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[simantics/platform.git] / bundles / org.simantics.simulation.ui / src / org / simantics / simulation / ui / handlers / e4 / SetDuration.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.simulation.ui.handlers.e4;\r
13 \r
14 import org.eclipse.e4.core.di.annotations.Execute;\r
15 import org.eclipse.e4.core.services.events.IEventBroker;\r
16 import org.eclipse.e4.ui.internal.workbench.E4Workbench;\r
17 import org.eclipse.jface.dialogs.InputDialog;\r
18 import org.eclipse.ui.PlatformUI;\r
19 import org.osgi.service.prefs.BackingStoreException;\r
20 import org.simantics.simulation.SimulationEvents;\r
21 import org.simantics.simulation.ui.preferences.SimulationPreferenceUtil;\r
22 import org.simantics.simulation.ui.preferences.SimulationPreferences;\r
23 import org.simantics.utils.ui.ExceptionUtils;\r
24 import org.simantics.utils.ui.validators.DoubleValidator;\r
25 \r
26 public class SetDuration {\r
27 \r
28     private IEventBroker eventBroker;\r
29     \r
30     public SetDuration() {\r
31         eventBroker = E4Workbench.getServiceContext().get(IEventBroker.class);\r
32     }\r
33     \r
34     @Execute\r
35     public void execute() {\r
36         SimulationPreferences prefs = SimulationPreferenceUtil.getPrefs();\r
37 \r
38         InputDialog dialog = new InputDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),\r
39                 "Set Simulation Step Duration", "Simulation step duration in seconds", "" + prefs.stepDuration, new DoubleValidator());\r
40         if (dialog.open() == InputDialog.OK) {\r
41             final double duration = Double.parseDouble(dialog.getValue());\r
42             try {\r
43                 SimulationPreferenceUtil.flushPrefs(new SimulationPreferences(duration));\r
44                 eventBroker.post(SimulationEvents.TOPIC_STEP_DURATION, duration);\r
45             } catch (BackingStoreException e) {\r
46                 ExceptionUtils.logAndShowError(e);\r
47             }\r
48         }\r
49     }\r
50 \r
51 }\r