prototype = {
 		init: function() {
 			var textView = this.editor.getTextView();

 			textView.setAction("lineStart", function() { //$NON-NLS-0$
 				return this.lineStart();
 			}.bind(this));

 			textView.setAction("enter", function() { //$NON-NLS-0$
 				return this.autoIndent();
 			}.bind(this));

 			textView.setKeyBinding(new mKeyBinding.KeyBinding("t", true, false, true), "trimTrailingWhitespaces"); //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("trimTrailingWhitespaces", function() { //$NON-NLS-0$
 				return this.trimTrailingWhitespaces();
 			}.bind(this), {name: messages.trimTrailingWhitespaces});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(191, true), "toggleLineComment"); //$NON-NLS-0$
 			textView.setAction("toggleLineComment", function() { //$NON-NLS-0$
 				return this.toggleLineComment();
 			}.bind(this), {name: messages.toggleLineComment});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(191, true, !util.isMac, false, util.isMac), "addBlockComment"); //$NON-NLS-0$
 			textView.setAction("addBlockComment", function() { //$NON-NLS-0$
 				return this.addBlockComment();
 			}.bind(this), {name: messages.addBlockComment});

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(220, true, !util.isMac, false, util.isMac), "removeBlockComment"); //$NON-NLS-0$
 			textView.setAction("removeBlockComment", function() { //$NON-NLS-0$
 				return this.removeBlockComment();
 			}.bind(this), {name: messages.removeBlockComment});

 			// Autocomplete square brackets []
 			textView.setKeyBinding(new mKeyBinding.KeyBinding("[", false, false, false, false, "keypress"), "autoPairSquareBracket"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("autoPairSquareBracket", function() { //$NON-NLS-0$
 				return this.autoPairBrackets("[", "]"); //$NON-NLS-1$ //$NON-NLS-0$
 			}.bind(this));

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(']', false, false, false, false, "keypress"), "skipClosingSquareBracket"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("skipClosingSquareBracket", function() { //$NON-NLS-0$
 				return this.skipClosingBracket(']'); //$NON-NLS-0$
 			}.bind(this));

 			// Autocomplete parentheses ()
 			textView.setKeyBinding(new mKeyBinding.KeyBinding("(", false, false, false, false, "keypress"), "autoPairParentheses"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("autoPairParentheses", function() { //$NON-NLS-0$
 				return this.autoPairBrackets("(", ")"); //$NON-NLS-1$ //$NON-NLS-0$
 			}.bind(this));

 			textView.setKeyBinding(new mKeyBinding.KeyBinding(')', false, false, false, false, "keypress"), "skipClosingParenthesis"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("skipClosingParenthesis", function() { //$NON-NLS-0$
 				return this.skipClosingBracket(")"); //$NON-NLS-0$
 			}.bind(this));

 			// Autocomplete braces {}
 			textView.setKeyBinding(new mKeyBinding.KeyBinding("{", false, false, false, false, "keypress"), "autoPairBraces"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("autoPairBraces", function() { //$NON-NLS-0$
 				return this.autoPairBrackets("{", "}"); //$NON-NLS-1$ //$NON-NLS-0$
 			}.bind(this));

 			textView.setKeyBinding(new mKeyBinding.KeyBinding('}', false, false, false, false, "keypress"), "skipClosingBrace"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("skipClosingBrace", function() { //$NON-NLS-0$
 				return this.skipClosingBracket("}"); //$NON-NLS-0$
 			}.bind(this));

 			// Autocomplete single quotations
 			textView.setKeyBinding(new mKeyBinding.KeyBinding("'", false, false, false, false, "keypress"), "autoPairSingleQuotation"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("autoPairSingleQuotation", function() { //$NON-NLS-0$
 				return this.autoPairQuotations("'"); //$NON-NLS-1$ //$NON-NLS-0$
 			}.bind(this));

 			// Autocomplete double quotations
 			textView.setKeyBinding(new mKeyBinding.KeyBinding('"', false, false, false, false, "keypress"), "autoPairDblQuotation"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			textView.setAction("autoPairDblQuotation", function() { //$NON-NLS-0$
 				return this.autoPairQuotations('"'); //$NON-NLS-1$ //$NON-NLS-0$
 			}.bind(this));

 			textView.setAction("deletePrevious", function() { //$NON-NLS-0$
 				return this.deletePrevious();
 			}.bind(this));
 		},
 		autoIndent: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var selection = editor.getSelection();
 			if (selection.start === selection.end) {
 				var model = editor.getModel();
 				var lineIndex = model.getLineAtOffset(selection.start);
 				var lineText = model.getLine(lineIndex, false);
 				var lineStart = model.getLineStart(lineIndex);
 				var index = 0;
 				var lineOffset = selection.start - lineStart;
 				var c;
 				while (index < lineOffset && ((c = lineText.charCodeAt(index)) === 32 || c === 9)) { index++; }
 				var prefix = lineText.substring(0, index);
 				var options = textView.getOptions("tabSize", "expandTab"); //$NON-NLS-1$ //$NON-NLS-0$
 				var tab = options.expandTab ? new Array(options.tabSize + 1).join(" ") : "\t"; //$NON-NLS-1$ //$NON-NLS-0$
 				var lineDelimiter = model.getLineDelimiter();
 				var matchCommentStart = /^[\s]*\/\*[\*]*[\s]*$/;
 				var matchCommentDelimiter = /^[\s]*\*/;
 				var matchCommentEnd = /\*\/[\s]*$/;
 				var lineTextBeforeCaret = lineText.substring(0, lineOffset);
 				var lineTextAfterCaret = lineText.substring(lineOffset);
 				var text;
 				// If the character before the caret is an opening brace, smart indent the next line.
 				var prevCharIdx = lineTextBeforeCaret.trimRight().length - 1;
 				if (this.smartIndentation && lineText.charCodeAt(prevCharIdx) === 123) {
 					// Remove any extra whitespace
 					var whitespaceBeforeCaret = lineOffset - prevCharIdx - 1;
 					var whitespaceAfterCaret = lineTextAfterCaret.length - lineTextAfterCaret.trimLeft().length;

 					text = lineText.charCodeAt(lineOffset + whitespaceAfterCaret) === 125 ?
 						   lineDelimiter + prefix + tab + lineDelimiter + prefix :
 						   lineDelimiter + prefix + tab;

 					editor.setText(text, selection.start - whitespaceBeforeCaret, selection.end + whitespaceAfterCaret);
 					editor.setCaretOffset(selection.start + lineDelimiter.length + prefix.length + tab.length - whitespaceBeforeCaret);
 					return true;
 				// Proceed with autocompleting multi-line comment if the text before the caret matches
 				// the start or comment delimiter (*) of a multi-line comment
 				} else if ((!matchCommentEnd.test(lineTextBeforeCaret)) &&
 							(matchCommentStart.test(lineTextBeforeCaret) || matchCommentDelimiter.test(lineTextBeforeCaret))) {
 					var caretOffset;

 					/**
 					 * Matches the start of a multi-line comment. Autocomplete the multi-line block comment,
 					 * moving any text after the caret into the block comment and setting the caret to be
 					 * after the comment delimiter.
 					 */
 					var match = matchCommentStart.exec(lineTextBeforeCaret);
 					if (match) {
 						text = lineDelimiter + prefix + " * "; //$NON-NLS-0$
 						// Text added into the comment block are trimmed of all preceding and trailing whitespaces.
 						// If the text after the caret contains the ending of a block comment, exclude the ending.
 						if (matchCommentEnd.test(lineTextAfterCaret)) {
 							text += lineTextAfterCaret.substring(0, lineTextAfterCaret.length - 2).trim();
 						} else {
 							text += lineTextAfterCaret.trim();
 						}
 						// Add the closing to the multi-line block comment if the next line is not a
 						// comment delimiter.
 						if ((model.getLineCount() === lineIndex + 1) ||
 							!matchCommentDelimiter.test(model.getLine(lineIndex + 1))) {
 							text += lineDelimiter + prefix + " */"; //$NON-NLS-0$
 						}
 						editor.setText(text, selection.start, selection.end + lineTextAfterCaret.length);
 						editor.setCaretOffset(selection.start + lineDelimiter.length + prefix.length + 3);
 						return true;
 					}

 					/**
 					 * Matches a comment delimiter (*) as the start of the line, and traverses up the lines to confirm if
 					 * it is a multi-line comment by matching the start of a block comment. If so, continue the
 					 * multi-line comment in the next line. Any text that follows after the caret is moved to the newly
 					 * added comment delimiter.
 					 */
 					match = matchCommentDelimiter.exec(lineTextBeforeCaret);
 					if (match) {
 						for (var i = lineIndex - 1; i >= 0; i--) {
 							var prevLine = model.getLine(i, false);
 							if (matchCommentStart.test(prevLine)) {
 								/**
 								 * If the text after the caret matches the end of a comment block or the character in front of the
 								 * caret is a forward slash, continue the block comment with the caret and text after the caret on
 								 * the next line directly in front of the star (*).
 								 */
 								if (matchCommentEnd.test(lineTextAfterCaret) || lineText.charCodeAt(lineOffset) === 47) {
 									text = lineDelimiter + prefix + "*" + lineTextAfterCaret; //$NON-NLS-0$
 									caretOffset = selection.start + lineDelimiter.length + prefix.length + 1;
 								} else {
 									text = lineDelimiter + prefix + "* " + lineTextAfterCaret; //$NON-NLS-0$
 									caretOffset = selection.start + lineDelimiter.length + prefix.length + 2;
 								}
 								editor.setText(text, selection.start, selection.end + lineTextAfterCaret.length);
 								editor.setCaretOffset(caretOffset);
 								return true;
 							} else if (!matchCommentDelimiter.test(prevLine)) {
 								return false;
 							}
 						}
 					}

 					return false;
 				} else if (matchCommentEnd.test(lineTextBeforeCaret)) {
 					// Matches the end of a block comment. Fix the indentation for the following line.
 					text = lineText.substring(selection.start) + lineDelimiter + prefix.substring(0, prefix.length - 1);
 					editor.setText(text, selection.start, selection.end);
 					editor.setCaretOffset(selection.start + text.length);
 					return true;
 				} else if (index > 0) {
 					//TODO still wrong when typing inside folding
 					index = lineOffset;
 					while (index < lineText.length && ((c = lineText.charCodeAt(index++)) === 32 || c === 9)) { selection.end++; }
 					editor.setText(model.getLineDelimiter() + prefix, selection.start, selection.end);
 					return true;
 				}
 			}
 			return false;
 		},
 		addBlockComment: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var open = "/*", close = "*/", commentTags = new RegExp("/\\*" + "|" + "\\*/", "g"); //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$

 			var result = this._findEnclosingComment(model, selection.start, selection.end);
 			if (result.commentStart !== undefined && result.commentEnd !== undefined) {
 				return true; // Already in a comment
 			}

 			var text = model.getText(selection.start, selection.end);
 			if (text.length === 0) { return true; }

 			var oldLength = text.length;
 			text = text.replace(commentTags, "");
 			var newLength = text.length;

 			editor.setText(open + text + close, selection.start, selection.end);
 			editor.setSelection(selection.start + open.length, selection.end + open.length + (newLength-oldLength));
 			return true;
 		},
 		/**
 		 * Called on an opening bracket keypress.
 		 * Automatically inserts the specified opening and closing brackets around the caret or selected text.
 		 */
 		autoPairBrackets: function(openBracket, closeBracket) {
 			if (!this.autoPairing) { return false; }
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var selection = editor.getSelection();
 			var model = editor.getModel();
 			var currentOffset = editor.getCaretOffset();
 			var nextChar = (currentOffset === model.getCharCount()) ? "" : model.getText(selection.start, selection.start + 1).trim(); //$NON-NLS-0$
 			var isClosingBracket = new RegExp("^$|[)}\\]>]"); //$NON-NLS-0$ // matches any empty string and closing bracket

 			if (selection.start === selection.end && isClosingBracket.test(nextChar)) { //$NON-NLS-0$
 				// No selection and subsequent character is not a closing bracket - wrap the caret with the opening and closing brackets,
 				// and maintain the caret position inbetween the brackets
 				editor.setText(openBracket + closeBracket, selection.start, selection.start);
 				editor.setCaretOffset(selection.start + 1);
 				return true;
 			} else if (selection.start !== selection.end) {
 				// Wrap the selected text with the specified opening and closing brackets and keep selection on text
 				var text = model.getText(selection.start, selection.end);
 				editor.setText(openBracket + text + closeBracket, selection.start, selection.end);
 				editor.setSelection(selection.start + 1, selection.end + 1);
 				return true;
 			}
 			return false;
 		},
 		/**
 		 * Called on a quotation mark keypress.
 		 * Automatically inserts a pair of the specified quotation around the caret the caret or selected text.
 		 */
 		autoPairQuotations: function(quotation) {
 			if (!this.autoPairing) { return false; }
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var selection = editor.getSelection();
 			var model = editor.getModel();
 			var currentOffset = editor.getCaretOffset();
 			var prevChar = (currentOffset === 0) ? "" : model.getText(selection.start - 1, selection.start).trim(); //$NON-NLS-0$
 			var nextChar = (currentOffset === model.getCharCount()) ? "" : model.getText(selection.start, selection.start + 1).trim(); //$NON-NLS-0$
 			var isQuotation = new RegExp("^\"$|^'$"); //$NON-NLS-0$
 			var isAlpha = new RegExp("\\w"); //$NON-NLS-0$
 			var isClosingBracket = new RegExp("^$|[)}\\]>]"); //$NON-NLS-0$ // matches any empty string and closing bracket

 			// Wrap the selected text with the specified opening and closing quotation marks and keep selection on text
 			if (selection.start !== selection.end) {
 				var text = model.getText(selection.start, selection.end);
 				if (isQuotation.test(text)) { return false; }
 				editor.setText(quotation + text + quotation, selection.start, selection.end);
 				editor.setSelection(selection.start + 1, selection.end + 1);
 			} else if (nextChar === quotation) {
 				// Skip over the next character if it matches the specified quotation mark
 				editor.setCaretOffset(selection.start + 1);
 			} else if (prevChar === quotation || isQuotation.test(nextChar) || isAlpha.test(prevChar) || !isClosingBracket.test(nextChar)) {
 				// Insert the specified quotation mark
 				return false;
 			} else {
 				// No selection - wrap the caret with the opening and closing quotation marks, and maintain the caret position inbetween the quotations
 				editor.setText(quotation + quotation, selection.start, selection.start);
 				editor.setCaretOffset(selection.start + 1);
 			}
 			return true;
 		},
 		/**
 		 * Called when a content assist proposal has been applied. Inserts the proposal into the
 		 * document. Activates Linked Mode if applicable for the selected proposal.
 		 * @param {orion.editor.ContentAssist#ProposalAppliedEvent} event
 		 */
 		contentAssistProposalApplied: function(event) {
 			/*
 			 * The event.proposal is an object with this shape:
 			 * {   proposal: "[proposal string]", // Actual text of the proposal
 			 *     description: "diplay string", // Optional
 			 *     positions: [{
 			 *         offset: 10, // Offset of start position of parameter i
 			 *         length: 3  // Length of parameter string for parameter i
 			 *     }], // One object for each parameter; can be null
 			 *     escapePosition: 19, // Optional; offset that caret will be placed at after exiting Linked Mode.
 			 *     style: 'emphasis', // Optional: either emphasis, noemphasis, hr to provide custom styling for the proposal
 			 *     unselectable: false // Optional: if set to true, then this proposal cannnot be selected through the keyboard
 			 * }
 			 * Offsets are relative to the text buffer.
 			 */
 			var proposal = event.data.proposal;

 			//if the proposal specifies linked positions, build the model and enter linked mode
 			if (proposal.positions && proposal.positions.length > 0 && this.linkedMode) {
 				var positionGroups = [];
 				for (var i = 0; i < proposal.positions.length; ++i) {
 					positionGroups[i] = {
 						positions: [{
 							offset: proposal.positions[i].offset,
 							length: proposal.positions[i].length
 						}]
 					};
 				}
 				this.linkedMode.enterLinkedMode({
 					groups: positionGroups,
 					escapePosition: proposal.escapePosition
 				});
 			} else if (proposal.groups && proposal.groups.length > 0 && this.linkedMode) {
 				this.linkedMode.enterLinkedMode({
 					groups: proposal.groups,
 					escapePosition: proposal.escapePosition
 				});
 			} else if (proposal.escapePosition) {
 				//we don't want linked mode, but there is an escape position, so just set cursor position
 				var textView = this.editor.getTextView();
 				textView.setCaretOffset(proposal.escapePosition);
 			}
 			return true;
 		},
 		// On backspace keypress, checks if there are a pair of brackets or quotation marks to be deleted
 		deletePrevious: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var selection = editor.getSelection();
 			var model = editor.getModel();
 			var caretOffset = editor.getCaretOffset();
 			var prevChar = (caretOffset === 0) ? "" : model.getText(selection.start - 1, selection.start); //$NON-NLS-0$
 			var nextChar = (caretOffset === model.getCharCount()) ? "" : model.getText(selection.start, selection.start + 1); //$NON-NLS-0$

 			if ((prevChar === "(" && nextChar === ")") || //$NON-NLS-1$ //$NON-NLS-0$
 				(prevChar === "[" && nextChar === "]") || //$NON-NLS-1$ //$NON-NLS-0$
 				(prevChar === "{" && nextChar === "}") || //$NON-NLS-1$ //$NON-NLS-0$
 				(prevChar === "<" && nextChar === ">") || //$NON-NLS-1$ //$NON-NLS-0$
 				(prevChar === '"' && nextChar === '"') || //$NON-NLS-1$ //$NON-NLS-0$
 				(prevChar === "'" && nextChar === "'")) { //$NON-NLS-1$ //$NON-NLS-0$
 				editor.setText("", selection.start, selection.start + 1); //$NON-NLS-0$
 			}
 			return false;
 		},
 		_findEnclosingComment: function(model, start, end) {
 			var open = "/*", close = "*/"; //$NON-NLS-1$ //$NON-NLS-0$
 			var firstLine = model.getLineAtOffset(start);
 			var lastLine = model.getLineAtOffset(end);
 			var i, line, extent, openPos, closePos;
 			var commentStart, commentEnd;
 			for (i=firstLine; i >= 0; i--) {
 				line = model.getLine(i);
 				extent = (i === firstLine) ? start - model.getLineStart(firstLine) : line.length;
 				openPos = line.lastIndexOf(open, extent);
 				closePos = line.lastIndexOf(close, extent);
 				if (closePos > openPos) {
 					break; // not inside a comment
 				} else if (openPos !== -1) {
 					commentStart = model.getLineStart(i) + openPos;
 					break;
 				}
 			}
 			for (i=lastLine; i < model.getLineCount(); i++) {
 				line = model.getLine(i);
 				extent = (i === lastLine) ? end - model.getLineStart(lastLine) : 0;
 				openPos = line.indexOf(open, extent);
 				closePos = line.indexOf(close, extent);
 				if (openPos !== -1 && openPos < closePos) {
 					break;
 				} else if (closePos !== -1) {
 					commentEnd = model.getLineStart(i) + closePos;
 					break;
 				}
 			}
 			return {commentStart: commentStart, commentEnd: commentEnd};
 		},
 		lineStart: function() {
 			var editor = this.editor;
 			var model = editor.getModel();
 			var caretOffset = editor.getCaretOffset();
 			var lineIndex = model.getLineAtOffset(caretOffset);
 			var lineOffset = model.getLineStart(lineIndex);
 			var lineText = model.getLine(lineIndex);
 			var offset;
 			for (offset=0; offset<lineText.length; offset++) {
 				var c = lineText.charCodeAt(offset);
 				if (!(c === 32 || c === 9)) {
 					break;
 				}
 			}
 			offset += lineOffset;
 			if (caretOffset !== offset) {
 				editor.setSelection(offset, offset);
 				return true;
 			}
 			return false;
 		},
 		removeBlockComment: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var open = "/*", close = "*/"; //$NON-NLS-1$ //$NON-NLS-0$

 			// Try to shrink selection to a comment block
 			var selectedText = model.getText(selection.start, selection.end);
 			var newStart, newEnd;
 			var i;
 			for(i=0; i < selectedText.length; i++) {
 				if (selectedText.substring(i, i + open.length) === open) {
 					newStart = selection.start + i;
 					break;
 				}
 			}
 			for (; i < selectedText.length; i++) {
 				if (selectedText.substring(i, i + close.length) === close) {
 					newEnd = selection.start + i;
 					break;
 				}
 			}

 			if (newStart !== undefined && newEnd !== undefined) {
 				editor.setText(model.getText(newStart + open.length, newEnd), newStart, newEnd + close.length);
 				editor.setSelection(newStart, newEnd);
 			} else {
 				// Otherwise find enclosing comment block
 				var result = this._findEnclosingComment(model, selection.start, selection.end);
 				if (result.commentStart === undefined || result.commentEnd === undefined) {
 					return true;
 				}

 				var text = model.getText(result.commentStart + open.length, result.commentEnd);
 				editor.setText(text, result.commentStart, result.commentEnd + close.length);
 				editor.setSelection(selection.start - open.length, selection.end - close.length);
 			}
 			return true;
 		},
 		toggleLineComment: function() {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			var firstLine = model.getLineAtOffset(selection.start);
 			var lastLine = model.getLineAtOffset(selection.end > selection.start ? selection.end - 1 : selection.end);
 			var uncomment = true, lines = [], lineText, index;
 			for (var i = firstLine; i <= lastLine; i++) {
 				lineText = model.getLine(i, true);
 				lines.push(lineText);
 				if (!uncomment || (index = lineText.indexOf("//")) === -1) { //$NON-NLS-0$
 					uncomment = false;
 				} else {
 					if (index !== 0) {
 						var j;
 						for (j=0; j<index; j++) {
 							var c = lineText.charCodeAt(j);
 							if (!(c === 32 || c === 9)) {
 								break;
 							}
 						}
 						uncomment = j === index;
 					}
 				}
 			}
 			var text, selStart, selEnd;
 			var lineStart = model.getLineStart(firstLine);
 			var lineEnd = model.getLineEnd(lastLine, true);
 			if (uncomment) {
 				for (var k = 0; k < lines.length; k++) {
 					lineText = lines[k];
 					index = lineText.indexOf("//"); //$NON-NLS-0$
 					lines[k] = lineText.substring(0, index) + lineText.substring(index + 2);
 				}
 				text = lines.join("");
 				var lastLineStart = model.getLineStart(lastLine);
 				selStart = lineStart === selection.start ? selection.start : selection.start - 2;
 				selEnd = selection.end - (2 * (lastLine - firstLine + 1)) + (selection.end === lastLineStart+1 ? 2 : 0);
 			} else {
 				lines.splice(0, 0, "");
 				text = lines.join("//"); //$NON-NLS-0$
 				selStart = lineStart === selection.start ? selection.start : selection.start + 2;
 				selEnd = selection.end + (2 * (lastLine - firstLine + 1));
 			}
 			editor.setText(text, lineStart, lineEnd);
 			editor.setSelection(selStart, selEnd);
 			return true;
 		},
 		trimTrailingWhitespaces: function() {
 			var editor = this.editor;
 			var model = editor.getModel();
 			var selection = editor.getSelection();
 			editor.getTextView().setRedraw(false);
 			editor.getUndoStack().startCompoundChange();
 			var matchTrailingWhiteSpace = /(\s+$)/;
 			var lineCount = model.getLineCount();
 			for (var i = 0; i < lineCount; i++) {
 				var lineText = model.getLine(i);
 				var match = matchTrailingWhiteSpace.exec(lineText);
 				if (match) {
 					var lineStartOffset = model.getLineStart(i);
 					var matchLength = match[0].length;
 					var start = lineStartOffset + match.index;
 					model.setText("", start, start + matchLength);
 					/**
 					 * Move the caret to its original position prior to the save. If the caret
 					 * was in the trailing whitespaces, move the caret to the end of the line.
 					 */
 					if (selection.start > start) {
 						selection.start = Math.max(start, selection.start - matchLength);
 					}
 					if (selection.start !== selection.end && selection.end > start) {
 						selection.end = Math.max(start, selection.end - matchLength);
 					}
 				}
 			}
 			editor.getUndoStack().endCompoundChange();
 			editor.getTextView().setRedraw(true);
 			editor.setSelection(selection.start, selection.end, false);
 		},
 		startUndo: function() {
 			if (this.undoStack) {
 				this.undoStack.startCompoundChange();
 			}
 		},
 		skipClosingBracket: function(closingChar) {
 			var editor = this.editor;
 			var textView = editor.getTextView();
 			if (textView.getOptions("readonly")) { return false; } //$NON-NLS-0$
 			var selection = editor.getSelection();
 			var model = editor.getModel();
 			var currentOffset = editor.getCaretOffset();
 			var nextChar = (currentOffset === model.getCharCount()) ? "" : model.getText(selection.start, selection.start + 1); //$NON-NLS-0$

 			if (nextChar === closingChar) {
 				editor.setCaretOffset(selection.start + 1);
 				return true;
 			}
 			return false;
 		},
 		endUndo: function() {
 			if (this.undoStack) {
 				this.undoStack.endCompoundChange();
 			}
 		},
 		setAutoPairing: function(enabled) {
 			this.autoPairing = enabled;
 		},
 		setSmartIndentation: function(enabled) {
 			this.smartIndentation = enabled;
 		}
 	};
 	exports.SourceCodeActions = SourceCodeActions;

 	return exports;
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define("orion/editor/templates", [], function() { //$NON-NLS-0$

 	/**
 	 * Removes prefix from string.
 	 * @param {String} prefix
 	 * @param {String} string
 	 */
 	function chop(prefix, string) {
 		return string.substring(prefix.length);
 	}

 	var tabVar = "${tab}"; //$NON-NLS-0$
 	var delimiterVar = "${delimiter}"; //$NON-NLS-0$
 	var cursorVar = "${cursor}"; //$NON-NLS-0$

 	function Template (prefix, description, template) {
 		this.prefix = prefix;
 		this.description = description;
 		this.template = template;
 		this._parse();
 	}
 	Template.prototype = /** @lends orion.editor.Template.prototype */ {
 		getProposal: function(prefix, offset, context) {
 			//any returned positions need to be offset based on current cursor position and length of prefix
 			var startOffset = offset-prefix.length;
 			var groups = {};
 			var escapePosition;
 			var delimiter = context.delimiter !== undefined ? context.delimiter : "\n"; //$NON-NLS-0$
 			if (context.indentation) {
 				delimiter += context.indentation;
 			}
 			var tab = context.tab !== undefined ? context.tab : "\t"; //$NON-NLS-0$
 			var delta = 0;
 			var variables = this.variables;
 			var segments = this.segments, proposal = [];
 			for (var i = 0; i < segments.length; i++) {
 				var segment = segments[i];
 				var variable = variables[segment];
 				if (variable !== undefined) {
 					switch (segment) {
 						case tabVar:
 							segment = tab;
 							break;
 						case delimiterVar:
 							segment = delimiter;
 							break;
 						case cursorVar:
 							segment = "";
 							escapePosition = delta;
 							break;
 						default:
 							var g = groups[segment];
 							if (!g) {
 								g = groups[segment] = {data: variable.data, positions: []};
 							}
 							segment = variable.substitution;
 							if (g.data && g.data.values) { segment = g.data.values[0]; }
 							g.positions.push({
 								offset: startOffset + delta,
 								length: segment.length
 							});
 					}
 				}
 				proposal.push(segment);
 				delta += segment.length;
 			}
 			var newGroups = [];
 			for (var p in groups) {
 				if (groups.hasOwnProperty(p)) {
 					newGroups.push(groups[p]);
 				}
 			}
 			proposal = proposal.join("");
 			if (escapePosition === undefined) {
 				escapePosition = proposal.length;
 			}
 			return {
 				proposal: proposal,
 				description: this.description,
 				groups: newGroups,
 				escapePosition: startOffset + escapePosition
 			};
 		},
 		match: function(prefix) {
 			return this.prefix.indexOf(prefix) === 0;
 		},
 		_parse: function() {
 			var template = this.template;
 			var segments = [], variables = {}, segment, start = 0;
 			template = template.replace(/\n/g, delimiterVar);
 			template = template.replace(/\t/g, tabVar);
 			template.replace(/\$\{((?:[^\\}]+|\\.))*\}/g, function(group, text1, index) {
 				var text = group.substring(2,group.length-1);
 				var variable = group, substitution = text, data = null;
 				var colon = substitution.indexOf(":"); //$NON-NLS-0$
 				if (colon !== -1) {
 					substitution = substitution.substring(0, colon);
 					variable = "${"+ substitution + "}"; //$NON-NLS-1$ //$NON-NLS-0$
 					data = JSON.parse(text.substring(colon + 1).replace("\\}", "}").trim()); //$NON-NLS-1$ //$NON-NLS-0$
 				}
 				var v = variables[variable];
 				if (!v) { v = variables[variable] = {}; }
 				v.substitution = substitution;
 				if (data) {
 					v.data = data;
 				}
 				segment = template.substring(start, index);
 				if (segment) { segments.push(segment); }
 				segments.push(variable);
 				start = index + group.length;
 				return substitution;
 			});
 			segment = template.substring(start, template.length);
 			if (segment) { segments.push(segment); }
 			this.segments = segments;
 			this.variables = variables;
 		}
 	};

 	function TemplateContentAssist (keywords, templates) {
 		this._keywords = keywords || [];
 		this._templates = [];
 		this.addTemplates(templates || []);
 	}
 	TemplateContentAssist.prototype = /** @lends orion.editor.TemplateContentAssist.prototype */ {
 		addTemplates: function(json) {
 			var templates = this.getTemplates();
 			for (var j = 0; j < json.length; j++) {
 				templates.push(new Template(json[j].prefix, json[j].description, json[j].template));
 			}
 		},
 		computeProposals: function(buffer, offset, context) {
 			var prefix = this.getPrefix(buffer, offset, context);
 			var proposals = [];
 			if (!this.isValid(prefix, buffer, offset, context)) {
 				return proposals;
 			}
 			proposals = proposals.concat(this.getTemplateProposals(prefix, offset, context));
 			proposals = proposals.concat(this.getKeywordProposals(prefix));
 			return proposals;
 		},
 		getKeywords: function() {
 			return this._keywords;
 		},
 		getKeywordProposals: function(prefix) {
 			var proposals = [];
 			var keywords = this.getKeywords();
 			if (keywords) {
 				for (var i = 0; i < keywords.length; i++) {
 					if (keywords[i].indexOf(prefix) === 0) {
 						proposals.push({proposal: chop(prefix, keywords[i]), description: keywords[i]});
 					}
 				}
 			}
 			return proposals;
 		},
 		getPrefix: function(buffer, offset, context) {
 			return context.prefix;
 		},
 		getTemplates: function() {
 			return this._templates;
 		},
 		getTemplateProposals: function(prefix, offset, context) {
 			var proposals = [];
 			var templates = this.getTemplates();
 			for (var t = 0; t < templates.length; t++) {
 				var template = templates[t];
 				if (template.match(prefix)) {
 					var proposal = template.getProposal(prefix, offset, context);
 					this.removePrefix(prefix, proposal);
 					proposals.push(proposal);
 				}
 			}
 			return proposals;
 		},
 		removePrefix: function(prefix, proposal) {
 			var overwrite = proposal.overwrite = proposal.proposal.substring(0, prefix.length) !== prefix;
 			if (!overwrite) {
 				proposal.proposal = chop(prefix, proposal.proposal);
 			}
 		},
 		isValid: function(prefix, buffer, offset, context) {
 			return true;
 		}
 	};

 	return {
 		Template: Template,
 		TemplateContentAssist: TemplateContentAssist
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */

 define("orion/editor/linkedMode", [ //$NON-NLS-0$
 	'i18n!orion/editor/nls/messages', //$NON-NLS-0$
 	'orion/keyBinding', //$NON-NLS-0$
 	'orion/editor/keyModes', //$NON-NLS-0$
 	'orion/editor/annotations', //$NON-NLS-0$
 	'orion/editor/templates', //$NON-NLS-0$
 	'orion/objects', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(messages, mKeyBinding, mKeyModes, mAnnotations, mTemplates, objects) {

 	var exports = {};

 	function LinkedMode(editor, undoStack, contentAssist) {
 		var textView = editor.getTextView();
 		mKeyModes.KeyMode.call(this, textView);
 		this.editor = editor;
 		this.undoStack = undoStack;
 		this.contentAssist = contentAssist;

 		this.linkedModeModel = null;

 		textView.setAction("linkedModeEnter", function() { //$NON-NLS-0$
 			this.exitLinkedMode(true);
 			return true;
 		}.bind(this));
 		textView.setAction("linkedModeCancel", function() { //$NON-NLS-0$
 			this.exitLinkedMode(false);
 			return true;
 		}.bind(this));
 		textView.setAction("linkedModeNextGroup", function() { //$NON-NLS-0$
 			var model = this.linkedModeModel;
 			this.selectLinkedGroup((model.selectedGroupIndex + 1) % model.groups.length);
 			return true;
 		}.bind(this));
 		textView.setAction("linkedModePreviousGroup", function() { //$NON-NLS-0$
 			var model = this.linkedModeModel;
 			this.selectLinkedGroup(model.selectedGroupIndex > 0 ? model.selectedGroupIndex-1 : model.groups.length-1);
 			return true;
 		}.bind(this));

 		/**
 		 * Listener called when Linked Mode is active. Updates position's offsets and length
 		 * on user change. Also escapes the Linked Mode if the text buffer was modified outside of the Linked Mode positions.
 		 */
 		this.linkedModeListener = {

 			onActivating: function(event) {
 				if (this._groupContentAssistProvider) {
 					this.contentAssist.setProviders([this._groupContentAssistProvider]);
 					this.contentAssist.setProgress(null);
 				}
 			}.bind(this),

 			onModelChanged: function(event) {
 				if (this.ignoreVerify) { return; }

 				// Get the position being modified
 				var model = this.linkedModeModel, positionChanged, changed;
 				while (model) {
 					positionChanged = this._getPositionChanged(model, event.start, event.start + event.removedCharCount);
 					changed = positionChanged.position;
 					if (changed === undefined || changed.model !== model) {
 						// The change has been done outside of the positions, exit the Linked Mode
 						this.exitLinkedMode(false);
 						model = this.linkedModeModel;
 					} else {
 						break;
 					}
 				}
 				if (!model) { return; }

