Takoooooo
5 years ago
65 changed files with 209 additions and 65 deletions
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using System; |
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using System.Collections.Generic; |
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using Avalonia.Controls; |
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using Avalonia.Markup.Xaml; |
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using Avalonia.Markup.Xaml.Styling; |
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using Avalonia.Styling; |
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#nullable enable |
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namespace Avalonia.Themes.Default |
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{ |
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public class SimpleTheme : AvaloniaObject, IStyle, IResourceProvider |
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{ |
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private readonly Uri _baseUri; |
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private bool _isLoading; |
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private Styles _simpleDark = new(); |
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private Styles _simpleLight = new(); |
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private IStyle? _loaded; |
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/// <summary>
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/// Initializes a new instance of the <see cref="SimpleTheme"/> class.
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/// </summary>
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/// <param name="baseUri">The base URL for the XAML context.</param>
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public SimpleTheme(Uri baseUri) |
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{ |
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_baseUri = baseUri; |
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InitStyles(_baseUri); |
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} |
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/// <summary>
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/// Initializes a new instance of the <see cref="SimpleTheme"/> class.
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/// </summary>
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/// <param name="serviceProvider">The XAML service provider.</param>
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public SimpleTheme(IServiceProvider serviceProvider) |
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{ |
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_baseUri = ((IUriContext)serviceProvider.GetService(typeof(IUriContext))).BaseUri; |
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InitStyles(_baseUri); |
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} |
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public static readonly StyledProperty<SimpleThemeMode> ModeProperty = |
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AvaloniaProperty.Register<SimpleTheme, SimpleThemeMode>(nameof(Mode)); |
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/// <summary>
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/// Gets or sets the mode of the fluent theme (light, dark).
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/// </summary>
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public SimpleThemeMode Mode |
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{ |
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get => GetValue(ModeProperty); |
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set => SetValue(ModeProperty, value); |
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} |
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public IStyle Loaded |
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{ |
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get |
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{ |
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if (_loaded == null) |
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{ |
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_isLoading = true; |
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if (Mode == SimpleThemeMode.Light) |
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{ |
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_loaded = _simpleLight; |
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} |
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else if (Mode == SimpleThemeMode.Dark) |
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{ |
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_loaded = _simpleDark; |
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} |
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_isLoading = false; |
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} |
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return _loaded!; |
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} |
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} |
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public IResourceHost? Owner => (Loaded as IResourceProvider)?.Owner; |
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bool IResourceNode.HasResources => (Loaded as IResourceProvider)?.HasResources ?? false; |
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IReadOnlyList<IStyle> IStyle.Children => _loaded?.Children ?? Array.Empty<IStyle>(); |
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public event EventHandler OwnerChanged |
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{ |
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add |
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{ |
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if (Loaded is IResourceProvider rp) |
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{ |
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rp.OwnerChanged += value; |
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} |
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} |
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remove |
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{ |
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if (Loaded is IResourceProvider rp) |
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{ |
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rp.OwnerChanged -= value; |
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} |
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} |
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} |
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public SelectorMatchResult TryAttach(IStyleable target, IStyleHost? host) => Loaded.TryAttach(target, host); |
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public bool TryGetResource(object key, out object? value) |
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{ |
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if (!_isLoading && Loaded is IResourceProvider p) |
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{ |
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return p.TryGetResource(key, out value); |
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} |
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value = null; |
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return false; |
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} |
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void IResourceProvider.AddOwner(IResourceHost owner) => (Loaded as IResourceProvider)?.AddOwner(owner); |
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void IResourceProvider.RemoveOwner(IResourceHost owner) => (Loaded as IResourceProvider)?.RemoveOwner(owner); |
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private void InitStyles(Uri baseUri) |
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{ |
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_simpleLight = new Styles |
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{ |
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new StyleInclude(baseUri) |
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{ |
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Source = new Uri("avares://Avalonia.Themes.Default/Accents/BaseLight.xaml") |
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}, |
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new StyleInclude(baseUri) |
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{ |
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Source = new Uri("avares://Avalonia.Themes.Default/DefaultTheme.xaml") |
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} |
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}; |
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_simpleDark = new Styles |
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{ |
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new StyleInclude(baseUri) |
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{ |
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Source = new Uri("avares://Avalonia.Themes.Default/Accents/BaseDark.xaml") |
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}, |
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new StyleInclude(baseUri) |
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{ |
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Source = new Uri("avares://Avalonia.Themes.Default/DefaultTheme.xaml") |
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} |
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}; |
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} |
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} |
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} |
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@ -0,0 +1,8 @@ |
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namespace Avalonia.Themes.Default |
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{ |
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public enum SimpleThemeMode |
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{ |
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Light, |
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Dark |
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} |
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} |
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