Attachment 140629 Details for Bug 86520 – The Long Awaited Commenting Fix

[patch] The Long Awaited Commenting Fix

86520_commenting.txt (text/plain), 118.20 KB, created by Ian Tewksbury

on 2009-07-01 17:02:48 EDT

(hide)

Description:

Filename:

MIME Type:

Creator: Ian Tewksbury

Created: 2009-07-01 17:02:48 EDT

Size: 118.20 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.wst.xml.ui
>Index: plugin.xml
>===================================================================
>RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.wst.xml.ui/plugin.xml,v
>retrieving revision 1.106
>diff -u -r1.106 plugin.xml
>--- plugin.xml	29 Jun 2009 17:17:08 -0000	1.106
>+++ plugin.xml	1 Jul 2009 20:39:22 -0000
>@@ -1171,7 +1171,7 @@
> </enabledWhen>
> </handler>
> <handler
>- class="org.eclipse.wst.xml.ui.internal.handlers.ToggleCommentHandler"
>+ class="org.eclipse.wst.xml.ui.internal.handlers.ToggleXMLCommentHandler"
> commandId="org.eclipse.wst.sse.ui.toggle.comment">
> <activeWhen>
> <reference definitionId="org.eclipse.wst.xml.ui.comments"/>
>@@ -1181,7 +1181,7 @@
> </enabledWhen>
> </handler>
> <handler
>- class="org.eclipse.wst.xml.ui.internal.handlers.AddBlockCommentHandler"
>+ class="org.eclipse.wst.xml.ui.internal.handlers.AddXMLBlockCommentHandler"
> commandId="org.eclipse.wst.sse.ui.add.block.comment">
> <activeWhen>
> <reference definitionId="org.eclipse.wst.xml.ui.comments"/>
>@@ -1191,7 +1191,7 @@
> </enabledWhen>
> </handler>
> <handler
>- class="org.eclipse.wst.xml.ui.internal.handlers.RemoveBlockCommentHandler"
>+ class="org.eclipse.wst.xml.ui.internal.handlers.RemoveXMLBlockCommentHandler"
> commandId="org.eclipse.wst.sse.ui.remove.block.comment">
> <activeWhen>
> <reference definitionId="org.eclipse.wst.xml.ui.comments"/>
>Index: src/org/eclipse/wst/xml/ui/internal/handlers/CommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/wst/xml/ui/internal/handlers/CommentHandler.java
>diff -N src/org/eclipse/wst/xml/ui/internal/handlers/CommentHandler.java
>--- src/org/eclipse/wst/xml/ui/internal/handlers/CommentHandler.java	27 Mar 2008 02:58:48 -0000	1.2
>+++ /dev/null	1 Jan 1970 00:00:00 -0000
>@@ -1,103 +0,0 @@
>-/*******************************************************************************
>- * Copyright (c) 2008 Standards for Technology in Automotive Retail and others.
>- * 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:
>- * David Carver - initial API and implementation, bug 212330
>- * 
>- *******************************************************************************/
>-package org.eclipse.wst.xml.ui.internal.handlers;
>-
>-import org.eclipse.core.commands.AbstractHandler;
>-import org.eclipse.core.commands.ExecutionEvent;
>-import org.eclipse.core.commands.ExecutionException;
>-import org.eclipse.core.commands.IHandler;
>-import org.eclipse.jface.text.BadLocationException;
>-import org.eclipse.jface.text.IDocument;
>-import org.eclipse.jface.text.ITextSelection;
>-import org.eclipse.jface.text.TextSelection;
>-import org.eclipse.jface.viewers.ISelection;
>-import org.eclipse.jface.viewers.ISelectionProvider;
>-import org.eclipse.ui.IEditorPart;
>-import org.eclipse.ui.handlers.HandlerUtil;
>-import org.eclipse.ui.texteditor.ITextEditor;
>-import org.eclipse.wst.xml.ui.internal.Logger;
>-
>-public class CommentHandler extends AbstractHandler implements IHandler {
>-	static final String CLOSE_COMMENT = "-->"; //$NON-NLS-1$
>-	static final String OPEN_COMMENT = ""; //$NON-NLS-1$
>+
>+	private static final String[] POSSIBLE_COMMENT_PREFIXES = {
>+		XML_BLOCK_COMMENT_PREFIX
>+	};
>+	
>+	private static final String[] POSSIBLE_COMMENT_SUFFIXES = {
>+		XML_BLOCK_COMMENT_SUFFIX
>+	};
>+	
>+	private static final String[] XML_COMMENT_PARTITION_TYPES = {
>+		IXMLPartitions.XML_COMMENT
>+	};
>+	
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public AbstractXMLCommentHandler() {
>+		super();
>+	}
>+	
>+	/**
>+	 * There are no line comments in XML
>+	 * 
>+	 * (non-Javadoc)
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getLineCommentPrefix(java.util.List)
>+	 */
>+	protected String getLineCommentPrefix(ITypedRegion[] regions) {
>+		return null;
>+	}
>+	
>+	/**
>+	 * There is only one type of start comment in XML
>+	 * 
>+	 * (non-Javadoc)
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getBlockCommentPrefix(java.util.List)
>+	 */
>+	protected String getBlockCommentPrefix(ITypedRegion[] regions) {
>+		return XML_BLOCK_COMMENT_PREFIX;
>+	}
>+	
>+	/**
>+	 * There is only one type of comment suffix in XML
>+	 * 
>+	 * (non-Javadoc)
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getBlockCommentSuffix(java.util.List)
>+	 */
>+	protected String getBlockCommentSuffix(ITypedRegion[] regions) {
>+		return XML_BLOCK_COMMENT_SUFFIX;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getPossibleCommentOpenings()
>+	 */
>+	protected String[] getPossibleCommentPrefixes() {
>+		return POSSIBLE_COMMENT_PREFIXES;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getPossibleCommentClosings()
>+	 */
>+	protected String[] getPossibleCommentSuffixes() {
>+		return POSSIBLE_COMMENT_SUFFIXES;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getCommentTypes()
>+	 */
>+	protected String[] getCommentPartitionTypes() {
>+		return XML_COMMENT_PARTITION_TYPES;
>+	}
>+}
>Index: src/org/eclipse/wst/xml/ui/internal/handlers/AddXMLBlockCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/wst/xml/ui/internal/handlers/AddXMLBlockCommentHandler.java
>diff -N src/org/eclipse/wst/xml/ui/internal/handlers/AddXMLBlockCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/wst/xml/ui/internal/handlers/AddXMLBlockCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,85 @@
>+/*******************************************************************************
>+ * Copyright (c) 2008, 2009 Standards for Technology in Automotive Retail and others.
>+ * 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:
>+ * David Carver - initial API and implementation, bug 212330
>+ * IBM Corporation - additional contributions
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.wst.xml.ui.internal.handlers;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.jface.text.Region;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.core.StructuredModelManager;
>+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
>+import org.eclipse.wst.xml.ui.internal.Logger;
>+import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
>+
>+/**
>+ * The handler used to add a block comment to an XML file
>+ * 
>+ * NOTE: there are currently many copies of this class except for
>+ * who they are inheriting from, this is because there is no multiple
>+ * inheritance in Java.
>+ * 
>+ * @see org.eclipse.wst.xml.ui.internal.handlers.AddXMLBlockCommentHandler COPY: AddXMLBlockCommentHandler
>+ * @see org.eclipse.wst.html.ui.internal.handlers.AddHTMLBlockCommentHandler COPY: AddHTMLBlockCommentHandler
>+ * @see org.eclipse.jst.jsp.ui.internal.handlers.AddJSPBlockCommentHandler COPY: AddJSPBlockCommentHandler
>+ */
>+public class AddXMLBlockCommentHandler extends AbstractXMLCommentHandler {
>+
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public AddXMLBlockCommentHandler() {
>+		super();
>+	}
>+
>+	/**
>+	 * Adds a block comment to the given text selection based on the types in the text selection
>+	 * 
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#processAction(org.eclipse.ui.texteditor.ITextEditor, org.eclipse.jface.text.IDocument, org.eclipse.jface.text.ITextSelection)
>+	 */
>+	protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
>+		IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
>+		if (model != null) {
>+			try {
>+				IRegion region = new Region(textSelection.getOffset(), textSelection.getLength());
>+				String regionContent = getRegionContent(document, region);
>+				String commentPrefix = startsWith(regionContent, getPossibleCommentPrefixes());
>+				
>+				ITypedRegion[] typedRegions = document.computePartitioning(region.getOffset(), region.getLength());
>+				
>+				boolean alreadyCommented = isEntireRegionCommented(typedRegions);
>+				
>+				//if selection not already commented
>+				if(commentPrefix == null && !alreadyCommented) {
>+					commentPrefix = getBlockCommentPrefix(typedRegions);
>+					String commentSuffix = getBlockCommentSuffix(typedRegions);
>+					
>+					int commentPrefixOffset = region.getOffset();
>+					int commentSuffixOffset = commentPrefixOffset + region.getLength() + commentPrefix.length();
>+					
>+					model.beginRecording(this, XMLUIMessages.AddBlockComment_tooltip);
>+					model.aboutToChangeModel();
>+					comment(document, commentPrefixOffset, commentSuffixOffset, commentPrefix, commentSuffix);
>+				}
>+			} catch (BadLocationException e) {
>+				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+			} finally {
>+				model.changedModel();
>+				model.endRecording(this);
>+				model.releaseFromEdit();
>+			}
>+		}
>+	}
>+}
>#P org.eclipse.jst.jsp.ui
>Index: plugin.xml
>===================================================================
>RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.jst.jsp.ui/plugin.xml,v
>retrieving revision 1.88
>diff -u -r1.88 plugin.xml
>--- plugin.xml	29 Jun 2009 17:17:00 -0000	1.88
>+++ plugin.xml	1 Jul 2009 20:39:24 -0000
>@@ -72,7 +72,7 @@
> 			target="org.eclipse.jst.jsp.core.jspsource" />
> 		<provisionalDefinition
> 			type="activecontexts"
>-			value="org.eclipse.jst.jsp.core.jspsource, org.eclipse.jst.jsp.ui.structured.text.editor.jsp.scope, org.eclipse.wst.html.core.htmlsource, org.eclipse.core.runtime.xml, org.eclipse.wst.xml.navigation, org.eclipse.wst.xml.comments, org.eclipse.wst.xml.selection"
>+			value="org.eclipse.jst.jsp.core.jspsource, org.eclipse.jst.jsp.ui.structured.text.editor.jsp.scope, org.eclipse.wst.html.core.htmlsource, org.eclipse.core.runtime.xml, org.eclipse.wst.xml.navigation, org.eclipse.jst.jsp.comments, org.eclipse.wst.xml.selection"
> 	target="org.eclipse.jst.jsp.core.jspsource" />
> 
> 		<contentOutlineConfiguration
>@@ -482,6 +482,12 @@
> 			description="%scope.jsp.core.jspsource.description"
> 			id="org.eclipse.jst.jsp.core.jspsource">
> 		</context>
>+		<context
>+			name="%scope.structured.text.editor.jsp.comments.name"
