/*******************************************************************************
* 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.ui.internal.handlers;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchWindow;
/**
* A handler that can be used to imitate a IWorkbenchWindowActionDelegate.
*
* @since 3.1
*/
public abstract class WorkbenchWindowHandlerDelegate extends
ExecutableExtensionHandler implements IWorkbenchWindowHandlerDelegate {
/**
* By default, this will do nothing. Subclasses may override.
*
* @param window
* the window that provides the context for this delegate
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(IWorkbenchWindow)
*/
public void init(final IWorkbenchWindow window) {
// Do nothing by default.
}
/**
* This simply calls execute with a <code>null</code> map of parameter
* values. If an <code>ExecutionException</code> occurs, then this should
* be handle somehow. It's not clear what we'll do yet.
*
* @param action
* The action proxy that handles the presentation portion of the
* action
* @see org.eclipse.ui.IActionDelegate#run(IAction)
*/
public void run(final IAction action) {
try {
execute(new ExecutionEvent());
} catch (final ExecutionException e) {
// TODO Do something meaningful and poignant.
}
}
/**
* By default, this will do nothing. Subclasses may override.
*
* @param action
* The action proxy that handles presentation portion of the
* action
* @param selection
* The current selection, or <code>null</code> if there is no
* selection.
*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
// Do nothing be default.
}
}