//
// Authors:
// Ben Maurer (bmaurer@users.sourceforge.net)
+// Sebastien Pouliot <sebastien@ximian.com>
+// Marek Habersack (mhabersack@novell.com)
//
// (C) 2003 Ben Maurer
-//
-
+// Copyright (C) 2005-2008 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
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-#if NET_2_0
using System.Collections;
-using System.Collections.Specialized;
-using System.Text;
+using System.Collections.Generic;
namespace System.Web.UI {
- public abstract class StateManagedCollection : IList, IStateManager {
-
- protected abstract object CreateKnownType (int index);
+
+ public abstract class StateManagedCollection : IList, IStateManager
+ {
+ ArrayList items = new ArrayList ();
+ bool saveEverything = false;
+
+ protected virtual object CreateKnownType (int index)
+ {
+ return null;
+ }
+
+ public void SetDirty ()
+ {
+ saveEverything = true;
+ for (int i = 0; i < items.Count; i++)
+ SetDirtyObject (items[i]);
+ }
+
protected abstract void SetDirtyObject (object o);
+
protected virtual Type [] GetKnownTypes ()
{
return null;
#region IStateManager
void IStateManager.LoadViewState (object savedState)
{
- int pos = -1;
- foreach (Pair p in (ArrayList)savedState) {
- pos ++;
-
- if (p == null)
+ if (savedState == null) {
+ foreach (IStateManager i in items)
+ i.LoadViewState (null);
+ return;
+ }
+
+ Triplet state = savedState as Triplet;
+ if (state == null)
+ throw new InvalidOperationException ("Internal error.");
+
+ List <int> indices = state.First as List <int>;
+ List <object> states = state.Second as List <object>;
+ List <object> types = state.Third as List <object>;
+ IList list = this as IList;
+ IStateManager item;
+ object t;
+
+ saveEverything = indices == null;
+ if (saveEverything) {
+ items.Clear ();
+
+ for (int i = 0; i < states.Count; i++) {
+ t = types [i];
+ if (t is Type)
+ item = (IStateManager) Activator.CreateInstance ((Type) t);
+ else if (t is int)
+ item = (IStateManager) CreateKnownType ((int) t);
+ else
+ continue;
+
+ item.TrackViewState ();
+ item.LoadViewState (states [i]);
+ list.Add (item);
+ }
+ return;
+ }
+
+ int idx;
+ for (int i = 0; i < indices.Count; i++) {
+ idx = indices [i];
+
+ if (idx < Count) {
+ item = list [idx] as IStateManager;
+ item.TrackViewState ();
+ item.LoadViewState (states [i]);
continue;
- IStateManager itm;
-
- if (p.Second is Type)
- itm = (IStateManager) Activator.CreateInstance ((Type) p.Second);
- else
- itm = (IStateManager) CreateKnownType ((int) p.Second);
-
- if (isTrackingViewState)
- itm.TrackViewState ();
+ }
- itm.LoadViewState (p.First);
-
- if (pos >= Count)
- items.Add (itm);
+ t = types [i];
+
+ if (t is Type)
+ item = (IStateManager) Activator.CreateInstance ((Type) t);
+ else if (t is int)
+ item = (IStateManager) CreateKnownType ((int) t);
else
- items [pos] = itm;
-
+ continue;
+
+ item.TrackViewState ();
+ item.LoadViewState (states [i]);
+ list.Add (item);
}
}
- object IStateManager.SaveViewState ()
+ void AddListItem <T> (ref List <T> list, T item)
{
- ArrayList saved = new ArrayList ();
- Type [] knownTypes = GetKnownTypes ();
+ if (list == null)
+ list = new List <T> ();
+
+ list.Add (item);
+ }
- foreach (IStateManager itm in items) {
- object state = itm.SaveViewState ();
- if (state == null && !saveEverything) {
- saved.Add (null);
+ object IStateManager.SaveViewState ()