>+			parentId="org.eclipse.wst.sse.ui.structuredTextEditorScope"
>+			description="%scope.structured.text.editor.jsp.comments.description"
>+			id="org.eclipse.jst.jsp.comments">
>+		</context>
> 	</extension>
> 	
> 	
>@@ -1011,10 +1017,58 @@
> 	 </command>
> 	 <separator name="jspRefactorBegin" visible="false"></separator>
> 		</menuContribution>
>+		
>+		<menuContribution locationURI="menu:sourceMenuId?after=sourceBegin">
>+			<command commandId="org.eclipse.wst.sse.ui.toggle.comment"
>+			 id="ToggleComment"
>+			 mnemonic="%command.toggle.comment.mnemonic"
>+			 style="push">
>+				<visibleWhen checkEnabled="false">
>+					<reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+				</visibleWhen>
>+			</command>
>+			<command commandId="org.eclipse.wst.sse.ui.add.block.comment"
>+			 id="AddBlockComment"
>+			 mnemonic="%command.add.block.comment.mnemonic"
>+			 style="push">
>+				<visibleWhen checkEnabled="false">
>+					<reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+				</visibleWhen>
>+			</command>
>+			<command commandId="org.eclipse.wst.sse.ui.remove.block.comment"
>+			 id="RemoveBlockComment"
>+			 mnemonic="%command.remove.block.comment.mnemonic"
>+			 style="push">
>+				<visibleWhen checkEnabled="false">
>+					<reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+				</visibleWhen>
>+			</command>
>+		</menuContribution>
>+		
>+		<menuContribution
>+	 locationURI="popup:sourcePopupMenuId?after=sourceBegin">
>+				<command commandId="org.eclipse.wst.sse.ui.toggle.comment" id="ToggleComment" style="push">
>+					<visibleWhen checkEnabled="false">
>+						<reference definitionId="org.eclipse.jst.jsp.ui.comments"></reference>
>+					</visibleWhen>
>+				</command>
>+				<command commandId="org.eclipse.wst.sse.ui.add.block.comment" id="AddBlockComment" style="push">
>+					<visibleWhen checkEnabled="false">
>+						<reference definitionId="org.eclipse.jst.jsp.ui.comments"></reference>
>+					</visibleWhen>
>+				</command>
>+				<command commandId="org.eclipse.wst.sse.ui.remove.block.comment" id="RemoveBlockComment" style="push">
>+					<visibleWhen checkEnabled="false">
>+						<reference definitionId="org.eclipse.jst.jsp.ui.comments"></reference>
>+					</visibleWhen>
>+				</command>
>+				<separator name="format" visible="true"></separator>
>+		</menuContribution>
> 	</extension>
> 	
>-	
>+	
> 	<extension point="org.eclipse.ui.handlers">
>+		
> 		<handler 
> 			class="org.eclipse.wst.sse.ui.internal.handlers.FormatHandler"
> 			commandId="org.eclipse.wst.sse.ui.format">
>@@ -1025,6 +1079,37 @@
> 				<reference definitionId="org.eclipse.wst.jsp.ui.jspContentType.definition"></reference>
> 			</enabledWhen>
> 		</handler>
>+		
>+		<handler
>+ class="org.eclipse.jst.jsp.ui.internal.handlers.ToggleJSPCommentHandler"
>+ commandId="org.eclipse.wst.sse.ui.toggle.comment">
>+ <activeWhen>
>+ <reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+ </activeWhen>
>+ <enabledWhen>
>+ <reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+ </enabledWhen>
>+ </handler>
>+ <handler
>+ class="org.eclipse.jst.jsp.ui.internal.handlers.AddJSPBlockCommentHandler"
>+ commandId="org.eclipse.wst.sse.ui.add.block.comment">
>+ <activeWhen>
>+ <reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+ </activeWhen>
>+ <enabledWhen>
>+ <reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+ </enabledWhen>
>+ </handler>
>+ <handler
>+ class="org.eclipse.jst.jsp.ui.internal.handlers.RemoveJSPBlockCommentHandler"
>+ commandId="org.eclipse.wst.sse.ui.remove.block.comment">
>+ <activeWhen>
>+ <reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+ </activeWhen>
>+ <enabledWhen>
>+ <reference definitionId="org.eclipse.jst.jsp.ui.comments"/>
>+ </enabledWhen>
>+ </handler>
> 	</extension>
> 	
> 	
>@@ -1040,4 +1125,15 @@
> 		</definition>
> 	</extension>
> 	
>+	
>+	<extension point="org.eclipse.core.expressions.definitions">
>+		<definition id="org.eclipse.jst.jsp.ui.comments">
>+			<with variable="activeContexts">
>+				<iterate operator="or">
>+					<equals value="org.eclipse.jst.jsp.comments"/>
>+				</iterate>
>+			</with>
>+		</definition>
>+	</extension>
>+	
> </plugin>
>Index: plugin.properties
>===================================================================
>RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.jst.jsp.ui/plugin.properties,v
>retrieving revision 1.25
>diff -u -r1.25 plugin.properties
>--- plugin.properties	21 May 2009 22:02:24 -0000	1.25
>+++ plugin.properties	1 Jul 2009 20:39:24 -0000
>@@ -50,6 +50,8 @@
> scope.structured.text.editor.jsp.description=Editing JSP Source
> scope.jsp.core.jspsource.name=JSP Source
> scope.jsp.core.jspsource.description=JSP Source
>+scope.structured.text.editor.jsp.comments.name=JSP Source Comments
>+scope.structured.text.editor.jsp.comments.description=JSP Source Comments
> JSP_Type_Rename_Participant_Extension_Element.name=JSP Type Rename Participant
> JSP_Method_Rename_Participant_Extension_Element.name=JSP Method Rename Participant
> JSP_Package_Rename_Participant_Extension_Element.name=JSP Package Rename Participant
>@@ -62,6 +64,7 @@
> JSP_Attribute_value_context_type_Extension_Element.name=JSP Attribute value
> JSP_Query_Participant_Extension_Element.name=JSP Query Participant
> JSP_Extension_Element.label=JSP
>+
> #org.eclipse.ui.newWizards extension point
> _UI_WIZARD_NAME = JSP
> _UI_WIZARD_CREATE_NEW_FILE = Create a new JavaServer Page
>@@ -104,3 +107,8 @@
> ##
> Java_Element_hyperlink=Java Element
> Taglib_hyperlink=Tag Library Descriptor
>+
>+# Menu contributions
>+command.toggle.comment.mnemonic=T
>+command.add.block.comment.mnemonic=A
>+command.remove.block.comment.mnemonic=R
>Index: src/org/eclipse/jst/jsp/ui/internal/handlers/AddJSPBlockCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/jst/jsp/ui/internal/handlers/AddJSPBlockCommentHandler.java
>diff -N src/org/eclipse/jst/jsp/ui/internal/handlers/AddJSPBlockCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jst/jsp/ui/internal/handlers/AddJSPBlockCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,85 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ * IBM Corporation - initial API and implementation
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.jst.jsp.ui.internal.handlers;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.jface.text.Region;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.core.StructuredModelManager;
>+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
>+import org.eclipse.wst.xml.ui.internal.Logger;
>+import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
>+
>+/**
>+ * The handler used to add a block comment to a JSP file
>+ * 
>+ * NOTE: there are currently many copies of this class except for
>+ * who they are inheriting from, this is because there is no multiple
>+ * inheritance in Java.
>+ * 
>+ * @see org.eclipse.wst.xml.ui.internal.handlers.AddXMLBlockCommentHandler COPY: AddXMLBlockCommentHandler
>+ * @see org.eclipse.wst.html.ui.internal.handlers.AddHTMLBlockCommentHandler COPY: AddHTMLBlockCommentHandler
>+ * @see org.eclipse.jst.jsp.ui.internal.handlers.AddJSPBlockCommentHandler COPY: AddJSPBlockCommentHandler
>+ */
>+public class AddJSPBlockCommentHandler extends AbstractJSPCommentHandler {
>+
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public AddJSPBlockCommentHandler() {
>+		super();
>+	}
>+
>+
>+	/**
>+	 * Adds a block comment to the given text selection based on the types in the text selection
>+	 * 
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#processAction(org.eclipse.ui.texteditor.ITextEditor, org.eclipse.jface.text.IDocument, org.eclipse.jface.text.ITextSelection)
>+	 */
>+	protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
>+		IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
>+		if (model != null) {
>+			try {
>+				IRegion region = new Region(textSelection.getOffset(), textSelection.getLength());
>+				String regionContent = getRegionContent(document, region);
>+				String commentPrefix = startsWith(regionContent, getPossibleCommentPrefixes());
>+				
>+				ITypedRegion[] typedRegions = document.computePartitioning(region.getOffset(), region.getLength());
>+				
>+				boolean alreadyCommented = isEntireRegionCommented(typedRegions);
>+				
>+				//if selection not already commented
>+				if(commentPrefix == null && !alreadyCommented) {
>+					commentPrefix = getBlockCommentPrefix(typedRegions);
>+					String commentSuffix = getBlockCommentSuffix(typedRegions);
>+					
>+					int commentPrefixOffset = region.getOffset();
>+					int commentSuffixOffset = commentPrefixOffset + region.getLength() + commentPrefix.length();
>+					
>+					model.beginRecording(this, XMLUIMessages.AddBlockComment_tooltip);
>+					model.aboutToChangeModel();
>+					comment(document, commentPrefixOffset, commentSuffixOffset, commentPrefix, commentSuffix);
>+				}
>+			} catch (BadLocationException e) {
>+				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+			} finally {
>+				model.changedModel();
>+				model.endRecording(this);
>+				model.releaseFromEdit();
>+			}
>+		}
>+	}
>+}
>Index: src/org/eclipse/jst/jsp/ui/internal/handlers/ToggleJSPCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/jst/jsp/ui/internal/handlers/ToggleJSPCommentHandler.java
>diff -N src/org/eclipse/jst/jsp/ui/internal/handlers/ToggleJSPCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jst/jsp/ui/internal/handlers/ToggleJSPCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,123 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ * IBM Corporation - initial API and implementation
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.jst.jsp.ui.internal.handlers;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.Position;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.core.StructuredModelManager;
>+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
>+import org.eclipse.wst.xml.ui.internal.Logger;
>+import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
>+
>+/**
>+ * The handler used to toggle per line comments
>+ * 
>+ * NOTE: there are currently many copies of this class except for
>+ * who they are inheriting from, this is because there is no multiple
>+ * inheritance in Java.
