if (strtolower(substr($file_name, -4)) == 'xlsx') {
                 $catalogFill->xls_import($parent_id, $file_name, 'Excel2007');
             }
         }
     }
     //clear MODx cache
     if ($cf_config['include_categories'] || $cf_config['content_type'] == 'documents') {
         $modx->sendRedirect('index.php?a=112&id=' . $_GET['id'] . '&cf_action=clear_cache', 0, 'REDIRECT_HEADER');
         exit;
     }
     break;
 case "export":
     $parent_id = $_POST['parent'];
     $exp_type = isset($_POST['exp_type']) ? $_POST['exp_type'] : 'csv';
     if ($exp_type == 'csv') {
         $catalogFill->csv_export($parent_id);
     } else {
         if ($exp_type == 'xls') {
             $catalogFill->xls_export($parent_id);
         } else {
             if ($exp_type == 'xlsx') {
                 $catalogFill->xls_export($parent_id, 'Excel2007');
             }
         }
     }
     break;
 case "clean_parent":
     $parent_id = $_POST['parent'];
     $catalogFill->cleanParent($parent_id);
     $catalogFill->cleanHermitTVvalues();
     $catalogFill->cleanHermitContent();