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
|
//
// System.Web.UI.WebControls.TemplatePagerField
//
// Authors:
// Marek Habersack (mhabersack@novell.com)
//
// (C) 2007-2008 Novell, Inc
//
//
// 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;
using System.ComponentModel;
using System.Security.Permissions;
using System.Web;
using System.Web.UI;
namespace System.Web.UI.WebControls
{
[AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class TemplatePagerField : DataPagerField
{
static object PagerCommandEvent = new object ();
EventHandlerList events = new EventHandlerList ();
public event EventHandler <DataPagerCommandEventArgs> PagerCommand {
add { events.AddHandler (PagerCommandEvent, value); }
remove { events.RemoveHandler (PagerCommandEvent, value); }
}
[TemplateContainerAttribute(typeof(DataPagerFieldItem), BindingDirection.TwoWay)]
[BrowsableAttribute(false)]
[PersistenceModeAttribute(PersistenceMode.InnerProperty)]
public virtual ITemplate PagerTemplate {
get;
set;
}
public TemplatePagerField ()
{
}
protected override void CopyProperties (DataPagerField newField)
{
base.CopyProperties (newField);
var field = newField as TemplatePagerField;
if (field == null)
return;
field.PagerTemplate = PagerTemplate;
}
public override void CreateDataPagers (DataPagerFieldItem container, int startRowIndex, int maximumRows, int totalRowCount, int fieldIndex)
{
ITemplate pagerTemplate = PagerTemplate;
if (pagerTemplate == null)
return;
pagerTemplate.InstantiateIn (container);
}
protected override DataPagerField CreateField ()
{
return new TemplatePagerField ();
}
public override void HandleEvent (CommandEventArgs e)
{
var args = e as DataPagerCommandEventArgs;
if (args == null)
return;
DataPager pager = DataPager;
var eventArgs = new DataPagerCommandEventArgs (this, pager.TotalRowCount, e, args.Item);
OnPagerCommand (eventArgs);
int newStartRowIndex = eventArgs.NewStartRowIndex;
if (newStartRowIndex < 0)
return;
pager.SetPageProperties (newStartRowIndex, eventArgs.NewMaximumRows, true);
}
protected virtual void OnPagerCommand (DataPagerCommandEventArgs e)
{
EventHandler <DataPagerCommandEventArgs> eh = events [PagerCommandEvent] as EventHandler <DataPagerCommandEventArgs>;
if (eh != null)
eh (this, e);
}
}
}
|
