using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Windows;

namespace BuzzGUI.Common
{
	public class EnumBooleanConverter : IValueConverter
	{
		#region IValueConverter Members
		public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			string parameterString = parameter as string;
			if (parameterString == null)
				return DependencyProperty.UnsetValue;

			if (Enum.IsDefined(value.GetType(), value) == false)
				return DependencyProperty.UnsetValue;

			object parameterValue = Enum.Parse(value.GetType(), parameterString);

			return parameterValue.Equals(value);
		}

		public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			string parameterString = parameter as string;
			if (parameterString == null)
				return DependencyProperty.UnsetValue;

			return Enum.Parse(targetType, parameterString);
		}
		#endregion
	}
}