first commit

Nitrox.Launcher/Models/Converters/ToStringConverter.cs

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+using System;
+using System.ComponentModel;
+using System.Globalization;
+using Avalonia.Data;
+using NitroxModel.Helper;
+
+namespace Nitrox.Launcher.Models.Converters;
+
+/// <summary>
+///     Formats the bound value as a string using a specific formatting style.
+/// </summary>
+public class ToStringConverter : Converter<ToStringConverter>
+{
+    public override object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if (value is null)
+        {
+            return null;
+        }
+
+        if (value.GetType().IsEnum)
+        {
+            value = (value as Enum)?.GetAttribute<DescriptionAttribute>()?.Description ?? value.ToString();
+        }
+
+        if (value is not string sourceText)
+        {
+            sourceText = value?.ToString();
+        }
+
+        if (!targetType.IsAssignableTo(typeof(string)) || sourceText == null)
+        {
+            return new BindingNotification(new InvalidCastException(), BindingErrorType.Error);
+        }
+
+        return parameter switch
+        {
+            "upper" => sourceText.ToUpperInvariant(),
+            "lower" => sourceText.ToLowerInvariant(),
+            _ => CultureManager.CultureInfo.TextInfo.ToTitleCase(sourceText.ToLower().Replace("_", " ")),
+        };
+    }
+
+    public override object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => value;
+}