static function do_userlabel_actions()
 {
     if (!current_user_can('promote_users')) {
         wp_die(__('You do not have permission to do this.', 'wp-access-areas'));
     }
     wp_enqueue_style('disclosure-admin');
     $table = new UserLabel_List_Table();
     $table->process_bulk_action();
     $redirect_url = false;
     if (isset($_REQUEST['action'])) {
         // do actions
         $data = self::_sanitize_userlabel_data($_POST);
         // integrity check.
         if (!empty($_POST) && !$data['cap_title']) {
             wp_die(__('Please enter a Label.', 'wp-access-areas'));
         }
         if (!empty($_POST) && !wp_verify_nonce(@$_REQUEST['_wpnonce'], 'userlabel-' . $_REQUEST['action']) || !$data['blog_id'] && !current_user_can('manage_network_users')) {
             wp_die(__('You do not have permission to edit network wide user labels.', 'wp-access-areas'));
         }
         switch ($_REQUEST['action']) {
             case 'new':
                 // do create action
                 if (!empty($_POST)) {
                     if ($edit_id = UndisclosedUserlabel::create_userlabel($data)) {
                         $redirect_url = add_query_arg(array('page' => 'user_labels', 'action' => 'new', 'message' => 1), $_SERVER['SCRIPT_NAME']);
                     } else {
                         $redirect_url = add_query_arg(array('page' => 'user_labels', 'action' => 'new', 'message' => UndisclosedUserlabel::what_went_wrong(), 'cap_title' => $_POST['cap_title']), $_SERVER['SCRIPT_NAME']);
                     }
                 }
                 break;
             case 'edit':
                 // update and redirect
                 if (!empty($_POST)) {
                     if ($edit_id = UndisclosedUserlabel::update_userlabel($data)) {
                         $redirect_url = add_query_arg(array('id' => $edit_id, 'message' => 2));
                     } else {
                         $redirect_url = add_query_arg(array('id' => $edit_id, 'message' => UndisclosedUserlabel::what_went_wrong(), 'cap_title' => $_POST['cap_title']));
                     }
                 }
                 if (!isset($_GET['id'])) {
                     $redirect_url = add_query_arg(array('page' => 'user_labels'), $_SERVER['SCRIPT_NAME']);
                 }
                 break;
             case 'delete':
                 // delete and redirect
                 if (isset($_REQUEST['id'])) {
                     if ($deleted = UndisclosedUserlabel::delete_userlabel($_REQUEST['id'])) {
                         $redirect_url = add_query_arg(array('page' => 'user_labels', 'message' => 3, 'deleted' => $deleted), $_SERVER['SCRIPT_NAME']);
                     } else {
                         $redirect_url = add_query_arg(array('page' => 'user_labels', 'message' => UndisclosedUserlabel::what_went_wrong()), $_SERVER['SCRIPT_NAME']);
                     }
                 }
                 break;
             default:
                 wp_redirect(remove_query_arg('action'));
         }
     }
     if ($redirect_url) {
         wp_redirect($redirect_url);
     }
 }