packages/flutter/lib/src/cupertino/localizations.dart - mirrors/flutter - Git at Google

 // Copyright 2014 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';

 import 'debug.dart';

 // Examples can assume:
 // late BuildContext context;

 /// Determines the order of the columns inside [CupertinoDatePicker] in
 /// time and date time mode.
 enum DatePickerDateTimeOrder {
   /// Order of the columns, from left to right: date, hour, minute, am/pm.
   ///
   /// Example: Fri Aug 31 | 02 | 08 | PM.
   date_time_dayPeriod,
   /// Order of the columns, from left to right: date, am/pm, hour, minute.
   ///
   /// Example: Fri Aug 31 | PM | 02 | 08.
   date_dayPeriod_time,
   /// Order of the columns, from left to right: hour, minute, am/pm, date.
   ///
   /// Example: 02 | 08 | PM | Fri Aug 31.
   time_dayPeriod_date,
   /// Order of the columns, from left to right: am/pm, hour, minute, date.
   ///
   /// Example: PM | 02 | 08 | Fri Aug 31.
   dayPeriod_time_date,
 }

 /// Determines the order of the columns inside [CupertinoDatePicker] in date mode.
 enum DatePickerDateOrder {
   /// Order of the columns, from left to right: day, month, year.
   ///
   /// Example: 12 | March | 1996.
   dmy,
   /// Order of the columns, from left to right: month, day, year.
   ///
   /// Example: March | 12 | 1996.
   mdy,
   /// Order of the columns, from left to right: year, month, day.
   ///
   /// Example: 1996 | March | 12.
   ymd,
   /// Order of the columns, from left to right: year, day, month.
   ///
   /// Example: 1996 | 12 | March.
   ydm,
 }

 /// Defines the localized resource values used by the Cupertino widgets.
 ///
 /// See also:
 ///
 ///  * [DefaultCupertinoLocalizations], the default, English-only, implementation
 ///    of this interface.
 // TODO(xster): Supply non-english strings.
 abstract class CupertinoLocalizations {
   /// Year that is shown in [CupertinoDatePicker] spinner corresponding to the
   /// given year index.
   ///
   /// Examples: datePickerYear(1) in:
   ///
   ///  - US English: 2018
   ///  - Korean: 2018년
   // The global version uses date symbols data from the intl package.
   String datePickerYear(int yearIndex);

   /// Month that is shown in [CupertinoDatePicker] spinner corresponding to
   /// the given month index.
   ///
   /// Examples: datePickerMonth(1) in:
   ///
   ///  - US English: January
   ///  - Korean: 1월
   // The global version uses date symbols data from the intl package.
   String datePickerMonth(int monthIndex);

   /// Day of month that is shown in [CupertinoDatePicker] spinner corresponding
   /// to the given day index.
   ///
   /// If weekDay is provided then it will also show weekday name alongside the numerical day.
   ///
   /// Examples: datePickerDayOfMonth(1) in:
   ///
   ///  - US English: 1
   ///  - Korean: 1일
   /// Examples: datePickerDayOfMonth(1, 1) in:
   ///
   ///  - US English: Mon 1
   // The global version uses date symbols data from the intl package.
   String datePickerDayOfMonth(int dayIndex, [int? weekDay]);

   /// The medium-width date format that is shown in [CupertinoDatePicker]
   /// spinner. Abbreviates month and days of week.
   ///
   /// Examples:
   ///
   /// - US English: Wed Sep 27
   /// - Russian: ср сент. 27
   // The global version is based on intl package's DateFormat.MMMEd.
   String datePickerMediumDate(DateTime date);

   /// Hour that is shown in [CupertinoDatePicker] spinner corresponding
   /// to the given hour value.
   ///
   /// Examples: datePickerHour(1) in:
   ///
   ///  - US English: 1
   ///  - Arabic: ٠١
   // The global version uses date symbols data from the intl package.
   String datePickerHour(int hour);

