94 lines
3.5 KiB
C#
94 lines
3.5 KiB
C#
using System.ComponentModel;
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using System.Windows.Data;
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using System.Windows.Media;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CursorLang.Models;
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using CursorLang.Services;
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namespace CursorLang.ViewModels;
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/// <summary>Вариант выбора в списке: значение и его подпись на текущем языке.</summary>
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public sealed record EnumOption<T>(T Value, string Display);
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/// <summary>
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/// Окно настроек. Значения правятся прямо в <see cref="AppSettings"/>,
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/// поэтому подсказка подхватывает их сразу, без кнопки «Применить».
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/// </summary>
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public sealed partial class SettingsViewModel : ObservableObject, IDisposable
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{
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private static readonly Color[] Palette =
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[
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Color.FromRgb(0x20, 0x20, 0x20),
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Color.FromRgb(0x00, 0x00, 0x00),
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Color.FromRgb(0x1E, 0x3A, 0x8A),
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Color.FromRgb(0x0F, 0x76, 0x6E),
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Color.FromRgb(0x7C, 0x2D, 0x12),
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Color.FromRgb(0x86, 0x19, 0x8F),
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Color.FromRgb(0xB9, 0x1C, 0x1C),
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Color.FromRgb(0xF5, 0xF5, 0xF5),
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];
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public SettingsViewModel(AppSettings settings, ILocalizationService localization)
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{
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Settings = settings;
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Localization = localization;
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// Язык интерфейса — такая же настройка, как остальные, и хранится там же
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Localization.CurrentLanguage = settings.Language;
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Settings.PropertyChanged += OnSettingsChanged;
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Localization.PropertyChanged += OnLocalizationChanged;
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BuildLocalizedOptions();
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}
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public AppSettings Settings { get; }
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public ILocalizationService Localization { get; }
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public IReadOnlyList<Color> BackgroundPalette { get; } = Palette;
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public IReadOnlyList<EnumOption<PopupPlacementMode>> PlacementModes { get; private set; } = [];
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public IReadOnlyList<EnumOption<CursorCorner>> CursorCorners { get; private set; } = [];
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public IReadOnlyList<EnumOption<ScreenPosition>> ScreenPositions { get; private set; } = [];
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public void Dispose()
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{
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Settings.PropertyChanged -= OnSettingsChanged;
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Localization.PropertyChanged -= OnLocalizationChanged;
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}
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private void OnSettingsChanged(object? sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == nameof(AppSettings.Language))
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{
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Localization.CurrentLanguage = Settings.Language;
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}
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}
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// Подписи вариантов приходят из ресурсов, поэтому при смене языка
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// списки нужно собрать заново — привязки сами перечитают их
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private void OnLocalizationChanged(object? sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == Binding.IndexerName)
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{
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BuildLocalizedOptions();
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}
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}
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private void BuildLocalizedOptions()
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{
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PlacementModes = BuildOptions<PopupPlacementMode>(nameof(PopupPlacementMode));
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CursorCorners = BuildOptions<CursorCorner>(nameof(CursorCorner));
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ScreenPositions = BuildOptions<ScreenPosition>(nameof(ScreenPosition));
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OnPropertyChanged(nameof(PlacementModes));
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OnPropertyChanged(nameof(CursorCorners));
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OnPropertyChanged(nameof(ScreenPositions));
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}
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private EnumOption<T>[] BuildOptions<T>(string resourcePrefix) where T : struct, Enum =>
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[.. Enum.GetValues<T>().Select(value => new EnumOption<T>(value, Localization[$"{resourcePrefix}_{value}"]))];
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}
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