updateSecondIndex method Null safety

  1. @override
void updateSecondIndex(
  1. int index
)
override

更新第二列index

Implementation

@override
void updateSecondIndex(int index) {
  this.secondIndex = index;

  int minMonth = _minMonthOfCurrentYear();
  int destMonth = minMonth + index;
  DateTime newTime;
  //change date time
  int dayCount = calcDateCount(currentTime.year, destMonth);
  newTime = currentTime.isUtc
      ? DateTime.utc(
          currentTime.year,
          destMonth,
          currentTime.day <= dayCount ? currentTime.day : dayCount,
          currentTime.hour,
          currentTime.minute,
          currentTime.second,
        )
      : DateTime(
          currentTime.year,
          destMonth,
          currentTime.day <= dayCount ? currentTime.day : dayCount,
          currentTime.hour,
          currentTime.minute,
          currentTime.second,
        );
  //min/max check
  _checkTime(newTime);

  _fillDayList();
  int minDay = _minDayOfCurrentMonth();
  int minHour = _minHourOfCurrentDay();
  int minMinute = _minMinuteOfCurrentHour();
  int minSecond = _minSecondOfCurrentMinute();

  thirdIndex = currentTime.day - minDay;
  fourthIndex = currentTime.hour - minHour;
  fifthIndex = currentTime.minute - minMinute;
  sixtyIndex = currentTime.second - minSecond;
}