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eclipse / gerrit / websites / dev.eclipse.org / 30ec92aeb0b51210fa7c2d8529cd2800ff8f293d / . / eclipse.org-common / yui / 2.6.0 / build / yuiloader / yuiloader.js
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/*
Copyright (c) 2008, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.6.0
*/
/**
* The YAHOO object is the single global object used by YUI Library. It
* contains utility function for setting up namespaces, inheritance, and
* logging. YAHOO.util, YAHOO.widget, and YAHOO.example are namespaces
* created automatically for and used by the library.
* @module yahoo
* @title YAHOO Global
*/
/**
* YAHOO_config is not included as part of the library. Instead it is an
* object that can be defined by the implementer immediately before
* including the YUI library. The properties included in this object
* will be used to configure global properties needed as soon as the
* library begins to load.
* @class YAHOO_config
* @static
*/
/**
* A reference to a function that will be executed every time a YAHOO module
* is loaded. As parameter, this function will receive the version
* information for the module. See <a href="YAHOO.env.html#getVersion">
* YAHOO.env.getVersion</a> for the description of the version data structure.
* @property listener
* @type Function
* @static
* @default undefined
*/
/**
* Set to true if the library will be dynamically loaded after window.onload.
* Defaults to false
* @property injecting
* @type boolean
* @static
* @default undefined
*/
/**
* Instructs the yuiloader component to dynamically load yui components and
* their dependencies. See the yuiloader documentation for more information
* about dynamic loading
* @property load
* @static
* @default undefined
* @see yuiloader
*/
/**
* Forces the use of the supplied locale where applicable in the library
* @property locale
* @type string
* @static
* @default undefined
*/
if (typeof YAHOO == "undefined" || !YAHOO) {
/**
* The YAHOO global namespace object. If YAHOO is already defined, the
* existing YAHOO object will not be overwritten so that defined
* namespaces are preserved.
* @class YAHOO
* @static
*/
var YAHOO = {};
}
/**
* Returns the namespace specified and creates it if it doesn't exist
* <pre>
* YAHOO.namespace("property.package");
* YAHOO.namespace("YAHOO.property.package");
* </pre>
* Either of the above would create YAHOO.property, then
* YAHOO.property.package
*
* Be careful when naming packages. Reserved words may work in some browsers
* and not others. For instance, the following will fail in Safari:
* <pre>
* YAHOO.namespace("really.long.nested.namespace");
* </pre>
* This fails because "long" is a future reserved word in ECMAScript
*
* @method namespace
* @static
* @param {String*} arguments 1-n namespaces to create
* @return {Object} A reference to the last namespace object created
*/
YAHOO.namespace = function() {
var a=arguments, o=null, i, j, d;
for (i=0; i<a.length; i=i+1) {
d=a[i].split(".");
o=YAHOO;
// YAHOO is implied, so it is ignored if it is included
for (j=(d[0] == "YAHOO") ? 1 : 0; j<d.length; j=j+1) {
o[d[j]]=o[d[j]] || {};
o=o[d[j]];
}
}
return o;
};
/**
* Uses YAHOO.widget.Logger to output a log message, if the widget is
* available.
*
* @method log
* @static
* @param {String} msg The message to log.
* @param {String} cat The log category for the message. Default
* categories are "info", "warn", "error", time".
* Custom categories can be used as well. (opt)
* @param {String} src The source of the the message (opt)
* @return {Boolean} True if the log operation was successful.
*/
YAHOO.log = function(msg, cat, src) {
var l=YAHOO.widget.Logger;
if(l && l.log) {
return l.log(msg, cat, src);
} else {
return false;
}
};
/**
* Registers a module with the YAHOO object
* @method register
* @static
* @param {String} name the name of the module (event, slider, etc)
* @param {Function} mainClass a reference to class in the module. This
* class will be tagged with the version info
* so that it will be possible to identify the
* version that is in use when multiple versions
* have loaded
* @param {Object} data metadata object for the module. Currently it
* is expected to contain a "version" property
* and a "build" property at minimum.
*/
YAHOO.register = function(name, mainClass, data) {
var mods = YAHOO.env.modules;
if (!mods[name]) {
mods[name] = { versions:[], builds:[] };
}
var m=mods[name],v=data.version,b=data.build,ls=YAHOO.env.listeners;
m.name = name;
m.version = v;
m.build = b;
m.versions.push(v);
m.builds.push(b);
m.mainClass = mainClass;
// fire the module load listeners
for (var i=0;i<ls.length;i=i+1) {
ls[i](m);
}
// label the main class
if (mainClass) {
mainClass.VERSION = v;
mainClass.BUILD = b;
} else {
YAHOO.log("mainClass is undefined for module " + name, "warn");
}
};
/**
* YAHOO.env is used to keep track of what is known about the YUI library and
* the browsing environment
* @class YAHOO.env
* @static
*/
YAHOO.env = YAHOO.env || {
/**
* Keeps the version info for all YUI modules that have reported themselves
* @property modules
* @type Object[]
*/
modules: [],
/**
* List of functions that should be executed every time a YUI module
* reports itself.
* @property listeners
* @type Function[]
*/
listeners: []
};
/**
* Returns the version data for the specified module:
* <dl>
* <dt>name:</dt> <dd>The name of the module</dd>
* <dt>version:</dt> <dd>The version in use</dd>
* <dt>build:</dt> <dd>The build number in use</dd>
* <dt>versions:</dt> <dd>All versions that were registered</dd>
* <dt>builds:</dt> <dd>All builds that were registered.</dd>
* <dt>mainClass:</dt> <dd>An object that was was stamped with the
* current version and build. If
* mainClass.VERSION != version or mainClass.BUILD != build,
* multiple versions of pieces of the library have been
* loaded, potentially causing issues.</dd>
* </dl>
*
* @method getVersion
* @static
* @param {String} name the name of the module (event, slider, etc)
* @return {Object} The version info
*/
YAHOO.env.getVersion = function(name) {
return YAHOO.env.modules[name] || null;
};
/**
* Do not fork for a browser if it can be avoided. Use feature detection when
* you can. Use the user agent as a last resort. YAHOO.env.ua stores a version
* number for the browser engine, 0 otherwise. This value may or may not map
* to the version number of the browser using the engine. The value is
* presented as a float so that it can easily be used for boolean evaluation
* as well as for looking for a particular range of versions. Because of this,
* some of the granularity of the version info may be lost (e.g., Gecko 1.8.0.9
* reports 1.8).
* @class YAHOO.env.ua
* @static
*/
YAHOO.env.ua = function() {
var o={
/**
* Internet Explorer version number or 0. Example: 6
* @property ie
* @type float
*/
ie:0,
/**
* Opera version number or 0. Example: 9.2
* @property opera
* @type float
*/
opera:0,
/**
* Gecko engine revision number. Will evaluate to 1 if Gecko
* is detected but the revision could not be found. Other browsers
* will be 0. Example: 1.8
* <pre>
* Firefox 1.0.0.4: 1.7.8 <-- Reports 1.7
* Firefox 1.5.0.9: 1.8.0.9 <-- Reports 1.8
* Firefox 2.0.0.3: 1.8.1.3 <-- Reports 1.8
* Firefox 3 alpha: 1.9a4 <-- Reports 1.9
* </pre>
* @property gecko
* @type float
*/
gecko:0,
/**
* AppleWebKit version. KHTML browsers that are not WebKit browsers
* will evaluate to 1, other browsers 0. Example: 418.9.1
* <pre>
* Safari 1.3.2 (312.6): 312.8.1 <-- Reports 312.8 -- currently the
* latest available for Mac OSX 10.3.
* Safari 2.0.2: 416 <-- hasOwnProperty introduced
* Safari 2.0.4: 418 <-- preventDefault fixed
* Safari 2.0.4 (419.3): 418.9.1 <-- One version of Safari may run
* different versions of webkit
* Safari 2.0.4 (419.3): 419 <-- Tiger installations that have been
* updated, but not updated
* to the latest patch.
* Webkit 212 nightly: 522+ <-- Safari 3.0 precursor (with native SVG
* and many major issues fixed).
* 3.x yahoo.com, flickr:422 <-- Safari 3.x hacks the user agent
* string when hitting yahoo.com and
* flickr.com.
* Safari 3.0.4 (523.12):523.12 <-- First Tiger release - automatic update
* from 2.x via the 10.4.11 OS patch
* Webkit nightly 1/2008:525+ <-- Supports DOMContentLoaded event.
* yahoo.com user agent hack removed.
*
* </pre>
* http://developer.apple.com/internet/safari/uamatrix.html
* @property webkit
* @type float
*/
webkit: 0,
/**
* The mobile property will be set to a string containing any relevant
* user agent information when a modern mobile browser is detected.
* Currently limited to Safari on the iPhone/iPod Touch, Nokia N-series
* devices with the WebKit-based browser, and Opera Mini.
* @property mobile
* @type string
*/
mobile: null,
/**
* Adobe AIR version number or 0. Only populated if webkit is detected.
* Example: 1.0
* @property air
* @type float
*/
air: 0
};
var ua=navigator.userAgent, m;
// Modern KHTML browsers should qualify as Safari X-Grade
if ((/KHTML/).test(ua)) {
o.webkit=1;
}
// Modern WebKit browsers are at least X-Grade
m=ua.match(/AppleWebKit\/([^\s]*)/);
if (m&&m[1]) {
o.webkit=parseFloat(m[1]);
// Mobile browser check
if (/ Mobile\//.test(ua)) {
o.mobile = "Apple"; // iPhone or iPod Touch
} else {
m=ua.match(/NokiaN[^\/]*/);
if (m) {
o.mobile = m[0]; // Nokia N-series, ex: NokiaN95
}
}
m=ua.match(/AdobeAIR\/([^\s]*)/);
if (m) {
o.air = m[0]; // Adobe AIR 1.0 or better
}
}
if (!o.webkit) { // not webkit
// @todo check Opera/8.01 (J2ME/MIDP; Opera Mini/2.0.4509/1316; fi; U; ssr)
m=ua.match(/Opera[\s\/]([^\s]*)/);
if (m&&m[1]) {
o.opera=parseFloat(m[1]);
m=ua.match(/Opera Mini[^;]*/);
if (m) {
o.mobile = m[0]; // ex: Opera Mini/2.0.4509/1316
}
} else { // not opera or webkit
m=ua.match(/MSIE\s([^;]*)/);
if (m&&m[1]) {
o.ie=parseFloat(m[1]);
} else { // not opera, webkit, or ie
m=ua.match(/Gecko\/([^\s]*)/);
if (m) {
o.gecko=1; // Gecko detected, look for revision
m=ua.match(/rv:([^\s\)]*)/);
if (m&&m[1]) {
o.gecko=parseFloat(m[1]);
}
}
}
}
}
return o;
}();
/*
* Initializes the global by creating the default namespaces and applying
* any new configuration information that is detected. This is the setup
* for env.
