| /******************************************************************************* |
| * Copyright (c) 2006 The Regents of the University of California. |
| * This material was produced under U.S. Government contract W-7405-ENG-36 |
| * for Los Alamos National Laboratory, which is operated by the University |
| * of California for the U.S. Department of Energy. The U.S. Government has |
| * rights to use, reproduce, and distribute this software. NEITHER THE |
| * GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR |
| * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified |
| * to produce derivative works, such modified software should be clearly marked, |
| * so as not to confuse it with the version available from LANL. |
| * |
| * Additionally, 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 |
| * |
| * LA-CC 04-115 |
| *******************************************************************************/ |
| package org.eclipse.ptp.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ptp.core.elements.IResourceManager; |
| import org.eclipse.ptp.rmsystem.IResourceManagerMenuContribution; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IWorkbenchPart; |
| |
| public abstract class AbstractResourceManagerSelectionActionDelegate implements |
| IObjectActionDelegate, IActionDelegate2 { |
| |
| private Shell targetShell; |
| |
| private List<IResourceManagerMenuContribution> menuContribs = |
| new ArrayList<IResourceManagerMenuContribution>(); |
| |
| public void dispose() { |
| menuContribs.clear(); |
| } |
| |
| public void init(IAction action) { |
| } |
| |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| |
| public void selectionChanged(IAction action, ISelection selection) { |
| IStructuredSelection ss = (IStructuredSelection) selection; |
| menuContribs.clear(); |
| menuContribs.addAll(ss.toList()); |
| |
| boolean isEnabled = isEnabled(); |
| action.setEnabled(isEnabled); |
| } |
| |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) { |
| targetShell = targetPart.getSite().getShell(); |
| } |
| |
| protected List<IResourceManagerMenuContribution> getMenuContribs() { |
| return menuContribs; |
| } |
| |
| protected Shell getTargetShell() { |
| return targetShell; |
| } |
| |
| /** |
| * @return |
| */ |
| protected boolean isEnabled() { |
| if (menuContribs.size() == 0) { |
| return false; |
| } |
| boolean isEnabled = true; |
| for (IResourceManagerMenuContribution menuContrib : menuContribs) { |
| final IResourceManager rmManager = |
| (IResourceManager) menuContrib.getAdapter(IResourceManager.class); |
| if (rmManager == null) { |
| return false; |
| } |
| if (!isEnabledFor(rmManager)) { |
| isEnabled = false; |
| break; |
| } |
| } |
| return isEnabled; |
| } |
| |
| /** |
| * @param rmManager |
| * @return - is this rmManager allowed with this action |
| */ |
| protected abstract boolean isEnabledFor(IResourceManager rmManager); |
| } |