JDHY/客户端/齐越慧眼/齐越慧眼/ToStringConverter.cs

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

namespace WPF.Converters
{

    public class ToStringConverter : IValueConverter
    {

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (parameter == null)
            {
                return value;
            }

            string key = string.Empty;
            if (value == null)
            {
                key = "null";
            }
            else
            {
                key = value.ToString().ToLower();
            }
            string[] arr = parameter.ToString().Split('|');

            Dictionary<string, string> dic = new Dictionary<string, string>();

            foreach (var str in arr)
            {
                string[] drr = str.Split(new string[] { "----" }, StringSplitOptions.None);
                dic.Add(drr[0].ToLower(), drr[1]);
            }

            string defa = dic.FirstOrDefault().Value.ToString();

            if (dic.ContainsKey(key))
            {
                if (dic[key] == "Collapsed")
                    return System.Windows.Visibility.Collapsed;
                if (dic[key] == "Visible")
                    return System.Windows.Visibility.Visible;

                return dic[key];
            }
            else if (defa == "Visible")
            {
                return System.Windows.Visibility.Collapsed;
            }
            else
                if (defa == "Collapsed")
                return System.Windows.Visibility.Visible;
            else
                if (defa.ToLower() == "false")
                return true;
            else if (defa.ToLower() == "true")
                return false;
            return defa;
        }


        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            string strValue = value.ToString();
            return value;
        }

    }
}