DataSourceControl.cs :  » 2.6.4-mono-.net-core » System.Web » System » Web » UI » C# / CSharp Open Source

//
// System.Web.UI.DataSourceControl
//
// Authors:
//  Ben Maurer (bmaurer@users.sourceforge.net)
//
// (C) 2003 Ben Maurer
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Text;

namespace System.Web.UI{

  [DesignerAttribute ("System.Web.UI.Design.DataSourceDesigner, " + Consts.AssemblySystem_Design,
          "System.ComponentModel.Design.IDesigner")]
  [ControlBuilderAttribute (typeof (DataSourceControlBuilder))]
  [NonVisualControlAttribute]
  [BindableAttribute (false)]
  public abstract class DataSourceControl : Control, IDataSource, System.ComponentModel.IListSource {


    protected DataSourceControl()
    {
    }
    
    [MonoTODO ("Not implemented")]
    [EditorBrowsable (EditorBrowsableState.Never)]
    public override void ApplyStyleSheetSkin (Page page)
    {
      throw new NotImplementedException ();
    }

    protected override ControlCollection CreateControlCollection ()
    {
      return new EmptyControlCollection (this);
    }

    [MonoTODO ("why override?")]
    [EditorBrowsable (EditorBrowsableState.Never)]
    public override Control FindControl (string id)
    {
      return base.FindControl (id);
    }

    [EditorBrowsable (EditorBrowsableState.Never)]
    public override void Focus ()
    {
      throw new NotSupportedException ();
    }

    protected abstract DataSourceView GetView (string viewName);
    
    DataSourceView IDataSource.GetView (string viewName)
    {
      return GetView (viewName);
    }
    
    protected virtual ICollection GetViewNames ()
    {
      return null;
    }
    
    ICollection IDataSource.GetViewNames ()
    {
      return GetViewNames ();
    }

    IList System.ComponentModel.IListSource.GetList ()
    {
      return ListSourceHelper.GetList (this);
    }
    
    [EditorBrowsable (EditorBrowsableState.Never)]
    public override bool HasControls ()
    {
      return base.HasControls ();
    }

    protected virtual void RaiseDataSourceChangedEvent (EventArgs e)
    {
      EventHandler eh = Events [dataSourceChanged] as EventHandler;
      if (eh != null)
        eh (this, e);
    }

    [EditorBrowsable (EditorBrowsableState.Never)]
    public override void RenderControl (HtmlTextWriter tw)
    {
      base.RenderControl (tw);
    }

    [EditorBrowsable (EditorBrowsableState.Never)]
    public override string ClientID {
      get { return base.ClientID; }
    }

    [EditorBrowsable (EditorBrowsableState.Never)]
    public override ControlCollection Controls {
      get { return base.Controls; }
    }

    [DefaultValue (false)]
    [Browsable (false)]
    [EditorBrowsable (EditorBrowsableState.Never)]
    public override bool EnableTheming {
      get { return false; }
      set { throw new NotSupportedException (); }
    }

    [DefaultValue ("")]
    [Browsable (false)]
    [EditorBrowsable (EditorBrowsableState.Never)]
    public override string SkinID {
      get { return base.SkinID; }
      set { base.SkinID = value; }
    }

    bool System.ComponentModel.IListSource.ContainsListCollection {
      get { return ListSourceHelper.ContainsListCollection (this); }
    }

    [Browsable (false)]
    [EditorBrowsable (EditorBrowsableState.Never)]
    [DefaultValue (false)]
    public override bool Visible { 
      get { return false; }
      set { throw new NotSupportedException (); }
    }

    static object dataSourceChanged = new object ();
    event EventHandler System.Web.UI.IDataSource.DataSourceChanged {
      add { Events.AddHandler (dataSourceChanged, value); }
      remove { Events.RemoveHandler (dataSourceChanged, value); }
    }

  }
}