| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.ui.actions; |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate2; |
| |
| /** |
| * Abstract base implementation of <code>IActionDelegate</code> and |
| * <code>IActionDelegate2</code> for a client delegate action. |
| * <p> |
| * Subclasses should reimplement <code>runWithEvent</code> or <code>run</code> |
| * methods to do the action's work, and may reimplement |
| * <code>selectionChanged</code> to react to selection changes in the workbench. |
| * </p> |
| */ |
| public abstract class ActionDelegate implements IActionDelegate2 { |
| /** |
| * The <code>ActionDelegate</code> implementation of this |
| * <code>IActionDelegate</code> method does nothing. Subclasses may |
| * reimplement. |
| * <p> |
| * <b>Note:</b> This method is not called directly by the proxy action. Only |
| * by the default implementation of <code>runWithEvent</code> of this |
| * abstract class. |
| */ |
| public void run(IAction action) { |
| } |
| |
| /** |
| * The <code>ActionDelegate</code> implementation of this |
| * <code>IActionDelegate</code> method does nothing. Subclasses may |
| * reimplement. |
| */ |
| public void selectionChanged(IAction action, ISelection selection) { |
| } |
| |
| /** |
| * The <code>ActionDelegate</code> implementation of this |
| * <code>IActionDelegate2</code> method does nothing. Subclasses may |
| * reimplement. |
| */ |
| public void init(IAction action) { |
| } |
| |
| /** |
| * The <code>ActionDelegate</code> implementation of this |
| * <code>IActionDelegate2</code> method does nothing. Subclasses may |
| * reimplement. |
| */ |
| public void dispose() { |
| } |
| |
| /** |
| * The <code>ActionDelegate</code> implementation of this |
| * <code>IActionDelegate2</code> method redirects to the <code>run</code> |
| * method. Subclasses may reimplement. |
| */ |
| public void runWithEvent(IAction action, Event event) { |
| run(action); |
| } |
| } |