/*******************************************************************************
* 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 org.eclipse.bpel.ui.adapters.IContainer;
import org.eclipse.bpel.ui.commands.util.AutoUndoCommand;
import org.eclipse.bpel.ui.util.BPELUtil;
import org.eclipse.emf.ecore.EObject;
/**
* @author IBM Original Contribution.
* @author Michal Chmielewski (michal.chmielewski@oracle.com)
* @date Aug 16, 2007
*/
public class OrphanChildCommand extends AutoUndoCommand {
private EObject fChild;
private EObject fParent;
private IContainer<EObject> fContainer;
/**
* Brand new shiny OrphanChildCommand.
* @param child
*/
public OrphanChildCommand (EObject child) {
super(child.eContainer());
fChild = child;
fParent = child.eContainer();
fContainer = BPELUtil.adapt(fParent, IContainer.class);
}
/**
* @see org.eclipse.bpel.ui.commands.util.AutoUndoCommand#canDoExecute()
*/
@Override
public boolean canDoExecute() {
if (fChild == null || fParent == null || fContainer == null) {
return false;
}
return true;
}
/**
* @see org.eclipse.bpel.ui.commands.util.AutoUndoCommand#doExecute()
*/
@Override
public void doExecute() {
if (!canExecute()) {
throw new IllegalStateException();
}
fContainer.removeChild(fParent, fChild);
}
}