private void setSelection(String selectedCode) {
   _selectedCode = selectedCode;
   Term term = null;
   if (_selectedCode != null) {
     term = _controller.getCurrentTermDefinition().getTerms().get(selectedCode);
     if (term != null) {
       getCodedTextButton().setText(term.getText());
       getCodedTextButton().setToolTipText(term.getDescription());
     }
   }
   if (term == null) {
     String label = OpenEHRLanguageManager.getMessage("SelectTerm");
     getCodedTextButton().setText(label);
     getCodedTextButton().setToolTipText(label);
   }
 }