static function getSelection1($id = NULL)
 {
     $mapping = self::getMapping($id);
     $sel4 = $sel5 = array();
     $options = array('manual' => ts('Choose Recipient(s)'), 'group' => ts('Select a Group'));
     $recipientMapping = array_combine(array_keys($options), array_keys($options));
     foreach ($mapping as $value) {
         $entityRecipient = CRM_Utils_Array::value('entity_recipient', $value);
         $key = CRM_Utils_Array::value('id', $value);
         if ($startDate = CRM_Utils_Array::value('entity_date_start', $value)) {
             $sel4[$startDate] = ucwords(str_replace('_', ' ', $startDate));
         }
         if ($endDate = CRM_Utils_Array::value('entity_date_end', $value)) {
             $sel4[$endDate] = ucwords(str_replace('_', ' ', $endDate));
         }
         switch ($entityRecipient) {
             case 'activity_contacts':
                 $activityContacts = CRM_Core_PseudoConstant::activityContacts();
                 $sel5[$id] = $activityContacts + $options;
                 $recipientMapping += CRM_Core_PseudoConstant::activityContacts('name');
                 break;
             case 'event_contacts':
                 $eventContacts = CRM_Core_PseudoConstant::eventContacts();
                 $sel5[$id] = $eventContacts + $options;
                 $recipientMapping += CRM_Core_PseudoConstant::eventContacts('name');
                 break;
             case NULL:
                 $sel5[$id] = $options;
                 break;
         }
     }
     return array('sel4' => $sel4, 'sel5' => $sel5[$id], 'recipientMapping' => $recipientMapping);
 }
 /**
  * Get all Activity Contacts
  *
  * The static array activityContacts is returned
  *
  * @access public
  * @static
  *
  * @param string $column db column name/label.
  *
  * @return array - array reference of all  activity Contacts
  *
  */
 public static function &activityContacts($column = 'label')
 {
     if (!self::$activityContacts) {
         self::$activityContacts = CRM_Core_OptionGroup::values('activity_contacts', FALSE, FALSE, FALSE, NULL, $column);
     }
     return self::$activityContacts;
 }