bundles/org.simantics.simulation.ui/src/org/simantics/simulation/ui/handlers/ActivateExperimentHandler.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.handlers;\r
  13 \r
  14 import org.eclipse.core.commands.AbstractHandler;\r
  15 import org.eclipse.core.commands.ExecutionEvent;\r
  16 import org.eclipse.core.commands.ExecutionException;\r
  17 import org.eclipse.jface.viewers.ISelection;\r
  18 import org.eclipse.ui.handlers.HandlerUtil;\r
  19 import org.simantics.db.ReadGraph;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.common.request.ReadRequest;\r
  22 import org.simantics.db.exception.DatabaseException;\r
  23 import org.simantics.project.IProject;\r
  24 import org.simantics.simulation.ontology.SimulationResource;\r
  25 import org.simantics.simulation.project.IExperimentManager;\r
  26 import org.simantics.ui.SimanticsUI;\r
  27 import org.simantics.ui.utils.ResourceAdaptionUtils;\r
  28 import org.simantics.utils.ui.ErrorLogger;\r
  29 \r
  30 /**\r
  31  * A generic command handler for activating an experiment based on the currently\r
  32  * selected experiment in the UI.\r
  33  * \r
  34  * @author Tuukka Lehtonen\r
  35  * \r
  36  * @see ActivateExperimentAction\r
  37  * @see ExperimentActivator\r
  38  */\r
  39 public class ActivateExperimentHandler extends AbstractHandler {\r
  40 \r
  41     @Override\r
  42     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  43         ISelection selection = HandlerUtil.getCurrentSelection(event);\r
  44         final Resource experiment = ResourceAdaptionUtils.toSingleResource(selection);\r
  45         if (experiment == null)\r
  46             return null;\r
  47 \r
  48         final IProject project = SimanticsUI.peekProject();\r
  49         if (project == null)\r
  50             return null;\r
  51 \r
  52         final IExperimentManager experimentManager = project.getHint(IExperimentManager.KEY_EXPERIMENT_MANAGER);\r
  53         if (experimentManager == null) {\r
  54             ErrorLogger.defaultLogWarning("Experiment manager not available.", new Exception());\r
  55             return null;\r
  56         }\r
  57 \r
  58         try {\r
  59             project.getSession().syncRequest(new ReadRequest() {\r
  60                 @Override\r
  61                 public void run(ReadGraph graph) throws DatabaseException {\r
  62                     if (graph.isInstanceOf(experiment, SimulationResource.getInstance(graph).Experiment)) {\r
  63                         ExperimentActivator.scheduleActivation(graph, project, experimentManager, experiment);\r
  64                     }\r
  65                 }\r
  66             });\r
  67         } catch (DatabaseException e) {\r
  68             ErrorLogger.defaultLogError(e);\r
  69         }\r
  70 \r
  71         return null;\r
  72     }\r
  73 \r
  74 }