/**
  * Switch sui possibili operatori
  * 
  * @param type $tpl
  * @param type $operatorName
  * @param type $operatorParameters
  * @param type $rootNamespace
  * @param type $currentNamespace
  * @param type $operatorValue
  * @param type $namedParameters
  */
 public function modify($tpl, $operatorName, $operatorParameters, $rootNamespace, $currentNamespace, &$operatorValue, $namedParameters)
 {
     $result_type = $namedParameters['result_type'];
     if ($result_type == 'footer_notes') {
         $operatorValue = FooterTool::getFooterNotes();
     } else {
         if ($result_type == 'footer_links') {
             $operatorValue = FooterTool::getFooterLinks();
         } else {
             if ($result_type == 'footer_banners') {
                 $operatorValue = FooterTool::getFooterBanners();
             } else {
                 if ($result_type == 'footer_contacts') {
                     $operatorValue = FooterTool::getFooterContacts();
                 } else {
                     if ($result_type == 'footer_top_links') {
                         $operatorValue = FooterTool::getFooterTopLinks();
                     } else {
                         if ($result_type == 'footer_bottom_links') {
                             $operatorValue = FooterTool::getFooterBottomLinks();
                         }
                     }
                 }
             }
         }
     }
 }