mcs/class/System.Data/System.Data/DataViewSettingCollection.cs

   1 //
   2 // System.Data.DataViewSettingCollection.cs
   3 //
   4 // Authors:
   5 //   Rodrigo Moya (rodrigo@ximian.com)
   6 //   Miguel de Icaza (miguel@gnome.org)
   7 //   Tim Coleman (tim@timcoleman.com)
   8 //
   9 // (C) 2002 Ximian, Inc.  http://www.ximian.com
  10 // Copyright (C) Tim Coleman, 2002
  11 //
  12
  13 using System;
  14 using System.Collections;
  15 using System.ComponentModel;
  16
  17 namespace System.Data {
  18         /// <summary>
  19         /// Contains a read-only collection of DataViewSetting objects for each DataTable in a DataSet.
  20         /// </summary>
  21         [Editor]
  22         [Serializable]
  23         public class DataViewSettingCollection : ICollection, IEnumerable
  24         {
  25                 #region Fields
  26
  27                 ArrayList settingList;
  28
  29                 #endregion // Fields
  30
  31                 #region Constructors
  32
  33                 internal DataViewSettingCollection (DataViewManager manager)
  34                 {
  35                 }
  36
  37                 #endregion // Constructors
  38
  39                 #region Properties
  40
  41                 [Browsable (false)]
  42                 public virtual int Count {
  43                         get { return settingList.Count; }
  44                 }
  45
  46                 [Browsable (false)]
  47                 public bool IsReadOnly {
  48                         get { return settingList.IsReadOnly; }
  49                 }
  50
  51                 [Browsable (false)]
  52                 public bool IsSynchronized {
  53                         get { return settingList.IsSynchronized; }
  54                 }
  55
  56                 public virtual DataViewSetting this [DataTable dt] {
  57                         get {
  58                                 for (int i = 0; i < settingList.Count; i++) {
  59                                         DataViewSetting dvs = (DataViewSetting) settingList[i];
  60                                         if (dvs.Table == dt)
  61                                                 return dvs;
  62                                 }
  63                                 return null;
  64                         }
  65                         set {
  66                                 this[dt] = value;
  67                         }
  68                 }
  69
  70                 public virtual DataViewSetting this[string name] {
  71                         get {
  72                                 for (int i = 0; i < settingList.Count; i++) {
  73                                         DataViewSetting dvs = (DataViewSetting) settingList[i];
  74                                         if (dvs.Table.TableName == name)
  75                                                 return dvs;
  76                                 }
  77                                 return null;
  78                         }
  79                 }
  80
  81                 public virtual DataViewSetting this[int index] {
  82                         get { return (DataViewSetting) settingList[index]; }
  83                         set { settingList[index] = value; }
  84                 }
  85
  86                 [Browsable (false)]
  87                 public object SyncRoot {
  88                         get { return settingList.SyncRoot; }
  89                 }
  90
  91                 #endregion // Properties
  92
  93                 #region Methods
  94
  95                 public void CopyTo (Array ar, int index)
  96                 {
  97                         settingList.CopyTo (ar, index);
  98                 }
  99
 100                 public IEnumerator GetEnumerator ()
 101                 {
 102                         return settingList.GetEnumerator ();
 103                 }
 104
 105                 #endregion // Methods
 106         }
 107 }