FormatStringConverter.cs

using System.Globalization;
using NeuroAccessMaui.Services;
using NeuroAccessMaui.Services.EventLog;
 
namespace NeuroAccessMaui.UI.Converters
{
    public class FormatStringConverter : IMultiValueConverter
    {
        // values[0] is the format string
        // values[1..] are the format arguments
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            if (values is null || values.Length == 0)
                return string.Empty;
 
            string Format = values[0]?.ToString() ?? string.Empty;
            object[] Args = values.Skip(1).ToArray();
 
            try
            {
                return string.Format(culture, Format, Args);
            }
            catch(Exception Ex)
            {
                // Fallback: if something went wrong, just return format + args joined
                ServiceRef.LogService.LogWarning($"FormatStringConverter failed: {Ex.Message}");
                return Format + " " + string.Join(", ", Args);
            }
        }
 
        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
            => throw new NotSupportedException();
    }
}