>+ * 
>+ * @see org.eclipse.wst.xml.ui.internal.handlers.ToggleXMLCommentHandler COPY: ToggleXMLCommentHandler
>+ * @see org.eclipse.wst.html.ui.internal.handlers.ToggleHTMLCommentHandler COPY: ToggleHTMLCommentHandler
>+ * @see org.eclipse.jst.jsp.ui.internal.handlers.ToggleJSPCommentHandler COPY: ToggleJSPCommentHandler
>+ */
>+public class ToggleJSPCommentHandler extends AbstractJSPCommentHandler {
>+	
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public ToggleJSPCommentHandler() {
>+		super();
>+	}
>+
>+	/**
>+	 * Break the selection down into lines and toggle the commenting for each line
>+	 * 
>+	 * @see org.eclipse.jst.jsp.ui.internal.handlers.AbstractJSPCommentHandler#processAction(org.eclipse.ui.texteditor.ITextEditor, org.eclipse.jface.text.IDocument, org.eclipse.jface.text.ITextSelection)
>+	 */
>+	protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
>+		// get text selection lines info
>+		int selectionStartLine = textSelection.getStartLine();
>+		int selectionEndLine = textSelection.getEndLine();
>+		try {
>+			int selectionEndLineOffset = document.getLineOffset(selectionEndLine);
>+			int selectionEndOffset = textSelection.getOffset() + textSelection.getLength();
>+
>+			// adjust selection end line
>+			if ((selectionEndLine > selectionStartLine) && (selectionEndLineOffset == selectionEndOffset)) {
>+				selectionEndLine--;
>+			}
>+
>+		}
>+		catch (BadLocationException e) {
>+			Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+		}
>+
>+		// save the selection position since it will be changing
>+		Position selectionPosition = null;
>+		try {
>+			selectionPosition = new Position(textSelection.getOffset(), textSelection.getLength());
>+			document.addPosition(selectionPosition);
>+		}
>+		catch (BadLocationException e) {
>+			Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+		}
>+
>+		//toggle each line
>+		processAction(document, selectionStartLine, selectionEndLine);
>+
>+		updateCurrentSelection(textEditor, selectionPosition, document);
>+	}
>+
>+	/**
>+	 * For all of the lines between <code>selectionStartLine</code> and <code>selectionEndLine</code>
>+	 * inclusive, toggle the commenting on that line.
>+	 * 
>+	 * @param document the document to toggle the commenting in
>+	 * @param selectionStartLine the first line to start comment toggling
>+	 * @param selectionEndLine the last line to comment toggle
>+	 */
>+	private void processAction(IDocument document, int selectionStartLine, int selectionEndLine) {
>+		IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
>+		if (model != null) {
>+			try {
>+				model.beginRecording(this, XMLUIMessages.ToggleComment_tooltip);
>+				model.aboutToChangeModel();
>+
>+				for (int line = selectionStartLine; line <= selectionEndLine; ++line) {
>+					try {
>+						IRegion lineRegion = document.getLineInformation(line);
>+						
>+						//don't toggle empty lines
>+						String content = getRegionContent(document, lineRegion);
>+						if (content.trim().length() > 0) {
>+							//toggle the commenting on the line
>+							model.aboutToChangeModel();
>+							toggleLineComment(document, lineRegion);
>+						}
>+					}
>+					catch (BadLocationException e) {
>+						Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+					}
>+				}
>+			}
>+			finally {
>+				model.changedModel();
>+				model.endRecording(this);
>+				model.releaseFromEdit();
>+			}
>+		}
>+	}
>+}
>Index: src/org/eclipse/jst/jsp/ui/internal/handlers/RemoveJSPBlockCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/jst/jsp/ui/internal/handlers/RemoveJSPBlockCommentHandler.java
>diff -N src/org/eclipse/jst/jsp/ui/internal/handlers/RemoveJSPBlockCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jst/jsp/ui/internal/handlers/RemoveJSPBlockCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,104 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ * IBM Corporation - initial API and implementation
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.jst.jsp.ui.internal.handlers;
>+
>+import java.util.List;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.jface.text.Region;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.core.StructuredModelManager;
>+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
>+import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
>+import org.eclipse.wst.xml.ui.internal.Logger;
>+
>+/**
>+ * The handler used to remove a block comment to a JSP file
>+ * 
>+ * NOTE: there are currently many copies of this class except for
>+ * who they are inheriting from, this is because there is no multiple
>+ * inheritance in Java.
>+ * 
>+ * @see org.eclipse.wst.xml.ui.internal.handlers.RemoveXMLBlockCommentHandler COPY: RemoveXMLBlockCommentHandler
>+ * @see org.eclipse.wst.html.ui.internal.handlers.RemoveHTMLBlockCommentHandler COPY: RemoveHTMLBlockCommentHandler
>+ * @see org.eclipse.jst.jsp.ui.internal.handlers.RemoveJSPBlockCommentHandler COPY: RemoveJSPBlockCommentHandler
>+ */
>+public class RemoveJSPBlockCommentHandler extends AbstractJSPCommentHandler {
>+
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public RemoveJSPBlockCommentHandler() {
>+		super();
>+	}
>+
>+	/**
>+	 * Removes all block comments from the given text selection
>+	 * 
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#processAction(org.eclipse.ui.texteditor.ITextEditor, org.eclipse.jface.text.IDocument, org.eclipse.jface.text.ITextSelection)
>+	 */
>+	protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
>+		IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
>+		if (model != null) {
>+			try {
>+				IRegion region = new Region(textSelection.getOffset(), textSelection.getLength());
>+				
>+				ITypedRegion[] typedRegions = document.computePartitioning(region.getOffset(), region.getLength());
>+				List commentRegions = getCommentedRegions(typedRegions);
>+				
>+				//remove in reverse order as to not effect offset of other regions
>+				model.aboutToChangeModel();
>+				for(int i = commentRegions.size()-1; i >= 0; --i) {
>+					ITypedRegion typedRegion = (ITypedRegion)commentRegions.get(i);
>+					IRegion commentRegion = new Region(typedRegion.getOffset(), typedRegion.getLength());
>+					
>+					String regionContent = getRegionContent(document, commentRegion);
>+					String commentPrefix = startsWith(regionContent, getPossibleCommentPrefixes());
>+					String commentSuffix = endsWith(regionContent, getPossibleCommentSuffixes());
>+					
>+					/*if the user did not highlight the entire region with the comment then we
>+					 *need to ask the model for the structured region that the user selected
>+					 *in to find the opening and closing comment blocks to remove
>+					 */
>+					if(commentPrefix == null || commentSuffix == null) {
>+						IStructuredDocumentRegion structuredRegion =
>+							model.getStructuredDocument().getRegionAtCharacterOffset(
>+									typedRegion.getOffset());
>+						commentRegion = new Region(structuredRegion.getStartOffset(), structuredRegion.getLength());
>+						
>+						regionContent = getRegionContent(document, commentRegion);
>+						commentPrefix = startsWith(regionContent, getPossibleCommentPrefixes());
>+						commentSuffix = endsWith(regionContent, getPossibleCommentSuffixes());
>+					}
>+					
>+					int commentPrefixOffset = commentRegion.getOffset() + regionContent.indexOf(commentPrefix);
>+					int commentSuffixOffset = commentRegion.getOffset() - commentPrefix.length();
>+					commentSuffixOffset += regionContent.lastIndexOf(commentSuffix);
>+					
>+					//remove comment block
>+					uncomment(document, commentPrefixOffset, commentSuffixOffset, commentPrefix, commentSuffix);
>+				}
>+			} catch (BadLocationException e) {
>+				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+			}
>+			finally {
>+				model.changedModel();
>+				model.endRecording(this);
>+				model.releaseFromEdit();
>+			}
>+		}
>+	}
>+}
>Index: src/org/eclipse/jst/jsp/ui/internal/handlers/AbstractJSPCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/jst/jsp/ui/internal/handlers/AbstractJSPCommentHandler.java
>diff -N src/org/eclipse/jst/jsp/ui/internal/handlers/AbstractJSPCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jst/jsp/ui/internal/handlers/AbstractJSPCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,168 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ * IBM Corporation - initial API and implementation
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.jst.jsp.ui.internal.handlers;
>+
>+import java.util.ArrayList;
>+import java.util.List;
>+
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.jst.jsp.core.text.IJSPPartitions;
>+import org.eclipse.wst.html.core.text.IHTMLPartitions;
>+import org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler;
>+
>+/**
>+ * The abstract comment handler for JSP files.
