418 lines
16 KiB
Dart
418 lines
16 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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import 'package:provider/provider.dart';
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import '../l10n/app_localizations.dart';
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import '../providers/locale_provider.dart';
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import '../providers/timezone_provider.dart';
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/// Standalone Time Zone Settings card (matches mock).
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/// - Live ticking preview in the SELECTED zone (see time here / there).
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/// - Current zone dropdown + common-zone quick chips.
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/// - Date format / 12-24h / week-start prefs, all persisted locally.
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/// - Fully multilingual: every label via AppLocalizations, so the EN/HI
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/// LanguageSwitcher rebuilds this card with no extra work.
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class TimezoneSettingsCard extends StatefulWidget {
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const TimezoneSettingsCard({super.key});
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@override
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State<TimezoneSettingsCard> createState() => _TimezoneSettingsCardState();
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}
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class _TimezoneSettingsCardState extends State<TimezoneSettingsCard> {
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Timer? _ticker;
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DateTime _tick = DateTime.now();
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@override
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void initState() {
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super.initState();
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_ticker = Timer.periodic(const Duration(seconds: 1), (_) {
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if (mounted) setState(() => _tick = DateTime.now());
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});
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}
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@override
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void dispose() {
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_ticker?.cancel();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final l10n = AppLocalizations.of(context)!;
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final localeCode = Provider.of<LocaleProvider>(context).code;
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// Listen to prefs so preview + chips update instantly on selection.
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final tzPrefs = Provider.of<TimezoneProvider>(context);
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// Keep linter happy about the 1s tick even though zone time derives
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// from provider clock below.
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_tick;
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final now = tzPrefs.nowInZone();
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final timePattern = tzPrefs.is24h ? 'HH:mm:ss' : 'hh:mm:ss a';
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final timeStr = DateFormat(timePattern, localeCode).format(now);
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final dateLine =
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DateFormat('EEEE, MMMM d, yyyy', localeCode).format(now);
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final offset = tzPrefs.offsetLabel(now);
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final city = TimezoneProvider.cityOf(tzPrefs.zoneId);
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.08),
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blurRadius: 24,
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offset: const Offset(0, 8),
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),
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],
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),
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clipBehavior: Clip.antiAlias,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Header
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Container(
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padding: const EdgeInsets.fromLTRB(16, 14, 16, 14),
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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colors: [Color(0xFF3B3BD6), Color(0xFF7B2FF7)],
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begin: Alignment.centerLeft,
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end: Alignment.centerRight,
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),
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),
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child: Row(
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children: [
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Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.2),
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borderRadius: BorderRadius.circular(12),
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),
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child: const Icon(Icons.public,
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color: Colors.white, size: 22),
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),
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const SizedBox(width: 10),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(l10n.timeZoneSettings,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 16,
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fontWeight: FontWeight.w700)),
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const SizedBox(height: 2),
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Text(l10n.timeZoneSubtitle,
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style: TextStyle(
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color:
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Colors.white.withValues(alpha: 0.85),
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fontSize: 11)),
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],
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),
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),
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.2),
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borderRadius: BorderRadius.circular(20),
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),
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child: const Text('UTC',
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style: TextStyle(color: Colors.white, fontSize: 11)),
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),
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],
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),
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),
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Padding(
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padding: const EdgeInsets.all(14),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Live preview
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Container(
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padding: const EdgeInsets.all(16),
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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colors: [Color(0xFF1E2A78), Color(0xFF7B2FF7)],
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begin: Alignment.centerLeft,
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end: Alignment.centerRight,
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),
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borderRadius: BorderRadius.all(Radius.circular(16)),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('◷ ${l10n.livePreview}',
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style: TextStyle(
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color:
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Colors.white.withValues(alpha: 0.8),
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fontSize: 11,
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letterSpacing: 1.2)),
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const SizedBox(height: 6),
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Text(timeStr,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 38,
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fontWeight: FontWeight.w800,
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letterSpacing: 1)),
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const SizedBox(height: 2),
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Text(dateLine,
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style: TextStyle(
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color:
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Colors.white.withValues(alpha: 0.9),
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fontSize: 13)),
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const SizedBox(height: 10),
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Wrap(
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spacing: 6,
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runSpacing: 6,
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children: [
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_miniChip('◉ $city'),
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_miniChip(offset),
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_miniChip(tzPrefs.datePattern),
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_miniChip(tzPrefs.is24h
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? l10n.hour24
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: l10n.hour12),
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],
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),
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],
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),
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),
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const SizedBox(height: 14),
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Text('◉ ${l10n.currentTimeZone}',
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style: const TextStyle(
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fontSize: 11,
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fontWeight: FontWeight.w700,
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letterSpacing: 0.6,
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color: Colors.black54)),
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const SizedBox(height: 6),
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DropdownButtonFormField<String>(
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// ignore: deprecated_member_use
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value: tzPrefs.zoneId,
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decoration: InputDecoration(
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10)),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12, vertical: 10),
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),
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items: TimezoneProvider.commonZoneIds
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.map((id) => DropdownMenuItem(
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value: id,
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child: Text(tzPrefs.displayLabel(id),
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style: const TextStyle(fontSize: 13))))
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.toList(),
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onChanged: (v) {
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if (v != null) tzPrefs.setZone(v);
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},
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),
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const SizedBox(height: 12),
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Text('★ ${l10n.commonTimeZones}',
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style: const TextStyle(
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fontSize: 11,
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fontWeight: FontWeight.w700,
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letterSpacing: 0.6,
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color: Colors.black54)),
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const SizedBox(height: 6),
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Wrap(
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spacing: 6,
