private void load() {
   JFileChooser fileChooser = initFileChooser("Load");
   int result = fileChooser.showOpenDialog(screen.getScreen());
   if (result == JFileChooser.APPROVE_OPTION) {
     File selectedFile = fileChooser.getSelectedFile();
     String path = selectedFile.getAbsolutePath();
     networkFactory.load(path);
     currentNetwork = networkFactory.getNetworkElementFactory(NETWORK_NAME);
     currentTransit = networkFactory.getTransitFactory(NETWORK_NAME);
     updateNetworkData();
   }
 }