/* -*- C++ -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library

 *

 * Copyright (C) 2003-2006

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#include <mapselector.h>

MapSelector::MapSelector(std::vector<std::string> n_ml,

    std::vector<std::string> s_ml, std::string act,

    std::string labeltext, bool arc, bool d, MapType type) :

  def(d),

  itisarc(arc),

  set_new_map(false),

  label(labeltext),

  map_type(type),

  newbut(Gtk::Stock::NEW)

{

  update_list(n_ml, s_ml);

  if(act=="")

  {

    cbt.set_active(0);

    default_state=true;

  }

  else

  {

    cbt.set_active_text((Glib::ustring)act);

    default_state=false;

  }

  //binding signal to the actual entry

  cbt.signal_changed().connect

    (

     sigc::mem_fun((*this), &MapSelector::comboChanged),

     false

    );

  label.set_width_chars(longest_property_string_length);

  if(def)

  {

    defbut.set_label("Reset");

    defbut.signal_pressed().connect

      (

       sigc::mem_fun(*this, &MapSelector::reset)

      );

  }

  newbut.signal_pressed().connect

    (

     sigc::mem_fun(*this, &MapSelector::new_but_pressed)

    );

  add(label);

  add(cbt);

  if(def)

  {

    add(defbut);

  }

  add(newbut);

}

void MapSelector::new_but_pressed()

{

  set_new_map=true;

  signal_newmapwin.emit(itisarc);

}

void MapSelector::update_list(std::vector<std::string> n_ml,

    std::vector<std::string> s_ml)

{

  int prev_act=cbt.get_active_row_number();

  cbt.clear();

  cbt_content.clear();

  if (map_type & NUM)

  {

    std::vector< std::string >::iterator emsi=n_ml.begin();

    for(;emsi!=n_ml.end();emsi++)

    {

      cbt.append_text(*emsi);

      cbt_content.push_back(*emsi);

    }

  }

  if (map_type & STR)

  {

    std::vector< std::string >::iterator emsi=s_ml.begin();

    for(;emsi!=s_ml.end();emsi++)

    {

      cbt.append_text(*emsi);

      cbt_content.push_back(*emsi);

    }

  }

  if(def)

    {

      cbt.prepend_text("Default values");

      cbt_content.push_back("Default values");

    }

  if(prev_act!=-1)

    {

      cbt.set_active(prev_act);

    }

}

void MapSelector::comboChanged()

{

  if(cbt.get_active_row_number()!=0 || !def)

    {

      default_state=false;

      Glib::ustring mapname = cbt.get_active_text();

      if(!(mapname.empty())) //We seem to get 2 signals, one when the text is empty.

	{

	  signal_cbt.emit(mapname);

	}

    }

  else if((!default_state)&&(cbt.get_active_row_number()==0))

    {

      reset();

    }

}

void MapSelector::reset()

{

  default_state=true;

  cbt.set_active(0);

  signal_cbt.emit("");

}

Glib::ustring MapSelector::get_active_text()

{

  return cbt.get_active_text();

}

void MapSelector::set_active_text(Glib::ustring text)

{

  if(text.compare(""))

    {

      cbt.set_active_text(text);

    }

  else

    { 

      cbt.set_active_text("Default values");

    }

}

void MapSelector::append_text(Glib::ustring text, MapValue::Type type)

{

  if (type & map_type)

  {

    cbt.append_text(text);

    cbt_content.push_back(text);

    if(set_new_map)

    {

      set_active_text(text);

      set_new_map=false;

    }

  }

}

sigc::signal<void, std::string> MapSelector::signal_cbt_ch()

{

  return signal_cbt;

}

sigc::signal<void, bool> MapSelector::signal_newmapwin_needed()

{

  return signal_newmapwin;

}