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

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