120 lines
2.9 KiB
C#
120 lines
2.9 KiB
C#
//
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// System.Web.UI.WebControls.DataKey.cs
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//
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// Authors:
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// Lluis Sanchez Gual (lluis@novell.com)
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//
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// (C) 2005-2010 Novell, Inc (http://www.novell.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.Web;
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using System.Web.UI;
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namespace System.Web.UI.WebControls
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{
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public sealed class DataKeyArray : ICollection, IEnumerable, IStateManager
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{
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IList keys;
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bool trackViewState;
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internal DataKeyArray (IList keys)
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{
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this.keys = keys;
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}
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public DataKeyArray (ArrayList keys)
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{
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this.keys = keys;
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}
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public int Count {
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get { return keys.Count; }
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}
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public bool IsReadOnly {
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get { return false; }
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}
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public bool IsSynchronized {
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get { return false; }
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}
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public DataKey this [int index] {
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get { return (DataKey) keys [index]; }
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}
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public object SyncRoot {
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get { return this; }
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}
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public void CopyTo (DataKey[] array, int index)
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{
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foreach (DataKey current in this)
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array [index++] = current;
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}
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void ICollection.CopyTo(Array array, int index)
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{
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foreach(object current in this)
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array.SetValue(current, index++);
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}
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public IEnumerator GetEnumerator()
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{
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return keys.GetEnumerator();
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}
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void IStateManager.LoadViewState (object savedState)
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{
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if (savedState == null) return;
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object[] data = (object[]) savedState;
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for (int n=0; n<data.Length && n<keys.Count; n++)
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((IStateManager)keys[n]).LoadViewState (data [n]);
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}
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object IStateManager.SaveViewState ()
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{
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if (keys.Count == 0) return null;
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object[] data = new object [keys.Count];
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for (int n=0; n<keys.Count; n++)
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data [n] = ((IStateManager)keys[n]).SaveViewState ();
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return data;
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}
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void IStateManager.TrackViewState ()
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{
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trackViewState = true;
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foreach (IStateManager k in keys)
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k.TrackViewState ();
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}
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bool IStateManager.IsTrackingViewState {
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get { return trackViewState; }
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}
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}
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}
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