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                 protected OwnerDrawPropertyBag(SerializationInfo info, StreamingContext context) {
  51                         SerializationInfoEnumerator     en;
  52                         SerializationEntry              e;
  53
  54                         en = info.GetEnumerator();
  55
  56                         while (en.MoveNext()) {
  57                                 e = en.Current;
  58                                 switch(e.Name) {
  59                                         case "Font": font = (Font)e.Value; break;
  60                                         case "ForeColor": fore_color = (Color)e.Value; break;
  61                                         case "BackColor": back_color = (Color)e.Value; break;
  62                                 }
  63                         }
  64                 }
  65
  66
  67                 public Color ForeColor {
  68                         get { return fore_color; }
  69                         set { fore_color = value; }
  70                 }
  71
  72                 public Color BackColor {
  73                         get { return back_color; }
  74                         set { back_color = value; }
  75                 }
  76
  77                 public Font Font {
  78                         get { return font; }
  79                         set { font = value; }
  80                 }
  81
  82                 public virtual bool IsEmpty ()
  83                 {
  84                         return (font == null && fore_color.IsEmpty && back_color.IsEmpty);
  85                 }
  86
  87                 void ISerializable.GetObjectData (SerializationInfo si, StreamingContext context)
  88                 {
  89                         si.AddValue ("BackColor", BackColor);
  90                         si.AddValue ("ForeColor", ForeColor);
  91                         si.AddValue ("Font", Font);
  92                 }
  93
  94                 public static OwnerDrawPropertyBag Copy (OwnerDrawPropertyBag value)
  95                 {
  96                         return new OwnerDrawPropertyBag (value.ForeColor, value.BackColor, value.Font);
  97                 }
  98         }
  99 }
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