   /// Semantics label for the given hour value in [CupertinoDatePicker].
   // The global version uses the translated string from the arb file.
   String? datePickerHourSemanticsLabel(int hour);

   /// Minute that is shown in [CupertinoDatePicker] spinner corresponding
   /// to the given minute value.
   ///
   /// Examples: datePickerMinute(1) in:
   ///
   ///  - US English: 01
   ///  - Arabic: ٠١
   // The global version uses date symbols data from the intl package.
   String datePickerMinute(int minute);

   /// Semantics label for the given minute value in [CupertinoDatePicker].
   // The global version uses the translated string from the arb file.
   String? datePickerMinuteSemanticsLabel(int minute);

   /// The order of the date elements that will be shown in [CupertinoDatePicker].
   // The global version uses the translated string from the arb file.
   DatePickerDateOrder get datePickerDateOrder;

   /// The order of the time elements that will be shown in [CupertinoDatePicker].
   // The global version uses the translated string from the arb file.
   DatePickerDateTimeOrder get datePickerDateTimeOrder;

   /// The abbreviation for ante meridiem (before noon) shown in the time picker.
   // The global version uses the translated string from the arb file.
   String get anteMeridiemAbbreviation;

   /// The abbreviation for post meridiem (after noon) shown in the time picker.
   // The global version uses the translated string from the arb file.
   String get postMeridiemAbbreviation;

   /// Label shown in date pickers when the date is today.
   // The global version uses the translated string from the arb file.
   String get todayLabel;

   /// The term used by the system to announce dialog alerts.
   // The global version uses the translated string from the arb file.
   String get alertDialogLabel;

   /// The accessibility label used on a tab in a [CupertinoTabBar].
   ///
   /// This message describes the index of the selected tab and how many tabs
   /// there are, e.g. 'tab, 1 of 2' in United States English.
   ///
   /// `tabIndex` and `tabCount` must be greater than or equal to one.
   String tabSemanticsLabel({required int tabIndex, required int tabCount});

   /// Hour that is shown in [CupertinoTimerPicker] corresponding to
   /// the given hour value.
   ///
   /// Examples: timerPickerHour(1) in:
   ///
   ///  - US English: 1
   ///  - Arabic: ١
   // The global version uses date symbols data from the intl package.
   String timerPickerHour(int hour);

   /// Minute that is shown in [CupertinoTimerPicker] corresponding to
   /// the given minute value.
   ///
   /// Examples: timerPickerMinute(1) in:
   ///
   ///  - US English: 1
   ///  - Arabic: ١
   // The global version uses date symbols data from the intl package.
   String timerPickerMinute(int minute);

   /// Second that is shown in [CupertinoTimerPicker] corresponding to
   /// the given second value.
   ///
   /// Examples: timerPickerSecond(1) in:
   ///
   ///  - US English: 1
   ///  - Arabic: ١
   // The global version uses date symbols data from the intl package.
   String timerPickerSecond(int second);

   /// Label that appears next to the hour picker in
   /// [CupertinoTimerPicker] when selected hour value is `hour`.
   /// This function will deal with pluralization based on the `hour` parameter.
   // The global version uses the translated string from the arb file.
   String? timerPickerHourLabel(int hour);

   /// All possible hour labels that appears next to the hour picker in
   /// [CupertinoTimerPicker]
   List<String> get timerPickerHourLabels;

   /// Label that appears next to the minute picker in
   /// [CupertinoTimerPicker] when selected minute value is `minute`.
   /// This function will deal with pluralization based on the `minute` parameter.
   // The global version uses the translated string from the arb file.
   String? timerPickerMinuteLabel(int minute);

   /// All possible minute labels that appears next to the minute picker in
   /// [CupertinoTimerPicker]
   List<String> get timerPickerMinuteLabels;

