From 0c20c898dac7f78791034bfdd159a57667fbcb72 Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <mail@tsommer.org>
Date: Thu, 23 Sep 2021 18:58:52 +0200
Subject: [PATCH] Added message handling

---
 BlazorWebassemblyI18n/App.razor.cs            | 22 +++++++++++++++++
 .../Pages/EmployeeData.razor                  | 24 +++++++++++--------
 .../Pages/LanguageSelector.razor              | 10 +++++++-
 3 files changed, 45 insertions(+), 11 deletions(-)
 create mode 100644 BlazorWebassemblyI18n/App.razor.cs

diff --git a/BlazorWebassemblyI18n/App.razor.cs b/BlazorWebassemblyI18n/App.razor.cs
new file mode 100644
index 0000000..660a215
--- /dev/null
+++ b/BlazorWebassemblyI18n/App.razor.cs
@@ -0,0 +1,22 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+
+namespace BlazorWebassemblyI18n
+{
+    public sealed partial class App : IMessage
+    {
+        [Inject] private SessionManager sessionManager { get; set; }
+
+        protected override Task OnInitializedAsync()
+        {
+            sessionManager.Register(this);
+            return base.OnInitializedAsync();
+        }
+
+        public Task ReceiveMessage(string message)
+        {
+            this.StateHasChanged();
+            return Task.CompletedTask;
+        }
+    }
+}
\ No newline at end of file
diff --git a/BlazorWebassemblyI18n/Pages/EmployeeData.razor b/BlazorWebassemblyI18n/Pages/EmployeeData.razor
index 0ae9d74..d2e103c 100644
--- a/BlazorWebassemblyI18n/Pages/EmployeeData.razor
+++ b/BlazorWebassemblyI18n/Pages/EmployeeData.razor
@@ -1,7 +1,9 @@
 @page "/employee"
 @using Newtonsoft.Json;
+@using R = BlazorWebassemblyI18n.Resources;
 @inject IJSRuntime JSRuntime
 @inject Microsoft.Extensions.Localization.IStringLocalizer<App> Localize
+@implements IMessage
 
 <h1>@title</h1>
 <br />
@@ -23,11 +25,11 @@
         </div>
         <div class="col-md-4">
             <div class="form-group">
-                <label class="control-label col-md-12">@Localize["City"]</label>
+                <label class="control-label col-md-12">@R.App.City</label>
                 <input class="form-control" @bind="employee.City" />
             </div>
             <div class="form-group">
-                <label class="control-label col-md-12">@Localize["Salary"]</label>
+                <label class="control-label col-md-12">@R.App.Salary</label>
                 <input type="number" class="form-control" @bind="employee.Salary" />
             </div>
         </div>
@@ -65,19 +67,21 @@
 </div>
 
 @code{
+    [Inject] private SessionManager sessionManager { get; set; }
+
     Employee employee = new Employee();
     List<Employee> lstEmployees = new List<Employee>();
-    string title;
+    string title => string.Format(R.App.Title, companyName);
     string companyName = "Phrase";
 
     string[] TableHeader = { "Name", "Gender", "City", "Salary", "Joining Date" };
 
     protected override async Task OnInitializedAsync()
     {
-        setTitle();
         var empGetJS = (IJSInProcessRuntime)JSRuntime;
         var empList = await empGetJS.InvokeAsync<string>("employeeData.get");
         FetchEmployeeFromLocalStorage(empList);
+        sessionManager.Register(this);
     }
 
     void SaveEmployeeToLocalStorage()
@@ -89,6 +93,12 @@
         employee = new Employee();
     }
 
+    public Task ReceiveMessage(string message)
+    {
+        this.StateHasChanged();
+        return Task.CompletedTask;
+    }
+
     void FetchEmployeeFromLocalStorage(string empList)
     {
         if (empList != null)
@@ -97,12 +107,6 @@
         }
     }
 
-    void setTitle()
-    {
-        string localizedTitle = Localize["Title"];
-        title = string.Format(localizedTitle, companyName);
-    }
-
     class Employee
     {
         public string Name { get; set; }
diff --git a/BlazorWebassemblyI18n/Pages/LanguageSelector.razor b/BlazorWebassemblyI18n/Pages/LanguageSelector.razor
index 9a8de77..bc0f917 100644
--- a/BlazorWebassemblyI18n/Pages/LanguageSelector.razor
+++ b/BlazorWebassemblyI18n/Pages/LanguageSelector.razor
@@ -13,6 +13,9 @@
 
 @code
 {
+    [Inject]
+    SessionManager sessionManager {get;set;}
+
     CultureInfo[] supportedLanguages = new[]
     {
         new CultureInfo("en-US"),
@@ -29,8 +32,13 @@
             {
                 var js = (IJSInProcessRuntime)JSRuntime;
                 js.InvokeVoid("appCulture.set", value.Name);
+                var cultureInfo = new CultureInfo(value.Name);
+                CultureInfo.DefaultThreadCurrentCulture = cultureInfo;
+                CultureInfo.DefaultThreadCurrentUICulture = cultureInfo;
+                CultureInfo.CurrentCulture = cultureInfo;
 
-                Nav.NavigateTo(Nav.Uri, forceLoad: true);
+                //Nav.NavigateTo(Nav.Uri, forceLoad: true);
+                sessionManager.SendMessage($"culture was changed to '{value.Name}'");
             }
         }
     }