bundles/org.simantics.selectionview/src/org/simantics/selectionview/AbstractTypedVariableTabContribution.java

   1 package org.simantics.selectionview;
   2
   3 import org.simantics.db.ReadGraph;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.exception.DatabaseException;
   6 import org.simantics.db.layer0.variable.Variable;
   7
   8 abstract public class AbstractTypedVariableTabContribution extends AbstractVariableTabContribution {
   9
  10         public AbstractTypedVariableTabContribution(ReadGraph graph, Resource configuration) throws DatabaseException {
  11                 super(graph, configuration);
  12         }
  13
  14         @Override
  15         public boolean accept(ReadGraph graph, Variable variable, Object selection) throws DatabaseException {
  16
  17                 SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
  18
  19                 Resource type = graph.getPossibleObject(configuration, SEL.AbstractTypedVariableTabContribution_HasType);
  20                 if(type == null) throw new DatabaseException("No type for " + graph.getPossibleURI(configuration));
  21
  22                 Resource resource = variable.getPossibleRepresents(graph);
  23                 if(resource == null) return false;
  24
  25                 if(!graph.isInstanceOf(resource, type)) return false;
  26
  27                 return super.accept(graph, variable, selection);
  28
  29         }
  30
  31 }