/* -*- 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;

 }