110 lines
2.7 KiB
C#
110 lines
2.7 KiB
C#
using Avalonia.Collections;
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using Avalonia.Media;
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using ReactiveUI;
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using Avalonia.Styling;
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using System;
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using LibationAvalonia.Themes;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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using System.Linq;
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#nullable enable
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namespace LibationAvalonia.Dialogs;
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public partial class ThemePickerDialog : DialogWindow
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{
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protected DataGridCollectionView ThemeColors { get; }
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private ChardonnayTheme ExistingTheme { get; } = ChardonnayTheme.GetLiveTheme();
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public ThemePickerDialog() : base(saveAndRestorePosition: false)
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{
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InitializeComponent();
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CancelOnEscape = false;
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var workingTheme = (ChardonnayTheme)ExistingTheme.Clone();
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ThemeColors = new(EnumerateThemeItemColors(workingTheme, ActualThemeVariant));
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DataContext = this;
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}
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protected override void CancelAndClose()
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{
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ExistingTheme.ApplyTheme(ActualThemeVariant);
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base.CancelAndClose();
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}
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protected void ResetColors()
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=> ResetTheme(ExistingTheme);
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protected void LoadDefaultColors()
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{
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if (App.DefaultThemeColors is ChardonnayTheme defaults)
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ResetTheme(defaults);
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}
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protected override async Task SaveAndCloseAsync()
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{
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using (var themePersister = ChardonnayThemePersister.Create())
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{
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if (themePersister is null)
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{
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await MessageBox.Show(this, "Failed to save the theme.", "Error saving theme", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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else
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{
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foreach (var i in ThemeColors.OfType<ThemeItemColor>())
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{
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themePersister.Target.SetColor(ActualThemeVariant, i.ThemeItemName, i.ThemeColor);
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}
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themePersister.Target.Save();
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}
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}
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await base.SaveAndCloseAsync();
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}
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private void ResetTheme(ChardonnayTheme theme)
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{
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theme.ApplyTheme(ActualThemeVariant);
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foreach (var i in ThemeColors.OfType<ThemeItemColor>())
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{
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i.SuppressSet = true;
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i.ThemeColor = theme.GetColor(ActualThemeVariant, i.ThemeItemName);
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i.SuppressSet = false;
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}
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}
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private static IEnumerable<ThemeItemColor> EnumerateThemeItemColors(ChardonnayTheme workingTheme, ThemeVariant themeVariant)
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=> workingTheme
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.GetThemeColors(themeVariant)
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.Select(kvp => new ThemeItemColor
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{
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ThemeItemName = kvp.Key,
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ThemeColor = kvp.Value,
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ColorSetter = c =>
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{
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workingTheme.SetColor(themeVariant, kvp.Key, c);
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workingTheme.ApplyTheme(themeVariant);
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}
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});
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private class ThemeItemColor : ViewModels.ViewModelBase
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{
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public bool SuppressSet { get; set; }
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public required string ThemeItemName { get; init; }
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public required Action<Color> ColorSetter { get; init; }
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private Color _themeColor;
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public Color ThemeColor
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{
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get => _themeColor;
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set
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{
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var setColors = !SuppressSet && !_themeColor.Equals(value);
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this.RaiseAndSetIfChanged(ref _themeColor, value);
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if (setColors)
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ColorSetter?.Invoke(_themeColor);
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}
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}
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}
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}
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