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//
// System.Web.UI.WebControls.DataKey.cs
//
// Authors:
// Lluis Sanchez Gual (lluis@novell.com)
//
// (C) 2005-2010 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;
using System.Collections;
using System.Web;
using System.Web.UI;
namespace System.Web.UI.WebControls
{
public sealed class DataKeyArray : ICollection, IEnumerable, IStateManager
{
IList keys;
bool trackViewState;
internal DataKeyArray (IList keys)
{
this.keys = keys;
}
public DataKeyArray (ArrayList keys)
{
this.keys = keys;
}
public int Count {
get { return keys.Count; }
}
public bool IsReadOnly {
get { return false; }
}
public bool IsSynchronized {
get { return false; }
}
public DataKey this [int index] {
get { return (DataKey) keys [index]; }
}
public object SyncRoot {
get { return this; }
}
public void CopyTo (DataKey[] array, int index)
{
foreach (DataKey current in this)
array [index++] = current;
}
void ICollection.CopyTo(Array array, int index)
{
foreach(object current in this)
array.SetValue(current, index++);
}
public IEnumerator GetEnumerator()
{
return keys.GetEnumerator();
}
void IStateManager.LoadViewState (object savedState)
{
if (savedState == null) return;
object[] data = (object[]) savedState;
for (int n=0; n<data.Length && n<keys.Count; n++)
((IStateManager)keys[n]).LoadViewState (data [n]);
}
object IStateManager.SaveViewState ()
{
if (keys.Count == 0) return null;
object[] data = new object [keys.Count];
for (int n=0; n<keys.Count; n++)
data [n] = ((IStateManager)keys[n]).SaveViewState ();
return data;
}
void IStateManager.TrackViewState ()
{
trackViewState = true;
foreach (IStateManager k in keys)
k.TrackViewState ();
}
bool IStateManager.IsTrackingViewState {
get { return trackViewState; }
}
}
}
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