mcs/class/System/System.Configuration/SettingsPropertyCollection.cs

   1 //
   2 // System.Web.UI.WebControls.SettingsPropertyCollection.cs
   3 //
   4 // Authors:
   5 //      Chris Toshok (toshok@ximian.com)
   6 //
   7 // (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31
  32 namespace System.Configuration
  33 {
  34
  35         public class SettingsPropertyCollection : ICloneable, ICollection, IEnumerable
  36         {
  37                 Hashtable items;
  38                 bool isReadOnly;
  39
  40                 public SettingsPropertyCollection ()
  41                 {
  42                         items = new Hashtable();
  43                 }
  44
  45                 public void Add (SettingsProperty property)
  46                 {
  47                         if (isReadOnly)
  48                                 throw new NotSupportedException ();
  49
  50                         OnAdd (property);
  51
  52                         /* actually do the add */
  53                         items.Add (property.Name, property);
  54
  55                         OnAddComplete (property);
  56                 }
  57
  58                 public void Clear ()
  59                 {
  60                         if (isReadOnly)
  61                                 throw new NotSupportedException ();
  62
  63                         OnClear ();
  64
  65                         /* actually do the clear */
  66                         items.Clear ();
  67
  68                         OnClearComplete();
  69                 }
  70
  71                 public object Clone ()
  72                 {
  73                         SettingsPropertyCollection col = new SettingsPropertyCollection ();
  74                         col.items = (Hashtable)items.Clone ();
  75
  76                         return col;
  77                 }
  78
  79                 public void CopyTo (Array array, int index)
  80                 {
  81                         items.Values.CopyTo (array, index);
  82                 }
  83
  84                 public IEnumerator GetEnumerator ()
  85                 {
  86                         return items.Values.GetEnumerator();
  87                 }
  88
  89                 public void Remove (string name)
  90                 {
  91                         if (isReadOnly)
  92                                 throw new NotSupportedException ();
  93
  94                         SettingsProperty property = (SettingsProperty)items[name];
  95
  96                         OnRemove (property);
  97
  98                         /* actually do the remove */
  99                         items.Remove (name);
 100
 101                         OnRemoveComplete (property);
 102                 }
 103
 104                 public void SetReadOnly ()
 105                 {
 106                         isReadOnly = true;
 107                 }
 108
 109                 protected virtual void OnAdd (SettingsProperty property)
 110                 {
 111                 }
 112
 113                 protected virtual void OnAddComplete (SettingsProperty property)
 114                 {
 115                 }
 116
 117                 protected virtual void OnClear ()
 118                 {
 119                 }
 120
 121                 protected virtual void OnClearComplete ()
 122                 {
 123                 }
 124
 125                 protected virtual void OnRemove (SettingsProperty property)
 126                 {
 127                 }
 128
 129                 protected virtual void OnRemoveComplete (SettingsProperty property)
 130                 {
 131                 }
 132
 133                 public int Count {
 134                         get {
 135                                 return items.Count;
 136                         }
 137                 }
 138
 139                 public bool IsSynchronized {
 140                         get { return false; }
 141                 }
 142
 143                 public SettingsProperty this [ string name ] {
 144                         get {
 145                                 return (SettingsProperty)items [name];
 146                         }
 147                 }
 148
 149                 public object SyncRoot {
 150                         get { return this; }
 151                 }
 152         }
 153
 154 }
 155