ChronoFlow/ChronoFlow.View/Converter/BoolToBrushConverter.cs

using System;
using System.Globalization;
using Avalonia.Data.Converters;
using Avalonia.Media;

namespace ChronoFlow.View.Converter
{
    public class BoolToBrushConverter : IValueConverter
    {
        public IBrush TrueBrush { get; set; } = Brushes.Blue;
        public IBrush FalseBrush { get; set; } = Brushes.Gray;

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is bool b)
                return b ? TrueBrush : FalseBrush;

            return FalseBrush;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) =>
            throw new NotSupportedException();
    }
}