function enable($aParams)
 {
     $aResult = parent::enable($aParams);
     if (!$aResult['result']) {
         // proces further only in case of successful enable
         return $aResult;
     }
     BxDolImageTranscoder::registerHandlersArray($this->_aTranscoders);
     if ($this->_aMenuTriggers) {
         bx_import('BxDolMenu');
         foreach ($this->_aMenuTriggers as $sMenuTriggerName) {
             BxDolMenu::processMenuTrigger($sMenuTriggerName);
         }
     }
     return $aResult;
 }
 /**
  * 
  * Process the list of menu triggers provided in config array. 
  * It must be specified in the module which adds menu item and in modules where menu items are added, @see BxDolMenu::processMenuTrigger
  * @param string $sOperation - operation type.
  */
 protected function actionProcessMenuTriggers($sOperation)
 {
     if (empty($this->_aConfig['menu_triggers'])) {
         return BX_DOL_STUDIO_INSTALLER_FAILED;
     }
     foreach ($this->_aConfig['menu_triggers'] as $sMenuTriggerName) {
         BxDolMenu::processMenuTrigger($sMenuTriggerName);
     }
     return BX_DOL_STUDIO_INSTALLER_SUCCESS;
 }