#include "main_win.h"

 #include "guipixbufs.h"

 MainWin::MainWin()

 {

   set_title ("no file");

   set_default_size(WIN_WIDTH,WIN_HEIGHT);

   add(vbox);

   // custom icons for the toolbar

   Glib::RefPtr<Gtk::IconFactory> p_icon_factory = Gtk::IconFactory::create();

   Glib::RefPtr<Gdk::Pixbuf> p_move_pixbuf = Gdk::Pixbuf::create_from_inline(

       2328, gui_icons_move);

   Glib::RefPtr<Gdk::Pixbuf> p_addnode_pixbuf = Gdk::Pixbuf::create_from_inline(

       2328, gui_icons_addnode);

   Glib::RefPtr<Gdk::Pixbuf> p_addlink_pixbuf = Gdk::Pixbuf::create_from_inline(

       2328, gui_icons_addlink);

   Glib::RefPtr<Gdk::Pixbuf> p_delete_pixbuf = Gdk::Pixbuf::create_from_inline(

       2328, gui_icons_delete);

   Glib::RefPtr<Gdk::Pixbuf> p_editlink_pixbuf = Gdk::Pixbuf::create_from_inline(

       2328, gui_icons_editlink);

   Glib::RefPtr<Gdk::Pixbuf> p_editnode_pixbuf = Gdk::Pixbuf::create_from_inline(

       2328, gui_icons_editnode);

   Glib::RefPtr<Gdk::Pixbuf> p_newmap_pixbuf = Gdk::Pixbuf::create_from_inline(

       2328, gui_icons_newmap);

   Gtk::IconSource move_icon_source;

   move_icon_source.set_pixbuf(p_move_pixbuf);

   Gtk::IconSet move_icon_set;

   move_icon_set.add_source(move_icon_source);

   p_icon_factory->add(Gtk::StockID("gd-move"), move_icon_set);

   Gtk::IconSource addnode_icon_source;

   addnode_icon_source.set_pixbuf(p_addnode_pixbuf);

   Gtk::IconSet addnode_icon_set;

   addnode_icon_set.add_source(addnode_icon_source);

   p_icon_factory->add(Gtk::StockID("gd-addnode"), addnode_icon_set);

   Gtk::IconSource addlink_icon_source;

   addlink_icon_source.set_pixbuf(p_addlink_pixbuf);

   Gtk::IconSet addlink_icon_set;

   addlink_icon_set.add_source(addlink_icon_source);

   p_icon_factory->add(Gtk::StockID("gd-addlink"), addlink_icon_set);

   Gtk::IconSource delete_icon_source;

   delete_icon_source.set_pixbuf(p_delete_pixbuf);

   Gtk::IconSet delete_icon_set;

   delete_icon_set.add_source(delete_icon_source);

   p_icon_factory->add(Gtk::StockID("gd-delete"), delete_icon_set);

   Gtk::IconSource editlink_icon_source;

   editlink_icon_source.set_pixbuf(p_editlink_pixbuf);

   Gtk::IconSet editlink_icon_set;

   editlink_icon_set.add_source(editlink_icon_source);

   p_icon_factory->add(Gtk::StockID("gd-editlink"), editlink_icon_set);

   Gtk::IconSource editnode_icon_source;

   editnode_icon_source.set_pixbuf(p_editnode_pixbuf);

   Gtk::IconSet editnode_icon_set;

   editnode_icon_set.add_source(editnode_icon_source);

   p_icon_factory->add(Gtk::StockID("gd-editnode"), editnode_icon_set);

   Gtk::IconSource newmap_icon_source;

   newmap_icon_source.set_pixbuf(p_newmap_pixbuf);

   Gtk::IconSet newmap_icon_set;

   newmap_icon_set.add_source(newmap_icon_source);

   p_icon_factory->add(Gtk::StockID("gd-newmap"), newmap_icon_set);

   p_icon_factory->add_default();

   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::newTab));

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

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

   ag->add( Gtk::Action::create("FileClearTab", "Clear Tab"),

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

   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::closeTab));

   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, &MainWin::zoomIn));

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

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

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

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

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

       sigc::mem_fun(*this, &MainWin::zoom100));

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

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

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

   ag->add( Gtk::Action::create("AlgoMenu", "_Algorithms") );

   ag->add( Gtk::Action::create("AlgoGeneral", "_General"),

 	   sigc::bind( sigc::mem_fun ( *this, &MainWin::createAlgoWin ), 0) );

   ag->add( Gtk::Action::create("AlgoKruskal", "_Kruskal"),

 	   sigc::bind( sigc::mem_fun ( *this, &MainWin::createAlgoWin ), 1) );

