a287ed83ab
- TranslationSource singleton with INotifyPropertyChanged indexer binding - PropertyChanged fires with string.Empty on culture switch (signals all bindings refresh) - Missing key returns [key] placeholder (prevents null in WPF bindings) - Strings.resx with 27 Phase 1 UI string keys (EN) - Strings.fr.resx with same 27 keys stubbed with EN text (FR completeness Phase 5) - Strings.Designer.cs ResourceManager for dotnet build compatibility - SharepointToolbox.csproj updated with EmbeddedResource metadata
39 lines
1.3 KiB
C#
39 lines
1.3 KiB
C#
using System.ComponentModel;
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using System.Globalization;
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using System.Resources;
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namespace SharepointToolbox.Localization;
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/// <summary>
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/// Singleton INotifyPropertyChanged string lookup enabling runtime culture switching without restart.
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/// WPF bindings use: Source={x:Static loc:TranslationSource.Instance}, Path=[key]
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/// On CurrentCulture change, fires PropertyChanged with empty string to signal all properties changed,
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/// which causes WPF to re-evaluate all bindings to this source.
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/// </summary>
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public class TranslationSource : INotifyPropertyChanged
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{
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public static readonly TranslationSource Instance = new();
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private ResourceManager _resourceManager = Strings.ResourceManager;
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private CultureInfo _currentCulture = CultureInfo.CurrentUICulture;
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private TranslationSource() { }
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public string this[string key] =>
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_resourceManager.GetString(key, _currentCulture) ?? $"[{key}]";
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public CultureInfo CurrentCulture
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{
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get => _currentCulture;
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set
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{
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if (Equals(_currentCulture, value)) return;
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_currentCulture = value;
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Thread.CurrentThread.CurrentUICulture = value;
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(string.Empty));
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}
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}
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public event PropertyChangedEventHandler? PropertyChanged;
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}
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