From 75556070d6138e65e3982de1a5a36f8ef0954a96 Mon Sep 17 00:00:00 2001
From: hishamco <hishamco_2007@yahoo.com>
Date: Wed, 2 Dec 2020 02:04:34 +0300
Subject: [PATCH] Ability to change culture

---
 Oqtane.Client/Oqtane.Client.csproj                   |  1 +
 Oqtane.Client/Program.cs                             | 10 ++++++++++
 Oqtane.Client/Themes/Controls/LanguageSwitcher.razor | 12 ++++++++++--
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/Oqtane.Client/Oqtane.Client.csproj b/Oqtane.Client/Oqtane.Client.csproj
index 3ce83439..da11a472 100644
--- a/Oqtane.Client/Oqtane.Client.csproj
+++ b/Oqtane.Client/Oqtane.Client.csproj
@@ -17,6 +17,7 @@
     <PackageReleaseNotes>https://github.com/oqtane/oqtane.framework/releases/tag/v2.0.0</PackageReleaseNotes>
     <RootNamespace>Oqtane</RootNamespace>
     <IsPackable>true</IsPackable>
+    <BlazorWebAssemblyLoadAllGlobalizationData>true</BlazorWebAssemblyLoadAllGlobalizationData>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Oqtane.Client/Program.cs b/Oqtane.Client/Program.cs
index 7fdfa6bd..6689db41 100644
--- a/Oqtane.Client/Program.cs
+++ b/Oqtane.Client/Program.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
@@ -10,6 +11,7 @@ using System.Threading.Tasks;
 using Microsoft.AspNetCore.Components.Authorization;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.JSInterop;
 using Oqtane.Modules;
 using Oqtane.Providers;
 using Oqtane.Services;
@@ -89,6 +91,14 @@ namespace Oqtane.Client
             }
 
             var host = builder.Build();
+            var jsRuntime = host.Services.GetRequiredService<IJSRuntime>();
+            var culture = await jsRuntime.InvokeAsync<string>("oqtaneCulture.get");
+            if (culture != null)
+            {
+                var cultureInfo = CultureInfo.GetCultureInfo(culture);
+                CultureInfo.DefaultThreadCurrentCulture = cultureInfo;
+                CultureInfo.DefaultThreadCurrentUICulture = cultureInfo;
+            }
 
             ServiceActivator.Configure(host.Services);
 
diff --git a/Oqtane.Client/Themes/Controls/LanguageSwitcher.razor b/Oqtane.Client/Themes/Controls/LanguageSwitcher.razor
index 3b630a7a..8ce1c52d 100644
--- a/Oqtane.Client/Themes/Controls/LanguageSwitcher.razor
+++ b/Oqtane.Client/Themes/Controls/LanguageSwitcher.razor
@@ -2,6 +2,7 @@
 @inherits ThemeControlBase
 @using System.Globalization
 @inject ILocalizationService LocalizationService
+@inject NavigationManager NavigationManager
 
 @if (_supportedCultures != null)
 {
@@ -12,7 +13,7 @@
         <div class="dropdown-menu" aria-labelledby="btnCultures">
             @foreach (var culture in _supportedCultures)
             {
-                <a class="dropdown-item @(_selectedCulture == culture ? "active" : String.Empty)" href="#">@CultureInfo.GetCultureInfo(culture).DisplayName</a>
+                <a class="dropdown-item @(_selectedCulture == culture ? "active" : String.Empty)" href="#" @onclick="@(async () => await SetCultureAsync(culture))">@CultureInfo.GetCultureInfo(culture).DisplayName</a>
             }
         </div>
     </div>
@@ -24,7 +25,14 @@
 
     protected override async Task OnParametersSetAsync()
     {
-        _selectedCulture = await JSRuntime.InvokeAsync<string>("oqtaneCulture.get");
+        _selectedCulture = _selectedCulture = await JSRuntime.InvokeAsync<string>("oqtaneCulture.get");
         _supportedCultures = await LocalizationService.GetSupportedCultures();
     }
+
+    private async Task SetCultureAsync(string culture)
+    {
+        await JSRuntime.InvokeVoidAsync("oqtaneCulture.set", culture);
+
+        NavigationManager.NavigateTo(NavigationManager.Uri, forceLoad: true);
+    }
 }