 				// Update position offsets for this change. Group changes are done in #onVerify
 				var deltaCount = 0;
 				var changeCount = event.addedCharCount - event.removedCharCount;
 				var sortedPositions = positionChanged.positions, position, pos;
 				for (var i = 0; i < sortedPositions.length; ++i) {
 					pos = sortedPositions[i];
 					position = pos.position;
 					var inside = position.offset <= event.start && event.start <= position.offset + position.length;
 					if (inside && !pos.ansestor) {
 						position.offset += deltaCount;
 						position.length += changeCount;
 						deltaCount += changeCount;
 					} else {
 						position.offset += deltaCount;
 						if (pos.ansestor && inside) {
 							position.length += changeCount;
 						}
 					}
 					if (pos.escape) {
 						pos.model.escapePosition = position.offset;
 					}
 				}
 				this._updateAnnotations(sortedPositions);
 			}.bind(this),

 			onVerify: function(event) {
 				if (this.ignoreVerify) { return; }

 				// Get the position being modified
 				var model = this.linkedModeModel, positionChanged, changed;
 				while (model) {
 					positionChanged = this._getPositionChanged(model, event.start, event.end);
 					changed = positionChanged.position;
 					if (changed === undefined || changed.model !== model) {
 						// The change has been done outside of the positions, exit the Linked Mode
 						this.exitLinkedMode(false);
 						model = this.linkedModeModel;
 					} else {
 						break;
 					}
 				}
 				if (!model) { return; }

 				// Make sure changes in a same group are compound
 				var undo = this._compoundChange;
 				if (undo) {
 					if (!(undo.owner.model === model && undo.owner.group === changed.group)) {
 						this.endUndo();
 						this.startUndo();
 					}
 				} else {
 					this.startUndo();
 				}

 				model.selectedGroupIndex = changed.group;

 				// Update position offsets taking into account all positions in the same changing group
 				var deltaCount = 0;
 				var changeCount = event.text.length - (event.end - event.start);
 				var sortedPositions = positionChanged.positions, position, pos;
 				var deltaStart = event.start - changed.position.offset, deltaEnd = event.end - changed.position.offset;
 				for (var i = 0; i < sortedPositions.length; ++i) {
 					pos = sortedPositions[i];
 					position = pos.position;
 					pos.oldOffset = position.offset;
 					if (pos.model === model && pos.group === changed.group) {
 						position.offset += deltaCount;
 						position.length += changeCount;
 						deltaCount += changeCount;
 					} else {
 						position.offset += deltaCount;
 						if (pos.ansestor) {
 							position.length += changed.count * changeCount;
 						}
 					}
 					if (pos.escape) {
 						pos.model.escapePosition = position.offset;
 					}
 				}

 				// Cancel this modification and apply same modification to all positions in changing group
 				this.ignoreVerify = true;
 				var textView = this.editor.getTextView();
 				for (i = sortedPositions.length - 1; i >= 0; i--) {
 					pos = sortedPositions[i];
 					if (pos.model === model && pos.group === changed.group) {
 						textView.setText(event.text, pos.oldOffset + deltaStart , pos.oldOffset + deltaEnd);
 					}
 				}
 				this.ignoreVerify = false;
 				event.text = null;
 				this._updateAnnotations(sortedPositions);
 			}.bind(this)
 		};
 	}
 	LinkedMode.prototype = new mKeyModes.KeyMode();
 	objects.mixin(LinkedMode.prototype, {
 		createKeyBindings: function() {
 			var KeyBinding = mKeyBinding.KeyBinding;
 			var bindings = [];
 			bindings.push({actionID: "linkedModeEnter", keyBinding: new KeyBinding(13)}); //$NON-NLS-0$
 			bindings.push({actionID: "linkedModeCancel", keyBinding: new KeyBinding(27)}); //$NON-NLS-0$
 			bindings.push({actionID: "linkedModeNextGroup", keyBinding: new KeyBinding(9)}); //$NON-NLS-0$
 			bindings.push({actionID: "linkedModePreviousGroup", keyBinding: new KeyBinding(9, false, true)}); //$NON-NLS-0$
 			return bindings;
 		},
 		/**
 		 * Starts Linked Mode, selects the first position and registers the listeners.
 		 * @param {Object} linkedModeModel An object describing the model to be used by linked mode.
 		 * Contains one or more position groups. If a position in a group is edited, the other positions in
 		 * the same group are edited the same way. The model structure is as follows:
 		 * <pre>{
 		 *		groups: [{
 		 *			data: {},
 		 *			positions: [{
 		 *				offset: 10, // Relative to the text buffer
 		 *				length: 3
 		 *			}]
 		 *		}],
 		 *		escapePosition: 19, // Relative to the text buffer
 		 * }</pre>
 		 *
 		 * Each group in the model has an optional <code>data</code> property which can be
 		 * used to provide additional content assist for the group.  The <code>type</code> in
 		 * data determines what kind of content assist is provided. These are the support
 		 * structures for the <code>data</code> property.
 		 * <pre>{
 		 *		type: "link"
 		 *		values: ["proposal0", "proposal1", ...]
 		 * }</pre>
 		 *
 		 * The "link" data struture provides static content assist proposals stored in the
 		 * <code>values</code> property.
 		 *
 		 * <p>
 		 * <b>See:</b><br/>
 		 * {@link orion.editor.Template}<br/>
 		 * {@link orion.editor.TemplateContentAssist}<br/>
 		 * </p>
 		 */
 		enterLinkedMode: function(linkedModeModel) {
 			if (!this.linkedModeModel) {
 				var textView = this.editor.getTextView();
 				textView.addKeyMode(this);
 				textView.addEventListener("Verify", this.linkedModeListener.onVerify); //$NON-NLS-0$
 				textView.addEventListener("ModelChanged", this.linkedModeListener.onModelChanged); //$NON-NLS-0$
 				var contentAssist = this.contentAssist;
 				contentAssist.addEventListener("Activating", this.linkedModeListener.onActivating); //$NON-NLS-0$
 				this.editor.reportStatus(messages.linkedModeEntered, null, true);
 			}
 			this._sortedPositions = null;
 			if (this.linkedModeModel) {
 				linkedModeModel.previousModel = this.linkedModeModel;
 				linkedModeModel.parentGroup = this.linkedModeModel.selectedGroupIndex;
 				this.linkedModeModel.nextModel = linkedModeModel;
 			}
 			this.linkedModeModel = linkedModeModel;
 			this.selectLinkedGroup(0);
 		},
 		/**
 		 * Exits Linked Mode. Optionally places the caret at linkedMode escapePosition.
 		 * @param {Boolean} [escapePosition=false] if true, place the caret at the  escape position.
 		 */
 		exitLinkedMode: function(escapePosition) {
 			if (!this.isActive()) {
 				return;
 			}
 			if (this._compoundChange) {
 				this.endUndo();
 				this._compoundChange = null;
 			}
 			this._sortedPositions = null;
 			var model = this.linkedModeModel;
 			this.linkedModeModel = model.previousModel;
 			model.parentGroup = model.previousModel = undefined;
 			if (this.linkedModeModel) {
 				this.linkedModeModel.nextModel = undefined;
 			}
 			if (!this.linkedModeModel) {
 				var textView = this.editor.getTextView();
 				textView.removeKeyMode(this);
 				textView.removeEventListener("Verify", this.linkedModeListener.onVerify); //$NON-NLS-0$
 				textView.removeEventListener("ModelChanged", this.linkedModeListener.onModelChanged); //$NON-NLS-0$
 				var contentAssist = this.contentAssist;
 				contentAssist.removeEventListener("Activating", this.linkedModeListener.onActivating); //$NON-NLS-0$
 				contentAssist.offset = undefined;
 				this.editor.reportStatus(messages.linkedModeExited, null, true);
 				if (escapePosition) {
 					textView.setCaretOffset(model.escapePosition, false);
 				}
 			}
 			this.selectLinkedGroup(0);
 		},
 		startUndo: function() {
 			if (this.undoStack) {
 				var self = this;
 				var model = this.linkedModeModel;
 				this._compoundChange = this.undoStack.startCompoundChange({
 					model: model,
 					group: model.selectedGroupIndex,
 					end: function() {
 						self._compoundChange = null;
 					}
 				});
 			}
 		},
 		endUndo: function() {
 			if (this.undoStack) {
 				this.undoStack.endCompoundChange();
 			}
 		},
 		isActive: function() {
 			return !!this.linkedModeModel;
 		},
 		isStatusActive: function() {
 			return !!this.linkedModeModel;
 		},
 		selectLinkedGroup: function(index) {
 			var model = this.linkedModeModel;
 			if (model) {
 				model.selectedGroupIndex = index;
 				var group = model.groups[index];
 				var position = group.positions[0];
 				var textView = this.editor.getTextView();
 				textView.setSelection(position.offset, position.offset + position.length);
 				var contentAssist = this.contentAssist;
 				if (contentAssist) {
 					contentAssist.offset = undefined;
 					if (group.data && group.data.type === "link" && group.data.values) { //$NON-NLS-0$
 						var provider = this._groupContentAssistProvider = new mTemplates.TemplateContentAssist(group.data.values);
 						provider.getPrefix = function() {
 							var selection = textView.getSelection();
 							if (selection.start === selection.end) {
 								var caretOffset = textView.getCaretOffset();
 								if (position.offset <= caretOffset && caretOffset <= position.offset + position.length) {
 									return textView.getText(position.offset, caretOffset);
 								}
 							}
 							return "";
 						};
 						contentAssist.offset = position.offset;
 						contentAssist.deactivate();
 						contentAssist.activate();
 					} else if (this._groupContentAssistProvider) {
 						this._groupContentAssistProvider = null;
 						contentAssist.deactivate();
 					}
 				}
 			}
 			this._updateAnnotations();
 		},
 		_getModelPositions: function(all, model, delta) {
 			var groups = model.groups;
 			for (var i = 0; i < groups.length; i++) {
 				var positions = groups[i].positions;
 				for (var j = 0; j < positions.length; j++) {
 					var position = positions[j];
 					if (delta) {
 						position = {offset: position.offset + delta, length: position.length};
 					}
 					var pos = {
 						index: j,
 						group: i,
 						count: positions.length,
 						model: model,
 						position: position
 					};
 					all.push(pos);
 					if (model.nextModel && model.nextModel.parentGroup === i) {
 						pos.ansestor = true;
 						this._getModelPositions(all, model.nextModel, (delta || 0) + positions[j].offset - positions[0].offset);
 					}
 				}
 			}
 		},
 		_getSortedPositions: function(model) {
 			var all = this._sortedPositions;
 			if (!all) {
 				all = [];
 				// Get the root linked model
 				while (model.previousModel) {
 					model = model.previousModel;
 				}
 				// Get all positions under model expanding group positions of stacked linked modes
 				this._getModelPositions(all, model);
 				// Add escape position for all models
 				while (model) {
 					if (model.escapePosition !== undefined) {
 						all.push({
 							escape: true,
 							model: model,
 							position: {offset: model.escapePosition, length: 0}
 						});
 					}
 					model = model.nextModel;
 				}
 				all.sort(function(a, b) {
 					return a.position.offset - b.position.offset;
 				});
 				this._sortedPositions = all;
 			}
 			return all;
 		},
 		_getPositionChanged: function(model, start, end) {
 			var changed;
 			var sortedPositions = this._getSortedPositions(model);
 			for (var i = sortedPositions.length - 1; i >= 0; i--) {
 				var position = sortedPositions[i].position;
 				if (position.offset <= start && end <= position.offset + position.length) {
 					changed = sortedPositions[i];
 					break;
 				}
 			}
 			return {position: changed, positions: sortedPositions};
 		},
 		_updateAnnotations: function(positions) {
 			var annotationModel = this.editor.getAnnotationModel();
 			if (!annotationModel) { return; }
 			var remove = [], add = [];
 			var textModel = annotationModel.getTextModel();
 			var annotations = annotationModel.getAnnotations(0, textModel.getCharCount()), annotation;
 			while (annotations.hasNext()) {
 				annotation = annotations.next();
 				switch (annotation.type) {
 					case mAnnotations.AnnotationType.ANNOTATION_LINKED_GROUP:
 					case mAnnotations.AnnotationType.ANNOTATION_CURRENT_LINKED_GROUP:
 					case mAnnotations.AnnotationType.ANNOTATION_SELECTED_LINKED_GROUP:
 						remove.push(annotation);
 				}
 			}
 			var model = this.linkedModeModel;
 			if (model) {
 				positions = positions || this._getSortedPositions(model);
 				for (var i = 0; i < positions.length; i++) {
 					var position = positions[i];
 					if (position.model !== model) { continue; }
 					var type = mAnnotations.AnnotationType.ANNOTATION_LINKED_GROUP;
 					if (position.group === model.selectedGroupIndex) {
 						if (position.index === 0) {
 							type = mAnnotations.AnnotationType.ANNOTATION_SELECTED_LINKED_GROUP;
 						} else {
 							type = mAnnotations.AnnotationType.ANNOTATION_CURRENT_LINKED_GROUP;
 						}
 					}
 					position = position.position;
 					annotation = mAnnotations.AnnotationType.createAnnotation(type, position.offset, position.offset + position.length, "");
 					add.push(annotation);
 				}
 			}
 			annotationModel.replaceAnnotations(remove, add);
 		}
 	});
 	exports.LinkedMode = LinkedMode;

 	return exports;
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */

 define("orion/editor/factories", [ //$NON-NLS-0$
 	'orion/editor/actions', //$NON-NLS-0$
 	'orion/editor/undoStack', //$NON-NLS-0$
 	'orion/editor/rulers', //$NON-NLS-0$
 	'orion/editor/annotations', //$NON-NLS-0$
 	'orion/editor/textDND', //$NON-NLS-0$
 	'orion/editor/linkedMode' //$NON-NLS-0$
 ], function(mActions, mUndoStack, mRulers, mAnnotations, mTextDND, mLinkedMode) {

 	var exports = {};

 	function KeyBindingsFactory() {
 	}
 	KeyBindingsFactory.prototype = {
 		createKeyBindings: function(editor, undoStack, contentAssist, searcher) {
 			// Create keybindings for generic editing, no dependency on the service model
 			var textActions = new mActions.TextActions(editor, undoStack , searcher);
 			// Linked Mode
 			var linkedMode = new mLinkedMode.LinkedMode(editor, undoStack, contentAssist);
 			// create keybindings for source editing
 			// TODO this should probably be something that happens more dynamically, when the editor changes input
 			var sourceCodeActions = new mActions.SourceCodeActions(editor, undoStack, contentAssist, linkedMode);
 			return {
 				textActions: textActions,
 				linkedMode: linkedMode,
 				sourceCodeActions: sourceCodeActions
 			};
 		}
 	};
 	exports.KeyBindingsFactory = KeyBindingsFactory;

 	function UndoFactory() {
 	}
 	UndoFactory.prototype = {
 		createUndoStack: function(editor) {
 			var textView = editor.getTextView();
 			return new mUndoStack.UndoStack(textView, 200);
 		}
 	};
 	exports.UndoFactory = UndoFactory;

 	function LineNumberRulerFactory() {
 	}
 	LineNumberRulerFactory.prototype = {
 		createLineNumberRuler: function(annotationModel) {
 			return new mRulers.LineNumberRuler(annotationModel, "left", {styleClass: "ruler lines"}, {styleClass: "rulerLines odd"}, {styleClass: "rulerLines even"}); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		}
 	};
 	exports.LineNumberRulerFactory = LineNumberRulerFactory;

 	function FoldingRulerFactory() {
 	}
 	FoldingRulerFactory.prototype = {
 		createFoldingRuler: function(annotationModel) {
 			return new mRulers.FoldingRuler(annotationModel, "left", {styleClass: "ruler folding"}); //$NON-NLS-1$ //$NON-NLS-0$
 		}
 	};
 	exports.FoldingRulerFactory = FoldingRulerFactory;

 	function AnnotationFactory() {
 	}
 	AnnotationFactory.prototype = {
 		createAnnotationModel: function(model) {
 			return new mAnnotations.AnnotationModel(model);
 		},
 		createAnnotationStyler: function(annotationModel, view) {
 			return new mAnnotations.AnnotationStyler(annotationModel, view);
 		},
 		createAnnotationRulers: function(annotationModel) {
 			var annotationRuler = new mRulers.AnnotationRuler(annotationModel, "left", {styleClass: "ruler annotations"}); //$NON-NLS-1$ //$NON-NLS-0$
 			var overviewRuler = new mRulers.OverviewRuler(annotationModel, "right", {styleClass: "ruler overview"}); //$NON-NLS-1$ //$NON-NLS-0$
 			return {annotationRuler: annotationRuler, overviewRuler: overviewRuler};
 		}
 	};
 	exports.AnnotationFactory = AnnotationFactory;

 	function TextDNDFactory() {
 	}
 	TextDNDFactory.prototype = {
 		createTextDND: function(editor, undoStack) {
 			return new mTextDND.TextDND(editor.getTextView(), undoStack);
 		}
 	};
 	exports.TextDNDFactory = TextDNDFactory;

 	return exports;
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */

 define("orion/editor/editorFeatures", [ //$NON-NLS-0$
 	'orion/editor/factories', //$NON-NLS-0$
 	'orion/editor/actions', //$NON-NLS-0$
 	'orion/editor/linkedMode' //$NON-NLS-0$
 ], function(mFactories, mActions, mLinkedMode) {

 	var exports = {};

 	exports.KeyBindingsFactory = mFactories.KeyBindingsFactory;

 	exports.UndoFactory = mFactories.UndoFactory;

 	exports.LineNumberRulerFactory = mFactories.LineNumberRulerFactory;

 	exports.FoldingRulerFactory = mFactories.FoldingRulerFactory;

 	exports.AnnotationFactory = mFactories.AnnotationFactory;

 	exports.TextDNDFactory = mFactories.TextDNDFactory;

 	exports.TextActions = mActions.TextActions;

 	exports.SourceCodeActions = mActions.SourceCodeActions;

 	exports.LinkedMode = mLinkedMode.LinkedMode;

 	return exports;
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/
 /*global exports module define setTimeout*/

 (function(root, factory) { // UMD
 	if (typeof define === "function" && define.amd) { //$NON-NLS-0$
 		define('orion/Deferred',factory);
 	} else if (typeof exports === "object") { //$NON-NLS-0$
 		module.exports = factory();
 	} else {
 		root.orion = root.orion || {};
 		root.orion.Deferred = factory();
 	}
 }(this, function() {
 	var syncQueue = [],
 		asyncQueue = [],
 		running = false;

 	function run() {
 		var fn;
 		while ((fn = syncQueue.shift() || asyncQueue.shift())) { //empty the sync queue first!!
 			fn();
 		}
 		running = false;
 	}

 	function enqueue(fn, async) {
 		var queue = async ? asyncQueue : syncQueue;
 		queue.push(fn);
 		if (!running) {
 			running = true;
 			if (async) {
 				setTimeout(run, 0);
 			} else {
 				run();
 			}
 		}
 	}

 	function noReturn(fn) {
 		return function() {
 			fn.apply(null, arguments);
 		};
 	}

 	function noop() {}

 	function createCancelError() {
 		var cancelError = new Error("Cancel"); //$NON-NLS-0$
 		cancelError.name = "Cancel"; //$NON-NLS-0$
 		return cancelError;
 	}

 	/**
 	 * @name orion.Promise
 	 * @class Interface representing an eventual value.
 	 * @description Promise is an interface that represents an eventual value returned from the single completion of an operation.
 	 *
 	 * <p>For a concrete class that implements Promise and provides additional API, see {@link orion.Deferred}.</p>
 	 * @see orion.Deferred
 	 * @see orion.Deferred#promise
 	 */
 	/**
 	 * @name then
 	 * @methodOf orion.Promise.prototype
 	 * @description Adds handlers to be called on fulfillment or progress of this promise.
 	 * @param {Function} [onResolve] Called when this promise is resolved.
 	 * @param {Function} [onReject] Called when this promise is rejected.
 	 * @param {Function} [onProgress] May be called to report progress events on this promise.
 	 * @returns {orion.Promise} A new promise that is fulfilled when the given <code>onResolve</code> or <code>onReject</code>
 	 * callback is finished. The callback's return value gives the fulfillment value of the returned promise.
 	 */
 	/**
 	 * Cancels this promise.
 	 * @name cancel
 	 * @methodOf orion.Promise.prototype
 	 * @param {Object} reason The reason for canceling this promise.
 	 * @param {Boolean} [strict]
 	 */

 	/**
 	 * @name orion.Deferred
 	 * @borrows orion.Promise#then as #then
 	 * @borrows orion.Promise#cancel as #cancel
 	 * @class Provides abstraction over asynchronous operations.
 	 * @description Deferred provides abstraction over asynchronous operations.
 	 *
 	 * <p>Because Deferred implements the {@link orion.Promise} interface, a Deferred may be used anywhere a Promise is called for.
 	 * However, in most such cases it is recommended to use the Deferred's {@link #promise} field instead, which exposes a
 	 * simplified, minimally <a href="https://github.com/promises-aplus/promises-spec">Promises/A+</a>-compliant interface to callers.</p>
 	 */
 	function Deferred() {
 		var result, state, listeners = [],
 			_this = this;

 		function notify() {
 			var listener;
 			while ((listener = listeners.shift())) {
 				var deferred = listener.deferred;
 				var methodName = state === "resolved" ? "resolve" : "reject"; //$NON-NLS-0$ //$NON-NLS-1$ //$NON-NLS-2$
 				if (typeof listener[methodName] === "function") { //$NON-NLS-0$
 					try {
 						var listenerResult = listener[methodName](result);
 						if (listenerResult && typeof listenerResult.then === "function") { //$NON-NLS-0$
 							deferred.cancel = listenerResult.cancel || noop;
 							listenerResult.then(noReturn(deferred.resolve), noReturn(deferred.reject), deferred.progress);
 						} else {
 							deferred.resolve(listenerResult);
 						}
 					} catch (e) {
 						deferred.reject(e);
 					}
 				} else {
 					deferred[methodName](result);
 				}
 			}
 		}

 		/**
 		 * Rejects this Deferred.
 		 * @name reject
 		 * @methodOf orion.Deferred.prototype
 		 * @param {Object} error
 		 * @param {Boolean} [strict]
 		 * @returns {orion.Promise}
 		 */
 		this.reject = function(error, strict) {
 			if (!state) {
 				state = "rejected"; //$NON-NLS-0$
 				result = error;
 				if (listeners.length) {
 					enqueue(notify);
 				}
 			}
 			return _this.promise;
 		};

 		/**
 		 * Resolves this Deferred.
 		 * @name resolve
 		 * @methodOf orion.Deferred.prototype
 		 * @param {Object} value
 		 * @param {Boolean} [strict]
 		 * @returns {orion.Promise}
 		 */
 		this.resolve = function(value, strict) {
 			if (!state) {
 				state = "resolved"; //$NON-NLS-0$
 				result = value;
 				if (listeners.length) {
 					enqueue(notify);
 				}
 			}
 			return _this.promise;
 		};

 		/**
 		 * Notifies listeners of progress on this Deferred.
 		 * @name progress
 		 * @methodOf orion.Deferred.prototype
 		 * @param {Object} update The progress update.
 		 * @param {Boolean} [strict]
 		 * @returns {orion.Promise}
 		 */
 		this.progress = function(update, strict) {
 			if (!state) {
 				listeners.forEach(function(listener) {
 					if (listener.progress) {
 						listener.progress(update);
 					}
 				});
 			}
 			return _this.promise;
 		};

 		this.cancel = function() {
 			if (!state) {
 				_this.reject(createCancelError());
 			}
 		};

 		// Note: "then" ALWAYS returns before having onResolve or onReject called as per http://promises-aplus.github.com/promises-spec/
 		this.then = function(onResolve, onReject, onProgress) {
 			var listener = {
 				resolve: onResolve,
 				reject: onReject,
 				progress: onProgress,
 				deferred: new Deferred()
 			};
 			var deferred = listener.deferred;
 			var propagated = false;
 			var propagateCancel = function() {
 				if (propagated) {
 					return;
 				}
 				propagated = true;
 				enqueue(function() {
 					var cancel = deferred.cancel === propagateCancel ? _this.cancel : deferred.cancel;
 					if (typeof cancel === "function") {
 						cancel();
 					}
 				}, true);
 			};
 			deferred.cancel = propagateCancel;
 			listeners.push(listener);
 			if (state) {
 				enqueue(notify, true); //runAsync
 			}
 			return deferred.promise;
 		};

 		/**
 		 * The promise exposed by this Deferred.
 		 * @name promise
 		 * @fieldOf orion.Deferred.prototype
 		 * @type orion.Promise
 		 */
 		this.promise = Object.create(Object.prototype, {
 			then: {
 				value: _this.then
 			},
 			cancel: {
 				get: function() {
 					return _this.cancel;
 				},
 				set: function(value) {
 					_this.cancel = value;
 				}
 			}
 		});
 	}

 	/**
 	 * Returns a promise that represents the outcome of all the input promises.
 	 * <p>When <code>all</code> is called with a single parameter, the returned promise has <dfn>eager</dfn> semantics,
 	 * meaning that if any input promise rejects, the returned promise immediately rejects, without waiting for the rest of the
 	 * input promises to fulfill.</p>
 	 *
 	 * To obtain <dfn>lazy</dfn> semantics (meaning the returned promise waits for every input promise to fulfill), pass the
 	 * optional parameter <code>optOnError</code>.
 	 * @name all
 	 * @methodOf orion.Deferred
 	 * @static
 	 * @param {orion.Promise[]} promises The input promises.
 	 * @param {Function} [optOnError] Handles a rejected input promise. <code>optOnError</code> is invoked for every rejected
 	 * input promise, and is passed the reason the input promise was rejected. <p><code>optOnError</code> can return a value, which
 	 * allows it to act as a transformer: the return value serves as the final fulfillment value of the rejected promise in the
 	 * results array generated by <code>all</code>.
 	 * @returns {orion.Promise} A new promise. The returned promise is generally fulfilled to an <code>Array</code> whose elements
 	 * give the fulfillment values of the input promises. <p>However, if an input promise rejects and eager semantics is used, the
 	 * returned promise will instead be fulfilled to a single error value.</p>
 	 */
 	Deferred.all = function(promises, optOnError) {
 		var count = promises.length,
 			result = [],
 			rejected = false,
 			deferred = new Deferred();

 		deferred.then(null, function() {
 			rejected = true;
 			promises.forEach(function(promise) {
 				if (promise.cancel) {
 					promise.cancel();
 				}
 			});
 		});

 		function onResolve(i, value) {
 			if (!rejected) {
 				result[i] = value;
 				if (--count === 0) {
 					deferred.resolve(result);
 				}
 			}
 		}

 		function onReject(i, error) {
 			if (!rejected) {
 				if (optOnError) {
 					try {
 						onResolve(i, optOnError(error));
 						return;
 					} catch (e) {
 						error = e;
 					}
 				}
 				deferred.reject(error);
 			}
 		}

 		if (count === 0) {
 			deferred.resolve(result);
 		} else {
 			promises.forEach(function(promise, i) {
 				promise.then(onResolve.bind(null, i), onReject.bind(null, i));
 			});
 		}
 		return deferred.promise;
 	};

 	/**
 	 * Applies callbacks to a promise or to a regular object.
 	 * @name when
 	 * @methodOf orion.Deferred
 	 * @static
 	 * @param {Object|orion.Promise} value Either a {@link orion.Promise}, or a normal value.
 	 * @param {Function} onResolve Called when the <code>value</code> promise is resolved. If <code>value</code> is not a promise,
 	 * this function is called immediately.
 	 * @param {Function} onReject Called when the <code>value</code> promise is rejected. If <code>value</code> is not a promise,
 	 * this function is never called.
 	 * @param {Function} onProgress Called when the <code>value</code> promise provides a progress update. If <code>value</code> is
 	 * not a promise, this function is never called.
 	 * @returns {orion.Promise} A new promise.
 	 */
 	Deferred.when = function(value, onResolve, onReject, onProgress) {
 		var promise, deferred;
 		if (value && typeof value.then === "function") { //$NON-NLS-0$
 			promise = value;
 		} else {
 			deferred = new Deferred();
 			deferred.resolve(value);
 			promise = deferred.promise;
 		}
 		return promise.then(onResolve, onReject, onProgress);
 	};

 	return Deferred;
 }));

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */
 /*jslint maxerr:150 browser:true devel:true */

 define("orion/editor/contentAssist", [ //$NON-NLS-0$
 	'i18n!orion/editor/nls/messages', //$NON-NLS-0$
 	'orion/keyBinding', //$NON-NLS-0$
 	'orion/editor/keyModes', //$NON-NLS-0$
 	'orion/editor/eventTarget', //$NON-NLS-0$
 	'orion/Deferred', //$NON-NLS-0$
 	'orion/objects', //$NON-NLS-0$
 	'orion/editor/util', //$NON-NLS-0$
 	'orion/util' //$NON-NLS-0$
 ], function(messages, mKeyBinding, mKeyModes, mEventTarget, Deferred, objects, textUtil, util) {
 	/**
 	 * @name orion.editor.ContentAssistProvider
 	 * @class Interface defining a provider of content assist proposals.
 	 */
 	/**
 	 * @methodOf orion.editor.ContentAssistProvider.prototype
 	 * @name computeProposals
 	 * @param {String} buffer The buffer being edited.
 	 * @param {Number} offset The position in the buffer at which content assist is being requested.
 	 * @param {orion.editor.ContentAssistProvider.Context} context
 	 * @returns {Object[]} This provider's proposals for the given buffer and offset.
 	 */
 	/**
 	 * @name orion.editor.ContentAssistProvider.Context
 	 * @class
 	 * @property {String} line The text of the line on which content assist is being requested.
 	 * @property {String} prefix Any non-whitespace, non-symbol characters preceding the offset.
 	 * @property {orion.editor.Selection} selection The current selection.
 	 */

 	/**
 	 * @name orion.editor.ContentAssist
 	 * @class Provides content assist for a TextView.
 	 * @description Creates a <code>ContentAssist</code> for a TextView. A ContentAssist consults a set of
 	 * {@link orion.editor.ContentAssistProvider}s to obtain proposals for text that may be inserted into a
 	 * TextView at a given offset.<p>
 	 * A ContentAssist is generally activated by its TextView action, at which point it computes the set of
 	 * proposals available. It will re-compute the proposals in response to subsequent changes on the TextView
 	 * (for example, user typing) for as long as the ContentAssist is active. A proposal may be applied by calling
 	 * {@link #apply}, after which the ContentAssist becomes deactivated. An active ContentAssist may be deactivated
 	 * by calling {@link #deactivate}.<p>
 	 * A ContentAssist dispatches events when it becomes activated or deactivated, and when proposals have been computed.
 	 * @param {orion.editor.TextView} textView The TextView to provide content assist for.
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	/**
 	 * Dispatched when a ContentAssist is about to be activated.
 	 * @name orion.editor.ContentAssist#ActivatingEvent
 	 * @event
 	 */
 	/**
 	 * Dispatched when a ContentAssist is about to be deactivated.
 	 * @name orion.editor.ContentAssist#DeactivatingEvent
 	 * @event
 	 */
 	/**
 	 * Dispatched when a ContentAssist has applied a proposal. <p>This event's <code>data</code> field gives information
 	 * about the proposal that was applied.
 	 * @name orion.editor.ContentAssist#ProposalAppliedEvent
 	 * @event
 	 */
 	/**
 	 * Dispatched whenever a ContentAssist has obtained proposals from its providers. <p>This event's
 	 * <code>data</code> field gives information about the proposals.
 	 * @name orion.editor.ContentAssist#ProposalsComputedEvent
 	 * @event
 	 */
 	// INACTIVE --Ctrl+Space--> ACTIVE --ModelChanging--> FILTERING
 	var State = {
 		INACTIVE: 1,
 		ACTIVE: 2,
 		FILTERING: 3
 	};

 	var STYLES = {
 		selected : " selected", //$NON-NLS-0$
 		hr : "proposal-hr", //$NON-NLS-0$
 		emphasis : "proposal-emphasis", //$NON-NLS-0$
 		noemphasis : "proposal-noemphasis", //$NON-NLS-0$
 		dfault : "proposal-default" //$NON-NLS-0$
 	};

 	function ContentAssist(textView) {
 		this.textView = textView;
 		this.state = State.INACTIVE;
 		this.providers = [];
 		var self = this;
 		this.contentAssistListener = {
 			onModelChanging: function(event) {
 				if (self.isDeactivatingChange(event)) {
 					self.setState(State.INACTIVE);
 				} else {
 					if (self.state === State.ACTIVE) {
 						self.setState(State.FILTERING);
 					}
 				}
 			},
 			onScroll: function(event) {
 				self.setState(State.INACTIVE);
 			},
 			onSelection: function(event) {
 				var state = self.state;
 				if (state === State.ACTIVE || state === State.FILTERING) {
 					self.computeProposals();
 					self.setState(State.FILTERING);
 				}
 			}
 		};
 		textView.setKeyBinding(util.isMac ? new mKeyBinding.KeyBinding(' ', false, false, false, true) : new mKeyBinding.KeyBinding(' ', true), "contentAssist"); //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		textView.setAction("contentAssist", function() { //$NON-NLS-0$
 			self.activate();
 			return true;
 		}, {name: messages.contentAssist});
 	}
 	ContentAssist.prototype = /** @lends orion.editor.ContentAssist.prototype */ {
 		/**
 		 * Applies the given proposal to the TextView.
 		 * @param {Object} [proposal]
 		 * @returns {Boolean} <code>true</code> if the proposal was applied; <code>false</code> if no proposal was provided.
 		 */
 		apply: function(proposal) {
 			if (!proposal) {
 				return false;
 			}