   Gtk::RadioAction::Group tool_group;

   ag->add( Gtk::RadioAction::create(tool_group, "MoveItem", Gtk::StockID("gd-move"), "Move"),

       sigc::bind( sigc::mem_fun ( *this, &MainWin::changeEditorialTool ), 0) );

   ag->add( Gtk::RadioAction::create(tool_group, "CreateNode", Gtk::StockID("gd-addnode"), "Create node"),

       sigc::bind( sigc::mem_fun ( *this, &MainWin::changeEditorialTool ), 1) );

   ag->add( Gtk::RadioAction::create(tool_group, "CreateEdge", Gtk::StockID("gd-addlink"), "Create edge"),

       sigc::bind( sigc::mem_fun ( *this, &MainWin::changeEditorialTool ), 2) );

   ag->add( Gtk::RadioAction::create(tool_group, "EraseItem", Gtk::StockID("gd-delete"), "Delete"),

       sigc::bind( sigc::mem_fun ( *this, &MainWin::changeEditorialTool ), 3) );

   ag->add( Gtk::RadioAction::create(tool_group, "EditEdgeMap", Gtk::StockID("gd-editlink"), "Edit edge map"),

       sigc::bind( sigc::mem_fun ( *this, &MainWin::changeEditorialTool ), 4) );

   ag->add( Gtk::RadioAction::create(tool_group, "EditNodeMap", Gtk::StockID("gd-editnode"), "Edit node map"),

       sigc::bind( sigc::mem_fun ( *this, &MainWin::changeEditorialTool ), 5) );

   ag->add( Gtk::Action::create("AddMap", Gtk::StockID("gd-newmap")),

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

   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='FileClearTab'/>"

       "      <menuitem action='FileSave'/>"

       "      <menuitem action='FileSaveAs'/>"

       "      <menuitem action='Close'/>"

       "      <menuitem action='Quit'/>"

       "    </menu>"

       "    <menu action='ViewMenu'>"

       "      <menuitem action='ViewZoomIn' />"

       "      <menuitem action='ViewZoomOut' />"

       "      <menuitem action='ViewZoom100' />"

       "      <menuitem action='ViewZoomFit' />"

       "    </menu>"

       "    <menu action='ShowMenu'>"

       "      <menuitem action='ShowMaps'/>"

       "    </menu>"

       "    <menu action='AlgoMenu'>"

       "      <menuitem action='AlgoGeneral'/>"

       "      <menuitem action='AlgoKruskal'/>"

       "    </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='ViewZoom100' />"

       "    <toolitem action='ViewZoomFit' />"

       "    <separator />"

       "    <toolitem action='MoveItem' />"

       "    <toolitem action='CreateNode' />"

       "    <toolitem action='CreateEdge' />"

       "    <toolitem action='EraseItem' />"

       "    <toolitem action='EditEdgeMap' />"

       "    <toolitem action='EditNodeMap' />"

       "    <separator />"

       "    <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);

   }

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

   tooltips.enable();

   active_tab=-1;

   notebook.signal_switch_page().connect(sigc::mem_fun(*this, &MainWin::onChangeTab));

   active_tool = MOVE;

   vbox.pack_start(notebook);

   show_all_children();

 }

 void MainWin::set_tabtitle(std::string name)

 {

   if(strinst.find(name)==strinst.end())

     {

       tabnames[active_tab]=name;

       strinst[name]=1;

     }

   else

     {

       strinst[name]++;

       std::ostringstream o;

       o << strinst[name];

       tabnames[active_tab]=name+" - "+o.str();

     }

   set_title(tabnames[active_tab] + " - " + prog_name);

   notebook.set_tab_label_text((Widget&)*(tabs[active_tab]), tabnames[active_tab]);

   updateAlgoWinTabs();

 }

 void MainWin::readFile(const std::string & filename)

 {

   newTab();

   tabs[active_tab]->readFile(filename);

 }

 void MainWin::newTab()

 {

   int size=tabs.size();

   tabs.resize(size+1);

   tabnames.resize(size+1);

   active_tab=size;

   tabs[active_tab]=new NoteBookTab();

   tabs[active_tab]->signal_title_ch().connect(sigc::mem_fun(*this, &MainWin::set_tabtitle));

   tabs[active_tab]->signal_newmap_needed().connect(sigc::mem_fun(*this, &MainWin::createNewMapWinAfterSignal));

   tabs[active_tab]->gd_canvas->changeEditorialTool(active_tool);

   notebook.append_page((Gtk::Widget&)(*(tabs[active_tab])));

   notebook.set_current_page(size);

   set_tabtitle("unsaved file");

   updateAlgoWinTabs();

 }

 void MainWin::closeTab()

 {

   if(active_tab!=-1)

     {

       if (tabs[active_tab]->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:

 	      tabs[active_tab]->saveFile();

 	      break;

 	    }

 	}

       //tabs vector will be decreased with the deleted value

       int size=tabs.size();

       if(size>1)

 	{

 	  for(int i=active_tab+1;i<size;i++)

 	    {

 	      tabnames[i-1]=tabnames[i];

 	      tabs[i-1]=tabs[i];

 	    }

 	}

       //if size==1 resize will delete the only element

       tabs.resize(size-1);

       tabnames.resize(size-1);

       int old_active_tab=active_tab;

       notebook.remove_page(active_tab);

       //If the first tab was active, upon delete notebook

       //will first switch one tab upper and not lower like

       //in the case, when not the first tab was active.

