mcs/class/Managed.Windows.Forms/System.Windows.Forms/OwnerDrawPropertyBag.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:
  23 //      Jackson Harper (jackson@ximian.com)
  24
  25 using System;
  26 using System.Drawing;
  27 using System.Runtime.Serialization;
  28
  29 namespace System.Windows.Forms {
  30
  31         [Serializable]
  32         public class OwnerDrawPropertyBag : MarshalByRefObject, ISerializable {
  33
  34                 private Color fore_color;
  35                 private Color back_color;
  36                 private Font font;
  37
  38                 internal OwnerDrawPropertyBag ()
  39                 {
  40                         fore_color = back_color = Color.Empty;
  41                 }
  42
  43                 private OwnerDrawPropertyBag (Color fore_color, Color back_color, Font font)
  44                 {
  45                         this.fore_color = fore_color;
  46                         this.back_color = back_color;
  47                         this.font = font;
  48                 }
  49
  50 #if NET_2_0
  51                 protected
  52 #else
  53                 internal
  54 #endif
  55                 OwnerDrawPropertyBag(SerializationInfo info, StreamingContext context) {
  56                         SerializationInfoEnumerator     en;
  57                         SerializationEntry              e;
  58
  59                         en = info.GetEnumerator();
  60
  61                         while (en.MoveNext()) {
  62                                 e = en.Current;
  63                                 switch(e.Name) {
  64                                         case "Font": font = (Font)e.Value; break;
  65                                         case "ForeColor": fore_color = (Color)e.Value; break;
  66                                         case "BackColor": back_color = (Color)e.Value; break;
  67                                 }
  68                         }
  69                 }
  70
  71
  72                 public Color ForeColor {
  73                         get { return fore_color; }
  74                         set { fore_color = value; }
  75                 }
  76
  77                 public Color BackColor {
  78                         get { return back_color; }
  79                         set { back_color = value; }
  80                 }
  81
  82                 public Font Font {
  83                         get { return font; }
  84                         set { font = value; }
  85                 }
  86
  87                 public virtual bool IsEmpty ()
  88                 {
  89                         return (font == null && fore_color.IsEmpty && back_color.IsEmpty);
  90                 }
  91
  92                 void ISerializable.GetObjectData (SerializationInfo si, StreamingContext context)
  93                 {
  94                         si.AddValue ("BackColor", BackColor);
  95                         si.AddValue ("ForeColor", ForeColor);
  96                         si.AddValue ("Font", Font);
  97                 }
  98
  99                 public static OwnerDrawPropertyBag Copy (OwnerDrawPropertyBag value)
 100                 {
 101                         return new OwnerDrawPropertyBag (value.ForeColor, value.BackColor, value.Font);
 102                 }
 103         }
 104 }
 105
 106