* @method init
* @static
* @private
*/
(function() {
YAHOO.namespace("util", "widget", "example");
if ("undefined" !== typeof YAHOO_config) {
var l=YAHOO_config.listener,ls=YAHOO.env.listeners,unique=true,i;
if (l) {
// if YAHOO is loaded multiple times we need to check to see if
// this is a new config object. If it is, add the new component
// load listener to the stack
for (i=0;i<ls.length;i=i+1) {
if (ls[i]==l) {
unique=false;
break;
}
}
if (unique) {
ls.push(l);
}
}
}
})();
/**
* Provides the language utilites and extensions used by the library
* @class YAHOO.lang
*/
YAHOO.lang = YAHOO.lang || {};
(function() {
var L = YAHOO.lang,
// ADD = ["toString", "valueOf", "hasOwnProperty"],
ADD = ["toString", "valueOf"],
OB = {
/**
* Determines whether or not the provided object is an array.
* Testing typeof/instanceof/constructor of arrays across frame
* boundaries isn't possible in Safari unless you have a reference
* to the other frame to test against its Array prototype. To
* handle this case, we test well-known array properties instead.
* properties.
* @method isArray
* @param {any} o The object being testing
* @return {boolean} the result
*/
isArray: function(o) {
if (o) {
return L.isNumber(o.length) && L.isFunction(o.splice);
}
return false;
},
/**
* Determines whether or not the provided object is a boolean
* @method isBoolean
* @param {any} o The object being testing
* @return {boolean} the result
*/
isBoolean: function(o) {
return typeof o === 'boolean';
},
/**
* Determines whether or not the provided object is a function
* @method isFunction
* @param {any} o The object being testing
* @return {boolean} the result
*/
isFunction: function(o) {
return typeof o === 'function';
},
/**
* Determines whether or not the provided object is null
* @method isNull
* @param {any} o The object being testing
* @return {boolean} the result
*/
isNull: function(o) {
return o === null;
},
/**
* Determines whether or not the provided object is a legal number
* @method isNumber
* @param {any} o The object being testing
* @return {boolean} the result
*/
isNumber: function(o) {
return typeof o === 'number' && isFinite(o);
},
/**
* Determines whether or not the provided object is of type object
* or function
* @method isObject
* @param {any} o The object being testing
* @return {boolean} the result
*/
isObject: function(o) {
return (o && (typeof o === 'object' || L.isFunction(o))) || false;
},
/**
* Determines whether or not the provided object is a string
* @method isString
* @param {any} o The object being testing
* @return {boolean} the result
*/
isString: function(o) {
return typeof o === 'string';
},
/**
* Determines whether or not the provided object is undefined
* @method isUndefined
* @param {any} o The object being testing
* @return {boolean} the result
*/
isUndefined: function(o) {
return typeof o === 'undefined';
},
/**
* IE will not enumerate native functions in a derived object even if the
* function was overridden. This is a workaround for specific functions
* we care about on the Object prototype.
* @property _IEEnumFix
* @param {Function} r the object to receive the augmentation
* @param {Function} s the object that supplies the properties to augment
* @static
* @private
*/
_IEEnumFix: (YAHOO.env.ua.ie) ? function(r, s) {
for (var i=0;i<ADD.length;i=i+1) {
var fname=ADD[i],f=s[fname];
if (L.isFunction(f) && f!=Object.prototype[fname]) {
r[fname]=f;
}
}
} : function(){},
/**
* Utility to set up the prototype, constructor and superclass properties to
* support an inheritance strategy that can chain constructors and methods.
* Static members will not be inherited.
*
* @method extend
* @static
* @param {Function} subc the object to modify
* @param {Function} superc the object to inherit
* @param {Object} overrides additional properties/methods to add to the
* subclass prototype. These will override the
* matching items obtained from the superclass
* if present.
*/
extend: function(subc, superc, overrides) {
if (!superc||!subc) {
throw new Error("extend failed, please check that " +
"all dependencies are included.");
}
var F = function() {};
F.prototype=superc.prototype;
subc.prototype=new F();
subc.prototype.constructor=subc;
subc.superclass=superc.prototype;
if (superc.prototype.constructor == Object.prototype.constructor) {
superc.prototype.constructor=superc;
}
if (overrides) {
for (var i in overrides) {
if (L.hasOwnProperty(overrides, i)) {
subc.prototype[i]=overrides[i];
}
}
L._IEEnumFix(subc.prototype, overrides);
}
},
/**
* Applies all properties in the supplier to the receiver if the
* receiver does not have these properties yet. Optionally, one or
* more methods/properties can be specified (as additional
* parameters). This option will overwrite the property if receiver
* has it already. If true is passed as the third parameter, all
* properties will be applied and _will_ overwrite properties in
* the receiver.
*
* @method augmentObject
* @static
* @since 2.3.0
* @param {Function} r the object to receive the augmentation
* @param {Function} s the object that supplies the properties to augment
* @param {String*|boolean} arguments zero or more properties methods
* to augment the receiver with. If none specified, everything
* in the supplier will be used unless it would
* overwrite an existing property in the receiver. If true
* is specified as the third parameter, all properties will
* be applied and will overwrite an existing property in
* the receiver
*/
augmentObject: function(r, s) {
if (!s||!r) {
throw new Error("Absorb failed, verify dependencies.");
}
var a=arguments, i, p, override=a[2];
if (override && override!==true) { // only absorb the specified properties
for (i=2; i<a.length; i=i+1) {
r[a[i]] = s[a[i]];
}
} else { // take everything, overwriting only if the third parameter is true
for (p in s) {
if (override || !(p in r)) {
r[p] = s[p];
}
}
L._IEEnumFix(r, s);
}
},
/**
* Same as YAHOO.lang.augmentObject, except it only applies prototype properties
* @see YAHOO.lang.augmentObject
* @method augmentProto
* @static
* @param {Function} r the object to receive the augmentation
* @param {Function} s the object that supplies the properties to augment
* @param {String*|boolean} arguments zero or more properties methods
* to augment the receiver with. If none specified, everything
* in the supplier will be used unless it would overwrite an existing
* property in the receiver. if true is specified as the third
* parameter, all properties will be applied and will overwrite an
* existing property in the receiver
*/
augmentProto: function(r, s) {
if (!s||!r) {
throw new Error("Augment failed, verify dependencies.");
}
//var a=[].concat(arguments);
var a=[r.prototype,s.prototype];
for (var i=2;i<arguments.length;i=i+1) {
a.push(arguments[i]);
}
L.augmentObject.apply(this, a);
},
/**
* Returns a simple string representation of the object or array.
* Other types of objects will be returned unprocessed. Arrays
* are expected to be indexed. Use object notation for
* associative arrays.
* @method dump
* @since 2.3.0
* @param o {Object} The object to dump
* @param d {int} How deep to recurse child objects, default 3
* @return {String} the dump result
*/
dump: function(o, d) {
var i,len,s=[],OBJ="{...}",FUN="f(){...}",
COMMA=', ', ARROW=' => ';
// Cast non-objects to string
// Skip dates because the std toString is what we want
// Skip HTMLElement-like objects because trying to dump
// an element will cause an unhandled exception in FF 2.x
if (!L.isObject(o)) {
return o + "";
} else if (o instanceof Date || ("nodeType" in o && "tagName" in o)) {
return o;
} else if (L.isFunction(o)) {
return FUN;
}
// dig into child objects the depth specifed. Default 3
d = (L.isNumber(d)) ? d : 3;
// arrays [1, 2, 3]
if (L.isArray(o)) {
s.push("[");
for (i=0,len=o.length;i<len;i=i+1) {
if (L.isObject(o[i])) {
s.push((d > 0) ? L.dump(o[i], d-1) : OBJ);
} else {
s.push(o[i]);
}
s.push(COMMA);
}
if (s.length > 1) {
s.pop();
}
s.push("]");
// objects {k1 => v1, k2 => v2}
} else {
s.push("{");
for (i in o) {
if (L.hasOwnProperty(o, i)) {
s.push(i + ARROW);
if (L.isObject(o[i])) {
s.push((d > 0) ? L.dump(o[i], d-1) : OBJ);
} else {
s.push(o[i]);
}
s.push(COMMA);
}
}
if (s.length > 1) {
s.pop();
}
s.push("}");
}
return s.join("");
},
/**
* Does variable substitution on a string. It scans through the string
* looking for expressions enclosed in { } braces. If an expression
* is found, it is used a key on the object. If there is a space in
* the key, the first word is used for the key and the rest is provided
* to an optional function to be used to programatically determine the
* value (the extra information might be used for this decision). If
* the value for the key in the object, or what is returned from the
* function has a string value, number value, or object value, it is
* substituted for the bracket expression and it repeats. If this
* value is an object, it uses the Object's toString() if this has
* been overridden, otherwise it does a shallow dump of the key/value
* pairs.
* @method substitute
* @since 2.3.0
* @param s {String} The string that will be modified.
* @param o {Object} An object containing the replacement values
* @param f {Function} An optional function that can be used to
* process each match. It receives the key,
* value, and any extra metadata included with
* the key inside of the braces.
* @return {String} the substituted string
*/
substitute: function (s, o, f) {
var i, j, k, key, v, meta, saved=[], token,
DUMP='dump', SPACE=' ', LBRACE='{', RBRACE='}';
for (;;) {
i = s.lastIndexOf(LBRACE);
if (i < 0) {
break;
}
j = s.indexOf(RBRACE, i);
if (i + 1 >= j) {
break;
}
//Extract key and meta info
token = s.substring(i + 1, j);
key = token;
meta = null;
k = key.indexOf(SPACE);
if (k > -1) {
meta = key.substring(k + 1);
key = key.substring(0, k);
}
// lookup the value
v = o[key];
// if a substitution function was provided, execute it
if (f) {
v = f(key, v, meta);
}
if (L.isObject(v)) {
if (L.isArray(v)) {
v = L.dump(v, parseInt(meta, 10));
} else {
meta = meta || "";
// look for the keyword 'dump', if found force obj dump
var dump = meta.indexOf(DUMP);
if (dump > -1) {
meta = meta.substring(4);
}
// use the toString if it is not the Object toString
// and the 'dump' meta info was not found
if (v.toString===Object.prototype.toString||dump>-1) {
v = L.dump(v, parseInt(meta, 10));
} else {
v = v.toString();
}
}
} else if (!L.isString(v) && !L.isNumber(v)) {
// This {block} has no replace string. Save it for later.
v = "~-" + saved.length + "-~";
saved[saved.length] = token;
// break;
}
s = s.substring(0, i) + v + s.substring(j + 1);
}
// restore saved {block}s
for (i=saved.length-1; i>=0; i=i-1) {
s = s.replace(new RegExp("~-" + i + "-~"), "{" + saved[i] + "}", "g");
}
return s;
},
/**
* Returns a string without any leading or trailing whitespace. If
* the input is not a string, the input will be returned untouched.
* @method trim
* @since 2.3.0
* @param s {string} the string to trim
* @return {string} the trimmed string
*/
trim: function(s){
try {
return s.replace(/^\s+|\s+$/g, "");
} catch(e) {
return s;
}
},
/**
* Returns a new object containing all of the properties of
* all the supplied objects. The properties from later objects
* will overwrite those in earlier objects.
