private void fillActionComboBox() {
   actionComboBox.removeAllItems();
   Object o = modelComboBox.getSelectedItem();
   if (o instanceof BasicModel) {
     BasicModel model = (BasicModel) o;
     Map switchMap = model.getSwitches();
     if (switchMap != null) {
       synchronized (switchMap) {
         for (Iterator it = switchMap.keySet().iterator(); it.hasNext(); ) {
           actionComboBox.addItem(switchMap.get(it.next()));
         }
       }
       Object scriptAction = getScriptAction(switchMap);
       if (scriptAction != null) {
         actionComboBox.setSelectedItem(scriptAction);
       }
     }
   }
 }