Files
Ursa.Avalonia/src/Ursa.Themes.Semi/Index.axaml.cs

97 lines
3.0 KiB
C#

using System.Globalization;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
using Avalonia.Styling;
using Ursa.Themes.Semi.Locale;
namespace Ursa.Themes.Semi;
/// <summary>
/// Notice: Don't set Locale if your app is in InvariantGlobalization mode.
/// </summary>
public class SemiTheme : Styles
{
private static readonly Dictionary<CultureInfo, ResourceDictionary> _localeToResource = new()
{
{ new CultureInfo("zh-CN"), new zh_cn() },
{ new CultureInfo("en-US"), new en_us() }
};
private static readonly ResourceDictionary _defaultResource = new zh_cn();
private CultureInfo? _locale;
public SemiTheme(IServiceProvider? provider = null)
{
AvaloniaXamlLoader.Load(provider, this);
}
public static ThemeVariant Aquatic => new(nameof(Aquatic), ThemeVariant.Dark);
public static ThemeVariant Desert => new(nameof(Desert), ThemeVariant.Light);
public static ThemeVariant Dusk => new(nameof(Dusk), ThemeVariant.Dark);
public static ThemeVariant NightSky => new(nameof(NightSky), ThemeVariant.Dark);
public CultureInfo? Locale
{
get => _locale;
set
{
try
{
if (TryGetLocaleResource(value, out var resource) && resource is not null)
{
_locale = value;
foreach (var kv in resource) Resources[kv.Key] = kv.Value;
}
else
{
_locale = new CultureInfo("zh-CN");
foreach (var kv in _defaultResource) Resources[kv.Key] = kv.Value;
}
}
catch
{
_locale = CultureInfo.InvariantCulture;
}
}
}
private static bool TryGetLocaleResource(CultureInfo? locale, out ResourceDictionary? resourceDictionary)
{
if (Equals(locale, CultureInfo.InvariantCulture))
{
resourceDictionary = _defaultResource;
return true;
}
if (locale is null)
{
resourceDictionary = _defaultResource;
return false;
}
if (_localeToResource.TryGetValue(locale, out var resource))
{
resourceDictionary = resource;
return true;
}
resourceDictionary = _defaultResource;
return false;
}
public static void OverrideLocaleResources(Application application, CultureInfo? culture)
{
if (culture is null) return;
if (!_localeToResource.TryGetValue(culture, out var resources)) return;
foreach (var kv in resources) application.Resources[kv.Key] = kv.Value;
}
public static void OverrideLocaleResources(StyledElement element, CultureInfo? culture)
{
if (culture is null) return;
if (!_localeToResource.TryGetValue(culture, out var resources)) return;
foreach (var kv in resources) element.Resources[kv.Key] = kv.Value;
}
}