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