#include "main_win.h"

MainWin::MainWin(const std::string& title) :

  mapwin("Map Setup", mapstorage, gd_canvas),

  newmapwin("Creating new map", gd_canvas), gd_canvas(mapstorage, mapwin)

{

  set_title (title);

  set_default_size(WIN_WIDTH,WIN_HEIGHT);

  add(vbox);

  ag=Gtk::ActionGroup::create();

  ag->add( Gtk::Action::create("FileMenu", "_File") );

  ag->add( Gtk::Action::create("FileNew", Gtk::Stock::NEW),

      sigc::mem_fun(*this, &MainWin::newFile));

  ag->add( Gtk::Action::create("FileOpen", Gtk::Stock::OPEN),

      sigc::mem_fun(*this, &MainWin::openFile));

  ag->add( Gtk::Action::create("FileSave", Gtk::Stock::SAVE),

      sigc::mem_fun(*this, &MainWin::saveFile));

  ag->add( Gtk::Action::create("FileSaveAs", Gtk::Stock::SAVE_AS),

      sigc::mem_fun(*this, &MainWin::saveFileAs));

  ag->add( Gtk::Action::create("Close", Gtk::Stock::CLOSE),

      sigc::mem_fun(*this, &MainWin::close));

  ag->add( Gtk::Action::create("Quit", Gtk::Stock::QUIT),

      sigc::mem_fun(*this, &MainWin::hide));

  ag->add( Gtk::Action::create("ViewMenu", "_View") );

  ag->add( Gtk::Action::create("ViewZoomIn", Gtk::Stock::ZOOM_IN),

      sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoomIn));

  ag->add( Gtk::Action::create("ViewZoomOut", Gtk::Stock::ZOOM_OUT),

      sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoomOut));

  ag->add( Gtk::Action::create("ViewZoomFit", Gtk::Stock::ZOOM_FIT),

      sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoomFit));

  ag->add( Gtk::Action::create("ViewZoom100", Gtk::Stock::ZOOM_100),

      sigc::mem_fun(this->gd_canvas, &GraphDisplayerCanvas::zoom100));

  ag->add( Gtk::Action::create("ShowMenu", "_Show") );

  ag->add( Gtk::Action::create("ShowMaps", "_Maps"),

      sigc::mem_fun(this->mapwin, &MapWin::show));

  Gtk::RadioAction::Group tool_group;

  ag->add( Gtk::RadioAction::create(tool_group, "MoveItem", Gtk::Stock::CONVERT, "Move"),

      sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 0) );

  ag->add( Gtk::RadioAction::create(tool_group, "CreateNode", Gtk::Stock::NO, "Create node"),

      sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 1) );

  ag->add( Gtk::RadioAction::create(tool_group, "CreateEdge", Gtk::Stock::REMOVE, "Create edge"),

      sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 2) );

  ag->add( Gtk::RadioAction::create(tool_group, "EraseItem", Gtk::Stock::DELETE, "Delete"),

      sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 3) );

  ag->add( Gtk::Action::create("EditEdgeMap", Gtk::Stock::PROPERTIES),

      sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 4) );

  ag->add( Gtk::Action::create("EditNodeMap", Gtk::Stock::PREFERENCES),

      sigc::bind( sigc::mem_fun ( this->gd_canvas, &GraphDisplayerCanvas::changeEditorialTool ), 5) );

  ag->add( Gtk::Action::create("AddMap", Gtk::Stock::NEW),

      sigc::mem_fun ( this->newmapwin, &NewMapWin::show ) );

  uim=Gtk::UIManager::create();

  uim->insert_action_group(ag);

  add_accel_group(uim->get_accel_group());

  try

  {

    Glib::ustring ui_info =

      "<ui>"

      "  <menubar name='MenuBar'>"

      "    <menu action='FileMenu'>"

      "      <menuitem action='FileNew'/>"

      "      <menuitem action='FileOpen'/>"