>+ * 
>+ * @see AbstractStructuredCommentHandler
>+ */
>+public abstract class AbstractJSPCommentHandler extends AbstractStructuredCommentHandler {
>+	protected static final String HTML_BLOCK_COMMENT_PREFIX = ""; //$NON-NLS-1$
>+	
>+	protected static final String JSP_BLOCK_COMMENT_PREFIX = "<%--"; //$NON-NLS-1$
>+	protected static final String JSP_BLOCK_COMMENT_SUFFIX = "--%>"; //$NON-NLS-1$
>+	
>+	protected static final String JAVA_LINE_COMMENT_PREFIX = "//"; //$NON-NLS-1$
>+	protected static final String JAVA_BLOCK_COMMENT_PREFIX = "/*"; //$NON-NLS-1$
>+	protected static final String JAVA_BLOCK_COMMENT_SUFFIX = "*/"; //$NON-NLS-1$
>+	
>+	private static final String[] POSSIBLE_COMMENT_PREFIXES = {
>+		HTML_BLOCK_COMMENT_PREFIX, JSP_BLOCK_COMMENT_PREFIX,
>+		JAVA_BLOCK_COMMENT_PREFIX, JAVA_LINE_COMMENT_PREFIX
>+	};
>+	
>+	private static final String[] POSSIBLE_COMMENT_SUFFIXES = {
>+		HTML_BLOCK_COMMENT_SUFFIX, JSP_BLOCK_COMMENT_SUFFIX, JAVA_BLOCK_COMMENT_SUFFIX
>+	};
>+	
>+	private static final List JAVA_PARTITION_TYPES = new ArrayList();
>+	private static final List JSP_PARTITION_TYPES = new ArrayList();
>+	static {
>+		JAVA_PARTITION_TYPES.add(IJSPPartitions.JSP_CONTENT_JAVA);
>+		JAVA_PARTITION_TYPES.add(IHTMLPartitions.SCRIPT);
>+		JSP_PARTITION_TYPES.add(IJSPPartitions.JSP_COMMENT);
>+		JSP_PARTITION_TYPES.add(IJSPPartitions.JSP_DIRECTIVE);
>+		JSP_PARTITION_TYPES.add(IJSPPartitions.JSP_CONTENT_DELIMITER);
>+		JSP_PARTITION_TYPES.add(IJSPPartitions.JSP_DEFAULT);
>+	}
>+	
>+	private static final String[] JSP_COMMENT_PARTITION_TYPES = {
>+		IJSPPartitions.JSP_COMMENT, IHTMLPartitions.HTML_COMMENT
>+	};
>+	
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public AbstractJSPCommentHandler() {
>+		super();
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getLineCommentPrefix(org.eclipse.jface.text.ITypedRegion[])
>+	 */
>+	protected String getLineCommentPrefix(ITypedRegion[] regions) {
>+		String openComment = null;
>+		
>+		if(regions.length == 1) {
>+			String type = regions[0].getType();
>+			if(type == IJSPPartitions.JSP_CONTENT_JAVA || type == IHTMLPartitions.SCRIPT) {
>+				openComment = JAVA_LINE_COMMENT_PREFIX;
>+			}
>+		}
>+		
>+		return openComment;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getBlockCommentPrefix(org.eclipse.jface.text.ITypedRegion[])
>+	 */
>+	protected String getBlockCommentPrefix(ITypedRegion[] regions) {
>+		String commentPrefix = null;
>+		
>+		List copy = new ArrayList(regions.length);
>+		for(int i = 0; i < regions.length; ++i) {
>+			copy.add(regions[i].getType());
>+		}
>+		
>+		boolean hadJavaTypes = copy.removeAll(JAVA_PARTITION_TYPES);
>+		boolean hadJSPTypes = copy.removeAll(JSP_PARTITION_TYPES);
>+		
>+		/* if only java regions then java comment prefix
>+		 * else if had java regions or jsp regions then jsp comment prefix
>+		 * else html regions only so html comment prefix
>+		 */
>+		if(hadJavaTypes && copy.size() == 0) {
>+			commentPrefix = JAVA_BLOCK_COMMENT_PREFIX;
>+		} else if(hadJavaTypes || hadJSPTypes) {
>+			commentPrefix = JSP_BLOCK_COMMENT_PREFIX;
>+		} else {
>+			commentPrefix = HTML_BLOCK_COMMENT_PREFIX;
>+		}
>+		
>+		return commentPrefix;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getBlockCommentSuffix(org.eclipse.jface.text.ITypedRegion[])
>+	 */
>+	protected String getBlockCommentSuffix(ITypedRegion[] regions) {
>+		String commentSuffix = null;
>+		
>+		List copy = new ArrayList(regions.length);
>+		for(int i = 0; i < regions.length; ++i) {
>+			copy.add(regions[i].getType());
>+		}
>+		
>+		boolean hadJavaTypes = copy.removeAll(JAVA_PARTITION_TYPES);
>+		boolean hadJSPTypes = copy.removeAll(JSP_PARTITION_TYPES);
>+		
>+		/* if only java regions then java comment suffix
>+		 * else if had java regions or jsp regions then jsp comment suffix
>+		 * else html regions only so html comment suffix
>+		 */
>+		if(hadJavaTypes && copy.size() == 0) {
>+			commentSuffix = JAVA_BLOCK_COMMENT_SUFFIX;
>+		} else if(hadJavaTypes || hadJSPTypes) {
>+			commentSuffix = JSP_BLOCK_COMMENT_SUFFIX;
>+		} else {
>+			commentSuffix = HTML_BLOCK_COMMENT_SUFFIX;
>+		}
>+		
>+		return commentSuffix;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getPossibleCommentPrefixes()
>+	 */
>+	protected String[] getPossibleCommentPrefixes() {
>+		return POSSIBLE_COMMENT_PREFIXES;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getPossibleCommentSuffixes()
>+	 */
>+	protected String[] getPossibleCommentSuffixes() {
>+		return POSSIBLE_COMMENT_SUFFIXES;
>+	}
>+	
>+	/**
>+	 * LIMITATION: there needs to be a partition type for commented JAVA and SCRIPT regions (BUG ######)
>+	 * this effects being able to remove comment blocks in JAVA and SCRIPT regions as well as undesired behavior
>+	 * when adding a comment block to already commented JAVA and SCRIPT regions. Once new partition types
>+	 * are created for commented JAVA and SCRIPT regions they should be returned here as well.
>+	 * 
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getCommentPartitionTypes()
>+	 */
>+	protected String[] getCommentPartitionTypes() {
>+		return JSP_COMMENT_PARTITION_TYPES;
>+	}
>+}
>#P org.eclipse.wst.html.ui
>Index: plugin.xml
>===================================================================
>RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.wst.html.ui/plugin.xml,v
>retrieving revision 1.86
>diff -u -r1.86 plugin.xml
>--- plugin.xml	29 Jun 2009 17:17:17 -0000	1.86
>+++ plugin.xml	1 Jul 2009 20:39:24 -0000
>@@ -60,7 +60,7 @@
> 			target="org.eclipse.wst.html.core.htmlsource" />
> 		<provisionalDefinition
> 			type="activecontexts"
>-			value="org.eclipse.wst.html.core.htmlsource, org.eclipse.wst.html.occurrences, org.eclipse.core.runtime.xml, org.eclipse.wst.xml.navigation, org.eclipse.wst.xml.comments, org.eclipse.wst.xml.selection"
>+			value="org.eclipse.wst.html.core.htmlsource, org.eclipse.wst.html.occurrences, org.eclipse.core.runtime.xml, org.eclipse.wst.xml.navigation, org.eclipse.wst.html.comments, org.eclipse.wst.xml.selection"
> 	target="org.eclipse.wst.html.core.htmlsource" />
> 	</extension>
> 	<extension
>@@ -275,6 +275,12 @@
> 			description="%scope.structured.text.editor.html.occurrences.description"
> 			id="org.eclipse.wst.html.occurrences">
> 		</context>
>+		<context
>+			name="%scope.structured.text.editor.html.comments.name"
>+			parentId="org.eclipse.wst.sse.ui.structuredTextEditorScope"
>+			description="%scope.structured.text.editor.html.comments.description"
>+			id="org.eclipse.wst.html.comments">
>+		</context>
> 	</extension>
> 	
> 	
>@@ -535,6 +541,37 @@
> </enabledWhen>
> </handler>
> 
>+ <handler
>+ class="org.eclipse.wst.html.ui.internal.handlers.ToggleHTMLCommentHandler"
>+ commandId="org.eclipse.wst.sse.ui.toggle.comment">
>+ <activeWhen>
>+ <reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+ </activeWhen>
>+ <enabledWhen>
>+ <reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+ </enabledWhen>
>+ </handler>
>+ <handler
>+ class="org.eclipse.wst.html.ui.internal.handlers.AddHTMLBlockCommentHandler"
>+ commandId="org.eclipse.wst.sse.ui.add.block.comment">
>+ <activeWhen>
>+ <reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+ </activeWhen>
>+ <enabledWhen>
>+ <reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+ </enabledWhen>
>+ </handler>
>+ <handler
>+ class="org.eclipse.wst.html.ui.internal.handlers.RemoveHTMLBlockCommentHandler"
>+ commandId="org.eclipse.wst.sse.ui.remove.block.comment">
>+ <activeWhen>
>+ <reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+ </activeWhen>
>+ <enabledWhen>
>+ <reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+ </enabledWhen>
>+ </handler>
>+ 
> 	</extension>
> 	
> 	<extension
>@@ -581,6 +618,17 @@
> 		</definition>
> 	</extension>
> 	
>+	
>+	<extension point="org.eclipse.core.expressions.definitions">
>+		<definition id="org.eclipse.wst.html.ui.comments">
>+			<with variable="activeContexts">
>+				<iterate operator="or">
>+					<equals value="org.eclipse.wst.html.comments"/>
>+				</iterate>
>+			</with>
>+		</definition>
>+	</extension>
>+	
> 	
> 	<extension
>@@ -627,4 +675,52 @@
> 		</definition>
> 	</extension>
> 	
>+	<extension point="org.eclipse.ui.menus">
>+		<menuContribution locationURI="menu:sourceMenuId?after=sourceBegin">
>+			<command commandId="org.eclipse.wst.sse.ui.toggle.comment"
>+			 id="ToggleComment"
>+			 mnemonic="%command.toggle.comment.mnemonic"
>+			 style="push">
>+				<visibleWhen checkEnabled="false">
>+					<reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+				</visibleWhen>
>+			</command>
>+			<command commandId="org.eclipse.wst.sse.ui.add.block.comment"
>+			 id="AddBlockComment"
>+			 mnemonic="%command.add.block.comment.mnemonic"
>+			 style="push">
>+				<visibleWhen checkEnabled="false">
>+					<reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+				</visibleWhen>
>+			</command>
>+			<command commandId="org.eclipse.wst.sse.ui.remove.block.comment"
>+			 id="RemoveBlockComment"
>+			 mnemonic="%command.remove.block.comment.mnemonic"
>+			 style="push">
>+				<visibleWhen checkEnabled="false">
>+					<reference definitionId="org.eclipse.wst.html.ui.comments"/>
>+				</visibleWhen>
>+			</command>
>+		</menuContribution>
>+		
>+		<menuContribution
>+	 locationURI="popup:sourcePopupMenuId?after=sourceBegin">
>+				<command commandId="org.eclipse.wst.sse.ui.toggle.comment" id="ToggleComment" style="push">
>+					<visibleWhen checkEnabled="false">
>+						<reference definitionId="org.eclipse.wst.html.ui.comments"></reference>
>+					</visibleWhen>
>+				</command>
>+				<command commandId="org.eclipse.wst.sse.ui.add.block.comment" id="AddBlockComment" style="push">
>+					<visibleWhen checkEnabled="false">
>+						<reference definitionId="org.eclipse.wst.html.ui.comments"></reference>
>+					</visibleWhen>
>+				</command>
>+				<command commandId="org.eclipse.wst.sse.ui.remove.block.comment" id="RemoveBlockComment" style="push">
>+					<visibleWhen checkEnabled="false">
>+						<reference definitionId="org.eclipse.wst.html.ui.comments"></reference>
>+					</visibleWhen>
>+				</command>
>+				<separator name="format" visible="true"></separator>
>+		</menuContribution>
>+	</extension>
> </plugin>
>Index: plugin.properties
>===================================================================
>RCS file: /cvsroot/webtools/sourceediting/plugins/org.eclipse.wst.html.ui/plugin.properties,v
>retrieving revision 1.29
>diff -u -r1.29 plugin.properties
>--- plugin.properties	12 Mar 2009 00:43:43 -0000	1.29
>+++ plugin.properties	1 Jul 2009 20:39:24 -0000
>@@ -70,9 +70,15 @@
> scope.structured.text.editor.html.description=Editing HTML Source
> scope.structured.text.editor.html.occurrences.name=HTML Source Occurrences
> scope.structured.text.editor.html.occurrences.description=HTML Source Occurrences
>+scope.structured.text.editor.html.comments.name=HTML Source Comments
>+scope.structured.text.editor.html.comments.description=HTML Source Comments
> 
> Colors.scriptAreaBorder=Script Area Border
> hyperlinkDetector.anchor.name=Anchors
> hyperlink.target.script.name=HTML Client Script
> hyperlink.target.eventhandler.name=HTML Event Handlers
> 
>+# Menu contributions
>+command.toggle.comment.mnemonic=T
>+command.add.block.comment.mnemonic=A
>+command.remove.block.comment.mnemonic=R
>Index: src/org/eclipse/wst/html/ui/internal/handlers/AddHTMLBlockCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/wst/html/ui/internal/handlers/AddHTMLBlockCommentHandler.java
>diff -N src/org/eclipse/wst/html/ui/internal/handlers/AddHTMLBlockCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/wst/html/ui/internal/handlers/AddHTMLBlockCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,85 @@
>+/*******************************************************************************
>+ * Copyright (c) 2008, 2009 Standards for Technology in Automotive Retail and others.
