391 lines
12 KiB
C#
391 lines
12 KiB
C#
//------------------------------------------------------------------------------
|
|
// <copyright file="MobileListItem.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
|
|
{
|
|
/*
|
|
* List Item type - enumeration.
|
|
*
|
|
* Copyright (c) 2000 Microsoft Corporation
|
|
*/
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItemType"]/*' />
|
|
[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 enum MobileListItemType
|
|
{
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItemType.HeaderItem"]/*' />
|
|
HeaderItem,
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItemType.ListItem"]/*' />
|
|
ListItem,
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItemType.FooterItem"]/*' />
|
|
FooterItem,
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItemType.SeparatorItem"]/*' />
|
|
SeparatorItem
|
|
}
|
|
|
|
/*
|
|
* Mobile List Item class.
|
|
*
|
|
* Copyright (c) 2000 Microsoft Corporation
|
|
*/
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem"]/*' />
|
|
[
|
|
PersistName("Item"),
|
|
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 MobileListItem : TemplateContainer, IStateManager
|
|
{
|
|
private const int SELECTED = 0;
|
|
private const int MARKED = 1;
|
|
private const int TEXTISDIRTY = 2;
|
|
private const int VALUEISDIRTY = 3;
|
|
private const int SELECTIONISDIRTY = 4;
|
|
|
|
private int _index;
|
|
private MobileListItemType _itemType;
|
|
private Object _dataItem;
|
|
private String _text;
|
|
private String _value;
|
|
private BitArray _flags;
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.MobileListItem"]/*' />
|
|
public MobileListItem() : this(null, null, null)
|
|
{
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.MobileListItem1"]/*' />
|
|
public MobileListItem(String text) : this(null, text, null)
|
|
{
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.MobileListItem2"]/*' />
|
|
public MobileListItem(String text, String value) : this(null, text, value)
|
|
{
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.MobileListItem3"]/*' />
|
|
public MobileListItem(MobileListItemType itemType) : this (null, null, null)
|
|
{
|
|
_itemType = itemType;
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.MobileListItem4"]/*' />
|
|
public MobileListItem(Object dataItem, String text, String value)
|
|
{
|
|
_index = -1;
|
|
_dataItem = dataItem;
|
|
_text = text;
|
|
_value = value;
|
|
_flags = new BitArray(5);
|
|
_itemType = MobileListItemType.ListItem;
|
|
}
|
|
|
|
internal MobileListItemType ItemType
|
|
{
|
|
get
|
|
{
|
|
return _itemType;
|
|
}
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.Index"]/*' />
|
|
[
|
|
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
|
|
]
|
|
public int Index
|
|
{
|
|
get
|
|
{
|
|
return _index;
|
|
}
|
|
}
|
|
|
|
internal void SetIndex(int value)
|
|
{
|
|
_index = value;
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.operatorMobileListItem"]/*' />
|
|
public static implicit operator MobileListItem(String s)
|
|
{
|
|
return new MobileListItem(s);
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.Text"]/*' />
|
|
[
|
|
DefaultValue("")
|
|
]
|
|
public String Text
|
|
{
|
|
get
|
|
{
|
|
String s;
|
|
if (_text != null)
|
|
{
|
|
s = _text;
|
|
}
|
|
else if (_value != null)
|
|
{
|
|
s = _value;
|
|
}
|
|
else
|
|
{
|
|
s = String.Empty;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
set
|
|
{
|
|
_text = value;
|
|
if (((IStateManager)this).IsTrackingViewState)
|
|
{
|
|
_flags.Set (TEXTISDIRTY,true);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.Value"]/*' />
|
|
[
|
|
DefaultValue("")
|
|
]
|
|
public String Value
|
|
{
|
|
get
|
|
{
|
|
String s;
|
|
if (_value != null)
|
|
{
|
|
s = _value;
|
|
}
|
|
else if (_text != null)
|
|
{
|
|
s = _text;
|
|
}
|
|
else
|
|
{
|
|
s = String.Empty;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
set
|
|
{
|
|
_value = value;
|
|
if (_flags.Get (MARKED))
|
|
{
|
|
_flags.Set (VALUEISDIRTY,true);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.DataItem"]/*' />
|
|
[
|
|
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
|
|
]
|
|
public Object DataItem
|
|
{
|
|
get
|
|
{
|
|
return _dataItem;
|
|
}
|
|
set
|
|
{
|
|
_dataItem = value;
|
|
}
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.Equals"]/*' />
|
|
public override bool Equals(Object o)
|
|
{
|
|
MobileListItem other = o as MobileListItem;
|
|
if (other != null)
|
|
{
|
|
return Value.Equals(other.Value) && Text.Equals(other.Text);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.GetHashCode"]/*' />
|
|
public override int GetHashCode()
|
|
{
|
|
return Value.GetHashCode();
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.FromString"]/*' />
|
|
public static MobileListItem FromString(String s)
|
|
{
|
|
return new MobileListItem(s);
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.ToString"]/*' />
|
|
public override String ToString()
|
|
{
|
|
return Text;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
// STATE MANAGEMENT, FOR ITEM'S DATA (NON-CONTROL) STATE.
