Avalonia/src/Markup/Avalonia.Markup.Xaml/MarkupExtensions/ReflectionBindingExtension.cs

using Avalonia.Data;
using System;

namespace Avalonia.Markup.Xaml.MarkupExtensions
{
    using Avalonia.Controls;
    using Avalonia.Data.Converters;
    using Avalonia.Markup.Data;
    using Avalonia.Styling;
    using System.ComponentModel;

    public class ReflectionBindingExtension
    {
        public ReflectionBindingExtension()
        {
        }

        public ReflectionBindingExtension(string path)
        {
            Path = path;
        }

        public Binding ProvideValue(IServiceProvider serviceProvider)
        {
            var descriptorContext = (ITypeDescriptorContext)serviceProvider;

            return new Binding
            {
                TypeResolver = descriptorContext.ResolveType,
                Converter = Converter,
                ConverterParameter = ConverterParameter,
                ElementName = ElementName,
                FallbackValue = FallbackValue,
                Mode = Mode,
                Path = Path,
                Priority = Priority,
                Source = Source,
                StringFormat = StringFormat,
                RelativeSource = RelativeSource,
                DefaultAnchor = new WeakReference(descriptorContext.GetDefaultAnchor()),
                TargetNullValue = TargetNullValue,
                NameScope = new WeakReference<INameScope>(serviceProvider.GetService<INameScope>())
            };
        }

        public IValueConverter Converter { get; set; }

        public object ConverterParameter { get; set; }

        public string ElementName { get; set; }

        public object FallbackValue { get; set; } = AvaloniaProperty.UnsetValue;

        public BindingMode Mode { get; set; }

        [ConstructorArgument("path")]
        public string Path { get; set; }

        public BindingPriority Priority { get; set; } = BindingPriority.LocalValue;

        public object Source { get; set; }

        public string StringFormat { get; set; }

        public RelativeSource RelativeSource { get; set; }

        public object TargetNullValue { get; set; } = AvaloniaProperty.UnsetValue;
    }
}