>+ * 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:
>+ * David Carver - initial API and implementation, bug 212330
>+ * IBM Corporation - additional contributions
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.wst.html.ui.internal.handlers;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.jface.text.Region;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.core.StructuredModelManager;
>+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
>+import org.eclipse.wst.xml.ui.internal.Logger;
>+import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
>+
>+/**
>+ * The handler used to add a block comment to an XML file
>+ * 
>+ * NOTE: there are currently many copies of this class except for
>+ * who they are inheriting from, this is because there is no multiple
>+ * inheritance in Java.
>+ * 
>+ * @see org.eclipse.wst.xml.ui.internal.handlers.AddXMLBlockCommentHandler COPY: AddXMLBlockCommentHandler
>+ * @see org.eclipse.wst.html.ui.internal.handlers.AddHTMLBlockCommentHandler COPY: AddHTMLBlockCommentHandler
>+ * @see org.eclipse.jst.jsp.ui.internal.handlers.AddJSPBlockCommentHandler COPY: AddJSPBlockCommentHandler
>+ */
>+public class AddHTMLBlockCommentHandler extends AbstractHTMLCommentHandler {
>+
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public AddHTMLBlockCommentHandler() {
>+		super();
>+	}
>+
>+	/**
>+	 * Adds a block comment to the given text selection based on the types in the text selection
>+	 * 
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#processAction(org.eclipse.ui.texteditor.ITextEditor, org.eclipse.jface.text.IDocument, org.eclipse.jface.text.ITextSelection)
>+	 */
>+	protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
>+		IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
>+		if (model != null) {
>+			try {
>+				IRegion region = new Region(textSelection.getOffset(), textSelection.getLength());
>+				String regionContent = getRegionContent(document, region);
>+				String commentPrefix = startsWith(regionContent, getPossibleCommentPrefixes());
>+				
>+				ITypedRegion[] typedRegions = document.computePartitioning(region.getOffset(), region.getLength());
>+				
>+				boolean alreadyCommented = isEntireRegionCommented(typedRegions);
>+				
>+				//if selection not already commented
>+				if(commentPrefix == null && !alreadyCommented) {
>+					commentPrefix = getBlockCommentPrefix(typedRegions);
>+					String commentSuffix = getBlockCommentSuffix(typedRegions);
>+					
>+					int commentPrefixOffset = region.getOffset();
>+					int commentSuffixOffset = commentPrefixOffset + region.getLength() + commentPrefix.length();
>+					
>+					model.beginRecording(this, XMLUIMessages.AddBlockComment_tooltip);
>+					model.aboutToChangeModel();
>+					comment(document, commentPrefixOffset, commentSuffixOffset, commentPrefix, commentSuffix);
>+				}
>+			} catch (BadLocationException e) {
>+				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+			} finally {
>+				model.changedModel();
>+				model.endRecording(this);
>+				model.releaseFromEdit();
>+			}
>+		}
>+	}
>+}
>Index: src/org/eclipse/wst/html/ui/internal/handlers/AbstractHTMLCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/wst/html/ui/internal/handlers/AbstractHTMLCommentHandler.java
>diff -N src/org/eclipse/wst/html/ui/internal/handlers/AbstractHTMLCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/wst/html/ui/internal/handlers/AbstractHTMLCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,156 @@
>+/*******************************************************************************
>+ * Copyright (c) 2008, 2009 Standards for Technology in Automotive Retail and others.
>+ * 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:
>+ * David Carver - initial API and implementation, bug 212330
>+ * IBM Corporation - additional contributions
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.wst.html.ui.internal.handlers;
>+
>+import java.util.ArrayList;
>+import java.util.List;
>+
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.wst.html.core.text.IHTMLPartitions;
>+import org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler;
>+import org.eclipse.wst.xml.core.text.IXMLPartitions;
>+import org.eclipse.wst.xml.ui.internal.handlers.AbstractXMLCommentHandler;
>+
>+/**
>+ * The abstract comment handler for HTML files.
>+ * 
>+ * @see AbstractStructuredCommentHandler
>+ */
>+public abstract class AbstractHTMLCommentHandler extends AbstractXMLCommentHandler {
>+	protected static final String SCRIPT_LINE_COMMENT_PREFIX = "//"; //$NON-NLS-1$
>+	protected static final String SCRIPT_BLOCK_COMMENT_PREFIX = "/*"; //$NON-NLS-1$
>+	protected static final String SCRIPT_BLOCK_COMMENT_SUFFIX = "*/"; //$NON-NLS-1$
>+	
>+	private static final String[] POSSIBLE_COMMENT_PREFIXES = {
>+		XML_BLOCK_COMMENT_PREFIX, SCRIPT_LINE_COMMENT_PREFIX, SCRIPT_BLOCK_COMMENT_PREFIX
>+	};
>+	
>+	private static final String[] POSSIBLE_COMMENT_SUFFIXES = {
>+		XML_BLOCK_COMMENT_SUFFIX, SCRIPT_BLOCK_COMMENT_SUFFIX
>+	};
>+	
>+	private static final String[] HTML_COMMENT_PARTITION_TYPES = {
>+		IXMLPartitions.XML_COMMENT, IHTMLPartitions.HTML_COMMENT
>+	};
>+	
>+	private static final List SCRIPT_PARTITION_TYPES = new ArrayList();
>+	static {
>+		SCRIPT_PARTITION_TYPES.add(IHTMLPartitions.SCRIPT);
>+	}
>+	
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public AbstractHTMLCommentHandler() {
>+		super();
>+	}
>+	
>+	/**
>+	 * script regions have line comments
>+	 * 
>+	 * (non-Javadoc)
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getLineCommentPrefix(java.util.List)
>+	 */
>+	protected String getLineCommentPrefix(ITypedRegion[] regions) {
>+		String openComment = null;
>+		
>+		if(regions.length == 1) {
>+			String type = regions[0].getType();
>+			if(type == IHTMLPartitions.SCRIPT) {
>+				openComment = SCRIPT_LINE_COMMENT_PREFIX;
>+			}
>+		}
>+		
>+		return openComment;
>+	}
>+	
>+	/**
>+	 * There is only one type of start comment in XML
>+	 * 
>+	 * (non-Javadoc)
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getBlockCommentPrefix(java.util.List)
>+	 */
>+	protected String getBlockCommentPrefix(ITypedRegion[] regions) {
>+		String commentPrefix = null;
>+		
>+		List copy = new ArrayList(regions.length);
>+		for(int i = 0; i < regions.length; ++i) {
>+			copy.add(regions[i].getType());
>+		}
>+		
>+		boolean hadScriptTypes = copy.removeAll(SCRIPT_PARTITION_TYPES);
>+		
>+		//if only script regions then script comment prefix
>+		//else ask parent comment handler
>+		if(hadScriptTypes && copy.size() == 0) {
>+			commentPrefix = SCRIPT_BLOCK_COMMENT_PREFIX;
>+		} else {
>+			commentPrefix = super.getBlockCommentPrefix(regions);
>+		}
>+		
>+		return commentPrefix;
>+	}
>+	
>+	/**
>+	 * There is only one type of comment suffix in XML
>+	 * 
>+	 * (non-Javadoc)
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getBlockCommentSuffix(java.util.List)
>+	 */
>+	protected String getBlockCommentSuffix(ITypedRegion[] regions) {
>+		String commentSuffix = null;
>+		
>+		List copy = new ArrayList(regions.length);
>+		for(int i = 0; i < regions.length; ++i) {
>+			copy.add(regions[i].getType());
>+		}
>+		
>+		boolean hadScriptTypes = copy.removeAll(SCRIPT_PARTITION_TYPES);
>+		
>+		//if only script regions then script comment prefix
>+		//else ask parent comment handler
>+		if(hadScriptTypes && copy.size() == 0) {
>+			commentSuffix = SCRIPT_BLOCK_COMMENT_SUFFIX;
>+		} else {
>+			commentSuffix = super.getBlockCommentSuffix(regions);
>+		}
>+		
>+		return commentSuffix;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getPossibleCommentOpenings()
>+	 */
>+	protected String[] getPossibleCommentPrefixes() {
>+		return POSSIBLE_COMMENT_PREFIXES;
>+	}
>+	
>+	/**
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getPossibleCommentClosings()
>+	 */
>+	protected String[] getPossibleCommentSuffixes() {
>+		return POSSIBLE_COMMENT_SUFFIXES;
>+	}
>+	
>+	/**
>+	 * LIMITATION: there needs to be a partition type for commented JAVA and SCRIPT regions (BUG ######)
>+	 * this effects being able to remove comment blocks in JAVA and SCRIPT regions as well as undesired behavior
>+	 * when adding a comment block to already commented JAVA and SCRIPT regions. Once new partition types
>+	 * are created for commented JAVA and SCRIPT regions they should be returned here as well.
