private void saveButtonGroupName() {
    String oldName = myGroup.getName();
    String newName = myNameTextField.getText();
    if (!oldName.equals(newName)) {
      myGroup.setName(newName);
      notifyListeners(new ChangeEvent(myGroup));
      if (myGroup.isBound()) {
        BindingProperty.updateBoundFieldName(myRootContainer, oldName, newName, ButtonGroup.class.getName());
      }
    }
  }
private void saveButtonGroupName()