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[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / actions / CollapseAll.java
1 /*******************************************************************************\r
2  * Copyright (c) 2016 Association for Decentralized Information Management\r
3  * in Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     Semantum Oy - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.browsing.ui.common.actions;\r
13 \r
14 import org.eclipse.core.commands.AbstractHandler;\r
15 import org.eclipse.core.commands.ExecutionEvent;\r
16 import org.eclipse.core.commands.ExecutionException;\r
17 import org.eclipse.ui.handlers.HandlerUtil;\r
18 import org.simantics.browsing.ui.GraphExplorer;\r
19 import org.simantics.browsing.ui.common.NodeContextUtil;\r
20 \r
21 /**\r
22  * @author Tuukka Lehtonen\r
23  * @since 1.24.0\r
24  */\r
25 public class CollapseAll extends AbstractHandler {\r
26 \r
27     @Override\r
28     public Object execute(ExecutionEvent event) throws ExecutionException {\r
29         GraphExplorer explorer = HandlerUtil.getActivePart(event).getAdapter(GraphExplorer.class);\r
30         if (explorer != null)\r
31             NodeContextUtil.collapseAllNodes(explorer);\r
32         return null;\r
33     }\r
34 \r
35 }\r