75 lines
2.2 KiB
C#
75 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Globalization;
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using System.Linq;
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using System.Reflection;
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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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public class EnumDescriptionConverter : IValueConverter
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{
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private string GetEnumDescription(Enum enumObj)
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{
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FieldInfo fieldInfo = enumObj.GetType().GetField(enumObj.ToString());
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var descriptionAttr = fieldInfo
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.GetCustomAttributes(false)
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.OfType<DescriptionAttribute>()
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.Cast<DescriptionAttribute>()
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.SingleOrDefault();
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if (descriptionAttr == null)
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{
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return enumObj.ToString();
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}
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else
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{
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return descriptionAttr.Description;
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}
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}
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object IValueConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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Enum myEnum = (Enum)value;
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string description = GetEnumDescription(myEnum);
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return description;
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}
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object IValueConverter.ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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return string.Empty;
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}
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}
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public class EnumDescriptionTypeConverter : EnumConverter
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{
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public EnumDescriptionTypeConverter(Type type) : base(type)
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{
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}
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public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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{
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if (destinationType == typeof(string))
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{
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if (null != value)
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{
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FieldInfo fi = value.GetType().GetField(value.ToString());
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if (null != fi)
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{
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var attributes =
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(DescriptionAttribute[])fi.GetCustomAttributes(typeof(DescriptionAttribute), false);
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return ((attributes.Length > 0) && (!string.IsNullOrEmpty(attributes[0].Description)))
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? attributes[0].Description
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: value.ToString();
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}
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}
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return string.Empty;
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}
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return base.ConvertTo(context, culture, value, destinationType);
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}
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}
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}
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