   /// Label that appears next to the minute picker in
   /// [CupertinoTimerPicker] when selected minute value is `second`.
   /// This function will deal with pluralization based on the `second` parameter.
   // The global version uses the translated string from the arb file.
   String? timerPickerSecondLabel(int second);

   /// All possible second labels that appears next to the second picker in
   /// [CupertinoTimerPicker]
   List<String> get timerPickerSecondLabels;

   /// The term used for cutting.
   // The global version uses the translated string from the arb file.
   String get cutButtonLabel;

   /// The term used for copying.
   // The global version uses the translated string from the arb file.
   String get copyButtonLabel;

   /// The term used for pasting.
   // The global version uses the translated string from the arb file.
   String get pasteButtonLabel;

   /// Label that appears in the Cupertino toolbar when the spell checker
   /// couldn't find any replacements for the current word.
   // The global version uses the translated string from the arb file.
   String get noSpellCheckReplacementsLabel;

   /// The term used for selecting everything.
   // The global version uses the translated string from the arb file.
   String get selectAllButtonLabel;

   /// The term used for looking up a selection.
   // The global version uses the translated string from the arb file.
   String get lookUpButtonLabel;

   /// The default placeholder used in [CupertinoSearchTextField].
   // The global version uses the translated string from the arb file.
   String get searchTextFieldPlaceholderLabel;

   /// Label read out by accessibility tools (VoiceOver) for a modal
   /// barrier to indicate that a tap dismisses the barrier.
   ///
   /// A modal barrier can for example be found behind an alert or popup to block
   /// user interaction with elements behind it.
   String get modalBarrierDismissLabel;

   /// Label read out by accessibility tools (VoiceOver) for a context menu to
   /// indicate that a tap outside dismisses the context menu.
   String get menuDismissLabel;

   /// The `CupertinoLocalizations` from the closest [Localizations] instance
   /// that encloses the given context.
   ///
   /// If no [CupertinoLocalizations] are available in the given `context`, this
   /// method throws an exception.
   ///
   /// This method is just a convenient shorthand for:
   /// `Localizations.of<CupertinoLocalizations>(context, CupertinoLocalizations)!`.
   ///
   /// References to the localized resources defined by this class are typically
   /// written in terms of this method. For example:
   ///
   /// ```dart
   /// CupertinoLocalizations.of(context).anteMeridiemAbbreviation;
   /// ```
   static CupertinoLocalizations of(BuildContext context) {
     assert(debugCheckHasCupertinoLocalizations(context));
     return Localizations.of<CupertinoLocalizations>(context, CupertinoLocalizations)!;
   }
 }

 class _CupertinoLocalizationsDelegate extends LocalizationsDelegate<CupertinoLocalizations> {
   const _CupertinoLocalizationsDelegate();

   @override
   bool isSupported(Locale locale) => locale.languageCode == 'en';

   @override
   Future<CupertinoLocalizations> load(Locale locale) => DefaultCupertinoLocalizations.load(locale);

   @override
   bool shouldReload(_CupertinoLocalizationsDelegate old) => false;

   @override
   String toString() => 'DefaultCupertinoLocalizations.delegate(en_US)';
 }

 /// US English strings for the Cupertino widgets.
 class DefaultCupertinoLocalizations implements CupertinoLocalizations {
   /// Constructs an object that defines the cupertino widgets' localized strings
   /// for US English (only).
   ///
   /// [LocalizationsDelegate] implementations typically call the static [load]
   /// function, rather than constructing this class directly.
   const DefaultCupertinoLocalizations();

   /// Short version of days of week.
   static const List<String> shortWeekdays = <String>[
     'Mon',
     'Tue',
     'Wed',
     'Thu',
     'Fri',
     'Sat',
     'Sun',
   ];

   static const List<String> _shortMonths = <String>[
     'Jan',
     'Feb',
     'Mar',
     'Apr',
     'May',
     'Jun',
     'Jul',
     'Aug',
     'Sep',
     'Oct',
     'Nov',
     'Dec',
   ];

   static const List<String> _months = <String>[
     'January',
     'February',
     'March',
     'April',
     'May',
     'June',
     'July',
     'August',
     'September',
     'October',
     'November',
     'December',
   ];


