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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
//------------------------------------------------------------------------------
// <copyright file="SettingsBase.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Configuration {
using System.Collections.Specialized;
using System.Runtime.Serialization;
using System.Configuration.Provider;
using System.Collections;
using System.ComponentModel;
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public abstract class SettingsBase {
protected SettingsBase()
{
_PropertyValues = new SettingsPropertyValueCollection();
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public virtual object this[string propertyName]
{
get {
if (IsSynchronized) {
lock (this) {
return GetPropertyValueByName(propertyName);
}
} else {
return GetPropertyValueByName(propertyName);
}
}
set {
if (IsSynchronized) {
lock (this) {
SetPropertyValueByName(propertyName, value);
}
} else {
SetPropertyValueByName(propertyName, value);
}
}
}
private object GetPropertyValueByName(string propertyName)
{
if (Properties == null || _PropertyValues == null || Properties.Count == 0)
throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));
SettingsProperty pp = Properties[propertyName];
if (pp == null)
throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));
SettingsPropertyValue p = _PropertyValues[propertyName];
if (p == null)
{
GetPropertiesFromProvider(pp.Provider);
p = _PropertyValues[propertyName];
if (p == null)
throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));
}
return p.PropertyValue;
}
private void SetPropertyValueByName(string propertyName, object propertyValue)
{
if (Properties == null || _PropertyValues == null || Properties.Count == 0)
throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));
SettingsProperty pp = Properties[propertyName];
if (pp == null)
throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));
if (pp.IsReadOnly)
throw new SettingsPropertyIsReadOnlyException(SR.GetString(SR.SettingsPropertyReadOnly, propertyName));
if (propertyValue != null && !pp.PropertyType.IsInstanceOfType(propertyValue))
throw new SettingsPropertyWrongTypeException(SR.GetString(SR.SettingsPropertyWrongType, propertyName));
SettingsPropertyValue p = _PropertyValues[propertyName];
if (p == null)
{
GetPropertiesFromProvider(pp.Provider);
p = _PropertyValues[propertyName];
if (p == null)
throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName));
}
p.PropertyValue = propertyValue;
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void Initialize(
SettingsContext context,
SettingsPropertyCollection properties,
SettingsProviderCollection providers)
{
_Context = context;
_Properties = properties;
_Providers = providers;
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public virtual void Save() {
if (IsSynchronized) {
lock (this) {
SaveCore();
}
} else {
SaveCore();
}
}
private void SaveCore()
{
if (Properties == null || _PropertyValues == null || Properties.Count == 0)
return;
foreach(SettingsProvider prov in Providers) {
SettingsPropertyValueCollection ppcv = new SettingsPropertyValueCollection();
foreach (SettingsPropertyValue pp in PropertyValues)
{
if (pp.Property.Provider == prov) {
ppcv.Add(pp);
}
}
if (ppcv.Count > 0) {
prov.SetPropertyValues(Context, ppcv);
}
}
foreach (SettingsPropertyValue pp in PropertyValues)
pp.IsDirty = false;
}
virtual public SettingsPropertyCollection Properties { get { return _Properties; }}
virtual public SettingsProviderCollection Providers { get { return _Providers; }}
virtual public SettingsPropertyValueCollection PropertyValues { get { return _PropertyValues; } }
virtual public SettingsContext Context { get { return _Context; } }
private void GetPropertiesFromProvider(SettingsProvider provider)
{
SettingsPropertyCollection ppc = new SettingsPropertyCollection();
foreach (SettingsProperty pp in Properties)
{
if (pp.Provider == provider)
{
ppc.Add(pp);
}
}
if (ppc.Count > 0)
{
SettingsPropertyValueCollection ppcv = provider.GetPropertyValues(Context, ppc);
foreach (SettingsPropertyValue p in ppcv)
{
if (_PropertyValues[p.Name] == null)
_PropertyValues.Add(p);
}
}
}
public static SettingsBase Synchronized(SettingsBase settingsBase)
{
settingsBase._IsSynchronized = true;
return settingsBase;
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
private SettingsPropertyCollection _Properties = null;
private SettingsProviderCollection _Providers = null;
private SettingsPropertyValueCollection _PropertyValues = null;
private SettingsContext _Context = null;
private bool _IsSynchronized = false;
[Browsable(false)]
public bool IsSynchronized { get { return _IsSynchronized; } }
}
}
|
