mcs/class/System.Web/System.Web.UI.WebControls/ParameterCollection.cs

   1 //
   2 // System.Web.UI.WebControls/ParameterCollection.cs
   3 //
   4 // Author: Todd Berman <tberman@gentoo.org>
   5 //
   6 // (C) 2003 Todd Berman
   7
   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 #if NET_2_0
  30
  31 using System.Web.UI;
  32 using System.Collections;
  33 using System.Collections.Specialized;
  34
  35 namespace System.Web.UI.WebControls
  36 {
  37
  38         public class ParameterCollection : StateManagedCollection
  39         {
  40
  41                 private static Type[] _knownTypes = new Type[] {
  42                                                     typeof (ControlParameter),
  43                                                     typeof (CookieParameter),
  44                                                     typeof (FormParameter),
  45                                                     typeof (Parameter),
  46                                                     typeof (QueryStringParameter),
  47                                                     typeof (SessionParameter) };
  48
  49                 private EventHandler _parametersChanged;
  50                 private KeyedList _values;
  51
  52
  53                 public int Add (Parameter param)
  54                 {
  55                         return ((IList)this).Add (param);
  56                 }
  57
  58                 public int Add (string name, string value)
  59                 {
  60                         return ((IList)this).Add (new Parameter (name, TypeCode.Object, value));
  61                 }
  62
  63                 public int Add (string name, TypeCode type, string value)
  64                 {
  65                         return ((IList)this).Add (new Parameter (name, type, value));
  66                 }
  67
  68                 protected override object CreateKnownType (int idx)
  69                 {
  70                         switch (idx) {
  71                         case 0:
  72                                 return new ControlParameter ();
  73                                 break;
  74                         case 1:
  75                                 return new CookieParameter ();
  76                                 break;
  77                         case 2:
  78                                 return new FormParameter ();
  79                                 break;
  80                         case 3:
  81                                 return new Parameter ();
  82                                 break;
  83                         case 4:
  84                                 return new QueryStringParameter ();
  85                                 break;
  86                         case 5:
  87                                 return new SessionParameter ();
  88                                 break;
  89                         }
  90
  91                         throw new ArgumentOutOfRangeException ("index");
  92                 }
  93
  94                 protected override Type[] GetKnownTypes ()
  95                 {
  96                         return _knownTypes;
  97                 }
  98
  99                 public IOrderedDictionary GetValues (Control control)
 100                 {
 101                         if (_values == null)
 102                         {
 103                                 _values = new KeyedList ();
 104                                 foreach (Parameter param in this)
 105                                 {
 106                                         string name = param.Name;
 107                                         for (int i = 1; _values.Contains (name); i++)
 108                                         {
 109                                                 name = param.Name + i.ToString ();
 110                                         }
 111                                         _values.Add (name, param.ParameterValue);
 112                                 }
 113                         }
 114                         return _values;
 115                 }
 116
 117                 public void Insert (int idx, Parameter param)
 118                 {
 119                         ((IList)this).Insert (idx, param);
 120                 }
 121
 122                 protected override void OnClearComplete ()
 123                 {
 124                         base.OnClearComplete ();
 125                         OnParametersChanged (EventArgs.Empty);
 126                 }
 127
 128                 protected override void OnInsert (int idx, object value)
 129                 {
 130                         base.OnInsert (idx, value);
 131                         ((Parameter)value).SetOwnerCollection (this);
 132                 }
 133
 134                 protected override void OnInsertComplete (int idx, object value)
 135                 {
 136                         base.OnInsertComplete (idx, value);
 137                         OnParametersChanged (EventArgs.Empty);
 138                 }
 139
 140                 protected virtual void OnParametersChanged (EventArgs e)
 141                 {
 142                         if (_parametersChanged != null)
 143                                 _parametersChanged(this, e);
 144
 145                         _values = null;
 146                 }
 147
 148                 protected override void OnValidate (object o)
 149                 {
 150                         base.OnValidate (o);
 151
 152                         if ((o is Parameter) == false)
 153                                 throw new ArgumentException ("o is not a Parameter");
 154                 }
 155
 156                 public void Remove (Parameter param)
 157                 {
 158                         ((IList)this).Remove (param);
 159                 }
 160
 161                 public void RemoveAt (int idx)
 162                 {
 163                         ((IList)this).RemoveAt (idx);
 164                 }
 165
 166                 [MonoTODO("eh?")]
 167                 protected override void SetDirtyObject (object o)
 168                 {
 169                         throw new NotImplementedException ();
 170                 }
 171
 172                 internal void CallOnParameterChanged ()
 173                 {
 174                         OnParametersChanged (EventArgs.Empty);
 175                 }
 176
 177                 private int IndexOfString (string name)
 178                 {
 179                         for (int i = 0; i < Count; i++)
 180                         {
 181                                 if (((Parameter)((IList)this)[i]).Name == name)
 182                                         return i;
 183                         }
 184                         return -1;
 185                 }
 186
 187                 public Parameter this[int idx] {
 188                         get {
 189                                 return (Parameter) ((IList)this)[idx];
 190                         }
 191                         set {
 192                                 ((IList)this)[idx] = value;
 193                         }
 194                 }
 195
 196                 public Parameter this[string name] {
 197                         get {
 198                                 int idx = IndexOfString (name);
 199                                 if (idx == -1)
 200                                         return null;
 201                                 return ((Parameter) ((IList)this)[idx]);
 202                         }
 203                         set {
 204                                 int idx = IndexOfString (name);
 205                                 if (idx == -1) {
 206                                         Add (value);
 207                                         return;
 208                                 }
 209                                 ((IList)this)[idx] = value;
 210                         }
 211                 }
 212
 213                 public event EventHandler ParametersChanged {
 214                         add { _parametersChanged += value; }
 215                         remove { _parametersChanged -= value; }
 216                 }
 217         }
 218 }
 219
 220 #endif