/**
  * Overridden parent method to process form data after submission
  *
  * @throws Exception when rule condition not found
  * @access public
  */
 public function postProcess()
 {
     $data = unserialize($this->ruleCondition->condition_params);
     $data = CRM_CivirulesConditions_Utils_Period::getConditionParams($this->_submitValues, $data);
     $this->ruleCondition->condition_params = serialize($data);
     $this->ruleCondition->save();
     parent::postProcess();
 }