>+	 * 
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#getCommentTypes()
>+	 */
>+	protected String[] getCommentPartitionTypes() {
>+		return HTML_COMMENT_PARTITION_TYPES;
>+	}
>+}
>Index: src/org/eclipse/wst/html/ui/internal/handlers/RemoveHTMLBlockCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/wst/html/ui/internal/handlers/RemoveHTMLBlockCommentHandler.java
>diff -N src/org/eclipse/wst/html/ui/internal/handlers/RemoveHTMLBlockCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/wst/html/ui/internal/handlers/RemoveHTMLBlockCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,105 @@
>+/*******************************************************************************
>+ * Copyright (c) 2008, 2009 Standards for Technology in Automotive Retail and others.
>+ * 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:
>+ * David Carver - initial API and implementation, bug 212330
>+ * IBM Corporation - additional contributions
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.wst.html.ui.internal.handlers;
>+
>+import java.util.List;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.jface.text.Region;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.core.StructuredModelManager;
>+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
>+import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
>+import org.eclipse.wst.xml.ui.internal.Logger;
>+
>+/**
>+ * The handler used to remove a block comment to a XML file
>+ * 
>+ * NOTE: there are currently many copies of this class except for
>+ * who they are inheriting from, this is because there is no multiple
>+ * inheritance in Java.
>+ * 
>+ * @see org.eclipse.wst.xml.ui.internal.handlers.RemoveXMLBlockCommentHandler COPY: RemoveXMLBlockCommentHandler
>+ * @see org.eclipse.wst.html.ui.internal.handlers.RemoveHTMLBlockCommentHandler COPY: RemoveHTMLBlockCommentHandler
>+ * @see org.eclipse.jst.jsp.ui.internal.handlers.RemoveJSPBlockCommentHandler COPY: RemoveJSPBlockCommentHandler
>+ */
>+public class RemoveHTMLBlockCommentHandler extends AbstractHTMLCommentHandler {
>+
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public RemoveHTMLBlockCommentHandler() {
>+		super();
>+	}
>+
>+	/**
>+	 * Removes all block comments from the given text selection
>+	 * 
>+	 * @see org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredCommentHandler#processAction(org.eclipse.ui.texteditor.ITextEditor, org.eclipse.jface.text.IDocument, org.eclipse.jface.text.ITextSelection)
>+	 */
>+	protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
>+		IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
>+		if (model != null) {
>+			try {
>+				IRegion region = new Region(textSelection.getOffset(), textSelection.getLength());
>+				
>+				ITypedRegion[] typedRegions = document.computePartitioning(region.getOffset(), region.getLength());
>+				List commentRegions = getCommentedRegions(typedRegions);
>+				
>+				//remove in reverse order as to not effect offset of other regions
>+				model.aboutToChangeModel();
>+				for(int i = commentRegions.size()-1; i >= 0; --i) {
>+					ITypedRegion typedRegion = (ITypedRegion)commentRegions.get(i);
>+					IRegion commentRegion = new Region(typedRegion.getOffset(), typedRegion.getLength());
>+					
>+					String regionContent = getRegionContent(document, commentRegion);
>+					String commentPrefix = startsWith(regionContent, getPossibleCommentPrefixes());
>+					String commentSuffix = endsWith(regionContent, getPossibleCommentSuffixes());
>+					
>+					/*if the user did not highlight the entire region with the comment then we
>+					 *need to ask the model for the structured region that the user selected
>+					 *in to find the opening and closing comment blocks to remove
>+					 */
>+					if(commentPrefix == null || commentSuffix == null) {
>+						IStructuredDocumentRegion structuredRegion =
>+							model.getStructuredDocument().getRegionAtCharacterOffset(
>+									typedRegion.getOffset());
>+						commentRegion = new Region(structuredRegion.getStartOffset(), structuredRegion.getLength());
>+						
>+						regionContent = getRegionContent(document, commentRegion);
>+						commentPrefix = startsWith(regionContent, getPossibleCommentPrefixes());
>+						commentSuffix = endsWith(regionContent, getPossibleCommentSuffixes());
>+					}
>+					
>+					int commentPrefixOffset = commentRegion.getOffset() + regionContent.indexOf(commentPrefix);
>+					int commentSuffixOffset = commentRegion.getOffset() - commentPrefix.length();
>+					commentSuffixOffset += regionContent.lastIndexOf(commentSuffix);
>+					
>+					//remove comment block
>+					uncomment(document, commentPrefixOffset, commentSuffixOffset, commentPrefix, commentSuffix);
>+				}
>+			} catch (BadLocationException e) {
>+				Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+			}
>+			finally {
>+				model.changedModel();
>+				model.endRecording(this);
>+				model.releaseFromEdit();
>+			}
>+		}
>+	}
>+}
>Index: src/org/eclipse/wst/html/ui/internal/handlers/ToggleHTMLCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/wst/html/ui/internal/handlers/ToggleHTMLCommentHandler.java
>diff -N src/org/eclipse/wst/html/ui/internal/handlers/ToggleHTMLCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/wst/html/ui/internal/handlers/ToggleHTMLCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,124 @@
>+/*******************************************************************************
>+ * Copyright (c) 2008, 2009 Standards for Technology in Automotive Retail and others.
>+ * 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:
>+ * David Carver - initial API and implementation, bug 212330
>+ * IBM Corporation - additional contributions
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.wst.html.ui.internal.handlers;
>+
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.Position;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.core.StructuredModelManager;
>+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
>+import org.eclipse.wst.xml.ui.internal.Logger;
>+import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
>+
>+/**
>+ * The handler used to toggle per line comments
>+ * 
>+ * NOTE: there are currently many copies of this class except for
>+ * who they are inheriting from, this is because there is no multiple
>+ * inheritance in Java.
>+ * 
>+ * @see org.eclipse.wst.xml.ui.internal.handlers.ToggleXMLCommentHandler COPY: ToggleXMLCommentHandler
>+ * @see org.eclipse.wst.html.ui.internal.handlers.ToggleHTMLCommentHandler COPY: ToggleHTMLCommentHandler
>+ * @see org.eclipse.jst.jsp.ui.internal.handlers.ToggleJSPCommentHandler COPY: ToggleJSPCommentHandler
>+ */
>+public class ToggleHTMLCommentHandler extends AbstractHTMLCommentHandler {
>+
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public ToggleHTMLCommentHandler() {
>+		super();
>+	}
>+
>+	/**
>+	 * Break the selection down into lines and toggle the commenting for each line
>+	 * 
>+	 * @see org.eclipse.jst.jsp.ui.internal.handlers.AbstractJSPCommentHandler#processAction(org.eclipse.ui.texteditor.ITextEditor, org.eclipse.jface.text.IDocument, org.eclipse.jface.text.ITextSelection)
>+	 */
>+	protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
>+		// get text selection lines info
>+		int selectionStartLine = textSelection.getStartLine();
>+		int selectionEndLine = textSelection.getEndLine();
>+		try {
>+			int selectionEndLineOffset = document.getLineOffset(selectionEndLine);
>+			int selectionEndOffset = textSelection.getOffset() + textSelection.getLength();
>+
>+			// adjust selection end line
>+			if ((selectionEndLine > selectionStartLine) && (selectionEndLineOffset == selectionEndOffset)) {
>+				selectionEndLine--;
>+			}
>+
>+		}
>+		catch (BadLocationException e) {
>+			Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+		}
>+
>+		// save the selection position since it will be changing
>+		Position selectionPosition = null;
>+		try {
>+			selectionPosition = new Position(textSelection.getOffset(), textSelection.getLength());
>+			document.addPosition(selectionPosition);
>+		}
>+		catch (BadLocationException e) {
>+			Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+		}
>+
>+		//toggle each line
>+		processAction(document, selectionStartLine, selectionEndLine);
>+
>+		updateCurrentSelection(textEditor, selectionPosition, document);
>+	}
>+
>+	/**
>+	 * For all of the lines between <code>selectionStartLine</code> and <code>selectionEndLine</code>
>+	 * inclusive, toggle the commenting on that line.