* @method merge
* @since 2.3.0
* @param arguments {Object*} the objects to merge
* @return the new merged object
*/
merge: function() {
var o={}, a=arguments;
for (var i=0, l=a.length; i<l; i=i+1) {
L.augmentObject(o, a[i], true);
}
return o;
},
/**
* Executes the supplied function in the context of the supplied
* object 'when' milliseconds later. Executes the function a
* single time unless periodic is set to true.
* @method later
* @since 2.4.0
* @param when {int} the number of milliseconds to wait until the fn
* is executed
* @param o the context object
* @param fn {Function|String} the function to execute or the name of
* the method in the 'o' object to execute
* @param data [Array] data that is provided to the function. This accepts
* either a single item or an array. If an array is provided, the
* function is executed with one parameter for each array item. If
* you need to pass a single array parameter, it needs to be wrapped in
* an array [myarray]
* @param periodic {boolean} if true, executes continuously at supplied
* interval until canceled
* @return a timer object. Call the cancel() method on this object to
* stop the timer.
*/
later: function(when, o, fn, data, periodic) {
when = when || 0;
o = o || {};
var m=fn, d=data, f, r;
if (L.isString(fn)) {
m = o[fn];
}
if (!m) {
throw new TypeError("method undefined");
}
if (!L.isArray(d)) {
d = [data];
}
f = function() {
m.apply(o, d);
};
r = (periodic) ? setInterval(f, when) : setTimeout(f, when);
return {
interval: periodic,
cancel: function() {
if (this.interval) {
clearInterval(r);
} else {
clearTimeout(r);
}
}
};
},
/**
* A convenience method for detecting a legitimate non-null value.
* Returns false for null/undefined/NaN, true for other values,
* including 0/false/''
* @method isValue
* @since 2.3.0
* @param o {any} the item to test
* @return {boolean} true if it is not null/undefined/NaN || false
*/
isValue: function(o) {
// return (o || o === false || o === 0 || o === ''); // Infinity fails
return (L.isObject(o) || L.isString(o) || L.isNumber(o) || L.isBoolean(o));
}
};
/**
* Determines whether or not the property was added
* to the object instance. Returns false if the property is not present
* in the object, or was inherited from the prototype.
* This abstraction is provided to enable hasOwnProperty for Safari 1.3.x.
* There is a discrepancy between YAHOO.lang.hasOwnProperty and
* Object.prototype.hasOwnProperty when the property is a primitive added to
* both the instance AND prototype with the same value:
* <pre>
* var A = function() {};
* A.prototype.foo = 'foo';
* var a = new A();
* a.foo = 'foo';
* alert(a.hasOwnProperty('foo')); // true
* alert(YAHOO.lang.hasOwnProperty(a, 'foo')); // false when using fallback
* </pre>
* @method hasOwnProperty
* @param {any} o The object being testing
* @param prop {string} the name of the property to test
* @return {boolean} the result
*/
L.hasOwnProperty = (Object.prototype.hasOwnProperty) ?
function(o, prop) {
return o && o.hasOwnProperty(prop);
} : function(o, prop) {
return !L.isUndefined(o[prop]) &&
o.constructor.prototype[prop] !== o[prop];
};
// new lang wins
OB.augmentObject(L, OB, true);
/*
* An alias for <a href="YAHOO.lang.html">YAHOO.lang</a>
* @class YAHOO.util.Lang
*/
YAHOO.util.Lang = L;
/**
* Same as YAHOO.lang.augmentObject, except it only applies prototype
* properties. This is an alias for augmentProto.
* @see YAHOO.lang.augmentObject
* @method augment
* @static
* @param {Function} r the object to receive the augmentation
* @param {Function} s the object that supplies the properties to augment
* @param {String*|boolean} arguments zero or more properties methods to
* augment the receiver with. If none specified, everything
* in the supplier will be used unless it would
* overwrite an existing property in the receiver. if true
* is specified as the third parameter, all properties will
* be applied and will overwrite an existing property in
* the receiver
*/
L.augment = L.augmentProto;
/**
* An alias for <a href="YAHOO.lang.html#augment">YAHOO.lang.augment</a>
* @for YAHOO
* @method augment
* @static
* @param {Function} r the object to receive the augmentation
* @param {Function} s the object that supplies the properties to augment
* @param {String*} arguments zero or more properties methods to
* augment the receiver with. If none specified, everything
* in the supplier will be used unless it would
* overwrite an existing property in the receiver
*/
YAHOO.augment = L.augmentProto;
/**
* An alias for <a href="YAHOO.lang.html#extend">YAHOO.lang.extend</a>
* @method extend
* @static
* @param {Function} subc the object to modify
* @param {Function} superc the object to inherit
* @param {Object} overrides additional properties/methods to add to the
* subclass prototype. These will override the
* matching items obtained from the superclass if present.
*/
YAHOO.extend = L.extend;
})();
YAHOO.register("yahoo", YAHOO, {version: "2.6.0", build: "1321"});
/**
* Provides a mechanism to fetch remote resources and
* insert them into a document
* @module get
* @requires yahoo
*/
/**
* Fetches and inserts one or more script or link nodes into the document
* @namespace YAHOO.util
* @class YAHOO.util.Get
*/
YAHOO.util.Get = function() {
/**
* hash of queues to manage multiple requests
* @property queues
* @private
*/
var queues={},
/**
* queue index used to generate transaction ids
* @property qidx
* @type int
* @private
*/
qidx=0,
/**
* node index used to generate unique node ids
* @property nidx
* @type int
* @private
*/
nidx=0,
// ridx=0,
// sandboxFrame=null,
/**
* interal property used to prevent multiple simultaneous purge
* processes
* @property purging
* @type boolean
* @private
*/
purging=false,
ua=YAHOO.env.ua,
lang=YAHOO.lang;
/**
* Generates an HTML element, this is not appended to a document
* @method _node
* @param type {string} the type of element
* @param attr {string} the attributes
* @param win {Window} optional window to create the element in
* @return {HTMLElement} the generated node
* @private
*/
var _node = function(type, attr, win) {
var w = win || window, d=w.document, n=d.createElement(type);
for (var i in attr) {
if (attr[i] && YAHOO.lang.hasOwnProperty(attr, i)) {
n.setAttribute(i, attr[i]);
}
}
return n;
};
/**
* Generates a link node
* @method _linkNode
* @param url {string} the url for the css file
* @param win {Window} optional window to create the node in
* @return {HTMLElement} the generated node
* @private
*/
var _linkNode = function(url, win, charset) {
var c = charset || "utf-8";
return _node("link", {
"id": "yui__dyn_" + (nidx++),
"type": "text/css",
"charset": c,
"rel": "stylesheet",
"href": url
}, win);
};
/**
* Generates a script node
* @method _scriptNode
* @param url {string} the url for the script file
* @param win {Window} optional window to create the node in
* @return {HTMLElement} the generated node
* @private
*/
var _scriptNode = function(url, win, charset) {
var c = charset || "utf-8";
return _node("script", {
"id": "yui__dyn_" + (nidx++),
"type": "text/javascript",
"charset": c,
"src": url
}, win);
};
/**
* Returns the data payload for callback functions
* @method _returnData
* @private
*/
var _returnData = function(q, msg) {
return {
tId: q.tId,
win: q.win,
data: q.data,
nodes: q.nodes,
msg: msg,
purge: function() {
_purge(this.tId);
}
};
};
var _get = function(nId, tId) {
var q = queues[tId],
n = (lang.isString(nId)) ? q.win.document.getElementById(nId) : nId;
if (!n) {
_fail(tId, "target node not found: " + nId);
}
return n;
};
/*
* The request failed, execute fail handler with whatever
* was accomplished. There isn't a failure case at the
* moment unless you count aborted transactions
* @method _fail
* @param id {string} the id of the request
* @private
*/
var _fail = function(id, msg) {
var q = queues[id];
// execute failure callback
if (q.onFailure) {
var sc=q.scope || q.win;
q.onFailure.call(sc, _returnData(q, msg));
}
};
/**
* The request is complete, so executing the requester's callback
* @method _finish
* @param id {string} the id of the request
* @private
*/
var _finish = function(id) {
var q = queues[id];
q.finished = true;
if (q.aborted) {
var msg = "transaction " + id + " was aborted";
_fail(id, msg);
return;
}
// execute success callback
if (q.onSuccess) {
var sc=q.scope || q.win;
q.onSuccess.call(sc, _returnData(q));
}
};
/**
* Timeout detected
* @method _timeout
* @param id {string} the id of the request
* @private
*/
var _timeout = function(id) {
var q = queues[id];
if (q.onTimeout) {
var sc=q.context || q;
q.onTimeout.call(sc, _returnData(q));
}
};
/**
* Loads the next item for a given request
* @method _next
* @param id {string} the id of the request
* @param loaded {string} the url that was just loaded, if any
* @private
*/
var _next = function(id, loaded) {
var q = queues[id];
if (q.timer) {
// Y.log('cancel timer');
q.timer.cancel();
}
if (q.aborted) {
var msg = "transaction " + id + " was aborted";
_fail(id, msg);
return;
}
if (loaded) {
q.url.shift();
if (q.varName) {
q.varName.shift();
}
} else {
// This is the first pass: make sure the url is an array
q.url = (lang.isString(q.url)) ? [q.url] : q.url;
if (q.varName) {
q.varName = (lang.isString(q.varName)) ? [q.varName] : q.varName;
}
}
var w=q.win, d=w.document, h=d.getElementsByTagName("head")[0], n;
if (q.url.length === 0) {
// Safari 2.x workaround - There is no way to know when
// a script is ready in versions of Safari prior to 3.x.
