| /******************************************************************************* |
| * 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.IHandler; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextSelection; |
| 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.IndexedRegion; |
| import org.eclipse.wst.xml.core.internal.document.CommentImpl; |
| import org.eclipse.wst.xml.ui.internal.Logger; |
| import org.eclipse.wst.xml.ui.internal.XMLUIMessages; |
| |
| public class AddBlockCommentHandler extends CommentHandler implements IHandler { |
| |
| public AddBlockCommentHandler() { |
| super(); |
| } |
| |
| void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) { |
| IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document); |
| if (model != null) { |
| try { |
| IndexedRegion selectionStartIndexedRegion = model.getIndexedRegion(textSelection.getOffset()); |
| IndexedRegion selectionEndIndexedRegion = model.getIndexedRegion(textSelection.getOffset() + textSelection.getLength()); |
| |
| if (selectionStartIndexedRegion == null) { |
| return; |
| } |
| if ((selectionEndIndexedRegion == null) && (textSelection.getLength() > 0)) { |
| selectionEndIndexedRegion = model.getIndexedRegion(textSelection.getOffset() + textSelection.getLength() - 1); |
| } |
| if (selectionEndIndexedRegion == null) { |
| return; |
| } |
| |
| int openCommentOffset = selectionStartIndexedRegion.getStartOffset(); |
| int closeCommentOffset = selectionEndIndexedRegion.getEndOffset() + OPEN_COMMENT.length(); |
| |
| if ((textSelection.getLength() == 0) && (selectionStartIndexedRegion instanceof CommentImpl)) { |
| return; |
| } |
| |
| model.beginRecording(this, XMLUIMessages.AddBlockComment_tooltip); |
| model.aboutToChangeModel(); |
| |
| try { |
| document.replace(openCommentOffset, 0, OPEN_COMMENT); |
| document.replace(closeCommentOffset, 0, CLOSE_COMMENT); |
| super.removeOpenCloseComments(document, openCommentOffset + OPEN_COMMENT.length(), closeCommentOffset - openCommentOffset - CLOSE_COMMENT.length()); |
| } |
| catch (BadLocationException e) { |
| Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); |
| } |
| finally { |
| model.changedModel(); |
| model.endRecording(this); |
| } |
| } |
| finally { |
| model.releaseFromEdit(); |
| } |
| } |
| } |
| } |