>+	 * 
>+	 * @param document the document to toggle the commenting in
>+	 * @param selectionStartLine the first line to start comment toggling
>+	 * @param selectionEndLine the last line to comment toggle
>+	 */
>+	private void processAction(IDocument document, int selectionStartLine, int selectionEndLine) {
>+		IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
>+		if (model != null) {
>+			try {
>+				model.beginRecording(this, XMLUIMessages.ToggleComment_tooltip);
>+				model.aboutToChangeModel();
>+
>+				for (int line = selectionStartLine; line <= selectionEndLine; ++line) {
>+					try {
>+						IRegion lineRegion = document.getLineInformation(line);
>+						
>+						//don't toggle empty lines
>+						String content = getRegionContent(document, lineRegion);
>+						if (content.trim().length() > 0) {
>+							//toggle the commenting on the line
>+							model.aboutToChangeModel();
>+							toggleLineComment(document, lineRegion);
>+						}
>+					}
>+					catch (BadLocationException e) {
>+						Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+					}
>+				}
>+			}
>+			finally {
>+				model.changedModel();
>+				model.endRecording(this);
>+				model.releaseFromEdit();
>+			}
>+		}
>+	}
>+}
>#P org.eclipse.wst.sse.ui
>Index: src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredCommentHandler.java
>===================================================================
>RCS file: src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredCommentHandler.java
>diff -N src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredCommentHandler.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredCommentHandler.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,487 @@
>+/*******************************************************************************
>+ * Copyright (c) 2009 IBM Corporation and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ * IBM Corporation - initial API and implementation
>+ * 
>+ *******************************************************************************/
>+package org.eclipse.wst.sse.ui.internal.handlers;
>+
>+import java.util.ArrayList;
>+import java.util.List;
>+
>+import org.eclipse.core.commands.AbstractHandler;
>+import org.eclipse.core.commands.ExecutionEvent;
>+import org.eclipse.core.commands.ExecutionException;
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.jface.text.IRegion;
>+import org.eclipse.jface.text.ITextSelection;
>+import org.eclipse.jface.text.ITypedRegion;
>+import org.eclipse.jface.text.Position;
>+import org.eclipse.jface.text.TextSelection;
>+import org.eclipse.jface.viewers.ISelection;
>+import org.eclipse.jface.viewers.ISelectionProvider;
>+import org.eclipse.ui.IEditorPart;
>+import org.eclipse.ui.handlers.HandlerUtil;
>+import org.eclipse.ui.texteditor.ITextEditor;
>+import org.eclipse.wst.sse.ui.internal.Logger;
>+
>+/**
>+ * This class contains all of the shared functionality for structured comment handlers
>+ */
>+public abstract class AbstractStructuredCommentHandler extends AbstractHandler {
>+
>+	/**
>+	 * Default constructor must exist because sub classes are created by java reflection
>+	 */
>+	public AbstractStructuredCommentHandler() {
>+		super();
>+	}
>+
>+	/**
>+	 * Gets the important information out of the event and passes it onto 
>+	 * the internal method processAction.
>+	 * 
>+	 * It is suggested that this function not be overridden and instead
>+	 * implementers should put all functionality in their implementation
>+	 * of <code>processAction</code>
>+	 * 
>+	 * (non-Javadoc)
>+	 * @see org.eclipse.wst.xml.ui.internal.handlers.CommentHandler#execute(org.eclipse.core.commands.ExecutionEvent)
>+	 */
>+	public Object execute(ExecutionEvent event) throws ExecutionException {
>+		IEditorPart editor = HandlerUtil.getActiveEditor(event);
>+		ITextEditor textEditor = null;
>+		if (editor instanceof ITextEditor)
>+			textEditor = (ITextEditor) editor;
>+		else {
>+			Object o = editor.getAdapter(ITextEditor.class);
>+			if (o != null)
>+				textEditor = (ITextEditor) o;
>+		}
>+		if (textEditor != null) {
>+			IDocument document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
>+			if (document != null) {
>+				// get current text selection
>+				ITextSelection textSelection = getCurrentSelection(textEditor);
>+				if (textSelection.isEmpty()) {
>+					return null;
>+				}
>+
>+				//call the implimenters code to deal with the event
>+				processAction(textEditor, document, textSelection);
>+			}
>+		}
>+		return null;
>+	}
>+
>+	/**
>+	 * This method is called by the public execute method whenever the comment handler
>+	 * is invoked. This method should be used for the logic of handling the
>+	 * structured comment event
>+	 * 
>+	 * @param textEditor the text editor the initiating event was caused in
>+	 * @param document the document the text editor is editing
>+	 * @param textSelection the user selection when the event was caused
>+	 */
>+	protected abstract void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection);
>+	
>+	/**
>+	 * Given a list of partition types in a user selection should return
>+	 * the appropriate line comment prefix, or null if there is not one
>+	 * 
>+	 * @param types the partition types in the user selection
>+	 * @return the appropriate line comment prefix, or <code>null</code> if there is not one
>+	 */
>+	protected abstract String getLineCommentPrefix(ITypedRegion[] regions);
>+	
>+	/**
>+	 * Given a list of typed regions in a user selection should return
>+	 * the appropriate block comment prefix, or null if there is not one.
>+	 * 
>+	 * IMPORTANT: If there is a block comment prefix for a list of types there
>+	 * should also be a block comment suffix for that same list of types
>+	 * 
>+	 * @param regions the typed regions in the user selection
>+	 * @return the appropriate block comment prefix, or <code>null</code> if there is not one
>+	 */
>+	protected abstract String getBlockCommentPrefix(ITypedRegion[] regions);
>+	
>+	/**
>+	 * Given a list of typed regions in a user selection should return
>+	 * the appropriate block comment suffix, or null if there is not one.
>+	 * 
>+	 * IMPORTANT: If there is a block comment prefix returned by 
>+	 * <code>getBlockCommentPrefix</code> then this method needs to return
>+	 * the appropriate block comment suffix for the prefix that
>+	 * <code>getBlockCommentPrefix</code> would return if invoked.
>+	 * 
>+	 * @param types the typed regions in the user selection
>+	 * @return the appropriate block comment suffix, or <code>null</code> if there is not one
>+	 */
>+	protected abstract String getBlockCommentSuffix(ITypedRegion[] regions);
>+	
>+	/**
>+	 * Should return all possible comment suffixes that could
>+	 * possible appear in the document type that this handler
>+	 * is being implemented for. This includes both
>+	 * line and block comment prefixes.
>+	 * 
>+	 * @return all possible comment prefixes
>+	 */
>+	protected abstract String[] getPossibleCommentPrefixes();
>+	
>+	/**
>+	 * Should return all possible comment suffixes that could
>+	 * possible appear in the document type that this handler
>+	 * is being implemented for.
>+	 * 
>+	 * @return all possible comment suffixes
>+	 */
>+	protected abstract String[] getPossibleCommentSuffixes();
>+	
>+	/**
>+	 * Should return all partition types that represent commented
>+	 * partitions for the document type that this handler is being
>+	 * implemented for
>+	 * 
>+	 * @return all partition types that represent commented partitions
>+	 */
>+	protected abstract String[] getCommentPartitionTypes();
>+	
>+	/**
>+	 * Given a document and a region representing one line in that document
>+	 * comments that line if it is not commented or un-comments it if it is
>+	 * already commented. When commenting an uncommented line it will first
>+	 * try to use a line only comment, if there is not a line only comment
>+	 * prefix appropriate for the given region then it will surround the line
>+	 * with a block comment.
>+	 * 
>+	 * NOTE: it is a good idea if a model is at hand when calling this to
>+	 * warn the model of an impending update
>+	 * 
>+	 * @param document the document with the line to be commented or uncommented
>+	 * @param lineRegion the region representing the line to be commented or uncommented
>+	 * @throws BadLocationException thrown if the given region is a bad location in the given document
>+	 */
>+	protected void toggleLineComment(IDocument document, IRegion lineRegion) throws BadLocationException {
>+		
>+		String regionContent = getRegionContent(document, lineRegion);
>+		String openComment = startsWith(regionContent, getPossibleCommentPrefixes());
>+		String closeComment = endsWith(regionContent, getPossibleCommentSuffixes());
>+		
>+		//if there is an opening comment then remove comment
>+		//else add comment
>+		if (openComment != null) {
>+			String lineContent = document.get(lineRegion.getOffset(), lineRegion.getLength());
>+			int openCommentOffset = lineRegion.getOffset() + lineContent.indexOf(openComment);
>+			int closeCommentOffset = lineRegion.getOffset() - openComment.length();
>+			if(closeComment != null) {
>+				closeCommentOffset += lineContent.lastIndexOf(closeComment);
>+			}
>+			uncomment(document, openCommentOffset, closeCommentOffset, openComment, closeComment);
>+		}
>+		else {
>+			ITypedRegion[] typedRegions = document.computePartitioning(lineRegion.getOffset(), lineRegion.getLength());
>+			
>+			openComment = getLineCommentPrefix(typedRegions);
>+			closeComment = null;
>+			
>+			//if there is no line comment prefix then use a block comment
>+			if(openComment == null) {
>+				openComment = getBlockCommentPrefix(typedRegions);
>+				closeComment = getBlockCommentSuffix(typedRegions);
>+			}
>+			
>+			//add the comment prefix & suffix
>+			int commentPrefixOffset = lineRegion.getOffset();
>+			int commentSuffixOffset = commentPrefixOffset + lineRegion.getLength() + openComment.length();
>+			comment(document, commentPrefixOffset, commentSuffixOffset, openComment, closeComment);
>+		}
>+	}
>+	
>+	/**
>+	 * This method modifies the given document to place the given comment
>+	 * prefix at the given comment prefix offset and the given comment
>+	 * suffix at the given comment suffix offset. In the case of adding
>+	 * a line comment that does not have a suffix, pass <code>null</code>
>+	 * for the comment suffix and it and its associated offset will
>+	 * be ignored.
>+	 * 
>+	 * NOTE: it is a good idea if a model is at hand when calling this to
>+	 * warn the model of an impending update
>+	 * 
>+	 * @param document the document to add the comment to
>+	 * @param commentPrefixOffset the offset of the comment prefix
>+	 * @param commentSuffixOffset the offset of the comment suffix
>+	 * (ignored if <code>commentSuffix</code> is <code>null</code>)
>+	 * @param commentPrefix the prefix of the comment to add at its associated given offset
>+	 * @param commentSuffix the suffix of the comment to add at its associated given offset,
>+	 * or null if there is not suffix to add for this comment
>+	 */
>+	protected void comment(IDocument document, int commentPrefixOffset, int commentSuffixOffset, String commentPrefix, String commentSuffix) {
>+		try {
>+			document.replace(commentPrefixOffset, 0, commentPrefix);
>+			if(commentSuffix != null) {
>+				document.replace(commentSuffixOffset, 0, commentSuffix);
>+			}
>+			removeEnclosedCommentPrefixesAndSuffixes(document, commentPrefixOffset, commentSuffixOffset - commentPrefixOffset, commentPrefix, commentSuffix);
>+		}
>+		catch (BadLocationException e) {
>+			Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+		}
>+	}
>+
>+	/**
>+	 * This method modifies the given document to remove the given comment
>+	 * prefix at the given comment prefix offset and the given comment
>+	 * suffix at the given comment suffix offset. In the case of removing
>+	 * a line comment that does not have a suffix, pass <code>null</code>
>+	 * for the comment suffix and it and its associated offset will
>+	 * be ignored.
