| /******************************************************************************* |
| * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) 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: |
| * Soyatec - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.xwt.tools.ui.designer.editor.outline.commands; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.xwt.tools.ui.palette.Entry; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.gef.commands.CompoundCommand; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.xwt.tools.ui.designer.commands.AddNewChildCommand; |
| import org.eclipse.xwt.tools.ui.designer.commands.DeleteCommand; |
| import org.eclipse.xwt.tools.ui.designer.editor.palette.CreateReqHelper; |
| import org.eclipse.xwt.tools.ui.designer.editor.palette.EntryHelper; |
| import org.eclipse.xwt.tools.ui.xaml.XamlNode; |
| |
| /** |
| * @author jliu (jin.liu@soyatec.com) |
| */ |
| public class MoveOnCommand extends MoveCommand { |
| |
| public MoveOnCommand(IStructuredSelection source, Object target, int operation) { |
| super(source, target, operation); |
| } |
| |
| @Override |
| public boolean canExecute() { |
| boolean canExecute = super.canExecute(); |
| if (!canExecute) { |
| return false; |
| } |
| |
| IStructuredSelection sourceNodes = getSource(); |
| for (Iterator iterator = sourceNodes.iterator(); iterator.hasNext();) { |
| Object element = iterator.next(); |
| XamlNode sourceNode = null; |
| if (element instanceof Entry) { |
| continue; |
| } |
| else if (!(element instanceof XamlNode)) { |
| return false; |
| } |
| else { |
| sourceNode = (XamlNode) element; |
| XamlNode sourceParent = sourceNode.getParent(); |
| if (sourceParent == null) { |
| return false; |
| } |
| if (sourceParent == getTarget()) { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.xwt.tools.ui.designer.editor.outline.commands.MoveAfterCommand#collectCommands(org.eclipse.gef.commands.CompoundCommand) |
| */ |
| protected void collectCommands(CompoundCommand command) { |
| IStructuredSelection sourceNodes = getSource(); |
| XamlNode target = getTarget(); |
| for (Iterator iterator = sourceNodes.iterator(); iterator.hasNext();) { |
| Object element = iterator.next(); |
| XamlNode sourceNode = null; |
| if (element instanceof Entry) { |
| sourceNode = EntryHelper.getNode((Entry) element); |
| } |
| else { |
| sourceNode = (XamlNode) element; |
| } |
| if (CreateReqHelper.canCreate(target, sourceNode)) { |
| XamlNode newChild = null; |
| if (sourceNode.eContainer() != null) { |
| newChild = (XamlNode) EcoreUtil.copy(sourceNode); |
| } else { |
| newChild = sourceNode; |
| } |
| command.add(new AddNewChildCommand(target, newChild)); |
| if (isMove() && sourceNode.eContainer() != null) { |
| command.add(new DeleteCommand(sourceNode)); |
| } |
| } |
| } |
| } |
| } |