showHijriDatePicker function

Future<HijriCalendar?> showHijriDatePicker({ required BuildContext context, required HijriCalendar initialDate, required HijriCalendar firstDate, required HijriCalendar lastDate, SelectableDayPredicate? selectableDayPredicate, DatePickerMode initialDatePickerMode = DatePickerMode.day, Locale? locale, TextDirection? textDirection, })

Implementation

Future<HijriCalendar?> showHijriDatePicker({
  required BuildContext context,
  required HijriCalendar initialDate,
  required HijriCalendar firstDate,
  required HijriCalendar lastDate,
  SelectableDayPredicate? selectableDayPredicate,
  DatePickerMode initialDatePickerMode: DatePickerMode.day,
  Locale? locale,
  TextDirection? textDirection,
}) async {
  assert(
      !initialDate.isBefore(firstDate.hYear, firstDate.hMonth, firstDate.hDay),
      'initialDate must be on or after firstDate');
  assert(!initialDate.isAfter(lastDate.hYear, lastDate.hMonth, lastDate.hDay),
      'initialDate must be on or before lastDate');
  assert(!firstDate.isAfter(lastDate.hYear, lastDate.hMonth, lastDate.hDay),
      'lastDate must be on or after firstDate');
  assert(selectableDayPredicate == null || selectableDayPredicate(initialDate),
      'Provided initialDate must satisfy provided selectableDayPredicate');

  Widget child = new HijriDatePickerDialog(
    initialDate: initialDate,
    firstDate: firstDate,
    lastDate: lastDate,
    selectableDayPredicate: selectableDayPredicate,
    initialDatePickerMode: initialDatePickerMode,
  );

  if (textDirection != null) {
    child = new Directionality(
      textDirection: textDirection,
      child: child,
    );
  }

  if (locale != null) {
    child = new Localizations.override(
      context: context,
      locale: locale,
      child: child,
    );
  }

  return showDialog<HijriCalendar>(
    context: context,
    builder: (BuildContext context) => child,
  );
}