1 /*******************************************************************************
2  * Copyright (c) 2000, 2008 IBM Corporation and others.
3  *
4  * This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License 2.0
6  * which accompanies this distribution, and is available at
7  * https://www.eclipse.org/legal/epl-2.0/
8  *
9  * SPDX-License-Identifier: EPL-2.0
10  *
11  * Contributors:
12  *     IBM Corporation - initial API and implementation
13  *******************************************************************************/
14 package org.eclipse.search2.internal.ui.basic.views;
15 
16 import org.eclipse.jface.action.Action;
17 import org.eclipse.jface.viewers.TreeViewer;
18 
19 import org.eclipse.search.internal.ui.SearchPluginImages;
20 
21 import org.eclipse.search2.internal.ui.SearchMessages;
22 
23 public class CollapseAllAction extends Action {
24 
25 	private TreeViewer fViewer;
26 
CollapseAllAction()27 	public CollapseAllAction() {
28 		super(SearchMessages.CollapseAllAction_0);
29 		setToolTipText(SearchMessages.CollapseAllAction_1);
30 		SearchPluginImages.setImageDescriptors(this, SearchPluginImages.T_LCL, SearchPluginImages.IMG_LCL_SEARCH_COLLAPSE_ALL);
31 	}
32 
setViewer(TreeViewer viewer)33 	public void setViewer(TreeViewer viewer) {
34 		fViewer= viewer;
35 	}
36 
37 	@Override
run()38 	public void run() {
39 		if (fViewer != null) {
40 			fViewer.collapseAll();
41 		}
42 	}
43 }
44