Change how the Simplified Chinese language is displayed (Tyrrrz#820)

Author: girl-dream

YoutubeDownloader/Converters/EnumDisplayConverter.cs

@@ -0,0 +1,37 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.Globalization;
+using System.Reflection;
+using Avalonia.Data.Converters;
+
+namespace YoutubeDownloader.Converters;
+
+public class EnumDisplayConverter : IValueConverter
+{
+    public static EnumDisplayConverter Instance { get; } = new();
+
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is Enum enumValue)
+        {
+            var memberInfo = enumValue.GetType().GetMember(enumValue.ToString());
+            if (memberInfo.Length > 0)
+            {
+                var displayAttr = memberInfo[0].GetCustomAttribute<DisplayAttribute>();
+                if (displayAttr?.Name is not null)
+                    return displayAttr.Name;
+            }
+
+            return enumValue.ToString();
+        }
+
+        return default(string);
+    }
+
+    public object ConvertBack(
+        object? value,
+        Type targetType,
+        object? parameter,
+        CultureInfo culture
+    ) => throw new NotSupportedException();
+}

YoutubeDownloader/Localization/Language.cs

@@ -1,3 +1,5 @@
+using System.ComponentModel.DataAnnotations;
+
 namespace YoutubeDownloader.Localization;
 
 public enum Language
@@ -8,5 +10,7 @@ public enum Language
     German,
     French,
     Spanish,
+
+    [Display(Name = "Simplified Chinese")]
     ChineseSimplified,
 }

YoutubeDownloader/Views/Dialogs/SettingsView.axaml

@@ -29,7 +29,7 @@
                         ToolTip.Tip="{Binding LocalizationManager.ThemeTooltip}">
                         <TextBlock DockPanel.Dock="Left" Text="{Binding LocalizationManager.ThemeLabel}" />
                         <ComboBox
-                            Width="150"
+                            Width="160"
                             DockPanel.Dock="Right"
                             ItemsSource="{Binding AvailableThemes}"
                             SelectedItem="{Binding Theme}" />
@@ -42,10 +42,16 @@
                         ToolTip.Tip="{Binding LocalizationManager.LanguageTooltip}">
                         <TextBlock DockPanel.Dock="Left" Text="{Binding LocalizationManager.LanguageLabel}" />
                         <ComboBox
-                            Width="150"
+                            Width="160"
                             DockPanel.Dock="Right"
                             ItemsSource="{Binding AvailableLanguages}"
-                            SelectedItem="{Binding Language}" />
+                            SelectedItem="{Binding Language}">
+                            <ComboBox.ItemTemplate>
+                                <DataTemplate>
+                                    <TextBlock Text="{Binding Converter={x:Static converters:EnumDisplayConverter.Instance}}" />
+                                </DataTemplate>
+                            </ComboBox.ItemTemplate>
+                        </ComboBox>
                     </DockPanel>
 
                     <!--  Auto-updates  -->