/******************************************************************************* | |
* Copyright (c) 2005, 2012 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.bpel.ui.commands; | |
import java.util.List; | |
import org.eclipse.bpel.ui.commands.util.AutoUndoCommand; | |
import org.eclipse.emf.ecore.EObject; | |
/** | |
* Subclasses of this command replace a model object in a list with a different model object. | |
* | |
* (For example, ReplacePropertyCommand is used to replace one of the properties in a | |
* CorrelationSet with a different property). | |
*/ | |
public abstract class ReplaceInListCommand extends AutoUndoCommand { | |
protected EObject target; | |
protected Object oldElement, newElement; | |
protected int index; | |
public ReplaceInListCommand(EObject target, Object oldElement, Object newElement, String cmdLabel) { | |
super(cmdLabel, target); | |
this.target = target; | |
this.oldElement = oldElement; | |
this.newElement = newElement; | |
} | |
/** | |
* Subclasses should override this to return the intended list. | |
*/ | |
protected abstract List getList(); | |
@Override | |
public boolean canDoExecute() { | |
return true; // !getList().contains(newElement) | |
} | |
@Override | |
public void doExecute() { | |
index = getList().indexOf(oldElement); | |
getList().set(index, newElement); | |
} | |
} |