// Adding an extra node reduces the problem, but doesn't
// eliminate it completely because the browser executes
// them asynchronously.
if (q.type === "script" && ua.webkit && ua.webkit < 420 &&
!q.finalpass && !q.varName) {
// Add another script node. This does not guarantee that the
// scripts will execute in order, but it does appear to fix the
// problem on fast connections more effectively than using an
// arbitrary timeout. It is possible that the browser does
// block subsequent script execution in this case for a limited
// time.
var extra = _scriptNode(null, q.win, q.charset);
extra.innerHTML='YAHOO.util.Get._finalize("' + id + '");';
q.nodes.push(extra); h.appendChild(extra);
} else {
_finish(id);
}
return;
}
var url = q.url[0];
// if the url is undefined, this is probably a trailing comma problem in IE
if (!url) {
q.url.shift();
return _next(id);
}
if (q.timeout) {
// Y.log('create timer');
q.timer = lang.later(q.timeout, q, _timeout, id);
}
if (q.type === "script") {
n = _scriptNode(url, w, q.charset);
} else {
n = _linkNode(url, w, q.charset);
}
// track this node's load progress
_track(q.type, n, id, url, w, q.url.length);
// add the node to the queue so we can return it to the user supplied callback
q.nodes.push(n);
// add it to the head or insert it before 'insertBefore'
if (q.insertBefore) {
var s = _get(q.insertBefore, id);
if (s) {
s.parentNode.insertBefore(n, s);
}
} else {
h.appendChild(n);
}
// FireFox does not support the onload event for link nodes, so there is
// no way to make the css requests synchronous. This means that the css
// rules in multiple files could be applied out of order in this browser
// if a later request returns before an earlier one. Safari too.
if ((ua.webkit || ua.gecko) && q.type === "css") {
_next(id, url);
}
};
/**
* Removes processed queues and corresponding nodes
* @method _autoPurge
* @private
*/
var _autoPurge = function() {
if (purging) {
return;
}
purging = true;
for (var i in queues) {
var q = queues[i];
if (q.autopurge && q.finished) {
_purge(q.tId);
delete queues[i];
}
}
purging = false;
};
/**
* Removes the nodes for the specified queue
* @method _purge
* @private
*/
var _purge = function(tId) {
var q=queues[tId];
if (q) {
var n=q.nodes, l=n.length, d=q.win.document,
h=d.getElementsByTagName("head")[0];
if (q.insertBefore) {
var s = _get(q.insertBefore, tId);
if (s) {
h = s.parentNode;
}
}
for (var i=0; i<l; i=i+1) {
h.removeChild(n[i]);
}
q.nodes = [];
}
};
/**
* Saves the state for the request and begins loading
* the requested urls
* @method queue
* @param type {string} the type of node to insert
* @param url {string} the url to load
* @param opts the hash of options for this request
* @private
*/
var _queue = function(type, url, opts) {
var id = "q" + (qidx++);
opts = opts || {};
if (qidx % YAHOO.util.Get.PURGE_THRESH === 0) {
_autoPurge();
}
queues[id] = lang.merge(opts, {
tId: id,
type: type,
url: url,
finished: false,
aborted: false,
nodes: []
});
var q = queues[id];
q.win = q.win || window;
q.scope = q.scope || q.win;
q.autopurge = ("autopurge" in q) ? q.autopurge :
(type === "script") ? true : false;
lang.later(0, q, _next, id);
return {
tId: id
};
};
/**
* Detects when a node has been loaded. In the case of
* script nodes, this does not guarantee that contained
* script is ready to use.
* @method _track
* @param type {string} the type of node to track
* @param n {HTMLElement} the node to track
* @param id {string} the id of the request
* @param url {string} the url that is being loaded
* @param win {Window} the targeted window
* @param qlength the number of remaining items in the queue,
* including this one
* @param trackfn {Function} function to execute when finished
* the default is _next
* @private
*/
var _track = function(type, n, id, url, win, qlength, trackfn) {
var f = trackfn || _next;
// IE supports the readystatechange event for script and css nodes
if (ua.ie) {
n.onreadystatechange = function() {
var rs = this.readyState;
if ("loaded" === rs || "complete" === rs) {
n.onreadystatechange = null;
f(id, url);
}
};
// webkit prior to 3.x is problemmatic
} else if (ua.webkit) {
if (type === "script") {
// Safari 3.x supports the load event for script nodes (DOM2)
if (ua.webkit >= 420) {
n.addEventListener("load", function() {
f(id, url);
});
// Nothing can be done with Safari < 3.x except to pause and hope
// for the best, particularly after last script is inserted. The
// scripts will always execute in the order they arrive, not
// necessarily the order in which they were inserted. To support
// script nodes with complete reliability in these browsers, script
// nodes either need to invoke a function in the window once they
// are loaded or the implementer needs to provide a well-known
// property that the utility can poll for.
} else {
// Poll for the existence of the named variable, if it
// was supplied.
var q = queues[id];
if (q.varName) {
var freq=YAHOO.util.Get.POLL_FREQ;
q.maxattempts = YAHOO.util.Get.TIMEOUT/freq;
q.attempts = 0;
q._cache = q.varName[0].split(".");
q.timer = lang.later(freq, q, function(o) {
var a=this._cache, l=a.length, w=this.win, i;
for (i=0; i<l; i=i+1) {
w = w[a[i]];
if (!w) {
// if we have exausted our attempts, give up
this.attempts++;
if (this.attempts++ > this.maxattempts) {
var msg = "Over retry limit, giving up";
q.timer.cancel();
_fail(id, msg);
} else {
}
return;
}
}
q.timer.cancel();
f(id, url);
}, null, true);
} else {
lang.later(YAHOO.util.Get.POLL_FREQ, null, f, [id, url]);
}
}
}
// FireFox and Opera support onload (but not DOM2 in FF) handlers for
// script nodes. Opera, but not FF, supports the onload event for link
// nodes.
} else {
n.onload = function() {
f(id, url);
};
}
};
return {
/**
* The default poll freqency in ms, when needed
* @property POLL_FREQ
* @static
* @type int
* @default 10
*/
POLL_FREQ: 10,
/**
* The number of request required before an automatic purge.
* property PURGE_THRESH
* @static
* @type int
* @default 20
*/
PURGE_THRESH: 20,
/**
* The length time to poll for varName when loading a script in
* Safari 2.x before the transaction fails.
* property TIMEOUT
* @static
* @type int
* @default 2000
*/
TIMEOUT: 2000,
/**
* Called by the the helper for detecting script load in Safari
* @method _finalize
* @param id {string} the transaction id
* @private
*/
_finalize: function(id) {
lang.later(0, null, _finish, id);
},
/**
* Abort a transaction
* @method abort
* @param {string|object} either the tId or the object returned from
* script() or css()
*/
abort: function(o) {
var id = (lang.isString(o)) ? o : o.tId;
var q = queues[id];
if (q) {
q.aborted = true;
}
},
/**
* Fetches and inserts one or more script nodes into the head
* of the current document or the document in a specified window.
*
* @method script
* @static
* @param url {string|string[]} the url or urls to the script(s)
* @param opts {object} Options:
* <dl>
* <dt>onSuccess</dt>
* <dd>
* callback to execute when the script(s) are finished loading
* The callback receives an object back with the following
* data:
* <dl>
* <dt>win</dt>
* <dd>the window the script(s) were inserted into</dd>
* <dt>data</dt>
* <dd>the data object passed in when the request was made</dd>
* <dt>nodes</dt>
* <dd>An array containing references to the nodes that were
* inserted</dd>
* <dt>purge</dt>
* <dd>A function that, when executed, will remove the nodes
* that were inserted</dd>
* <dt>
* </dl>
* </dd>
* <dt>onFailure</dt>
* <dd>
* callback to execute when the script load operation fails
* The callback receives an object back with the following
* data:
* <dl>
* <dt>win</dt>
* <dd>the window the script(s) were inserted into</dd>
* <dt>data</dt>
* <dd>the data object passed in when the request was made</dd>
* <dt>nodes</dt>
* <dd>An array containing references to the nodes that were
* inserted successfully</dd>
* <dt>purge</dt>
* <dd>A function that, when executed, will remove any nodes
* that were inserted</dd>
* <dt>
* </dl>
* </dd>
* <dt>onTimeout</dt>
* <dd>
* callback to execute when a timeout occurs.
* The callback receives an object back with the following
* data:
* <dl>
* <dt>win</dt>
* <dd>the window the script(s) were inserted into</dd>
* <dt>data</dt>
* <dd>the data object passed in when the request was made</dd>
* <dt>nodes</dt>
* <dd>An array containing references to the nodes that were
* inserted</dd>
* <dt>purge</dt>
* <dd>A function that, when executed, will remove the nodes
* that were inserted</dd>
* <dt>
* </dl>
* </dd>
* <dt>scope</dt>
* <dd>the execution context for the callbacks</dd>
* <dt>win</dt>
* <dd>a window other than the one the utility occupies</dd>
* <dt>autopurge</dt>
* <dd>
* setting to true will let the utilities cleanup routine purge
* the script once loaded
* </dd>
* <dt>data</dt>
* <dd>
* data that is supplied to the callback when the script(s) are
* loaded.
* </dd>
* <dt>varName</dt>
* <dd>
* variable that should be available when a script is finished
* loading. Used to help Safari 2.x and below with script load
* detection. The type of this property should match what was
* passed into the url parameter: if loading a single url, a
* string can be supplied. If loading multiple scripts, you
* must supply an array that contains the variable name for
* each script.
* </dd>
* <dt>insertBefore</dt>
* <dd>node or node id that will become the new node's nextSibling</dd>
* </dl>
* <dt>charset</dt>
* <dd>Node charset, default utf-8</dd>
* <dt>timeout</dt>
* <dd>Number of milliseconds to wait before aborting and firing the timeout event</dd>
* <pre>
* // assumes yahoo, dom, and event are already on the page
* &nbsp;&nbsp;YAHOO.util.Get.script(
* &nbsp;&nbsp;["http://yui.yahooapis.com/2.3.1/build/dragdrop/dragdrop-min.js",
* &nbsp;&nbsp;&nbsp;"http://yui.yahooapis.com/2.3.1/build/animation/animation-min.js"], &#123;
* &nbsp;&nbsp;&nbsp;&nbsp;onSuccess: function(o) &#123;
* &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new YAHOO.util.DDProxy("dd1"); // also new o.reference("dd1"); would work
* &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.log("won't cause error because YAHOO is the scope");
* &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.log(o.nodes.length === 2) // true
* &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// o.purge(); // optionally remove the script nodes immediately
* &nbsp;&nbsp;&nbsp;&nbsp;&#125;,
* &nbsp;&nbsp;&nbsp;&nbsp;onFailure: function(o) &#123;
* &nbsp;&nbsp;&nbsp;&nbsp;&#125;,
* &nbsp;&nbsp;&nbsp;&nbsp;data: "foo",
* &nbsp;&nbsp;&nbsp;&nbsp;timeout: 10000, // 10 second timeout
* &nbsp;&nbsp;&nbsp;&nbsp;scope: YAHOO,
* &nbsp;&nbsp;&nbsp;&nbsp;// win: otherframe // target another window/frame
* &nbsp;&nbsp;&nbsp;&nbsp;autopurge: true // allow the utility to choose when to remove the nodes
* &nbsp;&nbsp;&#125;);
* </pre>
* @return {tId: string} an object containing info about the transaction
*/
script: function(url, opts) { return _queue("script", url, opts); },
/**
* Fetches and inserts one or more css link nodes into the
* head of the current document or the document in a specified
* window.
* @method css
* @static
* @param url {string} the url or urls to the css file(s)
* @param opts Options:
* <dl>
* <dt>onSuccess</dt>
* <dd>
* callback to execute when the css file(s) are finished loading
* The callback receives an object back with the following
* data:
* <dl>win</dl>
* <dd>the window the link nodes(s) were inserted into</dd>
* <dt>data</dt>
* <dd>the data object passed in when the request was made</dd>
* <dt>nodes</dt>
* <dd>An array containing references to the nodes that were
* inserted</dd>
* <dt>purge</dt>
* <dd>A function that, when executed, will remove the nodes
* that were inserted</dd>
* <dt>
* </dl>
* </dd>
* <dt>scope</dt>
* <dd>the execution context for the callbacks</dd>
* <dt>win</dt>
* <dd>a window other than the one the utility occupies</dd>
* <dt>data</dt>
* <dd>
* data that is supplied to the callbacks when the nodes(s) are
* loaded.
