getLength method

@override int getLength()

Implementation

@override
int getLength() {
  int v = (customColumnType == null
      ? lengths[type][_col]
      : columnTypeLength[customColumnType![_col]])!;
  if (v == 0) {
    int ye = yearEnd!;
    if (maxValue != null) ye = maxValue!.year;
    return ye - _yearBegin + 1;
  }
  if (v == 31) return _calcDateCount(value!.year, value!.month);
  int _type = getColumnType(_col);
  switch (_type) {
    case 3: // hour
      if ((minHour != null && minHour! >= 0) ||
          (maxHour != null && maxHour! <= 23))
        return (maxHour ?? 23) - (minHour ?? 0) + 1;
      break;
    case 4: // minute
      if (minuteInterval != null && minuteInterval! > 1)
        return v ~/ minuteInterval!;
      break;
    case 7: // hour am/pm
      if ((minHour != null && minHour! >= 0) ||
          (maxHour != null && maxHour! <= 23)) if (_colAP < 0) {
        // I don't know AM or PM
        return 12;
      } else {
        var _min = 0;
        var _max = 0;
        if (picker!.selecteds[_colAP] == 0) {
          // am
          _min = minHour == null
              ? 1
              : minHour! >= 12
                  ? 12
                  : minHour! + 1;
          _max = maxHour == null
              ? 12
              : maxHour! >= 12
                  ? 12
                  : maxHour! + 1;
        } else {
          // pm
          _min = minHour == null
              ? 1
              : minHour! >= 12
                  ? 24 - minHour! - 12
                  : 1;
          _max = maxHour == null
              ? 12
              : maxHour! >= 12
                  ? maxHour! - 12
                  : 1;
        }
        return _max > _min ? _max - _min + 1 : _min - _max + 1;
      }
      break;
  }
  return v;
}