       //But after deletion it will become the first tab,

       //and this should be registrated in tabs vector,

       //as well.

       if((old_active_tab==0)&&(size!=1))

 	{

 	  onChangeTab(NULL,0);

 	}

       //if this was the last page in notebook, there is

       //no active_tab now

       if(size==1)

 	{

 	  active_tab=-1;

 	}

       updateAlgoWinTabs();

     }

 }

 void MainWin::onChangeTab(GtkNotebookPage* page, guint page_num)

 {

   page=page;

   active_tab=page_num;

   tabs[active_tab]->gd_canvas->changeEditorialTool(active_tool);

   set_title(tabnames[active_tab]);

 }

 void MainWin::newFile()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->newFile();

     }

 }

 void MainWin::openFile()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->openFile();

     }

 }

 void MainWin::saveFile()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->saveFile();

     }

 }

 void MainWin::saveFileAs()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->saveFileAs();

     }

 }

 void MainWin::close()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->close();

     }

 }

 void MainWin::zoomIn()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->gd_canvas->zoomIn();

     }

 }

 void MainWin::zoomOut()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->gd_canvas->zoomOut();

     }

 }

 void MainWin::zoomFit()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->gd_canvas->zoomFit();

     }

 }

 void MainWin::zoom100()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->gd_canvas->zoom100();

     }

 }

 void MainWin::createMapWin()

 {

   if(active_tab!=-1)

     {

       tabs[active_tab]->createMapWin(tabnames[active_tab]);

     }

 }

 void MainWin::createAlgoWin(int algoid)

 {

   AlgoWin * aw=new AlgoWin(algoid, tabnames);

   aw->signal_closing().connect(sigc::mem_fun(*this, &MainWin::deRegisterAlgoWin));

   aw->signal_maplist_needed().connect(sigc::mem_fun(*this, &MainWin::updateAlgoWinMaps));

   aw->signal_newmapwin_needed().connect(sigc::mem_fun(*this, &MainWin::createNewMapWinTabString));

   aws.insert(aw);

   aw->show();

 }

 void MainWin::updateAlgoWinTabs()

 {

   std::set< AlgoWin* >::iterator awsi=aws.begin();

   for(;awsi!=aws.end();awsi++)

     {

       (*awsi)->update_tablist(tabnames);

     }

 }

 void MainWin::updateAlgoWinMaps(AlgoWin * awp, std::string tabname)

 {

   int i=0;

   for(;(i<(int)tabnames.size())&&(tabnames[i]!=tabname);i++)

     {

     }

   awp->update_maplist(&(tabs[i]->mapstorage));

 }

 void MainWin::deRegisterAlgoWin(AlgoWin * awp)

 {

   aws.erase(awp);

 }

 void MainWin::changeEditorialTool(int tool)

 {

   active_tool=tool;

   if(active_tab!=-1)

     {

       tabs[active_tab]->gd_canvas->changeEditorialTool(tool);

     }

 }

 void MainWin::createNewMapWin()

 {

   if(active_tab!=-1)

     {

       NewMapWin * nmw=new NewMapWin("Create New Map - "+tabnames[active_tab], *(tabs[active_tab]));

       nmw->show();

     }

 }

 void MainWin::createNewMapWinTabString(std::string tabname, bool itisedge)

 {

   int i=0;

   for(;((i<(int)tabnames.size())&&(tabnames[i]!=tabname));i++)

     {

     }

   createNewMapWinAfterSignal(tabs[i], itisedge);

 }

 void MainWin::createNewMapWinAfterSignal(NoteBookTab * nbt, bool itisedge)

 {

   std::vector<NoteBookTab*>::iterator nbti=tabs.begin();

   int i=0;

   for(;nbti!=tabs.end();nbti++)

     {

       if(*nbti!=nbt)

 	{

 	  i++;

 	}

       else

 	{

 	  continue;

 	}

     }

   NewMapWin * nmw=new NewMapWin("Create New Map - "+tabnames[i], *nbt, itisedge, false);

   nmw->run();

 }