      "      <menuitem action='FileSave'/>"

      "      <menuitem action='FileSaveAs'/>"

      "      <menuitem action='Close'/>"

      "      <menuitem action='Quit'/>"

      "    </menu>"

      "    <menu action='ViewMenu'>"

      "      <menuitem action='ViewZoomIn' />"

      "      <menuitem action='ViewZoomOut' />"

      "      <menuitem action='ViewZoomFit' />"

      "      <menuitem action='ViewZoom100' />"

      "    </menu>"

      "    <menu action='ShowMenu'>"

      "      <menuitem action='ShowMaps'/>"

      "    </menu>"

      "  </menubar>"

      "  <toolbar name='ToolBar'>"

      "    <toolitem action='FileNew' />"

      "    <toolitem action='FileOpen' />"

      "    <toolitem action='FileSave' />"

      "    <toolitem action='Close' />"

      "    <separator />"

      "    <toolitem action='ViewZoomIn' />"

      "    <toolitem action='ViewZoomOut' />"

      "    <toolitem action='ViewZoomFit' />"

      "    <toolitem action='ViewZoom100' />"

      "    <separator />"

      "    <toolitem action='MoveItem' />"

      "    <toolitem action='CreateNode' />"

      "    <toolitem action='CreateEdge' />"

      "    <toolitem action='EraseItem' />"

      "    <toolitem action='EditEdgeMap' />"

      "    <toolitem action='EditNodeMap' />"

      "    <toolitem action='AddMap' />"

      "  </toolbar>"

      "</ui>";

    uim->add_ui_from_string(ui_info);

  }

  catch(const Glib::Error& ex)

  {

    std::cerr << "building menus failed: " <<  ex.what();

  }

  Gtk::Widget* menubar = uim->get_widget("/MenuBar");

  if (menubar){

    vbox.pack_start(*menubar, Gtk::PACK_SHRINK);

  }

  Gtk::Widget* toolbar = uim->get_widget("/ToolBar");

  if (toolbar)

  {

    static_cast<Gtk::Toolbar*>(toolbar)->set_toolbar_style(Gtk::TOOLBAR_ICONS);

    vbox.pack_start(*toolbar, Gtk::PACK_SHRINK);

  }

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

  pScrolledWindow->add(gd_canvas);

  vbox.pack_start(*pScrolledWindow);

  tooltips.set_tip(*(uim->get_widget("/ToolBar/CreateNode")),"Create Node");

  tooltips.enable();

  show_all_children();

}

void MainWin::newFile()

{

  if (mapstorage.modified)

  {

    Gtk::MessageDialog mdialog("", false, Gtk::MESSAGE_WARNING,

        Gtk::BUTTONS_NONE);

    mdialog.set_message("<b>Save changes before closing?</b>", true);

    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();

  mapwin.update();

}

void MainWin::openFile()

{

  if (mapstorage.modified)

  {

    Gtk::MessageDialog mdialog("", false, Gtk::MESSAGE_WARNING,

        Gtk::BUTTONS_NONE);

    mdialog.set_message("<b>Save changes before closing?</b>", true);

    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();

  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)

  {

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

    mapstorage.readFromFile(filename);

    mapstorage.file_name = filename;

    mapstorage.modified = false;

    gd_canvas.drawGraph();

    mapwin.update();

  }

}

void MainWin::saveFile()

{

  if (mapstorage.file_name == "") {

    saveFileAs();

  }

  else

  {

    mapstorage.writeToFile(mapstorage.file_name);

    mapstorage.modified = false;

  }

}

void MainWin::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;

  }

}

void MainWin::close()

{

  if (mapstorage.modified)

  {

    Gtk::MessageDialog mdialog("", false, Gtk::MESSAGE_WARNING,

        Gtk::BUTTONS_NONE);

    mdialog.set_message("<b>Save changes before closing?</b>", true);

    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();

  mapwin.update();

}