52 lines
2.3 KiB
C#
52 lines
2.3 KiB
C#
namespace System.Web.Mvc {
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Diagnostics.CodeAnalysis;
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using System.Globalization;
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using System.Reflection;
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using System.Web.Mvc.Resources;
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[AttributeUsage(AttributeTargets.Property)]
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[SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes", Justification = "This attribute is designed to be a base class for other attributes.")]
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public class CompareAttribute : ValidationAttribute, IClientValidatable {
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public CompareAttribute(string otherProperty)
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: base(MvcResources.CompareAttribute_MustMatch) {
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if (otherProperty == null) {
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throw new ArgumentNullException("otherProperty");
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}
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OtherProperty = otherProperty;
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}
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public string OtherProperty { get; private set; }
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public override string FormatErrorMessage(string name) {
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return String.Format(CultureInfo.CurrentCulture, ErrorMessageString, name, OtherProperty);
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}
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protected override ValidationResult IsValid(object value, ValidationContext validationContext) {
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PropertyInfo otherPropertyInfo = validationContext.ObjectType.GetProperty(OtherProperty);
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if (otherPropertyInfo == null) {
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return new ValidationResult(String.Format(CultureInfo.CurrentCulture, MvcResources.CompareAttribute_UnknownProperty, OtherProperty));
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}
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object otherPropertyValue = otherPropertyInfo.GetValue(validationContext.ObjectInstance, null);
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if (!Equals(value, otherPropertyValue)) {
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return new ValidationResult(FormatErrorMessage(validationContext.DisplayName));
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}
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return null;
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}
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public static string FormatPropertyForClientValidation(string property) {
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if (property == null) {
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throw new ArgumentException(MvcResources.Common_NullOrEmpty, "property");
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}
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return "*." + property;
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}
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public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context) {
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yield return new ModelClientValidationEqualToRule(FormatErrorMessage(metadata.GetDisplayName()), FormatPropertyForClientValidation(OtherProperty));
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}
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}
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} |