| /* |
| * Copyright (c) 2003, 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 - initial API and implementation |
| * |
| * $Id: SupersetRemoveCommand.java,v 1.3 2006/03/01 17:11:12 khussey Exp $ |
| */ |
| package org.eclipse.uml2.common.edit.command; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EReference; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.edit.command.RemoveCommand; |
| import org.eclipse.emf.edit.command.SetCommand; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| |
| /** |
| * |
| */ |
| public class SupersetRemoveCommand |
| extends SupersetCommand { |
| |
| protected final Collection collection; |
| |
| public SupersetRemoveCommand(EditingDomain domain, EObject owner, |
| EStructuralFeature feature, EStructuralFeature[] subsetFeatures, |
| Collection collection) { |
| super(domain, owner, feature, subsetFeatures, new RemoveCommand(domain, |
| owner, feature, collection)); |
| |
| this.collection = collection; |
| } |
| |
| /** |
| * @see org.eclipse.emf.common.command.Command#execute() |
| */ |
| public void execute() { |
| |
| if (subsetFeatures != null) { |
| |
| for (Iterator elements = collection.iterator(); elements.hasNext();) { |
| Object element = elements.next(); |
| |
| for (int i = 0; i < subsetFeatures.length; i++) { |
| |
| if (subsetFeatures[i].isMany()) { |
| |
| if (((EList) owner.eGet(subsetFeatures[i])) |
| .contains(element)) { |
| |
| appendAndExecute(RemoveCommand.create(domain, |
| owner, subsetFeatures[i], Collections |
| .singleton(element))); |
| } |
| } else { |
| |
| if (element == owner.eGet(subsetFeatures[i])) { |
| EReference subsetReference = (EReference) subsetFeatures[i]; |
| |
| appendAndExecute(subsetReference.isContainer() |
| && !subsetReference.getEOpposite().isMany() |
| ? new SetCommand(domain, owner, |
| subsetFeatures[i], null) |
| : SetCommand.create(domain, owner, |
| subsetFeatures[i], null)); |
| } |
| } |
| } |
| } |
| } |
| |
| super.execute(); |
| } |
| |
| } |