bundles/org.simantics.selectionview/src/org/simantics/selectionview/AbstractTypedResourceTabContribution.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
   7 abstract public class AbstractTypedResourceTabContribution extends AbstractResourceTabContribution {
   8
   9         public AbstractTypedResourceTabContribution(ReadGraph graph, Resource configuration) throws DatabaseException {
  10                 super(graph, configuration);
  11         }
  12
  13
  14         @Override
  15         public boolean accept(ReadGraph graph, Object input) throws DatabaseException {
  16
  17                 if (!(input instanceof Resource))
  18                         return false;
  19                 Resource resource = (Resource) input;
  20
  21                 SelectionViewResources SEL = SelectionViewResources.getInstance(graph);
  22
  23                 Resource type = graph.getPossibleObject(configuration, SEL.AbstractTypedResourceTabContribution_HasType);
  24                 if(type == null) throw new DatabaseException("No type for " + graph.getPossibleURI(configuration));
  25
  26                 if(!graph.isInstanceOf(resource, type)) return false;
  27
  28                 return super.accept(graph, resource);
  29
  30         }
  31
  32 }