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
internal virtual Object SaveDataState()
|
|
{
|
|
String sa0 = _flags.Get(TEXTISDIRTY) ? _text : null;
|
|
String sa1 = _flags.Get(VALUEISDIRTY) ? _value : null;
|
|
|
|
if (sa0 == null && sa1 == null)
|
|
{
|
|
return null;
|
|
}
|
|
else
|
|
{
|
|
return new String[2] { sa0, sa1 };
|
|
}
|
|
}
|
|
|
|
internal virtual void LoadDataState(Object state)
|
|
{
|
|
if (state != null)
|
|
{
|
|
String[] sa = (String[])state;
|
|
if (sa[0] != null)
|
|
{
|
|
Text = sa[0];
|
|
}
|
|
if (sa[1] != null)
|
|
{
|
|
Value = sa[1];
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
protected new bool IsTrackingViewState
|
|
{
|
|
get
|
|
{
|
|
return _flags.Get (MARKED);
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
protected new void LoadViewState(Object state)
|
|
{
|
|
LoadDataState (state);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
protected new void TrackViewState()
|
|
{
|
|
_flags.Set (MARKED, true);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
protected new Object SaveViewState()
|
|
{
|
|
return SaveDataState ();
|
|
}
|
|
|
|
internal virtual bool Dirty
|
|
{
|
|
get
|
|
{
|
|
return (_flags.Get(TEXTISDIRTY) || _flags.Get(VALUEISDIRTY));
|
|
}
|
|
set
|
|
{
|
|
_flags.Set (TEXTISDIRTY, value);
|
|
_flags.Set (VALUEISDIRTY, value);
|
|
}
|
|
}
|
|
|
|
internal bool SelectionDirty
|
|
{
|
|
get
|
|
{
|
|
return _flags.Get(SELECTIONISDIRTY);
|
|
}
|
|
set
|
|
{
|
|
_flags.Set (SELECTIONISDIRTY, value);
|
|
}
|
|
}
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="ListItem.Selected"]/*' />
|
|
/// <devdoc>
|
|
/// <para>Specifies a value indicating whether the
|
|
/// item is selected.</para>
|
|
/// </devdoc>
|
|
[
|
|
DefaultValue(false)
|
|
]
|
|
public bool Selected {
|
|
get {
|
|
return _flags.Get(SELECTED);
|
|
}
|
|
set {
|
|
_flags.Set(SELECTED,value);
|
|
if (((IStateManager)this).IsTrackingViewState)
|
|
{
|
|
SelectionDirty = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
// EVENT BUBBLING
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
/// <include file='doc\MobileListItem.uex' path='docs/doc[@for="MobileListItem.OnBubbleEvent"]/*' />
|
|
protected override bool OnBubbleEvent(Object source, EventArgs e)
|
|
{
|
|
if (e is CommandEventArgs)
|
|
{
|
|
ListCommandEventArgs args = new ListCommandEventArgs(this, source, (CommandEventArgs)e);
|
|
RaiseBubbleEvent (this, args);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#region Implementation of IStateManager
|
|
/// <internalonly/>
|
|
bool IStateManager.IsTrackingViewState {
|
|
get {
|
|
return IsTrackingViewState;
|
|
}
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IStateManager.LoadViewState(object state) {
|
|
LoadViewState(state);
|
|
}
|
|
|
|
/// <internalonly/>
|
|
void IStateManager.TrackViewState() {
|
|
TrackViewState();
|
|
}
|
|
|
|
/// <internalonly/>
|
|
object IStateManager.SaveViewState() {
|
|
return SaveViewState();
|
|
}
|
|
#endregion
|
|
}
|
|
}
|