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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 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.arrays;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 \r
  16 import org.simantics.browsing.ui.common.modifiers.EnumeratedValue;\r
  17 import org.simantics.browsing.ui.common.modifiers.Enumeration;\r
  18 import org.simantics.browsing.ui.common.node.AbstractNode;\r
  19 import org.simantics.browsing.ui.common.node.IModifiableNode;\r
  20 import org.simantics.browsing.ui.content.Labeler.Modifier;\r
  21 import org.simantics.db.ReadGraph;\r
  22 import org.simantics.db.Resource;\r
  23 import org.simantics.db.WriteGraph;\r
  24 import org.simantics.db.common.request.ObjectsWithType;\r
  25 import org.simantics.db.common.utils.NameUtils;\r
  26 import org.simantics.db.exception.DatabaseException;\r
  27 import org.simantics.db.request.Read;\r
  28 import org.simantics.layer0.Layer0;\r
  29 import org.simantics.layer0.utils.direct.GraphUtils;\r
  30 import org.simantics.sysdyn.SysdynResource;\r
  31 import org.simantics.sysdyn.ui.properties.widgets.ColumnKeys;\r
  32 import org.simantics.ui.SimanticsUI;\r
  33 \r
  34 public class RedeclarationNode  extends AbstractNode<Resource> implements IModifiableNode {\r
  35 \r
  36         private Resource module;\r
  37         \r
  38         public RedeclarationNode(ReadGraph graph, final Resource module, Resource enumeration) {\r
  39                 super(enumeration);\r
  40                 this.module = module;\r
  41         }\r
  42         \r
  43         /**\r
  44          * \r
  45          * @param graph\r
  46          * @return\r
  47          */\r
  48         public Resource getReplacingEnumeration(ReadGraph graph) {\r
  49                 SysdynResource sr = SysdynResource.getInstance(graph);\r
  50                 Resource result = null;\r
  51                 try {\r
  52                         Resource redeclaration = getRedeclaration(graph);\r
  53                         if(redeclaration != null) {\r
  54                                 result = graph.getSingleObject(redeclaration, sr.ReplacingEnumeration);\r
  55                         }\r
  56                 } catch(DatabaseException e) {\r
  57                         e.printStackTrace();\r
  58                 }\r
  59                 \r
  60                 return result;\r
  61         }\r
  62         \r
  63 \r
  64         public Resource getModule() {\r
  65                 return module;\r
  66         }\r
  67 \r
  68         public void setModule(Resource module) {\r
  69                 this.module = module;\r
  70         }\r
  71 \r
  72         public Resource getRedeclaration(ReadGraph graph) {\r
  73                 try {\r
  74                         SysdynResource sr = SysdynResource.getInstance(graph);\r
  75                         for(Resource redeclaration : graph.syncRequest(new ObjectsWithType(module, sr.HasRedeclaration, sr.Redeclaration))) {\r
  76                                 Resource replacedEnumeration = graph.getPossibleObject(redeclaration, sr.ReplacedEnumeration);\r
  77                                 if(replacedEnumeration != null && replacedEnumeration.equals(getReplacedEnumeration())) {\r
  78                                         return redeclaration;\r
  79                                 }\r
  80                         }\r
  81                 } catch (DatabaseException e) {\r
  82                         e.printStackTrace();\r
  83                 }\r
  84                 return null;\r
  85         }\r
  86 \r
  87         public void setRedeclaration(WriteGraph graph, Resource redeclaration) {\r
  88                 try {\r
  89                 SysdynResource sr = SysdynResource.getInstance(graph);\r
  90                 Resource oldRedeclaration = getRedeclaration(graph);\r
  91                 if(oldRedeclaration != null || redeclaration == null) {\r
  92                         graph.deny(module, sr.HasRedeclaration, oldRedeclaration);\r
  93                 }\r
  94                 \r
  95                 if(redeclaration != null)\r
  96                         graph.claim(module, sr.HasRedeclaration, redeclaration);\r
  97                 \r
  98                 } catch (DatabaseException e) {\r
  99                         e.printStackTrace();\r
 100                 }\r
 101         }\r
 102 \r
 103         public Resource getReplacedEnumeration() {\r
 104                 return this.data;\r
 105         }\r
 106 \r
 107         @Override\r
 108         public Modifier getModifier(String columnId) {\r
 109                 \r
 110                 if(!ColumnKeys.REPLACED_WITH.equals(columnId))\r
 111                         return null;\r
 112                 \r
 113                 ComboBoxModifier<Resource> cbm = null;\r
 114                 \r
 115                 try {\r
 116                         cbm = SimanticsUI.getSession().syncRequest(new Read<ComboBoxModifier<Resource>>() {\r
 117                                 \r
 118                                 @Override\r
 119                                 public ComboBoxModifier<Resource> perform(ReadGraph graph) throws DatabaseException {\r
 120                                         SysdynResource sr = SysdynResource.getInstance(graph);\r
 121                                         Layer0 l0 = Layer0.getInstance(graph);\r
 122                                         \r
 123                                         ArrayList<EnumeratedValue<Resource>> values = new ArrayList<EnumeratedValue<Resource>>();\r
 124                                         \r
 125                                         \r
 126                                 Resource configuration = graph.getSingleObject(module, l0.PartOf);\r
 127                                 \r
 128                                         for(Resource enumeration : graph.syncRequest(new ObjectsWithType(configuration, l0.ConsistsOf, sr.Enumeration))) {\r
 129                                                 String name = NameUtils.getSafeName(graph, enumeration);\r
 130                                                 values.add(new EnumeratedValue<Resource>(name, enumeration));                                   \r
 131                                         }\r
 132 \r
 133                                         if(values.size() == 0)\r
 134                                                 return null;\r
 135                                         \r
 136                                         values.add(0, new EnumeratedValue<Resource>("", null));\r
 137                                         Enumeration<Resource> enumeration = new Enumeration<Resource>(values);  \r
 138                                         \r
 139                                         ComboBoxModifier<Resource> cbm = new ComboBoxModifier<Resource>(graph.getSession(), enumeration, getReplacingEnumeration(graph)) {\r
 140                                                 \r
 141                                                 @Override\r
 142                                                 protected void modifyWithObject(WriteGraph graph, Resource oldEnumObject,\r
 143                                                                 Resource enumObject) throws DatabaseException {\r
 144                                                         \r
 145                                                         if(enumObject == null) {\r
 146                                                                 setRedeclaration(graph, null);\r
 147                                                         } else if(!enumObject.equals(oldEnumObject)) {\r
 148                                                                 SysdynResource sr = SysdynResource.getInstance(graph);\r
 149                                                                 Resource redeclaration = GraphUtils.create2(graph, \r
 150                                                                                 sr.Redeclaration, \r
 151                                                                                 sr.ReplacedEnumeration, getReplacedEnumeration(),\r
 152                                                                                 sr.ReplacingEnumeration, enumObject);\r
 153                                                                 setRedeclaration(graph, redeclaration);\r
 154                                                         }\r
 155                                                         \r
 156                                                 }\r
 157                                         };\r
 158                                         \r
 159                                         return cbm;\r
 160                                         \r
 161                                 }\r
 162                         });\r
 163                 } catch (DatabaseException e) {\r
 164                         // TODO Auto-generated catch block\r
 165                         e.printStackTrace();\r
 166                 }\r
 167 \r
 168                 return cbm;\r
 169         }\r
 170         \r
 171         \r
 172 }\r