mcs/class/System/System.ComponentModel/DesignerAttribute.cs

   1 //
   2 // System.ComponentModel.DesignerAttribute.cs
   3 //
   4 // Author:
   5 //   Alejandro Sánchez Acosta (raciel@es.gnu.org)
   6 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) Alejandro Sánchez Acosta
   9 // (C) 2003 Andreas Nahr
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 namespace System.ComponentModel
  34 {
  35
  36         /// <summary>
  37         ///   Designer Attribute for classes.
  38         /// </summary>
  39
  40         /// <remarks>
  41         /// </remarks>
  42
  43         [AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, AllowMultiple = true, Inherited = true)]
  44         public sealed class DesignerAttribute : Attribute
  45         {
  46                 private string name;
  47                 private string basetypename;
  48
  49                 public DesignerAttribute (string designerTypeName)
  50                 {
  51                         name = designerTypeName;
  52                 }
  53
  54                 public DesignerAttribute (Type designerType)
  55                         : this (designerType.AssemblyQualifiedName)
  56                 {
  57                 }
  58
  59                 public DesignerAttribute (string designerTypeName, Type designerBaseType)
  60                         : this (designerTypeName, designerBaseType.AssemblyQualifiedName)
  61                 {
  62                 }
  63
  64                 public DesignerAttribute (Type designerType, Type designerBaseType)
  65                         : this (designerType.AssemblyQualifiedName, designerBaseType.AssemblyQualifiedName)
  66                 {
  67                 }
  68
  69                 public DesignerAttribute (string designerTypeName, string designerBaseTypeName)
  70                 {
  71                         name = designerTypeName;
  72                         basetypename = designerBaseTypeName;
  73                 }
  74
  75                 public string DesignerBaseTypeName {
  76                         get {
  77                                 return basetypename;
  78                         }
  79                 }
  80
  81                 public string DesignerTypeName {
  82                         get {
  83                                 return name;
  84                         }
  85                 }
  86
  87                 public override object TypeId {
  88                         get {
  89                                 return this.GetType ().ToString() + basetypename.ToString();
  90                         }
  91                 }
  92
  93                 public override bool Equals (object obj)
  94                 {
  95                         if (!(obj is DesignerAttribute))
  96                                 return false;
  97                         return ((DesignerAttribute) obj).DesignerBaseTypeName.Equals (basetypename) &&
  98                                 ((DesignerAttribute) obj).DesignerTypeName.Equals (name);
  99                 }
 100
 101                 public override int GetHashCode ()
 102                 {
 103                         return string.Concat(name, basetypename).GetHashCode ();
 104                 }
 105         }
 106 }