mcs/class/Managed.Windows.Forms/System.Windows.Forms/ControlBindingsCollection.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
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   3 // "Software"), to deal in the Software without restriction, including
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   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2004-2005 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Jackson Harper (jackson@ximian.com)
  24
  25
  26 using System;
  27 using System.Collections;
  28 using System.ComponentModel;
  29 using System.Reflection;
  30
  31
  32 namespace System.Windows.Forms {
  33         [DefaultEvent("CollectionChanged")]
  34         [Editor("System.Drawing.Design.UITypeEditor, System.Drawing, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(System.Drawing.Design.UITypeEditor))]
  35         [TypeConverter("System.Windows.Forms.Design.ControlBindingsConverter, System.Design, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
  36         public class ControlBindingsCollection : BindingsCollection {
  37                 #region Fields
  38                 private Control control;
  39                 #endregion      // Fields
  40
  41                 #region Constructors
  42                 internal ControlBindingsCollection (Control control) {
  43                         this.control = control;
  44                 }
  45                 #endregion      // Constructors
  46
  47                 #region Public Instance Properties
  48                 public Control Control {
  49                         get {
  50                                 return control;
  51                         }
  52                 }
  53
  54                 public Binding this[string propertyName] {
  55                         get {
  56                                 foreach (Binding b in base.List) {
  57                                         if (b.PropertyName == propertyName) {
  58                                                 return b;
  59                                         }
  60                                 }
  61                                 return null;
  62                         }
  63                 }
  64                 #endregion      // Public Instance Properties
  65
  66                 #region Public Instance Methods
  67                 public new void Add (Binding binding)
  68                 {
  69                         AddCore (binding);
  70                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, binding));
  71                 }
  72
  73                 public Binding Add (string property_name, object data_source, string data_member)
  74                 {
  75                         Binding res = new Binding (property_name, data_source, data_member);
  76                         Add (res);
  77                         return res;
  78                 }
  79
  80                 public void Clear() {
  81                         base.Clear();
  82                 }
  83
  84                 public void Remove(Binding binding) {
  85                         if (binding == null) {
  86                                 throw new NullReferenceException("The binding is null");
  87                         }
  88
  89                         base.Remove(binding);
  90                 }
  91
  92                 public void RemoveAt(int index) {
  93                         if (index < 0 || index > base.List.Count) {
  94                                 throw new ArgumentOutOfRangeException("index");
  95                         }
  96
  97                         base.RemoveAt(index);
  98                 }
  99                 #endregion      // Public Instance Methods
 100
 101                 #region Protected Instance Methods
 102                 protected override void AddCore (Binding binding)
 103                 {
 104                         if (binding == null)
 105                                 throw new ArgumentNullException ("dataBinding");
 106
 107                         if (binding.Control != null && binding.Control != control)
 108                                   throw new ArgumentException ("dataBinding belongs to another BindingsCollection");
 109
 110                         binding.SetControl (control);
 111                         base.AddCore (binding);
 112                 }
 113
 114                 protected override void ClearCore() {\r
 115                         base.ClearCore ();\r
 116                 }\r
 117
 118                 protected override void RemoveCore(Binding dataBinding) {\r
 119                         if (dataBinding == null) {
 120                                 throw new ArgumentNullException ("dataBinding");
 121                         }
 122
 123                         base.RemoveCore (dataBinding);\r
 124                 }\r
 125                 #endregion      // Protected Instance Methods
 126         }
 127 }
 128