* </dd>
* <dt>insertBefore</dt>
* <dd>node or node id that will become the new node's nextSibling</dd>
* <dt>charset</dt>
* <dd>Node charset, default utf-8</dd>
* </dl>
* <pre>
* YAHOO.util.Get.css("http://yui.yahooapis.com/2.3.1/build/menu/assets/skins/sam/menu.css");
* </pre>
* <pre>
* YAHOO.util.Get.css(["http://yui.yahooapis.com/2.3.1/build/menu/assets/skins/sam/menu.css",
* </pre>
* @return {tId: string} an object containing info about the transaction
*/
css: function(url, opts) {
return _queue("css", url, opts);
}
};
}();
YAHOO.register("get", YAHOO.util.Get, {version: "2.6.0", build: "1321"});
/**
* Provides dynamic loading for the YUI library. It includes the dependency
* info for the library, and will automatically pull in dependencies for
* the modules requested. It supports rollup files (such as utilities.js
* and yahoo-dom-event.js), and will automatically use these when
* appropriate in order to minimize the number of http connections
* required to load all of the dependencies.
*
* @module yuiloader
* @namespace YAHOO.util
*/
/**
* YUILoader provides dynamic loading for YUI.
* @class YAHOO.util.YUILoader
* @todo
* version management, automatic sandboxing
*/
(function() {
var Y=YAHOO, util=Y.util, lang=Y.lang, env=Y.env,
PROV = "_provides", SUPER = "_supersedes",
REQ = "expanded", AFTER = "_after";
var YUI = {
dupsAllowed: {'yahoo': true, 'get': true},
/*
* The library metadata for the current release The is the default
* value for YAHOO.util.YUILoader.moduleInfo
* @property YUIInfo
* @static
*/
info: {
// 'root': '2.5.2/build/',
// 'base': 'http://yui.yahooapis.com/2.5.2/build/',
'root': '2.6.0/build/',
'base': 'http://yui.yahooapis.com/2.6.0/build/',
'comboBase': 'http://yui.yahooapis.com/combo?',
'skin': {
'defaultSkin': 'sam',
'base': 'assets/skins/',
'path': 'skin.css',
'after': ['reset', 'fonts', 'grids', 'base'],
'rollup': 3
},
dupsAllowed: ['yahoo', 'get'],
'moduleInfo': {
'animation': {
'type': 'js',
'path': 'animation/animation-min.js',
'requires': ['dom', 'event']
},
'autocomplete': {
'type': 'js',
'path': 'autocomplete/autocomplete-min.js',
'requires': ['dom', 'event', 'datasource'],
'optional': ['connection', 'animation'],
'skinnable': true
},
'base': {
'type': 'css',
'path': 'base/base-min.css',
'after': ['reset', 'fonts', 'grids']
},
'button': {
'type': 'js',
'path': 'button/button-min.js',
'requires': ['element'],
'optional': ['menu'],
'skinnable': true
},
'calendar': {
'type': 'js',
'path': 'calendar/calendar-min.js',
'requires': ['event', 'dom'],
'skinnable': true
},
'carousel': {
'type': 'js',
'path': 'carousel/carousel-beta-min.js',
'requires': ['element'],
'optional': ['animation'],
'skinnable': true
},
'charts': {
'type': 'js',
'path': 'charts/charts-experimental-min.js',
'requires': ['element', 'json', 'datasource']
},
'colorpicker': {
'type': 'js',
'path': 'colorpicker/colorpicker-min.js',
'requires': ['slider', 'element'],
'optional': ['animation'],
'skinnable': true
},
'connection': {
'type': 'js',
'path': 'connection/connection-min.js',
'requires': ['event']
},
'container': {
'type': 'js',
'path': 'container/container-min.js',
'requires': ['dom', 'event'],
// button is also optional, but this creates a circular
// dependency when loadOptional is specified. button
// optionally includes menu, menu requires container.
'optional': ['dragdrop', 'animation', 'connection'],
'supersedes': ['containercore'],
'skinnable': true
},
'containercore': {
'type': 'js',
'path': 'container/container_core-min.js',
'requires': ['dom', 'event'],
'pkg': 'container'
},
'cookie': {
'type': 'js',
'path': 'cookie/cookie-min.js',
'requires': ['yahoo']
},
'datasource': {
'type': 'js',
'path': 'datasource/datasource-min.js',
'requires': ['event'],
'optional': ['connection']
},
'datatable': {
'type': 'js',
'path': 'datatable/datatable-min.js',
'requires': ['element', 'datasource'],
'optional': ['calendar', 'dragdrop', 'paginator'],
'skinnable': true
},
'dom': {
'type': 'js',
'path': 'dom/dom-min.js',
'requires': ['yahoo']
},
'dragdrop': {
'type': 'js',
'path': 'dragdrop/dragdrop-min.js',
'requires': ['dom', 'event']
},
'editor': {
'type': 'js',
'path': 'editor/editor-min.js',
'requires': ['menu', 'element', 'button'],
'optional': ['animation', 'dragdrop'],
'supersedes': ['simpleeditor'],
'skinnable': true
},
'element': {
'type': 'js',
'path': 'element/element-beta-min.js',
'requires': ['dom', 'event']
},
'event': {
'type': 'js',
'path': 'event/event-min.js',
'requires': ['yahoo']
},
'fonts': {
'type': 'css',
'path': 'fonts/fonts-min.css'
},
'get': {
'type': 'js',
'path': 'get/get-min.js',
'requires': ['yahoo']
},
'grids': {
'type': 'css',
'path': 'grids/grids-min.css',
'requires': ['fonts'],
'optional': ['reset']
},
'history': {
'type': 'js',
'path': 'history/history-min.js',
'requires': ['event']
},
'imagecropper': {
'type': 'js',
'path': 'imagecropper/imagecropper-beta-min.js',
'requires': ['dom', 'event', 'dragdrop', 'element', 'resize'],
'skinnable': true
},
'imageloader': {
'type': 'js',
'path': 'imageloader/imageloader-min.js',
'requires': ['event', 'dom']
},
'json': {
'type': 'js',
'path': 'json/json-min.js',
'requires': ['yahoo']
},
'layout': {
'type': 'js',
'path': 'layout/layout-min.js',
'requires': ['dom', 'event', 'element'],
'optional': ['animation', 'dragdrop', 'resize', 'selector'],
'skinnable': true
},
'logger': {
'type': 'js',
'path': 'logger/logger-min.js',
'requires': ['event', 'dom'],
'optional': ['dragdrop'],
'skinnable': true
},
'menu': {
'type': 'js',
'path': 'menu/menu-min.js',
'requires': ['containercore'],
'skinnable': true
},
'paginator': {
'type': 'js',
'path': 'paginator/paginator-min.js',
'requires': ['element'],
'skinnable': true
},
'profiler': {
'type': 'js',
'path': 'profiler/profiler-min.js',
'requires': ['yahoo']
},
'profilerviewer': {
'type': 'js',
'path': 'profilerviewer/profilerviewer-beta-min.js',
'requires': ['profiler', 'yuiloader', 'element'],
'skinnable': true
},
'reset': {
'type': 'css',
'path': 'reset/reset-min.css'
},
'reset-fonts-grids': {
'type': 'css',
'path': 'reset-fonts-grids/reset-fonts-grids.css',
'supersedes': ['reset', 'fonts', 'grids', 'reset-fonts'],
'rollup': 4
},
'reset-fonts': {
'type': 'css',
'path': 'reset-fonts/reset-fonts.css',
'supersedes': ['reset', 'fonts'],
'rollup': 2
},
'resize': {
'type': 'js',
'path': 'resize/resize-min.js',
'requires': ['dom', 'event', 'dragdrop', 'element'],
'optional': ['animation'],
'skinnable': true
},
'selector': {
'type': 'js',
'path': 'selector/selector-beta-min.js',
'requires': ['yahoo', 'dom']
},
'simpleeditor': {
'type': 'js',
'path': 'editor/simpleeditor-min.js',
'requires': ['element'],
'optional': ['containercore', 'menu', 'button', 'animation', 'dragdrop'],
'skinnable': true,
'pkg': 'editor'
},
'slider': {
'type': 'js',
'path': 'slider/slider-min.js',
'requires': ['dragdrop'],
'optional': ['animation'],
'skinnable': true
},
'tabview': {
'type': 'js',
'path': 'tabview/tabview-min.js',
'requires': ['element'],
'optional': ['connection'],
'skinnable': true
},
'treeview': {
'type': 'js',
'path': 'treeview/treeview-min.js',
'requires': ['event', 'dom'],
'skinnable': true
},
'uploader': {
'type': 'js',
'path': 'uploader/uploader-experimental.js',
'requires': ['element']
},
'utilities': {
'type': 'js',
'path': 'utilities/utilities.js',
'supersedes': ['yahoo', 'event', 'dragdrop', 'animation', 'dom', 'connection', 'element', 'yahoo-dom-event', 'get', 'yuiloader', 'yuiloader-dom-event'],
'rollup': 8
},
'yahoo': {
'type': 'js',
'path': 'yahoo/yahoo-min.js'
},
'yahoo-dom-event': {
'type': 'js',
'path': 'yahoo-dom-event/yahoo-dom-event.js',
'supersedes': ['yahoo', 'event', 'dom'],
'rollup': 3
},
'yuiloader': {
'type': 'js',
'path': 'yuiloader/yuiloader-min.js',
'supersedes': ['yahoo', 'get']
},
'yuiloader-dom-event': {
'type': 'js',
'path': 'yuiloader-dom-event/yuiloader-dom-event.js',
'supersedes': ['yahoo', 'dom', 'event', 'get', 'yuiloader', 'yahoo-dom-event'],
'rollup': 5
},
'yuitest': {
'type': 'js',
'path': 'yuitest/yuitest-min.js',
'requires': ['logger'],
'skinnable': true
}
}
}
,
ObjectUtil: {
appendArray: function(o, a) {
if (a) {
for (var i=0; i<a.length; i=i+1) {
o[a[i]] = true;
}
}
},
keys: function(o, ordered) {
var a=[], i;
for (i in o) {
if (lang.hasOwnProperty(o, i)) {
a.push(i);
}
}
return a;
}
},
ArrayUtil: {
appendArray: function(a1, a2) {
Array.prototype.push.apply(a1, a2);
/*
for (var i=0; i<a2.length; i=i+1) {
a1.push(a2[i]);
}
*/
},
indexOf: function(a, val) {
for (var i=0; i<a.length; i=i+1) {
if (a[i] === val) {
return i;
}
}
return -1;
},
toObject: function(a) {
var o = {};
for (var i=0; i<a.length; i=i+1) {
o[a[i]] = true;
}
return o;
},
/*
* Returns a unique array. Does not maintain order, which is fine
* for this application, and performs better than it would if it
* did.
