using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;

using Revolucent.Dasso.Core;

namespace Revolucent.Dasso.Program.Binding
{
    static class Binding
    {
        public static void SetBinding<S, P>(this S source, Expression<Func<P>> sourceGetterExpression, params Action<P>[] targetSetters)
            where S : INotifyPropertyChanged
        {
            var sourceGetter = sourceGetterExpression.Compile();
            var memberExpression = (MemberExpression)sourceGetterExpression.Body;
            var propertyName = memberExpression.Member.Name;
            source.PropertyChanged += (sender, e) =>
                {
                    if (e.PropertyName != propertyName)
                        return;
                    targetSetters.ForEach(setter => setter(sourceGetter()));
                };
        }
    }
}