/**
* Get the filter's buttons parameters such as buttons' labels,
* class names and attributes
* @param Array dBtnParams (optional)
* @return Array
*/
public function getFilterButtonParams($dBtnParams = null)
{
$mBtnParams = parent::getFilterButtonParams();
if ($this->hasDependent && !is_null($dBtnParams)) {
$mBtnParams['hasMultiselectBtn'] = $mBtnParams['hasMultiselectBtn'] || $dBtnParams['hasMultiselectBtn'];
$mBtnParams['hasApplyBtn'] = $mBtnParams['hasApplyBtn'] || $dBtnParams['hasApplyBtn'];
}
return $mBtnParams;
}
