mcs/class/System/System.ComponentModel/DesignerCategoryAttribute.cs

   1 //
   2 // System.ComponentModel.DesignerCategoryAttribute.cs
   3 //
   4 // Authors:
   5 //   Alan Tam Siu Lung (Tam@SiuLung.com)
   6 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) 2003 Andreas Nahr
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 namespace System.ComponentModel {
  33
  34         [AttributeUsage(AttributeTargets.Class)]
  35         public sealed class DesignerCategoryAttribute : Attribute
  36         {
  37                 private string category;
  38
  39                 public static readonly DesignerCategoryAttribute Component = new DesignerCategoryAttribute ("Component");
  40                 public static readonly DesignerCategoryAttribute Form = new DesignerCategoryAttribute ("Form");
  41                 public static readonly DesignerCategoryAttribute Generic = new DesignerCategoryAttribute ("Designer");
  42                 public static readonly DesignerCategoryAttribute Default = new DesignerCategoryAttribute (string.Empty);
  43
  44                 public DesignerCategoryAttribute ()
  45                 {
  46                         this.category = string.Empty;
  47                 }
  48
  49                 public DesignerCategoryAttribute (string category)
  50                 {
  51                         this.category = category;
  52                 }
  53
  54                 public override object TypeId {
  55                         get {
  56                                 return GetType ();
  57                         }
  58                 }
  59
  60                 public string Category {
  61                         get {
  62                                 return category;
  63                         }
  64                 }
  65
  66                 public override bool Equals (object obj)
  67                 {
  68                         if (!(obj is DesignerCategoryAttribute))
  69                                 return false;
  70                         if (obj == this)
  71                                 return true;
  72                         return ((DesignerCategoryAttribute) obj).Category == category;
  73                 }
  74
  75                 public override int GetHashCode ()
  76                 {
  77                         return category.GetHashCode ();
  78                 }
  79
  80                 public override bool IsDefaultAttribute ()
  81                 {
  82                         return category == DesignerCategoryAttribute.Default.Category;
  83                 }
  84         }
  85 }