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 //
  14 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  15 //
  16 // Permission is hereby granted, free of charge, to any person obtaining
  17 // a copy of this software and associated documentation files (the
  18 // "Software"), to deal in the Software without restriction, including
  19 // without limitation the rights to use, copy, modify, merge, publish,
  20 // distribute, sublicense, and/or sell copies of the Software, and to
  21 // permit persons to whom the Software is furnished to do so, subject to
  22 // the following conditions:
  23 //
  24 // The above copyright notice and this permission notice shall be
  25 // included in all copies or substantial portions of the Software.
  26 //
  27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  34 //
  35
  36 using System;
  37 using System.Collections;
  38 using System.ComponentModel;
  39
  40 namespace System.Data {
  41         /// <summary>
  42         /// Contains a read-only collection of DataViewSetting objects for each DataTable in a DataSet.
  43         /// </summary>
  44         [Editor]
  45         [Serializable]
  46         public class DataViewSettingCollection : ICollection, IEnumerable
  47         {
  48                 #region Fields
  49
  50                 ArrayList settingList;
  51
  52                 #endregion // Fields
  53
  54                 #region Constructors
  55
  56                 internal DataViewSettingCollection (DataViewManager manager)
  57                 {
  58                 }
  59
  60                 #endregion // Constructors
  61
  62                 #region Properties
  63
  64                 [Browsable (false)]
  65                 public virtual int Count {
  66                         get { return settingList.Count; }
  67                 }
  68
  69                 [Browsable (false)]
  70                 public bool IsReadOnly {
  71                         get { return settingList.IsReadOnly; }
  72                 }
  73
  74                 [Browsable (false)]
  75                 public bool IsSynchronized {
  76                         get { return settingList.IsSynchronized; }
  77                 }
  78
  79                 public virtual DataViewSetting this [DataTable dt] {
  80                         get {
  81                                 for (int i = 0; i < settingList.Count; i++) {
  82                                         DataViewSetting dvs = (DataViewSetting) settingList[i];
  83                                         if (dvs.Table == dt)
  84                                                 return dvs;
  85                                 }
  86                                 return null;
  87                         }
  88                         set {
  89                                 this[dt] = value;
  90                         }
  91                 }
  92
  93                 public virtual DataViewSetting this[string name] {
  94                         get {
  95                                 for (int i = 0; i < settingList.Count; i++) {
  96                                         DataViewSetting dvs = (DataViewSetting) settingList[i];
  97                                         if (dvs.Table.TableName == name)
  98                                                 return dvs;
  99                                 }
 100                                 return null;
 101                         }
 102                 }
 103
 104                 public virtual DataViewSetting this[int index] {
 105                         get { return (DataViewSetting) settingList[index]; }
 106                         set { settingList[index] = value; }
 107                 }
 108
 109                 [Browsable (false)]
 110                 public object SyncRoot {
 111                         get { return settingList.SyncRoot; }
 112                 }
 113
 114                 #endregion // Properties
 115
 116                 #region Methods
 117
 118                 public void CopyTo (Array ar, int index)
 119                 {
 120                         settingList.CopyTo (ar, index);
 121                 }
 122
 123                 public IEnumerator GetEnumerator ()
 124                 {
 125                         return settingList.GetEnumerator ();
 126                 }
 127
 128                 #endregion // Methods
 129         }
 130 }