using System;
using System.Linq;
using System.Reflection;
using Constants.EnumHelpers;
namespace EnumDescription
{
public enum OrderEnum
{
[Description("Buy Market")]
OT_buyMarket = 0,
[Description("Sell Market")]
OT_sellMarket,
[Description("Buy Limit")]
OT_buyLimit,
[Description("Sell Limit")]
OT_sellLimit,
}
public HowToGetEnumDescription
{
private static Dictionary<int, string> GetDictionaryFromEnum<T>()
{
var myDictionary = new Dictionary<int, string>();
foreach (T code in Enum.GetValues(typeof(T)).Cast<T>())
{
if ((code as Enum).Lookup())
{
myDictionary.Add(int.Parse((code as Enum).GetValue()), (code as Enum).GetDescription());
}
}
return myDictionary;
}
private static string getEnumDescription(int roleKey) {
Dictionary<int, string> defaultDictinary = GetDictionaryFromEnum<EnumDescription.OrderEnum>();
string value;
defaultDictinary.TryGetValue(roleKey, out value);
return value;
}
[TestMethod]
public void TestingHowToGetEnumDescription()
{
Dictionary<int, string> selectedDictinary = GetDictionaryFromEnum<EnumDescription.OrderEnum>();
Assert.IsNotNull(selectedDictinary);
Assert.IsTrue(selectedDictinary.ContainsValue(getEnumDescription((int)EnumDescription.OrderEnum.OT_buyMarket)));
}
}
public static class EnumHelper
{
public static string GetDescription(this Enum value)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
Description attribute = Attribute.GetCustomAttribute(fieldInfo, typeof(Description)) as Description;
return attribute == null ? value.ToString() : attribute.Text;
}
public static bool Lookup(this Enum value)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
Include attribute = Attribute.GetCustomAttribute(fieldInfo, typeof(Include)) as Include;
return attribute == null ? true : attribute.IncludeInLookup;
}
public static string GetValue(this Enum value)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
Value attribute = Attribute.GetCustomAttribute(fieldInfo, typeof(Value)) as Value;
return attribute == null ? Convert.ToInt32(value).ToString() : attribute.Text;
}
}
}