 			// now handle prefixes
 			// if there is a non-empty selection, then replace it,
 			// if overwrite is truthy, then also replace the prefix
 			var sel = this.textView.getSelection();
 			var start = Math.min(sel.start, sel.end);
 			var end = Math.max(sel.start, sel.end);
 			if (proposal.overwrite) {
 				start = this.getPrefixStart(start);
 			}

 			var data = {
 				proposal: proposal,
 				start: start,
 				end: end
 			};
 			this.setState(State.INACTIVE);
 			var proposalText = typeof proposal === "string" ? proposal : proposal.proposal; //$NON-NLS-0$
 			this.textView.setText(proposalText, start, end);
 			this.dispatchEvent({type: "ProposalApplied", data: data}); //$NON-NLS-0$
 			return true;
 		},
 		activate: function() {
 			if (this.state === State.INACTIVE) {
 				this.setState(State.ACTIVE);
 			}
 		},
 		deactivate: function() {
 			this.setState(State.INACTIVE);
 		},
 		/** @returns {orion.editor.TextView} */
 		getTextView: function() {
 			return this.textView;
 		},
 		/** @returns {Boolean} */
 		isActive: function() {
 			return this.state === State.ACTIVE || this.state === State.FILTERING;
 		},
 		/** @returns {Boolean} <code>true</code> if the event describes a change that should deactivate content assist. */
 		isDeactivatingChange: function(/**orion.editor.ModelChangingEvent*/ event) {
 			var deletion = event.removedCharCount > 0 && event.addedCharCount === 0,
 			    view = this.textView,
 			    overWhitespace = (event.start+1 <= view.getModel().getCharCount()) && /^\s*$/.test(view.getText(event.start, event.start+1));
 			return event.removedLineCount > 0 || event.addedLineCount > 0 || (deletion && overWhitespace);
 		},
 		/** @private */
 		setState: function(state) {
 			var eventType;
 			if (state === State.ACTIVE) {
 				eventType = "Activating"; //$NON-NLS-0$
 				if (this._mode) { this._mode.setActive(true); }

 			} else if (state === State.INACTIVE) {
 				eventType = "Deactivating"; //$NON-NLS-0$
 				if (this._mode) { this._mode.setActive(false); }
 			}
 			if (eventType) {
 				this.dispatchEvent({type: eventType});
 			}
 			this.state = state;
 			this.onStateChange(state);
 		},
 		setMode: function(mode) {
 			this._mode = mode;
 		},
 		/** @private */
 		onStateChange: function(state) {
 			if (state === State.INACTIVE) {
 				if (this.listenerAdded) {
 					this.textView.removeEventListener("ModelChanging", this.contentAssistListener.onModelChanging); //$NON-NLS-0$
 					this.textView.removeEventListener("Scroll", this.contentAssistListener.onScroll); //$NON-NLS-0$
 					this.textView.removeEventListener("Selection", this.contentAssistListener.onSelection); //$NON-NLS-0$
 					this.listenerAdded = false;
 				}
 			} else if (state === State.ACTIVE) {
 				if (!this.listenerAdded) {
 					this.textView.addEventListener("ModelChanging", this.contentAssistListener.onModelChanging); //$NON-NLS-0$
 					this.textView.addEventListener("Scroll", this.contentAssistListener.onScroll); //$NON-NLS-0$
 					this.textView.addEventListener("Selection", this.contentAssistListener.onSelection); //$NON-NLS-0$
 					this.listenerAdded = true;
 				}
 				this.computeProposals();
 			}
 		},
 		/**
 		 * Computes the proposals at the TextView's current caret offset.
 		 */
 		computeProposals: function() {
 			var self = this;
 			var offset = this.textView.getCaretOffset();
 			this._computeProposals(offset).then(function(proposals) {
 				if (!self.isActive()) { return; }
 				self.dispatchEvent({type: "ProposalsComputed", data: {proposals: proposals}}); //$NON-NLS-0$
 			});
 		},
 		/** @private */
 		getPrefixStart: function(end) {
 			var index = end;
 			while (index > 0 && /[A-Za-z0-9_]/.test(this.textView.getText(index - 1, index))) {
 				index--;
 			}
 			return index;
 		},
 		handleError: function(error) {
 			if (typeof console !== "undefined") { //$NON-NLS-0$
 				console.log("Error retrieving content assist proposals"); //$NON-NLS-0$
 				console.log(error);
 			}
 		},
 		/**
 		 * Retrieves the proposals at the given offset.
 		 * @private
 		 * @param {Number} offset The caret offset.
 		 * @returns {Deferred} A promise that will provide the proposals.
 		 */
 		_computeProposals: function(offset) {
 			var providers = this.providers;
 			var textView = this.textView, textModel = textView.getModel();
 			var buffer = textView.getText();
 			var line = textModel.getLine(textModel.getLineAtOffset(offset));
 			var index = 0;
 			while (index < line.length && /\s/.test(line.charAt(index))) {
 				index++;
 			}
 			var indentation = line.substring(0, index);
 			var options = textView.getOptions("tabSize", "expandTab"); //$NON-NLS-1$ //$NON-NLS-0$
 			var tab = options.expandTab ? new Array(options.tabSize + 1).join(" ") : "\t"; //$NON-NLS-1$ //$NON-NLS-0$
 			var context = {
 				line: line,
 				prefix: textView.getText(this.getPrefixStart(offset), offset),
 				selection: textView.getSelection(),
 				delimiter: textModel.getLineDelimiter(),
 				tab: tab,
 				indentation: indentation
 			};
 			var self = this;
 			var promises = providers.map(function(provider) {
 				//prefer computeProposals but support getProposals for backwards compatibility
 				var func = provider.computeProposals || provider.getProposals;
 				var proposals;
 				try {
 					if (typeof func === "function") { //$NON-NLS-0$
 						proposals = self.progress ? self.progress.progress(func.apply(provider, [buffer, offset, context]), "Generating content assist proposal"): func.apply(provider, [buffer, offset, context]);
 					}
 				} catch (e) {
 					self.handleError(e);
 				}
 				return Deferred.when(proposals);
 			});
 			return Deferred.all(promises, this.handleError).then(function(proposalArrays) {
 				return proposalArrays.reduce(function(prev, curr) {
 					return (curr instanceof Array) ? prev.concat(curr) : prev;
 				}, []);
 			});
 		},
 		/**
 		 * Sets the content assist providers that this ContentAssist will consult to obtain proposals.
 		 * @param {orion.editor.ContentAssistProvider[]} providers The providers.
 		 */
 		setProviders: function(providers) {
 			this.providers = providers.slice(0);
 		},

 		/**
 		 * Sets the progress handler that will display progress information, if any are generated by content assist providers.
 		 */
 		setProgress: function(progress){
 			this.progress = progress;
 		}
 	};
 	mEventTarget.EventTarget.addMixin(ContentAssist.prototype);

 	/**
 	 * @name orion.editor.ContentAssistMode
 	 * @class Editor mode for interacting with content assist proposals.
 	 * @description Creates a ContentAssistMode. A ContentAssistMode is a key mode for {@link orion.editor.Editor}
 	 * that provides interaction with content assist proposals retrieved from an {@link orion.editor.ContentAssist}.
 	 * Interaction is performed via the {@link #lineUp}, {@link #lineDown}, and {@link #enter} actions. An
 	 * {@link orion.editor.ContentAssistWidget} may optionally be provided to display which proposal is currently selected.
 	 * @param {orion.editor.ContentAssist} contentAssist
 	 * @param {orion.editor.ContentAssistWidget} [ContentAssistWidget]
 	 */
 	function ContentAssistMode(contentAssist, ContentAssistWidget) {
 		var textView = contentAssist.textView;
 		mKeyModes.KeyMode.call(this, textView);
 		this.contentAssist = contentAssist;
 		this.widget = ContentAssistWidget;
 		this.proposals = [];
 		var self = this;
 		this.contentAssist.addEventListener("ProposalsComputed", function(event) { //$NON-NLS-0$
 			self.proposals = event.data.proposals;
 			if (self.proposals.length === 0) {
 				self.selectedIndex = -1;
 				self.cancel();
 			} else {
 				self.selectedIndex = 0;
 			}
 		});
 		textView.setAction("contentAssistApply", function() { //$NON-NLS-0$
 			return this.enter();
 		}.bind(this));
 		textView.setAction("contentAssistCancel", function() { //$NON-NLS-0$
 			return this.cancel();
 		}.bind(this));
 		textView.setAction("contentAssistNextProposal", function() { //$NON-NLS-0$
 			return this.lineDown();
 		}.bind(this));
 		textView.setAction("contentAssistPreviousProposal", function() { //$NON-NLS-0$
 			return this.lineUp();
 		}.bind(this));
 		textView.setAction("contentAssistNextPage", function() { //$NON-NLS-0$
 			return this.pageDown();
 		}.bind(this));
 		textView.setAction("contentAssistPreviousPage", function() { //$NON-NLS-0$
 			return this.pageUp();
 		}.bind(this));
 		textView.setAction("contentAssistTab", function() { //$NON-NLS-0$
 			return this.tab();
 		}.bind(this));
 	}
 	ContentAssistMode.prototype = new mKeyModes.KeyMode();
 	objects.mixin(ContentAssistMode.prototype, {
 		createKeyBindings: function() {
 			var KeyBinding = mKeyBinding.KeyBinding;
 			var bindings = [];
 			bindings.push({actionID: "contentAssistApply", keyBinding: new KeyBinding(13)}); //$NON-NLS-0$
 			bindings.push({actionID: "contentAssistCancel", keyBinding: new KeyBinding(27)}); //$NON-NLS-0$
 			bindings.push({actionID: "contentAssistNextProposal", keyBinding: new KeyBinding(40)}); //$NON-NLS-0$
 			bindings.push({actionID: "contentAssistPreviousProposal", keyBinding: new KeyBinding(38)}); //$NON-NLS-0$
 			bindings.push({actionID: "contentAssistNextPage", keyBinding: new KeyBinding(34)}); //$NON-NLS-0$
 			bindings.push({actionID: "contentAssistPreviousPage", keyBinding: new KeyBinding(33)}); //$NON-NLS-0$
 			bindings.push({actionID: "contentAssistTab", keyBinding: new KeyBinding(9)}); //$NON-NLS-0$
 			return bindings;
 		},
 		cancel: function() {
 			this.getContentAssist().deactivate();
 		},
 		/** @private */
 		getContentAssist: function() {
 			return this.contentAssist;
 		},
 		isActive: function() {
 			return this.getContentAssist().isActive();
 		},
 		setActive: function(active) {
 			if (active) {
 				this.contentAssist.textView.addKeyMode(this);
 			} else {
 				this.contentAssist.textView.removeKeyMode(this);
 			}
 		},
 		lineUp: function() {
 			var newSelected = (this.selectedIndex === 0) ? this.proposals.length - 1 : this.selectedIndex - 1;
 			return this._lineUp(newSelected);
 		},
 		_lineUp: function(newSelected) {
 			while (this.proposals[newSelected].unselectable && newSelected > 0) {
 				newSelected--;
 			}
 			this.selectedIndex = newSelected;
 			if (this.widget) {
 				this.widget.setSelectedIndex(this.selectedIndex);
 			}
 			return true;
 		},
 		lineDown: function() {
 			var newSelected = (this.selectedIndex === this.proposals.length - 1) ? 0 : this.selectedIndex + 1;
 			return this._lineDown(newSelected);
 		},
 		_lineDown: function(newSelected) {
 			while (this.proposals[newSelected].unselectable && newSelected < this.proposals.length-1) {
 				newSelected++;
 			}
 			this.selectedIndex = newSelected;
 			if (this.widget) {
 				this.widget.setSelectedIndex(this.selectedIndex);
 			}
 			return true;
 		},
 		pageUp: function() {
 			if (this.widget) {
 				var newSelected = this.widget.getTopIndex();
 				if (newSelected === this.selectedIndex) {
 					this.widget.scrollIndex(newSelected, false);
 					newSelected = this.widget.getTopIndex();
 				}
 				return this._lineUp(newSelected);
 			} else {
 				return this.lineUp();
 			}
 		},
 		pageDown: function() {
 			if (this.widget) {
 				var newSelected = this.widget.getBottomIndex();
 				if (newSelected === this.selectedIndex) {
 					this.widget.scrollIndex(newSelected, true);
 					newSelected = this.widget.getBottomIndex();
 				}
 				return this._lineDown(newSelected);
 			} else {
 				return this.lineDown();
 			}
 		},
 		enter: function() {
 			var proposal = this.proposals[this.selectedIndex] || null;
 			return this.contentAssist.apply(proposal);
 		},
 		tab: function() {
 			if (this.widget) {
 				this.widget.createAccessible(this);
 				this.widget.parentNode.focus();
 				return true;
 			} else {
 				return false;
 			}
 		}
 	});

 	/**
 	 * @name orion.editor.ContentAssistWidget
 	 * @class Displays proposals from a {@link orion.editor.ContentAssist}.
 	 * @description Creates a ContentAssistWidget that will display proposals from the given {@link orion.editor.ContentAssist}
 	 * in the given <code>parentNode</code>. Clicking a proposal will cause the ContentAssist to apply that proposal.
 	 * @param {orion.editor.ContentAssist} contentAssist
 	 * @param {String|DomNode} [parentNode] The ID or DOM node to use as the parent for displaying proposals. If not provided,
 	 * a new DIV will be created inside &lt;body&gt; and assigned the CSS class <code>contentassist</code>.
 	 */
 	function ContentAssistWidget(contentAssist, parentNode) {
 		this.contentAssist = contentAssist;
 		this.textView = this.contentAssist.getTextView();
 		this.textViewListenerAdded = false;
 		this.isShowing = false;
 		var document = this.textView.getOptions("parent").ownerDocument; //$NON-NLS-0$
 		this.parentNode = typeof parentNode === "string" ? document.getElementById(parentNode) : parentNode; //$NON-NLS-0$
 		if (!this.parentNode) {
 			this.parentNode = util.createElement(document, "div"); //$NON-NLS-0$
 			this.parentNode.className = "contentassist"; //$NON-NLS-0$
 			var body = document.getElementsByTagName("body")[0]; //$NON-NLS-0$
 			if (body) {
 				body.appendChild(this.parentNode);
 			} else {
 				throw new Error("parentNode is required"); //$NON-NLS-0$
 			}
 		}
 		var self = this;
 		this.textViewListener = {
 			onMouseDown: function(event) {
 				if (event.event.target.parentElement !== self.parentNode) {
 					self.contentAssist.deactivate();
 				}
 				// ignore the event if this is a click inside of the parentNode
 				// the click is handled by the onClick() function
 			}
 		};
 		this.contentAssist.addEventListener("ProposalsComputed", function(event) { //$NON-NLS-0$
 			self.setProposals(event.data.proposals);
 			self.show();
 			if (!self.textViewListenerAdded) {
 				self.textView.addEventListener("MouseDown", self.textViewListener.onMouseDown); //$NON-NLS-0$
 				self.textViewListenerAdded = true;
 			}
 		});
 		this.contentAssist.addEventListener("Deactivating", function(event) { //$NON-NLS-0$
 			self.setProposals([]);
 			self.hide();
 			if (self.textViewListenerAdded) {
 				self.textView.removeEventListener("MouseDown", self.textViewListener.onMouseDown); //$NON-NLS-0$
 				self.textViewListenerAdded = false;
 			}
 			self.textViewListenerAdded = false;
 		});
 		this.scrollListener = function(e) {
 			if (self.isShowing) {
 				self.position();
 			}
 		};
 		textUtil.addEventListener(document, "scroll", this.scrollListener); //$NON-NLS-0$
 	}
 	ContentAssistWidget.prototype = /** @lends orion.editor.ContentAssistWidget.prototype */ {
 		/** @private */
 		onClick: function(e) {
 			if (!e) { e = window.event; }
 			this.contentAssist.apply(this.getProposal(e.target || e.srcElement));
 			this.textView.focus();
 		},
 		/** @private */
 		createDiv: function(proposal, isSelected, parent, itemIndex) {
 			var document = parent.ownerDocument;
 			var div = util.createElement(document, "div"); //$NON-NLS-0$
 			div.id = "contentoption" + itemIndex; //$NON-NLS-0$
 			div.setAttribute("role", "option"); //$NON-NLS-1$ //$NON-NLS-0$
 			var node;
 			if (proposal.style === "hr") { //$NON-NLS-0$
 				node = util.createElement(document, "hr"); //$NON-NLS-0$
 			} else {
 				div.className = this.calculateClasses(proposal.style, isSelected);
 				node = document.createTextNode(this.getDisplayString(proposal));
 				if (isSelected) {
 					this.parentNode.setAttribute("aria-activedescendant", div.id); //$NON-NLS-0$
 				}
 			}
 			div.appendChild(node, div);
 			parent.appendChild(div);
 		},
 		/** @private */
 		createAccessible: function(mode) {
 			if(!this._isAccessible) {
 				textUtil.addEventListener(this.parentNode, "keydown", function(evt) { //$NON-NLS-0$
 					if (!evt) { evt = window.event; }
 					if(evt.keyCode === 27) {return mode.cancel(); }
 					else if(evt.keyCode === 38) { return mode.lineUp(); }
 					else if(evt.keyCode === 40) { return mode.lineDown(); }
 					else if(evt.keyCode === 13) { return mode.enter(); }
 					if (evt.preventDefault) {
 						evt.preventDefault();
 					} else {
 						evt.cancelBubble = true;
 						evt.returnValue = false;
 						evt.keyCode = 0;
 					}
 					return false;
 				});
 			}
 			this._isAccessible = true;
 		},
 		/** @private */
 		calculateClasses : function(style, isSelected) {
 			var cssClass = STYLES[style];
 			if (!cssClass) {
 				cssClass = STYLES.dfault;
 			}
 			return isSelected ? cssClass + STYLES.selected : cssClass;
 		},
 		/** @private */
 		getDisplayString: function(proposal) {
 			//for simple string content assist, the display string is just the proposal
 			if (typeof proposal === "string") { //$NON-NLS-0$
 				return proposal;
 			}
 			//return the description if applicable
 			if (proposal.description && typeof proposal.description === "string") { //$NON-NLS-0$
 				return proposal.description;
 			}
 			//by default return the straight proposal text
 			return proposal.proposal;
 		},
 		/**
 		 * @private
 		 * @returns {Object} The proposal represented by the given node.
 		 */
 		getProposal: function(/**DOMNode*/ node) {
 			var nodeIndex = 0;
 			for (var child = this.parentNode.firstChild; child !== null; child = child.nextSibling) {
 				if (child === node) {
 					return this.proposals[nodeIndex] || null;
 				}
 				nodeIndex++;
 			}
 			return null;
 		},
 		/** @private */
 		getTopIndex: function() {
 			var nodes = this.parentNode.childNodes;
 			for (var i=0; i < nodes.length; i++) {
 				var child = nodes[i];
 				if (child.offsetTop >= this.parentNode.scrollTop) {
 					return i;
 				}
 			}
 			return 0;
 		},
 		/** @private */
 		getBottomIndex: function() {
 			var nodes = this.parentNode.childNodes;
 			for (var i=0; i < nodes.length; i++) {
 				var child = nodes[i];
 				if ((child.offsetTop + child.offsetHeight) > (this.parentNode.scrollTop + this.parentNode.clientHeight)) {
 					return Math.max(0, i - 1);
 				}
 			}
 			return nodes.length - 1;
 		},
 		/** @private */
 		scrollIndex: function(index, top) {
 			this.parentNode.childNodes[index].scrollIntoView(top);
 		},
 		/** Sets the index of the currently selected proposal. */
 		setSelectedIndex: function(/**Number*/ index) {
 			this.selectedIndex = index;
 			this.selectNode(this.parentNode.childNodes[this.selectedIndex]);
 		},
 		/** @private */
 		selectNode: function(/**DOMNode*/ node) {
 			var nodes = this.parentNode.childNodes;
 			for (var i=0; i < nodes.length; i++) {
 				var child = nodes[i];
 				var selIndex = child.className.indexOf(STYLES.selected);
 				if (selIndex >= 0) {
 					child.className = child.className.substring(0, selIndex) +
 							child.className.substring(selIndex + STYLES.selected.length);
 				}
 				if (child === node) {
 					child.className = child.className + STYLES.selected;
 					this.parentNode.setAttribute("aria-activedescendant", child.id); //$NON-NLS-0$
 					child.focus();
 					if (child.offsetTop < this.parentNode.scrollTop) {
 						child.scrollIntoView(true);
 					} else if ((child.offsetTop + child.offsetHeight) > (this.parentNode.scrollTop + this.parentNode.clientHeight)) {
 						child.scrollIntoView(false);
 					}
 				}
 			}
 		},
 		setProposals: function(/**Object[]*/ proposals) {
 			this.proposals = proposals;
 		},
 		show: function() {
 			if (this.proposals.length === 0) {
 				this.hide();
 				return;
 			}
 			this.parentNode.innerHTML = "";
 			for (var i = 0; i < this.proposals.length; i++) {
 				this.createDiv(this.proposals[i], i===0, this.parentNode, i);
 			}
 			this.position();
 			this.parentNode.onclick = this.onClick.bind(this);
 			this.isShowing = true;
 		},
 		hide: function() {
 			if(this.parentNode.ownerDocument.activeElement === this.parentNode) {
 				this.textView.focus();
 			}
 			this.parentNode.style.display = "none"; //$NON-NLS-0$
 			this.parentNode.onclick = null;
 			this.isShowing = false;
 		},
 		position: function() {
 			var contentAssist = this.contentAssist;
 			var offset = contentAssist.offset !== undefined ? contentAssist.offset : this.textView.getCaretOffset();
 			var caretLocation = this.textView.getLocationAtOffset(offset);
 			caretLocation.y += this.textView.getLineHeight();
 			this.textView.convert(caretLocation, "document", "page"); //$NON-NLS-1$ //$NON-NLS-0$
 			this.parentNode.style.position = "fixed"; //$NON-NLS-0$
 			this.parentNode.style.left = caretLocation.x + "px"; //$NON-NLS-0$
 			this.parentNode.style.top = caretLocation.y + "px"; //$NON-NLS-0$
 			this.parentNode.style.display = "block"; //$NON-NLS-0$
 			this.parentNode.scrollTop = 0;

 			// Make sure that the panel is never outside the viewport
 			var document = this.parentNode.ownerDocument;
 			var viewportWidth = document.documentElement.clientWidth,
 			    viewportHeight =  document.documentElement.clientHeight;
 			if (caretLocation.y + this.parentNode.offsetHeight > viewportHeight) {
 				this.parentNode.style.top = (caretLocation.y - this.parentNode.offsetHeight - this.textView.getLineHeight()) + "px"; //$NON-NLS-0$
 			}
 			if (caretLocation.x + this.parentNode.offsetWidth > viewportWidth) {
 				this.parentNode.style.left = (viewportWidth - this.parentNode.offsetWidth) + "px"; //$NON-NLS-0$
 			}
 		}
 	};
 	return {
 		ContentAssist: ContentAssist,
 		ContentAssistMode: ContentAssistMode,
 		ContentAssistWidget: ContentAssistWidget
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*global define*/

 define("orion/editor/keywords", [], function() { //$NON-NLS-0$

 	var JS_KEYWORDS = [
 		"break", //$NON-NLS-0$
 		"case", "class", "catch", "continue", "const", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"debugger", "default", "delete", "do", //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"else", "enum", "export", "extends", //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"false", "finally", "for", "function", //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"if", "implements", "import", "in", "instanceof", "interface", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"let", //$NON-NLS-0$
 		"new", "null", //$NON-NLS-1$ //$NON-NLS-0$
 		"package", "private", "protected", "public", //$NON-NLS-0$ //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 		"return", //$NON-NLS-0$
 		"static", "super", "switch", //$NON-NLS-0$ //$NON-NLS-1$ //$NON-NLS-2$
 		"this", "throw", "true", "try", "typeof", //$NON-NLS-0$ //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 		"undefined", //$NON-NLS-0$
 		"var", "void", //$NON-NLS-0$ //$NON-NLS-1$
 		"while", "with", //$NON-NLS-0$ //$NON-NLS-1$
 		"yield" //$NON-NLS-0$
 	];

 	var CSS_KEYWORDS = [
 		"alignment-adjust", "alignment-baseline", "animation", "animation-delay", "animation-direction", "animation-duration", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"animation-iteration-count", "animation-name", "animation-play-state", "animation-timing-function", "appearance", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"azimuth", "backface-visibility", "background", "background-attachment", "background-clip", "background-color", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"background-image", "background-origin", "background-position", "background-repeat", "background-size", "baseline-shift", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"binding", "bleed", "bookmark-label", "bookmark-level", "bookmark-state", "bookmark-target", "border", "border-bottom", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"border-bottom-color", "border-bottom-left-radius", "border-bottom-right-radius", "border-bottom-style", "border-bottom-width", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"border-collapse", "border-color", "border-image", "border-image-outset", "border-image-repeat", "border-image-slice", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"border-image-source", "border-image-width", "border-left", "border-left-color", "border-left-style", "border-left-width", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"border-radius", "border-right", "border-right-color", "border-right-style", "border-right-width", "border-spacing", "border-style", //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"border-top", "border-top-color", "border-top-left-radius", "border-top-right-radius", "border-top-style", "border-top-width", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"border-width", "bottom", "box-align", "box-decoration-break", "box-direction", "box-flex", "box-flex-group", "box-lines", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"box-ordinal-group", "box-orient", "box-pack", "box-shadow", "box-sizing", "break-after", "break-before", "break-inside", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"caption-side", "clear", "clip", "color", "color-profile", "column-count", "column-fill", "column-gap", "column-rule", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"column-rule-color", "column-rule-style", "column-rule-width", "column-span", "column-width", "columns", "content", "counter-increment", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"counter-reset", "crop", "cue", "cue-after", "cue-before", "cursor", "direction", "display", "dominant-baseline", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"drop-initial-after-adjust", "drop-initial-after-align", "drop-initial-before-adjust", "drop-initial-before-align", "drop-initial-size", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"drop-initial-value", "elevation", "empty-cells", "fit", "fit-position", "flex-align", "flex-flow", "flex-inline-pack", "flex-order", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"flex-pack", "float", "float-offset", "font", "font-family", "font-size", "font-size-adjust", "font-stretch", "font-style", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"font-variant", "font-weight", "grid-columns", "grid-rows", "hanging-punctuation", "height", "hyphenate-after", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"hyphenate-before", "hyphenate-character", "hyphenate-lines", "hyphenate-resource", "hyphens", "icon", "image-orientation", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"image-rendering", "image-resolution", "inline-box-align", "left", "letter-spacing", "line-height", "line-stacking", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"line-stacking-ruby", "line-stacking-shift", "line-stacking-strategy", "list-style", "list-style-image", "list-style-position", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"list-style-type", "margin", "margin-bottom", "margin-left", "margin-right", "margin-top", "mark", "mark-after", "mark-before", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"marker-offset", "marks", "marquee-direction", "marquee-loop", "marquee-play-count", "marquee-speed", "marquee-style", "max-height", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index", "nav-left", "nav-right", "nav-up", "opacity", "orphans", //$NON-NLS-10$ //$NON-NLS-9$ //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"outline", "outline-color", "outline-offset", "outline-style", "outline-width", "overflow", "overflow-style", "overflow-x", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"overflow-y", "padding", "padding-bottom", "padding-left", "padding-right", "padding-top", "page", "page-break-after", "page-break-before", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"page-break-inside", "page-policy", "pause", "pause-after", "pause-before", "perspective", "perspective-origin", "phonemes", "pitch", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"pitch-range", "play-during", "position", "presentation-level", "punctuation-trim", "quotes", "rendering-intent", "resize", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"rest", "rest-after", "rest-before", "richness", "right", "rotation", "rotation-point", "ruby-align", "ruby-overhang", "ruby-position", //$NON-NLS-9$ //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"ruby-span", "size", "speak", "speak-header", "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set", "table-layout", //$NON-NLS-9$ //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"target", "target-name", "target-new", "target-position", "text-align", "text-align-last", "text-decoration", "text-emphasis", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"text-height", "text-indent", "text-justify", "text-outline", "text-shadow", "text-transform", "text-wrap", "top", "transform", //$NON-NLS-8$ //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"transform-origin", "transform-style", "transition", "transition-delay", "transition-duration", "transition-property", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"transition-timing-function", "unicode-bidi", "vertical-align", "visibility", "voice-balance", "voice-duration", "voice-family", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"voice-pitch", "voice-pitch-range", "voice-rate", "voice-stress", "voice-volume", "volume", "white-space", "white-space-collapse", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"widows", "width", "word-break", "word-spacing", "word-wrap", "z-index" //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	];

 	var JAVA_KEYWORDS = [
 		"abstract", //$NON-NLS-0$
 		"boolean", "break", "byte", //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"case", "catch", "char", "class", "continue", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"default", "do", "double", //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"else", "extends", //$NON-NLS-1$ //$NON-NLS-0$
 		"false", "final", "finally", "float", "for", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"if", "implements", "import", "instanceof", "int", "interface", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"long", //$NON-NLS-0$
 		"native", "new", "null", //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"package", "private", "protected", "public", //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"return", //$NON-NLS-0$
 		"short", "static", "super", "switch", "synchronized", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"this", "throw", "throws", "transient", "true", "try", //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"void", "volatile", //$NON-NLS-1$ //$NON-NLS-0$
 		"while" //$NON-NLS-0$
 	];

 	return {
 		JSKeywords: JS_KEYWORDS,
 		CSSKeywords: CSS_KEYWORDS,
 		JAVAKeywords: JAVA_KEYWORDS
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */

 define("orion/editor/cssContentAssist", [ //$NON-NLS-0$
 	'orion/editor/templates', //$NON-NLS-0$
 	'orion/editor/keywords' //$NON-NLS-0$
 ], function(mTemplates, mKeywords) {

 	var overflowValues = {
 		type: "link", //$NON-NLS-0$
 		values: ["visible", "hidden", "scroll", "auto", "no-display", "no-content"] //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var fontStyleValues = {
 		type: "link", //$NON-NLS-0$
 		values: ["italic", "normal", "oblique", "inherit"] //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var fontWeightValues = {
 		type: "link", //$NON-NLS-0$
 		values: [
 			"bold", "normal", "bolder", "lighter", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			"100", "200", "300", "400", "500", "600", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			"700", "800", "900", "inherit" //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		]
 	};
 	var displayValues = {
 		type: "link", //$NON-NLS-0$
 		values: [
 			"none", "block", "box", "flex", "inline", "inline-block", "inline-flex", "inline-table", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			"list-item", "table", "table-caption", "table-cell", "table-column", "table-column-group", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 			"table-footer-group", "table-header-group", "table-row", "table-row-group", "inherit" //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		]
 	};
 	var visibilityValues = {
 		type: "link", //$NON-NLS-0$
 		values: ["hidden", "visible", "collapse", "inherit"] //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var positionValues = {
 		type: "link", //$NON-NLS-0$
 		values: ["absolute", "fixed", "relative", "static", "inherit"] //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var whitespaceValues = {
 		type: "link", //$NON-NLS-0$
 		values: ["pre", "pre-line", "pre-wrap", "nowrap", "normal", "inherit"] //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var wordwrapValues = {
 		type: "link", //$NON-NLS-0$
 		values: ["normal", "break-word"] //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var floatValues = {
 		type: "link", //$NON-NLS-0$
 		values: ["left", "right", "none", "inherit"] //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var borderStyles = {
 		type: "link", //$NON-NLS-0$
 		values: ["solid", "dashed", "dotted", "double", "groove", "ridge", "inset", "outset"] //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	};
 	var widths = {
 		type: "link", //$NON-NLS-0$
 		values: []
 	};
 	for (var i=0; i<10; i++) {
 		widths.values.push(i.toString());
 	}
 	var colorValues = {
 		type: "link", //$NON-NLS-0$
 		values: [
 			"black", //$NON-NLS-0$
 			"white", //$NON-NLS-0$
 			"red", //$NON-NLS-0$
 			"green", //$NON-NLS-0$
 			"blue", //$NON-NLS-0$
 			"magenta", //$NON-NLS-0$
 			"yellow", //$NON-NLS-0$
 			"cyan", //$NON-NLS-0$
 			"grey", //$NON-NLS-0$
 			"darkred", //$NON-NLS-0$
 			"darkgreen", //$NON-NLS-0$
 			"darkblue", //$NON-NLS-0$
 			"darkmagenta", //$NON-NLS-0$
 			"darkcyan", //$NON-NLS-0$
 			"darkyellow", //$NON-NLS-0$
 			"darkgray", //$NON-NLS-0$
 			"lightgray" //$NON-NLS-0$
 		]
 	};
 	var cursorValues = {
 		type: "link", //$NON-NLS-0$
 		values: [
 			"auto", //$NON-NLS-0$
 			"crosshair", //$NON-NLS-0$
 			"default", //$NON-NLS-0$
 			"e-resize", //$NON-NLS-0$
 			"help", //$NON-NLS-0$
 			"move", //$NON-NLS-0$
 			"n-resize", //$NON-NLS-0$
 			"ne-resize", //$NON-NLS-0$
 			"nw-resize", //$NON-NLS-0$
 			"pointer", //$NON-NLS-0$
 			"progress", //$NON-NLS-0$
 			"s-resize", //$NON-NLS-0$
 			"se-resize", //$NON-NLS-0$
 			"sw-resize", //$NON-NLS-0$
 			"text", //$NON-NLS-0$
 			"w-resize", //$NON-NLS-0$
 			"wait", //$NON-NLS-0$
 			"inherit" //$NON-NLS-0$
 		]
 	};

 	function fromJSON(o) {
 		return JSON.stringify(o).replace("}", "\\}"); //$NON-NLS-1$ //$NON-NLS-0$
 	}

 	var templates = [
 		{
 			prefix: "rule", //$NON-NLS-0$
 			description: "rule - class selector rule",
 			template: ".${class} {\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "rule", //$NON-NLS-0$
 			description: "rule - id selector rule",
 			template: "#${id} {\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "outline", //$NON-NLS-0$
 			description: "outline - outline style",
 			template: "outline: ${color:" + fromJSON(colorValues) + "} ${style:" + fromJSON(borderStyles) + "} ${width:" + fromJSON(widths) + "}px;" //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		},
 		{
 			prefix: "background-image", //$NON-NLS-0$
 			description: "background-image - image style",
 			template: "background-image: url(\"${uri}\");" //$NON-NLS-0$
 		},
 		{
 			prefix: "url", //$NON-NLS-0$
 			description: "url - url image",
 			template: "url(\"${uri}\");" //$NON-NLS-0$
 		},
 		{
 			prefix: "rgb", //$NON-NLS-0$
 			description: "rgb - rgb color",
 			template: "rgb(${red},${green},${blue});" //$NON-NLS-0$
 		},
 		{
 			prefix: "@", //$NON-NLS-0$
 			description: "import - import style sheet",
 			template: "@import \"${uri}\";" //$NON-NLS-0$
 		}
 	];
 	var valuesProperties = [
 		{prop: "display", values: displayValues}, //$NON-NLS-0$
 		{prop: "overflow", values: overflowValues}, //$NON-NLS-0$
 		{prop: "overflow-x", values: overflowValues}, //$NON-NLS-0$
 		{prop: "overflow-y", values: overflowValues}, //$NON-NLS-0$
 		{prop: "float", values: floatValues}, //$NON-NLS-0$
 		{prop: "position", values: positionValues}, //$NON-NLS-0$
 		{prop: "cursor", values: cursorValues}, //$NON-NLS-0$
 		{prop: "color", values: colorValues}, //$NON-NLS-0$
 		{prop: "border-top-color", values: colorValues}, //$NON-NLS-0$
 		{prop: "border-bottom-color", values: colorValues}, //$NON-NLS-0$
 		{prop: "border-right-color", values: colorValues}, //$NON-NLS-0$
 		{prop: "border-left-color", values: colorValues}, //$NON-NLS-0$
 		{prop: "background-color", values: colorValues}, //$NON-NLS-0$
 		{prop: "font-style", values: fontStyleValues}, //$NON-NLS-0$
 		{prop: "font-weight", values: fontWeightValues}, //$NON-NLS-0$
 		{prop: "white-space", values: whitespaceValues}, //$NON-NLS-0$
 		{prop: "word-wrap", values: wordwrapValues}, //$NON-NLS-0$
 		{prop: "visibility", values: visibilityValues} //$NON-NLS-0$
 	];
 	var prop;
 	for (i=0; i<valuesProperties.length; i++) {
 		prop = valuesProperties[i];
 		templates.push({
 			prefix: prop.prop, //$NON-NLS-0$
 			description: prop.prop + " - " + prop.prop + " style",
 			template: prop.prop + ": ${value:" + fromJSON(prop.values) + "};" //$NON-NLS-1$ //$NON-NLS-0$
 		});
 	}
 	var pixelProperties = [
 		"width", "height", "top", "bottom", "left", "right", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"min-width", "min-height", "max-width", "max-height", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"margin", "padding", "padding-left", "padding-right", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"padding-top", "padding-bottom", "margin-left", "margin-top", //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"margin-bottom", "margin-right" //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	];
 	for (i=0; i<pixelProperties.length; i++) {
 		prop = pixelProperties[i];
 		templates.push({
 			prefix: prop, //$NON-NLS-0$
 			description: prop + " - " + prop + " pixel style",
 			template: prop  + ": ${value}px;" //$NON-NLS-0$
 		});
 	}
 	var fourWidthsProperties = ["padding", "margin"]; //$NON-NLS-1$ //$NON-NLS-0$
 	for (i=0; i<fourWidthsProperties.length; i++) {
 		prop = fourWidthsProperties[i];
 		templates.push({
 			prefix: prop, //$NON-NLS-0$
 			description: prop + " - " + prop + " top right bottom left style",
 			template: prop  + ": ${top}px ${left}px ${bottom}px ${right}px;" //$NON-NLS-0$
 		});
 		templates.push({
 			prefix: prop, //$NON-NLS-0$
 			description: prop + " - " + prop + " top right,left bottom style",
 			template: prop  + ": ${top}px ${right_left}px ${bottom}px;" //$NON-NLS-0$
 		});
 		templates.push({
 			prefix: prop, //$NON-NLS-0$
 			description: prop + " - " + prop + " top,bottom right,left style",
 			template: prop  + ": ${top_bottom}px ${right_left}px" //$NON-NLS-0$
 		});
 	}
 	var borderProperties = ["border", "border-top", "border-bottom", "border-left", "border-right"]; //$NON-NLS-7$ //$NON-NLS-6$ //$NON-NLS-5$ //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	for (i=0; i<borderProperties.length; i++) {
 		prop = borderProperties[i];
 		templates.push({
 			prefix: prop, //$NON-NLS-0$
 			description: prop + " - " + prop + " style",
 			template: prop + ": ${width:" + fromJSON(widths) + "}px ${style:" + fromJSON(borderStyles) + "} ${color:" + fromJSON(colorValues) + "};" //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		});
 	}

