/*******************************************************************************
* Copyright (c) 2005, 2006 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.xml.ui.internal.actions;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextSelection;
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;
/**
* Add block comment action delegate for XML editor
*/
public class AddBlockCommentActionXMLDelegate extends AbstractCommentActionXMLDelegate {
public void init(IAction action) {
if (action != null) {
action.setText(XMLUIMessages.AddBlockComment_label);
action.setToolTipText(XMLUIMessages.AddBlockComment_tooltip);
action.setDescription(XMLUIMessages.AddBlockComment_description);
}
}
void processAction(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);
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();
}
}
}
}