Ip\Internal\Content\Widget\Map\Controller::generateHtml PHP Method

    public function generateHtml($revisionId, $widgetId, $data, $skin)
    {
        if (!$this->gmapsApiAvailable()) {
            if (ipIsManagementState()) {
                return '<div class="note"><a href="' . ipActionUrl(array('aa' => 'Config')) . '">' . __("Maps widget is based on Google Maps. Please set up Google Maps API key to make it work.", 'Ip-admin') . '</a></div>';
            } else {
                //don't show anything on public site
                return '';
            }
        }
        if (!empty($data['height'])) {
            $data['height'] = (int) $data['height'] . 'px';
        } else {
            $data['height'] = '250px';
        }
        if (empty($data['mapTypeId'])) {
            $data['mapTypeId'] = null;
        }
        if (empty($data['zoom'])) {
            $data['zoom'] = null;
        }
        if (empty($data['lat'])) {
            $data['lat'] = null;
        }
        if (empty($data['lng'])) {
            $data['lng'] = null;
        }
        return parent::generateHtml($revisionId, $widgetId, $data, $skin);
    }