| /******************************************************************************* |
| * Copyright (c) 2005, 2009 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 implementation |
| *******************************************************************************/ |
| package org.eclipse.epf.diagram.core.actions; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.gmf.runtime.common.ui.action.AbstractActionHandler; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.actions.ActionFactory; |
| |
| /** |
| * IAction to delegate to IObjectActionDelegate. |
| * @author Shashidhar Kannoori |
| */ |
| public class DelegateAction extends AbstractActionHandler { |
| |
| private IActionDelegate delegate; |
| private IWorkbenchPart part; |
| |
| public DelegateAction(IWorkbenchPage page) { |
| super(page.getActivePart()); |
| this.part = page.getActivePart(); |
| } |
| /** |
| * |
| */ |
| public DelegateAction(IWorkbenchPart part, String id) { |
| //super(text); |
| super(part); |
| this.part = part; |
| createDelegate(id); |
| } |
| |
| @Override |
| public void run() { |
| runWithEvent(null); |
| } |
| @Override |
| public void runWithEvent(Event event) { |
| if(delegate != null){ |
| refresh(); |
| delegate.run(this); |
| } |
| // Reset action and delegate actions, because selectionChanged listeners don't notify here. |
| if(delegate instanceof ActionDelegate){ |
| ((ActionDelegate)delegate).setEnabled(true); |
| } |
| setEnabled(true); |
| } |
| |
| @Override |
| protected void doRun(IProgressMonitor progressMonitor) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| public void refresh() { |
| ISelection selection = part.getSite().getSelectionProvider().getSelection(); |
| if(selection == null){ |
| selection = StructuredSelection.EMPTY; |
| } |
| delegate.selectionChanged(this, selection); |
| } |
| |
| private void createDelegate(String id){ |
| if(id.equals(ActionFactory.DELETE.getId())){ |
| delegate = new DeleteElementActionDelegate(this,part); |
| } |
| } |
| @Override |
| public boolean isEnabled() { |
| refresh(); |
| return ((ActionDelegate)delegate).isEnabled(); |
| } |
| |
| } |