/// <summary>
/// 获取枚举的显示名称
/// </summary>
/// <typeparam name="TEnum">枚举</typeparam>
/// <param name="value">枚举值</param>
/// <returns>如果返回-999即失败</returns>
public static int Value <TEnum>(this TEnum value) where TEnum : struct
{
if (!(value is Enum))
{
return(-999);
}
var values = NonGenericEnums.GetMember(value.GetType(), value);
return(values.ToInt32());
}
/// <summary>
/// 获取枚举的显示名称
/// </summary>
/// <typeparam name="TEnum">枚举</typeparam>
/// <param name="value">枚举值</param>
/// <returns></returns>
public static OperationType Operation <TEnum>(this TEnum value) where TEnum : struct
{
if (!(value is Enum))
{
return(OperationType.None);
}
var values = NonGenericEnums.GetMember(value.GetType(), value);
var dis = values.Attributes.Get(typeof(OperationAttribute)) as OperationAttribute;
return(dis == null ? OperationType.None : dis.Type);
}
/// <summary>
/// 获取枚举的显示名称
/// </summary>
/// <typeparam name="TEnum">枚举</typeparam>
/// <param name="value">枚举值</param>
/// <returns></returns>
public static string DisplayName <TEnum>(this TEnum value) where TEnum : struct
{
if (!(value is Enum))
{
return("");
}
var values = NonGenericEnums.GetMember(value.GetType(), value);
var dis = values.Attributes.Get(typeof(DisplayNameAttribute)) as DisplayNameAttribute;
return(dis == null ? "" : dis.DisplayName);
}
/// <summary>
/// 获取枚举的描述
/// </summary>
/// <typeparam name="TEnum">枚举</typeparam>
/// <param name="value">枚举值</param>
/// <returns></returns>
public static string Description <TEnum>(this TEnum value) where TEnum : struct
{
if (!(value is Enum))
{
return("");
}
var values = NonGenericEnums.GetMember(value.GetType(), value);
var des = values.Attributes.Get(typeof(DescriptionAttribute)) as DescriptionAttribute;
return(des == null ? "" : des.Description);
}
/// <summary>
/// 字符串转枚举
/// </summary>
/// <typeparam name="TEnum">枚举类型</typeparam>
/// <param name="value">字符串</param>
/// <returns></returns>
public static TEnum StringToEnum <TEnum>(this string value) where TEnum : struct
{
if (value.IsEmpty())
{
return(default(TEnum));
}
var values = NonGenericEnums.GetMember(typeof(TEnum), value.ToCamel());
if (values == null)
{
return(default(TEnum));
}
return((TEnum)values.Value);
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (value == null)
{
writer.WriteNull();
}
else
{
var enumType = value.GetType();
if (EnumFormat != EnumFormat.DecimalValue)
{
var member = NonGenericEnums.GetMember(enumType, value);
if (member != null)
{
writer.WriteValue(member.AsString(EnumFormat));
return;
}
}
writer.WriteRawValue(NonGenericEnums.AsString(enumType, value, EnumFormat.DecimalValue));
}
}
internal EnumConfigurationNode(string key, Enum value, Type enumType) : base(key, value)
{
this.EnumType = enumType;
this.Value = NonGenericEnums.GetMember(enumType, value)
.Attributes.Get <SelectionOptionAttribute>().SerializeAs;
}