public function getPaginationButtonModeClass()
    {
        switch ($this->owner->PaginationButtonMode) {
            case self::BUTTON_MODE_ICON:
                return 'icon-only';
            case self::BUTTON_MODE_TEXT:
                return 'text-only';
            case self::BUTTON_MODE_BOTH:
                return 'icon-text';
        }
    }