@Override
 public void propertyChange(PropertyChangeEvent evt) {
   String p = evt.getPropertyName();
   if (p.equals(SpecSelectionComponent.SPECIFICATION_PROPERTY)) {
     validate(SpecSelectionConstraints.values());
   }
 }
 SpecSelectionDialogDescriptor(SpecSelectionComponent p, String title) {
   super(p, title, p);
   validate(SpecSelectionConstraints.values());
 }