settings_re5

2026-06-22 00:54:26 +08:00 · 2026-03-14 13:36:18 +08:00
parent 5fdaa2539b
commit e8be0f0576
24 changed files with 993 additions and 321 deletions
--- a/LanMountainDesktop/ViewModels/WallpaperSettingsPageViewModel.cs
+++ b/LanMountainDesktop/ViewModels/WallpaperSettingsPageViewModel.cs
@@ -0,0 +1,127 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+
+namespace LanMountainDesktop.ViewModels;
+
+public sealed partial class WallpaperSettingsPageViewModel : ViewModelBase
+{
+    private readonly ISettingsFacadeService _settingsFacade;
+    private readonly LocalizationService _localizationService = new();
+    private readonly string _languageCode;
+    private bool _isInitializing;
+
+    public WallpaperSettingsPageViewModel(ISettingsFacadeService settingsFacade)
+    {
+        _settingsFacade = settingsFacade;
+        _languageCode = _localizationService.NormalizeLanguageCode(_settingsFacade.Region.Get().LanguageCode);
+        WallpaperPlacements = CreateWallpaperPlacements();
+        RefreshLocalizedText();
+
+        _isInitializing = true;
+        Load();
+        _isInitializing = false;
+    }
+
+    public IReadOnlyList<SelectionOption> WallpaperPlacements { get; }
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private string _wallpaperPath = string.Empty;
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private SelectionOption _selectedWallpaperPlacement = new("Fill", "Fill");
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private string _wallpaperHeader = string.Empty;
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private string _wallpaperPathLabel = string.Empty;
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private string _wallpaperPlacementLabel = string.Empty;
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private string _wallpaperPlacementDescription = string.Empty;
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private string _importWallpaperButtonText = string.Empty;
+
+    [CommunityToolkit.Mvvm.ComponentModel.ObservableProperty]
+    private string _filePickerTitle = string.Empty;
+
+    public void Load()
+    {
+        var wallpaper = _settingsFacade.Wallpaper.Get();
+        WallpaperPath = wallpaper.WallpaperPath ?? string.Empty;
+        var wallpaperPlacement = string.IsNullOrWhiteSpace(wallpaper.Placement)
+            ? "Fill"
+            : wallpaper.Placement;
+        SelectedWallpaperPlacement = WallpaperPlacements.FirstOrDefault(option =>
+            string.Equals(option.Value, wallpaperPlacement, StringComparison.OrdinalIgnoreCase))
+            ?? WallpaperPlacements[0];
+    }
+
+    public async Task ImportWallpaperAsync(string sourcePath)
+    {
+        var importedPath = await _settingsFacade.WallpaperMedia.ImportAssetAsync(sourcePath);
+        if (!string.IsNullOrWhiteSpace(importedPath))
+        {
+            WallpaperPath = importedPath;
+        }
+    }
+
+    partial void OnWallpaperPathChanged(string value)
+    {
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        SaveWallpaper();
+    }
+
+    partial void OnSelectedWallpaperPlacementChanged(SelectionOption value)
+    {
+        if (_isInitializing || value is null)
+        {
+            return;
+        }
+
+        SaveWallpaper();
+    }
+
+    private void SaveWallpaper()
+    {
+        _settingsFacade.Wallpaper.Save(new WallpaperSettingsState(
+            string.IsNullOrWhiteSpace(WallpaperPath) ? null : WallpaperPath,
+            SelectedWallpaperPlacement.Value));
+    }
+
+    private IReadOnlyList<SelectionOption> CreateWallpaperPlacements()
+    {
+        return
+        [
+            new SelectionOption("Fill", L("settings.wallpaper.placement.fill", "Fill")),
+            new SelectionOption("Fit", L("settings.wallpaper.placement.fit", "Fit")),
+            new SelectionOption("Stretch", L("settings.wallpaper.placement.stretch", "Stretch")),
+            new SelectionOption("Center", L("settings.wallpaper.placement.center", "Center")),
+            new SelectionOption("Tile", L("settings.wallpaper.placement.tile", "Tile"))
+        ];
+    }
+
+    private void RefreshLocalizedText()
+    {
+        WallpaperHeader = L("settings.wallpaper.title", "Wallpaper");
+        WallpaperPathLabel = L("settings.wallpaper.current_label", "Current Wallpaper");
+        WallpaperPlacementLabel = L("settings.wallpaper.placement_label", "Placement");
+        WallpaperPlacementDescription = L("settings.wallpaper.placement_desc", "Adjust how the image fills the desktop.");
+        ImportWallpaperButtonText = L("settings.wallpaper.pick_button", "Import Wallpaper");
+        FilePickerTitle = L("filepicker.title", "Select wallpaper");
+    }
+
+    private string L(string key, string fallback)
+        => _localizationService.GetString(_languageCode, key, fallback);
+}