/**
  * Sets the "selected" attribute of the Estado controller in order to display its data in its View
  * dialog.
  *
  * @param event Event object for the widget that triggered an action
  */
 public void prepareIdEstado(ActionEvent event) {
   if (this.getSelected() != null && idEstadoController.getSelected() == null) {
     idEstadoController.setSelected(this.getSelected().getIdEstado());
   }
 }