/**
  * getAdminUrl
  * 
  * @param string $action
  * @param array $parameters
  * 
  * @return string
  */
 public function getAdminUrl($action, array $parameters = array())
 {
     if (isset($parameters['object'])) {
         $slug = $this->core->getAdminSlug($parameters['object']);
         $url = $this->core->getUrl($slug, $action, $parameters);
         return $url;
     } else {
         $slug = $this->core->getCurrentSlug();
         if ($slug) {
             $url = $this->core->getUrl($slug, $action, $parameters);
             return $url;
         }
     }
 }