mcs/class/System.Web/System.Web.UI/DataSourceControl.cs

   1 //
   2 // System.Web.UI.DataSourceControl
   3 //
   4 // Authors:
   5 //      Ben Maurer (bmaurer@users.sourceforge.net)
   6 //
   7 // (C) 2003 Ben Maurer
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 #if NET_2_0
  32 using System.Collections;
  33 using System.Collections.Specialized;
  34 using System.ComponentModel;
  35 using System.Text;
  36
  37 namespace System.Web.UI {
  38
  39         [DesignerAttribute ("System.Web.UI.Design.DataSourceDesigner, " + Consts.AssemblySystem_Design,
  40                             "System.ComponentModel.Design.IDesigner")]
  41         [ControlBuilderAttribute (typeof (DataSourceControlBuilder))]
  42         [NonVisualControlAttribute]
  43         [BindableAttribute (false)]
  44         public abstract class DataSourceControl : Control, IDataSource, System.ComponentModel.IListSource {
  45
  46
  47                 protected DataSourceControl()
  48                 {
  49                 }
  50
  51                 [MonoTODO ("Not implemented")]
  52                 [EditorBrowsable (EditorBrowsableState.Never)]
  53                 public override void ApplyStyleSheetSkin (Page page)
  54                 {
  55                         throw new NotImplementedException ();
  56                 }
  57
  58                 protected override ControlCollection CreateControlCollection ()
  59                 {
  60                         return new EmptyControlCollection (this);
  61                 }
  62
  63                 [MonoTODO ("why override?")]
  64                 [EditorBrowsable (EditorBrowsableState.Never)]
  65                 public override Control FindControl (string id)
  66                 {
  67                         return base.FindControl (id);
  68                 }
  69
  70                 [EditorBrowsable (EditorBrowsableState.Never)]
  71                 public override void Focus ()
  72                 {
  73                         throw new NotSupportedException ();
  74                 }
  75
  76                 protected abstract DataSourceView GetView (string viewName);
  77
  78                 DataSourceView IDataSource.GetView (string viewName)
  79                 {
  80                         return GetView (viewName);
  81                 }
  82
  83                 protected virtual ICollection GetViewNames ()
  84                 {
  85                         return null;
  86                 }
  87
  88                 ICollection IDataSource.GetViewNames ()
  89                 {
  90                         return GetViewNames ();
  91                 }
  92
  93                 IList System.ComponentModel.IListSource.GetList ()
  94                 {
  95                         return ListSourceHelper.GetList (this);
  96                 }
  97
  98                 [EditorBrowsable (EditorBrowsableState.Never)]
  99                 public override bool HasControls ()
 100                 {
 101                         return base.HasControls ();
 102                 }
 103
 104                 protected virtual void RaiseDataSourceChangedEvent (EventArgs e)
 105                 {
 106                         EventHandler eh = Events [dataSourceChanged] as EventHandler;
 107                         if (eh != null)
 108                                 eh (this, e);
 109                 }
 110
 111                 [EditorBrowsable (EditorBrowsableState.Never)]
 112                 public override void RenderControl (HtmlTextWriter tw)
 113                 {
 114                         base.RenderControl (tw);
 115                 }
 116
 117                 [EditorBrowsable (EditorBrowsableState.Never)]
 118                 public override string ClientID {
 119                         get { return base.ClientID; }
 120                 }
 121
 122                 [EditorBrowsable (EditorBrowsableState.Never)]
 123                 public override ControlCollection Controls {
 124                         get { return base.Controls; }
 125                 }
 126
 127                 [DefaultValue (false)]
 128                 [Browsable (false)]
 129                 [EditorBrowsable (EditorBrowsableState.Never)]
 130                 public override bool EnableTheming {
 131                         get { return false; }
 132                         set { throw new NotSupportedException (); }
 133                 }
 134
 135                 [DefaultValue ("")]
 136                 [Browsable (false)]
 137                 [EditorBrowsable (EditorBrowsableState.Never)]
 138                 public override string SkinID {
 139                         get { return base.SkinID; }
 140                         set { base.SkinID = value; }
 141                 }
 142
 143                 bool System.ComponentModel.IListSource.ContainsListCollection {
 144                         get { return ListSourceHelper.ContainsListCollection (this); }
 145                 }
 146
 147                 [Browsable (false)]
 148                 [EditorBrowsable (EditorBrowsableState.Never)]
 149                 [DefaultValue (false)]
 150                 public override bool Visible {
 151                         get { return false; }
 152                         set { throw new NotSupportedException (); }
 153                 }
 154
 155                 static object dataSourceChanged = new object ();
 156                 event EventHandler System.Web.UI.IDataSource.DataSourceChanged {
 157                         add { Events.AddHandler (dataSourceChanged, value); }
 158                         remove { Events.RemoveHandler (dataSourceChanged, value); }
 159                 }
 160
 161         }
 162 }
 163 #endif
 164