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using System;
using System.ComponentModel;
using System.Reflection;
using System.Text;
namespace Gestor.Application.Helpers
{
public class BindingEnumHelper
{
public BindingEnumHelper()
{
}
public static string ConcatenarDescricoesEnum<TEnum>(string valores)
where TEnum : Enum
{
if (valores == null)
{
return null;
}
return BindingEnumHelper.ConcatenarDescricoesEnum<TEnum>(Array.ConvertAll<string, int>(valores.Split(new char[] { ',' }), new Converter<string, int>(int.Parse)));
}
private static string ConcatenarDescricoesEnum<TEnum>(int[] valores)
where TEnum : Enum
{
StringBuilder stringBuilder = new StringBuilder();
int[] numArray = valores;
for (int i = 0; i < (int)numArray.Length; i++)
{
int num = numArray[i];
if (!Enum.IsDefined(typeof(TEnum), num))
{
stringBuilder.Append("Valor desconhecido, ");
}
else
{
string str = BindingEnumHelper.ObterDescricaoEnum<TEnum>((TEnum)Enum.ToObject(typeof(TEnum), num));
stringBuilder.Append(string.Concat(str, ", "));
}
}
return stringBuilder.ToString().TrimEnd(new char[] { ',', ' ' });
}
private static string ObterDescricaoEnum<TEnum>(TEnum valor)
where TEnum : Enum
{
DescriptionAttribute[] customAttributes = (DescriptionAttribute[])valor.GetType().GetField(valor.ToString()).GetCustomAttributes(typeof(DescriptionAttribute), false);
if (customAttributes == null || customAttributes.Length == 0)
{
return valor.ToString();
}
return customAttributes[0].Description;
}
}
}
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