/**
  * Gather data and build rows
  * @param	array	$filter
  */
 function getItems(array $filter)
 {
     global $ilUser;
     $this->determineOffsetAndOrder();
     if (!$filter["object"]) {
         $ids = array_keys($this->objects);
     } else {
         $ids = array($filter["object"]);
     }
     if (!$this->show_all) {
         $filter["user_id"] = $ilUser->getId();
     }
     include_once "Modules/BookingManager/classes/class.ilBookingReservation.php";
     $data = ilBookingReservation::getListByDate($this->has_schedule, $ids, $this->getOrderField(), $this->getOrderDirection(), $this->getOffset(), $this->getLimit(), $filter);
     $this->setData($data['data']);
     $this->setMaxCount($data['counter']);
 }