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//------------------------------------------------------------------------------
// <copyright file="PropertyInformation.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Configuration;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Collections;
using System.Runtime.Serialization;
namespace System.Configuration {
// PropertyInformation
//
// Contains information about a property
//
public sealed class PropertyInformation {
private ConfigurationElement ThisElement = null;
private string PropertyName;
private ConfigurationProperty _Prop = null;
private const string LockAll = "*";
private ConfigurationProperty Prop {
get {
if (_Prop == null) {
_Prop = ThisElement.Properties[PropertyName];
}
return _Prop;
}
}
internal PropertyInformation(ConfigurationElement thisElement, string propertyName) {
PropertyName = propertyName;
ThisElement = thisElement;
}
public string Name {
get {
return PropertyName;
}
}
internal string ProvidedName {
get {
return Prop.ProvidedName;
}
}
public object Value {
get {
return ThisElement[PropertyName];
}
set {
ThisElement[PropertyName] = value;
}
}
// DefaultValue
//
// What is the default value for this property
//
public object DefaultValue {
get {
return Prop.DefaultValue;
}
}
// ValueOrigin
//
// Where was the property retrieved from
//
public PropertyValueOrigin ValueOrigin {
get {
if (ThisElement.Values[PropertyName] == null) {
return PropertyValueOrigin.Default;
}
if (ThisElement.Values.IsInherited(PropertyName)) {
return PropertyValueOrigin.Inherited;
}
return PropertyValueOrigin.SetHere;
}
}
// IsModified
//
// Was the property Modified
//
public bool IsModified {
get {
if (ThisElement.Values[PropertyName] == null) {
return false;
}
if (ThisElement.Values.IsModified(PropertyName)) {
return true;
}
return false;
}
}
// IsKey
//
// Is this property a key?
//
public bool IsKey {
get {
return Prop.IsKey;
}
}
// IsRequired
//
// Is this property required?
//
public bool IsRequired {
get {
return Prop.IsRequired;
}
}
// IsLocked
//
// Is this property locked?
//
public bool IsLocked {
get {
return ((ThisElement.LockedAllExceptAttributesList != null && !ThisElement.LockedAllExceptAttributesList.DefinedInParent(PropertyName)) ||
(ThisElement.LockedAttributesList != null &&
(ThisElement.LockedAttributesList.DefinedInParent(PropertyName) ||
ThisElement.LockedAttributesList.DefinedInParent(LockAll))) ||
(((ThisElement.ItemLocked & ConfigurationValueFlags.Locked) != 0) &&
((ThisElement.ItemLocked & ConfigurationValueFlags.Inherited) != 0)));
}
}
// Source
//
// What is the source file where this data came from
//
public string Source {
get {
PropertySourceInfo psi = ThisElement.Values.GetSourceInfo(PropertyName);
if (psi == null) {
psi = ThisElement.Values.GetSourceInfo(String.Empty);
}
if (psi == null) {
return String.Empty;
}
return psi.FileName;
}
}
// LineNumber
//
// What is the line number associated with the source
//
// Note:
// 1 is the first line in the file. 0 is returned when there is no
// source
//
public int LineNumber {
get {
PropertySourceInfo psi = ThisElement.Values.GetSourceInfo(PropertyName);
if (psi == null) {
psi = ThisElement.Values.GetSourceInfo(String.Empty);
}
if (psi == null) {
return 0;
}
return psi.LineNumber;
}
}
// Type
//
// What is the type for the property
//
public Type Type {
get {
return Prop.Type;
}
}
// Validator
//
public ConfigurationValidatorBase Validator {
get {
return Prop.Validator;
}
}
// Converter
//
public TypeConverter Converter {
get {
return Prop.Converter;
}
}
// Property description ( comments etc )
public string Description {
get {
return Prop.Description;
}
}
}
}
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