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

//
// System.Web.UI.Adapters.ControlAdapter
//
// Author:
//  Dick Porter  <dick@ximian.com>
//
// Copyright (C) 2005-2010 Novell, Inc (http://www.novell.com)
//
// 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.Web;
using System.Web.UI;
using System.ComponentModel;

namespace System.Web.UI.Adapters{
  public abstract class ControlAdapter
  {
    internal ControlAdapter (Control c)
    {
      control = c;
    }
    
    protected ControlAdapter ()
    {
    }

    protected HttpBrowserCapabilities Browser 
    {
      get {
        Page page = Page;

        if (page != null)
          return page.Request.Browser;

        return null;
      }
    }

    internal Control control;
    
    [Browsable (false)]
    [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
    protected Control Control 
    {
      get { return control; }
    }

    [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
    [Browsable (false)]
    protected Page Page 
    {
      get {
        Control control = Control;

        if (control != null)
          return control.Page;

        return null;
      }
    }
    
    [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
    [Browsable (false)]
    protected PageAdapter PageAdapter 
    {
      get {
        Page page = Page;

        if (page != null)
          return page.PageAdapter;

        return null;
      }
    }

    protected internal virtual void BeginRender (HtmlTextWriter w)
    {
      w.BeginRender();
    }

    protected internal virtual void CreateChildControls ()
    {
      Control control = Control;
      if (control != null)
        control.CreateChildControls ();
    }

    protected internal virtual void EndRender (HtmlTextWriter w)
    {
      w.EndRender ();
    }

    protected internal virtual void LoadAdapterControlState (object state)
    {
    }

    protected internal virtual void LoadAdapterViewState (object state)
    {
    }

    protected internal virtual void OnInit (EventArgs e)
    {
      Control control = Control;

      if (control != null)
        control.OnInit(e);
    }

    protected internal virtual void OnLoad (EventArgs e)
    {
      Control control = Control;

      if (control != null)
        control.OnLoad(e);
    }

    protected internal virtual void OnPreRender (EventArgs e)
    {
      Control control = Control;

      if (control != null)
        control.OnPreRender(e);
    }

    protected internal virtual void OnUnload (EventArgs e)
    {
      Control control = Control;

      if (control != null)
        control.OnUnload(e);
    }

    protected internal virtual void Render (HtmlTextWriter w)
    {
      Control control = Control;

      if (control != null)
        control.Render (w);
    }

    protected internal virtual void RenderChildren (HtmlTextWriter w)
    {
      Control control = Control;

      if (control != null)
        control.RenderChildren (w);
    }

    protected internal virtual object SaveAdapterControlState ()
    {
      return null;
    }

    protected internal virtual object SaveAdapterViewState ()
    {
      return null;
    }
  }
}