private function getCaptionText($langKey)
    {
        $tableName = $this->getMetaModel()->getTableName();
        if (isset($this->objView)
            && isset($GLOBALS['TL_LANG']['MSC'][$tableName][$this->objView->get('id')][$langKey])
        ) {
            return $GLOBALS['TL_LANG']['MSC'][$tableName][$this->objView->get('id')][$langKey];
        } elseif (isset($GLOBALS['TL_LANG']['MSC'][$tableName][$langKey])) {
            return $GLOBALS['TL_LANG']['MSC'][$tableName][$langKey];
        }

        return $GLOBALS['TL_LANG']['MSC'][$langKey];
    }