private function _loadPluginsEditorLinks()
 {
     if (!($pluginsEditorLinks = $this->_helper->cache->load(Helpers_Action_Cache::KEY_PLUGINEDITOR_LINKS, Helpers_Action_Cache::PREFIX_PLUGINEDITOR_LINKS))) {
         $pluginsEditorLinks = Tools_Plugins_Tools::getPluginEditorLink();
         $this->_helper->cache->save(Helpers_Action_Cache::KEY_PLUGINEDITOR_LINKS, $pluginsEditorLinks, Helpers_Action_Cache::PREFIX_PLUGINEDITOR_LINKS, array(), Helpers_Action_Cache::CACHE_LONG);
     }
     return $pluginsEditorLinks;
 }