protected function getRowClasses($row, $count)
    {
        $classes = array();

        if ($count % 2 === 1) {
            $classes[] = 'odd';
        }

        if ($count === 1) {
            $classes[] = 'first';
        }

        if ($count === count($this->model)) {
            $classes[] = 'last';
        }

        return $classes;
    }