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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2012 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.handlers.game;\r
  13 \r
  14 import java.util.Map;\r
  15 \r
  16 import org.eclipse.core.commands.ExecutionEvent;\r
  17 import org.eclipse.core.commands.ExecutionException;\r
  18 import org.eclipse.ui.menus.UIElement;\r
  19 import org.simantics.project.IProject;\r
  20 import org.simantics.simulation.experiment.ExperimentState;\r
  21 import org.simantics.simulation.experiment.IExperiment;\r
  22 import org.simantics.simulation.project.IExperimentManager;\r
  23 import org.simantics.sysdyn.manager.SysdynGameExperimentBase;\r
  24 import org.simantics.sysdyn.ui.handlers.RunBasicExperiment;\r
  25 import org.simantics.ui.SimanticsUI;\r
  26 \r
  27 /**\r
  28  * Handler for initializing and reloading game experiments.\r
  29  * \r
  30  * @author Teemu Lempinen\r
  31  *\r
  32  */\r
  33 public class ReloadGameExperimentHandler extends RunBasicExperiment {\r
  34         \r
  35         private boolean started = false;\r
  36         private boolean initialized = false;\r
  37         \r
  38         \r
  39     public static final String COMMAND = "org.simantics.sysdyn.ui.reloadGame";\r
  40     \r
  41     @Override\r
  42     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  43         SysdynGameExperimentBase game = getGameExperiment();\r
  44         if(game != null)\r
  45             game.simulate(true);\r
  46         return null;\r
  47     }\r
  48         \r
  49     /**\r
  50      * Find currently active game experiment\r
  51      * @return Currently active game experiment or null if game experiment not active\r
  52      */\r
  53     private SysdynGameExperimentBase getGameExperiment() {\r
  54         // Find active experiment\r
  55         IProject project = SimanticsUI.peekProject();\r
  56         if (project == null)\r
  57             return null;\r
  58         \r
  59         IExperimentManager manager = project.getHint(IExperimentManager.KEY_EXPERIMENT_MANAGER);\r
  60 \r
  61         IExperiment active = manager.getActiveExperiment();\r
  62         if (!(active instanceof SysdynGameExperimentBase))\r
  63             return null;\r
  64         \r
  65         return (SysdynGameExperimentBase) active;\r
  66     }\r
  67         \r
  68         @SuppressWarnings("rawtypes")\r
  69         @Override\r
  70         public void updateElement(UIElement element, Map parameters) {\r
  71                 // Disable button while initializign a model\r
  72                 super.updateElement(element, parameters);\r
  73                 \r
  74                 \r
  75                 // Change tooltip according to the current status\r
  76                 SysdynGameExperimentBase game = getGameExperiment();   \r
  77 \r
  78         if(game == null) {\r
  79                         started = false;\r
  80                         initialized = false;\r
  81                         return;\r
  82         }\r
  83         \r
  84         ExperimentState state = game.getState();\r
  85         \r
  86                 if(state==ExperimentState.INITIALIZING) {\r
  87                         started = false;\r
  88                         initialized = false;\r
  89                 } else if(state==ExperimentState.RUNNING) {\r
  90                         started = true;\r
  91                         initialized = false;\r
  92                 } else if(state==ExperimentState.STOPPED) {\r
  93                         if(started && !initialized) {\r
  94                                 initialized = true;\r
  95                         } \r
  96                 }\r
  97                 \r
  98         \r
  99         if(initialized) {\r
 100             element.setTooltip("Reload Game");\r
 101         } else {\r
 102             element.setTooltip("Initialize Game");\r
 103         }\r
 104         }\r
 105 \r
 106 }\r