public function getLinkModeOptions()
    {
        return [
            self::LINK_MODE_TITLE  => _t(__CLASS__ . '.TITLE', 'Title'),
            self::LINK_MODE_BUTTON => _t(__CLASS__ . '.BUTTON', 'Button'),
            self::LINK_MODE_BOTH   => _t(__CLASS__ . '.BOTHTITLEANDBUTTON', 'Both Title and Button')
        ];
    }