]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.event/src/org/simantics/event/view/handler/ToggleHideInfoEvents.java
claimWithInverse & possibleInverseOf function to DB.scl
[simantics/platform.git] / bundles / org.simantics.event / src / org / simantics / event / view / handler / ToggleHideInfoEvents.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management
3  * in Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.event.view.handler;
13
14 import org.simantics.Simantics;
15 import org.simantics.db.ReadGraph;
16 import org.simantics.db.Resource;
17 import org.simantics.db.WriteGraph;
18 import org.simantics.db.exception.DatabaseException;
19 import org.simantics.event.view.preference.EventPrefs;
20
21
22 /**
23  * @author Tuukka Lehtonen
24  */
25 public class ToggleHideInfoEvents extends PreferenceHandler {
26
27     @Override
28     protected boolean process(WriteGraph graph) throws DatabaseException {
29         Resource project = Simantics.getProjectResource();
30         if (project != null) {
31             boolean show = EventPrefs.hideInfoEvents(graph, project);
32             EventPrefs.setHideInfoEvents(graph, project, !show);
33         }
34         return false;
35     }
36
37     @Override
38     protected boolean isChecked(ReadGraph graph) throws DatabaseException {
39         return EventPrefs.hideInfoEvents(graph, Simantics.getProjectResource());
40     }
41
42 }