| /******************************************************************************* |
| * 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.css.ui.internal.handlers; |
| |
| 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.css.core.internal.parserz.CSSRegionContexts; |
| import org.eclipse.wst.css.ui.internal.Logger; |
| 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.IStructuredDocument; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; |
| import org.eclipse.wst.css.ui.internal.CSSUIMessages; |
| |
| public class RemoveBlockCommentHandler extends AbstractCommentHandler { |
| |
| protected void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) { |
| IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document); |
| if (model != null && document instanceof IStructuredDocument) { |
| try { |
| IStructuredDocument doc = (IStructuredDocument) document; |
| IStructuredDocumentRegion startRegion = doc.getRegionAtCharacterOffset(textSelection.getOffset()); |
| IStructuredDocumentRegion endRegion = doc.getRegionAtCharacterOffset(textSelection.getOffset() + textSelection.getLength()); |
| |
| if ((startRegion == null) || (endRegion == null)) { |
| return; |
| } |
| |
| int openCommentOffset = startRegion.getStartOffset(); |
| int closeCommentOffset = endRegion.getEndOffset() - OPEN_COMMENT.length() - CLOSE_COMMENT.length(); |
| |
| model.beginRecording(this, CSSUIMessages.RemoveBlockComment_tooltip); |
| model.aboutToChangeModel(); |
| |
| try { |
| if (textSelection.getLength() == 0) { |
| if (startRegion.getType() == CSSRegionContexts.CSS_COMMENT) { |
| document.replace(openCommentOffset, OPEN_COMMENT.length(), ""); //$NON-NLS-1$ |
| document.replace(closeCommentOffset, CLOSE_COMMENT.length(), ""); //$NON-NLS-1$ |
| } |
| } |
| else { |
| if (startRegion.getType() == CSSRegionContexts.CSS_COMMENT) { |
| document.replace(openCommentOffset, OPEN_COMMENT.length(), ""); //$NON-NLS-1$ |
| } |
| |
| if (endRegion.getType() == CSSRegionContexts.CSS_COMMENT) { |
| document.replace(closeCommentOffset, CLOSE_COMMENT.length(), ""); //$NON-NLS-1$ |
| } |
| } |
| 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(); |
| } |
| } |
| } |
| |
| } |