Method render

/**
 * Render action button by item value.
 *
 * @param   integer|null  $value        Current value of this item.
 * @param   integer|null  $row          The row number of this item.
 * @param   array         $options      The options to override group options.
 * @param   string|Date   $publishUp    The date which item publish up.
 * @param   string|Date   $publishDown  The date which item publish down.
 *
 * @return  string  Rendered HTML.
 *
 * @since  4.0.0
 */
public function render(?int $value = null, ?int $row = null, array $options = [], $publishUp = null, $publishDown = null) : string
{
    if ($publishUp || $publishDown) {
        $bakState = $this->getState($value);
        $default = $this->getState($value) ?? $this->unknownState;
        $nullDate = Factory::getDbo()->getNullDate();
        $nowDate = Factory::getDate()->toUnix();
        $tz = Factory::getUser()->getTimezone();
        $publishUp = $publishUp !== null && $publishUp !== $nullDate ? Factory::getDate($publishUp, 'UTC')->setTimezone($tz) : false;
        $publishDown = $publishDown !== null && $publishDown !== $nullDate ? Factory::getDate($publishDown, 'UTC')->setTimezone($tz) : false;
        // Add tips and special titles
        // Create special titles for published items
        if ($value === 1) {
            // Create tip text, only we have publish up or down settings
            $tips = array();
            if ($publishUp) {
                $tips[] = Text::sprintf('JLIB_HTML_PUBLISHED_START', HTMLHelper::_('date', $publishUp, Text::_('DATE_FORMAT_LC5'), 'UTC'));
                $tips[] = Text::_('JLIB_HTML_PUBLISHED_UNPUBLISH');
            }
            if ($publishDown) {
                $tips[] = Text::sprintf('JLIB_HTML_PUBLISHED_FINISHED', HTMLHelper::_('date', $publishDown, Text::_('DATE_FORMAT_LC5'), 'UTC'));
            }
            $tip = empty($tips) ? false : implode('<br>', $tips);
            $default['title'] = $tip;
            $options['tip_title'] = Text::_('JLIB_HTML_PUBLISHED_ITEM');
            if ($publishUp && $nowDate < $publishUp->toUnix()) {
                $options['tip_title'] = Text::_('JLIB_HTML_PUBLISHED_PENDING_ITEM');
                $default['icon'] = 'pending';
            }
            if ($publishDown && $nowDate > $publishDown->toUnix()) {
                $options['tip_title'] = Text::_('JLIB_HTML_PUBLISHED_EXPIRED_ITEM');
                $default['icon'] = 'expired';
            }
        }
        $this->states[$value] = $default;
        $html = parent::render($value, $row, $options);
        $this->states[$value] = $bakState;
        return $html;
    }
    return parent::render($value, $row, $options);
}