doc provider example
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.classpath b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.classpath
new file mode 100644
index 0000000..ad32c83
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.project b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.project
new file mode 100644
index 0000000..8397a7d
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.dltk.javascript.example.docprovider</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.settings/org.eclipse.jdt.core.prefs b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..ae03cda
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,8 @@
+#Tue Jul 27 21:40:04 NOVST 2010
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/META-INF/MANIFEST.MF b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..f5ded63
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/META-INF/MANIFEST.MF
@@ -0,0 +1,12 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Docprovider
+Bundle-SymbolicName: org.eclipse.dltk.javascript.example.docprovider;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Require-Bundle: org.eclipse.core.runtime;bundle-version="3.5.0",
+ org.eclipse.dltk.core;bundle-version="3.0.0",
+ org.eclipse.dltk.ui;bundle-version="3.0.0",
+ org.eclipse.dltk.javascript.core;bundle-version="3.0.0",
+ org.eclipse.core.resources;bundle-version="3.5.0",
+ org.eclipse.emf.ecore;bundle-version="2.5.0"
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/build.properties b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/build.properties
new file mode 100644
index 0000000..e9863e2
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/build.properties
@@ -0,0 +1,5 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/plugin.xml b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/plugin.xml
new file mode 100644
index 0000000..bb463c6
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/plugin.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<plugin>
+   <extension
+         point="org.eclipse.dltk.ui.scriptDocumentationProviders">
+      <provider
+      		id="org.eclipse.dltk.javascript.example.docprovider1"
+            class="org.eclipse.dltk.javascript.example.docprovider.ExampleElementDocumentationProvider"
+            nature="org.eclipse.dltk.javascript.core.nature">
+      </provider>
+   </extension>
+	<extension point="org.eclipse.dltk.javascript.core.typeinfo">
+    	<converter class="org.eclipse.dltk.javascript.example.docprovider.ExampleElementConverter"/>
+	</extension>
+
+</plugin>
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ElementWrapper.java b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ElementWrapper.java
new file mode 100644
index 0000000..d266696
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ElementWrapper.java
@@ -0,0 +1,32 @@
+/*******************************************************************************
+ * Copyright (c) 2010 xored software, Inc.  
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html  
+ *
+ * Contributors:
+ *     xored software, Inc. - initial API and Implementation (Alex Panchenko)
+ *******************************************************************************/
+package org.eclipse.dltk.javascript.example.docprovider;
+
+import org.eclipse.dltk.core.IModelElement;
+import org.eclipse.dltk.core.model.ForeignElement;
+import org.eclipse.dltk.javascript.typeinfo.model.Element;
+
+public class ElementWrapper extends ForeignElement {
+
+	final Element element;
+
+	public ElementWrapper(IModelElement parent, Element element)
+			throws IllegalArgumentException {
+		super(parent);
+		this.element = element;
+	}
+
+	@Override
+	public void codeSelect() {
+		// TODO Auto-generated method stub
+	}
+}
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ExampleElementConverter.java b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ExampleElementConverter.java
new file mode 100644
index 0000000..4a8e312
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ExampleElementConverter.java
@@ -0,0 +1,30 @@
+/*******************************************************************************
+ * Copyright (c) 2010 xored software, Inc.  
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html  
+ *
+ * Contributors:
+ *     xored software, Inc. - initial API and Implementation (Alex Panchenko)
+ *******************************************************************************/
+package org.eclipse.dltk.javascript.example.docprovider;
+
+import org.eclipse.dltk.core.IModelElement;
+import org.eclipse.dltk.core.ISourceModule;
+import org.eclipse.dltk.javascript.typeinfo.IElementConverter;
+import org.eclipse.dltk.javascript.typeinfo.model.Element;
+import org.eclipse.dltk.javascript.typeinfo.model.Property;
+
+public class ExampleElementConverter implements IElementConverter {
+
+	public IModelElement convert(ISourceModule module, Element element) {
+		if (element instanceof Property
+				&& "exampleForms".equals(element.getName())) { //$NON-NLS-1$
+			return new ElementWrapper(module, element);
+		}
+		return null;
+	}
+
+}
diff --git a/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ExampleElementDocumentationProvider.java b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ExampleElementDocumentationProvider.java
new file mode 100644
index 0000000..ef0b84d
--- /dev/null
+++ b/javascript/examples/org.eclipse.dltk.javascript.example.docprovider/src/org/eclipse/dltk/javascript/example/docprovider/ExampleElementDocumentationProvider.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2010 xored software, Inc.  
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html  
+ *
+ * Contributors:
+ *     xored software, Inc. - initial API and Implementation (Alex Panchenko)
+ *******************************************************************************/
+package org.eclipse.dltk.javascript.example.docprovider;
+
+import java.io.Reader;
+
+import org.eclipse.dltk.core.IDocumentableElement;
+import org.eclipse.dltk.core.IMember;
+import org.eclipse.dltk.javascript.typeinfo.model.Element;
+import org.eclipse.dltk.ui.documentation.IDocumentationResponse;
+import org.eclipse.dltk.ui.documentation.IScriptDocumentationProvider;
+import org.eclipse.dltk.ui.documentation.IScriptDocumentationProviderExtension2;
+import org.eclipse.dltk.ui.documentation.TextDocumentationResponse;
+
+public class ExampleElementDocumentationProvider implements
+		IScriptDocumentationProvider, IScriptDocumentationProviderExtension2 {
+
+	@Override
+	public Reader getInfo(IMember element, boolean lookIntoParents,
+			boolean lookIntoExternal) {
+		return null;
+	}
+
+	@Override
+	public Reader getInfo(String content) {
+		return null;
+	}
+
+	@Override
+	public IDocumentationResponse describeElement(IDocumentableElement element) {
+		if (element instanceof ElementWrapper) {
+			final Element jsElement = ((ElementWrapper) element).element;
+			if (jsElement.getDescription() != null
+					&& jsElement.getDescription().length() != 0) {
+				return new TextDocumentationResponse(element, jsElement
+						.getDescription());
+			}
+		}
+		return null;
+	}
+
+}