54 lines
2.5 KiB
C#
54 lines
2.5 KiB
C#
using DTS.Common.SharedResource.Strings;
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using System;
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using System.ComponentModel;
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using System.Linq;
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namespace DTS.Common.Converters
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{
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/// <summary>
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/// Display enum description instead of enum value
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/// http://brianlagunas.com/a-better-way-to-data-bind-enums-in-wpf/
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/// </summary>
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public class EnumDescriptionTypeConverterShared : EnumConverter
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{
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public EnumDescriptionTypeConverterShared(Type type)
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: base(type)
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{
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}
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/// <summary>
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/// Modifies the source data before passing it to the target for display in the UI.
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/// </summary>
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/// <param name="value">The value to be converted</param>
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/// <param name="context">The source data being passed to the target.</param>
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/// <param name="culture">The culture of the conversion.</param>
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/// <param name="destinationType">The System.Type of data expected by the target dependency property.</param>
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/// <returns>The value to be passed to the target dependency property.</returns>
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public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
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{
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if (destinationType != typeof(string)) return base.ConvertTo(context, culture, value, destinationType);
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if (value == null) return string.Empty;
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var fi = value.GetType().GetField(value.ToString());
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if (fi == null) return string.Empty;
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var attributes = (DescriptionAttribute[])fi.GetCustomAttributes(typeof(DescriptionAttribute), false);
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if (!attributes.Any() || string.IsNullOrEmpty(attributes[0].Description)) return value.ToString();
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var s = StringResources.ResourceManager.GetString(attributes[0].Description);
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return string.IsNullOrWhiteSpace(s) ? attributes[0].Description : s;
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}
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public static string GetEnumDescription(Enum value)
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{
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var fi = value.GetType().GetField(value.ToString());
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DescriptionAttribute[] attributes =
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(DescriptionAttribute[])fi.GetCustomAttributes
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(typeof(DescriptionAttribute), false);
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if (attributes.Length > 0)
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{
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var s = StringResources.ResourceManager.GetString(attributes[0].Description);
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if (!string.IsNullOrWhiteSpace(s)) { return s; }
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return attributes[0].Description;
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}
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return value.ToString();
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}
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}
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}
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