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runSpacing: 6,
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children: TimezoneProvider.commonZoneIds.map((id) {
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final selected = id == tzPrefs.zoneId;
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return ChoiceChip(
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label: Text(
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TimezoneProvider.cityOf(id),
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style: TextStyle(
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fontSize: 11,
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color: selected
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? Colors.white
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: Colors.black87)),
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selected: selected,
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selectedColor: const Color(0xFF7B2FF7),
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backgroundColor: Colors.grey.shade100,
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onSelected: (_) => tzPrefs.setZone(id),
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);
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}).toList(),
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),
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const SizedBox(height: 12),
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LayoutBuilder(builder: (context, constraints) {
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final narrow = constraints.maxWidth < 520;
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Widget row(Widget a, Widget b, Widget c) {
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if (narrow) {
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return Column(
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crossAxisAlignment:
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CrossAxisAlignment.stretch,
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children: [a, const SizedBox(height: 8), b, const SizedBox(height: 8), c],
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);
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}
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return Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Expanded(child: a),
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const SizedBox(width: 8),
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Expanded(child: b),
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const SizedBox(width: 8),
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Expanded(child: c),
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],
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);
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}
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return row(
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_labelled(l10n.dateFormat,
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DropdownButtonFormField<String>(
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// ignore: deprecated_member_use
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value: tzPrefs.datePattern,
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decoration: InputDecoration(
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10)),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 10, vertical: 10),
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),
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items: TimezoneProvider.datePatterns
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.map((p) => DropdownMenuItem(
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value: p,
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child: Text(p,
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style: const TextStyle(
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fontSize: 12))))
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.toList(),
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onChanged: (v) {
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if (v != null) tzPrefs.setDatePattern(v);
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},
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)),
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_labelled(
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l10n.timeFormat,
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SegmentedButton<bool>(
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style: const ButtonStyle(
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visualDensity: VisualDensity.compact),
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segments: [
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ButtonSegment(
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value: false, label: Text(l10n.hour12)),
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ButtonSegment(
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value: true, label: Text(l10n.hour24)),
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],
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selected: {tzPrefs.is24h},
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onSelectionChanged: (s) =>
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tzPrefs.setIs24h(s.first),
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)),
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_labelled(l10n.firstDayOfWeek,
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DropdownButtonFormField<String>(
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// ignore: deprecated_member_use
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value: tzPrefs.weekStart,
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decoration: InputDecoration(
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10)),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 10, vertical: 10),
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),
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items: TimezoneProvider.weekDays
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.map((d) => DropdownMenuItem(
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value: d,
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child: Text(
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_localizedWeekday(
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d, localeCode),
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style: const TextStyle(
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fontSize: 12))))
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.toList(),
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onChanged: (v) {
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if (v != null) tzPrefs.setWeekStart(v);
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},
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)),
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);
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}),
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const SizedBox(height: 12),
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Row(
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children: [
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const Icon(Icons.info_outline,
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size: 14, color: Colors.black45),
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const SizedBox(width: 6),
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Expanded(
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child: Text(l10n.storedInUtcNote,
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style: const TextStyle(
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fontSize: 11, color: Colors.black54)),
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),
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],
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),
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const SizedBox(height: 10),
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Align(
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alignment: Alignment.centerRight,
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child: DecoratedBox(
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decoration: const BoxDecoration(
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gradient: LinearGradient(colors: [
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Color(0xFF3B3BD6),
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Color(0xFFE040FB)
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]),
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borderRadius:
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BorderRadius.all(Radius.circular(12)),
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),
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child: ElevatedButton.icon(
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.transparent,
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shadowColor: Colors.transparent,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12)),
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),
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onPressed: () async {
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await tzPrefs.save();
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content:
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Text(l10n.preferencesSaved)),
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);
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}
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},
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icon: const Icon(Icons.save_outlined,
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size: 16, color: Colors.white),
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label: Text(l10n.savePreferences,
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style: const TextStyle(color: Colors.white)),
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),
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),
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),
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],
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),
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),
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],
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),
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);
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}
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Widget _miniChip(String text) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.18),
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borderRadius: BorderRadius.circular(20),
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),
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child: Text(text,
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style: const TextStyle(color: Colors.white, fontSize: 11)),
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);
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}
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Widget _labelled(String label, Widget child) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(label,
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style: const TextStyle(
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fontSize: 11,
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fontWeight: FontWeight.w700,
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letterSpacing: 0.6,
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color: Colors.black54)),
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const SizedBox(height: 6),
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child,
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],
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);
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}
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/// Weekday names localized via intl for the current locale; values
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/// stay canonical English for storage.
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String _localizedWeekday(String canonical, String localeCode) {
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// 2026-10-05 is a Monday; add index to get each weekday name.
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final base = DateTime(2026, 10, 5);
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final idx = TimezoneProvider.weekDays.indexOf(canonical);
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if (idx < 0) return canonical;
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return DateFormat('EEEE', localeCode)
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.format(base.add(Duration(days: idx)));
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}
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}
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