bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/ge/VariableModifierRule.java

   1 package org.simantics.document.linking.ge;\r
   2 \r
   3 import org.simantics.browsing.ui.content.Labeler.Modifier;\r
   4 import org.simantics.browsing.ui.graph.impl.L0StringModifier;\r
   5 import org.simantics.browsing.ui.model.modifiers.ModifierRule;\r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.Resource;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.layer0.variable.Variable;\r
  10 import org.simantics.document.linking.ontology.DocumentLink;\r
  11 \r
  12 public class VariableModifierRule implements ModifierRule{\r
  13         \r
  14         @Override\r
  15         public boolean isCompatible(Class<?> contentType) {\r
  16                 return true;\r
  17         }\r
  18         \r
  19         @Override\r
  20         public Modifier getModifier(ReadGraph graph, Object content,\r
  21                         String columnKey) throws DatabaseException {\r
  22                 \r
  23                 if(!(content instanceof Variable)) {\r
  24                         return null;\r
  25                 }\r
  26                 \r
  27                 Variable variable = (Variable)content;\r
  28                 Resource source = variable.getPossibleRepresents(graph);\r
  29                 if (source == null)\r
  30                         return null;\r
  31                 \r
  32                 DocumentLink sl = DocumentLink.getInstance(graph);\r
  33                 if (!graph.isInstanceOf(source, sl.Source))\r
  34                         return null;\r
  35                 if (columnKey.equals(Constants.COMMENT)) {\r
  36                         Resource commentRes = graph.getSingleObject(source, sl.hasSourceComment);\r
  37                         return new L0StringModifier(graph.getSession(),commentRes);\r
  38                 }\r
  39                 return null;\r
  40         }\r
  41 \r
  42 }\r