/**
  * Returns a user friendly text explaining the condition params
  * e.g. 'Older than 65'
  *
  * @return string
  * @access public
  */
 public function userFriendlyConditionParams()
 {
     $operators = CRM_CivirulesConditions_Contact_InGroup::getOperatorOptions();
     $operator = $this->conditionParams['operator'];
     $operatorLabel = ts('unknown');
     if (isset($operators[$operator])) {
         $operatorLabel = $operators[$operator];
     }
     $groups = '';
     foreach ($this->conditionParams['group_ids'] as $gid) {
         if (strlen($groups)) {
             $groups .= ', ';
         }
         $groups .= civicrm_api3('Group', 'getvalue', array('return' => 'title', 'id' => $gid));
     }
     return $operatorLabel . ' groups (' . $groups . ')';
 }
 /**
  * Method to get operators
  *
  * @return array
  * @access protected
  */
 protected function getOperators()
 {
     return CRM_CivirulesConditions_Contact_InGroup::getOperatorOptions();
 }