| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.gef.commands; |
| |
| /** |
| * A Command which can never be executed |
| */ |
| public final class UnexecutableCommand extends Command { |
| |
| /** |
| * The singleton instance |
| */ |
| public static final UnexecutableCommand INSTANCE = new UnexecutableCommand(); |
| |
| private UnexecutableCommand() { |
| } |
| |
| /** |
| * @return <code>false</code> |
| */ |
| public boolean canExecute() { |
| return false; |
| } |
| |
| /** |
| * @return <code>false</code> |
| */ |
| public boolean canUndo() { |
| return false; |
| } |
| |
| } |