 	/**
 	 * @name orion.editor.CssContentAssistProvider
 	 * @class Provides content assist for CSS keywords.
 	 */
 	function CssContentAssistProvider() {
 	}
 	CssContentAssistProvider.prototype = new mTemplates.TemplateContentAssist(mKeywords.CSSKeywords, templates);

 	CssContentAssistProvider.prototype.getPrefix = function(buffer, offset, context) {
 		var index = offset;
 		while (index && /[A-Za-z\-\@]/.test(buffer.charAt(index - 1))) {
 			index--;
 		}
 		return index ? buffer.substring(index, offset) : "";
 	};

 	return {
 		CssContentAssistProvider: CssContentAssistProvider
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */

 define("orion/editor/htmlContentAssist", ['orion/editor/templates'], function(mTemplates) { //$NON-NLS-1$ //$NON-NLS-0$

 	var simpleDocTemplate = new mTemplates.Template("", "Simple HTML document", //$NON-NLS-0$
 		"<!DOCTYPE html>\n" + //$NON-NLS-0$
 		"<html lang=\"en\">\n" + //$NON-NLS-0$
 		"\t<head>\n" + //$NON-NLS-0$
 		"\t\t<meta charset=utf-8>\n" + //$NON-NLS-0$
 		"\t\t<title>${title}</title>\n" + //$NON-NLS-0$
 		"\t</head>\n" + //$NON-NLS-0$
 		"\t<body>\n" + //$NON-NLS-0$
 		"\t\t<h1>${header}</h1>\n" + //$NON-NLS-0$
 		"\t\t<p>\n" + //$NON-NLS-0$
 		"\t\t\t${cursor}\n" + //$NON-NLS-0$
 		"\t\t</p>\n" + //$NON-NLS-0$
 		"\t</body>\n" + //$NON-NLS-0$
 		"</html>"); //$NON-NLS-0$

 	var templates = [
 		{
 			prefix: "<img", //$NON-NLS-0$
 			description: "<img> - HTML image element",
 			template: "<img src=\"${cursor}\" alt=\"${Image}\"/>" //$NON-NLS-0$
 		},
 		{
 			prefix: "<a", //$NON-NLS-0$
 			description: "<a> - HTML anchor element",
 			template: "<a href=\"${cursor}\"></a>" //$NON-NLS-0$
 		},
 		{
 			prefix: "<ul", //$NON-NLS-0$
 			description: "<ul> - HTML unordered list",
 			template: "<ul>\n\t<li>${cursor}</li>\n</ul>" //$NON-NLS-0$
 		},
 		{
 			prefix: "<ol", //$NON-NLS-0$
 			description: "<ol> - HTML ordered list",
 			template: "<ol>\n\t<li>${cursor}</li>\n</ol>" //$NON-NLS-0$
 		},
 		{
 			prefix: "<dl", //$NON-NLS-0$
 			description: "<dl> - HTML definition list",
 			template: "<dl>\n\t<dt>${cursor}</dt>\n\t<dd></dd>\n</dl>" //$NON-NLS-0$
 		},
 		{
 			prefix: "<table", //$NON-NLS-0$
 			description: "<table> - basic HTML table",
 			template: "<table>\n\t<tr>\n\t\t<td>${cursor}</td>\n\t</tr>\n</table>" //$NON-NLS-0$
 		}
 	];

 	//elements that are typically placed on a single line (e.g., <b>, <h1>, etc)
 	var element, template, description, i;
 	var singleLineElements = [
 		"abbr","b","button","canvas","cite", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"command","dd","del","dfn","dt", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"em","embed","font","h1","h2", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"h3","h4","h5","h6","i", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"ins","kbd","label","li","mark", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"meter","object","option","output","progress", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"q","rp","rt","samp","small", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"strong","sub","sup","td","time", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"title","tt","u","var" //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	];
 	for (i = 0; i < singleLineElements.length; i++) {
 		element = singleLineElements[i];
 		description = "<" + element + "></" + element + ">"; //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		template = "<" + element + ">${cursor}</" + element + ">"; //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		templates.push({prefix: "<" + element, description: description, template: template}); //$NON-NLS-0$
 	}

 	//elements that typically start a block spanning multiple lines (e.g., <p>, <div>, etc)
 	var multiLineElements = [
 		"address","article","aside","audio","bdo", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"blockquote","body","caption","code","colgroup", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"datalist","details","div","fieldset","figure", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"footer","form","head","header","hgroup", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"iframe","legend","map","menu","nav", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"noframes","noscript","optgroup","p","pre", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"ruby","script","section","select","span", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"style","tbody","textarea","tfoot","th", //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"thead","tr","video" //$NON-NLS-4$ //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	];
 	for (i = 0; i < multiLineElements.length; i++) {
 		element = multiLineElements[i];
 		description = "<" + element + "></" + element + ">"; //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		template = "<" + element + ">\n\t${cursor}\n</" + element + ">"; //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		templates.push({prefix: "<" + element, description: description, template: template}); //$NON-NLS-0$
 	}

 	//elements with no closing element (e.g., <hr>, <br>, etc)
 	var emptyElements = [
 		"area","base","br","col", //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"hr","input","link","meta", //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 		"param","keygen","source" //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-1$ //$NON-NLS-0$
 	];
 	for (i = 0; i < emptyElements.length; i++) {
 		element = emptyElements[i];
 		template = description = "<" + element + "/>"; //$NON-NLS-1$ //$NON-NLS-0$
 		templates.push({prefix: "<" + element, description: description, template: template}); //$NON-NLS-0$
 	}

 	/**
 	 * @name orion.editor.HTMLContentAssistProvider
 	 * @class Provides content assist for HTML.
 	 */
 	function HTMLContentAssistProvider() {
 	}
 	HTMLContentAssistProvider.prototype = new mTemplates.TemplateContentAssist([], templates);

 	HTMLContentAssistProvider.prototype.getPrefix = function(buffer, offset, context) {
 		var index = offset;
 		while (index && /[A-Za-z<]/.test(buffer.charAt(index - 1))) {
 			index--;
 			if (buffer.charAt(index) === "<") { //$NON-NLS-0$
 				break;
 			}
 		}
 		return index ? buffer.substring(index, offset) : "";
 	};

 	HTMLContentAssistProvider.prototype.computeProposals = function(buffer, offset, context) {
 		//template - simple html document
 		if (buffer.length === 0) {
 			return [simpleDocTemplate.getProposal("", offset, context)];
 		}
 		return mTemplates.TemplateContentAssist.prototype.computeProposals.call(this, buffer, offset, context);
 	};

 	return {
 		HTMLContentAssistProvider: HTMLContentAssistProvider
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * Copyright (c) 2012 VMware, Inc.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Andrew Eisenberg - rename to jsTemplateContentAssist.js
  *******************************************************************************/
 /*global define */

 define("orion/editor/jsTemplateContentAssist", [ //$NON-NLS-0$
 	'orion/editor/templates', //$NON-NLS-0$
 	'orion/editor/keywords' //$NON-NLS-0$
 ], function(mTemplates, mKeywords) {

 	function findPreviousChar(buffer, offset) {
 		var c = "";
 		while (offset >= 0) {
 			c = buffer[offset];
 			if (c === '\n' || c === '\r') { //$NON-NLS-1$ //$NON-NLS-0$
 				//we hit the start of the line so we are done
 				break;
 			} else if (/\s/.test(c)) {
 				offset--;
 			} else {
 				// a non-whitespace character, we are done
 				break;
 			}
 		}
 		return c;
 	}

 	var typeofValues = {
 		type: "link", //$NON-NLS-0$
 		values: [
 			"undefined", //$NON-NLS-0$
 			"object", //$NON-NLS-0$
 			"boolean", //$NON-NLS-0$
 			"number", //$NON-NLS-0$
 			"string", //$NON-NLS-0$
 			"function", //$NON-NLS-0$
 			"xml" //$NON-NLS-0$
 		]
 	};

 	function fromJSON(o) {
 		return JSON.stringify(o).replace("}", "\\}"); //$NON-NLS-1$ //$NON-NLS-0$
 	}

 	var uninterestingChars = ":!@#$^&*.?<>"; //$NON-NLS-0$

 	var templates = [
 		{
 			prefix: "if", //$NON-NLS-0$
 			description: "if - if statement",
 			template: "if (${condition}) {\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "if", //$NON-NLS-0$
 			description: "if - if else statement",
 			template: "if (${condition}) {\n\t${cursor}\n} else {\n\t\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "for", //$NON-NLS-0$
 			description: "for - iterate over array",
 			template: "for (var ${i}=0; ${i}<${array}.length; ${i}++) {\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "for", //$NON-NLS-0$
 			description: "for - iterate over array with local var",
 			template: "for (var ${i}=0; ${i}<${array}.length; ${i}++) {\n\tvar ${value} = ${array}[${i}];\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "for", //$NON-NLS-0$
 			description: "for..in - iterate over properties of an object",
 			template: "for (var ${property} in ${object}) {\n\tif (${object}.hasOwnProperty(${property})) {\n\t\t${cursor}\n\t}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "while", //$NON-NLS-0$
 			description: "while - while loop with condition",
 			template: "while (${condition}) {\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "do", //$NON-NLS-0$
 			description: "do - do while loop with condition",
 			template: "do {\n\t${cursor}\n} while (${condition});" //$NON-NLS-0$
 		},
 		{
 			prefix: "switch", //$NON-NLS-0$
 			description: "switch - switch case statement",
 			template: "switch (${expression}) {\n\tcase ${value1}:\n\t\t${cursor}\n\t\tbreak;\n\tdefault:\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "case", //$NON-NLS-0$
 			description: "case - case statement",
 			template: "case ${value}:\n\t${cursor}\n\tbreak;" //$NON-NLS-0$
 		},
 		{
 			prefix: "try", //$NON-NLS-0$
 			description: "try - try..catch statement",
 			template: "try {\n\t${cursor}\n} catch (${err}) {\n}" //$NON-NLS-0$
 			},
 		{
 			prefix: "try", //$NON-NLS-0$
 			description: "try - try..catch statement with finally block",
 			template: "try {\n\t${cursor}\n} catch (${err}) {\n} finally {\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "var", //$NON-NLS-0$
 			description: "var - variable declaration",
 			template: "var ${name};" //$NON-NLS-0$
 		},
 		{
 			prefix: "var", //$NON-NLS-0$
 			description: "var - variable declaration with value",
 			template: "var ${name} = ${value};" //$NON-NLS-0$
 		},
 		{
 			prefix: "let", //$NON-NLS-0$
 			description: "let - local scope variable declaration",
 			template: "let ${name};" //$NON-NLS-0$
 		},
 		{
 			prefix: "let", //$NON-NLS-0$
 			description: "let - local scope variable declaration with value",
 			template: "let ${name} = ${value};" //$NON-NLS-0$
 		},
 		{
 			prefix: "return", //$NON-NLS-0$
 			description: "return - return result",
 			template: "return ${result};" //$NON-NLS-0$
 		},
 		{
 			prefix: "typeof", //$NON-NLS-0$
 			description: "typeof - typeof statement",
 			template: "typeof ${object} === \"${type:" + fromJSON(typeofValues) + "}\"" //$NON-NLS-1$ //$NON-NLS-0$
 		},
 		{
 			prefix: "instanceof", //$NON-NLS-0$
 			description: "instanceof - instanceof statement",
 			template: "${object} instanceof ${type}" //$NON-NLS-0$
 		},
 		{
 			prefix: "with", //$NON-NLS-0$
 			description: "with - with statement",
 			template: "with (${object}) {\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "function", //$NON-NLS-0$
 			description: "function - function declaration",
 			template: "function ${name} (${parameter}) {\n\t${cursor}\n}" //$NON-NLS-0$
 		},
 		{
 			prefix: "nls", //$NON-NLS-0$
 			description: "string - non NLS",
 			template: "${cursor} //$NON-NLS-${0}$" //$NON-NLS-0$
 		},
 		{
 			prefix: "log", //$NON-NLS-0$
 			description: "log - console log",
 			template: "console.log(${object});" //$NON-NLS-0$
 		}
 	];

 	/**
 	 * @name orion.editor.JSTemplateContentAssistProvider
 	 * @class Provides content assist for JavaScript keywords.
 	 */
 	function JSTemplateContentAssistProvider() {
 	}
 	JSTemplateContentAssistProvider.prototype = new mTemplates.TemplateContentAssist(mKeywords.JSKeywords, templates);

 	/**
 	 * Determines if the invocation location is a valid place to use
 	 * templates.  We are not being too precise here.  As an approximation,
 	 * just look at the previous character.
 	 *
 	 * @return {Boolean} true if the current invocation location is
 	 * a valid place for template proposals to appear.
 	 * This means that the invocation location is at the start of a new statement.
 	 */
 	JSTemplateContentAssistProvider.prototype.isValid = function(prefix, buffer, offset, context) {
 		var previousChar = findPreviousChar(buffer, offset-prefix.length-1);
 		return uninterestingChars.indexOf(previousChar) === -1;
 	};

 	return {
 		JSTemplateContentAssistProvider: JSTemplateContentAssistProvider
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/
 /*jslint browser:true regexp:true*/
 /*global console define*/
 define("orion/editor/AsyncStyler", ['i18n!orion/editor/nls/messages', 'orion/editor/annotations'], function(messages, mAnnotations) {
 	var SERVICE_NAME = "orion.edit.highlighter";
 	var HIGHLIGHT_ERROR_ANNOTATION = "orion.annotation.highlightError";
 	var badServiceError = SERVICE_NAME + " service must be an event emitter";
 	mAnnotations.AnnotationType.registerType(HIGHLIGHT_ERROR_ANNOTATION, {
 		title: messages.syntaxError,
 		html: "<div class='annotationHTML error'></div>",
 		rangeStyle: {styleClass: "annotationRange error"}
 	});

 	function isRelevant(serviceReference) {
 		return serviceReference.getProperty("objectClass").indexOf(SERVICE_NAME) !== -1 &&
 				serviceReference.getProperty("type") === "highlighter";
 	}

 	/**
 	 * @name orion.editor.AsyncStyler
 	 * @class Provides asynchronous styling for a TextView using registered "highlighter" services.
 	 * @description Creates an <code>AsyncStyler</code>. An AsyncStyler allows style information to be sent to a
 	 * <code>TextView</code> asynchronously through the service segistry. Style is generated by <em>style providers</em>, which are services
 	 * having the <code>'orion.edit.highlighter'</code> service name and a <code>type</code> === <code>'highlighter'</code> service property.
 	 *
 	 * <p>A style provider monitors changes to the TextView (typically using an <code>orion.edit.model</code> service) and
 	 * dispatches a service event of type <code>'orion.edit.highlighter.styleReady'</code> when it has style information to send.
 	 * The event carries a payload of style information for one or more lines in the TextView. The AsyncStyler then applies
 	 * the style information fron the event to the TextView using the {@link orion.editor.TextView#event:onLineStyle} API.
 	 * </p>
 	 *
 	 * <p>Applying style information may cause the TextView to be redrawn, which is potentially expensive. To minimize the
 	 * number of redraws, a provider should provide style for many lines in a single StyleReadyEvent.
 	 * </p>
 	 *
 	 * @param {orion.editor.TextView} textView The TextView to style.
 	 * @param {orion.serviceregistry.ServiceRegistry} serviceRegistry The ServiceRegistry to monitor for highlighter services.
 	 * @param {orion.editor.AnnotationModel} [annotationModel] The Annotation Model to use for creating error and warning annotations.
 	 * @see orion.editor.StyleReadyEvent
 	 */
 	function AsyncStyler(textView, serviceRegistry, annotationModel) {
 		this.initialize(textView, serviceRegistry, annotationModel);
 		this.lineStyles = [];
 	}
 	AsyncStyler.prototype = /** @lends orion.editor.AsyncStyler.prototype*/ {
 		/** @private */
 		initialize: function(textView, serviceRegistry, annotationModel) {
 			this.textView = textView;
 			this.serviceRegistry = serviceRegistry;
 			this.annotationModel = annotationModel;
 			this.services = [];

 			var self = this;
 			this.listener = {
 				onModelChanging: function(e) {
 					self.onModelChanging(e);
 				},
 				onModelChanged: function(e) {
 					self.onModelChanged(e);
 				},
 				onDestroy: function(e) {
 					self.onDestroy(e);
 				},
 				onLineStyle: function(e) {
 					self.onLineStyle(e);
 				},
 				onStyleReady: function(e) {
 					self.onStyleReady(e);
 				},
 				onServiceAdded: function(serviceEvent) {
 					self.onServiceAdded(serviceEvent.serviceReference, self.serviceRegistry.getService(serviceEvent.serviceReference));
 				},
 				onServiceRemoved: function(serviceEvent) {
 					self.onServiceRemoved(serviceEvent.serviceReference, self.serviceRegistry.getService(serviceEvent.serviceReference));
 				}
 			};
 			textView.addEventListener("ModelChanging", this.listener.onModelChanging);
 			textView.addEventListener("ModelChanged", this.listener.onModelChanged);
 			textView.addEventListener("Destroy", this.listener.onDestroy);
 			textView.addEventListener("LineStyle", this.listener.onLineStyle);
 			serviceRegistry.addEventListener("registered", this.listener.onServiceAdded);
 			serviceRegistry.addEventListener("unregistering", this.listener.onServiceRemoved);

 			var serviceRefs = serviceRegistry.getServiceReferences(SERVICE_NAME);
 			for (var i = 0; i < serviceRefs.length; i++) {
 				var serviceRef = serviceRefs[i];
 				if (isRelevant(serviceRef)) {
 					this.addServiceListener(serviceRegistry.getService(serviceRef));
 				}
 			}
 		},
 		/** @private */
 		onDestroy: function(e) {
 			this.destroy();
 		},
 		/** Deactivates this styler and removes any listeners it registered. */
 		destroy: function() {
 			if (this.textView) {
 				this.textView.removeEventListener("ModelChanging", this.listener.onModelChanging);
 				this.textView.removeEventListener("ModelChanged", this.listener.onModelChanged);
 				this.textView.removeEventListener("Destroy", this.listener.onDestroy);
 				this.textView.removeEventListener("LineStyle", this.listener.onLineStyle);
 				this.textView = null;
 			}
 			if (this.services) {
 				for (var i = 0; i < this.services.length; i++) {
 					this.removeServiceListener(this.services[i]);
 				}
 				this.services = null;
 			}
 			if (this.serviceRegistry) {
 				this.serviceRegistry.removeEventListener("registered", this.listener.onServiceAdded);
 				this.serviceRegistry.removeEventListener("unregistering", this.listener.onServiceRemoved);
 				this.serviceRegistry = null;
 			}
 			this.listener = null;
 			this.lineStyles = null;
 		},
 		/** @private */
 		onModelChanging: function(e) {
 			this.startLine = this.textView.getModel().getLineAtOffset(e.start);
 		},
 		/** @private */
 		onModelChanged: function(e) {
 			var startLine = this.startLine;
 			if (e.addedLineCount || e.removedLineCount) {
 				Array.prototype.splice.apply(this.lineStyles, [startLine, e.removedLineCount].concat(this._getEmptyStyle(e.addedLineCount)));
 			}
 		},
 		/** @private */
 		onStyleReady: function(e) {
 			var style = e.lineStyles || e.style;
 			var min = Number.MAX_VALUE, max = -1;
 			var model = this.textView.getModel();
 			for (var lineIndex in style) {
 				if (style.hasOwnProperty(lineIndex)) {
 					this.lineStyles[lineIndex] = style[lineIndex];
 					min = Math.min(min, lineIndex);
 					max = Math.max(max, lineIndex);
 				}
 			}
 //			console.debug("Got style for lines " + (min+1) + " to " + (max+1));
 			min = Math.max(min, 0);
 			max = Math.min(max, model.getLineCount());

 			var annotationModel = this.annotationModel;
 			if (annotationModel) {
 				var annos = annotationModel.getAnnotations(model.getLineStart(min), model.getLineEnd(max));
 				var toRemove = [];
 				while (annos.hasNext()) {
 					var anno = annos.next();
 					if (anno.type === HIGHLIGHT_ERROR_ANNOTATION) {
 						toRemove.push(anno);
 					}
 				}
 				var toAdd = [];
 				for (var i = min; i <= max; i++) {
 					lineIndex = i;
 					var lineStyle = this.lineStyles[lineIndex], errors = lineStyle && lineStyle.errors;
 					var lineStart = model.getLineStart(lineIndex);
 					if (errors) {
 						for (var j=0; j < errors.length; j++) {
 							var err = errors[j];
 							toAdd.push(mAnnotations.AnnotationType.createAnnotation(HIGHLIGHT_ERROR_ANNOTATION, err.start + lineStart, err.end + lineStart));
 						}
 					}
 				}
 				annotationModel.replaceAnnotations(toRemove, toAdd);
 			}
 			this.textView.redrawLines(min, max + 1);
 		},
 		/** @private */
 		onLineStyle: function(e) {
 			function _toDocumentOffset(ranges, lineStart) {
 				var len = ranges.length, result = [];
 				for (var i=0; i < len; i++) {
 					var r = ranges[i];
 					result.push({
 						start: r.start + lineStart,
 						end: r.end + lineStart,
 						style: r.style
 					});
 				}
 				return result;
 			}
 			var style = this.lineStyles[e.lineIndex];
 			if (style) {
 				// The 'ranges', 'errors' are of type {@link orion.editor.LineStyleEvent#ranges}, except the
 				// start and end indices are line-relative offsets, not document-relative.
 				if (style.ranges) { e.ranges = _toDocumentOffset(style.ranges, e.lineStart); }
 				else if (style.style) { e.style = style.style; }
 			}
 		},
 		/** @private */
 		_getEmptyStyle: function(n) {
 			var result = [];
 			for (var i=0; i < n; i++) {
 				result.push(null);
 			}
 			return result;
 		},
 		/**
 		 * Sets the content type ID for which style information will be provided. The ID will be passed to all style provider
 		 * services monitored by this AsyncStyler by calling the provider's own <code>setContentType(contentTypeId)</code> method.
 		 *
 		 * <p>In this way, a single provider service can be registered for several content types, and select different logic for
 		 * each type.</p>
 		 * @param {String} contentTypeId The Content Type ID describing the kind of file currently being edited in the TextView.
 		 * @see orion.core.ContentType
 		 */
 		setContentType: function(contentTypeId) {
 			this.contentType = contentTypeId;
 			if (this.services) {
 				for (var i = 0; i < this.services.length; i++) {
 					var service = this.services[i];
 					if (service.setContentType) {
 						var progress = this.serviceRegistry.getService("orion.page.progress");
 						if(progress){
 							progress.progress(service.setContentType(this.contentType), "Styling content type: " + this.contentType.id ? this.contentType.id: this.contentType);
 						} else {
 							service.setContentType(this.contentType);
 						}
 					}
 				}
 			}
 		},
 		/** @private */
 		onServiceAdded: function(serviceRef, service) {
 			if (isRelevant(serviceRef)) {
 				this.addServiceListener(service);
 			}
 		},
 		/** @private */
 		onServiceRemoved: function(serviceRef, service) {
 			if (this.services.indexOf(service) !== -1) {
 				this.removeServiceListener(service);
 			}
 		},
 		/** @private */
 		addServiceListener: function(service) {
 			if (typeof service.addEventListener === "function") {
 				service.addEventListener("orion.edit.highlighter.styleReady", this.listener.onStyleReady);
 				this.services.push(service);
 				if (service.setContentType && this.contentType) {
 					var progress = this.serviceRegistry.getService("orion.page.progress");
 					if(progress){
 						progress.progress(service.setContentType(this.contentType), "Styling content type: " + this.contentType.id ? this.contentType.id: this.contentType);
 					} else {
 						service.setContentType(this.contentType);
 					}
 				}
 			} else {
 				if (typeof console !== "undefined") {
 					console.log(new Error(badServiceError));
 				}
 			}
 		},
 		/** @private */
 		removeServiceListener: function(service) {
 			if (typeof service.removeEventListener === "function") {
 				service.removeEventListener("orion.edit.highlighter.styleReady", this.listener.onStyleReady);
 				var serviceIndex = this.services.indexOf(service);
 				if (serviceIndex !== -1) {
 					this.services.splice(serviceIndex, 1);
 				}
 			} else {
 				if (typeof console !== "undefined") {
 					console.log(new Error(badServiceError));
 				}
 			}
 		}
 	};

 	/**
 	 * @name orion.editor.StyleReadyEvent
 	 * @class Represents the styling for a range of lines, as provided by a service.
 	 * @description Represents the styling for a range of lines, as provided by a service.
 	 * @property {Object} lineStyles A map of style information. Each key of the map is a line index, and the value
 	 * is a {@link orion.editor.StyleReadyEvent#LineStyle} giving the style information for the line.
 	 */
 	/**
 	 * @name orion.editor.StyleReadyEvent#LineStyle
 	 * @class Represents style information for a line.
 	 * @description Represents style information for a line.
 	 * <p>Note that the offsets given in the {@link #ranges} and {@link #errors} properties are relative to the start of the
 	 * line that this LineStyle is associated with, not the start of the document.</p>
 	 * @property {orion.editor.StyleRange[]} ranges Optional; Gives the styles for this line.
 	 * @property {orion.editor.StyleRange[]} errors Optional; Gives the error styles for this line. Error styles will be
 	 * presented as annotations in the UI.
 	 */

 	return AsyncStyler;
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*global define */
 /*jslint browser:true forin:true*/
 define("orion/editor/mirror", ["i18n!orion/editor/nls/messages", "orion/editor/eventTarget", "orion/editor/annotations"], function(messages, mEventTarget, mAnnotations) {
 	// TODO this affects indentation, which we don't support. Should be a parameter.
 	var tabSize = 4;

 	/**
 	 * @private
 	 * @name orion.mirror.Stream
 	 * @class Encapsulates a line of code and the current position in the line.
 	 * @description An implementation of CodeMirror's "StringStream" API.
 	 * @see <a href="http://codemirror.net/doc/manual.html#StringStream">http://codemirror.net/doc/manual.html#StringStream</a>
 	 */
 	function Stream(/**String*/ str) {
 		// Don't rename these or CodeMirror's "perl" mode will break.
 		this.string = str;
 		this.pos = 0;
 		this.tokenStart = 0;
 	}
 	Stream.prototype = /** @lends orion.mirror.Stream.prototype */ {
 		/** @returns {Boolean} */
 		eol: function() { return this.pos >= this.string.length; },
 		/** @returns {Boolean} */
 		sol: function() { return this.pos === 0; },
 		/** @returns {Char} */
 		peek: function() { return this.string[this.pos]; },
 		next: function() { return this.string[this.pos++]; },
 		/** @returns {Char|undefined} */
 		eat: function(/**String|RegExp|Function*/ match) {
 			var c = this.string[this.pos];
 			var isMatch = (typeof c === "string") && (c === match || (match.test && match.test(c)) || (typeof match === "function" && match(c)));
 			return isMatch ? this.string[this.pos++] : undefined;
 		},
 		/** @returns {Boolean} */
 		eatWhile: function(/**String|RegExp|Function*/ match) {
 			var ate = false;
 			while (this.eat(match) !== undefined) {
 				ate = true;
 			}
 			return ate;
 		},
 		/** @returns {Boolean} */
 		eatSpace: function() { return this.eatWhile(/\s/); },
 		skipToEnd: function() { this.pos = this.string.length; },
 		skipTo: function(/**Char*/ ch) {
 			var idx = this.string.indexOf(ch, this.pos);
 			if (idx !== -1) {
 				this.pos = idx;
 				return true;
 			}
 			return false;
 		},
 		match: function(/**String|RegExp*/ pattern, /**Boolean*/ consume, /**Boolean*/ caseFold) {
 			consume = (consume === true || typeof consume === "undefined");
 			if (typeof pattern === "string") {
 				var str = caseFold ? this.string.toLowerCase() : this.string;
 				pattern = caseFold ? pattern.toLowerCase() : pattern;
 				var index = str.indexOf(pattern, this.pos);
 				if (index !== -1 && consume) {
 					this.pos = index + pattern.length;
 				}
 				return index !== -1;
 			} else {
 				var match = this.string.substring(this.pos).match(pattern);
 				if (match && consume && typeof match[0] === "string") {
 					this.pos += match.index + match[0].length;
 				}
 				return match;
 			}
 		},
 		backUp: function(/**Number*/ n) { this.pos -= n; },
 		/** @returns {Number} */
 		column: function() {
 			var col = 0, i = 0;
 			while (i < this.tokenStart) {
 				col += (this.string[i++] === "\t") ? tabSize : 1;
 			}
 			return col;
 		},
 		/** @returns {Number} */
 		indentation: function() {
 			var index = this.string.search(/\S/);
 			var col = 0, i = 0;
 			while(i < index) {
 				col += (this.string[i++] === "\t") ? tabSize : 1;
 			}
 			return col;
 		},
 		/** @returns {String} */
 		current: function() { return this.string.substring(this.tokenStart, this.pos); },
 		advance: function() { this.tokenStart = this.pos; }
 	};

 	/**
 	 * @name orion.mirror.Mirror
 	 * @class A shim for CodeMirror's <code>CodeMirror</code> API.
 	 * @description A Mirror is a partial implementation of the API provided by the <code><a href="http://codemirror.net/doc/manual.html#api">CodeMirror object</a></code>.
 	 * Mirror provides functionality related to mode and MIME management.
 	 *
 	 * <p>If clients intend to reuse modes provided by CodeMirror without modification, they must expose a Mirror as
 	 * a property named <code>"CodeMirror"</code> of the global object so that modes may access it to register themselves,
 	 * and to load other modes. For example:
 	 * </p>
 	 * <p><code>
 	 * &lt;script&gt;<br>
 	 * window.CodeMirror = new Mirror();<br>
 	 * // Now you can load the CodeMirror mode scripts.<br>
 	 * &lt/script&gt;
 	 * </code></p>
 	 * @see <a href="http://codemirror.net/manual.html">http://codemirror.net/manual.html</a>
 	 */
 	function Mirror(options) {
 		this._modes = {};
 		// This internal variable must be named "mimeModes" otherwise CodeMirror's "less" mode will fail.
 		this.mimeModes = {};
 		this.options = {};

