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
179
180
181
182
183
184
185
186
187
188
189
190
191
|
//
// System.Web.UI.WebControls.ButtonColumn.cs
//
// Author:
// Dick Porter <dick@ximian.com>
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// Copyright (C) 2005-2010 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.ComponentModel;
using System.Security.Permissions;
namespace System.Web.UI.WebControls
{
// CAS
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class ButtonColumn : DataGridColumn
{
string text_field;
string format;
[DefaultValue(ButtonColumnType.LinkButton)]
[WebSysDescription("The type of button contained within the column.")]
[WebCategory ("Misc")]
public virtual ButtonColumnType ButtonType {
get {
return (ButtonColumnType) ViewState.GetInt ("LinkButton",
(int) ButtonColumnType.LinkButton);
}
set { ViewState ["LinkButton"] = value; }
}
[DefaultValue("")]
[WebSysDescription("The command associated with the button.")]
[WebCategory ("Misc")]
public virtual string CommandName {
get { return ViewState.GetString ("CommandName", String.Empty); }
set { ViewState ["CommandName"] = value; }
}
[DefaultValue (false)]
[WebSysDescription("")]
[WebCategory ("Behavior")]
public virtual bool CausesValidation {
get { return ViewState.GetBool ("CausesValidation", false); }
set { ViewState ["CausesValidation"] = value; }
}
[DefaultValue("")]
[WebSysDescription("The field bound to the text property of the button.")]
[WebCategory ("Misc")]
public virtual string DataTextField {
get { return ViewState.GetString ("DataTextField", String.Empty); }
set { ViewState ["DataTextField"] = value; }
}
[DefaultValue("")]
[WebSysDescription("The formatting applied to the value bound to the Text property.")]
[WebCategory ("Misc")]
public virtual string DataTextFormatString {
get { return ViewState.GetString ("DataTextFormatString", String.Empty); }
set {
ViewState ["DataTextFormatString"] = value;
format = null;
}
}
[DefaultValue("")]
[Localizable (true)]
[WebSysDescription("The text used for the button.")]
[WebCategory ("Misc")]
public virtual string Text {
get { return ViewState.GetString ("Text", String.Empty); }
set { ViewState ["Text"] = value; }
}
[DefaultValue ("")]
[WebSysDescription("")]
[WebCategory ("Behavior")]
public virtual string ValidationGroup {
get { return ViewState.GetString ("ValidationGroup", String.Empty); }
set { ViewState ["ValidationGroup"] = value; }
}
public override void Initialize ()
{
/* No documentation for this method, so it's
* only here to keep corcompare quiet
*/
base.Initialize ();
}
public override void InitializeCell (TableCell cell, int columnIndex, ListItemType itemType)
{
base.InitializeCell (cell, columnIndex, itemType);
if (itemType != ListItemType.Header && itemType != ListItemType.Footer) {
switch (ButtonType) {
case ButtonColumnType.LinkButton:
{
LinkButton butt = new ForeColorLinkButton ();
butt.Text = Text;
butt.CommandName = CommandName;
if (!String.IsNullOrEmpty (DataTextField))
butt.DataBinding += new EventHandler (DoDataBind);
cell.Controls.Add (butt);
}
break;
case ButtonColumnType.PushButton:
{
Button butt = new Button ();
butt.Text = Text;
butt.CommandName = CommandName;
if (!String.IsNullOrEmpty (DataTextField))
butt.DataBinding += new EventHandler (DoDataBind);
cell.Controls.Add (butt);
}
break;
}
}
}
string GetValueFromItem (DataGridItem item)
{
object val = null;
if (text_field == null)
text_field = DataTextField;
if (!String.IsNullOrEmpty (text_field))
val = DataBinder.Eval (item.DataItem, text_field);
return FormatDataTextValue (val);
}
void DoDataBind (object sender, EventArgs e)
{
Control ctrl = (Control) sender;
string text = GetValueFromItem ((DataGridItem) ctrl.NamingContainer);
LinkButton lb = sender as LinkButton;
if (lb == null) {
Button b = (Button) sender;
b.Text = text;
} else
lb.Text = text;
}
protected virtual string FormatDataTextValue (object dataTextValue)
{
if (dataTextValue == null)
return String.Empty;
if (format == null)
format = DataTextFormatString;
if (String.IsNullOrEmpty (format))
return dataTextValue.ToString ();
return String.Format (format, dataTextValue);
}
}
}
|
