isValid property

@override bool isValid

Implementation

@override
bool get isValid {
  if (dateFilterType == DATE_FILTER_RANGE) {
    if (dateStart == null && dateEnd == null) {
      return false;
    } else if (dateStart != null && dateEnd != null) {
      if (dateStart!.getDateTimeMillis() > dateEnd!.getDateTimeMillis()) {
        return false;
      }
    }
  }
  return true;
}