 		// Expose Stream as a property named "StringStream". This is required to support CodeMirror's Perl mode,
 		// which monkey-patches CodeMirror.StringStream.prototype and will fail if that object doesn't exist.
 		this.StringStream = Stream;
 	}
 	function keys(obj) {
 		var k = [];
 		for (var p in obj) {
 			if (Object.prototype.hasOwnProperty.call(obj, p)) {
 				k.push(p);
 			}
 		}
 		return k;
 	}
 	Mirror.prototype = /** @lends orion.mirror.Mirror.prototype */ {
 		options: {},
 		/** @see <a href="http://codemirror.net/doc/manual.html#getOption">http://codemirror.net/doc/manual.html#getOption</a> */
 		setOption: function(/**String*/ option, /**Object*/ value) { this.options[option] = value; },
 		/**
 		 * @see <a href="http://codemirror.net/doc/manual.html#getOption">http://codemirror.net/doc/manual.html#getOption</a>
 		 * @returns {Object}
 		 */
 		getOption: function(option) { return this.options[option]; },
 		/**
 		 * @see <a href="http://codemirror.net/doc/manual.html#modeapi">http://codemirror.net/doc/manual.html#modeapi</a>
 		 * @returns {Object} A copy of <code>state</code>.
 		 */
 		copyState: function(/**Object*/ mode, /**Object*/ state) {
 			if (typeof mode.copyState === "function") { return mode.copyState(state); }
 			var newState = {};
 			for (var prop in state) {
 				var value = state[prop];
 				newState[prop] = (value instanceof Array) ? value.slice() : value;
 			}
 			return newState;
 		},
 		/** @see <a href="http://codemirror.net/doc/manual.html#modeapi">http://codemirror.net/doc/manual.html#modeapi</a> */
 		defineMode: function(/**String*/ name, /**Function(options, config)*/ modeFactory) {
 			this._modes[name] = modeFactory;
 		},
 		/**
 		 * @param {String} mime
 		 * @param {String|Object} modeSpec
 		 * @see <a href="http://codemirror.net/manual.html#option_mode">http://codemirror.net/manual.html#option_mode</a>
 		 */
 		defineMIME: function(mime, modeSpec) {
 			this.mimeModes[mime] = modeSpec;
 		},
 		/**
 		 * @param {String|Object} modeSpec
 		 * @see <a href="http://codemirror.net/manual.html#option_mode">http://codemirror.net/manual.html#option_mode</a>
 		 * @returns {Object}
 		 */
 		getMode: function(options, modeSpec) {
 			var config = {}, modeFactory;
 			if (typeof modeSpec === "string" && this.mimeModes[modeSpec]) {
 				modeSpec = this.mimeModes[modeSpec];
 			}
 			if (typeof modeSpec === "object") {
 				config = modeSpec;
 				modeFactory = this._modes[modeSpec.name];
 			}
 			modeFactory = modeFactory || this._modes[modeSpec];
 			if (typeof modeFactory !== "function") {
 				throw "Mode not found " + modeSpec;
 			}
 			return modeFactory(options, config);
 		},
 		/**
 		 * @see <a href="http://codemirror.net/doc/manual.html#option_mode">http://codemirror.net/doc/manual.html#option_mode</a>
 		 * @returns {String[]} The mode names.
 		 */
 		listModes: function() {
 			return keys(this._modes);
 		},
 		/**
 		 * @see <a href="http://codemirror.net/doc/manual.html#option_mode">http://codemirror.net/doc/manual.html#option_mode</a>
 		 * @returns {String[]} The MIMEs.
 		 */
 		listMIMEs: function() {
 			return keys(this.mimeModes);
 		},
 		_getModeName: function(mime) {
 			var mname = this.mimeModes[mime];
 			if (typeof mname === "object") { mname = mname.name; }
 			return mname;
 		}
 	};

 	/**
 	 * @name orion.mirror.ModeApplier#HighlightEvent
 	 * @event
 	 * @description Dispatched when the ModeApplier has updated the highlight info for a region of the file.
 	 * @param {Number} start The starting line index of the highlighted region.
 	 * @param {Number} end The ending line index of the highlighted region.
 	 */
 	/**
 	 * @name orion.mirror.MirrorLineStyle
 	 * @class Represents the style provided by a CodeMirror mode for a line.
 	 */
 	/**
 	 * @name orion.mirror.ModeApplier
 	 * @class Driver for CodeMirror modes.
 	 * @description A <code>ModeApplier</code> listens to text changes on a {@link orion.editor.TextModel} and drives
 	 * a CodeMirror mode to calculate highlighting in response to the change. Clients can use the highlighting information
 	 * to style a {@link orion.editor.TextView}.
 	 *
 	 * <p>After a change is made to the {@link orion.editor.TextModel}, ModeApplier immediately updates the highlighting
 	 * information for a small portion of the file around where the change occurred. Successive portions of the file are
 	 * updated by short jobs that run periodically to avoid slowing down the rest of the application.</p>
 	 *
 	 * <p>A {@link #event:HighlightEvent} event is dispatched every time the ModeApplier updates highlighting information for
 	 * a portion of the file. The event contains information about which lines were highlighted. The style for any highlighted
 	 * line can be obtained by calling {@link #getLineStyle}.</p>
 	 *
 	 * @param {orion.editor.TextModel} model The text model to listen to.
 	 * @param {orion.mirror.Mirror} mirror The {@link orion.mirror.Mirror} to use for loading modes.
 	 * @param {Object} [options]
 	 * <!-- @param {Boolean} [options.whitespacesVisible] If <code>true</code>, causes ModeApplier
 	 * to generate style regions for any whitespace characters that are not claimed as tokens by the mode. -->
 	 * @borrows orion.editor.EventTarget#addEventListener as #addEventListener
 	 * @borrows orion.editor.EventTarget#removeEventListener as #removeEventListener
 	 * @borrows orion.editor.EventTarget#dispatchEvent as #dispatchEvent
 	 */
 	function ModeApplier(model, codeMirror, options) {
 		options = options || {};
 		this.model = model;
 		this.codeMirror = codeMirror;
 		this.isWhitespaceVisible = (typeof options.whitespacesVisible === "undefined" ? false : options.whitespacesVisible);

 		this.mode = null;
 		this.isModeLoaded = false;
 		this.lines = []; // Array of {style: Array, eolState: state}
 		this.dirtyLines = [];
 		this.startLine = Number.MAX_VALUE;
 		this.endLine = -1;
 		this.timer = null;

 		this.initialize(model);
 	}

 	var TAB = "token_tab",
 	    SPACE = "token_space",

 	    /* Max number of lines to immediately re-highlight after an edit. Remaining lines are handled by follow-up jobs. */
 	    MAX_REHIGHLIGHT = 500,

 	    /* Time in ms to wait between highlight jobs. */
 	    JOB_INTERVAL = 50,

 	    /* Maximum duration in ms of the re-highlight job.*/
 	    JOB_DURATION = 30,

 	    /*
 	     * During a highlight job, when mode doesn't define a "compareStates" method and we find more than this many
 	     * consecutive unchanged lines, the job aborts. (Assumes rest of file is already correctly highlighted.)
 	     */
 	    ABORT_THRESHOLD = 3,

 	    /* Maximum number of lines to backtrack when searching for previous state to resume parsing from. */
 	    MAX_BACKTRACK = 40;

 	ModeApplier.prototype = /** @lends orion.mirror.ModeApplier.prototype */ {
 		/** @private */
 		initialize: function(model) {
 			var self = this;
 			this.listener = {
 				onModelChanging: function(e) {
 					self._onModelChanging(e);
 				},
 				onModelChanged: function(e) { // Internal detail of TextModel?
 					self._onModelChanged(e);
 				},
 				onDestroy: function(e) {
 					self._onDestroy(e);
 				}
 			};
 			this.model.addEventListener("Changing", this.listener.onModelChanging);
 			this.model.addEventListener("Changed", this.listener.onModelChanged);
 			this.model.addEventListener("Destroy", this.listener.onDestroy);
 		},
 		/** Deactivates this ModeApplier and removes its listeners. */
 		destroy: function() {
 			if (this.model) {
 				this.model.removeEventListener("Changing", this.listener.onModelChanging);
 				this.model.removeEventListener("Changed", this.listener.onModelChanged);
 				this.model.removeEventListener("Destroy", this.listener.onDestroy);
 			}
 			this.model = null;
 			this.codeMirror = null;
 			this.mode = null;
 			this.lines = null;
 			this.dirtyLines = null;
 			clearTimeout(this.timer);
 			this.timer = null;
 		},
 		_onModelChanging: function(e) {
 			this.startLine = this.model.getLineAtOffset(e.start);
 		},
 		_onModelChanged: function(e) {
 			this._dbgEvent(e);
 			var startLine = this.startLine;
 			if (e.removedLineCount || e.addedLineCount) {
 				// Patch up the line styles array; new lines get empty styles
 				Array.prototype.splice.apply(this.lines, [startLine + 1, e.removedLineCount].concat(this._newLines(e.addedLineCount)));
 			}
 			if (!this.mode) {
 				return;
 			}
 			// We need to continue at least until editEndLine, and possibly beyond up to MAX_REHIGHLIGHT
 			var editEndLine = Math.max(e.addedLineCount, e.removedLineCount);
 			var endLine = startLine + Math.min(editEndLine, MAX_REHIGHLIGHT);
 			this.highlight(startLine, endLine);

 			// Launch a job to fix up the rest of the buffer
 			this.highlightLater(endLine + 1);
 		},
 		_onDestroy: function(e) {
 			this.destroy();
 		},
 		/** @private */
 		setViewportIndex: function(viewportIndex) {
 			// TODO this is for the viewport-priority case
 			this.viewportIndex = viewportIndex;
 		},
 		_dbgEvent: function(e) {
 //			var str = keys(e).map(function(p) {
 //				return p + ": " + e[p];
 //			});
 //			console.debug( str.join(", ") );
 		},
 		_dbgStyle: function() {
 //			var r = [];
 //			for (var i=0; i < this.lines.length; i++) {
 //				var style = this.lines[i].style || [];
 //				var l = "" + i + ": " ;
 //				for (var j=0; j < style.length; j++) {
 //					var region = style[j];
 //					l += region[0] + "," + region[1] + "\"" + region[2] + "\" ";
 //				}
 //				r.push(l);
 //			}
 //			console.debug(r.join("\n"));
 		},
 		_newLines: function(n, startIndex) {
 			if (typeof startIndex === "undefined") { startIndex = 0; }
 			var newLines = [];
 			for (var i=0; i < n; i++) {
 				newLines.push({
 					style: null,
 					eolState: null
 				});
 			}
 			return newLines;
 		},
 		/**
 		 * Sets the CodeMirror mode to be used for highlighting. The mode must be registered with the {@link orion.mirror.Mirror}
 		 * that this <code>ModeApplier</code> was created with. (The methods {@link orion.mirror.Mirror#defineMode} and
 		 * {@link orion.mirror.Mirror#defineMIME} can be used to register a mode with a Mirror.)
 		 * @param {String} modeSpec Mode name or MIME type.
 		 * @param {Boolean} [highlightImmediately=false]
 		 */
 		setMode: function(modeSpec, highlightImmediately) {
 			if (!modeSpec) { return; }
 			this.mode = this.codeMirror.getMode(this.codeMirror.options, modeSpec);
 			this.lines = this._newLines(this.model.getLineCount());
 			if (highlightImmediately) {
 				this.highlight();
 			}
 		},
 		/**
 		 * Highlights the given range of lines.
 		 * @param {Number} [startLine]
 		 * @param {Number} [endLine]
 		 * @param {Boolean} [partial=false] If <code>true</code>, this function is assumed to be running as part of a larger
 		 * operation, and will not dispatch a {@link #event:HighlightEvent}.
 		 */
 		highlight: function(startLine, endLine, partial) {
 			if (!this.mode) {
 				return;
 			}
 			var lineCount = this.model.getLineCount();
 			startLine = typeof startLine === "undefined" ? 0 : startLine;
 			endLine = typeof endLine === "undefined" ? lineCount - 1 : Math.min(endLine, lineCount - 1);
 			var mode = this.mode;
 			var state = this.getState(startLine);
 			for (var i = startLine; i <= endLine; i++) {
 				var line = this.lines[i];
 				this.highlightLine(i, line, state);
 				line.eolState = this.codeMirror.copyState(mode, state);
 			}
 //			console.debug("Highlighted " + startLine + " to " + endLine);
 			this._expandRange(startLine, endLine);
 			if (!partial) {
 				this.onHighlightDone();
 			}
 		},
 		/**
 		 * Schedules a job that will begin highlighting from <code>startLine</code>. The job runs for a short amount of time,
 		 * after which it dispatches a {@link #event:HighlightEvent} indicating its progress, and yields. Follow-up jobs are
 		 * scheduled automatically if there's more highlighting to be done.
 		 */
 		highlightLater: function(/**Number*/ startLine) {
 			this.dirtyLines.push(startLine);
 			var self = this;
 			this.timer = setTimeout(function() {
 				self._highlightJob();
 			}, JOB_INTERVAL);
 		},
 		/**
 		 * Highlights starting from some dirty line index. Potentially continues up to model.getLineCount(). If this function runs
 		 * for longer than JOB_DURATION, it schedules a follow-up job to continue the work, and returns. A HighlightEvent is
 		 * dispatched just before this function finishes.
 		 */
 		_highlightJob: function() {
 			var stopTime = +new Date() + JOB_DURATION, compareStates = this.mode.compareStates, lineCount = this.model.getLineCount();
 			while (this.dirtyLines.length) {
 				// TODO support viewport priority
 				var viewportIndex = this.viewportIndex, viewportLine = this.lines[viewportIndex], lineIndex;
 				if (viewportLine && !viewportLine.eolState) {
 					lineIndex = viewportIndex;
 				} else {
 					lineIndex = this.dirtyLines.pop();
 				}
 				if (lineIndex >= lineCount) {
 					break;
 				}
 				this._expandRange(lineIndex, lineIndex);
 				var resumeIndex = this._getResumeLineIndex(lineIndex), startIndex = resumeIndex + 1;
 				var state = (resumeIndex >= 0) && this.lines[resumeIndex].eolState;
 				state = state ? this.codeMirror.copyState(this.mode, state) : this.mode.startState();

 				var numUnchanged = 0;
 				for (var i=startIndex; i < lineCount; i++) {
 					var l = this.lines[i];
 					var oldState = l.eolState;
 					var isChanged = this.highlightLine(i, l, state);
 					l.eolState = this.codeMirror.copyState(this.mode, state);
 					if (isChanged) {
 						this._expandRange(startIndex, i+1);
 					}
 					var isCompareStop = compareStates && oldState && compareStates(oldState, l.eolState);
 					var isHeuristicStop = !compareStates && !isChanged && (numUnchanged++ > ABORT_THRESHOLD);
 					if (isCompareStop || isHeuristicStop) {
 						break; // Abort completely. Don't highlight any more lines
 					} else if (!oldState || isChanged) {
 						numUnchanged = 0;
 					}
 					var workRemains = i < lineCount || this.dirtyLines.length;
 					var timeElapsed = +new Date() > stopTime && workRemains;
 					if (timeElapsed) {
 						// Stop, continue later
 						//this._expandRange(startIndex, i + 1);
 						this.highlightLater(i + 1);
 						this.onHighlightDone();
 						return; // TODO clean up terminating condition
 					}
 				}
 			}
 			this.onHighlightDone();
 		},
 		/** Called when some highlighting has been performed. Dispatches a {@link #event:HighlightEvent}. */
 		onHighlightDone: function() {
 			if (this.startLine !== Number.MAX_VALUE && this.endLine !== -1) {
 				this.dispatchEvent({
 					type: "Highlight",
 					start: this.startLine,
 					end: this.endLine
 				});
 			}
 			this.startLine = Number.MAX_VALUE;
 			this.endLine = -1;
 		},
 		_getResumeLineIndex: function(lineIndex) {
 			var lines = this.lines;
 			for (var i = lineIndex - 1; i >= 0; i--) {
 				if (lines[i].eolState || lineIndex - i > MAX_BACKTRACK) {
 					return i;
 				}
 			}
 			return -1;
 		},
 		/**
 		 * Returns the state we can use for parsing from the start of the <i><code>lineIndex</code></i>th line.
 		 * @returns {Object} The state. This object is safe to mutate.
 		 */
 		getState: function(/**Number*/ lineIndex) {
 			var mode = this.mode, lines = this.lines;
 			var i, line;
 			for (i = lineIndex-1; i >= 0; i--) {
 				line = lines[i];
 				if (line.eolState || lineIndex - i > MAX_BACKTRACK) {
 					// CodeMirror optimizes by using least-indented line; we just use this line
 					break;
 				}
 			}
 			var state = (i >= 0) && lines[i].eolState;
 			if (state) {
 				state = this.codeMirror.copyState(mode, state);
 				// Highlight from i up to lineIndex-1
 				i = Math.max(0, i);
 				for (var j = i; j < lineIndex-1; j++) {
 					line = lines[j];
 					this.highlightLine(j, line, state);
 					line.eolState = this.codeMirror.copyState(mode, state);
 				}
 				return state; // is a copy of lines[lineIndex - 1].eolState
 			} else {
 				return mode.startState();
 			}
 		},
 		/**
 		 * Highlights a single line.
 		 * @param {Number} lineIndex
 		 * @param {Object} line
 		 * @param {Object} state The state to use for parsing from the start of the line.
 		 */
 		highlightLine: function(lineIndex, line, state) {
 			if (!this.mode) {
 				return;
 			}
 			var model = this.model;
 			if (model.getLineStart(lineIndex) === model.getLineEnd(lineIndex) && this.mode.blankLine) {
 				this.mode.blankLine(state);
 			}
 			var style = line.style || [];
 			var text = model.getLine(lineIndex);
 			var stream = new Stream(text);
 			var isChanged = !line.style;
 			var newStyle = [], ws;
 			for (var i=0; !stream.eol(); i++) {
 				var tok = this.mode.token(stream, state) || null;
 				var tokStr = stream.current();
 				ws = this._whitespaceStyle(tok, tokStr, stream.tokenStart);
 				if (ws) {
 					// TODO Replace this (null) token with whitespace tokens. Do something smart
 					// to figure out isChanged, I guess
 				}
 				var newS = [stream.tokenStart, stream.pos, tok]; // shape is [start, end, token]
 				var oldS = style[i];
 				newStyle.push(newS);
 				isChanged = isChanged || !oldS || oldS[0] !== newS[0] || oldS[1] !== newS[1] || oldS[2] !== newS[2];
 				stream.advance();
 			}
 			isChanged = isChanged || (newStyle.length !== style.length);
 			if (isChanged) { line.style = newStyle.length ? newStyle : null; }
 			return isChanged;
 		},
 		/**
 		 * If given an un-token'd chunk of whitespace, returns whitespace style tokens for it.
 		 * @returns {Array} The whitespace styles for the token, or null.
 		 */
 		_whitespaceStyle: function(token, str, pos) {
 			if (!token && this.isWhitespaceVisible && /\s+/.test(str)) {
 				var whitespaceStyles = [], start, type;
 				for (var i=0; i < str.length; i++) {
 					var chr = str[i];
 					if (chr !== type) {
 						if (type) {
 							whitespaceStyles.push([pos + start, pos + i, (type === "\t" ? TAB : SPACE)]);
 						}
 						start = i;
 						type = chr;
 					}
 				}
 				whitespaceStyles.push([pos + start, pos + i, (type === "\t" ? TAB : SPACE)]);
 				return whitespaceStyles;
 			}
 			return null;
 		},
 		_expandRange: function(startLine, endLine) {
 			this.startLine = Math.min(this.startLine, startLine);
 			this.endLine = Math.max(this.endLine, endLine);
 		},
 		/**
 		 * Converts a <code>MirrorLineStyle</code> to a {@link orion.editor.StyleRange[]}.
 		 * @param {orion.mirror.MirrorLineStyle} style The line style to convert.
 		 * @param {Number} [lineIndex] The line index of the line having the given style. If omitted, the returned
 		 * {@link orion.editor.StyleRange[]} objects will have offsets relative to the line, not the document.
 		 *
 		 * @returns {Array} An array of 2 elements. The first element is an {@link orion.editor.StyleRange[]} giving the styles for the line.
 		 * The second element is an {@link orion.editor.StyleRange[]} containing only those elements of the first array that represent
 		 * syntax errors. (By CodeMirror convention, anything assigned the <code>"cm-error"</code> tag is assumed to be an error).</p>
 		 */
 		toStyleRangesAndErrors: function(lineStyle, lineIndex) {
 			function token2Class(token) {
 				if (!token) { return null; }
 				if (token === TAB || token === SPACE) { return token; }
 				return "cm-" + token;
 			}
 			var style = lineStyle.style;
 			if (!style) { return null; }
 			var ranges = [], errors = [];
 			var offset = (typeof lineIndex === "undefined") ? 0 : this.model.getLineStart(lineIndex);
 			for (var i=0; i < style.length; i++) {
 				var elem = style[i]; // shape is [start, end, token]
 				var className = token2Class(elem[2]);
 				if (!className) { continue; }
 				var obj = {
 					start: offset + elem[0],
 					end: offset + elem[1],
 					style: {styleClass: className} };
 				ranges.push(obj);
 				if (className === "cm-error") {
 					errors.push(obj);
 				}
 			}
 			return [ranges, errors];
 		},
 		/** @returns {orion.mirror.MirrorLineStyle} */
 		getLineStyle: function(/**Number*/ lineIndex) {
 			return this.lines[lineIndex];
 		},
 		/** @returns {orion.mirror.MirrorLineStyle[]} */
 		getLineStyles: function() {
 			return this.lines;
 		}
 	};
 	mEventTarget.EventTarget.addMixin(ModeApplier.prototype);

 	/**
 	 * @name orion.mirror.CodeMirrorStyler
 	 * @class A styler that uses CodeMirror modes to provide styles for a {@link orion.editor.TextView}.
 	 * @description A <code>CodeMirrorStyler</code> applies one or more CodeMirror modes to provide styles for a {@link orion.editor.TextView}.
 	 * It uses modes that are registered with the {@link orion.mirror.Mirror} object passed to the CodeMirrorStyler constructor.
 	 *
 	 * <p>The process for using CodeMirrorStyler is as follows:</p>
 	 * <ol>
 	 * <li>Create a {@link orion.mirror.Mirror}.</li>
 	 * <li>Load the modes you want to use and register them with the <code>Mirror</code> using {@link orion.mirror.Mirror#defineMode}.
 	 * <p>Note that the <a href="https://github.com/marijnh/CodeMirror2/tree/master/mode">modes included with CodeMirror</a> expect
 	 * a global variable named "CodeMirror" to be available. If you intend to use these modes without modification, you must first
 	 * expose your Mirror as a global variable. See the {@link orion.mirror.Mirror} documentation for details.</p>
 	 * </li>
 	 * <li>Call {@link #setMode} to tell the styler what mode to use for highlighting the view.
 	 * <p>Note that the mode may refer to other modes to process nested language text. In such cases, you should ensure that all
 	 * dependent modes have been registered with the Mirror before calling {@link #setMode}.</p>
 	 * </li>
 	 *
 	 * @param {orion.editor.TextView} textView The TextView to provide style for.
 	 * @param {orion.mirror.Mirror} codeMirror The Mirror object to load modes from.
 	 * @param {orion.editor.AnnotationModel} [annotationModel]
 	 */
 	function CodeMirrorStyler(textView, codeMirror, annotationModel) {
 		this.init(textView, codeMirror, annotationModel);
 	}

 	var LINESTYLE_OVERSHOOT = 20;
 	var HIGHLIGHT_ERROR_ANNOTATION = "orion.annotation.highlightError";
 	mAnnotations.AnnotationType.registerType(HIGHLIGHT_ERROR_ANNOTATION, {
 		title: messages.syntaxError,
 		html: "<div class='annotationHTML error'></div>",
 		rangeStyle: {styleClass: "annotationRange error"}
 	});

 	CodeMirrorStyler.prototype = /** @lends orion.mirror.CodeMirrorStyler.prototype */ {
 		/** @private */
 		init: function(textView, codeMirror, annotationModel) {
 			this.textView = textView;
 			this.annotationModel = annotationModel;
 			this.modeApplier = new ModeApplier(textView.getModel(), codeMirror);
 			var self = this;
 			this.listener = {
 				onLineStyle: function(e) {
 					self.onLineStyle(e);
 				},
 				onDestroy: function(e) {
 					self.onDestroy(e);
 				},
 				onHighlight: function(e) {
 					self.onHighlight(e);
 				}
 			};
 			textView.addEventListener("LineStyle", this.listener.onLineStyle);
 			textView.addEventListener("Destroy", this.listener.onDestroy);
 			this.modeApplier.addEventListener("Highlight", this.listener.onHighlight);
 		},
 		/** Deactivates this styler and removes its listeners. */
 		destroy: function() {
 			if (this.modeApplier) {
 				this.modeApplier.removeEventListener("Highlight", this.listener.onHighlight);
 				this.modeApplier.destroy();
 			}
 			if (this.annotationModel) {
 				// remove annotation listeners
 			}
 			if (this.textView) {
 				this.textView.removeEventListener("LineStyle", this.listener.onLineStyle);
 				this.textView.removeEventListener("Destroy", this.listener.onDestroy);
 			}
 			this.textView = null;
 			this.annotationModel = null;
 			this.modeApplier = null;
 			this.listener = null;
 		},
 		/**
 		 * Sets the CodeMirror mode that this styler will use for styling the view.
 		 * @param {String} modeSpec Name of the mode to use (eg. <code>"css"</code>), or a MIME type defined by the mode
 		 * (eg. <code>"text/css"</code>).
 		 */
 		setMode: function(modeSpec) {
 			this.modeApplier.setMode(modeSpec);
 		},
 		/** @private */
 		onLineStyle: function(e) {
 			var lineIndex = e.lineIndex, modeApplier = this.modeApplier, style = modeApplier.getLineStyle(lineIndex);
 			if (!(style && style.eolState)) {
 				// Start highlighting from lineIndex, do a few more lines
 				var lineCount = this.textView.getModel().getLineCount();
 				modeApplier.highlight(lineIndex, Math.min(lineIndex + LINESTYLE_OVERSHOOT, lineCount - 1), true /*don't dispatch*/);
 				style = modeApplier.getLineStyle(lineIndex);
 			}
 			var model = this.textView.getModel();
 			if (style) {
 				// Now we have a style for the line. It may not be correct in the case where lineIndex is at the end of a large
 				// buffer. But in that case, the highlight job kicked off by ModelChanged will eventually reach it and fix it up.
 				var rangesAndErrors = modeApplier.toStyleRangesAndErrors(style, lineIndex);
 				if (rangesAndErrors) {
 					e.ranges = rangesAndErrors[0];
 					var annotationModel = this.annotationModel;
 					if (annotationModel) {
 						var toRemove = [], toAdd = [];
 						var errors = rangesAndErrors[1];
 						if (errors) {
 							for (var i=0; i < errors.length; i++) {
 								var error = errors[i];
 								if (error.style.styleClass === "cm-error") {
 									toAdd.push(mAnnotations.AnnotationType.createAnnotation(HIGHLIGHT_ERROR_ANNOTATION, error.start, error.end));
 								}
 							}
 						}
 						var annos = annotationModel.getAnnotations(model.getLineStart(lineIndex), model.getLineEnd(lineIndex));
 						while (annos.hasNext()) {
 							var anno = annos.next();
 							if (anno.type === HIGHLIGHT_ERROR_ANNOTATION) {
 								toRemove.push(anno);
 							}
 						}
 						annotationModel.replaceAnnotations(toRemove, toAdd);
 					}
 				}
 			}
 		},
 		/** @private */
 		onHighlight: function(e) {
 			// If the highlighted lines are in view, redraw them
 			var start = e.start, end = e.end;
 			this.textView.redrawLines(start, end);
 		},
 		/** @private */
 		onDestroy: function(e) {
 			this.destroy();
 		}
 	};

 	return {
 		Mirror: Mirror,
 		ModeApplier: ModeApplier,
 		CodeMirrorStyler: CodeMirrorStyler
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*jslint regexp:false laxbreak:true*/
 /*global define */

 define("orion/editor/textMateStyler", ['orion/regex' ], function(mRegex) {

 var RegexUtil = {
 	// Rules to detect some unsupported Oniguruma features
 	unsupported: [
 		{regex: /\(\?[ims\-]:/, func: function(match) { return "option on/off for subexp"; }},
 		{regex: /\(\?<([=!])/, func: function(match) { return (match[1] === "=") ? "lookbehind" : "negative lookbehind"; }},
 		{regex: /\(\?>/, func: function(match) { return "atomic group"; }}
 	],

 	/**
 	 * @param {String} str String giving a regular expression pattern from a TextMate grammar.
 	 * @param {String} [flags] [ismg]+
 	 * @returns {RegExp}
 	 */
 	toRegExp: function(str) {
 		function fail(feature, match) {
 			throw new Error("Unsupported regex feature \"" + feature + "\": \"" + match[0] + "\" at index: "
 					+ match.index + " in " + match.input);
 		}
 		// Turns an extended regex pattern into a normal one
 		function normalize(/**String*/ str) {
 			var result = "";
 			var insideCharacterClass = false;
 			var len = str.length;
 			for (var i=0; i < len; ) {
 				var chr = str.charAt(i);
 				if (!insideCharacterClass && chr === "#") {
 					// skip to eol
 					while (i < len && chr !== "\r" && chr !== "\n") {
 						chr = str.charAt(++i);
 					}
 				} else if (!insideCharacterClass && /\s/.test(chr)) {
 					// skip whitespace
 					while (i < len && /\s/.test(chr)) {
 						chr = str.charAt(++i);
 					}
 				} else if (chr === "\\") {
 					result += chr;
 					if (!/\s/.test(str.charAt(i+1))) {
 						result += str.charAt(i+1);
 						i += 1;
 					}
 					i += 1;
 				} else if (chr === "[") {
 					insideCharacterClass = true;
 					result += chr;
 					i += 1;
 				} else if (chr === "]") {
 					insideCharacterClass = false;
 					result += chr;
 					i += 1;
 				} else {
 					result += chr;
 					i += 1;
 				}
 			}
 			return result;
 		}

 		var flags = "";
 		var i;

 		// Handle global "x" flag (whitespace/comments)
 		str = RegexUtil.processGlobalFlag("x", str, function(subexp) {
 				return normalize(subexp);
 			});

 		// Handle global "i" flag (case-insensitive)
 		str = RegexUtil.processGlobalFlag("i", str, function(subexp) {
 				flags += "i";
 				return subexp;
 			});

 		// Check for remaining unsupported syntax
 		for (i=0; i < this.unsupported.length; i++) {
 			var match;
 			if ((match = this.unsupported[i].regex.exec(str))) {
 				fail(this.unsupported[i].func(match), match);
 			}
 		}

 		return new RegExp(str, flags);
 	},

 	/**
 	 * Checks if flag applies to entire pattern. If so, obtains replacement string by calling processor
 	 * on the unwrapped pattern. Handles 2 possible syntaxes: (?f)pat and (?f:pat)
 	 * @param {String} flag
 	 * @param {String} str
 	 * @param {Function} processor
 	 */
 	processGlobalFlag: function(flag, str, processor) {
 		function getMatchingCloseParen(/*String*/pat, /*Number*/start) {
 			var depth = 0,
 			    len = pat.length,
 			    flagStop = -1;
 			for (var i=start; i < len && flagStop === -1; i++) {
 				switch (pat.charAt(i)) {
 					case "\\":
 						i++; // escape: skip next char
 						break;
 					case "(":
 						depth++;
 						break;
 					case ")":
 						depth--;
 						if (depth === 0) {
 							flagStop = i;
 						}
 						break;
 				}
 			}
 			return flagStop;
 		}
 		var flag1 = "(?" + flag + ")",
 		    flag2 = "(?" + flag + ":";
 		if (str.substring(0, flag1.length) === flag1) {
 			return processor(str.substring(flag1.length));
 		} else if (str.substring(0, flag2.length) === flag2) {
 			var flagStop = getMatchingCloseParen(str, 0);
 			if (flagStop < str.length-1) {
 				throw new Error("Only a " + flag2 + ") group that encloses the entire regex is supported in: " + str);
 			}
 			return processor(str.substring(flag2.length, flagStop));
 		}
 		return str;
 	},

 	hasBackReference: function(/**RegExp*/ regex) {
 		return (/\\\d+/).test(regex.source);
 	},

 	/** @returns {RegExp} A regex made by substituting any backreferences in <code>regex</code> for the value of the property
 	 * in <code>sub</code> with the same name as the backreferenced group number. */
 	getSubstitutedRegex: function(/**RegExp*/ regex, /**Object*/ sub, /**Boolean*/ escape) {
 		escape = (typeof escape === "undefined") ? true : false;
 		var exploded = regex.source.split(/(\\\d+)/g);
 		var array = [];
 		for (var i=0; i < exploded.length; i++) {
 			var term = exploded[i];
 			var backrefMatch = /\\(\d+)/.exec(term);
 			if (backrefMatch) {
 				var text = sub[backrefMatch[1]] || "";
 				array.push(escape ? mRegex.escape(text) : text);
 			} else {
 				array.push(term);
 			}
 		}
 		return new RegExp(array.join(""));
 	},

