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[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / modelBrowser / handlers / ActivateFilterHandler.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.modeling.ui.modelBrowser.handlers;\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 import org.simantics.browsing.ui.common.views.IFilterArea;\r
20 import org.simantics.browsing.ui.common.views.IFilterAreaProvider;\r
21 \r
22 public class ActivateFilterHandler extends AbstractHandler {\r
23 \r
24     @Override\r
25     public Object execute(ExecutionEvent event) throws ExecutionException {\r
26         IWorkbenchPart part = HandlerUtil.getActivePartChecked(event);\r
27         IFilterAreaProvider fap = null;\r
28         if (part instanceof IFilterAreaProvider)\r
29             fap = (IFilterAreaProvider) part;\r
30         if (fap == null)\r
31             fap = (IFilterAreaProvider) part.getAdapter(IFilterAreaProvider.class);\r
32         if (fap == null)\r
33             return null;\r
34 \r
35         IFilterArea fa = fap.getFilterArea();\r
36         if (fa == null)\r
37             return null;\r
38 \r
39         fa.focus();\r
40         return null;\r
41     }\r
42 \r
43 }\r