class/System/System.ComponentModel/ComplexBindingPropertiesAttribute.cs

   1 //
   2 // Permission is hereby granted, free of charge, to any person obtaining
   3 // a copy of this software and associated documentation files (the
   4 // "Software"), to deal in the Software without restriction, including
   5 // without limitation the rights to use, copy, modify, merge, publish,
   6 // distribute, sublicense, and/or sell copies of the Software, and to
   7 // permit persons to whom the Software is furnished to do so, subject to
   8 // the following conditions:
   9 //
  10 // The above copyright notice and this permission notice shall be
  11 // included in all copies or substantial portions of the Software.
  12 //
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  15 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  17 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  18 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  19 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 //
  21
  22 //
  23 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
  24 //
  25
  26 #if NET_2_0
  27
  28 namespace System.ComponentModel
  29 {
  30         [AttributeUsage (AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
  31         public sealed class ComplexBindingPropertiesAttribute : Attribute
  32         {
  33                 string data_source;
  34                 string data_member;
  35
  36                 public static readonly ComplexBindingPropertiesAttribute Default = new ComplexBindingPropertiesAttribute ();
  37
  38                 public ComplexBindingPropertiesAttribute (string dataSource, string dataMember)
  39                 {
  40                         data_source = dataSource;
  41                         data_member = dataMember;
  42                 }
  43
  44                 public ComplexBindingPropertiesAttribute (string dataSource)
  45                 {
  46                         data_source = dataSource;
  47                 }
  48
  49                 public ComplexBindingPropertiesAttribute ()
  50                 {
  51                 }
  52
  53                 public string DataMember {
  54                         get { return data_member; }
  55                 }
  56
  57                 public string DataSource {
  58                         get { return data_source; }
  59                 }
  60
  61                 public override bool Equals (object obj)
  62                 {
  63                         ComplexBindingPropertiesAttribute a = obj as ComplexBindingPropertiesAttribute;
  64                         if (a == null)
  65                                 return false;
  66
  67                         return a.DataMember == data_member && a.DataSource == data_source;
  68                 }
  69
  70                 public override int GetHashCode ()
  71                 {
  72                         int hc = string.Concat (data_source, data_member).GetHashCode ();
  73                         if (hc == 0)
  74                                 return base.GetHashCode ();
  75                         return hc;
  76                 }
  77         }
  78 }
  79
  80
  81 #endif