/* -*- 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> ml, std::string act, std::string labeltext, bool edge, bool d):def(d),itisedge(edge),set_new_map(false)

{

  update_list(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=new Gtk::Label(labeltext);

  label->set_width_chars(longest_property_string_length);

  defbut=NULL;

  if(def)

    {

      defbut=new Gtk::Button();

      defbut->set_label("Reset");

      defbut->signal_pressed().connect

	(

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

	 );

    }

  newbut=new Gtk::Button(Gtk::Stock::NEW);

  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(itisedge);

}

void MapSelector::update_list( std::vector< std::string > ml )

{

  int prev_act=cbt.get_active_row_number();

  cbt.clear();

  cbt_content.clear();

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

  for(;emsi!=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)

{

  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;

}