/**
  * Get the name of the current module.
  *
  * @return string The module name (Videofile)
  */
 protected function get_module_name()
 {
     if (isset(self::$modulename)) {
         return self::$modulename;
     }
     self::$modulename = get_string('modulename', 'videofile');
     return self::$modulename;
 }