| /******************************************************************************* |
| * 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.Messages; |
| import org.eclipse.bpel.ui.commands.util.AutoUndoCommand; |
| import org.eclipse.bpel.ui.util.ModelHelper; |
| import org.eclipse.wst.wsdl.ExtensibilityElement; |
| import org.eclipse.wst.wsdl.ExtensibleElement; |
| |
| /** |
| * Used to add or remove an ExtensibilityElement from a target model object. |
| * |
| * NOTE: this should ONLY be used when the target only supports a single instance of the |
| * ExtensibilityElement. |
| */ |
| public class SetExtensibilityElementCommand extends AutoUndoCommand { |
| |
| int oldIndex; |
| boolean initialized = false; |
| |
| ExtensibleElement target; |
| ExtensibilityElement oldExtension; |
| ExtensibilityElement newExtension; |
| Class clazz; |
| |
| public SetExtensibilityElementCommand(ExtensibleElement target, Class clazz, |
| ExtensibilityElement newExtension) |
| { |
| super(target); |
| this.target = target; |
| this.newExtension = newExtension; |
| this.clazz = clazz; |
| setLabel(Messages.SetExtensibilityElementCommand_Change_1); |
| } |
| |
| protected void initValues() { |
| if (initialized) return; |
| oldExtension = ModelHelper.getExtensibilityElement(target, clazz); |
| initialized = true; |
| } |
| |
| @Override |
| public boolean canDoExecute() { |
| initValues(); |
| return true; |
| //return (oldExtension != newExtension); |
| } |
| |
| @Override |
| public void doExecute() { |
| initValues(); |
| if (oldExtension != null) { |
| oldIndex = target.getEExtensibilityElements().indexOf(oldExtension); |
| target.getEExtensibilityElements().remove(oldIndex); |
| } |
| if (newExtension != null) target.getEExtensibilityElements().add(newExtension); |
| } |
| } |