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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010, 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.properties.widgets.expressions;\r
  13 \r
  14 \r
  15 import java.util.Map;\r
  16 \r
  17 import org.eclipse.jface.layout.GridDataFactory;\r
  18 import org.eclipse.jface.layout.GridLayoutFactory;\r
  19 import org.eclipse.swt.SWT;\r
  20 import org.eclipse.swt.widgets.Composite;\r
  21 import org.eclipse.swt.widgets.Label;\r
  22 import org.simantics.db.ReadGraph;\r
  23 import org.simantics.db.Resource;\r
  24 import org.simantics.db.exception.DatabaseException;\r
  25 import org.simantics.db.layer0.variable.Variable;\r
  26 import org.simantics.db.request.Read;\r
  27 import org.simantics.modelica.fmi.FMUJNIException;\r
  28 import org.simantics.simulation.experiment.IExperiment;\r
  29 import org.simantics.simulation.project.IExperimentManager;\r
  30 import org.simantics.sysdyn.SysdynResource;\r
  31 import org.simantics.sysdyn.adapter.HistoryVariable;\r
  32 import org.simantics.sysdyn.manager.SysdynGameExperiment;\r
  33 import org.simantics.sysdyn.ui.utils.ExpressionUtils;\r
  34 import org.simantics.ui.SimanticsUI;\r
  35 \r
  36 public class ParameterExpression extends BasicExpression {\r
  37 \r
  38         Variable variable;\r
  39 \r
  40         public ParameterExpression(Variable variable) {\r
  41                 try {\r
  42                         this.expressionType = SimanticsUI.getSession().syncRequest(new Read<Resource>() {\r
  43 \r
  44                                 @Override\r
  45                                 public Resource perform(ReadGraph graph) throws DatabaseException {\r
  46                                         return SysdynResource.getInstance(graph).ParameterExpression;\r
  47                                 }\r
  48                         });\r
  49                 } catch (DatabaseException e) {\r
  50                         e.printStackTrace();\r
  51                 }               \r
  52 \r
  53                 this.variable = variable;\r
  54         }\r
  55 \r
  56 \r
  57         @Override\r
  58         public void createExpressionFields(Composite parent, Map<String, Object> data) {\r
  59                 // Create the single field\r
  60                 GridLayoutFactory.fillDefaults().numColumns(2).applyTo(parent);\r
  61                 String equation = data.get("equation") != null ? (String)data.get("equation") : "";\r
  62 \r
  63                 Label l = new Label(parent, SWT.NONE);\r
  64                 l.setText("=");\r
  65 \r
  66                 expression = new ExpressionField(parent, SWT.BORDER);\r
  67                 expression.setExpression(equation);\r
  68                 GridDataFactory.fillDefaults().grab(true, true).applyTo(expression);\r
  69 \r
  70         }\r
  71 \r
  72         @Override\r
  73         public void readData(final Resource expression, Map<String, Object> data) {\r
  74                 IExperimentManager manager = SimanticsUI.getProject().getHint(IExperimentManager.KEY_EXPERIMENT_MANAGER);\r
  75                 IExperiment experiment = manager.getActiveExperiment();\r
  76                 if(experiment == null || !(experiment instanceof SysdynGameExperiment)) {\r
  77                         super.readData(expression, data);\r
  78                 } else {\r
  79                         Double value;\r
  80                         try {\r
  81                                 value = SimanticsUI.getSession().syncRequest(new Read<Double>() {\r
  82 \r
  83                                         @Override\r
  84                                         public Double perform(ReadGraph graph) throws DatabaseException {\r
  85                                                 try {\r
  86                                                         return ((HistoryVariable)variable).getParameterValue(graph);\r
  87                                                 } catch (DatabaseException e) {\r
  88                                                         throw new DatabaseException(e.getMessage());\r
  89                                                 } catch (FMUJNIException e) {\r
  90                                                         System.err.println("ParameterExpression.java: " + e.getMessage());\r
  91                                                         return null;\r
  92                                                 }\r
  93                                         }\r
  94                                 });\r
  95                                 if(value != null)\r
  96                                         data.put("equation", value.toString());\r
  97                                 else\r
  98                                         super.readData(expression, data);\r
  99 \r
 100                         } catch (DatabaseException e) {\r
 101                                 super.readData(expression, data);\r
 102                         }\r
 103                 }\r
 104         }\r
 105 \r
 106         @Override\r
 107         public void save(final Resource expression, Map<String, Object> data) {\r
 108 \r
 109                 IExperimentManager manager = SimanticsUI.getProject().getHint(IExperimentManager.KEY_EXPERIMENT_MANAGER);\r
 110                 IExperiment experiment = manager.getActiveExperiment();\r
 111                 if(experiment != null && experiment instanceof SysdynGameExperiment && variable instanceof HistoryVariable) {\r
 112                         final String currentText = this.expression.getExpression();\r
 113                         final String oldEquation = (String)data.get("equation");\r
 114                         if(oldEquation == null || \r
 115                                         (currentText != null && expressionType != null)) {\r
 116                                 if(ExpressionUtils.isParameter(currentText)) {\r
 117                                         Boolean success = false;\r
 118                                         try {\r
 119                                                 success = SimanticsUI.getSession().syncRequest(new Read<Boolean>() {\r
 120 \r
 121                                                         @Override\r
 122                                                         public Boolean perform(ReadGraph graph) throws DatabaseException {\r
 123                                                                 try {\r
 124                                                                         ((HistoryVariable)variable).setParameterValue(graph, Double.parseDouble(currentText));\r
 125                                                                         return true;\r
 126                                                                 } catch (Exception e) {\r
 127                                                                         return false;\r
 128                                                                 }\r
 129 \r
 130                                                         }\r
 131                                                 });\r
 132                                         } catch (DatabaseException e) {\r
 133                                         }\r
 134 \r
 135                                         if(success) {\r
 136                                                 data.put("equation", currentText);\r
 137                                                 return;\r
 138                                         } else {\r
 139                                                 super.save(expression, data);\r
 140                                         }\r
 141                                 }\r
 142                         }\r
 143                 }\r
 144 \r
 145                 // If setting a parameter value was not succesful, use the normal save-method\r
 146                 super.save(expression, data);\r
 147         }\r
 148 \r
 149         public ParameterExpression() {\r
 150                 try {\r
 151                         this.expressionType = SimanticsUI.getSession().syncRequest(new Read<Resource>() {\r
 152 \r
 153                                 @Override\r
 154                                 public Resource perform(ReadGraph graph) throws DatabaseException {\r
 155                                         return SysdynResource.getInstance(graph).ParameterExpression;\r
 156                                 }\r
 157                         });\r
 158                 } catch (DatabaseException e) {\r
 159                         e.printStackTrace();\r
 160                 }\r
 161         }\r
 162 \r
 163 \r
 164 }\r