*/
uniq: function(a) {
return YUI.ObjectUtil.keys(YUI.ArrayUtil.toObject(a));
}
}
};
YAHOO.util.YUILoader = function(o) {
/**
* Internal callback to handle multiple internal insert() calls
* so that css is inserted prior to js
* @property _internalCallback
* @private
*/
this._internalCallback = null;
/**
* Use the YAHOO environment listener to detect script load. This
* is only switched on for Safari 2.x and below.
* @property _useYahooListener
* @private
*/
this._useYahooListener = false;
/**
* Callback that will be executed when the loader is finished
* with an insert
* @method onSuccess
* @type function
*/
this.onSuccess = null;
/**
* Callback that will be executed if there is a failure
* @method onFailure
* @type function
*/
this.onFailure = Y.log;
/**
* Callback that will be executed each time a new module is loaded
* @method onProgress
* @type function
*/
this.onProgress = null;
/**
* Callback that will be executed if a timeout occurs
* @method onTimeout
* @type function
*/
this.onTimeout = null;
/**
* The execution scope for all callbacks
* @property scope
* @default this
*/
this.scope = this;
/**
* Data that is passed to all callbacks
* @property data
*/
this.data = null;
/**
* Node reference or id where new nodes should be inserted before
* @property insertBefore
* @type string|HTMLElement
*/
this.insertBefore = null;
/**
* The charset attribute for inserted nodes
* @property charset
* @type string
* @default utf-8
*/
this.charset = null;
/**
* The name of the variable in a sandbox or script node
* (for external script support in Safari 2.x and earlier)
* to reference when the load is complete. If this variable
* is not available in the specified scripts, the operation will
* fail.
* @property varName
* @type string
*/
this.varName = null;
/**
* The base directory.
* @property base
* @type string
* @default http://yui.yahooapis.com/[YUI VERSION]/build/
*/
this.base = YUI.info.base;
/**
* Base path for the combo service
* @property comboBase
* @type string
* @default http://yui.yahooapis.com/combo?
*/
this.comboBase = YUI.info.comboBase;
/**
* If configured, YUI will use the the combo handler on the
* Yahoo! CDN to pontentially reduce the number of http requests
* required.
* @property combine
* @type boolean
* @default false
*/
// this.combine = (o && !('base' in o));
this.combine = false;
/**
* Root path to prepend to module path for the combo
* service
* @property root
* @type string
* @default [YUI VERSION]/build/
*/
this.root = YUI.info.root;
/**
* Timeout value in milliseconds. If set, this value will be used by
* the get utility. the timeout event will fire if
* a timeout occurs.
* @property timeout
* @type int
*/
this.timeout = 0;
/**
* A list of modules that should not be loaded, even if
* they turn up in the dependency tree
* @property ignore
* @type string[]
*/
this.ignore = null;
/**
* A list of modules that should always be loaded, even
* if they have already been inserted into the page.
* @property force
* @type string[]
*/
this.force = null;
/**
* Should we allow rollups
* @property allowRollup
* @type boolean
* @default true
*/
this.allowRollup = true;
/**
* A filter to apply to result urls. This filter will modify the default
* path for all modules. The default path for the YUI library is the
* minified version of the files (e.g., event-min.js). The filter property
* can be a predefined filter or a custom filter. The valid predefined
* filters are:
* <dl>
* <dt>DEBUG</dt>
* <dd>Selects the debug versions of the library (e.g., event-debug.js).
* This option will automatically include the logger widget</dd>
* <dt>RAW</dt>
* <dd>Selects the non-minified version of the library (e.g., event.js).
* </dl>
* You can also define a custom filter, which must be an object literal
* containing a search expression and a replace string:
* <pre>
* myFilter: &#123;
* 'searchExp': "-min\\.js",
* 'replaceStr': "-debug.js"
* &#125;
* </pre>
* @property filter
* @type string|{searchExp: string, replaceStr: string}
*/
this.filter = null;
/**
* The list of requested modules
* @property required
* @type {string: boolean}
*/
this.required = {};
/**
* The library metadata
* @property moduleInfo
*/
this.moduleInfo = lang.merge(YUI.info.moduleInfo);
/**
* List of rollup files found in the library metadata
* @property rollups
*/
this.rollups = null;
/**
* Whether or not to load optional dependencies for
* the requested modules
* @property loadOptional
* @type boolean
* @default false
*/
this.loadOptional = false;
/**
* All of the derived dependencies in sorted order, which
* will be populated when either calculate() or insert()
* is called
* @property sorted
* @type string[]
*/
this.sorted = [];
/**
* Set when beginning to compute the dependency tree.
* Composed of what YAHOO reports to be loaded combined
* with what has been loaded by the tool
* @propery loaded
* @type {string: boolean}
*/
this.loaded = {};
/**
* Flag to indicate the dependency tree needs to be recomputed
* if insert is called again.
* @property dirty
* @type boolean
* @default true
*/
this.dirty = true;
/**
* List of modules inserted by the utility
* @property inserted
* @type {string: boolean}
*/
this.inserted = {};
/**
* Provides the information used to skin the skinnable components.
* The following skin definition would result in 'skin1' and 'skin2'
* being loaded for calendar (if calendar was requested), and
* 'sam' for all other skinnable components:
*
* <code>
* skin: {
*
* // The default skin, which is automatically applied if not
* // overriden by a component-specific skin definition.
* // Change this in to apply a different skin globally
* defaultSkin: 'sam',
*
* // This is combined with the loader base property to get
* // the default root directory for a skin. ex:
* // http://yui.yahooapis.com/2.3.0/build/assets/skins/sam/
* base: 'assets/skins/',
*
* // The name of the rollup css file for the skin
* path: 'skin.css',
*
* // The number of skinnable components requested that are
* // required before using the rollup file rather than the
* // individual component css files
* rollup: 3,
*
* // Any component-specific overrides can be specified here,
* // making it possible to load different skins for different
* // components. It is possible to load more than one skin
* // for a given component as well.
* overrides: {
* calendar: ['skin1', 'skin2']
* }
* }
* </code>
* @property skin
*/
var self = this;
env.listeners.push(function(m) {
if (self._useYahooListener) {
//Y.log("YAHOO listener: " + m.name);
self.loadNext(m.name);
}
});
this.skin = lang.merge(YUI.info.skin);
this._config(o);
};
Y.util.YUILoader.prototype = {
FILTERS: {
RAW: {
'searchExp': "-min\\.js",
'replaceStr': ".js"
},
DEBUG: {
'searchExp': "-min\\.js",
'replaceStr': "-debug.js"
}
},
SKIN_PREFIX: "skin-",
_config: function(o) {
// apply config values
if (o) {
for (var i in o) {
if (lang.hasOwnProperty(o, i)) {
if (i == "require") {
this.require(o[i]);
} else {
this[i] = o[i];
}
}
}
}
// fix filter
var f = this.filter;
if (lang.isString(f)) {
f = f.toUpperCase();
// the logger must be available in order to use the debug
// versions of the library
if (f === "DEBUG") {
this.require("logger");
}
// hack to handle a a bug where LogWriter is being instantiated
// at load time, and the loader has no way to sort above it
// at the moment.
if (!Y.widget.LogWriter) {
Y.widget.LogWriter = function() {
return Y;
};
}
this.filter = this.FILTERS[f];
}
},
/** Add a new module to the component metadata.
* <dl>
* <dt>name:</dt> <dd>required, the component name</dd>
* <dt>type:</dt> <dd>required, the component type (js or css)</dd>
* <dt>path:</dt> <dd>required, the path to the script from "base"</dd>
* <dt>requires:</dt> <dd>array of modules required by this component</dd>
* <dt>optional:</dt> <dd>array of optional modules for this component</dd>
* <dt>supersedes:</dt> <dd>array of the modules this component replaces</dd>
* <dt>after:</dt> <dd>array of modules the components which, if present, should be sorted above this one</dd>
* <dt>rollup:</dt> <dd>the number of superseded modules required for automatic rollup</dd>
* <dt>fullpath:</dt> <dd>If fullpath is specified, this is used instead of the configured base + path</dd>
* <dt>skinnable:</dt> <dd>flag to determine if skin assets should automatically be pulled in</dd>
* </dl>
* @method addModule
* @param o An object containing the module data
* @return {boolean} true if the module was added, false if
* the object passed in did not provide all required attributes
*/
addModule: function(o) {
if (!o || !o.name || !o.type || (!o.path && !o.fullpath)) {
return false;
}
o.ext = ('ext' in o) ? o.ext : true;
o.requires = o.requires || [];
this.moduleInfo[o.name] = o;
this.dirty = true;
return true;
},
/**
* Add a requirement for one or more module
* @method require
* @param what {string[] | string*} the modules to load
*/
require: function(what) {
var a = (typeof what === "string") ? arguments : what;
this.dirty = true;
YUI.ObjectUtil.appendArray(this.required, a);
},
/**
* Adds the skin def to the module info
* @method _addSkin
* @param skin {string} the name of the skin
* @param mod {string} the name of the module
* @return {string} the module name for the skin
* @private
*/
_addSkin: function(skin, mod) {
// Add a module definition for the skin rollup css
var name = this.formatSkin(skin), info = this.moduleInfo,
sinf = this.skin, ext = info[mod] && info[mod].ext;
// Y.log('ext? ' + mod + ": " + ext);
if (!info[name]) {
// Y.log('adding skin ' + name);
this.addModule({
'name': name,
'type': 'css',
'path': sinf.base + skin + '/' + sinf.path,
//'supersedes': '*',
'after': sinf.after,
'rollup': sinf.rollup,
'ext': ext
});
}
// Add a module definition for the module-specific skin css
if (mod) {
name = this.formatSkin(skin, mod);
if (!info[name]) {
var mdef = info[mod], pkg = mdef.pkg || mod;
// Y.log('adding skin ' + name);
this.addModule({
'name': name,
'type': 'css',
'after': sinf.after,
'path': pkg + '/' + sinf.base + skin + '/' + mod + '.css',
'ext': ext
});
}
}
return name;
},
/**
* Returns an object containing properties for all modules required
* in order to load the requested module
* @method getRequires
* @param mod The module definition from moduleInfo
*/
getRequires: function(mod) {
if (!mod) {
return [];
}
if (!this.dirty && mod.expanded) {
return mod.expanded;
}
mod.requires=mod.requires || [];
var i, d=[], r=mod.requires, o=mod.optional, info=this.moduleInfo, m;
for (i=0; i<r.length; i=i+1) {
d.push(r[i]);
m = info[r[i]];
YUI.ArrayUtil.appendArray(d, this.getRequires(m));
// add existing skins for skinnable modules as well. The only
// way to do this is go through the list of required items (this
// assumes that _skin is called before getRequires is called on
// the module.
