/**
  * Run the basic page (run essentially starts execution for that page).
  */
 public function run()
 {
     $parentEventId = $startDate = $endDate = NULL;
     $dates = $original = array();
     $formValues = $_REQUEST;
     if (!empty($formValues['entity_table'])) {
         $startDateColumnName = CRM_Core_BAO_RecurringEntity::$_dateColumns[$formValues['entity_table']]['dateColumns'][0];
         $endDateColumnName = CRM_Core_BAO_RecurringEntity::$_dateColumns[$formValues['entity_table']]['intervalDateColumns'][0];
         $recursion = new CRM_Core_BAO_RecurringEntity();
         if (CRM_Utils_Array::value('dateColumns', CRM_Core_BAO_RecurringEntity::$_dateColumns[$formValues['entity_table']])) {
             $recursion->dateColumns = CRM_Core_BAO_RecurringEntity::$_dateColumns[$formValues['entity_table']]['dateColumns'];
         }
         $recursion->scheduleFormValues = $formValues;
         if (!empty($formValues['exclude_date_list'])) {
             $recursion->excludeDates = explode(',', $formValues['exclude_date_list']);
         }
         if (CRM_Utils_Array::value('excludeDateRangeColumns', CRM_Core_BAO_RecurringEntity::$_dateColumns[$formValues['entity_table']])) {
             $recursion->excludeDateRangeColumns = CRM_Core_BAO_RecurringEntity::$_dateColumns[$formValues['entity_table']]['excludeDateRangeColumns'];
         }
         if (!empty($formValues['entity_id'])) {
             $parentEventId = CRM_Core_BAO_RecurringEntity::getParentFor($formValues['entity_id'], $formValues['entity_table']);
         }
         // Get original entity
         $original[$startDateColumnName] = CRM_Utils_Date::processDate($formValues['repetition_start_date']);
         $daoName = CRM_Core_BAO_RecurringEntity::$_tableDAOMapper[$formValues['entity_table']];
         if ($parentEventId) {
             $startDate = $original[$startDateColumnName] = CRM_Core_DAO::getFieldValue($daoName, $parentEventId, $startDateColumnName);
             $endDate = $original[$startDateColumnName] = $endDateColumnName ? CRM_Core_DAO::getFieldValue($daoName, $parentEventId, $endDateColumnName) : NULL;
         }
         //Check if there is any enddate column defined to find out the interval between the two range
         if (CRM_Utils_Array::value('intervalDateColumns', CRM_Core_BAO_RecurringEntity::$_dateColumns[$formValues['entity_table']])) {
             if ($endDate) {
                 $interval = $recursion->getInterval($startDate, $endDate);
                 $recursion->intervalDateColumns = array($endDateColumnName => $interval);
             }
         }
         $dates = array_merge(array($original), $recursion->generateRecursiveDates());
         foreach ($dates as $key => &$value) {
             if ($startDateColumnName) {
                 $value['start_date'] = CRM_Utils_Date::customFormat($value[$startDateColumnName]);
             }
             if ($endDateColumnName && !empty($value[$endDateColumnName])) {
                 $value['end_date'] = CRM_Utils_Date::customFormat($value[$endDateColumnName]);
                 $endDates = TRUE;
             }
         }
         //Show the list of participants registered for the events if any
         if ($formValues['entity_table'] == "civicrm_event" && !empty($parentEventId)) {
             $getConnectedEntities = CRM_Core_BAO_RecurringEntity::getEntitiesForParent($parentEventId, 'civicrm_event', TRUE);
             if ($getConnectedEntities) {
                 $participantDetails = CRM_Event_Form_ManageEvent_Repeat::getParticipantCountforEvent($getConnectedEntities);
                 if (!empty($participantDetails['countByName'])) {
                     $this->assign('participantData', $participantDetails['countByName']);
                 }
             }
         }
     }
     $this->assign('dates', $dates);
     $this->assign('endDates', !empty($endDates));
     return parent::run();
 }