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.properties.widgets.modules;\r
  13 \r
  14 import org.simantics.browsing.ui.content.Labeler.Modifier;\r
  15 import org.simantics.browsing.ui.model.modifiers.ModifierRule;\r
  16 import org.simantics.db.ReadGraph;\r
  17 import org.simantics.db.Resource;\r
  18 import org.simantics.db.WriteGraph;\r
  19 import org.simantics.db.common.request.ObjectsWithType;\r
  20 import org.simantics.db.common.request.WriteRequest;\r
  21 import org.simantics.db.exception.DatabaseException;\r
  22 import org.simantics.db.layer0.util.RemoverUtil;\r
  23 import org.simantics.db.request.Read;\r
  24 import org.simantics.layer0.Layer0;\r
  25 import org.simantics.layer0.utils.direct.GraphUtils;\r
  26 import org.simantics.sysdyn.SysdynResource;\r
  27 import org.simantics.sysdyn.representation.Variability;\r
  28 import org.simantics.sysdyn.ui.properties.widgets.ColumnKeys;\r
  29 import org.simantics.ui.SimanticsUI;\r
  30 \r
  31 public class ParameterModifierRule implements ModifierRule {\r
  32 \r
  33     @Override\r
  34     public boolean isCompatible(Class<?> contentType) {\r
  35         return contentType.equals(Object.class);\r
  36     }\r
  37 \r
  38     @Override\r
  39     public Modifier getModifier(ReadGraph graph, Object content, String columnKey) throws DatabaseException {\r
  40         if(content instanceof ParameterNode && ColumnKeys.VALUE.equals(columnKey)) {\r
  41             final ParameterNode node = (ParameterNode) content;\r
  42             return new Modifier() {\r
  43 \r
  44                 @Override\r
  45                 public String getValue() {\r
  46                     Read<String> request =\r
  47                             new Read<String>() {\r
  48 \r
  49                         @Override\r
  50                         public String perform(ReadGraph graph) throws DatabaseException {\r
  51                             String parameterExpression =  ModuleParameterOverrideUtils.getParameterExpressionOrOverride(\r
  52                                     graph, \r
  53                                     node.getParent(), \r
  54                                     node.getIndependentVariable());\r
  55 \r
  56                             return parameterExpression != null ? parameterExpression : "";\r
  57                         }\r
  58 \r
  59                     };\r
  60                     try {\r
  61                         return SimanticsUI.getSession().syncRequest(request);\r
  62                     } catch (DatabaseException e) {\r
  63                         e.printStackTrace();\r
  64                         return "";\r
  65                     }\r
  66                 }\r
  67 \r
  68                 @Override\r
  69                 public String isValid(String label) {\r
  70                     if(label.isEmpty())\r
  71                         return null;\r
  72                     \r
  73                     if(Variability.CONTINUOUS.equals(Variability.getVariability(node.getIndependentVariable(), label, false, node.getParentConfiguration()))) \r
  74                         return "Not valid";\r
  75                     else\r
  76                         return null;\r
  77                 }\r
  78 \r
  79                 @Override\r
  80                 public void modify(final String label) {\r
  81                     SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
  82                         @Override\r
  83                         public void perform(WriteGraph graph) throws DatabaseException {\r
  84                             SysdynResource sr = SysdynResource.getInstance(graph);\r
  85                             Layer0 L0 = Layer0.getInstance(graph);\r
  86 \r
  87                             // Remove possible old override\r
  88                             for(Resource r : graph.syncRequest(new ObjectsWithType(node.getParent(), L0.ConsistsOf, sr.Module_ParameterOverride))) {\r
  89                                 if(node.getVariableResource().equals(graph.getPossibleObject(r, sr.Module_ParameterOverride_overriddenParameter))) {\r
  90                                     RemoverUtil.remove(graph, r);\r
  91                                     break;\r
  92                                 }\r
  93                             }\r
  94 \r
  95                             // Write the new override, if there is one\r
  96                             if(label != null && !label.isEmpty()) {\r
  97                                 GraphUtils.create2(graph, sr.Module_ParameterOverride,\r
  98                                         sr.Module_ParameterOverride_overriddenParameter, node.getVariableResource(),\r
  99                                         sr.Module_ParameterOverride_overrideExpression, label,\r
 100                                         L0.PartOf, node.getParent()\r
 101                                         );\r
 102                             }\r
 103                         }\r
 104                     });\r
 105                 }\r
 106 \r
 107             };\r
 108         } else {\r
 109             return null;\r
 110         }\r
 111     }\r
 112 \r
 113 }\r