// if (m.skinnable) {
// var req=this.required, l=req.length;
// for (var j=0; j<l; j=j+1) {
// // YAHOO.log('checking ' + r[j]);
// if (req[j].indexOf(r[j]) > -1) {
// // YAHOO.log('adding ' + r[j]);
// d.push(req[j]);
// }
// }
// }
}
if (o && this.loadOptional) {
for (i=0; i<o.length; i=i+1) {
d.push(o[i]);
YUI.ArrayUtil.appendArray(d, this.getRequires(info[o[i]]));
}
}
mod.expanded = YUI.ArrayUtil.uniq(d);
return mod.expanded;
},
/**
* Returns an object literal of the modules the supplied module satisfies
* @method getProvides
* @param name{string} The name of the module
* @param notMe {string} don't add this module name, only include superseded modules
* @return what this module provides
*/
getProvides: function(name, notMe) {
var addMe = !(notMe), ckey = (addMe) ? PROV : SUPER,
m = this.moduleInfo[name], o = {};
if (!m) {
return o;
}
if (m[ckey]) {
// Y.log('cached: ' + name + ' ' + ckey + ' ' + lang.dump(this.moduleInfo[name][ckey], 0));
return m[ckey];
}
var s = m.supersedes, done={}, me = this;
// use worker to break cycles
var add = function(mm) {
if (!done[mm]) {
// Y.log(name + ' provides worker trying: ' + mm);
done[mm] = true;
// we always want the return value normal behavior
// (provides) for superseded modules.
lang.augmentObject(o, me.getProvides(mm));
}
// else {
// Y.log(name + ' provides worker skipping done: ' + mm);
// }
};
// calculate superseded modules
if (s) {
for (var i=0; i<s.length; i=i+1) {
add(s[i]);
}
}
// supersedes cache
m[SUPER] = o;
// provides cache
m[PROV] = lang.merge(o);
m[PROV][name] = true;
// Y.log(name + " supersedes " + lang.dump(m[SUPER], 0));
// Y.log(name + " provides " + lang.dump(m[PROV], 0));
return m[ckey];
},
/**
* Calculates the dependency tree, the result is stored in the sorted
* property
* @method calculate
* @param o optional options object
*/
calculate: function(o) {
if (o || this.dirty) {
this._config(o);
this._setup();
this._explode();
// this._skin(); // deprecated
if (this.allowRollup) {
this._rollup();
}
this._reduce();
this._sort();
// Y.log("after calculate: " + lang.dump(this.required));
this.dirty = false;
}
},
/**
* Investigates the current YUI configuration on the page. By default,
* modules already detected will not be loaded again unless a force
* option is encountered. Called by calculate()
* @method _setup
* @private
*/
_setup: function() {
var info = this.moduleInfo, name, i, j;
// Create skin modules
for (name in info) {
if (lang.hasOwnProperty(info, name)) {
var m = info[name];
if (m && m.skinnable) {
// Y.log("skinning: " + name);
var o=this.skin.overrides, smod;
if (o && o[name]) {
for (i=0; i<o[name].length; i=i+1) {
smod = this._addSkin(o[name][i], name);
}
} else {
smod = this._addSkin(this.skin.defaultSkin, name);
}
m.requires.push(smod);
}
}
}
var l = lang.merge(this.inserted); // shallow clone
if (!this._sandbox) {
l = lang.merge(l, env.modules);
}
// Y.log("Already loaded stuff: " + lang.dump(l, 0));
// add the ignore list to the list of loaded packages
if (this.ignore) {
YUI.ObjectUtil.appendArray(l, this.ignore);
}
// remove modules on the force list from the loaded list
if (this.force) {
for (i=0; i<this.force.length; i=i+1) {
if (this.force[i] in l) {
delete l[this.force[i]];
}
}
}
// expand the list to include superseded modules
for (j in l) {
// Y.log("expanding: " + j);
if (lang.hasOwnProperty(l, j)) {
lang.augmentObject(l, this.getProvides(j));
}
}
// Y.log("loaded expanded: " + lang.dump(l, 0));
this.loaded = l;
},
/**
* Inspects the required modules list looking for additional
* dependencies. Expands the required list to include all
* required modules. Called by calculate()
* @method _explode
* @private
*/
_explode: function() {
var r=this.required, i, mod;
for (i in r) {
if (lang.hasOwnProperty(r, i)) {
mod = this.moduleInfo[i];
if (mod) {
var req = this.getRequires(mod);
if (req) {
YUI.ObjectUtil.appendArray(r, req);
}
}
}
}
},
/**
* Sets up the requirements for the skin assets if any of the
* requested modules are skinnable
* @method _skin
* @private
* @deprecated skin modules are generated for all skinnable
* components during _setup(), and the components
* are configured to require the skin.
*/
_skin: function() {
},
/**
* Returns the skin module name for the specified skin name. If a
* module name is supplied, the returned skin module name is
* specific to the module passed in.
* @method formatSkin
* @param skin {string} the name of the skin
* @param mod {string} optional: the name of a module to skin
* @return {string} the full skin module name
*/
formatSkin: function(skin, mod) {
var s = this.SKIN_PREFIX + skin;
if (mod) {
s = s + "-" + mod;
}
return s;
},
/**
* Reverses <code>formatSkin</code>, providing the skin name and
* module name if the string matches the pattern for skins.
* @method parseSkin
* @param mod {string} the module name to parse
* @return {skin: string, module: string} the parsed skin name
* and module name, or null if the supplied string does not match
* the skin pattern
*/
parseSkin: function(mod) {
if (mod.indexOf(this.SKIN_PREFIX) === 0) {
var a = mod.split("-");
return {skin: a[1], module: a[2]};
}
return null;
},
/**
* Look for rollup packages to determine if all of the modules a
* rollup supersedes are required. If so, include the rollup to
* help reduce the total number of connections required. Called
* by calculate()
* @method _rollup
* @private
*/
_rollup: function() {
var i, j, m, s, rollups={}, r=this.required, roll,
info = this.moduleInfo;
// find and cache rollup modules
if (this.dirty || !this.rollups) {
for (i in info) {
if (lang.hasOwnProperty(info, i)) {
m = info[i];
//if (m && m.rollup && m.supersedes) {
if (m && m.rollup) {
rollups[i] = m;
}
}
}
this.rollups = rollups;
}
// make as many passes as needed to pick up rollup rollups
for (;;) {
var rolled = false;
// go through the rollup candidates
for (i in rollups) {
// there can be only one
if (!r[i] && !this.loaded[i]) {
m =info[i]; s = m.supersedes; roll=false;
if (!m.rollup) {
continue;
}
var skin = (m.ext) ? false : this.parseSkin(i), c = 0;
// Y.log('skin? ' + i + ": " + skin);
if (skin) {
for (j in r) {
if (lang.hasOwnProperty(r, j)) {
if (i !== j && this.parseSkin(j)) {
c++;
roll = (c >= m.rollup);
if (roll) {
// Y.log("skin rollup " + lang.dump(r));
break;
}
}
}
}
} else {
// check the threshold
for (j=0;j<s.length;j=j+1) {
// if the superseded module is loaded, we can't load the rollup
if (this.loaded[s[j]] && (!YUI.dupsAllowed[s[j]])) {
roll = false;
break;
// increment the counter if this module is required. if we are
// beyond the rollup threshold, we will use the rollup module
} else if (r[s[j]]) {
c++;
roll = (c >= m.rollup);
if (roll) {
// Y.log("over thresh " + c + ", " + lang.dump(r));
break;
}
}
}
}
if (roll) {
// Y.log("rollup: " + i + ", " + lang.dump(this, 1));
// add the rollup
r[i] = true;
rolled = true;
// expand the rollup's dependencies
this.getRequires(m);
}
}
}
// if we made it here w/o rolling up something, we are done
if (!rolled) {
break;
}
}
},
/**
* Remove superceded modules and loaded modules. Called by
* calculate() after we have the mega list of all dependencies
* @method _reduce
* @private
*/
_reduce: function() {
var i, j, s, m, r=this.required;
for (i in r) {
// remove if already loaded
if (i in this.loaded) {
delete r[i];
// remove anything this module supersedes
} else {
var skinDef = this.parseSkin(i);
if (skinDef) {
//YAHOO.log("skin found in reduce: " + skinDef.skin + ", " + skinDef.module);
// the skin rollup will not have a module name
if (!skinDef.module) {
var skin_pre = this.SKIN_PREFIX + skinDef.skin;
//YAHOO.log("skin_pre: " + skin_pre);
for (j in r) {
if (lang.hasOwnProperty(r, j)) {
m = this.moduleInfo[j];
var ext = m && m.ext;
if (!ext && j !== i && j.indexOf(skin_pre) > -1) {
// Y.log ("removing component skin: " + j);
delete r[j];
}
}
}
}
} else {
m = this.moduleInfo[i];
s = m && m.supersedes;
if (s) {
for (j=0; j<s.length; j=j+1) {
if (s[j] in r) {
delete r[s[j]];
}
}
}
}
}
}
},
_onFailure: function(msg) {
YAHOO.log('Failure', 'info', 'loader');
var f = this.onFailure;
if (f) {
f.call(this.scope, {
msg: 'failure: ' + msg,
data: this.data,
success: false
});
}
},
_onTimeout: function() {
YAHOO.log('Timeout', 'info', 'loader');
var f = this.onTimeout;
if (f) {
f.call(this.scope, {
msg: 'timeout',
data: this.data,
success: false
});
}
},
/**
* Sorts the dependency tree. The last step of calculate()
* @method _sort
* @private
*/
_sort: function() {
// create an indexed list
var s=[], info=this.moduleInfo, loaded=this.loaded,
checkOptional=!this.loadOptional, me = this;
// returns true if b is not loaded, and is required
// directly or by means of modules it supersedes.
var requires = function(aa, bb) {
var mm=info[aa];
if (loaded[bb] || !mm) {
return false;
}
var ii,
rr = mm.expanded,
after = mm.after,
other = info[bb],
optional = mm.optional;
// check if this module requires the other directly
if (rr && YUI.ArrayUtil.indexOf(rr, bb) > -1) {
return true;
}
// check if this module should be sorted after the other
if (after && YUI.ArrayUtil.indexOf(after, bb) > -1) {
return true;
}
// if loadOptional is not specified, optional dependencies still
// must be sorted correctly when present.
