Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / MobileListItem.cs / 1305376 / MobileListItem.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- 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 */ ///[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 { /// HeaderItem, /// ListItem, /// FooterItem, /// SeparatorItem } /* * Mobile List Item class. * * Copyright (c) 2000 Microsoft Corporation */ /// [ 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; /// public MobileListItem() : this(null, null, null) { } /// public MobileListItem(String text) : this(null, text, null) { } /// public MobileListItem(String text, String value) : this(null, text, value) { } /// public MobileListItem(MobileListItemType itemType) : this (null, null, null) { _itemType = itemType; } /// 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; } } /// [ DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public int Index { get { return _index; } } internal void SetIndex(int value) { _index = value; } /// public static implicit operator MobileListItem(String s) { return new MobileListItem(s); } /// [ 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); } } } /// [ 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); } } } /// [ DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), ] public Object DataItem { get { return _dataItem; } set { _dataItem = value; } } /// 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; } /// public override int GetHashCode() { return Value.GetHashCode(); } /// public static MobileListItem FromString(String s) { return new MobileListItem(s); } /// 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]; } } } /// protected new bool IsTrackingViewState { get { return _flags.Get (MARKED); } } /// protected new void LoadViewState(Object state) { LoadDataState (state); } /// protected new void TrackViewState() { _flags.Set (MARKED, true); } /// 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); } } /// /// /// [ DefaultValue(false) ] public bool Selected { get { return _flags.Get(SELECTED); } set { _flags.Set(SELECTED,value); if (((IStateManager)this).IsTrackingViewState) { SelectionDirty = true; } } } ///////////////////////////////////////////////////////////////////////// // EVENT BUBBLING ///////////////////////////////////////////////////////////////////////// ///Specifies a value indicating whether the /// item is selected. ///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 /// bool IStateManager.IsTrackingViewState { get { return IsTrackingViewState; } } /// void IStateManager.LoadViewState(object state) { LoadViewState(state); } /// void IStateManager.TrackViewState() { TrackViewState(); } /// object IStateManager.SaveViewState() { return SaveViewState(); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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