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
|
//------------------------------------------------------------------------------
// <copyright file="SelectedDatesCollection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.Collections;
/// <devdoc>
/// <para>Encapsulates the collection of <see cref='System.Web.UI.WebControls.Calendar.SelectedDates'/> within a <see cref='System.Web.UI.WebControls.Calendar'/> control.</para>
/// </devdoc>
public sealed class SelectedDatesCollection : ICollection {
private ArrayList dateList;
/// <devdoc>
/// <para>Initializes a new instance of the <see cref='System.Web.UI.WebControls.SelectedDatesCollection'/> class
/// with the specified date list.</para>
/// </devdoc>
public SelectedDatesCollection(ArrayList dateList) {
this.dateList = dateList;
}
/// <devdoc>
/// <para>Gets the item count of the collection.</para>
/// </devdoc>
public int Count {
get {
return dateList.Count;
}
}
/// <devdoc>
/// <para>Gets a <see cref='System.DateTime' qualify='true'/> referenced by the specified ordinal index value in the collection.</para>
/// </devdoc>
public DateTime this[int index] {
get {
return(DateTime) dateList[index];
}
}
/// <devdoc>
/// <para>Adds the specified <see cref='System.DateTime'/> to the end of the collection.</para>
/// </devdoc>
public void Add(DateTime date) {
int index;
if (!FindIndex(date.Date, out index)) {
dateList.Insert(index, date.Date);
}
}
/// <devdoc>
/// <para>Removes all <see cref='System.DateTime'/> controls from the collection.</para>
/// </devdoc>
public void Clear() {
dateList.Clear();
}
/// <devdoc>
/// <para>Returns a value indicating whether the collection contains the specified
/// date.</para>
/// </devdoc>
public bool Contains(DateTime date) {
int index;
return FindIndex(date.Date, out index);
}
/// <devdoc>
/// </devdoc>
private bool FindIndex(DateTime date, out int index) {
int n = Count;
int Min = 0;
int Max = n;
while (Min < Max) {
index = (Min + Max ) / 2;
if (date == this[index]) {
return true;
}
if (date < this[index]) {
Max = index;
}
else {
Min = index + 1;
}
}
index = Min;
return false;
}
/// <devdoc>
/// <para>Returns an enumerator of all <see cref='System.DateTime' qualify='true'/> controls within the collection.</para>
/// </devdoc>
public IEnumerator GetEnumerator() {
return dateList.GetEnumerator();
}
/// <devdoc>
/// <para>Copies contents from the collection to a specified <see cref='System.Array' qualify='true'/> with a
/// specified starting index.</para>
/// </devdoc>
public void CopyTo(Array array, int index) {
for (IEnumerator e = this.GetEnumerator(); e.MoveNext();)
array.SetValue(e.Current, index++);
}
/// <devdoc>
/// <para>Gets the object that can be used to synchronize access to the collection. In
/// this case, it is the collection itself.</para>
/// </devdoc>
public Object SyncRoot {
get { return this;}
}
/// <devdoc>
/// <para>Gets a value indicating whether the collection is read-only.</para>
/// </devdoc>
public bool IsReadOnly {
get { return false;}
}
/// <devdoc>
/// <para>Gets a value indicating whether access to the collection is synchronized
/// (thread-safe).</para>
/// </devdoc>
public bool IsSynchronized {
get { return false;}
}
/// <devdoc>
/// <para>Removes the specified date from the collection.</para>
/// </devdoc>
public void Remove(DateTime date) {
int index;
if (FindIndex(date.Date, out index)) {
dateList.RemoveAt(index);
}
}
/// <devdoc>
/// <para>Sets the contents of the <see cref='System.Web.UI.WebControls.SelectedDatesCollection'/> to span
/// across the specified date range.</para>
/// </devdoc>
public void SelectRange(DateTime fromDate, DateTime toDate) {
dateList.Clear();
if (fromDate <= toDate) {
// The while loop below is safe that it is not attempting to add
// day beyond the last supported date because toDate can happen
// to be the last supported date.
dateList.Add(fromDate);
DateTime date = fromDate;
while (date < toDate) {
date = date.AddDays(1);
dateList.Add(date);
}
}
}
}
}
|