 	/**
 	 * Builds a version of <code>regex</code> with every non-capturing term converted into a capturing group. This is a workaround
 	 * for JavaScript's lack of API to get the index at which a matched group begins in the input string.<p>
 	 * Using the "groupified" regex, we can sum the lengths of matches from <i>consuming groups</i> 1..n-1 to obtain the
 	 * starting index of group n. (A consuming group is a capturing group that is not inside a lookahead assertion).</p>
 	 * Example: groupify(/(a+)x+(b+)/) === /(a+)(x+)(b+)/<br />
 	 * Example: groupify(/(?:x+(a+))b+/) === /(?:(x+)(a+))(b+)/
 	 * @param {RegExp} regex The regex to groupify.
 	 * @param {Object} [backRefOld2NewMap] Optional. If provided, the backreference numbers in regex will be updated using the
 	 * properties of this object rather than the new group numbers of regex itself.
 	 * <ul><li>[0] {RegExp} The groupified version of the input regex.</li>
 	 * <li>[1] {Object} A map containing old-group to new-group info. Each property is a capturing group number of <code>regex</code>
 	 * and its value is the corresponding capturing group number of [0].</li>
 	 * <li>[2] {Object} A map indicating which capturing groups of [0] are also consuming groups. If a group number is found
 	 * as a property in this object, then it's a consuming group.</li></ul>
 	 */
 	groupify: function(regex, backRefOld2NewMap) {
 		var NON_CAPTURING = 1,
 		    CAPTURING = 2,
 		    LOOKAHEAD = 3,
 		    NEW_CAPTURING = 4;
 		var src = regex.source,
 		    len = src.length;
 		var groups = [],
 		    lookaheadDepth = 0,
 		    newGroups = [],
 		    oldGroupNumber = 1,
 		    newGroupNumber = 1;
 		var result = [],
 		    old2New = {},
 		    consuming = {};
 		for (var i=0; i < len; i++) {
 			var curGroup = groups[groups.length-1];
 			var chr = src.charAt(i);
 			switch (chr) {
 				case "(":
 					// If we're in new capturing group, close it since ( signals end-of-term
 					if (curGroup === NEW_CAPTURING) {
 						groups.pop();
 						result.push(")");
 						newGroups[newGroups.length-1].end = i;
 					}
 					var peek2 = (i + 2 < len) ? (src.charAt(i+1) + "" + src.charAt(i+2)) : null;
 					if (peek2 === "?:" || peek2 === "?=" || peek2 === "?!") {
 						// Found non-capturing group or lookahead assertion. Note that we preserve non-capturing groups
 						// as such, but any term inside them will become a new capturing group (unless it happens to
 						// also be inside a lookahead).
 						var groupType;
 						if (peek2 === "?:") {
 							groupType = NON_CAPTURING;
 						} else {
 							groupType = LOOKAHEAD;
 							lookaheadDepth++;
 						}
 						groups.push(groupType);
 						newGroups.push({ start: i, end: -1, type: groupType /*non capturing*/ });
 						result.push(chr);
 						result.push(peek2);
 						i += peek2.length;
 					} else {
 						groups.push(CAPTURING);
 						newGroups.push({ start: i, end: -1, type: CAPTURING, oldNum: oldGroupNumber, num: newGroupNumber });
 						result.push(chr);
 						if (lookaheadDepth === 0) {
 							consuming[newGroupNumber] = null;
 						}
 						old2New[oldGroupNumber] = newGroupNumber;
 						oldGroupNumber++;
 						newGroupNumber++;
 					}
 					break;
 				case ")":
 					var group = groups.pop();
 					if (group === LOOKAHEAD) { lookaheadDepth--; }
 					newGroups[newGroups.length-1].end = i;
 					result.push(chr);
 					break;
 				case "*":
 				case "+":
 				case "?":
 				case "}":
 					// Unary operator. If it's being applied to a capturing group, we need to add a new capturing group
 					// enclosing the pair
 					var op = chr;
 					var prev = src.charAt(i-1),
 					    prevIndex = i-1;
 					if (chr === "}") {
 						for (var j=i-1; src.charAt(j) !== "{" && j >= 0; j--) {}
 						prev = src.charAt(j-1);
 						prevIndex = j-1;
 						op = src.substring(j, i+1);
 					}
 					var lastGroup = newGroups[newGroups.length-1];
 					if (prev === ")" && (lastGroup.type === CAPTURING || lastGroup.type === NEW_CAPTURING)) {
 						// Shove in the new group's (, increment num/start in from [lastGroup.start .. end]
 						result.splice(lastGroup.start, 0, "(");
 						result.push(op);
 						result.push(")");
 						var newGroup = { start: lastGroup.start, end: result.length-1, type: NEW_CAPTURING, num: lastGroup.num };
 						for (var k=0; k < newGroups.length; k++) {
 							group = newGroups[k];
 							if (group.type === CAPTURING || group.type === NEW_CAPTURING) {
 								if (group.start >= lastGroup.start && group.end <= prevIndex) {
 									group.start += 1;
 									group.end += 1;
 									group.num = group.num + 1;
 									if (group.type === CAPTURING) {
 										old2New[group.oldNum] = group.num;
 									}
 								}
 							}
 						}
 						newGroups.push(newGroup);
 						newGroupNumber++;
 						break;
 					} else {
 						// Fallthrough to default
 					}
 				default:
 					if (chr !== "|" && curGroup !== CAPTURING && curGroup !== NEW_CAPTURING) {
 						// Not in a capturing group, so make a new one to hold this term.
 						// Perf improvement: don't create the new group if we're inside a lookahead, since we don't
 						// care about them (nothing inside a lookahead actually consumes input so we don't need it)
 						if (lookaheadDepth === 0) {
 							groups.push(NEW_CAPTURING);
 							newGroups.push({ start: i, end: -1, type: NEW_CAPTURING, num: newGroupNumber });
 							result.push("(");
 							consuming[newGroupNumber] = null;
 							newGroupNumber++;
 						}
 					}
 					result.push(chr);
 					if (chr === "\\") {
 						var peek = src.charAt(i+1);
 						// Eat next so following iteration doesn't think it's a real special character
 						result.push(peek);
 						i += 1;
 					}
 					break;
 			}
 		}
 		while (groups.length) {
 			// Close any remaining new capturing groups
 			groups.pop();
 			result.push(")");
 		}
 		var newRegex = new RegExp(result.join(""));

 		// Update backreferences so they refer to the new group numbers. Use backRefOld2NewMap if provided
 		var subst = {};
 		backRefOld2NewMap = backRefOld2NewMap || old2New;
 		for (var prop in backRefOld2NewMap) {
 			if (backRefOld2NewMap.hasOwnProperty(prop)) {
 				subst[prop] = "\\" + backRefOld2NewMap[prop];
 			}
 		}
 		newRegex = this.getSubstitutedRegex(newRegex, subst, false);

 		return [newRegex, old2New, consuming];
 	},

 	/** @returns {Boolean} True if the captures object assigns scope to a matching group other than "0". */
 	complexCaptures: function(capturesObj) {
 		if (!capturesObj) { return false; }
 		for (var prop in capturesObj) {
 			if (capturesObj.hasOwnProperty(prop)) {
 				if (prop !== "0") {
 					return true;
 				}
 			}
 		}
 		return false;
 	}
 };

 	/**
 	 * @private
 	 * @param obj {Object} A JSON-ish object.
 	 * @returns {Object} Deep copy of <code>obj</code>. Does not work on properties that are functions or RegExp instances.
 	 */
 	function clone(obj) {
 		var c;
 		if (obj instanceof Array) {
 			c = new Array(obj.length);
 			for (var i=0; i < obj.length; i++) {
 				c[i] = clone(obj[i]);
 			}
 		} else {
 			c = {};
 			for (var prop in obj) {
 				if (Object.prototype.hasOwnProperty.call(obj, prop)) {
 					var value = obj[prop];
 					if (typeof value === "object" && value !== null) {
 						c[prop] = clone(value);
 					} else {
 						c[prop] = value;
 					}
 				}
 			}
 		}
 		return c;
 	}

 	/**
 	 * @name orion.editor.TextMateStyler
 	 * @class A styler that knows how to apply a subset of the TextMate grammar format to style a line.
 	 *
 	 * <h4>Styling from a grammar:</h4>
 	 * <p>Each scope name given in the grammar is converted to an array of CSS class names. For example
 	 * a region of text with scope <code>keyword.control.php</code> will be assigned the CSS classes<br />
 	 * <code>keyword, keyword-control, keyword-control-php</code></p>
 	 *
 	 * <p>A CSS file can give rules matching any of these class names to provide generic or more specific styling.
 	 * For example,</p>
 	 * <p><code>.keyword { font-color: blue; }</code></p>
 	 * <p>colors all keywords blue, while</p>
 	 * <p><code>.keyword-control-php { font-weight: bold; }</code></p>
 	 * <p>bolds only PHP control keywords.</p>
 	 *
 	 * <p>This is useful when using grammars that adhere to TextMate's
 	 * <a href="http://manual.macromates.com/en/language_grammars.html#naming_conventions">scope name conventions</a>,
 	 * as a single CSS rule can provide consistent styling to similar constructs across different languages.</p>
 	 *
 	 * <h4>Top-level grammar constructs:</h4>
 	 * <ul><li><code>patterns, repository</code> (with limitations, see "Other Features") are supported.</li>
 	 * <li><code>scopeName, firstLineMatch, foldingStartMarker, foldingStopMarker</code> are <b>not</b> supported.</li>
 	 * <li><code>fileTypes</code> is <b>not</b> supported. When using the Orion service registry, the "orion.edit.highlighter"
 	 * service serves a similar purpose.</li>
 	 * </ul>
 	 *
 	 * <h4>Regular expression constructs:</h4>
 	 * <ul>
 	 * <li><code>match</code> patterns are supported.</li>
 	 * <li><code>begin .. end</code> patterns are supported.</li>
 	 * <li>The "extended" regex forms <code>(?x)</code> and <code>(?x:...)</code> are supported, but <b>only</b> when they
 	 * apply to the entire regex pattern.</li>
 	 * <li>Matching is done using native JavaScript <code>RegExp</code>s. As a result, many features of the Oniguruma regex
 	 * engine used by TextMate are <b>not</b> supported.
 	 * Unsupported features include:
 	 *   <ul><li>Named captures</li>
 	 *   <li>Setting flags inside subgroups (eg. <code>(?i:a)b</code>)</li>
 	 *   <li>Lookbehind and negative lookbehind</li>
 	 *   <li>Subexpression call</li>
 	 *   <li>etc.</li>
 	 *   </ul>
 	 * </li>
 	 * </ul>
 	 *
 	 * <h4>Scope-assignment constructs:</h4>
 	 * <ul>
 	 * <li><code>captures, beginCaptures, endCaptures</code> are supported.</li>
 	 * <li><code>name</code> and <code>contentName</code> are supported.</li>
 	 * </ul>
 	 *
 	 * <h4>Other features:</h4>
 	 * <ul>
 	 * <li><code>applyEndPatternLast</code> is supported.</li>
 	 * <li><code>include</code> is supported, but only when it references a rule in the current grammar's <code>repository</code>.
 	 * Including <code>$self</code>, <code>$base</code>, or <code>rule.from.another.grammar</code> is <b>not</b> supported.</li>
 	 * </ul>
 	 *
 	 * @description Creates a new TextMateStyler.
 	 * @extends orion.editor.AbstractStyler
 	 * @param {orion.editor.TextView} textView The <code>TextView</code> to provide styling for.
 	 * @param {Object} grammar The TextMate grammar to use for styling the <code>TextView</code>, as a JavaScript object. You can
 	 * produce this object by running a PList-to-JavaScript conversion tool on a TextMate <code>.tmLanguage</code> file.
 	 * @param {Object[]} [externalGrammars] Additional grammar objects that will be used to resolve named rule references.
 	 */
 	function TextMateStyler(textView, grammar, externalGrammars) {
 		this.initialize(textView);
 		// Copy grammar object(s) since we will mutate them
 		this.grammar = clone(grammar);
 		this.externalGrammars = externalGrammars ? clone(externalGrammars) : [];

 		this._styles = {}; /* key: {String} scopeName, value: {String[]} cssClassNames */
 		this._tree = null;
 		this._allGrammars = {}; /* key: {String} scopeName of grammar, value: {Object} grammar */
 		this.preprocess(this.grammar);
 	}
 	TextMateStyler.prototype = /** @lends orion.editor.TextMateStyler.prototype */ {
 		initialize: function(textView) {
 			this.textView = textView;
 			this.textView.stylerOptions = this;
 			var self = this;

 			this._listener = {
 				onModelChanged: function(e) {
 					self.onModelChanged(e);
 				},
 				onDestroy: function(e) {
 					self.onDestroy(e);
 				},
 				onLineStyle: function(e) {
 					self.onLineStyle(e);
 				},
 				onStorage: function(e){
 					self.onStorage(e);
 				}
 			};
 			textView.addEventListener("ModelChanged", this._listener.onModelChanged);
 			textView.addEventListener("Destroy", this._listener.onDestroy);
 			textView.addEventListener("LineStyle", this._listener.onLineStyle);
 			textView.redrawLines();
 		},
 		onDestroy: function(/**eclipse.DestroyEvent*/ e) {
 			this.destroy();
 		},
 		destroy: function() {
 			if (this.textView) {
 				this.textView.removeEventListener("ModelChanged", this._listener.onModelChanged);
 				this.textView.removeEventListener("Destroy", this._listener.onDestroy);
 				this.textView.removeEventListener("LineStyle", this._listener.onLineStyle);
 				this.textView = null;
 			}
 			this.grammar = null;
 			this._styles = null;
 			this._tree = null;
 			this._listener = null;
 		},
 		/** @private */
 		preprocess: function(grammar) {
 			var stack = [grammar];
 			for (; stack.length !== 0; ) {
 				var rule = stack.pop();
 				if (rule._resolvedRule && rule._typedRule) {
 					continue;
 				}
 //					console.debug("Process " + (rule.include || rule.name));

 				// Look up include'd rule, create typed *Rule instance
 				rule._resolvedRule = this._resolve(rule);
 				rule._typedRule = this._createTypedRule(rule);

 				// Convert the scope names to styles and cache them for later
 				this.addStyles(rule.name);
 				this.addStyles(rule.contentName);
 				this.addStylesForCaptures(rule.captures);
 				this.addStylesForCaptures(rule.beginCaptures);
 				this.addStylesForCaptures(rule.endCaptures);

 				if (rule._resolvedRule !== rule) {
 					// Add include target
 					stack.push(rule._resolvedRule);
 				}
 				if (rule.patterns) {
 					// Add subrules
 					for (var i=0; i < rule.patterns.length; i++) {
 						stack.push(rule.patterns[i]);
 					}
 				}
 			}
 		},

 		/**
 		 * Adds eclipse.Style objects for scope to our _styles cache.
 		 * @private
 		 * @param {String} scope A scope name, like "constant.character.php".
 		 */
 		addStyles: function(scope) {
 			if (scope && !this._styles[scope]) {
 				this._styles[scope] = [];
 				var scopeArray = scope.split(".");
 				for (var i = 0; i < scopeArray.length; i++) {
 					this._styles[scope].push(scopeArray.slice(0, i + 1).join("-"));
 				}
 			}
 		},
 		/** @private */
 		addStylesForCaptures: function(/**Object*/ captures) {
 			for (var prop in captures) {
 				if (captures.hasOwnProperty(prop)) {
 					var scope = captures[prop].name;
 					this.addStyles(scope);
 				}
 			}
 		},
 		/**
 		 * A rule that contains subrules ("patterns" in TextMate parlance) but has no "begin" or "end".
 		 * Also handles top level of grammar.
 		 * @private
 		 */
 		ContainerRule: (function() {
 			function ContainerRule(/**Object*/ rule) {
 				this.rule = rule;
 				this.subrules = rule.patterns;
 			}
 			ContainerRule.prototype.valueOf = function() { return "aa"; };
 			return ContainerRule;
 		}()),
 		/**
 		 * A rule that is delimited by "begin" and "end" matches, which may be separated by any number of
 		 * lines. This type of rule may contain subrules, which apply only inside the begin .. end region.
 		 * @private
 		 */
 		BeginEndRule: (function() {
 			function BeginEndRule(/**Object*/ rule) {
 				this.rule = rule;
 				// TODO: the TextMate blog claims that "end" is optional.
 				this.beginRegex = RegexUtil.toRegExp(rule.begin);
 				this.endRegex = RegexUtil.toRegExp(rule.end);
 				this.subrules = rule.patterns || [];

 				this.endRegexHasBackRef = RegexUtil.hasBackReference(this.endRegex);

 				// Deal with non-0 captures
 				var complexCaptures = RegexUtil.complexCaptures(rule.captures);
 				var complexBeginEnd = RegexUtil.complexCaptures(rule.beginCaptures) || RegexUtil.complexCaptures(rule.endCaptures);
 				this.isComplex = complexCaptures || complexBeginEnd;
 				if (this.isComplex) {
 					var bg = RegexUtil.groupify(this.beginRegex);
 					this.beginRegex = bg[0];
 					this.beginOld2New = bg[1];
 					this.beginConsuming = bg[2];

 					var eg = RegexUtil.groupify(this.endRegex, this.beginOld2New /*Update end's backrefs to begin's new group #s*/);
 					this.endRegex = eg[0];
 					this.endOld2New = eg[1];
 					this.endConsuming = eg[2];
 				}
 			}
 			BeginEndRule.prototype.valueOf = function() { return this.beginRegex; };
 			return BeginEndRule;
 		}()),
 		/**
 		 * A rule with a "match" pattern.
 		 * @private
 		 */
 		MatchRule: (function() {
 			function MatchRule(/**Object*/ rule) {
 				this.rule = rule;
 				this.matchRegex = RegexUtil.toRegExp(rule.match);
 				this.isComplex = RegexUtil.complexCaptures(rule.captures);
 				if (this.isComplex) {
 					var mg = RegexUtil.groupify(this.matchRegex);
 					this.matchRegex = mg[0];
 					this.matchOld2New = mg[1];
 					this.matchConsuming = mg[2];
 				}
 			}
 			MatchRule.prototype.valueOf = function() { return this.matchRegex; };
 			return MatchRule;
 		}()),
 		/**
 		 * @param {Object} rule A rule from the grammar.
 		 * @returns {MatchRule|BeginEndRule|ContainerRule}
 		 * @private
 		 */
 		_createTypedRule: function(rule) {
 			if (rule.match) {
 				return new this.MatchRule(rule);
 			} else if (rule.begin) {
 				return new this.BeginEndRule(rule);
 			} else {
 				return new this.ContainerRule(rule);
 			}
 		},
 		/**
 		 * Resolves a rule from the grammar (which may be an include) into the real rule that it points to.
 		 * @private
 		 */
 		_resolve: function(rule) {
 			var resolved = rule;
 			if (rule.include) {
 				if (rule.begin || rule.end || rule.match) {
 					throw new Error("Unexpected regex pattern in \"include\" rule " + rule.include);
 				}
 				var name = rule.include;
 				if (name.charAt(0) === "#") {
 					resolved = this.grammar.repository && this.grammar.repository[name.substring(1)];
 					if (!resolved) { throw new Error("Couldn't find included rule " + name + " in grammar repository"); }
 				} else if (name === "$self") {
 					resolved = this.grammar;
 				} else if (name === "$base") {
 					// $base is only relevant when including rules from foreign grammars
 					throw new Error("Include \"$base\" is not supported");
 				} else {
 					resolved = this._allGrammars[name];
 					if (!resolved) {
 						for (var i=0; i < this.externalGrammars.length; i++) {
 							var grammar = this.externalGrammars[i];
 							if (grammar.scopeName === name) {
 								this.preprocess(grammar);
 								this._allGrammars[name] = grammar;
 								resolved = grammar;
 								break;
 							}
 						}
 					}
 				}
 			}
 			return resolved;
 		},

 		/** @private */
 		ContainerNode: (function() {
 			function ContainerNode(parent, rule) {
 				this.parent = parent;
 				this.rule = rule;
 				this.children = [];

 				this.start = null;
 				this.end = null;
 			}
 			ContainerNode.prototype.addChild = function(child) {
 				this.children.push(child);
 			};
 			ContainerNode.prototype.valueOf = function() {
 				var r = this.rule;
 				return "ContainerNode { " + (r.include || "") + " " + (r.name || "") + (r.comment || "") + "}";
 			};
 			return ContainerNode;
 		}()),
 		/** @private */
 		BeginEndNode: (function() {
 			function BeginEndNode(parent, rule, beginMatch) {
 				this.parent = parent;
 				this.rule = rule;
 				this.children = [];

 				this.setStart(beginMatch);
 				this.end = null; // will be set eventually during parsing (may be EOF)
 				this.endMatch = null; // may remain null if we never match our "end" pattern

 				// Build a new regex if the "end" regex has backrefs since they refer to matched groups of beginMatch
 				if (rule.endRegexHasBackRef) {
 					this.endRegexSubstituted = RegexUtil.getSubstitutedRegex(rule.endRegex, beginMatch);
 				} else {
 					this.endRegexSubstituted = null;
 				}
 			}
 			BeginEndNode.prototype.addChild = function(child) {
 				this.children.push(child);
 			};
 			/** @return {Number} This node's index in its parent's "children" list */
 			BeginEndNode.prototype.getIndexInParent = function(node) {
 				return this.parent ? this.parent.children.indexOf(this) : -1;
 			};
 			/** @param {RegExp.match} beginMatch */
 			BeginEndNode.prototype.setStart = function(beginMatch) {
 				this.start = beginMatch.index;
 				this.beginMatch = beginMatch;
 			};
 			/** @param {RegExp.match|Number} endMatchOrLastChar */
 			BeginEndNode.prototype.setEnd = function(endMatchOrLastChar) {
 				if (endMatchOrLastChar && typeof(endMatchOrLastChar) === "object") {
 					var endMatch = endMatchOrLastChar;
 					this.endMatch = endMatch;
 					this.end = endMatch.index + endMatch[0].length;
 				} else {
 					var lastChar = endMatchOrLastChar;
 					this.endMatch = null;
 					this.end = lastChar;
 				}
 			};
 			BeginEndNode.prototype.shiftStart = function(amount) {
 				this.start += amount;
 				this.beginMatch.index += amount;
 			};
 			BeginEndNode.prototype.shiftEnd = function(amount) {
 				this.end += amount;
 				if (this.endMatch) { this.endMatch.index += amount; }
 			};
 			BeginEndNode.prototype.valueOf = function() {
 				return "{" + this.rule.beginRegex + " range=" + this.start + ".." + this.end + "}";
 			};
 			return BeginEndNode;
 		}()),
 		/** Pushes rules onto stack such that rules[startFrom] is on top
 		 * @private
 		 */
 		push: function(/**Array*/ stack, /**Array*/ rules) {
 			if (!rules) { return; }
 			for (var i = rules.length; i > 0; ) {
 				stack.push(rules[--i]);
 			}
 		},
 		/** Executes <code>regex</code> on <code>text</code>, and returns the match object with its index
 		 * offset by the given amount.
 		 * @returns {RegExp.match}
 		 * @private
 		 */
 		exec: function(/**RegExp*/ regex, /**String*/ text, /**Number*/ offset) {
 			var match = regex.exec(text);
 			if (match) { match.index += offset; }
 			regex.lastIndex = 0; // Just in case
 			return match;
 		},
 		/** @returns {Number} The position immediately following the match.
 		 * @private
 		 */
 		afterMatch: function(/**RegExp.match*/ match) {
 			return match.index + match[0].length;
 		},
 		/**
 		 * @returns {RegExp.match} If node is a BeginEndNode and its rule's "end" pattern matches the text.
 		 * @private
 		 */
 		getEndMatch: function(/**Node*/ node, /**String*/ text, /**Number*/ offset) {
 			if (node instanceof this.BeginEndNode) {
 				var rule = node.rule;
 				var endRegex = node.endRegexSubstituted || rule.endRegex;
 				if (!endRegex) { return null; }
 				return this.exec(endRegex, text, offset);
 			}
 			return null;
 		},
 		/** Called once when file is first loaded to build the parse tree. Tree is updated incrementally thereafter
 		 * as buffer is modified.
 		 * @private
 		 */
 		initialParse: function() {
 			var last = this.textView.getModel().getCharCount();
 			// First time; make parse tree for whole buffer
 			var root = new this.ContainerNode(null, this.grammar._typedRule);
 			this._tree = root;
 			this.parse(this._tree, false, 0);
 		},
 		onModelChanged: function(/**eclipse.ModelChangedEvent*/ e) {
 			var addedCharCount = e.addedCharCount,
 			    addedLineCount = e.addedLineCount,
 			    removedCharCount = e.removedCharCount,
 			    removedLineCount = e.removedLineCount,
 			    start = e.start;
 			if (!this._tree) {
 				this.initialParse();
 			} else {
 				var model = this.textView.getModel();
 				var charCount = model.getCharCount();

 				// For rs, we must rewind to the line preceding the line 'start' is on. We can't rely on start's
 				// line since it may've been changed in a way that would cause a new beginMatch at its lineStart.
 				var rs = model.getLineEnd(model.getLineAtOffset(start) - 1); // may be < 0
 				var fd = this.getFirstDamaged(rs, rs);
 				rs = rs === -1 ? 0 : rs;
 				var stoppedAt;
 				if (fd) {
 					// [rs, re] is the region we need to verify. If we find the structure of the tree
 					// has changed in that area, then we may need to reparse the rest of the file.
 					stoppedAt = this.parse(fd, true, rs, start, addedCharCount, removedCharCount);
 				} else {
 					// FIXME: fd == null ?
 					stoppedAt = charCount;
 				}
 				this.textView.redrawRange(rs, stoppedAt);
 			}
 		},
 		/** @returns {BeginEndNode|ContainerNode} The result of taking the first (smallest "start" value)
 		 * node overlapping [start,end] and drilling down to get its deepest damaged descendant (if any).
 		 * @private
 		 */
 		getFirstDamaged: function(start, end) {
 			// If start === 0 we actually have to start from the root because there is no position
 			// we can rely on. (First index is damaged)
 			if (start < 0) {
 				return this._tree;
 			}

 			var nodes = [this._tree];
 			var result = null;
 			while (nodes.length) {
 				var n = nodes.pop();
 				if (!n.parent /*n is root*/ || this.isDamaged(n, start, end)) {
 					// n is damaged by the edit, so go into its children
 					// Note: If a node is damaged, then some of its descendents MAY be damaged
 					// If a node is undamaged, then ALL of its descendents are undamaged
 					if (n instanceof this.BeginEndNode) {
 						result = n;
 					}
 					// Examine children[0] last
 					for (var i=0; i < n.children.length; i++) {
 						nodes.push(n.children[i]);
 					}
 				}
 			}
 			return result || this._tree;
 		},
 		/** @returns true If <code>n</code> overlaps the interval [start,end].
 		 * @private
 		 */
 		isDamaged: function(/**BeginEndNode*/ n, start, end) {
 			// Note strict > since [2,5] doesn't overlap [5,7]
 			return (n.start <= end && n.end > start);
 		},
 		/**
 		 * Builds tree from some of the buffer content
 		 *
 		 * TODO cleanup params
 		 * @param {BeginEndNode|ContainerNode} origNode The deepest node that overlaps [rs,rs], or the root.
 		 * @param {Boolean} repairing
 		 * @param {Number} rs See _onModelChanged()
 		 * @param {Number} [editStart] Only used for repairing === true
 		 * @param {Number} [addedCharCount] Only used for repairing === true
 		 * @param {Number} [removedCharCount] Only used for repairing === true
 		 * @returns {Number} The end position that redrawRange should be called for.
 		 * @private
 		 */
 		parse: function(origNode, repairing, rs, editStart, addedCharCount, removedCharCount) {
 			var model = this.textView.getModel();
 			var lastLineStart = model.getLineStart(model.getLineCount() - 1);
 			var eof = model.getCharCount();
 			var initialExpected = this.getInitialExpected(origNode, rs);

 			// re is best-case stopping point; if we detect change to tree, we must continue past it
 			var re = -1;
 			if (repairing) {
 				origNode.repaired = true;
 				origNode.endNeedsUpdate = true;
 				var lastChild = origNode.children[origNode.children.length-1];
 				var delta = addedCharCount - removedCharCount;
 				var lastChildLineEnd = lastChild ? model.getLineEnd(model.getLineAtOffset(lastChild.end + delta)) : -1;
 				var editLineEnd = model.getLineEnd(model.getLineAtOffset(editStart + removedCharCount));
 				re = Math.max(lastChildLineEnd, editLineEnd);
 			}
 			re = (re === -1) ? eof : re;

 			var expected = initialExpected;
 			var node = origNode;
 			var matchedChildOrEnd = false;
 			var pos = rs;
 			var redrawEnd = -1;
 			while (node && (!repairing || (pos < re))) {
 				var matchInfo = this.getNextMatch(model, node, pos);
 				if (!matchInfo) {
 					// Go to next line, if any
 					pos = (pos >= lastLineStart) ? eof : model.getLineStart(model.getLineAtOffset(pos) + 1);
 				}
 				var match = matchInfo && matchInfo.match,
 				    rule = matchInfo && matchInfo.rule,
 				    isSub = matchInfo && matchInfo.isSub,
 				    isEnd = matchInfo && matchInfo.isEnd;
 				if (isSub) {
 					pos = this.afterMatch(match);
 					if (rule instanceof this.BeginEndRule) {
 						matchedChildOrEnd = true;
 						// Matched a child. Did we expect that?
 						if (repairing && rule === expected.rule && node === expected.parent) {
 							// Yes: matched expected child
 							var foundChild = expected;
 							foundChild.setStart(match);
 							// Note: the 'end' position for this node will either be matched, or fixed up by us post-loop
 							foundChild.repaired = true;
 							foundChild.endNeedsUpdate = true;
 							node = foundChild; // descend
 							expected = this.getNextExpected(expected, "begin");
 						} else {
 							if (repairing) {
 								// No: matched unexpected child.
 								this.prune(node, expected);
 								repairing = false;
 							}

 							// Add the new child (will replace 'expected' in node's children list)
 							var subNode = new this.BeginEndNode(node, rule, match);
 							node.addChild(subNode);
 							node = subNode; // descend
 						}
 					} else {
 						// Matched a MatchRule; no changes to tree required
 					}
 				} else if (isEnd || pos === eof) {
 					if (node instanceof this.BeginEndNode) {
 						if (match) {
 							matchedChildOrEnd = true;
 							redrawEnd = Math.max(redrawEnd, node.end); // if end moved up, must still redraw to its old value
 							node.setEnd(match);
 							pos = this.afterMatch(match);
 							// Matched node's end. Did we expect that?
 							if (repairing && node === expected && node.parent === expected.parent) {
 								// Yes: found the expected end of node
 								node.repaired = true;
 								delete node.endNeedsUpdate;
 								expected = this.getNextExpected(expected, "end");
 							} else {
 								if (repairing) {
 									// No: found an unexpected end
 									this.prune(node, expected);
 									repairing = false;
 								}
 							}
 						} else {
 							// Force-ending a BeginEndNode that runs until eof
 							node.setEnd(eof);
 							delete node.endNeedsUpdate;
 						}
 					}
 					node = node.parent; // ascend
 				}

 				if (repairing && pos >= re && !matchedChildOrEnd) {
 					// Reached re without matching any begin/end => initialExpected itself was removed => repair fail
 					this.prune(origNode, initialExpected);
 					repairing = false;
 				}
 			} // end loop
 			// TODO: do this for every node we end?
 			this.removeUnrepairedChildren(origNode, repairing, rs);

