| /****************************************************************************** |
| * Copyright (c) 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.gmf.runtime.emf.type.core.commands; |
| |
| import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest; |
| |
| /** |
| * Command to set the value of a feature of a model element. The model element |
| * is not known at the time of command construction. Subclasses can override |
| * {@link #getElementToEdit()} to compute or find the elementToEdit. |
| * |
| * @author ldamus |
| */ |
| public class DeferredSetValueCommand extends SetValueCommand { |
| |
| /** |
| * Constructs a new command. |
| * |
| * @param request |
| * the set value request |
| */ |
| public DeferredSetValueCommand(SetRequest request) { |
| super(request); |
| } |
| |
| /** |
| * Always executable when we can't get the elementToEdit. |
| */ |
| public boolean canExecute() { |
| |
| if (getElementToEdit() == null) { |
| return true; |
| } |
| return super.canExecute(); |
| } |
| } |