1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
namespace System.Web.Mvc {
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
public class DataAnnotationsModelValidator : ModelValidator {
public DataAnnotationsModelValidator(ModelMetadata metadata, ControllerContext context, ValidationAttribute attribute)
: base(metadata, context) {
if (attribute == null) {
throw new ArgumentNullException("attribute");
}
Attribute = attribute;
}
protected internal ValidationAttribute Attribute { get; private set; }
protected internal string ErrorMessage {
get {
return Attribute.FormatErrorMessage(Metadata.GetDisplayName());
}
}
public override bool IsRequired {
get {
return Attribute is RequiredAttribute;
}
}
internal static ModelValidator Create(ModelMetadata metadata, ControllerContext context, ValidationAttribute attribute) {
return new DataAnnotationsModelValidator(metadata, context, attribute);
}
public override IEnumerable<ModelClientValidationRule> GetClientValidationRules() {
IEnumerable<ModelClientValidationRule> results = base.GetClientValidationRules();
IClientValidatable clientValidatable = Attribute as IClientValidatable;
if (clientValidatable != null) {
results = results.Concat(clientValidatable.GetClientValidationRules(Metadata, ControllerContext));
}
return results;
}
public override IEnumerable<ModelValidationResult> Validate(object container) {
// Per the WCF RIA Services team, instance can never be null (if you have
// no parent, you pass yourself for the "instance" parameter).
ValidationContext context = new ValidationContext(container ?? Metadata.Model, null, null);
context.DisplayName = Metadata.GetDisplayName();
ValidationResult result = Attribute.GetValidationResult(Metadata.Model, context);
if (result != ValidationResult.Success) {
yield return new ModelValidationResult {
Message = result.ErrorMessage
};
}
}
}
}
|
