@SuppressWarnings("unchecked")
 protected void whenClassroomsTableSelectionChanged(ListSelectionEvent anEvent) {
   DefaultListSelectionModel source = (DefaultListSelectionModel) anEvent.getSource();
   if (source.isSelectionEmpty()) {
     classroomSelected = null;
     moveAssignmentOfClassroomButton.setEnabled(false);
   } else {
     int index = source.getMinSelectionIndex();
     List<Classroom> model =
         ((ReadOnlyTableModel<Classroom>) classroomsTable.getModel()).getModel();
     classroomSelected = model.get(index);
     moveAssignmentOfClassroomButton.setEnabled(
         !classroomSelected.equals(assignment.getAssignableItem()));
   }
 }
Exemple #2
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 @Override
 public boolean isSelectionEmpty() {
   return delegate.isSelectionEmpty();
 }