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//------------------------------------------------------------------------------
// <copyright file="ObjectListItem.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Collections;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Security.Permissions;
namespace System.Web.UI.MobileControls
{
/*
* Object List Item class.
*
* Copyright (c) 2000 Microsoft Corporation
*/
/// <include file='doc\ObjectListItem.uex' path='docs/doc[@for="ObjectListItem"]/*' />
[
ToolboxItem(false)
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
public class ObjectListItem : MobileListItem
{
private String[] _fields;
private bool _dirty;
private ObjectList _owner;
internal ObjectListItem(ObjectList owner) : this(owner, null)
{
}
internal ObjectListItem(ObjectList owner, Object dataItem) : base(dataItem, null, null)
{
_owner = owner;
_fields = new String[owner.AllFields.Count];
}
private int FieldIndexFromKey(String key)
{
int index = _owner.AllFields.IndexOf (key);
if (index == -1)
{
throw new ArgumentException(
SR.GetString(SR.ObjectList_FieldNotFound, key));
}
return index;
}
/// <include file='doc\ObjectListItem.uex' path='docs/doc[@for="ObjectListItem.this"]/*' />
public String this[String key]
{
get
{
return this[FieldIndexFromKey (key)];
}
set
{
this[FieldIndexFromKey (key)] = value;
}
}
/// <include file='doc\ObjectListItem.uex' path='docs/doc[@for="ObjectListItem.this1"]/*' />
public String this[int index]
{
get
{
String s = _fields[index];
return (s != null) ? s : String.Empty;
}
set
{
_fields[index] = value;
if (IsTrackingViewState)
{
_dirty = true;
}
}
}
/// <include file='doc\ObjectListItem.uex' path='docs/doc[@for="ObjectListItem.Equals"]/*' />
public override bool Equals(Object obj)
{
ObjectListItem other = obj as ObjectListItem;
if (other == null)
{
return false;
}
if (_fields == null && other._fields == null)
{
return true;
}
else if (_fields == null || other._fields == null)
{
return false;
}
if (_fields.Length != other._fields.Length)
{
return false;
}
for (int i = 0; i < _fields.Length; i++)
{
if (this[i] != other[i])
{
return false;
}
}
if(!Value.Equals(other.Value) || !Text.Equals(other.Text))
{
return false;
}
return true;
}
/// <include file='doc\ObjectListItem.uex' path='docs/doc[@for="ObjectListItem.GetHashCode"]/*' />
public override int GetHashCode()
{
if (_fields.Length > 0)
{
return _fields[0].GetHashCode();
}
else
{
return Value.GetHashCode();
}
}
/////////////////////////////////////////////////////////////////////////
// STATE MANAGEMENT, FOR ITEM'S DATA (NON-CONTROL) STATE.
/////////////////////////////////////////////////////////////////////////
internal override Object SaveDataState()
{
Object baseState = base.SaveDataState ();
if (_dirty && _fields != null)
{
int fieldCount = _fields.Length;
Object[] itemState = new Object[fieldCount + 1];
itemState[0] = baseState;
for (int i = 0; i < fieldCount; i++)
{
itemState[i + 1] = _fields[i];
}
return itemState;
}
else if (baseState != null)
{
return new Object[1] { baseState };
}
else
{
return null;
}
}
internal override void LoadDataState(Object state)
{
if (state != null)
{
Object[] itemState = (Object[])state;
int fieldCount = itemState.Length;
base.LoadDataState (itemState[0]);
_fields = new String[fieldCount - 1];
for (int i = 1; i < fieldCount; i++)
{
_fields[i - 1] = (String)itemState[i];
}
}
}
internal override bool Dirty
{
get
{
return _dirty || base.Dirty;
}
set {
_dirty = true;
base.Dirty = value;
}
}
/////////////////////////////////////////////////////////////////////////
// EVENT BUBBLING
/////////////////////////////////////////////////////////////////////////
/// <include file='doc\ObjectListItem.uex' path='docs/doc[@for="ObjectListItem.OnBubbleEvent"]/*' />
protected override bool OnBubbleEvent(Object source, EventArgs e)
{
if (e is CommandEventArgs)
{
ObjectListCommandEventArgs args = new ObjectListCommandEventArgs(this, source, (CommandEventArgs)e);
RaiseBubbleEvent (this, args);
return true;
}
return false;
}
}
}
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