| /******************************************************************************* |
| * Copyright (c) 2003, 2008 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.navigator.actions; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.ui.handlers.CollapseAllHandler; |
| import org.eclipse.ui.internal.navigator.CommonNavigatorMessages; |
| import org.eclipse.ui.navigator.CommonViewer; |
| |
| /** |
| * This action delegate collapses all expanded elements in a Navigator view. |
| * |
| */ |
| public class CollapseAllAction extends Action implements IAction { |
| |
| private final CommonViewer commonViewer; |
| |
| /** |
| * Create the CollapseAll action. |
| * |
| * @param aViewer |
| * The viewer to be collapsed. |
| */ |
| public CollapseAllAction(CommonViewer aViewer) { |
| super(CommonNavigatorMessages.CollapseAllActionDelegate_0); |
| setToolTipText(CommonNavigatorMessages.CollapseAllActionDelegate_0); |
| setActionDefinitionId(CollapseAllHandler.COMMAND_ID); |
| commonViewer = aViewer; |
| } |
| |
| public void run() { |
| if (commonViewer != null) { |
| commonViewer.collapseAll(); |
| } |
| } |
| } |