#include <algobox.h>

enum {N_DEMO1, N_DEMO2, NODE_INPUT_NUM}; // input IDs for nodes;

enum {E_DEMO1, EDGE_INPUT_NUM}; // input IDs for edges;

AlgoBox::AlgoBox(std::vector<std::string> tabnames)

{

  init(tabnames);

}

void AlgoBox::init(std::vector<std::string> tabnames)

{

  set_spacing(5);

  update_tablist(tabnames);

  //if active tab is changed, the map names in cbt/s have to be updated

  tabcbt.signal_changed().connect(sigc::mem_fun(*this, &AlgoBox::emit_tab_change));

  pack_start(tabcbt);

  build_box();

  show_all_children();

};

void AlgoBox::update_cbt(std::vector< std::string > stringlist, Gtk::ComboBoxText & cbt)

{

  std::string actname=cbt.get_active_text();

  int prev_act=-1;

  cbt.clear();

  int actptr=0;

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

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

    {

      if(actname==*emsi)

	{

	  prev_act=actptr;

	}

      cbt.append_text(*emsi);

      actptr++;

    }

  if(prev_act!=-1)

    {

      cbt.set_active(prev_act);

    }

  else if(actptr>0) //so there is item in the list

    {

      //cbt.set_active(0);

    }

}

void AlgoBox::update_tablist( std::vector< std::string > tl )

{

  update_cbt(tl, tabcbt);

  emit_tab_change();

}

void AlgoBox::update_maplist(MapStorage * ms)

{

  mapstorage=ms;

  std::vector<std::string> nml;

  std::vector<std::string> eml;

  if(mapstorage!=NULL)

    {

      mapstorage->signal_node_map_ch().connect(sigc::mem_fun(*this, &AlgoBox::nodemaplist_changed));

      mapstorage->signal_edge_map_ch().connect(sigc::mem_fun(*this, &AlgoBox::edgemaplist_changed));

      nml=mapstorage->getNodeMapList();

      eml=mapstorage->getEdgeMapList();

    }

  for(int i=0;i<(int)nodemapcbts.size();i++)

    {

      update_cbt(nml, *(nodemapcbts[i]));

    }

  for(int i=0;i<(int)edgemapcbts.size();i++)

    {

      update_cbt(eml, *(edgemapcbts[i]));

    }

}

void AlgoBox::nodemaplist_changed(std::string newmap)

{

  for(int i=0;i<(int)nodemapcbts.size();i++)

    {

      (nodemapcbts[i])->append_text(newmap);

    }

}

void AlgoBox::edgemaplist_changed(std::string newmap)

{

  for(int i=0;i<(int)edgemapcbts.size();i++)

    {

      (edgemapcbts[i])->append_text(newmap);

    }

}

void AlgoBox::run()

{

  std::cout << "Start algorithm." << std::endl;

}

void AlgoBox::build_box()

{

  pack_start(*(new Gtk::HSeparator()));

  label=new Gtk::Label("Specific part for each algorithm.");

  pack_start(*label);

  pack_start(*(new Gtk::HSeparator()));

  label=new Gtk::Label("Maps in chosen tab:");

  pack_start(*label);

  nodemapcbts.resize(NODE_INPUT_NUM);

  for(int i=0;i<(int)nodemapcbts.size();i++)

    {

      Gtk::HBox * hbox=new Gtk::HBox();

      std::ostringstream o;

      o << "NodeInput " << i+1 << ":";

      label=new Gtk::Label(o.str());

      nodemapcbts[i]=new Gtk::ComboBoxText();

      hbox->pack_start(*label);

      hbox->pack_start(*(nodemapcbts[i]));

      pack_start(*hbox);

    }

  pack_start(*(new Gtk::HSeparator()));

  edgemapcbts.resize(EDGE_INPUT_NUM);

  for(int i=0;i<(int)edgemapcbts.size();i++)

    {

      Gtk::HBox * hbox=new Gtk::HBox();

      std::ostringstream o;

      o << "EdgeInput " << i+1 << ":";

      label=new Gtk::Label(o.str());

      edgemapcbts[i]=new Gtk::ComboBoxText();

      hbox->pack_start(*label);

      hbox->pack_start(*(edgemapcbts[i]));

      pack_start(*hbox);

    }

  pack_start(*(new Gtk::HSeparator()));

}

sigc::signal<void, std::string> AlgoBox::signal_maplist_needed()

{

  return signal_maplist_need;

}

void AlgoBox::emit_tab_change()

{

  std::string active_tab=tabcbt.get_active_text();

  if(active_tab!="")

    {

      signal_maplist_need.emit(active_tab);

    }

  else

    {

      std::vector<std::string> empty_vector;

      update_maplist(NULL);

    }

}