path: root/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/breakpoints/BreakpointsCollapseAllAction.java

/*******************************************************************************
 * Copyright (c) 2004, 2009 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
 *     Patrick Chuong (Texas Instruments) - Improve usability of the breakpoint view (Bug 238956)
 *******************************************************************************/
package org.eclipse.debug.internal.ui.actions.breakpoints;

import org.eclipse.debug.ui.AbstractDebugView;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.commands.ActionHandler;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.IActionDelegate2;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.handlers.CollapseAllHandler;
import org.eclipse.ui.handlers.IHandlerService;

/**
 * 
 */
public class BreakpointsCollapseAllAction implements IViewActionDelegate, IActionDelegate2 {
	
	private AbstractDebugView fView;
	
	private IAction fAction;

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart)
	 */
	public void init(IViewPart view) {
		fView = (AbstractDebugView) view;
		IHandlerService hs = (IHandlerService) view.getSite().getService(IHandlerService.class);
		if (hs != null) {
			hs.activateHandler(CollapseAllHandler.COMMAND_ID, new ActionHandler(fAction));
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
	 */
	public void run(IAction action) {
		((TreeViewer) fView.getViewer()).collapseAll();
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
	 */
	public void selectionChanged(IAction action, ISelection selection) {
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate2#dispose()
	 */
	public void dispose() {
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction)
	 */
	public void init(IAction action) {
		fAction = action;
		action.setActionDefinitionId(CollapseAllHandler.COMMAND_ID);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event)
	 */
	public void runWithEvent(IAction action, Event event) {
		run(action);
	}

}