bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/PluginActionContributionItem.java

/************************************************************************
Copyright (c) 2002 IBM Corporation and others.
All rights reserved.   This program and the accompanying materials
are made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html

Contributors:
	IBM - Initial implementation
************************************************************************/

package org.eclipse.ui.internal;

import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.ui.IActionDelegate2;

/**
 * Contribution item for actions provided by plugins via workbench
 * action extension points.
 */
public class PluginActionContributionItem extends ActionContributionItem {

	/**
	 * Creates a new contribution item from the given action.
	 * The id of the action is used as the id of the item.
	 *
	 * @param action the action
	 */
	public PluginActionContributionItem(PluginAction action) {
		super(action);
	}

	/**
	 * The default implementation of this <code>IContributionItem</code>
	 * method notifies the delegate if loaded and implements the
	 * <code>IActionDelegate2</code> interface.
	 */
	public void dispose() {
		PluginAction proxy = (PluginAction)getAction();
		if (proxy != null) {
			if (proxy.getDelegate() instanceof IActionDelegate2) {
				((IActionDelegate2)proxy.getDelegate()).dispose();
			}
		}
	}
}