mcs/class/System.Drawing/System.Drawing.Design/UITypeEditor.cs

   1 //
   2 // System.Drawing.Design.UITypeEditor.cs
   3 //
   4 // Authors:
   5 //  Alan Tam Siu Lung <Tam@SiuLung.com>
   6 //  Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) 2003 Alan Tam Siu Lung <Tam@SiuLung.com>
   9 // (C) 2003 Andreas Nahr
  10 // Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
  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 using System.ComponentModel;
  33 using System.Security.Permissions;
  34 using System.Collections;
  35
  36 namespace System.Drawing.Design
  37 {
  38         [PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
  39         [PermissionSet (SecurityAction.InheritanceDemand, Unrestricted = true)]
  40         public class UITypeEditor {
  41
  42                 static UITypeEditor ()
  43                 {
  44                         Hashtable editors = new Hashtable ();
  45                         editors [typeof (Array)] = "System.ComponentModel.Design.ArrayEditor, " + Consts.AssemblySystem_Design;
  46                         editors [typeof (byte [])] = "System.ComponentModel.Design.BinaryEditor, " + Consts.AssemblySystem_Design;
  47                         editors [typeof (DateTime)] = "System.ComponentModel.Design.DateTimeEditor, " + Consts.AssemblySystem_Design;
  48                         editors [typeof (IList)] = "System.ComponentModel.Design.CollectionEditor, " + Consts.AssemblySystem_Design;
  49                         editors [typeof (ICollection)] = "System.ComponentModel.Design.CollectionEditor, " + Consts.AssemblySystem_Design;
  50                         editors [typeof (string[])] = "System.Windows.Forms.Design.StringArrayEditor, " + Consts.AssemblySystem_Design;
  51                         TypeDescriptor.AddEditorTable (typeof (UITypeEditor), editors);
  52                 }
  53
  54                 public UITypeEditor()
  55                 {
  56                 }
  57
  58                 public virtual object EditValue (ITypeDescriptorContext context,
  59                         IServiceProvider provider, object value)
  60                 {
  61                         // We already stated that we can't edit ;)
  62                         return value;
  63                 }
  64
  65                 public object EditValue (IServiceProvider provider, object value)
  66                 {
  67                         return EditValue (null, provider, value);
  68                 }
  69
  70                 public virtual UITypeEditorEditStyle GetEditStyle (ITypeDescriptorContext context)
  71                 {
  72                         return UITypeEditorEditStyle.None;
  73                 }
  74
  75                 public UITypeEditorEditStyle GetEditStyle ()
  76                 {
  77                         return GetEditStyle (null);
  78                 }
  79
  80                 public bool GetPaintValueSupported ()
  81                 {
  82                         return GetPaintValueSupported (null);
  83                 }
  84
  85                 public virtual bool GetPaintValueSupported (ITypeDescriptorContext context)
  86                 {
  87                         return false;
  88                 }
  89                 public void PaintValue (object value, Graphics canvas, Rectangle rectangle)
  90                 {
  91                         PaintValue (new PaintValueEventArgs (null, value, canvas, rectangle));
  92                 }
  93
  94                 public virtual void PaintValue (PaintValueEventArgs e)
  95                 {
  96                         // LAMESPEC: Did not find info in the docs if this should do something here.
  97                         // Usually you would expect, that this class gets inherited and this overridden,
  98                         // but on the other hand the class is not abstract. Could never observe it did paint anything
  99                         return;
 100                 }
 101 #if NET_2_0
 102                 public virtual bool IsDropDownResizable {
 103                         get { return false; }
 104                 }
 105 #endif
 106         }
 107 }