| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.commands.range; |
| |
| import org.eclipse.jst.pagedesigner.commands.CommandResources; |
| import org.eclipse.jst.pagedesigner.commands.nav.ICaretPositionMover; |
| import org.eclipse.jst.pagedesigner.dom.DOMRange; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| |
| /** |
| * @author mengbo |
| */ |
| public class DeleteCommand extends RangeModeCommand implements |
| ICaretPositionMover { |
| private boolean _forward; |
| |
| /** |
| * @param forward |
| * @param viewer |
| */ |
| public DeleteCommand(boolean forward, IHTMLGraphicalViewer viewer) { |
| super(CommandResources.getString("DeleteCommand.Label.Delete"), viewer); //$NON-NLS-1$ |
| _forward = forward; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute() |
| */ |
| protected DOMRange doRangeExecute(DOMRange selection) { |
| if (selection == null) { |
| return null; |
| } |
| |
| DesignEdit edit = new DeleteEdit(selection, getViewer(), _forward); |
| Listener listener = new Listener() { |
| public void handleEvent(Event event) { |
| event.type = SWT.NONE; |
| } |
| }; |
| getViewer().getControl().getDisplay() |
| .addFilter(SWT.Selection, listener); |
| boolean status = edit.perform(); |
| getViewer().getControl().getDisplay().removeFilter(SWT.Selection, |
| listener); |
| if (status) { |
| return new DOMRange(edit.getOperationPosition(), edit |
| .getOperationPosition()); |
| } |
| return selection; |
| } |
| } |