mcs/class/System/System.ComponentModel/DerivedPropertyDescriptor.cs

   1 //
   2 // System.ComponentModel.DerivedPropertyDescriptor
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (C) 2002 Ximian, Inc (http://www.ximian.com)
   8 //
   9 using System;
  10 using System.Reflection;
  11
  12 namespace System.ComponentModel
  13 {
  14         class DerivedPropertyDescriptor : PropertyDescriptor
  15         {
  16                 bool readOnly;
  17                 Type componentType;
  18                 Type propertyType;
  19                 PropertyInfo prop;
  20
  21                 protected DerivedPropertyDescriptor (string name, Attribute [] attrs)
  22                         : base (name, attrs)
  23                 {
  24                 }
  25
  26                 public DerivedPropertyDescriptor (string name, Attribute [] attrs, int dummy)
  27                         : this (name, attrs)
  28                 {
  29                 }
  30
  31                 public void SetReadOnly (bool value)
  32                 {
  33                         readOnly = value;
  34                 }
  35
  36                 public void SetComponentType (Type type)
  37                 {
  38                         componentType = type;
  39                 }
  40
  41                 public void SetPropertyType (Type type)
  42                 {
  43                         propertyType = type;
  44                 }
  45
  46                 public override object GetValue (object component)
  47                 {
  48                         if (prop == null)
  49                                 prop = componentType.GetProperty (Name);
  50
  51                         return prop.GetValue (component, null);
  52                 }
  53
  54                 public override void SetValue(object component, object value) {
  55
  56                         if (prop == null)
  57                                 prop = componentType.GetProperty (Name);
  58
  59                         prop.SetValue (component, value, null);
  60                 }
  61
  62                 [MonoTODO]
  63                 public override void ResetValue(object component) {
  64
  65                         throw new NotImplementedException ();
  66                 }
  67
  68                 [MonoTODO]
  69                 public override bool CanResetValue(object component) {
  70
  71                         throw new NotImplementedException ();
  72                 }
  73
  74                 [MonoTODO]
  75                 public override bool ShouldSerializeValue(object component) {
  76
  77                         throw new NotImplementedException ();
  78                 }
  79
  80                 public override Type ComponentType
  81                 {
  82                         get {
  83                                 return componentType;
  84                         }
  85
  86                 }
  87
  88                 public override bool IsReadOnly
  89                 {
  90                         get {
  91                                 return readOnly;
  92
  93                         }
  94
  95                 }
  96
  97                 public override Type PropertyType
  98                 {
  99                         get {
 100                                 return propertyType;
 101                         }
 102
 103                 }
 104         }
 105 }
 106