   @override
   String datePickerYear(int yearIndex) => yearIndex.toString();

   @override
   String datePickerMonth(int monthIndex) => _months[monthIndex - 1];

   @override
   String datePickerDayOfMonth(int dayIndex, [int? weekDay]) {
     if (weekDay != null) {
       return ' ${shortWeekdays[weekDay - DateTime.monday]} $dayIndex ';
     }

     return dayIndex.toString();
   }

   @override
   String datePickerHour(int hour) => hour.toString();

   @override
   String datePickerHourSemanticsLabel(int hour) => "$hour o'clock";

   @override
   String datePickerMinute(int minute) => minute.toString().padLeft(2, '0');

   @override
   String datePickerMinuteSemanticsLabel(int minute) {
     if (minute == 1) {
       return '1 minute';
     }
     return '$minute minutes';
   }

   @override
   String datePickerMediumDate(DateTime date) {
     return '${shortWeekdays[date.weekday - DateTime.monday]} '
       '${_shortMonths[date.month - DateTime.january]} '
       '${date.day.toString().padRight(2)}';
   }

   @override
   DatePickerDateOrder get datePickerDateOrder => DatePickerDateOrder.mdy;

   @override
   DatePickerDateTimeOrder get datePickerDateTimeOrder => DatePickerDateTimeOrder.date_time_dayPeriod;

   @override
   String get anteMeridiemAbbreviation => 'AM';

   @override
   String get postMeridiemAbbreviation => 'PM';

   @override
   String get todayLabel => 'Today';

   @override
   String get alertDialogLabel => 'Alert';

   @override
   String tabSemanticsLabel({required int tabIndex, required int tabCount}) {
     assert(tabIndex >= 1);
     assert(tabCount >= 1);
     return 'Tab $tabIndex of $tabCount';
   }

   @override
   String timerPickerHour(int hour) => hour.toString();

   @override
   String timerPickerMinute(int minute) => minute.toString();

   @override
   String timerPickerSecond(int second) => second.toString();

   @override
   String timerPickerHourLabel(int hour) => hour == 1 ? 'hour' : 'hours';

   @override
   List<String> get timerPickerHourLabels => const <String>['hour', 'hours'];

   @override
   String timerPickerMinuteLabel(int minute) => 'min.';

   @override
   List<String> get timerPickerMinuteLabels => const <String>['min.'];

   @override
   String timerPickerSecondLabel(int second) => 'sec.';

   @override
   List<String> get timerPickerSecondLabels => const <String>['sec.'];

   @override
   String get cutButtonLabel => 'Cut';

   @override
   String get copyButtonLabel => 'Copy';

   @override
   String get pasteButtonLabel => 'Paste';

   @override
   String get noSpellCheckReplacementsLabel => 'No Replacements Found';

   @override
   String get selectAllButtonLabel => 'Select All';

   @override
   String get lookUpButtonLabel => 'Look Up';

   @override
   String get searchTextFieldPlaceholderLabel => 'Search';

   @override
   String get modalBarrierDismissLabel => 'Dismiss';

   @override
   String get menuDismissLabel => 'Dismiss menu';

   /// Creates an object that provides US English resource values for the
   /// cupertino library widgets.
   ///
   /// The [locale] parameter is ignored.
   ///
   /// This method is typically used to create a [LocalizationsDelegate].
   static Future<CupertinoLocalizations> load(Locale locale) {
     return SynchronousFuture<CupertinoLocalizations>(const DefaultCupertinoLocalizations());
   }

