bundles/org.simantics.simulation.ui/src/org/simantics/simulation/ui/ExperimentManagerListener.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;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 import java.util.HashSet;\r
  17 import java.util.Set;\r
  18 \r
  19 import org.eclipse.ui.IWorkbench;\r
  20 import org.eclipse.ui.PlatformUI;\r
  21 import org.eclipse.ui.contexts.IContextActivation;\r
  22 import org.eclipse.ui.contexts.IContextService;\r
  23 import org.simantics.simulation.experiment.IDynamicExperiment;\r
  24 import org.simantics.simulation.experiment.IExperiment;\r
  25 import org.simantics.simulation.project.IExperimentManager;\r
  26 import org.simantics.simulation.project.IExperimentManagerListener;\r
  27 \r
  28 public class ExperimentManagerListener implements IExperimentManagerListener {\r
  29 \r
  30     public static final String     EXPERIMENT_CONTEXT         = "org.simantics.simulation.ui.experiment";\r
  31     public static final String     DYNAMIC_EXPERIMENT_CONTEXT = "org.simantics.simulation.ui.dynamicExperiment";\r
  32 \r
  33     static Set<IExperimentManager> managers = \r
  34         new HashSet<IExperimentManager>();\r
  35 \r
  36     IExperimentManager manager;\r
  37 \r
  38     Collection<IContextActivation> contextActivations = \r
  39         new ArrayList<IContextActivation>();\r
  40 \r
  41     public ExperimentManagerListener(IExperimentManager manager) {\r
  42         this.manager = manager;\r
  43     }\r
  44 \r
  45     public static void listenManager(IExperimentManager manager) {\r
  46         synchronized(managers) {\r
  47             if(managers.contains(manager))\r
  48                 return;\r
  49             ExperimentManagerListener listener = \r
  50                 new ExperimentManagerListener(manager);\r
  51             manager.addListener(listener);\r
  52             managers.add(manager);\r
  53         }\r
  54     }\r
  55 \r
  56     @Override\r
  57     public void activeExperimentLoaded(final IExperiment experiment) {\r
  58 //        experiment.addListener(new ExperimentListener());\r
  59         experiment.addListener(new org.simantics.simulation.ui.e4.ExperimentListener());\r
  60 \r
  61         if (!PlatformUI.isWorkbenchRunning())\r
  62             return;\r
  63 \r
  64         final IWorkbench workbench = PlatformUI.getWorkbench();\r
  65         workbench.getDisplay().asyncExec(new Runnable() {\r
  66             @Override\r
  67             public void run() {\r
  68                 if (workbench.isClosing())\r
  69                     return;\r
  70                 IContextService contextService =\r
  71                     (IContextService)PlatformUI.getWorkbench()\r
  72                     .getService(IContextService.class);\r
  73                 synchronized(contextActivations) {\r
  74                     contextActivations.add(contextService.activateContext(EXPERIMENT_CONTEXT));\r
  75                     if(experiment instanceof IDynamicExperiment)\r
  76                         contextActivations.add(contextService.activateContext(DYNAMIC_EXPERIMENT_CONTEXT));\r
  77                 }\r
  78             }\r
  79         });\r
  80     }\r
  81 \r
  82     @Override\r
  83     public void activeExperimentUnloaded() {\r
  84         synchronized(contextActivations) {\r
  85             final Collection<IContextActivation> oldContextActivations = \r
  86                 contextActivations;\r
  87 \r
  88             contextActivations = new ArrayList<IContextActivation>();\r
  89 \r
  90             if (!PlatformUI.isWorkbenchRunning())\r
  91                 return;\r
  92 \r
  93             final IWorkbench workbench = PlatformUI.getWorkbench();\r
  94             workbench.getDisplay().asyncExec(new Runnable() {\r
  95                 @Override\r
  96                 public void run() {\r
  97                     if (workbench.isClosing())\r
  98                         return;\r
  99 \r
 100                     IContextService contextService =\r
 101                         (IContextService)workbench.getService(IContextService.class);\r
 102                     contextService.deactivateContexts(oldContextActivations);\r
 103                 }\r
 104             });\r
 105         }\r
 106     }\r
 107 \r
 108     @Override\r
 109     public void managerDisposed() {\r
 110         synchronized(managers) {\r
 111             manager.removeListener(this);\r
 112             managers.remove(manager);\r
 113         }\r
 114     }\r
 115 \r
 116 }\r