mcs/class/System.Web.Services/System.Web.Services.Description/ServiceDescriptionBaseCollection.cs

   1 // \r
   2 // System.Web.Services.Description.ServiceDescriptionBaseCollection.cs\r
   3 //\r
   4 // Author:\r
   5 //   Tim Coleman (tim@timcoleman.com)\r
   6 //\r
   7 // Copyright (C) Tim Coleman, 2002\r
   8 //\r
   9 \r
  10 using System.Collections;\r
  11 using System.Web.Services;\r
  12 \r
  13 namespace System.Web.Services.Description {\r
  14         public abstract class ServiceDescriptionBaseCollection : CollectionBase {\r
  15                 \r
  16                 #region Fields\r
  17 \r
  18                 Hashtable table = new Hashtable ();\r
  19                 object parent;\r
  20 \r
  21                 #endregion // Fields\r
  22 \r
  23                 #region Constructors\r
  24 \r
  25                 internal ServiceDescriptionBaseCollection (object parent)\r
  26                 {\r
  27                         this.parent = parent;\r
  28                 }\r
  29 \r
  30                 #endregion // Constructors\r
  31 \r
  32                 #region Properties\r
  33 \r
  34                 protected virtual IDictionary Table {\r
  35                         get { return table; }\r
  36                 }\r
  37 \r
  38                 #endregion // Properties\r
  39 \r
  40                 #region Methods\r
  41 \r
  42                 protected virtual string GetKey (object value) \r
  43                 {\r
  44                         return null; \r
  45                 }\r
  46 \r
  47                 protected override void OnClear ()\r
  48                 {\r
  49                         Table.Clear ();\r
  50                 }\r
  51 \r
  52                 protected override void OnInsertComplete (int index, object value)\r
  53                 {\r
  54                         if (GetKey (value) != null)\r
  55                                 Table [GetKey (value)] = value;\r
  56                         SetParent (value, parent);\r
  57                 }\r
  58 \r
  59                 protected override void OnRemove (int index, object value)\r
  60                 {\r
  61                         if (GetKey (value) != null)\r
  62                                 Table.Remove (GetKey (value));\r
  63                 }\r
  64 \r
  65                 protected override void OnSet (int index, object oldValue, object newValue)\r
  66                 {\r
  67                         if (GetKey (oldValue) != null) \r
  68                                 Table.Remove (GetKey (oldValue));\r
  69                         if (GetKey (newValue) != null)\r
  70                                 Table [GetKey (newValue)] = newValue;\r
  71                         SetParent (newValue, parent);\r
  72                 }\r
  73 \r
  74                 protected virtual void SetParent (object value, object parent)\r
  75                 {\r
  76                 }\r
  77                         \r
  78                 #endregion // Methods\r
  79         }\r
  80 }\r