// Copyright (c) 2017 schick Informatik
// Description:
//

using System;
using System.Globalization;
using System.Windows.Data;
using System.Windows.Markup;

namespace ENI2.Util
{
    /// <summary>
    /// Um ein ENUM an Radiobuttons zu binden
    /// </summary>
    public class EnumToBooleanConverter : MarkupExtension, IValueConverter
    {
        private static EnumToBooleanConverter _converter;

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value.Equals(parameter);
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value.Equals(true) ? parameter : Binding.DoNothing;
        }

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            if (_converter == null)
            {
                _converter = new EnumToBooleanConverter();
            }
            return _converter;
        }
    }
}