protected function checkIfNoDataForGeoIpReport(ViewDataTable $view)
{
$view->config->filters[] = function ($dataTable) use($view) {
// if there's only one row whose label is 'Unknown', display a message saying there's no data
if ($dataTable->getRowsCount() == 1 && $dataTable->getFirstRow()->getColumn('label') == Piwik::translate('General_Unknown')) {
$footerMessage = Piwik::translate('UserCountry_NoDataForGeoIPReport1');
$userCountry = new UserCountry();
// if GeoIP is working, don't display this part of the message
if (!$userCountry->isGeoIPWorking()) {
$params = array('module' => 'UserCountry', 'action' => 'adminIndex');
$footerMessage .= ' ' . Piwik::translate('UserCountry_NoDataForGeoIPReport2', array('<a target="_blank" href="' . Url::getCurrentQueryStringWithParametersModified($params) . '">', '</a>', '<a rel="noreferrer" target="_blank" href="http://dev.maxmind.com/geoip/geolite?rId=piwik">', '</a>'));
} else {
$footerMessage .= ' ' . Piwik::translate('UserCountry_ToGeolocateOldVisits', array('<a rel="noreferrer" target="_blank" href="http://piwik.org/faq/how-to/#faq_167">', '</a>'));
}
$view->config->show_footer_message = $footerMessage;
}
};
}