/*******************************************************************************
* Copyright (c) 2004, 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.jsf.facesconfig.ui.pageflow.command;
/**
* Delete a connection.
*
* @author hmeng
*
*/
public class DeleteConnectionCommand extends ConnectionCommand {
public boolean canExecute() {
return link != null;
}
protected void doExecute() {
// It is a delete connection command
if (link != null) {
link.setSource(null);
link.setTarget(null);
oldSource.getPageflow().getLinks().remove(link);
link.eAdapters().clear();
}
}
public void undo() {
// It is a delete connection command
if (canExecute()) {
link.setSource(oldSource);
link.setTarget(oldTarget);
oldSource.getPageflow().getLinks().add(link);
}
}
}