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https://github.com/wwiinnddyy/LanMountainDesktop.git
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0.4.0
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lincube
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Avalonia.Controls;
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using Avalonia.Controls.Primitives;
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using Avalonia.Interactivity;
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using LanMountainDesktop.Services;
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namespace LanMountainDesktop.Views.Components;
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public partial class WorldClockWidgetSettingsWindow : UserControl
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{
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private static readonly IReadOnlyDictionary<string, string> ZhTimeZoneNames =
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new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
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{
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["China Standard Time"] = "中国标准时间",
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["Asia/Shanghai"] = "中国标准时间",
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["GMT Standard Time"] = "格林威治标准时间",
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["Europe/London"] = "格林威治标准时间",
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["AUS Eastern Standard Time"] = "澳大利亚东部标准时间",
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["Australia/Sydney"] = "澳大利亚东部标准时间",
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["Eastern Standard Time"] = "美国东部标准时间",
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["America/New_York"] = "美国东部标准时间",
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["Tokyo Standard Time"] = "日本标准时间",
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["Asia/Tokyo"] = "日本标准时间",
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["UTC"] = "协调世界时",
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["Etc/UTC"] = "协调世界时"
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};
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private readonly AppSettingsService _appSettingsService = new();
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private readonly LocalizationService _localizationService = new();
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private readonly TimeZoneService _timeZoneService = new();
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private readonly ComboBox[] _timeZoneComboBoxes;
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private bool _suppressEvents;
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private string _languageCode = "zh-CN";
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private IReadOnlyList<TimeZoneInfo> _allTimeZones = Array.Empty<TimeZoneInfo>();
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private IReadOnlyList<string> _selectedTimeZoneIds = Array.Empty<string>();
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private string _secondHandMode = ClockSecondHandMode.Tick;
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public event EventHandler? SettingsChanged;
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public WorldClockWidgetSettingsWindow()
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{
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InitializeComponent();
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_timeZoneComboBoxes =
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[
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ClockOneTimeZoneComboBox,
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ClockTwoTimeZoneComboBox,
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ClockThreeTimeZoneComboBox,
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ClockFourTimeZoneComboBox
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];
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LoadState();
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ApplyLocalization();
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PopulateTimeZoneComboBoxes();
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}
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private void LoadState()
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{
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var snapshot = _appSettingsService.Load();
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_languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
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_allTimeZones = _timeZoneService
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.GetAllTimeZones()
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.OrderBy(zone => zone.GetUtcOffset(DateTime.UtcNow))
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.ThenBy(zone => zone.DisplayName, StringComparer.OrdinalIgnoreCase)
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.ToList();
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_selectedTimeZoneIds = WorldClockTimeZoneCatalog.NormalizeTimeZoneIds(
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snapshot.WorldClockTimeZoneIds,
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_allTimeZones);
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_secondHandMode = ClockSecondHandMode.Normalize(snapshot.WorldClockSecondHandMode);
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}
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private void ApplyLocalization()
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{
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TitleTextBlock.Text = L("worldclock.settings.title", "世界时钟设置");
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DescriptionTextBlock.Text = L("worldclock.settings.desc", "分别为四个时钟选择时区。");
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ClockOneLabelTextBlock.Text = L("worldclock.settings.clock_1", "时钟 1");
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ClockTwoLabelTextBlock.Text = L("worldclock.settings.clock_2", "时钟 2");
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ClockThreeLabelTextBlock.Text = L("worldclock.settings.clock_3", "时钟 3");
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ClockFourLabelTextBlock.Text = L("worldclock.settings.clock_4", "时钟 4");
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SecondHandModeLabelTextBlock.Text = L("worldclock.settings.second_mode_label", "秒针方式");
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SecondHandTickRadioButton.Content = L("clock.second_mode.tick", "跳针");
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SecondHandSweepRadioButton.Content = L("clock.second_mode.sweep", "扫针");
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}
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private void PopulateTimeZoneComboBoxes()
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{
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_suppressEvents = true;
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try
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{
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foreach (var comboBox in _timeZoneComboBoxes)
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{
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comboBox.Items.Clear();
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foreach (var timeZone in _allTimeZones)
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{
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comboBox.Items.Add(new ComboBoxItem
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{
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Tag = timeZone.Id,
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Content = GetLocalizedTimeZoneDisplayName(timeZone)
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});
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}
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}
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for (var index = 0; index < _timeZoneComboBoxes.Length; index++)
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{
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var comboBox = _timeZoneComboBoxes[index];
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var targetId = index < _selectedTimeZoneIds.Count
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? _selectedTimeZoneIds[index]
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: TimeZoneInfo.Local.Id;
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var selected = comboBox.Items
