using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;
namespace WX.CRM.Common.MvcValidation
{
    /// <summary>
    /// 用来禁止属性某个值的输入
    /// </summary>
    public sealed class NoInputAttribute : ValidationAttribute, IClientValidatable
    {
        public string Input { get; set; }

        public NoInputAttribute(string input)
        {
            this.Input = input;
        }

        public override bool IsValid(object value)
        {
            //如果没有输入值，放行
            if (value == null)
            {
                return true;
            }
            if (value is string)
            {
                if (Input.IndexOf("[" + value.ToString() + "]") > -1)
                {
                    return false;
                }
            }
            return true;
        }

        public System.Collections.Generic.IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
        {
            ModelClientValidationRule rule = new ModelClientValidationRule
            {
                ValidationType = "noinput",
                ErrorMessage = FormatErrorMessage(metadata.GetDisplayName())
            };
            rule.ValidationParameters["input"] = Input;
            yield return rule;
        }
    }
}