+ {
+ Type[] knownTypes = GetKnownTypes ();
+ bool haveData = false, haveKnownTypes = knownTypes != null && knownTypes.Length > 0;
+ int count = items.Count;
+ IStateManager item;
+ object itemState;
+ Type type;
+ int idx;
+ List <int> indices = null;
+ List <object> states = null;
+ List <object> types = null;
+
+ for (int i = 0; i < count; i++) {
+ item = items [i] as IStateManager;
+ if (item == null)
continue;
+ item.TrackViewState ();
+ itemState = item.SaveViewState ();
+ if (saveEverything || itemState != null) {
+ haveData = true;
+ type = item.GetType ();
+ idx = haveKnownTypes ? Array.IndexOf (knownTypes, type) : -1;
+
+ if (!saveEverything)
+ AddListItem <int> (ref indices, i);
+ AddListItem <object> (ref states, itemState);
+ if (idx == -1)
+ AddListItem <object> (ref types, type);
+ else
+ AddListItem <object> (ref types, idx);
}
-
- Pair p = new Pair ();
- p.First = state;
-
- Type t = itm.GetType ();
- int idx = -1;
- if (knownTypes != null)
- idx = Array.IndexOf (knownTypes, t);
-
- if (idx != -1)
- p.Second = idx;
- else
- p.Second = t;
-
- saved.Add (p);
}
-
- return saved;
- }
+
+ if (!haveData)
+ return null;
+
+ return new Triplet (indices, states, types);
+ }
void IStateManager.TrackViewState ()
{
isTrackingViewState = true;
-
- foreach (IStateManager i in items)
- i.TrackViewState ();
+ if (items != null && items.Count > 0) {
+ IStateManager item;
+ foreach (object o in items) {
+ item = o as IStateManager;
+ if (item == null)
+ continue;
+ item.TrackViewState ();
+ }
+ }
}
bool isTrackingViewState;
items.Clear ();
this.OnClearComplete ();
- SetSaveEverything ();
- }
-
- public int IndexOf (object o)
- {
- if (o == null)
- return -1;
- return items.IndexOf (o);
- }
-
- public bool Contains (object o)
- {
- return o != null && items.Contains (o);
+ if (isTrackingViewState)
+ SetDirty ();
}
public IEnumerator GetEnumerator ()
return items.GetEnumerator ();
}
- void System.Collections.ICollection.CopyTo (Array array, int index)
+ public void CopyTo (Array array, int index)
{
items.CopyTo (array, index);
}
OnValidate(value);
if (isTrackingViewState) {
((IStateManager) value).TrackViewState ();
- SetDirtyObject (value);
+ SetDirty ();
}
OnInsert (index, value);
items.Insert (index, value);
OnInsertComplete(index, value);
-
- SetSaveEverything ();
}
void IList.Remove (object value)
if (value == null)
return;
OnValidate (value);
- ((IList)this).RemoveAt (IndexOf (value));
+ IList list = (IList)this;
+ int i = list.IndexOf (value);
+ if (i >= 0)
+ list.RemoveAt (i);
}
+
void IList.RemoveAt (int index)
{
object o = items [index];
items.RemoveAt (index);
OnRemoveComplete(index, o);
- SetSaveEverything ();
+ if (isTrackingViewState)
+ SetDirty ();
}
void IList.Clear ()
return false;
OnValidate (value);
- return Contains (value);
+ return items.Contains (value);
}
int IList.IndexOf (object value)
return -1;
OnValidate (value);
- return IndexOf (value);
+ return items.IndexOf (value);
}
public int Count {
OnValidate (value);
if (isTrackingViewState) {
((IStateManager) value).TrackViewState ();
- SetDirtyObject (value);
+ SetDirty ();
}
items [index] = value;
}
}
#endregion
-
- ArrayList items = new ArrayList ();
-
- bool saveEverything = false;
- void SetSaveEverything ()
- {
- if (isTrackingViewState)
- saveEverything = true;
- }
}
}
-#endif
projects / mono.git / blobdiff