BooleanToBrushConverter.cs

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using System.Globalization;
using System.Windows;
using System.Windows.Data;
using System.Windows.Media;
 
namespace Dreamine.UI.Wpf.Converters
{
    public class BooleanToBrushConverter : IValueConverter
    {
        public Brush OnBrush { get; set; } = Brushes.Lime;

        public Brush OffBrush { get; set; } = Brushes.Gray;

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            bool flag = false;
            if (value is bool b)
                flag = b;
            return flag ? OnBrush : OffBrush;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
            => Binding.DoNothing;
    }

    public class BrushOrUnsetConverter : IValueConverter
    {
        public Brush? OnBrush { get; set; } = new BrushConverter().ConvertFromString("#A2DED0") as Brush ?? Brushes.Transparent;

        public Brush? OffBrush { get; set; } = null;

        public bool UseUnsetWhenFalse { get; set; } = true;

        public object Convert(object v, Type t, object p, CultureInfo c)
        {
            bool isOn = v is bool b && b;
 
            if (isOn)
                return OnBrush ?? DependencyProperty.UnsetValue;
 
            if (!UseUnsetWhenFalse && OffBrush != null)
                return OffBrush;
 
            // 기본색(스타일/템플릿 기본값)로 복귀
            return DependencyProperty.UnsetValue;
        }

        public object ConvertBack(object v, Type t, object p, CultureInfo c) => Binding.DoNothing;
    }
}