61 lines
1.8 KiB
Plaintext
61 lines
1.8 KiB
Plaintext
@inject LanguageProvider LanguageProvider
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@inject IStringLocalizer<LanguageSelector> Localizer
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<div class="dropdown">
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<button class="btn btn-outline-secondary dropdown-toggle"
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type="button"
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data-bs-toggle="dropdown"
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aria-expanded="false">
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@GetLanguageDisplayName(LanguageProvider.CurrentLanguage)
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</button>
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<ul class="dropdown-menu">
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@foreach (var language in LanguageProvider.SupportedLanguages)
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{
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<li>
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<button class="dropdown-item @(language == LanguageProvider.CurrentLanguage ? "active" : "")"
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@onclick="() => ChangeLanguage(language)"
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type="button">
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@GetLanguageDisplayName(language)
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@if (language == LanguageProvider.CurrentLanguage)
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{
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<span class="badge bg-primary">✓</span>
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}
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</button>
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</li>
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}
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</ul>
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</div>
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@code {
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protected override void OnInitialized()
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{
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// 订阅变更以便在语言切换时即时更新该组件
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LanguageProvider.OnLanguageChanged += OnLanguageChanged;
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}
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private void OnLanguageChanged()
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{
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// 在 UI 线程上下文中触发 StateHasChanged
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_ = InvokeAsync(StateHasChanged);
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}
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public void Dispose()
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{
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LanguageProvider.OnLanguageChanged -= OnLanguageChanged;
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}
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private string GetLanguageDisplayName(string languageCode)
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{
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return languageCode switch
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{
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"zh-Hans" => "简体中文",
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"en-US" => "English (US)",
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_ => languageCode
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};
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}
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private async Task ChangeLanguage(string languageCode)
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{
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await LanguageProvider.ChangeLanguageAsync(languageCode);
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}
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} |