bundles/org.simantics.simulation.ui/src/org/simantics/simulation/ui/handlers/e4/Step.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.annotation.PostConstruct;
  15 import javax.inject.Inject;
  16
  17 import org.eclipse.e4.core.di.annotations.CanExecute;
  18 import org.eclipse.e4.core.di.annotations.Execute;
  19 import org.eclipse.e4.core.di.annotations.Optional;
  20 import org.eclipse.e4.ui.di.UIEventTopic;
  21 import org.eclipse.e4.ui.model.application.MApplication;
  22 import org.eclipse.e4.ui.model.application.ui.menu.MHandledItem;
  23 import org.eclipse.e4.ui.workbench.modeling.EModelService;
  24 import org.simantics.Simantics;
  25 import org.simantics.simulation.SimulationEvents;
  26 import org.simantics.simulation.experiment.ExperimentUtil;
  27 import org.simantics.simulation.experiment.IExperiment;
  28 import org.simantics.simulation.project.IExperimentManager;
  29 import org.simantics.simulation.ui.preferences.SimulationPreferenceUtil;
  30 import org.simantics.simulation.ui.preferences.SimulationPreferences;
  31
  32 public class Step {
  33
  34     private static final String HANDLED_ITEM_ID = "org.simantics.simulation.ui.handledtoolitem.step";
  35
  36     @Inject
  37     EModelService modelService;
  38
  39     @PostConstruct
  40     public void updateToolTip(MApplication application) {
  41         MHandledItem handledItem = (MHandledItem) modelService.find(HANDLED_ITEM_ID, application);
  42         if (handledItem != null) {
  43             SimulationPreferences prefs = SimulationPreferenceUtil.getPrefs();
  44             handledItem.setTooltip("Step " + prefs.stepDuration + "s");
  45         }
  46     }
  47
  48     @CanExecute
  49     public boolean canExecute() {
  50         IExperimentManager manager = Simantics.getProject().getHint(IExperimentManager.KEY_EXPERIMENT_MANAGER);
  51         if (manager == null)
  52             return false;
  53         IExperiment experiment = manager.getActiveExperiment();
  54         if (experiment == null)
  55             return false;
  56         return true;
  57     }
  58
  59     @Execute
  60     public void execute() {
  61         SimulationPreferences prefs = SimulationPreferenceUtil.getPrefs();
  62         ExperimentUtil.step(prefs.stepDuration);
  63     }
  64
  65     @Inject
  66     @Optional
  67     public void updateElement(@UIEventTopic(SimulationEvents.TOPIC_STEP_DURATION) double duration, MApplication application) {
  68         MHandledItem handledItem = (MHandledItem) modelService.find(HANDLED_ITEM_ID, application);
  69         if (handledItem != null) {
  70             handledItem.setTooltip("Step " + duration + "s");
  71         }
  72     }
  73
  74 }