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

   1 package org.simantics.sysdyn.ui.properties.widgets.arrays;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 import java.util.Collections;\r
   6 import java.util.List;\r
   7 \r
   8 import org.simantics.browsing.ui.common.node.AbstractNode;\r
   9 import org.simantics.browsing.ui.graph.impl.contributor.viewpoint.ViewpointContributorImpl;\r
  10 import org.simantics.db.ReadGraph;\r
  11 import org.simantics.db.Resource;\r
  12 import org.simantics.db.common.ResourceArray;\r
  13 import org.simantics.db.common.utils.ListUtils;\r
  14 import org.simantics.db.exception.DatabaseException;\r
  15 import org.simantics.sysdyn.SysdynResource;\r
  16 \r
  17 public class UsedEnumerations extends ViewpointContributorImpl<ResourceArray> {\r
  18 \r
  19                 @Override\r
  20                 public Collection<?> getContribution(ReadGraph graph, ResourceArray input)\r
  21                                 throws DatabaseException {\r
  22                 SysdynResource sr = SysdynResource.getInstance(graph);\r
  23                 \r
  24                 Resource[] selection = input.resources;\r
  25                 if(selection.length < 1)\r
  26                     return Collections.emptyList();\r
  27                 \r
  28                 /* Collect enumerations for all variables\r
  29                  * var1\r
  30                  *     - enum1\r
  31                  *     - enum2\r
  32                  * var2\r
  33                  *     - enum1\r
  34                  *     - enum2\r
  35                  *     - enum3\r
  36                  */\r
  37                 ArrayList<List<Resource>> variableEnumerations = new ArrayList<List<Resource>>();\r
  38                 for(Resource variable : selection) {\r
  39                     Resource arrayIndexes = graph.getPossibleObject(variable, sr.Variable_arrayIndexesList);\r
  40                     if(arrayIndexes != null) {\r
  41                         variableEnumerations.add(ListUtils.toList(graph, arrayIndexes));\r
  42                     } else {\r
  43                         variableEnumerations.add(new ArrayList<Resource>());\r
  44                     }\r
  45                 }\r
  46 \r
  47 \r
  48                 /* Construct a list of enumerations\r
  49                  * FirstEnumeration\r
  50                  *     - var1.first\r
  51                  *     - var2.first\r
  52                  *     - var3.first\r
  53                  * SecondEnumeration\r
  54                  *     - var1.second\r
  55                  *     - ...\r
  56                  */\r
  57                 ArrayList<List<Resource>> enumerations = new ArrayList<List<Resource>>();\r
  58 \r
  59                 int index = 0;\r
  60                 while(true) {\r
  61 \r
  62                     // Break loop if enumerations for all variables have been recorded\r
  63                     boolean b = true;\r
  64                     for(List<Resource> varEnums : variableEnumerations) {\r
  65                         if(index < varEnums.size()) {\r
  66                             b = false;\r
  67                             break;\r
  68                         }\r
  69                     }\r
  70                     \r
  71                     if(b) break;\r
  72                     \r
  73                     for(List<Resource> current : variableEnumerations) {\r
  74                         if(index == enumerations.size())\r
  75                             enumerations.add(index, new ArrayList<Resource>());\r
  76                         Resource enumeration =  index < current.size()? current.get(index) : null;\r
  77                         enumerations.get(index).add(enumeration);\r
  78                     }\r
  79                     \r
  80                     index++;\r
  81                 }\r
  82                 \r
  83                 // Build nodes\r
  84                 ArrayList<AbstractNode<?>> result = new ArrayList<AbstractNode<?>>();\r
  85 \r
  86                 if(enumerations.size() == 1 && (enumerations.get(0).size() == 0 || (enumerations.get(0).size() == 1 && enumerations.get(0).get(0) == null)))\r
  87                     return result;\r
  88                 \r
  89                 for(List<Resource> enumeration : enumerations) {\r
  90                     boolean same = true;\r
  91                     for(int i = 0; i < enumeration.size() - 1; i++) {\r
  92                         if(enumeration.get(i) == null || enumeration.get(i + 1) == null ||\r
  93                                 !enumeration.get(i).equals(enumeration.get(i + 1))) {\r
  94                             same = false;\r
  95                             break;\r
  96                         }\r
  97                     }\r
  98                     \r
  99                     if(!same) {\r
 100                         result.add(new ConflictingEnumerationNode(enumeration.toArray(new Resource[enumeration.size()])));\r
 101                     } else {\r
 102                         result.add(new EnumerationNode(enumeration.get(0)));\r
 103                     }\r
 104                 }\r
 105                 \r
 106 \r
 107                 \r
 108                 return result;\r
 109                 }\r
 110 \r
 111                 @Override\r
 112                 public String getViewpointId() {\r
 113                         return "Used enumerations";\r
 114                 }\r
 115 }\r