| /******************************************************************************* |
| * 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); |
| } |
| } |