bundles/org.simantics.simulation.ui/src/org/simantics/simulation/ui/handlers/e4/SetDuration.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 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.simulation.ui.handlers.e4;
  13
  14 import javax.inject.Inject;
  15
  16 import org.eclipse.e4.core.di.annotations.Execute;
  17 import org.eclipse.e4.core.di.annotations.Optional;
  18 import org.eclipse.e4.core.services.events.IEventBroker;
  19 import org.eclipse.e4.ui.di.UIEventTopic;
  20 import org.eclipse.e4.ui.model.application.MApplication;
  21 import org.eclipse.e4.ui.model.application.ui.menu.MMenuItem;
  22 import org.eclipse.e4.ui.workbench.modeling.EModelService;
  23 import org.eclipse.jface.dialogs.InputDialog;
  24 import org.eclipse.ui.PlatformUI;
  25 import org.osgi.service.prefs.BackingStoreException;
  26 import org.simantics.simulation.SimulationEvents;
  27 import org.simantics.simulation.ui.preferences.SimulationPreferenceUtil;
  28 import org.simantics.simulation.ui.preferences.SimulationPreferences;
  29 import org.simantics.simulation.ui.preferences.SimulationPreferences.StepMode;
  30 import org.simantics.utils.ui.ExceptionUtils;
  31
  32 public class SetDuration {
  33
  34     private static final String SET_DURATION_ITEM_ID = "org.simantics.simulation.ui.handledmenuitem.setduration";
  35
  36     @Inject
  37     private EModelService modelService;
  38
  39     @Inject
  40     private IEventBroker eventBroker;
  41
  42     @Execute
  43     public void execute(MMenuItem item) {
  44         // This is a radio menu item, execute is called also when it is deselected
  45         if (!item.isSelected())
  46             return;
  47
  48         SimulationPreferences prefs = SimulationPreferenceUtil.getPrefs();
  49
  50         TimeInputDialog dialog = new TimeInputDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
  51                 "Set Simulation Step Duration", "simulation step duration", "" + prefs.stepDuration);
  52         if (dialog.open() == InputDialog.OK) {
  53             final double duration = Double.parseDouble(dialog.getValue());
  54             try {
  55                 SimulationPreferenceUtil.flushPrefs(prefs.withDuration(duration).withStepMode(StepMode.DURATION));
  56                 eventBroker.post(SimulationEvents.TOPIC_STEP_DURATION, duration);
  57                 eventBroker.post(SimulationEvents.TOPIC_STEP_MODE, StepMode.DURATION);
  58             } catch (BackingStoreException e) {
  59                 ExceptionUtils.logAndShowError(e);
  60             }
  61         } else {
  62             eventBroker.post(SimulationEvents.TOPIC_STEP_MODE, prefs.stepMode);
  63         }
  64     }
  65
  66     @Inject
  67     @Optional
  68     public void updateElement(@Optional @UIEventTopic(SimulationEvents.TOPIC_STEP_MODE) StepMode mode, MApplication application) {
  69         WorkbenchUtil.setMenuItemSelected(modelService, application, Step.HANDLED_ITEM_ID, SET_DURATION_ITEM_ID, mode == StepMode.DURATION);
  70     }
  71
  72 }