mcs/class/System.Web/System.Web.UI/DataBindingCollection.cs

   1 //
   2 // System.Web.UI.DataBindingCollection.cs
   3 //
   4 // Duncan Mak  (duncan@ximian.com)
   5 //
   6 // (C) Ximian, Inc.
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.Collections;
  32
  33 namespace System.Web.UI {
  34
  35         public sealed class DataBindingCollection : ICollection, IEnumerable
  36         {
  37                 Hashtable list;
  38                 ArrayList removed;
  39
  40                 public DataBindingCollection ()
  41                 {
  42                         list = new Hashtable ();
  43                         removed = new ArrayList ();
  44                 }
  45
  46                 public int Count {
  47                         get { return list.Count; }
  48                 }
  49
  50                 public bool IsReadOnly {
  51                         get { return list.IsReadOnly; }
  52                 }
  53
  54                 public bool IsSynchronized {
  55                         get { return list.IsSynchronized; }
  56                 }
  57
  58                 public DataBinding this [string propertyName] {
  59                         get { return list [propertyName] as DataBinding; }
  60                 }
  61
  62                 public string [] RemovedBindings {
  63                         get { return (string []) removed.ToArray (typeof (string)); }
  64                 }
  65
  66                 public object SyncRoot {
  67                         get { return list.SyncRoot; }
  68                 }
  69
  70                 public void Add (DataBinding binding)
  71                 {
  72                         list.Add (binding.PropertyName, binding);
  73                 }
  74
  75                 public void Clear ()
  76                 {
  77                         list.Clear ();
  78                 }
  79
  80                 public void CopyTo (Array array, int index)
  81                 {
  82                         list.CopyTo (array, index);
  83                 }
  84
  85                 public IEnumerator GetEnumerator ()
  86                 {
  87                         return list.GetEnumerator ();
  88                 }
  89
  90                 public void Remove (DataBinding binding)
  91                 {
  92                         string key = binding.PropertyName;
  93                         Remove (key);
  94                 }
  95
  96                 public void Remove (string propertyName)
  97                 {
  98                         removed.Add (propertyName);
  99                         list.Remove (propertyName);
 100                 }
 101
 102                 public void Remove (string propertyName,
 103                                     bool addToRemovedList)
 104                 {
 105                         if (addToRemovedList)
 106                                 removed.Add (String.Empty); // LAMESPEC
 107                         else
 108                                 removed.Add (propertyName);
 109
 110                         list.Remove (propertyName);
 111                 }
 112         }
 113 }