using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

namespace FWindSoft.Wpf.Converter
{
    public class BoolToStringConverter : IValueConverter
    {
        private Dictionary<bool, string> m_DicItems;
        public BoolToStringConverter(Dictionary<bool, string> dicItems)
        {
            m_DicItems = dicItems ?? new Dictionary<bool, string>();
        }

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value.GetType() != typeof(bool))
                return string.Empty;
            string result = string.Empty;
            if (m_DicItems.TryGetValue((bool) value, out result))
            {
                return result;
            }
            return value.ToString();
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (targetType != typeof(bool))
                return false;
            foreach (var mDicItem in m_DicItems)
            {
                if (mDicItem.Value == value.ToString())
                    return mDicItem.Key;
            }
          
            return false;
        }
    }
}