/home/rex/ebltrunk/tools/libeblearngui/include/datasource_gui.h

/***************************************************************************
 *   Copyright (C) 2009 by Pierre Sermanet   *
 *   pierre.sermanet@gmail.com   *
 *   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Redistribution under a license not approved by the Open Source
 *       Initiative (http://www.opensource.org) must display the
 *       following acknowledgement in all advertising material:
 *        This product includes software developed at the Courant
 *        Institute of Mathematical Sciences (http://cims.nyu.edu).
 *     * The names of the authors may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ThE AUTHORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ***************************************************************************/

#ifndef DATASOURCE_GUI_H_
#define DATASOURCE_GUI_H_

#include "libidxgui.h"
#include "datasource.h"

using namespace std;

namespace ebl {

  template<class Tnet, class Tdata, class Tlabel>
    class labeled_datasource_gui : public scroll_box {
  protected:
    bool                scroll;
    bool                scroll_added;
    unsigned int        pos;
    int                 display_wid;
    unsigned int        _nh;
    unsigned int        _nw;
    double              _zoom;
    Tnet                _rmin;
    Tnet                _rmax;
    bool                _replaced;
    
  public:
    labeled_datasource<Tnet, Tdata, Tlabel>     *_last_ds;
    labeled_datasource<Tnet, Tdata, Tlabel>     *_ds;

    labeled_datasource_gui(bool scroll = false);
    virtual ~labeled_datasource_gui();

    virtual void display(labeled_datasource<Tnet, Tdata, Tlabel> &ds,
                         unsigned int nh, unsigned int nw, 
                         unsigned int h0 = 0, unsigned int w0 = 0, 
                         double zoom = 1.0, int wid = -1, 
                         const char *wname = NULL, bool scrolling = false,
                         Tnet rangemin = 0, Tnet rangemax = 0);

    virtual void display_pickings(labeled_datasource<Tnet, Tdata, Tlabel> &ds,
                                  unsigned int nh, unsigned int nw, 
                                  unsigned int h0 = 0, unsigned int w0 = 0, 
                                  double zoom = 1.0, int wid = -1, 
                                  const char *wname = NULL,
                                  bool scrolling = false,
                                  Tnet rangemin = 0, Tnet rangemax = 0);

    // inherited methods to implement for scrolling capabilities
    
    virtual void display_next ();
    virtual void display_previous ();
    virtual unsigned int max_pages ();
    //    virtual scroll_box0* copy();
    virtual labeled_datasource_gui* copy();
  };

  template<class Tnet, class Tdata, class Tlabel>
    class labeled_pair_datasource_gui
    : public labeled_datasource_gui<Tnet, Tdata, Tlabel> {
  protected:
    labeled_pair_datasource<Tnet, Tdata, Tlabel>        *_last_ds;
  public:
    labeled_pair_datasource<Tnet, Tdata, Tlabel>        *_ds;
    
    labeled_pair_datasource_gui(bool scroll = false);
    virtual ~labeled_pair_datasource_gui();

    virtual void display(labeled_pair_datasource<Tnet, Tdata, Tlabel> &ds,
                         unsigned int nh, unsigned int nw, 
                         unsigned int h0 = 0, unsigned int w0 = 0, 
                         double zoom = 1.0, int wid = -1, 
                         const char *wname = NULL, bool scrolling = false,
                         Tnet rangemin = 0, Tnet rangemax = 0);

    // inherited methods to implement for scrolling capabilities
    
    virtual void display_next ();
    virtual void display_previous ();
    virtual unsigned int max_pages ();
     virtual labeled_pair_datasource_gui* copy(); 
   };

} // end namespace ebl

#include "datasource_gui.hpp"

#endif /* DATASOURCE_GUI_H_ */