| /******************************************************************************* |
| * 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.policies.layout; |
| |
| import org.eclipse.xwt.metadata.IMetaclass; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.EditPolicy; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.editpolicies.LayoutEditPolicy; |
| import org.eclipse.gef.requests.CreateRequest; |
| import org.eclipse.swt.widgets.Item; |
| import org.eclipse.xwt.tools.ui.designer.commands.AttachedPropertyCreateCommand; |
| import org.eclipse.xwt.tools.ui.designer.commands.DefaultCreateCommand; |
| import org.eclipse.xwt.tools.ui.designer.editor.palette.CreateReqHelper; |
| import org.eclipse.xwt.tools.ui.designer.parts.StackableEditPart; |
| import org.eclipse.xwt.tools.ui.designer.policies.NewNonResizeEditPolicy; |
| import org.eclipse.xwt.tools.ui.designer.utils.XWTUtility; |
| import org.eclipse.xwt.tools.ui.xaml.XamlNode; |
| |
| /** |
| * @author jin.liu (jin.liu@soyatec.com) |
| * |
| */ |
| public class StackableLayoutEditPolicy extends LayoutEditPolicy { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.gef.editpolicies.LayoutEditPolicy#createChildEditPolicy(org |
| * .eclipse.gef.EditPart) |
| */ |
| protected EditPolicy createChildEditPolicy(EditPart child) { |
| return new NewNonResizeEditPolicy(false); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.gef.editpolicies.LayoutEditPolicy#getCreateCommand(org.eclipse |
| * .gef.requests.CreateRequest) |
| */ |
| protected Command getCreateCommand(CreateRequest request) { |
| StackableEditPart host = (StackableEditPart) getHost(); |
| CreateReqHelper helper = new CreateReqHelper(request); |
| XamlNode newObject = helper.getNewObject(); |
| if (newObject == null) { |
| return null; |
| } |
| IMetaclass metaclass = XWTUtility.getMetaclass(newObject); |
| if (metaclass == null) { |
| return null; |
| } |
| if (Item.class.isAssignableFrom(metaclass.getType())) { |
| return new DefaultCreateCommand(host, request); |
| } else { |
| return new AttachedPropertyCreateCommand(host.getPopItemPart(), |
| request, "control"); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.gef.editpolicies.LayoutEditPolicy#getMoveChildrenCommand( |
| * org.eclipse.gef.Request) |
| */ |
| protected Command getMoveChildrenCommand(Request request) { |
| return null; |
| } |
| |
| } |