if (checkOptional && optional && YUI.ArrayUtil.indexOf(optional, bb) > -1) {
return true;
}
// check if this module requires one the other supersedes
var ss=info[bb] && info[bb].supersedes;
if (ss) {
for (ii=0; ii<ss.length; ii=ii+1) {
if (requires(aa, ss[ii])) {
return true;
}
}
}
// var ss=me.getProvides(bb, true);
// if (ss) {
// for (ii in ss) {
// if (requires(aa, ii)) {
// return true;
// }
// }
// }
// external css files should be sorted below yui css
if (mm.ext && mm.type == 'css' && !other.ext && other.type == 'css') {
return true;
}
return false;
};
// get the required items out of the obj into an array so we
// can sort
for (var i in this.required) {
if (lang.hasOwnProperty(this.required, i)) {
s.push(i);
}
}
// pointer to the first unsorted item
var p=0;
// keep going until we make a pass without moving anything
for (;;) {
var l=s.length, a, b, j, k, moved=false;
// start the loop after items that are already sorted
for (j=p; j<l; j=j+1) {
// check the next module on the list to see if its
// dependencies have been met
a = s[j];
// check everything below current item and move if we
// find a requirement for the current item
for (k=j+1; k<l; k=k+1) {
if (requires(a, s[k])) {
// extract the dependency so we can move it up
b = s.splice(k, 1);
// insert the dependency above the item that
// requires it
s.splice(j, 0, b[0]);
moved = true;
break;
}
}
// jump out of loop if we moved something
if (moved) {
break;
// this item is sorted, move our pointer and keep going
} else {
p = p + 1;
}
}
// when we make it here and moved is false, we are
// finished sorting
if (!moved) {
break;
}
}
this.sorted = s;
},
toString: function() {
var o = {
type: "YUILoader",
base: this.base,
filter: this.filter,
required: this.required,
loaded: this.loaded,
inserted: this.inserted
};
lang.dump(o, 1);
},
_combine: function() {
this._combining = [];
var self = this,
s=this.sorted,
len = s.length,
js = this.comboBase,
css = this.comboBase,
target,
startLen = js.length,
i, m, type = this.loadType;
YAHOO.log('type ' + type);
for (i=0; i<len; i=i+1) {
m = this.moduleInfo[s[i]];
if (m && !m.ext && (!type || type === m.type)) {
target = this.root + m.path;
// if (i < len-1) {
target += '&';
// }
if (m.type == 'js') {
js += target;
} else {
css += target;
}
// YAHOO.log(target);
this._combining.push(s[i]);
}
}
if (this._combining.length) {
YAHOO.log('Attempting to combine: ' + this._combining, "info", "loader");
var callback=function(o) {
// YAHOO.log('Combo complete: ' + o.data, "info", "loader");
// this._combineComplete = true;
var c=this._combining, len=c.length, i, m;
for (i=0; i<len; i=i+1) {
this.inserted[c[i]] = true;
}
this.loadNext(o.data);
},
loadScript = function() {
// YAHOO.log('combining js: ' + js);
if (js.length > startLen) {
YAHOO.util.Get.script(self._filter(js), {
data: self._loading,
onSuccess: callback,
onFailure: self._onFailure,
onTimeout: self._onTimeout,
insertBefore: self.insertBefore,
charset: self.charset,
timeout: self.timeout,
scope: self
});
}
};
// load the css first
// YAHOO.log('combining css: ' + css);
if (css.length > startLen) {
YAHOO.util.Get.css(this._filter(css), {
data: this._loading,
onSuccess: loadScript,
onFailure: this._onFailure,
onTimeout: this._onTimeout,
insertBefore: this.insertBefore,
charset: this.charset,
timeout: this.timeout,
scope: self
});
} else {
loadScript();
}
return;
} else {
// this._combineComplete = true;
this.loadNext(this._loading);
}
},
/**
* inserts the requested modules and their dependencies.
* <code>type</code> can be "js" or "css". Both script and
* css are inserted if type is not provided.
* @method insert
* @param o optional options object
* @param type {string} the type of dependency to insert
*/
insert: function(o, type) {
// if (o) {
// Y.log("insert: " + lang.dump(o, 1) + ", " + type);
// } else {
// Y.log("insert: " + this.toString() + ", " + type);
// }
// build the dependency list
this.calculate(o);
// set a flag to indicate the load has started
this._loading = true;
// flag to indicate we are done with the combo service
// and any additional files will need to be loaded
// individually
// this._combineComplete = false;
// keep the loadType (js, css or undefined) cached
this.loadType = type;
if (this.combine) {
return this._combine();
}
if (!type) {
// Y.log("trying to load css first");
var self = this;
this._internalCallback = function() {
self._internalCallback = null;
self.insert(null, "js");
};
this.insert(null, "css");
return;
}
// start the load
this.loadNext();
},
/**
* Interns the script for the requested modules. The callback is
* provided a reference to the sandboxed YAHOO object. This only
* applies to the script: css can not be sandboxed; css will be
* loaded into the page normally if specified.
* @method sandbox
* @param callback {Function} the callback to exectued when the load is
* complete.
*/
sandbox: function(o, type) {
// if (o) {
// YAHOO.log("sandbox: " + lang.dump(o, 1) + ", " + type);
// } else {
// YAHOO.log("sandbox: " + this.toString() + ", " + type);
// }
this._config(o);
if (!this.onSuccess) {
throw new Error("You must supply an onSuccess handler for your sandbox");
}
this._sandbox = true;
var self = this;
// take care of any css first (this can't be sandboxed)
if (!type || type !== "js") {
this._internalCallback = function() {
self._internalCallback = null;
self.sandbox(null, "js");
};
this.insert(null, "css");
return;
}
// get the connection manager if not on the page
if (!util.Connect) {
// get a new loader instance to load connection.
var ld = new YAHOO.util.YUILoader();
ld.insert({
base: this.base,
filter: this.filter,
require: "connection",
insertBefore: this.insertBefore,
charset: this.charset,
onSuccess: function() {
this.sandbox(null, "js");
},
scope: this
}, "js");
return;
}
this._scriptText = [];
this._loadCount = 0;
this._stopCount = this.sorted.length;
this._xhr = [];
this.calculate();
var s=this.sorted, l=s.length, i, m, url;
for (i=0; i<l; i=i+1) {
m = this.moduleInfo[s[i]];
// undefined modules cause a failure
if (!m) {
this._onFailure("undefined module " + m);
for (var j=0;j<this._xhr.length;j=j+1) {
this._xhr[j].abort();
}
return;
}
// css files should be done
if (m.type !== "js") {
this._loadCount++;
continue;
}
url = m.fullpath;
url = (url) ? this._filter(url) : this._url(m.path);
// YAHOO.log("xhr request: " + url + ", " + i);
var xhrData = {
success: function(o) {
var idx=o.argument[0], name=o.argument[2];
// store the response in the position it was requested
this._scriptText[idx] = o.responseText;
// YAHOO.log("received: " + o.responseText.substr(0, 100) + ", " + idx);
if (this.onProgress) {
this.onProgress.call(this.scope, {
name: name,
scriptText: o.responseText,
xhrResponse: o,
data: this.data
});
}
// only generate the sandbox once everything is loaded
this._loadCount++;
if (this._loadCount >= this._stopCount) {
// the variable to find
var v = this.varName || "YAHOO";
// wrap the contents of the requested modules in an anonymous function
var t = "(function() {\n";
// return the locally scoped reference.
var b = "\nreturn " + v + ";\n})();";
var ref = eval(t + this._scriptText.join("\n") + b);
this._pushEvents(ref);
if (ref) {
this.onSuccess.call(this.scope, {
reference: ref,
data: this.data
});
} else {
this._onFailure.call(this.varName + " reference failure");
}
}
},
failure: function(o) {
this.onFailure.call(this.scope, {
msg: "XHR failure",
xhrResponse: o,
data: this.data
});
},
scope: this,
// module index, module name, sandbox name
argument: [i, url, s[i]]
};
this._xhr.push(util.Connect.asyncRequest('GET', url, xhrData));
}
},
/**
* Executed every time a module is loaded, and if we are in a load
* cycle, we attempt to load the next script. Public so that it
* is possible to call this if using a method other than
* YAHOO.register to determine when scripts are fully loaded
* @method loadNext
* @param mname {string} optional the name of the module that has
* been loaded (which is usually why it is time to load the next
* one)
*/
loadNext: function(mname) {
// It is possible that this function is executed due to something
// else one the page loading a YUI module. Only react when we
// are actively loading something
if (!this._loading) {
return;
}
if (mname) {
// if the module that was just loaded isn't what we were expecting,
// continue to wait
if (mname !== this._loading) {
return;
}
// YAHOO.log("loadNext executing, just loaded " + mname);
// The global handler that is called when each module is loaded
// will pass that module name to this function. Storing this
// data to avoid loading the same module multiple times
this.inserted[mname] = true;
if (this.onProgress) {
this.onProgress.call(this.scope, {
name: mname,
data: this.data
});
}
//var o = this.getProvides(mname);
//this.inserted = lang.merge(this.inserted, o);
}
var s=this.sorted, len=s.length, i, m;
for (i=0; i<len; i=i+1) {
// This.inserted keeps track of what the loader has loaded
if (s[i] in this.inserted) {
// YAHOO.log(s[i] + " alread loaded ");
continue;
}
// Because rollups will cause multiple load notifications
// from YAHOO, loadNext may be called multiple times for
// the same module when loading a rollup. We can safely
// skip the subsequent requests
if (s[i] === this._loading) {
// YAHOO.log("still loading " + s[i] + ", waiting");
return;
}
// log("inserting " + s[i]);
m = this.moduleInfo[s[i]];
if (!m) {
this.onFailure.call(this.scope, {
msg: "undefined module " + m,
data: this.data
});
return;
}
// The load type is stored to offer the possibility to load
// the css separately from the script.
if (!this.loadType || this.loadType === m.type) {
this._loading = s[i];
//YAHOO.log("attempting to load " + s[i] + ", " + this.base);
var fn=(m.type === "css") ? util.Get.css : util.Get.script,
url = m.fullpath,
self=this,
c=function(o) {
self.loadNext(o.data);
};
url = (url) ? this._filter(url) : this._url(m.path);
// safari 2.x or lower, script, and part of YUI
if (env.ua.webkit && env.ua.webkit < 420 && m.type === "js" &&
!m.varName) {
//YUI.info.moduleInfo[s[i]]) {
//YAHOO.log("using YAHOO env " + s[i] + ", " + m.varName);
c = null;
this._useYahooListener = true;
}
fn(url, {
data: s[i],
onSuccess: c,
onFailure: this._onFailure,
onTimeout: this._onTimeout,
insertBefore: this.insertBefore,
charset: this.charset,
timeout: this.timeout,
varName: m.varName,
scope: self
});
return;
}
}
// we are finished
this._loading = null;
// internal callback for loading css first
if (this._internalCallback) {
var f = this._internalCallback;
this._internalCallback = null;
f.call(this);
} else if (this.onSuccess) {
this._pushEvents();
this.onSuccess.call(this.scope, {
data: this.data
});
}
},
/**
* In IE, the onAvailable/onDOMReady events need help when Event is
* loaded dynamically
* @method _pushEvents
* @param {Function} optional function reference
* @private
*/
_pushEvents: function(ref) {
var r = ref || YAHOO;
if (r.util && r.util.Event) {
r.util.Event._load();
}
},
/**
* Applies filter
* method _filter
* @return {string} the filtered string
* @private
*/
_filter: function(str) {
var f = this.filter;
return (f) ? str.replace(new RegExp(f.searchExp), f.replaceStr) : str;
},
/**
* Generates the full url for a module
* method _url
* @param path {string} the path fragment
* @return {string} the full url
* @private
*/
_url: function(path) {
var u = this.base || "", f=this.filter;
u = u + path;
return this._filter(u);
}
};
})();