| /****************************************************************************** |
| * Copyright (c) 2004, 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 Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.diagram.ui.editpolicies; |
| |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| |
| import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy; |
| import org.eclipse.gmf.runtime.diagram.ui.commands.OpenDiagramCommand; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; |
| import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| import org.eclipse.gmf.runtime.notation.View; |
| |
| /** |
| * Edit Policy which opens the diagram corresponding to the host's semantic model. |
| * |
| * @author jcorchis |
| */ |
| public class OpenDiagramEditPolicy extends OpenEditPolicy { |
| |
| /** |
| * Returns a Command to open a diagram for the given NalDiagramView. |
| * @return Command |
| * @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.OpenEditPolicy#getOpenCommand(org.eclipse.gef.Request) |
| */ |
| protected Command getOpenCommand(Request request) { |
| EditPart targetEditPart = getTargetEditPart(request); |
| if (targetEditPart instanceof IGraphicalEditPart) { |
| IGraphicalEditPart editPart = (IGraphicalEditPart)targetEditPart; |
| View view = editPart.getNotationView(); |
| if (view !=null){ |
| EObject element = ViewUtil.resolveSemanticElement(view); |
| if (element instanceof Diagram) { |
| return new ICommandProxy( |
| new OpenDiagramCommand(element)); |
| } |
| } |
| } |
| return null; |
| } |
| |
| } |