   /// A [LocalizationsDelegate] that uses [DefaultCupertinoLocalizations.load]
   /// to create an instance of this class.
   static const LocalizationsDelegate<CupertinoLocalizations> delegate = _CupertinoLocalizationsDelegate();
 }
	// Copyright 2014 The Flutter Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	import 'package:flutter/foundation.dart';
	import 'package:flutter/widgets.dart';

	import 'debug.dart';

	// Examples can assume:
	// late BuildContext context;

	/// Determines the order of the columns inside [CupertinoDatePicker] in
	/// time and date time mode.
	enum DatePickerDateTimeOrder {
	/// Order of the columns, from left to right: date, hour, minute, am/pm.
	///
	/// Example: Fri Aug 31 \| 02 \| 08 \| PM.
	date_time_dayPeriod,
	/// Order of the columns, from left to right: date, am/pm, hour, minute.
	///
	/// Example: Fri Aug 31 \| PM \| 02 \| 08.
	date_dayPeriod_time,
	/// Order of the columns, from left to right: hour, minute, am/pm, date.
	///
	/// Example: 02 \| 08 \| PM \| Fri Aug 31.
	time_dayPeriod_date,
	/// Order of the columns, from left to right: am/pm, hour, minute, date.
	///
	/// Example: PM \| 02 \| 08 \| Fri Aug 31.
	dayPeriod_time_date,
	}

	/// Determines the order of the columns inside [CupertinoDatePicker] in date mode.
	enum DatePickerDateOrder {
	/// Order of the columns, from left to right: day, month, year.
	///
	/// Example: 12 \| March \| 1996.
	dmy,
	/// Order of the columns, from left to right: month, day, year.
	///
	/// Example: March \| 12 \| 1996.
	mdy,
	/// Order of the columns, from left to right: year, month, day.
	///
	/// Example: 1996 \| March \| 12.
	ymd,
	/// Order of the columns, from left to right: year, day, month.
	///
	/// Example: 1996 \| 12 \| March.
	ydm,
	}

	/// Defines the localized resource values used by the Cupertino widgets.
	///
	/// See also:
	///
	/// * [DefaultCupertinoLocalizations], the default, English-only, implementation
	/// of this interface.
	// TODO(xster): Supply non-english strings.
	abstract class CupertinoLocalizations {
	/// Year that is shown in [CupertinoDatePicker] spinner corresponding to the
	/// given year index.
	///
	/// Examples: datePickerYear(1) in:
	///
	/// - US English: 2018
	/// - Korean: 2018년
	// The global version uses date symbols data from the intl package.
	String datePickerYear(int yearIndex);

	/// Month that is shown in [CupertinoDatePicker] spinner corresponding to
	/// the given month index.
	///
	/// Examples: datePickerMonth(1) in:
	///
	/// - US English: January
	/// - Korean: 1월
	// The global version uses date symbols data from the intl package.
	String datePickerMonth(int monthIndex);

	/// Day of month that is shown in [CupertinoDatePicker] spinner corresponding
	/// to the given day index.
	///
	/// If weekDay is provided then it will also show weekday name alongside the numerical day.
	///
	/// Examples: datePickerDayOfMonth(1) in:
	///
	/// - US English: 1
	/// - Korean: 1일
	/// Examples: datePickerDayOfMonth(1, 1) in:
	///
	/// - US English: Mon 1
	// The global version uses date symbols data from the intl package.
	String datePickerDayOfMonth(int dayIndex, [int? weekDay]);

	/// The medium-width date format that is shown in [CupertinoDatePicker]
	/// spinner. Abbreviates month and days of week.
	///
	/// Examples:
	///
	/// - US English: Wed Sep 27
	/// - Russian: ср сент. 27
	// The global version is based on intl package's DateFormat.MMMEd.
	String datePickerMediumDate(DateTime date);

	/// Hour that is shown in [CupertinoDatePicker] spinner corresponding
	/// to the given hour value.
	///
	/// Examples: datePickerHour(1) in:
	///
	/// - US English: 1
	/// - Arabic: ٠١
	// The global version uses date symbols data from the intl package.
	String datePickerHour(int hour);

