isValid property

@override bool isValid

Implementation

@override
bool get isValid {
  if (param == null) return false;
  if (numberFilterType == NUMBER_FILTER_RANGE) {
    if (valueMin == null || valueMax == null) {
      return false;
    } else if (valueMin! > valueMax!) {
      return false;
    }
  }
  return true;
}