public static IPromise <object> showDatePicker( BuildContext context, DateTime initialDate, DateTime firstDate, DateTime lastDate, SelectableDayPredicate selectableDayPredicate = null, DatePickerMode initialDatePickerMode = DatePickerMode.day, Locale locale = null, TransitionBuilder builder = null ) { D.assert(initialDate >= firstDate, () => "initialDate must be on or after firstDate"); D.assert(initialDate <= lastDate, () => "initialDate must be on or before lastDate"); D.assert(firstDate <= lastDate, () => "lastDate must be on or after firstDate"); D.assert( selectableDayPredicate == null || selectableDayPredicate(initialDate), () => "Provided initialDate must satisfy provided selectableDayPredicate" ); D.assert(context != null); D.assert(MaterialD.debugCheckHasMaterialLocalizations(context)); Widget child = new _DatePickerDialog( initialDate: initialDate, firstDate: firstDate, lastDate: lastDate, selectableDayPredicate: selectableDayPredicate, initialDatePickerMode: initialDatePickerMode ); if (locale != null) { child = Localizations.overrides( context: context, locale: locale, child: child ); } return(DialogUtils.showDialog( context: context, builder: (BuildContext _context) => { return builder == null ? child : builder(_context, child); } )); }
public static Future <DateTime> showDatePicker( BuildContext context, DateTime initialDate, DateTime firstDate, DateTime lastDate, DatePickerEntryMode initialEntryMode = DatePickerEntryMode.calendar, material_.SelectableDayPredicate selectableDayPredicate = null, string helpText = null, string cancelText = null, string confirmText = null, Locale locale = null, bool useRootNavigator = true, RouteSettings routeSettings = null, TextDirection?textDirection = null, TransitionBuilder builder = null, DatePickerMode initialDatePickerMode = DatePickerMode.day, string errorFormatText = null, string errorInvalidText = null, string fieldHintText = null, string fieldLabelText = null ) { D.assert(context != null); initialDate = utils.dateOnly(initialDate); firstDate = utils.dateOnly(firstDate); lastDate = utils.dateOnly(lastDate); D.assert( !lastDate.isBefore(firstDate), () => $"lastDate {lastDate} must be on or after firstDate {firstDate}." ); D.assert( !initialDate.isBefore(firstDate), () => $"initialDate {initialDate} must be on or after firstDate {firstDate}." ); D.assert( !initialDate.isAfter(lastDate), () => $"initialDate {initialDate} must be on or before lastDate {lastDate}." ); D.assert( selectableDayPredicate == null || selectableDayPredicate(initialDate), () => $"Provided initialDate {initialDate} must satisfy provided selectableDayPredicate." ); D.assert(initialEntryMode != null); D.assert(initialDatePickerMode != null); D.assert(material_.debugCheckHasMaterialLocalizations(context)); Widget dialog = new _DatePickerDialog( initialDate: initialDate, firstDate: firstDate, lastDate: lastDate, initialEntryMode: initialEntryMode, selectableDayPredicate: selectableDayPredicate, helpText: helpText, cancelText: cancelText, confirmText: confirmText, initialCalendarMode: initialDatePickerMode, errorFormatText: errorFormatText, errorInvalidText: errorInvalidText, fieldHintText: fieldHintText, fieldLabelText: fieldLabelText ); if (textDirection != null) { dialog = new Directionality( textDirection: textDirection.Value, child: dialog ); } if (locale != null) { dialog = Localizations.overrides( context: context, locale: locale, child: dialog ); } return(material_.showDialog <DateTime>( context: context, useRootNavigator: useRootNavigator, routeSettings: routeSettings, builder: (BuildContext subContext) => { return builder == null ? dialog : builder(subContext, dialog); } )); }