protected function getUrlSparkline($action, $customParameters = array())
{
$params = $this->getGraphParamsModified(array('viewDataTable' => 'sparkline', 'action' => $action, 'module' => $this->pluginName) + $customParameters);
// convert array values to comma separated
foreach ($params as &$value) {
if (is_array($value)) {
$value = rawurlencode(implode(',', $value));
}
}
$url = Url::getCurrentQueryStringWithParametersModified($params);
return $url;
}