public function generateWizard($dataContainer)
    {
        if (!isset($GLOBALS['TL_DCA'][$dataContainer->table]['fields'][$dataContainer->field]['eval']['coordinates'])) {
            return '';
        }

        return sprintf(
            '<a href="#" onclick="$(\'ctrl_%s_toggle\').click();return false;"><img src="%s"></a>',
            $GLOBALS['TL_DCA'][$dataContainer->table]['fields'][$dataContainer->field]['eval']['coordinates'],
            'bundles/leafletgeocodewidget/img/map.png'
        );
    }