#include <nbtab.h>

NoteBookTab::NoteBookTab():mapwinexists(false)

{

  Gtk::ScrolledWindow *pScrolledWindow = manage(new Gtk::ScrolledWindow);

  gd_canvas=new GraphDisplayerCanvas(*this);

  pScrolledWindow->add(*gd_canvas);

  add(*pScrolledWindow);

  //connecting signals - controller character

  mapstorage.signal_prop_ch().connect(sigc::mem_fun(*gd_canvas, &GraphDisplayerCanvas::propertyChange));

  mapstorage.signal_node_map_ch().connect(sigc::mem_fun(*this, &NoteBookTab::registerNewNodeMap));

  mapstorage.signal_edge_map_ch().connect(sigc::mem_fun(*this, &NoteBookTab::registerNewEdgeMap));

  show_all_children();

  show();

}

void NoteBookTab::readFile(const std::string &file)

{

  mapstorage.readFromFile(file);

  mapstorage.file_name = file;

  mapstorage.modified = false;

  gd_canvas->drawGraph();

  if(mapwinexists)

    {

      mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());

    }

  signal_title.emit(Glib::filename_display_basename(file));

}

void NoteBookTab::newFile()

{

  if (mapstorage.modified)

  {

    Gtk::MessageDialog mdialog("<b>Save changes before closing?</b>", true,

        Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);

    mdialog.add_button("Close file _without Saving", Gtk::RESPONSE_REJECT);

    mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);

    mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);

    switch (mdialog.run())

    {

      case Gtk::RESPONSE_CANCEL:

        return;

      case Gtk::RESPONSE_REJECT:

        break;

      case Gtk::RESPONSE_ACCEPT:

        saveFile();

        break;

    }

  }

  gd_canvas->clear();

  mapstorage.clear();

  if(mapwinexists)

    {

      mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());

    }

  signal_title.emit("unsaved file");

}

void NoteBookTab::openFile()

{

  if (mapstorage.modified)

  {

    Gtk::MessageDialog mdialog("<b>Save changes before closing?</b>", true, 

        Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);

    mdialog.add_button("Close file _without Saving", Gtk::RESPONSE_REJECT);

    mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);

    mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);

    switch (mdialog.run())

    {

      case Gtk::RESPONSE_CANCEL:

        return;

      case Gtk::RESPONSE_REJECT:

        break;

      case Gtk::RESPONSE_ACCEPT:

        saveFile();

        break;

    }

  }

  Gtk::FileChooserDialog fcdialog("Open File");

  fcdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);

  fcdialog.add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);

  if (fcdialog.run() == Gtk::RESPONSE_ACCEPT)

  {

    gd_canvas->clear();

    mapstorage.clear();

    Glib::ustring filename = fcdialog.get_filename();

    if (!mapstorage.readFromFile(filename))

    {

      mapstorage.file_name = filename;

      mapstorage.modified = false;

      gd_canvas->drawGraph();

      if(mapwinexists)

	{

	  mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());

	}

      signal_title.emit(Glib::filename_display_basename(filename));

    }

  }

}

void NoteBookTab::saveFile()

{

  if (mapstorage.file_name == "") {

    saveFileAs();

  }

  else

  {

    mapstorage.writeToFile(mapstorage.file_name);

    mapstorage.modified = false;

    signal_title.emit(Glib::filename_display_basename(mapstorage.file_name));

  }

}

void NoteBookTab::saveFileAs()

{

  Gtk::FileChooserDialog fcdialog("Save File", Gtk::FILE_CHOOSER_ACTION_SAVE);

  fcdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);

  fcdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);

  if (fcdialog.run() == Gtk::RESPONSE_ACCEPT)

  {

    Glib::ustring filename = fcdialog.get_filename();

    mapstorage.file_name = filename;

    mapstorage.writeToFile(filename);

    mapstorage.modified = false;

    signal_title.emit(Glib::filename_display_basename(filename));

  }

}

void NoteBookTab::close()

{

  if (mapstorage.modified)

  {

    Gtk::MessageDialog mdialog("<b>Save changes before closing?</b>", true,

        Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);

    mdialog.add_button("Close _without Saving", Gtk::RESPONSE_REJECT);

    mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);

    mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);

    switch (mdialog.run())

    {

      case Gtk::RESPONSE_CANCEL:

        return;

      case Gtk::RESPONSE_REJECT:

        break;

      case Gtk::RESPONSE_ACCEPT:

        saveFile();

        break;

    }

  }

  gd_canvas->clear();

  mapstorage.clear();

  if(mapwinexists)

    {

      mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());

    }

  signal_title.emit("unsaved file");

}

void NoteBookTab::propertyChange(bool itisedge, int prop, std::string mapname)

{

  mapstorage.changeActiveMap(itisedge, prop, mapname);

}

sigc::signal<void, NoteBookTab *, bool> NoteBookTab::signal_newmap_needed()

{

  return signal_newmap;

}

void NoteBookTab::popupNewMapWin(bool itisedge)

{

  signal_newmap.emit(this, itisedge);

}

std::string NoteBookTab::getActiveEdgeMap(int prop)

{

  return mapstorage.getActiveEdgeMap(prop);

}

std::string NoteBookTab::getActiveNodeMap(int prop)

{

  return mapstorage.getActiveNodeMap(prop);

}

void NoteBookTab::registerNewEdgeMap(std::string mapname)

{

  if(mapwinexists)

    {

      mapwin->registerNewEdgeMap(mapname);

    }

}

void NoteBookTab::registerNewNodeMap(std::string mapname)

{

  if(mapwinexists)

    {

      mapwin->registerNewNodeMap(mapname);

    }

}

void NoteBookTab::createMapWin(std::string name)

{

  if(!mapwinexists)

    {

      mapwin=new MapWin("Map Setup - "+name, mapstorage.getEdgeMapList(), mapstorage.getNodeMapList(), *this);

      mapwin->show();

      mapwinexists=true;

    }

}

void NoteBookTab::closeMapWin()

{

  mapwinexists=false;

  delete mapwin;

}

sigc::signal<void, std::string> NoteBookTab::signal_title_ch()

{

  return signal_title;

}