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.MUILabel;
  23 import org.eclipse.e4.ui.model.application.ui.menu.MHandledItem;
  24 import org.eclipse.e4.ui.workbench.modeling.EModelService;
  25 import org.eclipse.osgi.util.NLS;
  26 import org.simantics.Simantics;
  27 import org.simantics.simulation.SimulationEvents;
  28 import org.simantics.simulation.experiment.ExperimentUtil;
  29 import org.simantics.simulation.experiment.IExperiment;
  30 import org.simantics.simulation.experiment.SimulationTimeUtil;
  31 import org.simantics.simulation.project.IExperimentManager;
  32 import org.simantics.simulation.ui.preferences.SimulationPreferenceUtil;
  33 import org.simantics.simulation.ui.preferences.SimulationPreferences;
  34
  35 public class Step {
  36
  37     static final String HANDLED_ITEM_ID = "org.simantics.simulation.ui.handledtoolitem.step";
  38
  39     @Inject
  40     EModelService modelService;
  41
  42     @PostConstruct
  43     public void updateToolTip(MApplication application) {
  44         MHandledItem handledItem = (MHandledItem) modelService.find(HANDLED_ITEM_ID, application);
  45         if (handledItem != null) {
  46             updateItem(handledItem);
  47         }
  48     }
  49
  50     @CanExecute
  51     public boolean canExecute() {
  52         IExperimentManager manager = Simantics.getProject().getHint(IExperimentManager.KEY_EXPERIMENT_MANAGER);
  53         if (manager == null)
  54             return false;
  55         IExperiment experiment = manager.getActiveExperiment();
  56         if (experiment == null)
  57             return false;
  58         return true;
  59     }
  60
  61     @Execute
  62     public void execute() {
  63         SimulationPreferences prefs = SimulationPreferenceUtil.getPrefs();
  64         switch (prefs.stepMode) {
  65         case DURATION:
  66             ExperimentUtil.step(prefs.stepDuration);
  67             break;
  68         case END_TIME:
  69             ExperimentUtil.stepUntil(prefs.stepEndTime);
  70             break;
  71         }
  72     }
  73
  74     @Inject
  75     @Optional
  76     public void updateElement(@Optional @UIEventTopic(SimulationEvents.TOPIC_STEP_CHANGE) Object changed, MApplication application) {
  77         MHandledItem handledItem = (MHandledItem) modelService.find(HANDLED_ITEM_ID, application);
  78         if (handledItem != null) {
  79             updateItem(handledItem);
  80         }
  81     }
  82
  83     private static void updateItem(MUILabel item) {
  84         SimulationPreferences prefs = SimulationPreferenceUtil.getPrefs();
  85         switch (prefs.stepMode) {
  86         case DURATION:
  87             item.setTooltip(
  88                     NLS.bind("Step {0} s ({1})",
  89                             SimulationTimeUtil.formatSeconds(prefs.stepDuration),
  90                             SimulationTimeUtil.formatHMSS(prefs.stepDuration)));
  91             break;
  92         case END_TIME:
  93             item.setTooltip(
  94                     NLS.bind("Step Until Simulation Time Reaches {0} s ({1})",
  95                             SimulationTimeUtil.formatSeconds(prefs.stepEndTime),
  96                             SimulationTimeUtil.formatHMSS(prefs.stepEndTime)));
  97             break;
  98         }
  99     }
 100
 101 }