	/// Semantics label for the given hour value in [CupertinoDatePicker].
	// The global version uses the translated string from the arb file.
	String? datePickerHourSemanticsLabel(int hour);

	/// Minute that is shown in [CupertinoDatePicker] spinner corresponding
	/// to the given minute value.
	///
	/// Examples: datePickerMinute(1) in:
	///
	/// - US English: 01
	/// - Arabic: ٠١
	// The global version uses date symbols data from the intl package.
	String datePickerMinute(int minute);

	/// Semantics label for the given minute value in [CupertinoDatePicker].
	// The global version uses the translated string from the arb file.
	String? datePickerMinuteSemanticsLabel(int minute);

	/// The order of the date elements that will be shown in [CupertinoDatePicker].
	// The global version uses the translated string from the arb file.
	DatePickerDateOrder get datePickerDateOrder;

	/// The order of the time elements that will be shown in [CupertinoDatePicker].
	// The global version uses the translated string from the arb file.
	DatePickerDateTimeOrder get datePickerDateTimeOrder;

	/// The abbreviation for ante meridiem (before noon) shown in the time picker.
	// The global version uses the translated string from the arb file.
	String get anteMeridiemAbbreviation;

	/// The abbreviation for post meridiem (after noon) shown in the time picker.
	// The global version uses the translated string from the arb file.
	String get postMeridiemAbbreviation;

	/// Label shown in date pickers when the date is today.
	// The global version uses the translated string from the arb file.
	String get todayLabel;

	/// The term used by the system to announce dialog alerts.
	// The global version uses the translated string from the arb file.
	String get alertDialogLabel;

	/// The accessibility label used on a tab in a [CupertinoTabBar].
	///
	/// This message describes the index of the selected tab and how many tabs
	/// there are, e.g. 'tab, 1 of 2' in United States English.
	///
	/// `tabIndex` and `tabCount` must be greater than or equal to one.
	String tabSemanticsLabel({required int tabIndex, required int tabCount});

	/// Hour that is shown in [CupertinoTimerPicker] corresponding to
	/// the given hour value.
	///
	/// Examples: timerPickerHour(1) in:
	///
	/// - US English: 1
	/// - Arabic: ١
	// The global version uses date symbols data from the intl package.
	String timerPickerHour(int hour);

	/// Minute that is shown in [CupertinoTimerPicker] corresponding to
	/// the given minute value.
	///
	/// Examples: timerPickerMinute(1) in:
	///
	/// - US English: 1
	/// - Arabic: ١
	// The global version uses date symbols data from the intl package.
	String timerPickerMinute(int minute);

	/// Second that is shown in [CupertinoTimerPicker] corresponding to
	/// the given second value.
	///
	/// Examples: timerPickerSecond(1) in:
	///
	/// - US English: 1
	/// - Arabic: ١
	// The global version uses date symbols data from the intl package.
	String timerPickerSecond(int second);

	/// Label that appears next to the hour picker in
	/// [CupertinoTimerPicker] when selected hour value is `hour`.
	/// This function will deal with pluralization based on the `hour` parameter.
	// The global version uses the translated string from the arb file.
	String? timerPickerHourLabel(int hour);

	/// All possible hour labels that appears next to the hour picker in
	/// [CupertinoTimerPicker]
	List<String> get timerPickerHourLabels;

	/// Label that appears next to the minute picker in
	/// [CupertinoTimerPicker] when selected minute value is `minute`.
	/// This function will deal with pluralization based on the `minute` parameter.
	// The global version uses the translated string from the arb file.
	String? timerPickerMinuteLabel(int minute);

	/// All possible minute labels that appears next to the minute picker in
	/// [CupertinoTimerPicker]
	List<String> get timerPickerMinuteLabels;