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.OfType<ComboBoxItem>()
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.FirstOrDefault(item => string.Equals(item.Tag as string, targetId, StringComparison.OrdinalIgnoreCase));
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comboBox.SelectedItem = selected ?? comboBox.Items.OfType<ComboBoxItem>().FirstOrDefault();
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}
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var normalizedMode = ClockSecondHandMode.Normalize(_secondHandMode);
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SecondHandTickRadioButton.IsChecked = string.Equals(
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normalizedMode,
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ClockSecondHandMode.Tick,
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StringComparison.OrdinalIgnoreCase);
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SecondHandSweepRadioButton.IsChecked = string.Equals(
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normalizedMode,
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ClockSecondHandMode.Sweep,
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StringComparison.OrdinalIgnoreCase);
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}
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finally
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{
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_suppressEvents = false;
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}
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}
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private void OnTimeZoneSelectionChanged(object? sender, SelectionChangedEventArgs e)
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{
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_ = sender;
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_ = e;
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if (_suppressEvents)
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{
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return;
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}
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SaveState();
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}
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private void OnSecondHandModeChanged(object? sender, RoutedEventArgs e)
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{
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_ = sender;
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_ = e;
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if (_suppressEvents)
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{
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return;
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}
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SaveState();
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}
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private void SaveState()
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{
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var selectedIds = GetSelectedTimeZoneIds();
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var normalizedIds = WorldClockTimeZoneCatalog.NormalizeTimeZoneIds(selectedIds, _allTimeZones);
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_secondHandMode = GetSelectedSecondHandMode();
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var snapshot = _appSettingsService.Load();
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snapshot.WorldClockTimeZoneIds = normalizedIds.ToList();
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snapshot.WorldClockSecondHandMode = _secondHandMode;
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_appSettingsService.Save(snapshot);
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_selectedTimeZoneIds = normalizedIds;
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SettingsChanged?.Invoke(this, EventArgs.Empty);
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}
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private string GetSelectedSecondHandMode()
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{
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return SecondHandSweepRadioButton.IsChecked == true
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? ClockSecondHandMode.Sweep
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: ClockSecondHandMode.Tick;
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}
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private List<string> GetSelectedTimeZoneIds()
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{
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var selectedIds = new List<string>(_timeZoneComboBoxes.Length);
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foreach (var comboBox in _timeZoneComboBoxes)
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{
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if (comboBox.SelectedItem is ComboBoxItem item &&
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item.Tag is string timeZoneId &&
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!string.IsNullOrWhiteSpace(timeZoneId))
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{
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selectedIds.Add(timeZoneId.Trim());
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continue;
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}
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selectedIds.Add(TimeZoneInfo.Local.Id);
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}
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return selectedIds;
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}
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private string GetLocalizedTimeZoneDisplayName(TimeZoneInfo timeZone)
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{
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var offset = timeZone.GetUtcOffset(DateTime.UtcNow);
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var sign = offset >= TimeSpan.Zero ? "+" : "-";
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var totalMinutes = Math.Abs((int)offset.TotalMinutes);
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var hours = totalMinutes / 60;
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var minutes = totalMinutes % 60;
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var displayName = string.Equals(_languageCode, "zh-CN", StringComparison.OrdinalIgnoreCase)
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? ResolveZhDisplayName(timeZone)
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: ResolveEnDisplayName(timeZone);
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return $"(UTC{sign}{hours:D2}:{minutes:D2}) {displayName}";
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}
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private static string ResolveZhDisplayName(TimeZoneInfo timeZone)
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{
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if (ZhTimeZoneNames.TryGetValue(timeZone.Id, out var localizedName))
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{
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return localizedName;
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}
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return string.IsNullOrWhiteSpace(timeZone.StandardName)
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? timeZone.DisplayName
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: timeZone.StandardName;
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}
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private static string ResolveEnDisplayName(TimeZoneInfo timeZone)
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{
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if (!string.IsNullOrWhiteSpace(timeZone.StandardName))
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{
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return timeZone.StandardName;
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}
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return timeZone.DisplayName;
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}
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private string L(string key, string fallback)
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{
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return _localizationService.GetString(_languageCode, key, fallback);
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}
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}
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