FormatModifier.java

   1 package org.simantics.modeling.ui.diagram.monitor;
   2
   3 import org.simantics.browsing.ui.swt.widgets.impl.ModifyComboListenerImpl;
   4 import org.simantics.db.Resource;
   5 import org.simantics.db.WriteGraph;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.diagram.stubs.DiagramResource;
   8
   9 public class FormatModifier extends ModifyComboListenerImpl<Resource, Resource> {
  10
  11         @Override
  12         public void applySelection(WriteGraph graph, Resource monitor, Resource newFormatter) throws DatabaseException {
  13                 graph.markUndoPoint();
  14                 DiagramResource DIA = DiagramResource.getInstance(graph);
  15                 Resource exist = graph.getPossibleObject(monitor, DIA.HasFormatter);
  16                 if (newFormatter.equals(exist))
  17                         return;
  18                 graph.deny(monitor, DIA.HasFormatter);
  19                 graph.claim(monitor, DIA.HasFormatter, newFormatter);
  20         }
  21
  22 }