 			//console.debug("parsed " + (pos - rs) + " of " + model.getCharCount + "buf");
 			this.cleanup(repairing, origNode, rs, re, eof, addedCharCount, removedCharCount);
 			if (repairing) {
 				return Math.max(redrawEnd, pos);
 			} else {
 				return pos; // where we stopped reparsing
 			}
 		},
 		/** Helper for parse() in the repair case. To be called when ending a node, as any children that
 		 * lie in [rs,node.end] and were not repaired must've been deleted.
 		 * @private
 		 */
 		removeUnrepairedChildren: function(node, repairing, start) {
 			if (repairing) {
 				var children = node.children;
 				var removeFrom = -1;
 				for (var i=0; i < children.length; i++) {
 					var child = children[i];
 					if (!child.repaired && this.isDamaged(child, start, Number.MAX_VALUE /*end doesn't matter*/)) {
 						removeFrom = i;
 						break;
 					}
 				}
 				if (removeFrom !== -1) {
 					node.children.length = removeFrom;
 				}
 			}
 		},
 		/** Helper for parse() in the repair case
 		 * @private
 		 */
 		cleanup: function(repairing, origNode, rs, re, eof, addedCharCount, removedCharCount) {
 			var i, node, maybeRepairedNodes;
 			if (repairing) {
 				// The repair succeeded, so update stale begin/end indices by simple translation.
 				var delta = addedCharCount - removedCharCount;
 				// A repaired node's end can't exceed re, but it may exceed re-delta+1.
 				// TODO: find a way to guarantee disjoint intervals for repaired vs unrepaired, then stop using flag
 				var maybeUnrepairedNodes = this.getIntersecting(re-delta+1, eof);
 				maybeRepairedNodes = this.getIntersecting(rs, re);
 				// Handle unrepaired nodes. They are those intersecting [re-delta+1, eof] that don't have the flag
 				for (i=0; i < maybeUnrepairedNodes.length; i++) {
 					node = maybeUnrepairedNodes[i];
 					if (!node.repaired && node instanceof this.BeginEndNode) {
 						node.shiftEnd(delta);
 						node.shiftStart(delta);
 					}
 				}
 				// Translate 'end' index of repaired node whose 'end' was not matched in loop (>= re)
 				for (i=0; i < maybeRepairedNodes.length; i++) {
 					node = maybeRepairedNodes[i];
 					if (node.repaired && node.endNeedsUpdate) {
 						node.shiftEnd(delta);
 					}
 					delete node.endNeedsUpdate;
 					delete node.repaired;
 				}
 			} else {
 				// Clean up after ourself
 				maybeRepairedNodes = this.getIntersecting(rs, re);
 				for (i=0; i < maybeRepairedNodes.length; i++) {
 					delete maybeRepairedNodes[i].repaired;
 				}
 			}
 		},
 		/**
 		 * @param model {orion.editor.TextModel}
 		 * @param {Node} node
 		 * @param {Number} pos
 		 * @param {Boolean} [matchRulesOnly] Optional, if true only "match" subrules will be considered.
 		 * @returns {Object} A match info object with properties:
 		 * {Boolean} isEnd
 		 * {Boolean} isSub
 		 * {RegExp.match} match
 		 * {(Match|BeginEnd)Rule} rule
 		 * @private
 		 */
 		getNextMatch: function(model, node, pos, matchRulesOnly) {
 			var lineIndex = model.getLineAtOffset(pos);
 			var lineEnd = model.getLineEnd(lineIndex);
 			var line = model.getText(pos, lineEnd);

 			var stack = [],
 			    expandedContainers = [],
 			    subMatches = [],
 			    subrules = [];
 			this.push(stack, node.rule.subrules);
 			while (stack.length) {
 				var next = stack.length ? stack.pop() : null;
 				var subrule = next && next._resolvedRule._typedRule;
 				if (subrule instanceof this.ContainerRule && expandedContainers.indexOf(subrule) === -1) {
 					// Expand ContainerRule by pushing its subrules on
 					expandedContainers.push(subrule);
 					this.push(stack, subrule.subrules);
 					continue;
 				}
 				if (subrule && matchRulesOnly && !(subrule.matchRegex)) {
 					continue;
 				}
 				var subMatch = subrule && this.exec(subrule.matchRegex || subrule.beginRegex, line, pos);
 				if (subMatch) {
 					subMatches.push(subMatch);
 					subrules.push(subrule);
 				}
 			}

 			var bestSub = Number.MAX_VALUE,
 			    bestSubIndex = -1;
 			for (var i=0; i < subMatches.length; i++) {
 				var match = subMatches[i];
 				if (match.index < bestSub) {
 					bestSub = match.index;
 					bestSubIndex = i;
 				}
 			}

 			if (!matchRulesOnly) {
 				// See if the "end" pattern of the active begin/end node matches.
 				// TODO: The active begin/end node may not be the same as the node that holds the subrules
 				var activeBENode = node;
 				var endMatch = this.getEndMatch(node, line, pos);
 				if (endMatch) {
 					var doEndLast = activeBENode.rule.applyEndPatternLast;
 					var endWins = bestSubIndex === -1 || (endMatch.index < bestSub) || (!doEndLast && endMatch.index === bestSub);
 					if (endWins) {
 						return {isEnd: true, rule: activeBENode.rule, match: endMatch};
 					}
 				}
 			}
 			return bestSubIndex === -1 ? null : {isSub: true, rule: subrules[bestSubIndex], match: subMatches[bestSubIndex]};
 		},
 		/**
 		 * Gets the node corresponding to the first match we expect to see in the repair.
 		 * @param {BeginEndNode|ContainerNode} node The node returned via getFirstDamaged(rs,rs) -- may be the root.
 		 * @param {Number} rs See _onModelChanged()
 		 * Note that because rs is a line end (or 0, a line start), it will intersect a beginMatch or
 		 * endMatch either at their 0th character, or not at all. (begin/endMatches can't cross lines).
 		 * This is the only time we rely on the start/end values from the pre-change tree. After this
 		 * we only look at node ordering, never use the old indices.
 		 * @returns {Node}
 		 * @private
 		 */
 		getInitialExpected: function(node, rs) {
 			// TODO: Kind of weird.. maybe ContainerNodes should have start & end set, like BeginEndNodes
 			var i, child;
 			if (node === this._tree) {
 				// get whichever of our children comes after rs
 				for (i=0; i < node.children.length; i++) {
 					child = node.children[i]; // BeginEndNode
 					if (child.start >= rs) {
 						return child;
 					}
 				}
 			} else if (node instanceof this.BeginEndNode) {
 				if (node.endMatch) {
 					// Which comes next after rs: our nodeEnd or one of our children?
 					var nodeEnd = node.endMatch.index;
 					for (i=0; i < node.children.length; i++) {
 						child = node.children[i]; // BeginEndNode
 						if (child.start >= rs) {
 							break;
 						}
 					}
 					if (child && child.start < nodeEnd) {
 						return child; // Expect child as the next match
 					}
 				} else {
 					// No endMatch => node goes until eof => it end should be the next match
 				}
 			}
 			return node; // We expect node to end, so it should be the next match
 		},
 		/**
 		 * Helper for repair() to tell us what kind of event we expect next.
 		 * @param {Node} expected Last value returned by this method.
 		 * @param {String} event "begin" if the last value of expected was matched as "begin",
 		 *  or "end" if it was matched as an end.
 		 * @returns {Node} The next expected node to match, or null.
 		 * @private
 		 */
 		getNextExpected: function(/**Node*/ expected, event) {
 			var node = expected;
 			if (event === "begin") {
 				var child = node.children[0];
 				if (child) {
 					return child;
 				} else {
 					return node;
 				}
 			} else if (event === "end") {
 				var parent = node.parent;
 				if (parent) {
 					var nextSibling = parent.children[parent.children.indexOf(node) + 1];
 					if (nextSibling) {
 						return nextSibling;
 					} else {
 						return parent;
 					}
 				}
 			}
 			return null;
 		},
 		/** Helper for parse() when repairing. Prunes out the unmatched nodes from the tree so we can continue parsing.
 		 * @private
 		 */
 		prune: function(/**BeginEndNode|ContainerNode*/ node, /**Node*/ expected) {
 			var expectedAChild = expected.parent === node;
 			if (expectedAChild) {
 				// Expected child wasn't matched; prune it and all siblings after it
 				node.children.length = expected.getIndexInParent();
 			} else if (node instanceof this.BeginEndNode) {
 				// Expected node to end but it didn't; set its end unknown and we'll match it eventually
 				node.endMatch = null;
 				node.end = null;
 			}
 			// Reparsing from node, so prune the successors outside of node's subtree
 			if (node.parent) {
 				node.parent.children.length = node.getIndexInParent() + 1;
 			}
 		},
 		onLineStyle: function(/**eclipse.LineStyleEvent*/ e) {
 			function byStart(r1, r2) {
 				return r1.start - r2.start;
 			}

 			if (!this._tree) {
 				// In some cases it seems onLineStyle is called before onModelChanged, so we need to parse here
 				this.initialParse();
 			}
 			var lineStart = e.lineStart,
 			    model = this.textView.getModel(),
 			    lineEnd = model.getLineEnd(e.lineIndex);

 			var rs = model.getLineEnd(model.getLineAtOffset(lineStart) - 1); // may be < 0
 			var node = this.getFirstDamaged(rs, rs);

 			var scopes = this.getLineScope(model, node, lineStart, lineEnd);
 			e.ranges = this.toStyleRanges(scopes);
 			// Editor requires StyleRanges must be in ascending order by 'start', or else some will be ignored
 			e.ranges.sort(byStart);
 		},
 		/** Runs parse algorithm on [start, end] in the context of node, assigning scope as we find matches.
 		 * @private
 		 */
 		getLineScope: function(model, node, start, end) {
 			var pos = start;
 			var expected = this.getInitialExpected(node, start);
 			var scopes = [],
 			    gaps = [];
 			while (node && (pos < end)) {
 				var matchInfo = this.getNextMatch(model, node, pos);
 				if (!matchInfo) {
 					break; // line is over
 				}
 				var match = matchInfo && matchInfo.match,
 				    rule = matchInfo && matchInfo.rule,
 				    isSub = matchInfo && matchInfo.isSub,
 				    isEnd = matchInfo && matchInfo.isEnd;
 				if (match.index !== pos) {
 					// gap [pos..match.index]
 					gaps.push({ start: pos, end: match.index, node: node});
 				}
 				if (isSub) {
 					pos = this.afterMatch(match);
 					if (rule instanceof this.BeginEndRule) {
 						// Matched a "begin", assign its scope and descend into it
 						this.addBeginScope(scopes, match, rule);
 						node = expected; // descend
 						expected = this.getNextExpected(expected, "begin");
 					} else {
 						// Matched a child MatchRule;
 						this.addMatchScope(scopes, match, rule);
 					}
 				} else if (isEnd) {
 					pos = this.afterMatch(match);
 					// Matched and "end", assign its end scope and go up
 					this.addEndScope(scopes, match, rule);
 					expected = this.getNextExpected(expected, "end");
 					node = node.parent; // ascend
 				}
 			}
 			if (pos < end) {
 				gaps.push({ start: pos, end: end, node: node });
 			}
 			var inherited = this.getInheritedLineScope(gaps, start, end);
 			return scopes.concat(inherited);
 		},
 		/** @private */
 		getInheritedLineScope: function(gaps, start, end) {
 			var scopes = [];
 			for (var i=0; i < gaps.length; i++) {
 				var gap = gaps[i];
 				var node = gap.node;
 				while (node) {
 					// if node defines a contentName or name, apply it
 					var rule = node.rule.rule;
 					var name = rule.name,
 					    contentName = rule.contentName;
 					// TODO: if both are given, we don't resolve the conflict. contentName always wins
 					var scope = contentName || name;
 					if (scope) {
 						this.addScopeRange(scopes, gap.start, gap.end, scope);
 						break;
 					}
 					node = node.parent;
 				}
 			}
 			return scopes;
 		},
 		/** @private */
 		addBeginScope: function(scopes, match, typedRule) {
 			var rule = typedRule.rule;
 			this.addCapturesScope(scopes, match, (rule.beginCaptures || rule.captures), typedRule.isComplex, typedRule.beginOld2New, typedRule.beginConsuming);
 		},
 		/** @private */
 		addEndScope: function(scopes, match, typedRule) {
 			var rule = typedRule.rule;
 			this.addCapturesScope(scopes, match, (rule.endCaptures || rule.captures), typedRule.isComplex, typedRule.endOld2New, typedRule.endConsuming);
 		},
 		/** @private */
 		addMatchScope: function(scopes, match, typedRule) {
 			var rule = typedRule.rule,
 			    name = rule.name,
 			    captures = rule.captures;
 			if (captures) {
 				// captures takes priority over name
 				this.addCapturesScope(scopes, match, captures, typedRule.isComplex, typedRule.matchOld2New, typedRule.matchConsuming);
 			} else {
 				this.addScope(scopes, match, name);
 			}
 		},
 		/** @private */
 		addScope: function(scopes, match, name) {
 			if (!name) { return; }
 			scopes.push({start: match.index, end: this.afterMatch(match), scope: name });
 		},
 		/** @private */
 		addScopeRange: function(scopes, start, end, name) {
 			if (!name) { return; }
 			scopes.push({start: start, end: end, scope: name });
 		},
 		/** @private */
 		addCapturesScope: function(/**Array*/scopes, /*RegExp.match*/ match, /**Object*/captures, /**Boolean*/isComplex, /**Object*/old2New, /**Object*/consuming) {
 			if (!captures) { return; }
 			if (!isComplex) {
 				this.addScope(scopes, match, captures[0] && captures[0].name);
 			} else {
 				// apply scopes captures[1..n] to matching groups [1]..[n] of match

 				// Sum up the lengths of preceding consuming groups to get the start offset for each matched group.
 				var newGroupStarts = {1: 0};
 				var sum = 0;
 				for (var num = 1; match[num] !== undefined; num++) {
 					if (consuming[num] !== undefined) {
 						sum += match[num].length;
 					}
 					if (match[num+1] !== undefined) {
 						newGroupStarts[num + 1] = sum;
 					}
 				}
 				// Map the group numbers referred to in captures object to the new group numbers, and get the actual matched range.
 				var start = match.index;
 				for (var oldGroupNum = 1; captures[oldGroupNum]; oldGroupNum++) {
 					var scope = captures[oldGroupNum].name;
 					var newGroupNum = old2New[oldGroupNum];
 					var groupStart = start + newGroupStarts[newGroupNum];
 					// Not every capturing group defined in regex need match every time the regex is run.
 					// eg. (a)|b matches "b" but group 1 is undefined
 					if (typeof match[newGroupNum] !== "undefined") {
 						var groupEnd = groupStart + match[newGroupNum].length;
 						this.addScopeRange(scopes, groupStart, groupEnd, scope);
 					}
 				}
 			}
 		},
 		/** @returns {Node[]} In depth-first order
 		 * @private
 		 */
 		getIntersecting: function(start, end) {
 			var result = [];
 			var nodes = this._tree ? [this._tree] : [];
 			while (nodes.length) {
 				var n = nodes.pop();
 				var visitChildren = false;
 				if (n instanceof this.ContainerNode) {
 					visitChildren = true;
 				} else if (this.isDamaged(n, start, end)) {
 					visitChildren = true;
 					result.push(n);
 				}
 				if (visitChildren) {
 					var len = n.children.length;
 //					for (var i=len-1; i >= 0; i--) {
 //						nodes.push(n.children[i]);
 //					}
 					for (var i=0; i < len; i++) {
 						nodes.push(n.children[i]);
 					}
 				}
 			}
 			return result.reverse();
 		},
 		/**
 		 * Applies the grammar to obtain the {@link eclipse.StyleRange[]} for the given line.
 		 * @returns {eclipse.StyleRange[]}
 		 * @private
 		 */
 		toStyleRanges: function(/**ScopeRange[]*/ scopeRanges) {
 			var styleRanges = [];
 			for (var i=0; i < scopeRanges.length; i++) {
 				var scopeRange = scopeRanges[i];
 				var classNames = this._styles[scopeRange.scope];
 				if (!classNames) { throw new Error("styles not found for " + scopeRange.scope); }
 				var classNamesString = classNames.join(" ");
 				styleRanges.push({start: scopeRange.start, end: scopeRange.end, style: {styleClass: classNamesString}});
 //				console.debug("{start " + styleRanges[i].start + ", end " + styleRanges[i].end + ", style: " + styleRanges[i].style.styleClass + "}");
 			}
 			return styleRanges;
 		}
 	};

 	return {
 		RegexUtil: RegexUtil,
 		TextMateStyler: TextMateStyler
 	};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2011, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  ******************************************************************************/

 /*jslint */
 /*global define */

 define("orion/editor/htmlGrammar", [], function() {

 	/**
 	 * Provides a grammar that can do some very rough syntax highlighting for HTML.
 	 * @class orion.syntax.HtmlGrammar
 	 */
 	function HtmlGrammar() {
 		/**
 		 * Object containing the grammar rules.
 		 * @public
 		 * @type Object
 		 */
 		return {
 			"scopeName": "source.html",
 			"uuid": "3B5C76FB-EBB5-D930-F40C-047D082CE99B",
 			"patterns": [
 				{
 					"begin": "<!(doctype|DOCTYPE)",
 					"end": ">",
 					"contentName": "entity.name.tag.doctype.html",
 					"beginCaptures": {
 						"0": { "name": "entity.name.tag.doctype.html" }
 					},
 					"endCaptures": {
 						"0": { "name": "entity.name.tag.doctype.html" }
 					}
 				},
 				{
 					"begin": "<!--",
 					"end": "-->",
 					"beginCaptures": {
 						"0": { "name": "punctuation.definition.comment.html" }
 					},
 					"endCaptures": {
 						"0": { "name": "punctuation.definition.comment.html" }
 					},
 					"patterns": [
 						{
 							"match": "--",
 							"name": "invalid.illegal.badcomment.html"
 						}
 					],
 					"contentName": "comment.block.html"
 				},
 				{ // startDelimiter + tagName
 					"match": "<[A-Za-z0-9_\\-:]+(?= ?)",
 					"name": "entity.name.tag.html"
 				},
 				{ "include": "#attrName" },
 				{ "include": "#qString" },
 				{ "include": "#qqString" },
 				{ "include": "#entity" },
 				// TODO attrName, qString, qqString should be applied first while inside a tag
 				{ // startDelimiter + slash + tagName + endDelimiter
 					"match": "</[A-Za-z0-9_\\-:]+>",
 					"name": "entity.name.tag.html"
 				},
 				{ // end delimiter of open tag
 					"match": ">",
 					"name": "entity.name.tag.html"
 				} ],
 			"repository": {
 				"attrName": { // attribute name
 					"match": "[A-Za-z\\-:]+(?=\\s*=\\s*['\"])",
 					"name": "entity.other.attribute.name.html"
 				},
 				"qqString": { // double quoted string
 					"match": "(\")[^\"]+(\")",
 					"name": "string.quoted.double.html"
 				},
 				"qString": { // single quoted string
 					"match": "(')[^']+(\')",
 					"name": "string.quoted.single.html"
 				},
 				"entity": {
 					"match": "&[A-Za-z0-9]+;",
 					"name": "constant.character.entity.html"
 				}
 			}
 		};
 	}

 	return {HtmlGrammar: HtmlGrammar};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2010, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors: IBM Corporation - initial API and implementation
  *               Alex Lakatos - fix for bug#369781
  ******************************************************************************/

 /*global define */

 define("examples/editor/textStyler", [ //$NON-NLS-0$
 	'orion/editor/annotations', //$NON-NLS-0$
 	'orion/editor/keywords' //$NON-NLS-0$
 ], function(mAnnotations, mKeywords) {

 	var JS_KEYWORDS = mKeywords.JSKeywords;

 	var JAVA_KEYWORDS = mKeywords.JAVAKeywords;

 	var CSS_KEYWORDS = mKeywords.CSSKeywords;

 	// Scanner constants
 	var UNKOWN = 1;
 	var KEYWORD = 2;
 	var NUMBER = 3;
 	var STRING = 4;
 	var MULTILINE_STRING = 5;
 	var SINGLELINE_COMMENT = 6;
 	var MULTILINE_COMMENT = 7;
 	var DOC_COMMENT = 8;
 	var WHITE = 9;
 	var WHITE_TAB = 10;
 	var WHITE_SPACE = 11;
 	var HTML_MARKUP = 12;
 	var DOC_TAG = 13;
 	var TASK_TAG = 14;

 	var BRACKETS = "{}()[]<>"; //$NON-NLS-0$

 	// Styles
 	var singleCommentStyle = {styleClass: "token_singleline_comment"}; //$NON-NLS-0$
 	var multiCommentStyle = {styleClass: "token_multiline_comment"}; //$NON-NLS-0$
 	var docCommentStyle = {styleClass: "token_doc_comment"}; //$NON-NLS-0$
 	var htmlMarkupStyle = {styleClass: "token_doc_html_markup"}; //$NON-NLS-0$
 	var tasktagStyle = {styleClass: "token_task_tag"}; //$NON-NLS-0$
 	var doctagStyle = {styleClass: "token_doc_tag"}; //$NON-NLS-0$
 	var stringStyle = {styleClass: "token_string"}; //$NON-NLS-0$
 	var numberStyle = {styleClass: "token_number"}; //$NON-NLS-0$
 	var keywordStyle = {styleClass: "token_keyword"}; //$NON-NLS-0$
 	var spaceStyle = {styleClass: "token_space", unmergeable: true}; //$NON-NLS-0$
 	var tabStyle = {styleClass: "token_tab", unmergeable: true}; //$NON-NLS-0$
 	var caretLineStyle = {styleClass: "line_caret"}; //$NON-NLS-0$

 	function Scanner (keywords, whitespacesVisible) {
 		this.keywords = keywords;
 		this.whitespacesVisible = whitespacesVisible;
 		this.setText("");
 	}

 	Scanner.prototype = {
 		getOffset: function() {
 			return this.offset;
 		},
 		getStartOffset: function() {
 			return this.startOffset;
 		},
 		getData: function() {
 			return this.text.substring(this.startOffset, this.offset);
 		},
 		getDataLength: function() {
 			return this.offset - this.startOffset;
 		},
 		_default: function(c) {
 			switch (c) {
 				case 32: // SPACE
 				case 9: // TAB
 					if (this.whitespacesVisible) {
 						return c === 32 ? WHITE_SPACE : WHITE_TAB;
 					}
 					do {
 						c = this._read();
 					} while(c === 32 || c === 9);
 					this._unread(c);
 					return WHITE;
 				case 123: // {
 				case 125: // }
 				case 40: // (
 				case 41: // )
 				case 91: // [
 				case 93: // ]
 				case 60: // <
 				case 62: // >
 					// BRACKETS
 					return c;
 				default:
 					var isCSS = this.isCSS;
 					var off = this.offset - 1;
 					if (!isCSS && 48 <= c && c <= 57) {
 						var floating = false, exponential = false, hex = false, firstC = c;
 						do {
 							c = this._read();
 							if (c === 46 /* dot */ && !floating) {
 								floating = true;
 							} else if (c === 101 /* e */ && !exponential) {
 								floating = exponential = true;
 								c = this._read();
 								if (c !== 45 /* MINUS */) {
 									this._unread(c);
 								}
 							} else if (c === 120 /* x */ && firstC === 48 && (this.offset - off === 2)) {
 								floating = exponential = hex = true;
 							} else if (!(48 <= c && c <= 57 || (hex && ((65 <= c && c <= 70) || (97 <= c && c <= 102))))) { //NUMBER DIGIT or HEX
 								break;
 							}
 						} while(true);
 						this._unread(c);
 						return NUMBER;
 					}
 					if ((97 <= c && c <= 122) || (65 <= c && c <= 90) || c === 95 || (45 /* DASH */ === c && isCSS)) { //LETTER OR UNDERSCORE OR NUMBER
 						do {
 							c = this._read();
 						} while((97 <= c && c <= 122) || (65 <= c && c <= 90) || c === 95 || (48 <= c && c <= 57) || (45 /* DASH */ === c && isCSS));  //LETTER OR UNDERSCORE OR NUMBER
 						this._unread(c);
 						var keywords = this.keywords;
 						if (keywords.length > 0) {
 							var word = this.text.substring(off, this.offset);
 							//TODO slow
 							for (var i=0; i<keywords.length; i++) {
 								if (this.keywords[i] === word) { return KEYWORD; }
 							}
 						}
 					}
 					return UNKOWN;
 			}
 		},
 		_read: function() {
 			if (this.offset < this.text.length) {
 				return this.text.charCodeAt(this.offset++);
 			}
 			return -1;
 		},
 		_unread: function(c) {
 			if (c !== -1) { this.offset--; }
 		},
 		nextToken: function() {
 			this.startOffset = this.offset;
 			while (true) {
 				var c = this._read(), result;
 				switch (c) {
 					case -1: return null;
 					case 47:	// SLASH -> comment
 						c = this._read();
 						if (!this.isCSS) {
 							if (c === 47) { // SLASH -> single line
 								while (true) {
 									c = this._read();
 									if ((c === -1) || (c === 10) || (c === 13)) {
 										this._unread(c);
 										return SINGLELINE_COMMENT;
 									}
 								}
 							}
 						}
 						if (c === 42) { // STAR -> multi line
 							c = this._read();
 							var token = MULTILINE_COMMENT;
 							if (c === 42) {
 								token = DOC_COMMENT;
 							}
 							while (true) {
 								while (c === 42) {
 									c = this._read();
 									if (c === 47) {
 										return token;
 									}
 								}
 								if (c === -1) {
 									this._unread(c);
 									return token;
 								}
 								c = this._read();
 							}
 						}
 						this._unread(c);
 						return UNKOWN;
 					case 39:	// SINGLE QUOTE -> char const
 						result = STRING;
 						while(true) {
 							c = this._read();
 							switch (c) {
 								case 39:
 									return result;
 								case 13:
 								case 10:
 								case -1:
 									this._unread(c);
 									return result;
 								case 92: // BACKSLASH
 									c = this._read();
 									switch (c) {
 										case 10: result = MULTILINE_STRING; break;
 										case 13:
 											result = MULTILINE_STRING;
 											c = this._read();
 											if (c !== 10) {
 												this._unread(c);
 											}
 											break;
 									}
 									break;
 							}
 						}
 						break;
 					case 34:	// DOUBLE QUOTE -> string
 						result = STRING;
 						while(true) {
 							c = this._read();
 							switch (c) {
 								case 34: // DOUBLE QUOTE
 									return result;
 								case 13:
 								case 10:
 								case -1:
 									this._unread(c);
 									return result;
 								case 92: // BACKSLASH
 									c = this._read();
 									switch (c) {
 										case 10: result = MULTILINE_STRING; break;
 										case 13:
 											result = MULTILINE_STRING;
 											c = this._read();
 											if (c !== 10) {
 												this._unread(c);
 											}
 											break;
 									}
 									break;
 							}
 						}
 						break;
 					default:
 						return this._default(c);
 				}
 			}
 		},
 		setText: function(text) {
 			this.text = text;
 			this.offset = 0;
 			this.startOffset = 0;
 		}
 	};

 	function WhitespaceScanner () {
 		Scanner.call(this, null, true);
 	}
 	WhitespaceScanner.prototype = new Scanner(null);
 	WhitespaceScanner.prototype.nextToken = function() {
 		this.startOffset = this.offset;
 		while (true) {
 			var c = this._read();
 			switch (c) {
 				case -1: return null;
 				case 32: // SPACE
 					return WHITE_SPACE;
 				case 9: // TAB
 					return WHITE_TAB;
 				default:
 					do {
 						c = this._read();
 					} while(!(c === 32 || c === 9 || c === -1));
 					this._unread(c);
 					return UNKOWN;
 			}
 		}
 	};

 	function CommentScanner (whitespacesVisible) {
 		Scanner.call(this, null, whitespacesVisible);
 	}
 	CommentScanner.prototype = new Scanner(null);
 	CommentScanner.prototype.setType = function(type) {
 		this._type = type;
 	};
 	CommentScanner.prototype.nextToken = function() {
 		this.startOffset = this.offset;
 		while (true) {
 			var c = this._read();
 			switch (c) {
 				case -1: return null;
 				case 32: // SPACE
 				case 9: // TAB
 					if (this.whitespacesVisible) {
 						return c === 32 ? WHITE_SPACE : WHITE_TAB;
 					}
 					do {
 						c = this._read();
 					} while(c === 32 || c === 9);
 					this._unread(c);
 					return WHITE;
 				case 60: // <
 					if (this._type === DOC_COMMENT) {
 						do {
 							c = this._read();
 						} while(!(c === 62 || c === -1)); // >
 						if (c === 62) {
 							return HTML_MARKUP;
 						}
 					}
 					return UNKOWN;
 				case 64: // @
 					if (this._type === DOC_COMMENT) {
 						do {
 							c = this._read();
 						} while((97 <= c && c <= 122) || (65 <= c && c <= 90) || c === 95 || (48 <= c && c <= 57));  //LETTER OR UNDERSCORE OR NUMBER
 						this._unread(c);
 						return DOC_TAG;
 					}
 					return UNKOWN;
 				case 84: // T
 					if ((c = this._read()) === 79) { // O
 						if ((c = this._read()) === 68) { // D
 							if ((c = this._read()) === 79) { // O
 								c = this._read();
 								if (!((97 <= c && c <= 122) || (65 <= c && c <= 90) || c === 95 || (48 <= c && c <= 57))) {
 									this._unread(c);
 									return TASK_TAG;
 								}
 								this._unread(c);
 							} else {
 								this._unread(c);
 							}
 						} else {
 							this._unread(c);
 						}
 					} else {
 						this._unread(c);
 					}
 					//FALL THROUGH
 				default:
 					do {
 						c = this._read();
 					} while(!(c === 32 || c === 9 || c === -1 || c === 60 || c === 64 || c === 84));
 					this._unread(c);
 					return UNKOWN;
 			}
 		}
 	};

 	function FirstScanner () {
 		Scanner.call(this, null, false);
 	}
 	FirstScanner.prototype = new Scanner(null);
 	FirstScanner.prototype._default = function(c) {
 		while(true) {
 			c = this._read();
 			switch (c) {
 				case 47: // SLASH
 				case 34: // DOUBLE QUOTE
 				case 39: // SINGLE QUOTE
 				case -1:
 					this._unread(c);
 					return UNKOWN;
 			}
 		}
 	};

 	function TextStyler (view, lang, annotationModel) {
 		this.commentStart = "/*"; //$NON-NLS-0$
 		this.commentEnd = "*/"; //$NON-NLS-0$
 		var keywords = [];
 		switch (lang) {
 			case "java": keywords = JAVA_KEYWORDS; break; //$NON-NLS-0$
 			case "js": keywords = JS_KEYWORDS; break; //$NON-NLS-0$
 			case "css": keywords = CSS_KEYWORDS; break; //$NON-NLS-0$
 		}
 		this.whitespacesVisible = this.spacesVisible = this.tabsVisible = false;
 		this.detectHyperlinks = true;
 		this.highlightCaretLine = false;
 		this.foldingEnabled = true;
 		this.detectTasks = true;
 		this._scanner = new Scanner(keywords, this.whitespacesVisible);
 		this._firstScanner = new FirstScanner();
 		this._commentScanner = new CommentScanner(this.whitespacesVisible);
 		this._whitespaceScanner = new WhitespaceScanner();
 		//TODO these scanners are not the best/correct way to parse CSS
 		if (lang === "css") { //$NON-NLS-0$
 			this._scanner.isCSS = true;
 			this._firstScanner.isCSS = true;
 		}
 		this.view = view;
 		this.annotationModel = annotationModel;
 		this._bracketAnnotations = undefined;

 		var self = this;
 		this._listener = {
 			onChanged: function(e) {
 				self._onModelChanged(e);
 			},
 			onDestroy: function(e) {
 				self._onDestroy(e);
 			},
 			onLineStyle: function(e) {
 				self._onLineStyle(e);
 			},
 			onMouseDown: function(e) {
 				self._onMouseDown(e);
 			},
 			onSelection: function(e) {
 				self._onSelection(e);
 			}
 		};
 		var model = view.getModel();
 		if (model.getBaseModel) {
 			model = model.getBaseModel();
 		}
 		model.addEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
 		view.addEventListener("MouseDown", this._listener.onMouseDown); //$NON-NLS-0$
 		view.addEventListener("Selection", this._listener.onSelection); //$NON-NLS-0$
 		view.addEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 		view.addEventListener("LineStyle", this._listener.onLineStyle); //$NON-NLS-0$
 		this._computeComments ();
 		this._computeFolding();
 		view.redrawLines();
 	}

 	TextStyler.prototype = {
 		destroy: function() {
 			var view = this.view;
 			if (view) {
 				var model = view.getModel();
 				if (model.getBaseModel) {
 					model = model.getBaseModel();
 				}
 				model.removeEventListener("Changed", this._listener.onChanged); //$NON-NLS-0$
 				view.removeEventListener("MouseDown", this._listener.onMouseDown); //$NON-NLS-0$
 				view.removeEventListener("Selection", this._listener.onSelection); //$NON-NLS-0$
 				view.removeEventListener("Destroy", this._listener.onDestroy); //$NON-NLS-0$
 				view.removeEventListener("LineStyle", this._listener.onLineStyle); //$NON-NLS-0$
 				this.view = null;
 			}
 		},
 		setHighlightCaretLine: function(highlight) {
 			this.highlightCaretLine = highlight;
 		},
 		setWhitespacesVisible: function(visible, redraw) {
 			if (this.whitespacesVisible === visible) { return; }
 			this.whitespacesVisible = visible;
 			this._scanner.whitespacesVisible = visible;
 			this._commentScanner.whitespacesVisible = visible;
 			if (redraw) {
 				this.view.redraw();
 			}
 		},
 		setTabsVisible: function(visible) {
 			if (this.tabsVisible === visible) { return; }
 			this.tabsVisible = visible;
 			this.setWhitespacesVisible(this.tabsVisible || this.spacesVisible, false);
 			this.view.redraw();
 		},
 		setSpacesVisible: function(visible) {
 			if (this.spacesVisible === visible) { return; }
 			this.spacesVisible = visible;
 			this.setWhitespacesVisible(this.tabsVisible || this.spacesVisible, false);
 			this.view.redraw();
 		},
 		setDetectHyperlinks: function(enabled) {
 			this.detectHyperlinks = enabled;
 		},
 		setFoldingEnabled: function(enabled) {
 			this.foldingEnabled = enabled;
 		},
 		setDetectTasks: function(enabled) {
 			this.detectTasks = enabled;
 		},
 		_binarySearch: function (array, offset, inclusive, low, high) {
 			var index;
 			if (low === undefined) { low = -1; }
 			if (high === undefined) { high = array.length; }
 			while (high - low > 1) {
 				index = Math.floor((high + low) / 2);
 				if (offset <= array[index].start) {
 					high = index;
 				} else if (inclusive && offset < array[index].end) {
 					high = index;
 					break;
 				} else {
 					low = index;
 				}
 			}
 			return high;
 		},
 		_computeComments: function() {
 			var model = this.view.getModel();
 			if (model.getBaseModel) { model = model.getBaseModel(); }
 			this.comments = this._findComments(model.getText());
 		},
 		_computeFolding: function() {
 			if (!this.foldingEnabled) { return; }
 			var view = this.view;
 			var viewModel = view.getModel();
 			if (!viewModel.getBaseModel) { return; }
 			var annotationModel = this.annotationModel;
 			if (!annotationModel) { return; }
 			annotationModel.removeAnnotations(mAnnotations.AnnotationType.ANNOTATION_FOLDING);
 			var add = [];
 			var baseModel = viewModel.getBaseModel();
 			var comments = this.comments;
 			for (var i=0; i<comments.length; i++) {
 				var comment = comments[i];
 				var annotation = this._createFoldingAnnotation(viewModel, baseModel, comment.start, comment.end);
 				if (annotation) {
 					add.push(annotation);
 				}
 			}
 			annotationModel.replaceAnnotations(null, add);
 		},
 		_createFoldingAnnotation: function(viewModel, baseModel, start, end) {
 			var startLine = baseModel.getLineAtOffset(start);
 			var endLine = baseModel.getLineAtOffset(end);
 			if (startLine === endLine) {
 				return null;
 			}
 			return new (mAnnotations.AnnotationType.getType(mAnnotations.AnnotationType.ANNOTATION_FOLDING))(start, end, viewModel);
 		},
 		_computeTasks: function(type, commentStart, commentEnd) {
 			if (!this.detectTasks) { return; }
 			var annotationModel = this.annotationModel;
 			if (!annotationModel) { return; }
 			var view = this.view;
 			var viewModel = view.getModel(), baseModel = viewModel;
 			if (viewModel.getBaseModel) { baseModel = viewModel.getBaseModel(); }
 			var annotations = annotationModel.getAnnotations(commentStart, commentEnd);
 			var remove = [];
 			var annotationType = mAnnotations.AnnotationType.ANNOTATION_TASK;
 			while (annotations.hasNext()) {
 				var annotation = annotations.next();
 				if (annotation.type === annotationType) {
 					remove.push(annotation);
 				}
 			}
 			var add = [];
 			var scanner = this._commentScanner;
 			scanner.setText(baseModel.getText(commentStart, commentEnd));
 			var token;
 			while ((token = scanner.nextToken())) {
 				var tokenStart = scanner.getStartOffset() + commentStart;
 				if (token === TASK_TAG) {
 					var end = baseModel.getLineEnd(baseModel.getLineAtOffset(tokenStart));
 					if (type !== SINGLELINE_COMMENT) {
 						end = Math.min(end, commentEnd - this.commentEnd.length);
 					}
 					add.push(mAnnotations.AnnotationType.createAnnotation(annotationType, tokenStart, end, baseModel.getText(tokenStart, end)));
 				}
 			}
 			annotationModel.replaceAnnotations(remove, add);
 		},
 		_getLineStyle: function(lineIndex) {
 			if (this.highlightCaretLine) {
 				var view = this.view;
 				var model = view.getModel();
 				var selection = view.getSelection();
 				if (selection.start === selection.end && model.getLineAtOffset(selection.start) === lineIndex) {
 					return caretLineStyle;
 				}
 			}
 			return null;
 		},
 		_getStyles: function(model, text, start) {
 			if (model.getBaseModel) {
 				start = model.mapOffset(start);
 			}
 			var end = start + text.length;

 			var styles = [];

