/**
* {@inheritdoc}
*/
protected function getUnsetUrlParameters($key, ViewData $data)
{
$parameters = $data->getUrlParameters();
if (isset($parameters[$this->getRequestField()]) && count($parameters[$this->getRequestField()]) > 1) {
$parameters[$this->getRequestField()] = array_values(array_diff($parameters[$this->getRequestField()], [$key]));
} else {
$parameters = $data->getResetUrlParameters();
}
return $parameters;
}
/**
* @param string $key
* @param ViewData $data
*
* @return array
*/
protected function getOptionUrlParameters($key, ViewData $data)
{
$parameters = $data->getResetUrlParameters();
$parameters[$this->getRequestField()] = $key;
return $parameters;
}
/**
* Returns url with selected term disabled.
*
* @param string $key
* @param ViewData $data
*
* @return array
*/
protected function getUnsetUrlParameters($key, ViewData $data)
{
return $data->getResetUrlParameters();
}