//
// System.Web.UI.WebControls.DataListItem.cs
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2005 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.Collections;
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)]
// attributes
[ToolboxItem ("")]
#if NET_2_0
public class DataListItem : WebControl, INamingContainer, IDataItemContainer {
#else
public class DataListItem : WebControl, INamingContainer {
#endif
int index;
ListItemType type;
object item;
public DataListItem (int itemIndex, ListItemType itemType)
{
index = itemIndex;
type = itemType;
}
public virtual object DataItem {
get { return item; }
set { item = value; }
}
public virtual int ItemIndex {
get { return index; }
}
public virtual ListItemType ItemType {
get { return type; }
}
protected override Style CreateControlStyle ()
{
return new TableItemStyle (ViewState);
}
// see ... "Building DataBound Templated Custom ASP.NET" on msdn
// http://msdn.microsoft.com/library/en-us/dnaspp/html/databoundtemplatedcontrols.asp
//
// This technique is used in the DataGrid, DataList, and Repeater to handle the
// Command event of Buttons, LinkButtons, and ImageButtons within the
// controls. Since the button's Command event calls RaiseBubbleEvent(), this
// percolates the event up to the button's parent.
protected override bool OnBubbleEvent (object source, EventArgs e)
{
CommandEventArgs ce = e as CommandEventArgs;
if (ce != null) {
base.RaiseBubbleEvent (this, new DataListCommandEventArgs (this, source, ce));
return true;
}
return false;
}
public virtual void RenderItem (HtmlTextWriter writer, bool extractRows, bool tableLayout)
{
bool span = (!extractRows && !tableLayout);
if (span) {
writer.RenderBeginTag (TagKey);
}
if (HasControls ()) {
if (extractRows) {
bool table = false;
foreach (Control c in Controls) {
Table t = (c as Table);
if (t != null) {
table = true;
foreach (TableRow tr in t.Rows) {
if (ControlStyleCreated && !ControlStyle.IsEmpty) {
tr.ControlStyle.MergeWith (ControlStyle);
}
tr.RenderControl (writer);
}
break; // ignore all, but the first, table
}
}
if (!table) {
// if it has controls then it must have a Table control
throw new HttpException ("No Table found in DataList template.");
// other controls are ignored (as long as a Table is there)
}
} else {
// this get rides of the extra <span>...</span> around our stuff
RenderContents (writer);
}
}
if (span) {
writer.RenderEndTag ();
}
}
protected virtual void SetItemType (ListItemType itemType)
{
type = itemType;
}
#if NET_2_0
object IDataItemContainer.DataItem {
get { return item; }
}
int IDataItemContainer.DataItemIndex {
get { return index; }
}
int IDataItemContainer.DisplayIndex {
get { return index; }
}
#endif
}
}
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