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

   1 //
   2 // System.Web.UI.ParseChildrenAttribute.cs
   3 //
   4 // Authors:
   5 //      Duncan Mak  (duncan@ximian.com)
   6 //      Gonzalo Paniagua (gonzalo@ximian.com)
   7 //
   8 // (C) 2002 Ximian, Inc. (http://www.ximian.com
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Security.Permissions;
  32
  33 namespace System.Web.UI {
  34
  35         // CAS - no InheritanceDemand here as the class is sealed
  36         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  37         // attributes
  38         [AttributeUsage (AttributeTargets.Class)]
  39         public sealed class ParseChildrenAttribute : Attribute
  40         {
  41                 bool childrenAsProperties;
  42                 string defaultProperty;
  43                 public static readonly ParseChildrenAttribute Default = new ParseChildrenAttribute ();
  44
  45 #if NET_2_0
  46                 public static readonly ParseChildrenAttribute ParseAsChildren = new ParseChildrenAttribute (false);
  47                 public static readonly ParseChildrenAttribute ParseAsProperties = new ParseChildrenAttribute (true);
  48
  49                 Type childType = typeof(System.Web.UI.Control);
  50 #endif
  51
  52                 // LAMESPEC
  53                 public ParseChildrenAttribute ()
  54                 {
  55                         childrenAsProperties = false;
  56                         defaultProperty = "";
  57                 }
  58
  59                 public ParseChildrenAttribute (bool childrenAsProperties)
  60                 {
  61                         this.childrenAsProperties = childrenAsProperties;
  62                         this.defaultProperty = "";
  63                 }
  64
  65                 public ParseChildrenAttribute (bool childrenAsProperties,
  66                                                string defaultProperty)
  67                 {
  68                         this.childrenAsProperties = childrenAsProperties;
  69                         if (childrenAsProperties)
  70                                 this.defaultProperty = defaultProperty;
  71                 }
  72 #if NET_2_0
  73                 public ParseChildrenAttribute (Type childControlType)
  74                 {
  75                         childType = childControlType;
  76                         defaultProperty = "";
  77                 }
  78 #endif
  79
  80                 public bool ChildrenAsProperties {
  81
  82                         get { return childrenAsProperties; }
  83
  84                         set { childrenAsProperties = value; }
  85                 }
  86
  87                 public string DefaultProperty {
  88                         get { return defaultProperty; }
  89
  90                         set { defaultProperty = value; }
  91                 }
  92
  93 #if NET_2_0
  94                 public Type ChildControlType {
  95                         get { return childType; }
  96                 }
  97 #endif
  98
  99                 public override bool Equals (object obj)
 100                 {
 101                         ParseChildrenAttribute o = (obj as ParseChildrenAttribute);
 102                         if (o == null)
 103                                 return false;
 104
 105                         if (childrenAsProperties == o.childrenAsProperties){
 106                                 if (childrenAsProperties == false)
 107                                         return true;
 108                                 return (defaultProperty == o.DefaultProperty);
 109                         }
 110                         return false;
 111                 }
 112
 113                 public override int GetHashCode ()
 114                 {
 115                         return base.GetHashCode ();
 116                 }
 117
 118                 public override bool IsDefaultAttribute ()
 119                 {
 120                         return Equals (Default);
 121                 }
 122         }
 123 }