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[simantics/platform.git] / bundles / org.simantics.event / src / org / simantics / event / view / handler / ToggleShowOnlyActiveEvents.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2011 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.event.view.handler;\r
13 \r
14 import org.simantics.Simantics;\r
15 import org.simantics.db.ReadGraph;\r
16 import org.simantics.db.Resource;\r
17 import org.simantics.db.WriteGraph;\r
18 import org.simantics.db.exception.DatabaseException;\r
19 import org.simantics.event.view.preference.EventPrefs;\r
20 \r
21 /**\r
22  * @author Tuukka Lehtonen\r
23  */\r
24 public class ToggleShowOnlyActiveEvents extends PreferenceHandler {\r
25 \r
26     @Override\r
27     protected boolean process(WriteGraph graph) throws DatabaseException {\r
28         Resource project = Simantics.getProjectResource();\r
29         if (project != null) {\r
30             boolean show = EventPrefs.showOnlyActiveEvents(graph, project);\r
31             EventPrefs.setShowOnlyActiveEvents(graph, project, !show);\r
32         }\r
33         return false;\r
34     }\r
35 \r
36     @Override\r
37     protected boolean isChecked(ReadGraph graph) throws DatabaseException {\r
38         return EventPrefs.showOnlyActiveEvents(graph, Simantics.getProjectResource());\r
39     }\r
40 \r
41 }\r