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//------------------------------------------------------------------------------
// <copyright file="VerificationAttribute.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI {
using System;
using System.ComponentModel;
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property, AllowMultiple=true)]
public sealed class VerificationAttribute : Attribute {
private string _guideline; // "WCAG 1.1", "ADA508"
private string _checkpoint; //10.1: in rule and used by checker
private VerificationReportLevel _reportLevel;//VerificationReportLevel.Error| Warning| Guideline
private int _priority; //1,2,3,4
private string _message; //"something is in error"
private VerificationRule _rule; //VerificationRule.Required | Prohibited
private string _conditionalProperty; //"foo"
private VerificationConditionalOperator _conditionalOperator; //VerificationConditionalOperator.Equals | NotEquals
private string _conditionalValue; //eg. String.Empty
private string _guidelineUrl;
/* minimal constructor
* implies VerificationRule.Equals
* ConditionalProperty = String.Empty
* VerificationConditionalOperator.Equals
* ConditionalValue = String.Empty
* GuidelineUrl = String.Empty
*/
public VerificationAttribute (
string guideline,
string checkpoint,
VerificationReportLevel reportLevel,
int priority,
string message) :
this(guideline,
checkpoint,
reportLevel,
priority,
message,
VerificationRule.Required, /*VerificationRule*/
String.Empty, /*ConditionalProperty*/
VerificationConditionalOperator.Equals,
String.Empty, /*ConditionalValue*/
String.Empty /*GuidelineUrl*/) {
}
/* constructor that implies
* ConditionalProperty = String.Empty
* VerificationConditionalOperator.Equals
* ConditionalValue = String.Empty
* GuidelineUrl = String.Empty
*/
/*
public VerificationAttribute (
string guideline,
string checkpoint,
VerificationReportLevel reportLevel,
int priority,
string message,
VerificationRule rule) :
this(guideline,
checkpoint,
reportLevel,
priority,
message,
rule,
String.Empty, //ConditionalProperty
VerificationConditionalOperator.Equals,
String.Empty, //ConditionalValue
String.Empty) { //GuidelineUrl
}
*/
/*specifying just a ConditionalProperty implies:
* VerificationConditionalOperator.NotEquals
* ConditionalValue = String.Empty
* GuidelineUrl = String.Empty
*/
public VerificationAttribute (
string guideline,
string checkpoint,
VerificationReportLevel reportLevel,
int priority,
string message,
VerificationRule rule,
string conditionalProperty) :
this(guideline,
checkpoint,
reportLevel,
priority,
message,
rule,
conditionalProperty,
VerificationConditionalOperator.NotEquals,
String.Empty, /*ConditionalValue*/
String.Empty /*GuidelineUrl*/) {
}
/*implies GuidelineUrl = String.Empty */
internal VerificationAttribute (
string guideline,
string checkpoint,
VerificationReportLevel reportLevel,
int priority,
string message,
VerificationRule rule,
string conditionalProperty,
VerificationConditionalOperator conditionalOperator,
string conditionalValue) :
this(guideline,
checkpoint,
reportLevel,
priority,
message,
rule,
conditionalProperty,
conditionalOperator,
conditionalValue,
String.Empty /*GuidelineUrl*/) {
}
public VerificationAttribute(
string guideline,
string checkpoint,
VerificationReportLevel reportLevel,
int priority,
string message,
VerificationRule rule,
string conditionalProperty,
VerificationConditionalOperator conditionalOperator,
string conditionalValue,
string guidelineUrl) {
_guideline = guideline;
_checkpoint = checkpoint;
_reportLevel = reportLevel;
_priority = priority;
_message = message;
_rule = rule;
_conditionalProperty = conditionalProperty;
_conditionalOperator = conditionalOperator;
_conditionalValue = conditionalValue;
_guidelineUrl = guidelineUrl;
}
private VerificationAttribute() {
}
//WCAG 1.1, ADA508, etc.
public string Guideline {
get {
return _guideline;
}
}
//10.1, 12.4, etc.
public string Checkpoint {
get {
return _checkpoint;
}
}
//VerificationReportLevel.Error | Warning | Guideline
public VerificationReportLevel VerificationReportLevel {
get {
return _reportLevel;
}
}
//1, 2, 3, 4, etc.
public int Priority {
get {
return _priority;
}
}
//message to use if verification rule is true
public string Message {
get {
return _message;
}
}
//VerificationRule.Required | Prohibited
public VerificationRule VerificationRule {
get {
return _rule;
}
}
//name of other control property to condition the assertion
//used as lhs of conditional expression
public string ConditionalProperty {
get {
return _conditionalProperty;
}
}
//VerificationConditionalOperator.Equals | NotEquals
//operator to apply to condition statement
public VerificationConditionalOperator VerificationConditionalOperator {
get {
return _conditionalOperator;
}
}
//value to use as rhs in conditional expression
public string ConditionalValue {
get {
return _conditionalValue;
}
}
public string GuidelineUrl {
get {
return _guidelineUrl;
}
}
}
public enum VerificationRule {
Required,
Prohibited,
NotEmptyString
}
public enum VerificationReportLevel {
Error,
Warning,
Guideline
}
public enum VerificationConditionalOperator {
Equals,
NotEquals
}
}
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