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/*
 * Copyright 2010 Inalogic® Inc.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License, as
 * published by the  Free Software Foundation; either version 2.1 or 3.0
 * of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the applicable version of the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of both the GNU Lesser General Public
 * License along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 * Authored by: Jay Taoko <jaytaoko@inalogic.com>
 *
 */


#ifndef PANEL_H
#define PANEL_H

#include "ScrollView.h"

namespace nux
{

  class Layout;

  class Panel: public ScrollView
  {
  public:
    Panel(NUX_FILE_LINE_PROTO);
    ~Panel();

    //void AddWidget(View* ic);
    void AddWidget(View *ic, int stretchfactor = 1);
    void AddWidget(std::list<View *> *ViewList);
    virtual bool SetLayout(Layout *layout);
    void clearContent();

    // Get a change to do any work on an element.
    // Here we need to position the header by hand because it is not under the control of vlayout.
    virtual void PreLayoutManagement();
    // Get a change to do any work on an element.
    // Here we need to position the header by hand because it is not under the control of vlayout.
    virtual long PostLayoutManagement(long LayoutResult);
    // Get a change to do any work on an element.
    // Here we need to position the header by hand because it is not under the control of vlayout.
    virtual void ComputeContentPosition(float offsetX, float offsetY);

  protected:
    virtual void Draw(GraphicsEngine &graphics_engine, bool force_draw);
    virtual void DrawContent(GraphicsEngine &graphics_engine, bool force_draw);

    virtual void ScrollLeft(float stepx, int mousedx);
    virtual void ScrollRight(float stepx, int mousedx);
    virtual void ScrollUp(float stepy, int mousedy);
    virtual void ScrollDown(float stepy, int mousedy);

    virtual bool AcceptKeyNavFocus();

  private:
    Layout *m_layout;
  };

}
#endif // PANEL_H