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
|
// NotifyArrayList.cs
// John Sohn (jsohn@columbus.rr.com)
//
// Copyright (c) 2002 John Sohn
//
// This file is part of Monodoc, a multilingual API documentation tool.
//
// Monodoc is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Monodoc is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Monodoc; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
using System;
using System.Collections;
namespace Mono.Doc.Core
{
/// <summary>
/// An implementation of the ArrayList class that provides
/// a mechanism to receive a notification event
/// when the elements of the array are changed
/// </summary>
public class NotifyArrayList : ArrayList, INotifyCollection
{
#region Protected Instance Fields
protected NotifyCollectionHandler handler = null;
#endregion
#region Constructors and Destructors
public NotifyArrayList() : base()
{
handler = new NotifyCollectionHandler(this);
}
public NotifyArrayList(ICollection collection)
: base(collection)
{
handler = new NotifyCollectionHandler(this);
}
public NotifyArrayList(int i) : base(i)
{
handler = new NotifyCollectionHandler(this);
}
#endregion // Constructors and Destructors
#region Public Instance Fields
/// <summary>
/// The event handler that will be called whenever
/// a change is made to the ArrayList.
/// </summary>
public event CollectionModifiedEventHandler Modified;
#endregion // Public Instance Fields
#region Public Instance Methods
/// <summary>
/// Turns off notification event calling. Notification
/// events will not be sent until EndUpdate() is called.
/// </summary>
public virtual void BeginUpdate()
{
handler.BeginUpdate();
}
/// <summary>
/// Resumes notification event calling previously
/// turned off by calling BeginUpdate().
/// </summary>
public virtual void EndUpdate()
{
handler.EndUpdate();
}
/// <summary>
/// Invokes the Modified event.
/// </summary>
public void SetModifiedEvent()
{
if (Modified != null)
{
Modified(this);
}
}
// the following overridden functions modify the contents
// of the collection
public override object this[int index]
{
set
{
base[index] = value;
handler.OnModified();
}
}
public override int Add(object value)
{
int status = base.Add(value);
handler.OnModified();
return status;
}
public override void AddRange(ICollection c)
{
base.AddRange(c);
handler.OnModified();
}
public override void Clear()
{
base.Clear();
handler.OnModified();
}
public override void Insert(int index, object value)
{
base.Insert(index, value);
handler.OnModified();
}
public override void InsertRange(int index, ICollection c) {
base.InsertRange(index, c);
handler.OnModified();
}
public override void Remove(object obj) {
base.Remove(obj);
handler.OnModified();
}
public override void RemoveAt(int index) {
base.RemoveAt(index);
handler.OnModified();
}
public override void RemoveRange(int index,int count) {
base.RemoveRange(index, count);
handler.OnModified();
}
public override void Reverse() {
base.Reverse();
handler.OnModified();
}
public override void SetRange(int index,ICollection c) {
base.SetRange(index, c);
handler.OnModified();
}
public override void Sort() {
base.Sort();
handler.OnModified();
}
#endregion // Public Instance Methods
}
}
|
