private function _loadPluginsEditorTop()
 {
     if (!($pluginsEditorTop = $this->_helper->cache->load(Helpers_Action_Cache::KEY_PLUGINEDITOR_TOP, Helpers_Action_Cache::PREFIX_PLUGINEDITOR_TOP))) {
         $pluginsEditorTop = Tools_Plugins_Tools::getPluginEditorTop();
         $this->_helper->cache->save(Helpers_Action_Cache::KEY_PLUGINEDITOR_LINKS, $pluginsEditorTop, Helpers_Action_Cache::PREFIX_PLUGINEDITOR_TOP, array(), Helpers_Action_Cache::CACHE_LONG);
     }
     return $pluginsEditorTop;
 }