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

namespace Aitex.UI.RecipeEditor
{
    public class ErrItemDisplayConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            try
            {
                if (value == null)
                    return "";
                var list1 = value as List<Tuple<int, int, string, string>>;
                var list2 = new List<string>();
                int no = 1;
                foreach (var item in list1)
                {
                    list2.Add(string.Format("{0}. 第{1}步，第{2}行，变量名：{3}，原因：{4}", no++, item.Item2 + 1, item.Item1 + 1, item.Item3, item.Item4));
                }
                return list2;
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine(ex.Message);
            }
            return null;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return value.ToString();
        }
    }
}