>+	 * 
>+	 * NOTE: it is a good idea if a model is at hand when calling this to
>+	 * warn the model of an impending update
>+	 * 
>+	 * @param document the document to remove the comment from
>+	 * @param commentPrefixOffset the offset of the comment prefix
>+	 * @param commentSuffixOffset the offset of the comment suffix
>+	 * (ignored if <code>commentSuffix</code> is <code>null</code>)
>+	 * @param commentPrefix the prefix of the comment to remove from its associated given offset
>+	 * @param commentSuffix the suffix of the comment to remove from its associated given offset,
>+	 * or null if there is not suffix to remove for this comment
>+	 */
>+	protected void uncomment(IDocument document, int commentPrefixOffset, int commentSuffixOffset, String commentPrefix, String commentSuffix) {
>+		try {
>+
>+			document.replace(commentPrefixOffset, commentPrefix.length(), ""); //$NON-NLS-1$
>+			
>+			if(commentSuffix != null) {
>+				document.replace(commentSuffixOffset, commentSuffix.length(), ""); //$NON-NLS-1$
>+			}
>+			
>+			removeEnclosedCommentPrefixesAndSuffixes(document, commentPrefixOffset, commentSuffixOffset - commentPrefixOffset, commentPrefix, commentSuffix);
>+		}
>+		catch (BadLocationException e) {
>+			Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+		}
>+	}
>+	
>+	/**
>+	 * Determines if all of the given typed regions are comment regions.
>+	 * This is useful for deciding if an entire user highlighted region
>+	 * is already commented or not.
>+	 * 
>+	 * @param regions the typed regions to check to see if they are all comment regions
>+	 * @return <code>true</code> if all of the given <code>regions</code> are comment regions
>+	 * <code>false</code> otherwise.
>+	 */
>+	protected boolean isEntireRegionCommented(ITypedRegion[] regions) {
>+		String[] commentTypes = getCommentPartitionTypes();
>+		boolean alreadyCommented = regions.length > 0 && commentTypes.length > 0;
>+		
>+		for(int type = 0; type < regions.length && alreadyCommented; ++type) {
>+			alreadyCommented &= isTypeCommentType(regions[type].getType());
>+		}
>+		
>+		return alreadyCommented;
>+	}
>+	
>+	/**
>+	 * Given typed regions returns a list of only those who's partition type
>+	 * is a comment partition type. This is useful for finding already commented
>+	 * regions in a user selection.
>+	 * 
>+	 * @param typedRegions the regions to find those regions that who's
>+	 * partition type is a comment partition type
>+	 * @return a <code>List</code> of the <code>ITypedRegion</code>s who's type
>+	 * is a comment partition type
>+	 */
>+	protected List getCommentedRegions(ITypedRegion[] typedRegions) {
>+		List commentedRegions = new ArrayList();
>+		
>+		for(int i = 0; i < typedRegions.length; ++i) {
>+			if(isTypeCommentType(typedRegions[i].getType())) {
>+				commentedRegions.add(typedRegions[i]);
>+			}
>+		}
>+		
>+		return commentedRegions;
>+	}
>+	
>+	/**
>+	 * Convince method to determine if the given <code>line</code>
>+	 * starts with any of the given <code>options</code>.
>+	 * 
>+	 * @param line the determine if this starts with any of the given <code>options</code>
>+	 * @param options check to see if the given <code>line</code> starts with any of these
>+	 * @return <code>true</code> if the given <code>line</code>
>+	 * starts with any of the given <code>options</code>, <code>false</code> otherwise.
>+	 */
>+	protected static String startsWith(String line, String[] options) {
>+		String startsWith = null;
>+
>+		for(int i = 0; i < options.length && startsWith == null; ++i) {
>+			if( line.startsWith(options[i])) {
>+				startsWith = options[i];
>+			}
>+		}
>+
>+		return startsWith;
>+	}
>+	
>+	/**
>+	 * Convince method to determine if the given <code>line</code>
>+	 * ends with any of the given <code>options</code>.
>+	 * 
>+	 * @param line the determine if this ends with any of the given <code>options</code>
>+	 * @param options check to see if the given <code>line</code> ends with any of these
>+	 * @return <code>true</code> if the given <code>line</code>
>+	 * ends with any of the given <code>options</code>, <code>false</code> otherwise.
>+	 */
>+	protected static String endsWith(String line, String[] options) {
>+		String endsWith = null;
>+
>+		for(int i = 0; i < options.length && endsWith == null; ++i) {
>+			if(line.endsWith(options[i])) {
>+				endsWith = options[i];
>+			}
>+		}
>+
>+		return endsWith;
>+	}
>+	
>+	/**
>+	 * Get the content of the given <code>region</code> in the given <code>document</code>
>+	 * 
>+	 * @param document get the content of the given <code>region</code> from this
>+	 * @param region get the content of this from the given <code>document</code>
>+	 * @return the content of the given <code>region</code> from the given <code>document</code>
>+	 * @throws BadLocationException if the given <code>region</code> is not in the given <code>document</code>
>+	 */
>+	static protected String getRegionContent(IDocument document, IRegion region) throws BadLocationException {
>+		return document.get(region.getOffset(), region.getLength()).trim();
>+	}
>+	
>+
>+	/**
>+	 * Updates the current user selection in the given <code>textEditor</code>
>+	 * 
>+	 * @param textEditor the text editor to set the user selection in
>+	 * @param selectionPosition the new user selection
>+	 * @param document the document the new user selection is in
>+	 */
>+	protected static void updateCurrentSelection(ITextEditor textEditor, Position selectionPosition, IDocument document) {
>+		// update the selection if text selection changed
>+		if (selectionPosition != null) {
>+			ITextSelection selection = null;
>+
>+			selection = new TextSelection(document, selectionPosition.getOffset(), selectionPosition.getLength());
>+			
>+			ISelectionProvider provider = textEditor.getSelectionProvider();
>+			if (provider != null) {
>+				provider.setSelection(selection);
>+			}
>+			document.removePosition(selectionPosition);
>+		}
>+	}
>+	
>+	/**
>+	 * When commenting a region it is best to remove any already existing comments
>+	 * of the same comment format that will be inclosed by the region to be commented
>+	 * to avoid any overlap that may cause a comment to start or more likely end early.
>+	 * Thus the purpose of this method given an offset and a length will remove all
>+	 * occurrences of the given comment prefix and suffix from the range. The
>+	 * given offset should be the offset of where the new comment starts, the method
>+	 * will automatically leave the surrounding comment prefix and suffix.
>+	 * 
>+	 * @param document the document to remove any extra comment prefixes or suffixes from
>+	 * @param commentPrefixOffset the offset of the newly added comment prefix
>+	 * @param commentLength the length of the newly commented region(including the newly added comment suffix)
>+	 * @param commentPrefix the comment prefix that should be removed if found in the newly commented range
>+	 * @param commentSuffix the comment suffix that should be removed if found in the newly commented range. 
>+	 * This can be null if there is no comment suffix for this type of comment.
>+	 */
>+	private void removeEnclosedCommentPrefixesAndSuffixes(IDocument document, int commentPrefixOffset, int commentLength, String commentPrefix, String commentSuffix) {
>+		try {
>+			
>+			int innerOffset = commentPrefixOffset;
>+			int innerLength = commentLength;
>+			
>+			//adjust the offset for the surrounding comment prefix
>+			innerOffset += commentPrefix.length();
>+			
>+			
>+			//adjust the length for the surrounding comment suffix if there is one
>+			if(commentSuffix != null) {
>+				innerLength -= commentSuffix.length();
>+			}
>+			
>+			int adjustedLength = innerLength;
>+			String string;
>+			int index;
>+			
>+			// remove enclosed comment prefixes
>+			string = document.get(innerOffset, innerLength);
>+			index = string.lastIndexOf(commentPrefix);
>+			while (index != -1) {
>+				document.replace(innerOffset + index, commentPrefix.length(), ""); //$NON-NLS-1$
>+				index = string.lastIndexOf(commentPrefix, index - 1);
>+				adjustedLength -= commentPrefix.length();
>+			}
>+
>+			// remove enclosed comment suffixes
>+			if(commentSuffix != null) {
>+				string = document.get(innerOffset, adjustedLength);
>+				index = string.lastIndexOf(commentSuffix);
>+				while (index != -1) {
>+					document.replace(innerOffset + index, commentSuffix.length(), ""); //$NON-NLS-1$
>+					index = string.lastIndexOf(commentSuffix, index - 1);
>+				}
>+			}
>+		}
>+		catch (BadLocationException e) {
>+			Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
>+		}
>+	}
>+	
>+	/**
>+	 * Gets the current user selection in the given <code>textEditor</code>
>+	 * 
>+	 * @param textEditor get the user selection from here
>+	 * @return the current user selection in <code>textEdtior</code>
>+	 */
>+	private ITextSelection getCurrentSelection(ITextEditor textEditor) {
>+		ISelectionProvider provider = textEditor.getSelectionProvider();
>+		if (provider != null) {
>+			ISelection selection = provider.getSelection();
>+			if (selection instanceof ITextSelection) {
>+				return (ITextSelection) selection;
>+			}
>+		}
>+		return TextSelection.emptySelection();
>+	}
>+	
>+	/**
>+	 * Determine if the given partition type is a comment partition type
>+	 * 
>+	 * @param type check to see if this partition type is a comment partition type
>+	 * @return <code>true</code> if the given <code>type</code> is a comment partition type,
>+	 * <code>false</code> otherwise.
>+	 */
>+	private boolean isTypeCommentType(String type) {
>+		String[] commentTypes = getCommentPartitionTypes();
>+		boolean isCommentType = false;
>+		
>+		for(int commentType = 0; commentType < commentTypes.length && !isCommentType; ++commentType) {
>+			isCommentType |= (type == commentTypes[commentType]);
>+		}
>+		
>+		return isCommentType;
>+	}
>+}

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Attachments on bug 86520: 140629 | 140906 | 146755 | 147138 | 159026 | 159376 | 160677 | 160843 | 160936 | 160938 | 166769 | 178931