 			// for any sub range that is not a comment, parse code generating tokens (keywords, numbers, brackets, line comments, etc)
 			var offset = start, comments = this.comments;
 			var startIndex = this._binarySearch(comments, start, true);
 			for (var i = startIndex; i < comments.length; i++) {
 				if (comments[i].start >= end) { break; }
 				var commentStart = comments[i].start;
 				var commentEnd = comments[i].end;
 				if (offset < commentStart) {
 					this._parse(text.substring(offset - start, commentStart - start), offset, styles);
 				}
 				var type = comments[i].type, style;
 				switch (type) {
 					case DOC_COMMENT: style = docCommentStyle; break;
 					case MULTILINE_COMMENT: style = multiCommentStyle; break;
 					case MULTILINE_STRING: style = stringStyle; break;
 				}
 				var s = Math.max(offset, commentStart);
 				var e = Math.min(end, commentEnd);
 				if ((type === DOC_COMMENT || type === MULTILINE_COMMENT) && (this.whitespacesVisible || this.detectHyperlinks)) {
 					this._parseComment(text.substring(s - start, e - start), s, styles, style, type);
 				} else if (type === MULTILINE_STRING && this.whitespacesVisible) {
 					this._parseString(text.substring(s - start, e - start), s, styles, stringStyle);
 				} else {
 					styles.push({start: s, end: e, style: style});
 				}
 				offset = commentEnd;
 			}
 			if (offset < end) {
 				this._parse(text.substring(offset - start, end - start), offset, styles);
 			}
 			if (model.getBaseModel) {
 				for (var j = 0; j < styles.length; j++) {
 					var length = styles[j].end - styles[j].start;
 					styles[j].start = model.mapOffset(styles[j].start, true);
 					styles[j].end = styles[j].start + length;
 				}
 			}
 			return styles;
 		},
 		_parse: function(text, offset, styles) {
 			var scanner = this._scanner;
 			scanner.setText(text);
 			var token;
 			while ((token = scanner.nextToken())) {
 				var tokenStart = scanner.getStartOffset() + offset;
 				var style = null;
 				switch (token) {
 					case KEYWORD: style = keywordStyle; break;
 					case NUMBER: style = numberStyle; break;
 					case MULTILINE_STRING:
 					case STRING:
 						if (this.whitespacesVisible) {
 							this._parseString(scanner.getData(), tokenStart, styles, stringStyle);
 							continue;
 						} else {
 							style = stringStyle;
 						}
 						break;
 					case DOC_COMMENT:
 						this._parseComment(scanner.getData(), tokenStart, styles, docCommentStyle, token);
 						continue;
 					case SINGLELINE_COMMENT:
 						this._parseComment(scanner.getData(), tokenStart, styles, singleCommentStyle, token);
 						continue;
 					case MULTILINE_COMMENT:
 						this._parseComment(scanner.getData(), tokenStart, styles, multiCommentStyle, token);
 						continue;
 					case WHITE_TAB:
 						if (this.whitespacesVisible && this.tabsVisible) {
 							style = tabStyle;
 						}
 						break;
 					case WHITE_SPACE:
 						if (this.whitespacesVisible && this.spacesVisible) {
 							style = spaceStyle;
 						}
 						break;
 				}
 				styles.push({start: tokenStart, end: scanner.getOffset() + offset, style: style});
 			}
 		},
 		_parseComment: function(text, offset, styles, s, type) {
 			var scanner = this._commentScanner;
 			scanner.setText(text);
 			scanner.setType(type);
 			var token;
 			while ((token = scanner.nextToken())) {
 				var tokenStart = scanner.getStartOffset() + offset;
 				var style = s;
 				switch (token) {
 					case WHITE_TAB:
 						if (this.whitespacesVisible && this.tabsVisible) {
 							style = tabStyle;
 						}
 						break;
 					case WHITE_SPACE:
 						if (this.whitespacesVisible && this.spacesVisible) {
 							style = spaceStyle;
 						}
 						break;
 					case HTML_MARKUP:
 						style = htmlMarkupStyle;
 						break;
 					case DOC_TAG:
 						style = doctagStyle;
 						break;
 					case TASK_TAG:
 						style = tasktagStyle;
 						break;
 					default:
 						if (this.detectHyperlinks) {
 							style = this._detectHyperlinks(scanner.getData(), tokenStart, styles, style);
 						}
 				}
 				if (style) {
 					styles.push({start: tokenStart, end: scanner.getOffset() + offset, style: style});
 				}
 			}
 		},
 		_parseString: function(text, offset, styles, s) {
 			var scanner = this._whitespaceScanner;
 			scanner.setText(text);
 			var token;
 			while ((token = scanner.nextToken())) {
 				var tokenStart = scanner.getStartOffset() + offset;
 				var style = s;
 				switch (token) {
 					case WHITE_TAB:
 						if (this.whitespacesVisible && this.tabsVisible) {
 							style = tabStyle;
 						}
 						break;
 					case WHITE_SPACE:
 						if (this.whitespacesVisible && this.spacesVisible) {
 							style = spaceStyle;
 						}
 						break;
 				}
 				if (style) {
 					styles.push({start: tokenStart, end: scanner.getOffset() + offset, style: style});
 				}
 			}
 		},
 		_detectHyperlinks: function(text, offset, styles, s) {
 			var href = null, index, linkStyle;
 			if ((index = text.indexOf("://")) > 0) { //$NON-NLS-0$
 				href = text;
 				var start = index;
 				while (start > 0) {
 					var c = href.charCodeAt(start - 1);
 					if (!((97 <= c && c <= 122) || (65 <= c && c <= 90) || 0x2d === c || (48 <= c && c <= 57))) { //LETTER OR DASH OR NUMBER
 						break;
 					}
 					start--;
 				}
 				if (start > 0) {
 					var brackets = "\"\"''(){}[]<>"; //$NON-NLS-0$
 					index = brackets.indexOf(href.substring(start - 1, start));
 					if (index !== -1 && (index & 1) === 0 && (index = href.lastIndexOf(brackets.substring(index + 1, index + 2))) !== -1) {
 						var end = index;
 						linkStyle = this._clone(s);
 						linkStyle.tagName = "a"; //$NON-NLS-0$
 						linkStyle.attributes = {href: href.substring(start, end)};
 						styles.push({start: offset, end: offset + start, style: s});
 						styles.push({start: offset + start, end: offset + end, style: linkStyle});
 						styles.push({start: offset + end, end: offset + text.length, style: s});
 						return null;
 					}
 				}
 			} else if (text.toLowerCase().indexOf("bug#") === 0) { //$NON-NLS-0$
 				href = "https://bugs.eclipse.org/bugs/show_bug.cgi?id=" + parseInt(text.substring(4), 10); //$NON-NLS-0$
 			}
 			if (href) {
 				linkStyle = this._clone(s);
 				linkStyle.tagName = "a"; //$NON-NLS-0$
 				linkStyle.attributes = {href: href};
 				return linkStyle;
 			}
 			return s;
 		},
 		_clone: function(obj) {
 			if (!obj) { return obj; }
 			var newObj = {};
 			for (var p in obj) {
 				if (obj.hasOwnProperty(p)) {
 					var value = obj[p];
 					newObj[p] = value;
 				}
 			}
 			return newObj;
 		},
 		_findComments: function(text, offset) {
 			offset = offset || 0;
 			var scanner = this._firstScanner, token;
 			scanner.setText(text);
 			var result = [];
 			while ((token = scanner.nextToken())) {
 				if (token === MULTILINE_COMMENT || token === DOC_COMMENT || token === MULTILINE_STRING) {
 					result.push({
 						start: scanner.getStartOffset() + offset,
 						end: scanner.getOffset() + offset,
 						type: token
 					});
 				}
 				if (token === SINGLELINE_COMMENT || token === MULTILINE_COMMENT || token === DOC_COMMENT) {
 					//TODO can we avoid this work if edition does not overlap comment?
 					this._computeTasks(token, scanner.getStartOffset() + offset, scanner.getOffset() + offset);
 				}
 			}
 			return result;
 		},
 		_findMatchingBracket: function(model, offset) {
 			var brackets = BRACKETS;
 			var bracket = model.getText(offset, offset + 1);
 			var bracketIndex = brackets.indexOf(bracket, 0);
 			if (bracketIndex === -1) { return -1; }
 			var closingBracket;
 			if (bracketIndex & 1) {
 				closingBracket = brackets.substring(bracketIndex - 1, bracketIndex);
 			} else {
 				closingBracket = brackets.substring(bracketIndex + 1, bracketIndex + 2);
 			}
 			var lineIndex = model.getLineAtOffset(offset);
 			var lineText = model.getLine(lineIndex);
 			var lineStart = model.getLineStart(lineIndex);
 			var lineEnd = model.getLineEnd(lineIndex);
 			brackets = this._findBrackets(bracket, closingBracket, lineText, lineStart, lineStart, lineEnd);
 			for (var i=0; i<brackets.length; i++) {
 				var sign = brackets[i] >= 0 ? 1 : -1;
 				if (brackets[i] * sign - 1 === offset) {
 					var level = 1;
 					if (bracketIndex & 1) {
 						i--;
 						for (; i>=0; i--) {
 							sign = brackets[i] >= 0 ? 1 : -1;
 							level += sign;
 							if (level === 0) {
 								return brackets[i] * sign - 1;
 							}
 						}
 						lineIndex -= 1;
 						while (lineIndex >= 0) {
 							lineText = model.getLine(lineIndex);
 							lineStart = model.getLineStart(lineIndex);
 							lineEnd = model.getLineEnd(lineIndex);
 							brackets = this._findBrackets(bracket, closingBracket, lineText, lineStart, lineStart, lineEnd);
 							for (var j=brackets.length - 1; j>=0; j--) {
 								sign = brackets[j] >= 0 ? 1 : -1;
 								level += sign;
 								if (level === 0) {
 									return brackets[j] * sign - 1;
 								}
 							}
 							lineIndex--;
 						}
 					} else {
 						i++;
 						for (; i<brackets.length; i++) {
 							sign = brackets[i] >= 0 ? 1 : -1;
 							level += sign;
 							if (level === 0) {
 								return brackets[i] * sign - 1;
 							}
 						}
 						lineIndex += 1;
 						var lineCount = model.getLineCount ();
 						while (lineIndex < lineCount) {
 							lineText = model.getLine(lineIndex);
 							lineStart = model.getLineStart(lineIndex);
 							lineEnd = model.getLineEnd(lineIndex);
 							brackets = this._findBrackets(bracket, closingBracket, lineText, lineStart, lineStart, lineEnd);
 							for (var k=0; k<brackets.length; k++) {
 								sign = brackets[k] >= 0 ? 1 : -1;
 								level += sign;
 								if (level === 0) {
 									return brackets[k] * sign - 1;
 								}
 							}
 							lineIndex++;
 						}
 					}
 					break;
 				}
 			}
 			return -1;
 		},
 		_findBrackets: function(bracket, closingBracket, text, textOffset, start, end) {
 			var result = [];
 			var bracketToken = bracket.charCodeAt(0);
 			var closingBracketToken = closingBracket.charCodeAt(0);
 			// for any sub range that is not a comment, parse code generating tokens (keywords, numbers, brackets, line comments, etc)
 			var offset = start, scanner = this._scanner, token, comments = this.comments;
 			var startIndex = this._binarySearch(comments, start, true);
 			for (var i = startIndex; i < comments.length; i++) {
 				if (comments[i].start >= end) { break; }
 				var commentStart = comments[i].start;
 				var commentEnd = comments[i].end;
 				if (offset < commentStart) {
 					scanner.setText(text.substring(offset - start, commentStart - start));
 					while ((token = scanner.nextToken())) {
 						if (token === bracketToken) {
 							result.push(scanner.getStartOffset() + offset - start + textOffset + 1);
 						} else if (token === closingBracketToken) {
 							result.push(-(scanner.getStartOffset() + offset - start + textOffset + 1));
 						}
 					}
 				}
 				offset = commentEnd;
 			}
 			if (offset < end) {
 				scanner.setText(text.substring(offset - start, end - start));
 				while ((token = scanner.nextToken())) {
 					if (token === bracketToken) {
 						result.push(scanner.getStartOffset() + offset - start + textOffset + 1);
 					} else if (token === closingBracketToken) {
 						result.push(-(scanner.getStartOffset() + offset - start + textOffset + 1));
 					}
 				}
 			}
 			return result;
 		},
 		_onDestroy: function(e) {
 			this.destroy();
 		},
 		_onLineStyle: function (e) {
 			if (e.textView === this.view) {
 				e.style = this._getLineStyle(e.lineIndex);
 			}
 			e.ranges = this._getStyles(e.textView.getModel(), e.lineText, e.lineStart);
 		},
 		_onSelection: function(e) {
 			var oldSelection = e.oldValue;
 			var newSelection = e.newValue;
 			var view = this.view;
 			var model = view.getModel();
 			var lineIndex;
 			if (this.highlightCaretLine) {
 				var oldLineIndex = model.getLineAtOffset(oldSelection.start);
 				lineIndex = model.getLineAtOffset(newSelection.start);
 				var newEmpty = newSelection.start === newSelection.end;
 				var oldEmpty = oldSelection.start === oldSelection.end;
 				if (!(oldLineIndex === lineIndex && oldEmpty && newEmpty)) {
 					if (oldEmpty) {
 						view.redrawLines(oldLineIndex, oldLineIndex + 1);
 					}
 					if ((oldLineIndex !== lineIndex || !oldEmpty) && newEmpty) {
 						view.redrawLines(lineIndex, lineIndex + 1);
 					}
 				}
 			}
 			if (!this.annotationModel) { return; }
 			var remove = this._bracketAnnotations, add, caret;
 			if (newSelection.start === newSelection.end && (caret = view.getCaretOffset()) > 0) {
 				var mapCaret = caret - 1;
 				if (model.getBaseModel) {
 					mapCaret = model.mapOffset(mapCaret);
 					model = model.getBaseModel();
 				}
 				var bracket = this._findMatchingBracket(model, mapCaret);
 				if (bracket !== -1) {
 					add = [
 						mAnnotations.AnnotationType.createAnnotation(mAnnotations.AnnotationType.ANNOTATION_MATCHING_BRACKET, bracket, bracket + 1),
 						mAnnotations.AnnotationType.createAnnotation(mAnnotations.AnnotationType.ANNOTATION_CURRENT_BRACKET, mapCaret, mapCaret + 1)
 					];
 				}
 			}
 			this._bracketAnnotations = add;
 			this.annotationModel.replaceAnnotations(remove, add);
 		},
 		_onMouseDown: function(e) {
 			if (e.clickCount !== 2) { return; }
 			var view = this.view;
 			var model = view.getModel();
 			var offset = view.getOffsetAtLocation(e.x, e.y);
 			if (offset > 0) {
 				var mapOffset = offset - 1;
 				var baseModel = model;
 				if (model.getBaseModel) {
 					mapOffset = model.mapOffset(mapOffset);
 					baseModel = model.getBaseModel();
 				}
 				var bracket = this._findMatchingBracket(baseModel, mapOffset);
 				if (bracket !== -1) {
 					e.preventDefault();
 					var mapBracket = bracket;
 					if (model.getBaseModel) {
 						mapBracket = model.mapOffset(mapBracket, true);
 					}
 					if (offset > mapBracket) {
 						offset--;
 						mapBracket++;
 					}
 					view.setSelection(mapBracket, offset);
 				}
 			}
 		},
 		_onModelChanged: function(e) {
 			var start = e.start;
 			var removedCharCount = e.removedCharCount;
 			var addedCharCount = e.addedCharCount;
 			var changeCount = addedCharCount - removedCharCount;
 			var view = this.view;
 			var viewModel = view.getModel();
 			var baseModel = viewModel.getBaseModel ? viewModel.getBaseModel() : viewModel;
 			var end = start + removedCharCount;
 			var charCount = baseModel.getCharCount();
 			var commentCount = this.comments.length;
 			var lineStart = baseModel.getLineStart(baseModel.getLineAtOffset(start));
 			var commentStart = this._binarySearch(this.comments, lineStart, true);
 			var commentEnd = this._binarySearch(this.comments, end, false, commentStart - 1, commentCount);

 			var ts;
 			if (commentStart < commentCount && this.comments[commentStart].start <= lineStart && lineStart < this.comments[commentStart].end) {
 				ts = this.comments[commentStart].start;
 				if (ts > start) { ts += changeCount; }
 			} else {
 				if (commentStart === commentCount && commentCount > 0 && charCount - changeCount === this.comments[commentCount - 1].end) {
 					ts = this.comments[commentCount - 1].start;
 				} else {
 					ts = lineStart;
 				}
 			}
 			var te;
 			if (commentEnd < commentCount) {
 				te = this.comments[commentEnd].end;
 				if (te > start) { te += changeCount; }
 				commentEnd += 1;
 			} else {
 				commentEnd = commentCount;
 				te = charCount;//TODO could it be smaller?
 			}
 			var text = baseModel.getText(ts, te), comment;
 			var newComments = this._findComments(text, ts), i;
 			for (i = commentStart; i < this.comments.length; i++) {
 				comment = this.comments[i];
 				if (comment.start > start) { comment.start += changeCount; }
 				if (comment.start > start) { comment.end += changeCount; }
 			}
 			var redraw = (commentEnd - commentStart) !== newComments.length;
 			if (!redraw) {
 				for (i=0; i<newComments.length; i++) {
 					comment = this.comments[commentStart + i];
 					var newComment = newComments[i];
 					if (comment.start !== newComment.start || comment.end !== newComment.end || comment.type !== newComment.type) {
 						redraw = true;
 						break;
 					}
 				}
 			}
 			var args = [commentStart, commentEnd - commentStart].concat(newComments);
 			Array.prototype.splice.apply(this.comments, args);
 			if (redraw) {
 				var redrawStart = ts;
 				var redrawEnd = te;
 				if (viewModel !== baseModel) {
 					redrawStart = viewModel.mapOffset(redrawStart, true);
 					redrawEnd = viewModel.mapOffset(redrawEnd, true);
 				}
 				view.redrawRange(redrawStart, redrawEnd);
 			}

 			if (this.foldingEnabled && baseModel !== viewModel && this.annotationModel) {
 				var annotationModel = this.annotationModel;
 				var iter = annotationModel.getAnnotations(ts, te);
 				var remove = [], all = [];
 				var annotation;
 				while (iter.hasNext()) {
 					annotation = iter.next();
 					if (annotation.type === mAnnotations.AnnotationType.ANNOTATION_FOLDING) {
 						all.push(annotation);
 						for (i = 0; i < newComments.length; i++) {
 							if (annotation.start === newComments[i].start && annotation.end === newComments[i].end) {
 								break;
 							}
 						}
 						if (i === newComments.length) {
 							remove.push(annotation);
 							annotation.expand();
 						} else {
 							var annotationStart = annotation.start;
 							var annotationEnd = annotation.end;
 							if (annotationStart > start) {
 								annotationStart -= changeCount;
 							}
 							if (annotationEnd > start) {
 								annotationEnd -= changeCount;
 							}
 							if (annotationStart <= start && start < annotationEnd && annotationStart <= end && end < annotationEnd) {
 								var startLine = baseModel.getLineAtOffset(annotation.start);
 								var endLine = baseModel.getLineAtOffset(annotation.end);
 								if (startLine !== endLine) {
 									if (!annotation.expanded) {
 										annotation.expand();
 										annotationModel.modifyAnnotation(annotation);
 									}
 								} else {
 									annotationModel.removeAnnotation(annotation);
 								}
 							}
 						}
 					}
 				}
 				var add = [];
 				for (i = 0; i < newComments.length; i++) {
 					comment = newComments[i];
 					for (var j = 0; j < all.length; j++) {
 						if (all[j].start === comment.start && all[j].end === comment.end) {
 							break;
 						}
 					}
 					if (j === all.length) {
 						annotation = this._createFoldingAnnotation(viewModel, baseModel, comment.start, comment.end);
 						if (annotation) {
 							add.push(annotation);
 						}
 					}
 				}
 				annotationModel.replaceAnnotations(remove, add);
 			}
 		}
 	};

 	return {TextStyler: TextStyler};
 });

 /*******************************************************************************
  * @license
  * Copyright (c) 2013 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0
  * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution
  * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html).
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 /*globals define Node */

 define('orion/editor/edit', [ //$NON-NLS-0$
 	"orion/editor/shim", //$NON-NLS-0$

 	"orion/editor/textView", //$NON-NLS-0$
 	"orion/editor/textModel", //$NON-NLS-0$
 	"orion/editor/textTheme", //$NON-NLS-0$
 	"orion/editor/projectionTextModel", //$NON-NLS-0$
 	"orion/editor/eventTarget", //$NON-NLS-0$
 	"orion/keyBinding", //$NON-NLS-0$
 	"orion/editor/rulers", //$NON-NLS-0$
 	"orion/editor/annotations", //$NON-NLS-0$
 	"orion/editor/tooltip", //$NON-NLS-0$
 	"orion/editor/undoStack", //$NON-NLS-0$
 	"orion/editor/textDND", //$NON-NLS-0$

 	"orion/editor/editor", //$NON-NLS-0$
 	"orion/editor/editorFeatures", //$NON-NLS-0$

 	"orion/editor/contentAssist", //$NON-NLS-0$
 	"orion/editor/cssContentAssist", //$NON-NLS-0$
 	"orion/editor/htmlContentAssist", //$NON-NLS-0$
 	"orion/editor/jsTemplateContentAssist", //$NON-NLS-0$

 	"orion/editor/AsyncStyler", //$NON-NLS-0$
 	"orion/editor/mirror", //$NON-NLS-0$
 	"orion/editor/textMateStyler", //$NON-NLS-0$
 	"orion/editor/htmlGrammar", //$NON-NLS-0$
 	"examples/editor/textStyler" //$NON-NLS-0$
 ], function(shim, mTextView, mTextModel, mTextTheme, mProjModel, mEventTarget, mKeyBinding, mRulers, mAnnotations, mTooltip, mUndoStack, mTextDND, mEditor, mEditorFeatures, mContentAssist, mCSSContentAssist, mHtmlContentAssist, mJSContentAssist, mAsyncStyler, mMirror, mTextMateStyler, mHtmlGrammar, mTextStyler) {

 	/**	@private */
 	function getDisplay(window, document, element) {
 		var display;
 		var temp = element;
 		while (temp && temp !== document && display !== "none") { //$NON-NLS-0$
 			if (window.getComputedStyle) {
 				var style = window.getComputedStyle(temp, null);
 				display = style.getPropertyValue("display"); //$NON-NLS-0$
 			} else {
 				display = temp.currentStyle.display;
 			}
 			temp = temp.parentNode;
 		}
 		return display;
 	}

 	/**	@private */
 	function getTextFromElement(element) {
 		var firstChild = element.firstChild;
 		if (firstChild && firstChild.tagName === "TEXTAREA") { //$NON-NLS-0$
 			return firstChild.value;
 		}
 		var document = element.ownerDocument;
 		var window = document.defaultView || document.parentWindow;
 		if (!window.getSelection ||
 			(element.childNodes.length === 1 && firstChild.nodeType === Node.TEXT_NODE) ||
 			getDisplay(window, document, element) === "none") //$NON-NLS-0$
 		{
 			return element.innerText || element.textContent;
 		}
 		var newRange = document.createRange();
 		newRange.selectNode(element);
 		var selection = window.getSelection();
 		var oldRanges = [], i;
 		for (i = 0; i < selection.rangeCount; i++) {
 			oldRanges.push(selection.getRangeAt(i));
 		}
 		selection.removeAllRanges();
 		selection.addRange(newRange);
 		var text = selection.toString();
 		selection.removeAllRanges();
 		for (i = 0; i < oldRanges.length; i++) {
 			selection.addRange(oldRanges[i]);
 		}
 		return text;
 	}

 	/**	@private */
 	function optionName(name) {
 		var prefix = "data-editor-"; //$NON-NLS-0$
 		if (name.substring(0, prefix.length) === prefix) {
 			var key = name.substring(prefix.length);
 			key = key.replace(/-([a-z])/ig, function(all, character) {
 				return character.toUpperCase();
 			});
 			return key;
 		}
 		return undefined;
 	}

 	/**	@private */
 	function merge(obj1, obj2) {
 		for (var p in obj2) {
 			if (obj2.hasOwnProperty(p)) {
 				obj1[p] = obj2[p];
 			}
 		}
 	}

 	/**	@private */
 	function mergeOptions(parent, defaultOptions) {
 		var options = {};
 		merge(options, defaultOptions);
 		for (var attr, j = 0, attrs = parent.attributes, l = attrs.length; j < l; j++) {
 			attr = attrs.item(j);
 			var key = optionName(attr.nodeName);
 			if (key) {
 				var value = attr.nodeValue;
 				if (value === "true" || value === "false") { //$NON-NLS-1$ //$NON-NLS-0$
 					value = value === "true"; //$NON-NLS-0$
 				}
 				options[key] = value;
 			}
 		}
 		return options;
 	}

 	/**	@private */
 	function getHeight(node) {
 		var rect = node.getBoundingClientRect();
 		return rect.bottom - rect.top;
 	}

 	/**
 	 * @class This object describes the options for <code>edit</code>.
 	 * @name orion.editor.EditOptions
 	 *
 	 * @property {String|DOMElement} parent the parent element for the view, it can be either a DOM element or an ID for a DOM element.
 	 * @property {Boolean} [readonly=false] whether or not the view is read-only.
 	 * @property {Boolean} [fullSelection=true] whether or not the view is in full selection mode.
 	 * @property {Boolean} [tabMode=true] whether or not the tab keypress is consumed by the view or is used for focus traversal.
 	 * @property {Boolean} [expandTab=false] whether or not the tab key inserts white spaces.
 	 * @property {String} [themeClass] the CSS class for the view theming.
 	 * @property {Number} [tabSize=4] The number of spaces in a tab.
 	 * @property {Boolean} [singleMode=false] whether or not the editor is in single line mode.
 	 * @property {Boolean} [wrapMode=false] whether or not the view wraps lines.
 	 * @property {Function} [statusReporter] a status reporter.
 	 * @property {String} [title=""] the editor title.
 	 * @property {String} [contents=""] the editor contents.
 	 * @property {String} [lang] the styler language. Plain text by default.
 	 * @property {Boolean} [showLinesRuler=true] whether or not the lines ruler is shown.
 	 * @property {Boolean} [showAnnotationRuler=true] whether or not the annotation ruler is shown.
 	 * @property {Boolean} [showOverviewRuler=true] whether or not the overview ruler is shown.
 	 * @property {Boolean} [showFoldingRuler=true] whether or not the folding ruler is shown.
 	 * @property {Number} [firstLineIndex=1] the line index displayed for the first line of text.
 	 */
 	/**
 	 * Creates an editor instance configured with the given options.
 	 *
 	 * @param {orion.editor.EditOptions} options the editor options.
 	 */
 	function edit(options) {
 		var parent = options.parent;
 		if (!parent) { parent = "editor"; } //$NON-NLS-0$
 		if (typeof(parent) === "string") { //$NON-NLS-0$
 			parent = (options.document || document).getElementById(parent);
 		}
 		if (!parent) {
 			if (options.className) {
 				var parents = (options.document || document).getElementsByClassName(options.className);
 				if (parents) {
 					options.className = undefined;
 					var editors = [];
 					for (var i = 0; i < parents.length; i++) {
 						options.parent = parents[i];
 						editors.push(edit(options));
 					}
 					return editors;
 				}
 			}
 		}
 		if (!parent) { throw "no parent"; } //$NON-NLS-0$
 		options = mergeOptions(parent, options);

 		if (typeof options.theme === "string") { //$NON-NLS-0$
 			var theme = mTextTheme.TextTheme.getTheme(options.theme);
 			var index = options.theme.lastIndexOf("/"); //$NON-NLS-0$
 			var themeClass = options.theme;
 			if (index !== -1) {
 				themeClass = themeClass.substring(index + 1);
 			}
 			var extension = ".css"; //$NON-NLS-0$
 			if (themeClass.substring(themeClass.length - extension.length) === extension) {
 				themeClass = themeClass.substring(0, themeClass.length - extension.length);
 			}
 			theme.setThemeClass(themeClass, {href: options.theme});
 			options.theme = theme;
 		}
 		var textViewFactory = function() {
 			return new mTextView.TextView({
 				parent: parent,
 				model: new mProjModel.ProjectionTextModel(new mTextModel.TextModel("")),
 				tabSize: options.tabSize ? options.tabSize : 4,
 				readonly: options.readonly,
 				fullSelection: options.fullSelection,
 				tabMode: options.tabMode,
 				expandTab: options.expandTab,
 				singleMode: options.singleMode,
 				themeClass: options.themeClass,
 				theme: options.theme,
 				wrapMode: options.wrapMode
 			});
 		};

 		var contentAssist, contentAssistFactory;
 		if (!options.readonly) {
 			contentAssistFactory = {
 				createContentAssistMode: function(editor) {
 					contentAssist = new mContentAssist.ContentAssist(editor.getTextView());
 					var contentAssistWidget = new mContentAssist.ContentAssistWidget(contentAssist);
 					var result = new mContentAssist.ContentAssistMode(contentAssist, contentAssistWidget);
 					contentAssist.setMode(result);
 					return result;
 				}
 			};
 		}

 		// Canned highlighters for js, java, and css. Grammar-based highlighter for html
 		var syntaxHighlighter = {
 			styler: null,

 			highlight: function(lang, editor) {
 				if (this.styler) {
 					this.styler.destroy();
 					this.styler = null;
 				}
 				if (lang) {
 					var textView = editor.getTextView();
 					var annotationModel = editor.getAnnotationModel();
 					switch(lang) {
 						case "js": //$NON-NLS-0$
 						case "java": //$NON-NLS-0$
 						case "css": //$NON-NLS-0$
 							this.styler = new mTextStyler.TextStyler(textView, lang, annotationModel);
 							editor.setFoldingRulerVisible(options.showFoldingRuler === undefined || options.showFoldingRuler);
 							break;
 						case "html": //$NON-NLS-0$
 							this.styler = new mTextMateStyler.TextMateStyler(textView, new mHtmlGrammar.HtmlGrammar());
 							break;
 					}
 				}
 			}
 		};

 		var editor = new mEditor.Editor({
 			textViewFactory: textViewFactory,
 			undoStackFactory: new mEditorFeatures.UndoFactory(),
 			annotationFactory: new mEditorFeatures.AnnotationFactory(),
 			lineNumberRulerFactory: new mEditorFeatures.LineNumberRulerFactory(),
 			foldingRulerFactory: new mEditorFeatures.FoldingRulerFactory(),
 			textDNDFactory: new mEditorFeatures.TextDNDFactory(),
 			contentAssistFactory: contentAssistFactory,
 			keyBindingFactory: new mEditorFeatures.KeyBindingsFactory(),
 			statusReporter: options.statusReporter,
 			domNode: parent
 		});
 		editor.addEventListener("TextViewInstalled", function() { //$NON-NLS-0$
 			var ruler = editor.getLineNumberRuler();
 			if (ruler && options.firstLineIndex !== undefined) {
 				ruler.setFirstLine(options.firstLineIndex);
 			}
 			editor.getSourceCodeActions().setAutoPairing(options.autoPairing);
 		});

 		var contents = options.contents;
 		if (contents === undefined) {
 			contents = getTextFromElement(parent);
 		}
 		if (!contents) { contents=""; }

 		editor.installTextView();
 		editor.setLineNumberRulerVisible(options.showLinesRuler === undefined || options.showLinesRuler);
 		editor.setAnnotationRulerVisible(options.showAnnotationRuler === undefined || options.showFoldingRuler);
 		editor.setOverviewRulerVisible(options.showOverviewRuler === undefined || options.showOverviewRuler);
 		editor.setFoldingRulerVisible(options.showFoldingRuler === undefined || options.showFoldingRuler);
 		editor.setInput(options.title, null, contents);

 		syntaxHighlighter.highlight(options.lang, editor);
 		if (contentAssist) {
 			var cssContentAssistProvider = new mCSSContentAssist.CssContentAssistProvider();
 			var htmlContentAssistProvider = new mHtmlContentAssist.HTMLContentAssistProvider();
 			var jsTemplateContentAssistProvider = new mJSContentAssist.JSTemplateContentAssistProvider();
 			contentAssist.addEventListener("Activating", function() { //$NON-NLS-0$
 				if (/css$/.test(options.lang)) {
 					contentAssist.setProviders([cssContentAssistProvider]);
 				} else if (/js$/.test(options.lang)) {
 					contentAssist.setProviders([jsTemplateContentAssistProvider]);
 				} else if (/html$/.test(options.lang)) {
 					contentAssist.setProviders([htmlContentAssistProvider]);
 				}
 			});
 		}
 		/* The minimum height of the editor is 50px */
 		if (getHeight(parent) <= 50) {
 			var height = editor.getTextView().computeSize().height;
 			parent.style.height = height + "px"; //$NON-NLS-0$
 		}
 		return editor;
 	}

 	var editorNS = this.orion ? this.orion.editor : undefined;
 	if (editorNS) {
 		for (var i = 0; i < arguments.length; i++) {
 			merge(editorNS, arguments[i]);
 		}
 	}

 	return edit;
 });

 var orion = this.orion || (this.orion = {});
 var editor = orion.editor || (orion.editor = {});
 editor.edit = require('orion/editor/edit');