Initial commit

WinWARP.Ui/Converters/LanguageCodeToNameConverter.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using Microsoft.UI.Xaml.Data;
+
+namespace WinWARP.Ui.Converters;
+
+public class LanguageCodeToNameConverter : IValueConverter
+{
+    public object Convert(object value, Type targetType, object parameter, string language)
+    {
+        if (value is string languageCode && !string.IsNullOrWhiteSpace(languageCode))
+        {
+            try
+            {
+                CultureInfo culture = new CultureInfo(languageCode);
+
+                // DisplayName returns "English (United States)"
+                // NativeName returns "English (United States)" or "Español (España)"
+                return culture.NativeName;
+            }
+            catch (CultureNotFoundException)
+            {
+                return value;
+            }
+        }
+        return string.Empty;
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, string language)
+    {
+        throw new NotImplementedException();
+    }
+}