40 lines
1.6 KiB
C#
40 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Data;
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namespace Cowain.Bake.Common.Converter
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{
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/// <summary>
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/// 状态转换器
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/// </summary>
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public class ObjectConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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string[] parray = parameter.ToString().ToLower().Split(':'); //将参数字符分段 parray[0]为比较值，parray[1]为true返回值，parray[2]为false返回值
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if (value == null)
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return parray[2]; //如果数据源为空，默认返回false返回值
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if (parray[0].Contains("|")) //判断有多个比较值的情况
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return parray[0].Split('|').Contains(value.ToString().ToLower()) ? parray[1] : parray[2]; //多值比较
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return parray[0].Equals(value.ToString().ToLower()) ? parray[1] : parray[2]; //单值比较
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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var returnValue = "otherValue";
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string[] parray = parameter.ToString().ToLower().Split(':');
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if (value == null)
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return returnValue;
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var valueStr = value.ToString().ToLower();
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if (valueStr != parray[1])
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return returnValue;
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else
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return parray[0].Contains('|') ? parray[0].Split('|')[0] : parray[0];
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}
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}
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}
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