function prepare_items()
 {
     $search = NULL;
     if (function_exists('wp_unslash')) {
         $search = isset($_REQUEST['s']) ? wp_unslash(trim($_REQUEST['s'])) : '';
     } else {
         $search = isset($_REQUEST['s']) ? trim($_REQUEST['s']) : '';
     }
     $entity = new WPFront_User_Role_Editor_Entity_Content_Shortcodes();
     $per_page = 20;
     $count = $entity->count($search);
     $page = isset($_GET['paged']) ? $_GET['paged'] : '1';
     $page = (int) $page;
     if ($page <= 0) {
         $page = 1;
     }
     if ($page > ceil($count / $per_page)) {
         $page = ceil($count / $per_page);
     }
     $this->items = $entity->get_all_shortcodes($page - 1, $per_page, $search);
     $this->set_pagination_args(array('total_items' => $count, 'per_page' => $per_page));
 }
 public function plugins_loaded()
 {
     $entity = new WPFront_User_Role_Editor_Entity_Content_Shortcodes();
     $shortcodes = $entity->get_all_shortcodes();
     foreach ($shortcodes as $code) {
         add_shortcode($code->get_shortcode(), array($this, 'process_shortcode'));
     }
 }