Org.Lwes/Config/AbstractConfigurationElementCollection.cs

   1 namespace Org.Lwes.Config
   2 {
   3         using System;
   4         using System.Collections.Generic;
   5         using System.Configuration;
   6         using System.Linq;
   7         using System.Text;
   8
   9         public abstract class AbstractConfigurationElementCollection<TElement, TKey> : ConfigurationElementCollection
  10                 where TElement : ConfigurationElement, new()
  11         {
  12                 #region Constructors
  13
  14                 protected AbstractConfigurationElementCollection()
  15                 {
  16                 }
  17
  18                 protected AbstractConfigurationElementCollection(string addElmName
  19                         , string clearElmName
  20                         , string removeElmName)
  21                 {
  22                         base.AddElementName = addElmName;
  23                         base.ClearElementName = clearElmName;
  24                         base.RemoveElementName = removeElmName;
  25                 }
  26
  27                 #endregion Constructors
  28
  29                 #region Properties
  30
  31                 public override ConfigurationElementCollectionType CollectionType
  32                 {
  33                         get { return ConfigurationElementCollectionType.AddRemoveClearMap; }
  34                 }
  35
  36                 public new int Count
  37                 {
  38                         get { return base.Count; }
  39                 }
  40
  41                 #endregion Properties
  42
  43                 #region Indexers
  44
  45                 public TElement this[int index]
  46                 {
  47                         get { return (TElement)BaseGet(index); }
  48                         set
  49                         {
  50                                 if (BaseGet(index) != null)
  51                                 {
  52                                         BaseRemoveAt(index);
  53                                 }
  54                                 BaseAdd(index, value);
  55                         }
  56                 }
  57
  58                 public TElement this[TKey key]
  59                 {
  60                         get { return (TElement)BaseGet(key); }
  61                 }
  62
  63                 #endregion Indexers
  64
  65                 #region Methods
  66
  67                 public void Add(TElement item)
  68                 {
  69                         BaseAdd(item);
  70                 }
  71
  72                 public void Clear()
  73                 {
  74                         BaseClear();
  75                 }
  76
  77                 public int IndexOf(TElement item)
  78                 {
  79                         return BaseIndexOf(item);
  80                 }
  81
  82                 public void Remove(TElement item)
  83                 {
  84                         BaseRemove(GetElementKey(item));
  85                 }
  86
  87                 public void Remove(TKey key)
  88                 {
  89                         BaseRemove(key);
  90                 }
  91
  92                 public void RemoveAt(int index)
  93                 {
  94                         BaseRemoveAt(index);
  95                 }
  96
  97                 protected override void BaseAdd(ConfigurationElement element)
  98                 {
  99                         BaseAdd(element, false);
 100                 }
 101
 102                 protected override ConfigurationElement CreateNewElement()
 103                 {
 104                         return new TElement();
 105                 }
 106
 107                 protected override object GetElementKey(ConfigurationElement element)
 108                 {
 109                         return PerformGetElementKey((TElement)element);
 110                 }
 111
 112                 protected abstract TKey PerformGetElementKey(TElement element);
 113
 114                 #endregion Methods
 115         }
 116 }