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

   1 //
   2 // System.Web.UI.PersistChildrenAttribute.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
  32 namespace System.Web.UI {
  33
  34         [AttributeUsage (AttributeTargets.Class)]
  35         public sealed class PersistChildrenAttribute : Attribute
  36         {
  37                 bool persist;
  38
  39                 public PersistChildrenAttribute (bool persist)
  40                 {
  41                         this.persist = persist;
  42                 }
  43
  44                 public static readonly PersistChildrenAttribute Default = new PersistChildrenAttribute (true);
  45                 public static readonly PersistChildrenAttribute Yes = new PersistChildrenAttribute (true);
  46                 public static readonly PersistChildrenAttribute No = new PersistChildrenAttribute (false);
  47
  48                 public bool Persist {
  49                         get { return persist; }
  50                 }
  51
  52                 public override bool Equals (object obj)
  53                 {
  54                         if (!(obj is PersistChildrenAttribute))
  55                                 return false;
  56
  57                         return (((PersistChildrenAttribute) obj).persist == persist);
  58                 }
  59
  60                 public override int GetHashCode ()
  61                 {
  62                         return persist ? 1 : 0;
  63                 }
  64
  65                 public override bool IsDefaultAttribute ()
  66                 {
  67                         return (persist == true);
  68                 }
  69         }
  70 }
  71