	/// Label that appears next to the minute picker in
	/// [CupertinoTimerPicker] when selected minute value is `second`.
	/// This function will deal with pluralization based on the `second` parameter.
	// The global version uses the translated string from the arb file.
	String? timerPickerSecondLabel(int second);

	/// All possible second labels that appears next to the second picker in
	/// [CupertinoTimerPicker]
	List<String> get timerPickerSecondLabels;

	/// The term used for cutting.
	// The global version uses the translated string from the arb file.
	String get cutButtonLabel;

	/// The term used for copying.
	// The global version uses the translated string from the arb file.
	String get copyButtonLabel;

	/// The term used for pasting.
	// The global version uses the translated string from the arb file.
	String get pasteButtonLabel;

	/// Label that appears in the Cupertino toolbar when the spell checker
	/// couldn't find any replacements for the current word.
	// The global version uses the translated string from the arb file.
	String get noSpellCheckReplacementsLabel;

	/// The term used for selecting everything.
	// The global version uses the translated string from the arb file.
	String get selectAllButtonLabel;

	/// The term used for looking up a selection.
	// The global version uses the translated string from the arb file.
	String get lookUpButtonLabel;

	/// The default placeholder used in [CupertinoSearchTextField].
	// The global version uses the translated string from the arb file.
	String get searchTextFieldPlaceholderLabel;

	/// Label read out by accessibility tools (VoiceOver) for a modal
	/// barrier to indicate that a tap dismisses the barrier.
	///
	/// A modal barrier can for example be found behind an alert or popup to block
	/// user interaction with elements behind it.
	String get modalBarrierDismissLabel;

	/// Label read out by accessibility tools (VoiceOver) for a context menu to
	/// indicate that a tap outside dismisses the context menu.
	String get menuDismissLabel;

	/// The `CupertinoLocalizations` from the closest [Localizations] instance
	/// that encloses the given context.
	///
	/// If no [CupertinoLocalizations] are available in the given `context`, this
	/// method throws an exception.
	///
	/// This method is just a convenient shorthand for:
	/// `Localizations.of<CupertinoLocalizations>(context, CupertinoLocalizations)!`.
	///
	/// References to the localized resources defined by this class are typically
	/// written in terms of this method. For example:
	///
	/// ```dart
	/// CupertinoLocalizations.of(context).anteMeridiemAbbreviation;
	/// ```
	static CupertinoLocalizations of(BuildContext context) {
	assert(debugCheckHasCupertinoLocalizations(context));
	return Localizations.of<CupertinoLocalizations>(context, CupertinoLocalizations)!;
	}
	}

	class _CupertinoLocalizationsDelegate extends LocalizationsDelegate<CupertinoLocalizations> {
	const _CupertinoLocalizationsDelegate();

	@override
	bool isSupported(Locale locale) => locale.languageCode == 'en';

	@override
	Future<CupertinoLocalizations> load(Locale locale) => DefaultCupertinoLocalizations.load(locale);

	@override
	bool shouldReload(_CupertinoLocalizationsDelegate old) => false;

	@override
	String toString() => 'DefaultCupertinoLocalizations.delegate(en_US)';
	}

	/// US English strings for the Cupertino widgets.
	class DefaultCupertinoLocalizations implements CupertinoLocalizations {
	/// Constructs an object that defines the cupertino widgets' localized strings
	/// for US English (only).
	///
	/// [LocalizationsDelegate] implementations typically call the static [load]
	/// function, rather than constructing this class directly.
	const DefaultCupertinoLocalizations();

	/// Short version of days of week.
	static const List<String> shortWeekdays = <String>[
	'Mon',
	'Tue',
	'Wed',
	'Thu',
	'Fri',
	'Sat',
	'Sun',
	];

	static const List<String> _shortMonths = <String>[
	'Jan',
	'Feb',
	'Mar',
	'Apr',
	'May',
	'Jun',
	'Jul',
	'Aug',
	'Sep',
	'Oct',
	'Nov',
	'Dec',
	];

	static const List<String> _months = <String>[
	'January',
	'February',
	'March',
	'April',
	'May',
	'June',
	'July',
	'August',
	'September',
	'October',
	'November',
	'December',
	];



