class/Managed.Windows.Forms/System.Windows.Forms.Design/PropertyTab.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2004 Novell, Inc.
  21 //
  22 // Authors:     Marek Safar             (marek.safar@seznam.cz)
  23 //
  24
  25 // COMPLETE
  26
  27 using System.Drawing;
  28 using System.ComponentModel;
  29
  30 namespace System.Windows.Forms.Design
  31 {
  32         public abstract class PropertyTab: IExtenderProvider
  33         {
  34                 Bitmap bitmap;
  35                 object[] components;
  36
  37                 protected PropertyTab () {}
  38
  39                 ~PropertyTab ()
  40                 {
  41                         Dispose (false);
  42                 }
  43
  44                 public virtual Bitmap Bitmap {
  45                         get {
  46                                 if (bitmap == null) {
  47                                         Type t = base.GetType();
  48                                         bitmap = new Bitmap (t, t.Name + ".bmp");
  49                                 }
  50                                 return bitmap;
  51                         }
  52                 }
  53
  54                 public virtual object[] Components {
  55                         get { return components; }
  56                         set { components = value; }
  57                 }
  58
  59                 public virtual string HelpKeyword {
  60                         get { return TabName; }
  61                 }
  62
  63                 public abstract string TabName { get; }
  64
  65                 public virtual bool CanExtend (object extendee)
  66                 {
  67                         return true;
  68                 }
  69
  70                 public virtual void Dispose()
  71                 {
  72                         Dispose (true);
  73                         GC.SuppressFinalize (this);
  74                 }
  75
  76                 protected virtual void Dispose(bool disposing)
  77                 {
  78                         if (disposing && bitmap != null) {
  79                                 bitmap.Dispose ();
  80                                 bitmap = null;
  81                         }
  82                 }
  83
  84                 public virtual PropertyDescriptor GetDefaultProperty (object component)
  85                 {
  86                         return TypeDescriptor.GetDefaultProperty(component);
  87                 }
  88
  89                 public virtual PropertyDescriptorCollection GetProperties (object component)
  90                 {
  91                         return GetProperties (component, null);
  92                 }
  93
  94                 public abstract PropertyDescriptorCollection GetProperties (object component, Attribute[] attributes);
  95
  96                 public virtual PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context, object component, Attribute[] attributes)
  97                 {
  98                         return GetProperties (component, attributes);
  99                 }
 100         }
 101 }