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 using System.Collections;
  32 using System.Collections.Specialized;
  33 using System.ComponentModel;
  34 using System.Text;
  35
  36 namespace System.Web.UI {
  37
  38         [DesignerAttribute ("System.Web.UI.Design.DataSourceDesigner, " + Consts.AssemblySystem_Design,
  39                             "System.ComponentModel.Design.IDesigner")]
  40         [ControlBuilderAttribute (typeof (DataSourceControlBuilder))]
  41         [NonVisualControlAttribute]
  42         [BindableAttribute (false)]
  43         public abstract class DataSourceControl : Control, IDataSource, System.ComponentModel.IListSource {
  44
  45
  46                 protected DataSourceControl()
  47                 {
  48                 }
  49
  50                 [MonoTODO ("Not implemented")]
  51                 [EditorBrowsable (EditorBrowsableState.Never)]
  52                 public override void ApplyStyleSheetSkin (Page page)
  53                 {
  54                         throw new NotImplementedException ();
  55                 }
  56
  57                 protected override ControlCollection CreateControlCollection ()
  58                 {
  59                         return new EmptyControlCollection (this);
  60                 }
  61
  62                 [MonoTODO ("why override?")]
  63                 [EditorBrowsable (EditorBrowsableState.Never)]
  64                 public override Control FindControl (string id)
  65                 {
  66                         return base.FindControl (id);
  67                 }
  68
  69                 [EditorBrowsable (EditorBrowsableState.Never)]
  70                 public override void Focus ()
  71                 {
  72                         throw new NotSupportedException ();
  73                 }
  74
  75                 protected abstract DataSourceView GetView (string viewName);
  76
  77                 DataSourceView IDataSource.GetView (string viewName)
  78                 {
  79                         return GetView (viewName);
  80                 }
  81
  82                 protected virtual ICollection GetViewNames ()
  83                 {
  84                         return null;
  85                 }
  86
  87                 ICollection IDataSource.GetViewNames ()
  88                 {
  89                         return GetViewNames ();
  90                 }
  91
  92                 IList System.ComponentModel.IListSource.GetList ()
  93                 {
  94                         return ListSourceHelper.GetList (this);
  95                 }
  96
  97                 [EditorBrowsable (EditorBrowsableState.Never)]
  98                 public override bool HasControls ()
  99                 {
 100                         return base.HasControls ();
 101                 }
 102
 103                 protected virtual void RaiseDataSourceChangedEvent (EventArgs e)
 104                 {
 105                         EventHandler eh = Events [dataSourceChanged] as EventHandler;
 106                         if (eh != null)
 107                                 eh (this, e);
 108                 }
 109
 110                 [EditorBrowsable (EditorBrowsableState.Never)]
 111                 public override void RenderControl (HtmlTextWriter writer)
 112                 {
 113                         base.RenderControl (writer);
 114                 }
 115
 116                 [EditorBrowsable (EditorBrowsableState.Never)]
 117                 public override string ClientID {
 118                         get { return base.ClientID; }
 119                 }
 120
 121                 [EditorBrowsable (EditorBrowsableState.Never)]
 122                 public override ControlCollection Controls {
 123                         get { return base.Controls; }
 124                 }
 125
 126                 [DefaultValue (false)]
 127                 [Browsable (false)]
 128                 [EditorBrowsable (EditorBrowsableState.Never)]
 129                 public override bool EnableTheming {
 130                         get { return false; }
 131                         set { throw new NotSupportedException (); }
 132                 }
 133
 134                 [DefaultValue ("")]
 135                 [Browsable (false)]
 136                 [EditorBrowsable (EditorBrowsableState.Never)]
 137                 public override string SkinID {
 138                         get { return base.SkinID; }
 139                         set { base.SkinID = value; }
 140                 }
 141
 142                 bool System.ComponentModel.IListSource.ContainsListCollection {
 143                         get { return ListSourceHelper.ContainsListCollection (this); }
 144                 }
 145
 146                 [Browsable (false)]
 147                 [EditorBrowsable (EditorBrowsableState.Never)]
 148                 [DefaultValue (false)]
 149                 public override bool Visible {
 150                         get { return false; }
 151                         set { throw new NotSupportedException (); }
 152                 }
 153
 154                 static object dataSourceChanged = new object ();
 155                 event EventHandler System.Web.UI.IDataSource.DataSourceChanged {
 156                         add { Events.AddHandler (dataSourceChanged, value); }
 157                         remove { Events.RemoveHandler (dataSourceChanged, value); }
 158                 }
 159
 160         }
 161 }
 162