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[simantics/platform.git] / bundles / org.simantics.scenegraph.ui / src / org / simantics / scenegraph / ui / ExpandNodeHandler.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2010 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  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.scenegraph.ui;\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.IWorkbenchPart;\r
18 import org.eclipse.ui.handlers.HandlerUtil;\r
19 \r
20 /**\r
21  * @author Tuukka Lehtonen\r
22  */\r
23 public class ExpandNodeHandler extends AbstractHandler {\r
24 \r
25     @Override\r
26     public Object execute(ExecutionEvent event) throws ExecutionException {\r
27         IWorkbenchPart part = HandlerUtil.getActivePart(event);\r
28         if (part == null || !(part instanceof SceneGraphViewPart))\r
29             return null;\r
30 \r
31         SceneGraphViewPart sg = (SceneGraphViewPart) part;\r
32         sg.expandSelectedNode();\r
33 \r
34         return null;\r
35     }\r
36 \r
37 }\r