Returns the current locale for this box.
        
        :return     <babel.Locale> || None

def currentLocale(self):
        """
        Returns the current locale for this box.
        
        :return     <babel.Locale> || None
        """
        try:
            return babel.Locale.parse(self.itemData(self.currentIndex()))
        except ImportError, err:
            log.error('babel is not installed.')
            return None