2 // System.Web.UI.WebControls.DataKey.cs
5 // Lluis Sanchez Gual (lluis@novell.com)
7 // (C) 2005 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Collections;
38 namespace System.Web.UI.WebControls
40 public sealed class DataKeyArray : ICollection, IEnumerable, IStateManager
42 private ArrayList keys;
45 public DataKeyArray (ArrayList keys)
51 get { return keys.Count; }
54 public bool IsReadOnly {
58 public bool IsSynchronized {
62 public DataKey this [int index] {
63 get { return (DataKey) keys [index]; }
66 public object SyncRoot {
70 public void CopyTo (DataKey[] array, int index)
72 foreach (DataKey current in this)
73 array [index++] = current;
76 void ICollection.CopyTo(Array array, int index)
78 foreach(object current in this)
79 array.SetValue(current, index++);
82 public IEnumerator GetEnumerator()
84 return keys.GetEnumerator();
87 void IStateManager.LoadViewState (object savedState)
89 if (savedState == null) return;
90 object[] data = (object[]) savedState;
91 for (int n=0; n<data.Length && n<keys.Count; n++)
92 ((IStateManager)keys[n]).LoadViewState (data [n]);
95 object IStateManager.SaveViewState ()
97 if (keys.Count == 0) return null;
98 object[] data = new object [keys.Count];
99 for (int n=0; n<keys.Count; n++)
100 data [n] = ((IStateManager)keys[n]).SaveViewState ();
104 void IStateManager.TrackViewState ()
106 trackViewState = true;
107 foreach (IStateManager k in keys)
111 bool IStateManager.IsTrackingViewState {
112 get { return trackViewState; }