| /******************************************************************************* |
| * Copyright (c) 2003, 2005 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.common.internal.emfworkbench.edit; |
| |
| |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.wst.common.internal.emfworkbench.integration.AbstractEditModelCommand; |
| import org.eclipse.wst.common.internal.emfworkbench.integration.EditModelCommand; |
| |
| /** |
| * Insert the type's description here. Creation date: (05/22/01 8:58:24 AM) |
| * |
| * @author: Administrator |
| */ |
| public class InvertedCommand extends AbstractEditModelCommand { |
| public InvertedCommand(Command targetCommand) { |
| super(targetCommand); |
| } |
| |
| public boolean canExecute() { |
| return getTarget().canUndo(); |
| } |
| |
| public boolean canUndo() { |
| return getTarget().canExecute(); |
| } |
| |
| /** |
| * Does nothing |
| */ |
| public void execute() { |
| //does nothing |
| } |
| |
| /** |
| * getEditModelCommand method comment. |
| */ |
| public EditModelCommand getEditModelCommand() { |
| return ((AbstractEditModelCommand) getTarget()).getEditModelCommand(); |
| } |
| |
| protected int inversionDepth() { |
| if (getEditModelCommand() == getTarget()) |
| return 1; |
| return ((InvertedCommand) getTarget()).inversionDepth() + 1; |
| } |
| |
| protected String labelPrefix() { |
| return inversionDepth() % 2 == 1 ? "Undo " : "Redo ";//$NON-NLS-2$//$NON-NLS-1$ |
| } |
| |
| public void redo() { |
| getTarget().undo(); |
| } |
| |
| public void undo() { |
| getTarget().redo(); |
| } |
| } |