	@override
	String datePickerYear(int yearIndex) => yearIndex.toString();

	@override
	String datePickerMonth(int monthIndex) => _months[monthIndex - 1];

	@override
	String datePickerDayOfMonth(int dayIndex, [int? weekDay]) {
	if (weekDay != null) {
	return ' ${shortWeekdays[weekDay - DateTime.monday]} $dayIndex ';
	}

	return dayIndex.toString();
	}

	@override
	String datePickerHour(int hour) => hour.toString();

	@override
	String datePickerHourSemanticsLabel(int hour) => "$hour o'clock";

	@override
	String datePickerMinute(int minute) => minute.toString().padLeft(2, '0');

	@override
	String datePickerMinuteSemanticsLabel(int minute) {
	if (minute == 1) {
	return '1 minute';
	}
	return '$minute minutes';
	}

	@override
	String datePickerMediumDate(DateTime date) {
	return '${shortWeekdays[date.weekday - DateTime.monday]} '
	'${_shortMonths[date.month - DateTime.january]} '
	'${date.day.toString().padRight(2)}';
	}

	@override
	DatePickerDateOrder get datePickerDateOrder => DatePickerDateOrder.mdy;

	@override
	DatePickerDateTimeOrder get datePickerDateTimeOrder => DatePickerDateTimeOrder.date_time_dayPeriod;

	@override
	String get anteMeridiemAbbreviation => 'AM';

	@override
	String get postMeridiemAbbreviation => 'PM';

	@override
	String get todayLabel => 'Today';

	@override
	String get alertDialogLabel => 'Alert';

	@override
	String tabSemanticsLabel({required int tabIndex, required int tabCount}) {
	assert(tabIndex >= 1);
	assert(tabCount >= 1);
	return 'Tab $tabIndex of $tabCount';
	}

	@override
	String timerPickerHour(int hour) => hour.toString();

	@override
	String timerPickerMinute(int minute) => minute.toString();

	@override
	String timerPickerSecond(int second) => second.toString();

	@override
	String timerPickerHourLabel(int hour) => hour == 1 ? 'hour' : 'hours';

	@override
	List<String> get timerPickerHourLabels => const <String>['hour', 'hours'];

	@override
	String timerPickerMinuteLabel(int minute) => 'min.';

	@override
	List<String> get timerPickerMinuteLabels => const <String>['min.'];

	@override
	String timerPickerSecondLabel(int second) => 'sec.';

	@override
	List<String> get timerPickerSecondLabels => const <String>['sec.'];

	@override
	String get cutButtonLabel => 'Cut';

	@override
	String get copyButtonLabel => 'Copy';

	@override
	String get pasteButtonLabel => 'Paste';

	@override
	String get noSpellCheckReplacementsLabel => 'No Replacements Found';

	@override
	String get selectAllButtonLabel => 'Select All';

	@override
	String get lookUpButtonLabel => 'Look Up';

	@override
	String get searchTextFieldPlaceholderLabel => 'Search';

	@override
	String get modalBarrierDismissLabel => 'Dismiss';

	@override
	String get menuDismissLabel => 'Dismiss menu';

	/// Creates an object that provides US English resource values for the
	/// cupertino library widgets.
	///
	/// The [locale] parameter is ignored.
	///
	/// This method is typically used to create a [LocalizationsDelegate].
	static Future<CupertinoLocalizations> load(Locale locale) {
	return SynchronousFuture<CupertinoLocalizations>(const DefaultCupertinoLocalizations());
	}

	/// A [LocalizationsDelegate] that uses [DefaultCupertinoLocalizations.load]
	/// to create an instance of this class.
	static const LocalizationsDelegate<CupertinoLocalizations> delegate = _CupertinoLocalizationsDelegate();
	}