gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 Association for Decentralized Information Management in\r
   3  * 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.sysdyn.ui.listeners;\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.IExperiment;\r
  24 import org.simantics.simulation.project.IExperimentManager;\r
  25 import org.simantics.simulation.project.IExperimentManagerListener;\r
  26 import org.simantics.sysdyn.manager.SysdynExperiment;\r
  27 import org.simantics.sysdyn.manager.SysdynPlaybackExperiment;\r
  28 \r
  29 public class SysdynExperimentManagerListener implements IExperimentManagerListener{\r
  30 \r
  31     public static final String BASIC_EXPERIMENT_CONTEXT = "org.simantics.sysdyn.ui.basicExperiment";\r
  32     public static final String PLAYBACK_EXPERIMENT_CONTEXT = "org.simantics.sysdyn.ui.playbackExperiment";\r
  33    \r
  34     static Set<IExperimentManager> managers = \r
  35         new HashSet<IExperimentManager>();\r
  36     \r
  37     IExperimentManager manager;\r
  38     \r
  39     Collection<IContextActivation> contextActivations = \r
  40         new ArrayList<IContextActivation>();\r
  41         \r
  42     public SysdynExperimentManagerListener(IExperimentManager manager) {\r
  43         this.manager = manager;\r
  44     }\r
  45 \r
  46     public static void listenManager(IExperimentManager manager) {\r
  47         synchronized(managers) {\r
  48             if(managers.contains(manager))\r
  49                 return;\r
  50             SysdynExperimentManagerListener listener = \r
  51                 new SysdynExperimentManagerListener(manager);\r
  52             manager.addListener(listener);\r
  53             managers.add(manager);\r
  54         }\r
  55     }\r
  56     \r
  57     @Override\r
  58     public void activeExperimentLoaded(final IExperiment experiment) {        \r
  59         experiment.addListener(new SysdynExperimentListener());\r
  60 \r
  61         PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {\r
  62 \r
  63             @Override\r
  64             public void run() {\r
  65                 IContextService contextService =\r
  66                     (IContextService)PlatformUI.getWorkbench()\r
  67                     .getActiveWorkbenchWindow().getService(IContextService.class);\r
  68                 synchronized(contextActivations) {\r
  69                     if(experiment instanceof SysdynPlaybackExperiment) {\r
  70                         contextActivations.add(contextService.activateContext(PLAYBACK_EXPERIMENT_CONTEXT));\r
  71                         experiment.addListener(new SysdynPlaybackExperimentListener((SysdynPlaybackExperiment)experiment));\r
  72                     } else if(experiment instanceof SysdynExperiment) {\r
  73                         contextActivations.add(contextService.activateContext(BASIC_EXPERIMENT_CONTEXT));\r
  74                     }\r
  75                 }\r
  76             }\r
  77             \r
  78         });\r
  79     }\r
  80 \r
  81     @Override\r
  82     public void activeExperimentUnloaded() {\r
  83         \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             final IWorkbench workbench = PlatformUI.getWorkbench();\r
  91             workbench.getDisplay().asyncExec(new Runnable() {\r
  92     \r
  93                 @Override\r
  94                 public void run() {\r
  95                     if (workbench.isClosing())\r
  96                         return;\r
  97                     \r
  98                     IContextService contextService =\r
  99                         (IContextService)workbench.getActiveWorkbenchWindow().getService(IContextService.class);\r
 100                     contextService.deactivateContexts(oldContextActivations);                                \r
 101                 }\r
 102                 \r
 103             });\r
 104         }\r
 105             \r
 106     }\r
 107 \r
 108     @Override\r
 109     public void managerDisposed() {\r
 110         synchronized(managers) {\r
 111             managers.remove(manager);\r
 112         }\r
 113     }\r
 114 \r
 115 }\r