///// <summary>
///// Gets a Value Name for a particular enum value.
///// </summary>
///// <param name="enumValue">Enum value</param>
///// <returns>String Value Name associated via a <see cref="EnumAdditionalAttribute"/> attribute, or null if not found.</returns>
//public static String GetValueName(this Enum enumValue)
//{
// Contract.Requires(enumValue != null);
// var provider = new EnumAdditionalProvider<EnumAdditionalAttribute>();
// return provider.GetEnumResource(enumValue)?.ValueName ?? String.Empty;
//}
/// <summary>
/// Gets a Description for a particular enum value.
/// </summary>
/// <param name="enumValue">Enum value</param>
/// <returns>String Value associated via a <see cref="EnumAdditionalAttribute"/> attribute, or null if not found.</returns>
public static String GetDescription(this Enum enumValue)
{
Contract.Requires(enumValue != null);
EnumAdditionalProvider <EnumAdditionalAttribute> provider = new EnumAdditionalProvider <EnumAdditionalAttribute>();
EnumAdditionalAttribute resource = provider.GetEnumResource(enumValue);
return(resource != null ? resource.Description : Enum.GetName(enumValue.GetType(), enumValue));
}
/// <summary>
/// Gets an enum for a particular enum value.
/// </summary>
/// <param name="enumValue">Enum value</param>
/// <returns>String Value associated via a <see cref="StringValueAttribute"/> attribute, or null if not found.</returns>
public static Int32 GetEnumInt(Enum enumValue)
{
Contract.Requires(enumValue != null);
Int32 result = 0;
EnumAdditionalProvider <EnumAdditionalAttribute> provider = new EnumAdditionalProvider <EnumAdditionalAttribute>();
EnumAdditionalAttribute resource = provider.GetEnumResource(enumValue);
if (resource != null)
{
result = resource.EnumValue;
}
return(result);
}
private static IList <EnumAdditionalAttribute> GetEnumsCore(Type enumType)
{
List <EnumAdditionalAttribute> result = new List <EnumAdditionalAttribute>();
//Look for our string value associated with fields in this enum
foreach (FieldInfo fieldInfo in enumType.GetFields())
{
//Check for our custom attribute
EnumAdditionalAttribute[] attributes = fieldInfo.GetCustomAttributes(typeof(EnumAdditionalAttribute), false) as EnumAdditionalAttribute[];
if (attributes != null && attributes.Length > 0)
{
EnumAdditionalAttribute attribute = attributes[0];
attribute.EnumValue = (Int32)fieldInfo.GetValue(enumType);
//attribute.ValueName = fieldInfo.Name;
result.Add(attribute);
}
}
return(result);
}
/// <summary>
/// Gets the first non empty value of either Code, Name or Description for a particular enum value.
/// </summary>
/// <param name="enumValue">Enum value</param>
/// <returns>String Value associated via a <see cref="EnumAdditionalAttribute"/> attribute, or null if not found.</returns>
public static String GetCodeNameOrDescription(this Enum enumValue)
{
if (enumValue == null)
{
throw new ArgumentNullException(nameof(enumValue));
}
String result;
EnumAdditionalProvider <EnumAdditionalAttribute> provider = new EnumAdditionalProvider <EnumAdditionalAttribute>();
EnumAdditionalAttribute resource = provider.GetEnumResource(enumValue);
if (resource != null)
{
if (!resource.Code.IsEmpty())
{
result = resource.Code;
}
else if (!resource.HumanisedName.IsEmpty())
{
result = resource.HumanisedName;
}
else if (!resource.Description.IsEmpty())
{
result = resource.Description;
}
else
{
result = Enum.GetName(enumValue.GetType(), enumValue);
}
}
else
{
result = enumValue.ToString();
}
return(result);
}
