gui/nbtab.cc
author hegyi
Tue, 03 Jan 2006 14:56:45 +0000
changeset 1869 52f5a7f9fb48
parent 1849 a4d1362397fe
child 1878 409a31271efd
permissions -rw-r--r--
Handling of tabs is rationalized a bit. More than one file can be given at startup in command prompt. If there is no file given in command prompt, an empty tab will be present at startup.
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#include <nbtab.h>
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NoteBookTab::NoteBookTab():mapwinexists(false)
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{
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  gd_canvas=new GraphDisplayerCanvas(*this);
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  add(*gd_canvas);
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  //connecting signals - controller character
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  mapstorage.signal_prop_ch().connect(sigc::mem_fun(*gd_canvas, &GraphDisplayerCanvas::propertyChange));
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  show_all_children();
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  show();
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}
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void NoteBookTab::readFile(const std::string &file)
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{
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  mapstorage.readFromFile(file);
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  mapstorage.file_name = file;
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  mapstorage.modified = false;
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  gd_canvas->drawGraph();
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  if(mapwinexists)
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    {
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      mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());
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    }
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  signal_title.emit(Glib::filename_display_basename(file));
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}
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void NoteBookTab::newFile()
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{
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  if (mapstorage.modified)
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  {
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    Gtk::MessageDialog mdialog("<b>Save changes before closing?</b>", true,
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        Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
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    mdialog.add_button("Close file _without Saving", Gtk::RESPONSE_REJECT);
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    mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
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    mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
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    switch (mdialog.run())
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    {
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      case Gtk::RESPONSE_CANCEL:
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        return;
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      case Gtk::RESPONSE_REJECT:
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        break;
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      case Gtk::RESPONSE_ACCEPT:
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        saveFile();
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        break;
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    }
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  }
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  gd_canvas->clear();
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  mapstorage.clear();
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  if(mapwinexists)
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    {
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      mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());
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    }
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  signal_title.emit("unsaved file");
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}
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void NoteBookTab::openFile()
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{
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  if (mapstorage.modified)
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  {
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    Gtk::MessageDialog mdialog("<b>Save changes before closing?</b>", true, 
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        Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
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    mdialog.add_button("Close file _without Saving", Gtk::RESPONSE_REJECT);
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    mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
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    mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
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    switch (mdialog.run())
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    {
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      case Gtk::RESPONSE_CANCEL:
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        return;
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      case Gtk::RESPONSE_REJECT:
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        break;
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      case Gtk::RESPONSE_ACCEPT:
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        saveFile();
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        break;
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    }
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  }
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  Gtk::FileChooserDialog fcdialog("Open File");
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  fcdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
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  fcdialog.add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
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  if (fcdialog.run() == Gtk::RESPONSE_ACCEPT)
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  {
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    gd_canvas->clear();
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    mapstorage.clear();
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    Glib::ustring filename = fcdialog.get_filename();
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    if (!mapstorage.readFromFile(filename))
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    {
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      mapstorage.file_name = filename;
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      mapstorage.modified = false;
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      gd_canvas->drawGraph();
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      if(mapwinexists)
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	{
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	  mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());
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	}
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      signal_title.emit(Glib::filename_display_basename(filename));
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    }
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  }
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}
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void NoteBookTab::saveFile()
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{
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  if (mapstorage.file_name == "") {
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    saveFileAs();
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  }
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  else
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  {
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    mapstorage.writeToFile(mapstorage.file_name);
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    mapstorage.modified = false;
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    signal_title.emit(Glib::filename_display_basename(mapstorage.file_name));
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  }
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}
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void NoteBookTab::saveFileAs()
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{
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  Gtk::FileChooserDialog fcdialog("Save File", Gtk::FILE_CHOOSER_ACTION_SAVE);
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  fcdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
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  fcdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
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  if (fcdialog.run() == Gtk::RESPONSE_ACCEPT)
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  {
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    Glib::ustring filename = fcdialog.get_filename();
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    mapstorage.file_name = filename;
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    mapstorage.writeToFile(filename);
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    mapstorage.modified = false;
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    signal_title.emit(Glib::filename_display_basename(filename));
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  }
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}
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void NoteBookTab::close()
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{
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  if (mapstorage.modified)
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  {
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    Gtk::MessageDialog mdialog("<b>Save changes before closing?</b>", true,
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        Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE);
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    mdialog.add_button("Close _without Saving", Gtk::RESPONSE_REJECT);
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    mdialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
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    mdialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
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    switch (mdialog.run())
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    {
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      case Gtk::RESPONSE_CANCEL:
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        return;
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      case Gtk::RESPONSE_REJECT:
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        break;
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      case Gtk::RESPONSE_ACCEPT:
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        saveFile();
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        break;
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    }
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  }
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  gd_canvas->clear();
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  mapstorage.clear();
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  if(mapwinexists)
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    {
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      mapwin->update(mapstorage.getEdgeMapList(), mapstorage.getNodeMapList());
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    }
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  signal_title.emit("unsaved file");
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}
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void NoteBookTab::propertyChange(bool itisedge, int prop, std::string mapname)
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{
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  mapstorage.changeActiveMap(itisedge, prop, mapname);
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}
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sigc::signal<void, NoteBookTab *, bool> NoteBookTab::signal_newmap_needed()
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{
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  return signal_newmap;
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}
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void NoteBookTab::popupNewMapWin(bool itisedge, int prop)
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{
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  prop=prop;
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  signal_newmap.emit(this, itisedge);
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}
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std::string NoteBookTab::getActiveEdgeMap(int prop)
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{
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  return mapstorage.getActiveEdgeMap(prop);
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}
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std::string NoteBookTab::getActiveNodeMap(int prop)
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{
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  return mapstorage.getActiveNodeMap(prop);
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}
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void NoteBookTab::registerNewEdgeMap(std::string mapname)
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{
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  if(mapwinexists)
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    {
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      mapwin->registerNewEdgeMap(mapname);
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    }
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}
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void NoteBookTab::registerNewNodeMap(std::string mapname)
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{
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  if(mapwinexists)
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    {
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      mapwin->registerNewNodeMap(mapname);
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    }
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}
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void NoteBookTab::createMapWin(std::string name)
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{
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  if(!mapwinexists)
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    {
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      mapwin=new MapWin("Map Setup - "+name, mapstorage.getEdgeMapList(), mapstorage.getNodeMapList(), *this);
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      mapwin->show();
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      mapwinexists=true;
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    }
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}
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void NoteBookTab::closeMapWin()
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{
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  mapwinexists=false;
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  delete mapwin;
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}
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sigc::signal<void, std::string> NoteBookTab::signal_title_ch()
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{
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  return signal_title;
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}
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