feat: 完成国际化支持库

JackCraft.I18N/Converters/I18NConverter.cs

@@ -0,0 +1,19 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+
+namespace JackCraft.I18N.Converters;
+
+internal class I18NConverter(I18NBinding binding, object[] bindingValues) : IMultiValueConverter
+{
+    public object? Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (values.Count < 2 || values[0] is not CultureInfo)
+            return null;
+        if (binding.KeyConverter.Convert(values[1], null!, null, culture) is not string key)
+            return values[1];
+        var value = I18NConfig.Manager.Get<object>(key, values[0] as CultureInfo);
+        if (value is string str && bindingValues.Length > 0)
+            value = string.Format(str, bindingValues);
+        return binding.ValueConverter.Convert(value, null!, null, culture);
+    }
+}

JackCraft.I18N/Converters/I18NKeyConverter.cs

@@ -0,0 +1,22 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+
+namespace JackCraft.I18N.Converters;
+
+internal class I18NKeyConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return value switch
+        {
+            Enum e => value.GetType().Name + "." + e,
+            string str => str,
+            _ => null
+        };
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return null;
+    }
+}

JackCraft.I18N/Converters/I18NValueConverter.cs

@@ -0,0 +1,17 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+
+namespace JackCraft.I18N.Converters;
+
+internal class I18NValueConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return value;
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return null;
+    }
+}

JackCraft.I18N/I18NBinding.cs

@@ -0,0 +1,23 @@
+using Avalonia.Data;
+using Avalonia.Data.Converters;
+using JackCraft.I18N.Converters;
+
+namespace JackCraft.I18N;
+
+internal class I18NBinding : MultiBinding
+{
+    public readonly IValueConverter KeyConverter;
+    public readonly IValueConverter ValueConverter;
+
+    public I18NBinding(string key, params dynamic[] values)
+    {
+        Mode = BindingMode.OneWay;
+        TargetNullValue = key;
+        FallbackValue = key;
+        Converter = new I18NConverter(this, values);
+        KeyConverter = new I18NKeyConverter();
+        ValueConverter = new I18NValueConverter();
+        Bindings.Add(new Binding { Source = I18NConfig.Manager, Path = nameof(I18NConfig.Manager.Culture) });
+        Bindings.Add(new Binding { Source = key });
+    }
+}

JackCraft.I18N/I18NConfig.cs

@@ -0,0 +1,12 @@
+using System.Globalization;
+using System.Reflection;
+
+namespace JackCraft.I18N;
+
+internal static class I18NConfig
+{
+    public static I18NManager Manager { get; set; } = null!;
+    public static string BaseName { get; set; } = string.Empty;
+    public static Assembly Assembly { get; set; } = typeof(I18NConfig).Assembly;
+    public static CultureInfo Culture { get; set; } = CultureInfo.InvariantCulture;
+}

JackCraft.I18N/I18NExtension.cs

@@ -0,0 +1,15 @@
+using Avalonia.Markup.Xaml;
+
+namespace JackCraft.I18N;
+
+public class I18NExtension(string key, params object[] values) : MarkupExtension
+{
+    public I18NExtension(string key) : this(key, [])
+    {
+    }
+
+    public override object ProvideValue(IServiceProvider serviceProvider)
+    {
+        return new I18NBinding(key, values);
+    }
+}

JackCraft.I18N/I18NManager.cs

@@ -0,0 +1,48 @@
+using System.ComponentModel;
+using System.Globalization;
+using System.Reflection;
+using System.Resources;
+using System.Runtime.CompilerServices;
+
+namespace JackCraft.I18N;
+
+public sealed class I18NManager : INotifyPropertyChanged
+{
+    public I18NManager(string baseName, Assembly assembly)
+    {
+        I18NConfig.BaseName = baseName;
+        I18NConfig.Assembly = assembly;
+        I18NConfig.Manager = this;
+    }
+
+    public CultureInfo Culture
+    {
+        get => I18NConfig.Culture;
+        set
+        {
+            if (Equals(value, I18NConfig.Culture)) return;
+            I18NConfig.Culture = value;
+            OnPropertyChanged();
+        }
+    }
+
+    public static string BaseName => I18NConfig.BaseName;
+    public static Assembly Assembly => I18NConfig.Assembly;
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    private void OnPropertyChanged([CallerMemberName] string? propertyName = null)
+    {
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+
+    public T? Get<T>(string key, CultureInfo? culture = null, params object?[] values)
+    {
+        culture ??= Culture;
+        var resourceManager = new ResourceManager(BaseName, Assembly);
+        var resourceSet = resourceManager.GetResourceSet(culture, true, true);
+        var obj = resourceSet?.GetObject(key);
+        if (obj is string str && values.Length > 0) return (dynamic)string.Format(str, values);
+        if (obj != null) return (dynamic)obj;
+        return default;
+    }
+}

JackCraft.I18N/JackCraft.I18N.csproj

@@ -7,4 +7,8 @@
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
+    <ItemGroup>
+        <PackageReference Include="Avalonia" Version="11.2.3"/>
+    </ItemGroup>
+
 </Project>