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

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