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/*******************************************************************************
* Copyright (c) 2000, 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.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 IActionDelegate and
* IActionDelegate2 for a client delegate action.
*
* Subclasses should reimplement runWithEvent or run
* methods to do the action's work, and may reimplement
* selectionChanged to react to selection changes in the workbench.
*
*/
public abstract class ActionDelegate implements IActionDelegate2 {
/**
* The ActionDelegate implementation of this
* IActionDelegate method does nothing. Subclasses may
* reimplement.
*
* Note: This method is not called directly by the proxy action. Only
* by the default implementation of runWithEvent of this
* abstract class.
*/
@Override
public void run(IAction action) {
}
/**
* The ActionDelegate implementation of this
* IActionDelegate method does nothing. Subclasses may
* reimplement.
*/
@Override
public void selectionChanged(IAction action, ISelection selection) {
}
/**
* The ActionDelegate implementation of this
* IActionDelegate2 method does nothing. Subclasses may
* reimplement.
*/
@Override
public void init(IAction action) {
}
/**
* The ActionDelegate implementation of this
* IActionDelegate2 method does nothing. Subclasses may
* reimplement.
*/
@Override
public void dispose() {
}
/**
* The ActionDelegate implementation of this
* IActionDelegate2 method redirects to the run
* method. Subclasses may reimplement.
*/
@Override
public void runWithEvent(IAction action, Event event) {
run(action);
}
}