| /******************************************************************************* |
| * 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.common.ui.editmodel.AbstractEditModelCommand; |
| import org.eclipse.bpel.model.adapters.INamespaceMap; |
| import org.eclipse.bpel.model.util.BPELUtils; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.resource.Resource; |
| |
| |
| /** |
| * Generic "model-setting" command. Subclasses only need to implement get() and set() |
| * in terms of the particular model property they set. |
| */ |
| public class SetNamespaceMappingCommand extends AbstractEditModelCommand { |
| |
| |
| /** Target */ |
| protected EObject fTarget; |
| String fNamespace; |
| String fPrefix; |
| String fPreviousNS; |
| |
| |
| /** |
| * Brand new shiny SetNamespaceMappingCommand command. |
| * |
| * @param aTarget the target EMF object |
| * @param ns the namespace |
| * @param prefix the prefix. |
| */ |
| |
| public SetNamespaceMappingCommand (EObject aTarget, String ns, String prefix ) { |
| fTarget = aTarget; |
| fNamespace = ns; |
| fPrefix = prefix; |
| } |
| |
| /** |
| * @see org.eclipse.gef.commands.Command#canExecute() |
| */ |
| @Override |
| public boolean canExecute() { |
| return BPELUtils.isValidPrefixName(fPrefix); |
| } |
| |
| |
| /** |
| * @see org.eclipse.gef.commands.Command#dispose() |
| */ |
| @Override |
| public void dispose() { |
| fTarget = null; |
| fPrefix = null; |
| fNamespace = null; |
| super.dispose(); |
| } |
| |
| |
| /** |
| * @see org.eclipse.gef.commands.Command#execute() |
| */ |
| @Override |
| public void execute() { |
| INamespaceMap<String, String> nsMap = BPELUtils.getNamespaceMap(fTarget); |
| fPreviousNS = nsMap.put(fPrefix, fNamespace); |
| } |
| |
| |
| /** |
| * @see org.eclipse.gef.commands.Command#undo() |
| */ |
| @Override |
| public void undo() { |
| INamespaceMap<String, String> nsMap = BPELUtils.getNamespaceMap(fTarget); |
| if (fPreviousNS == null) { |
| nsMap.remove(fPrefix); |
| } else { |
| nsMap.put(fPrefix,fPreviousNS); |
| } |
| } |
| |
| /** |
| * @see org.eclipse.bpel.common.ui.editmodel.AbstractEditModelCommand#getModifiedResources() |
| */ |
| @Override |
| public Resource[] getModifiedResources() { |
| |
| Resource resource = fTarget.eResource(); |
| if (resource != null) { |
| return new Resource[] { resource }; |
| } |
| return EMPTY_RESOURCE_ARRAY; |
| } |
| |
| |
| } |