public void load(Stage stage) throws IOException{
            try
            {
                FileChooser chooser = new FileChooser();
                chooser.setInitialDirectory(new File("."));
                File file = chooser.showOpenDialog(stage);
                FileInputStream fstream = new FileInputStream(file);
                BufferedReader br = new BufferedReader(new InputStreamReader(fstream));


                for (GBlock block : blockList){
                    plan1.delete_blok(block.see_matchblock().see_name());
                    root.getChildren().remove(block);
                }

                for (GWire wire : wireList){
                    root.getChildren().remove(wire);
                }
                blockList.clear();
                portList.clear();
                wireList.clear();
                GPort.port_number = 0;
                Main.id = 0;

                String line = null;
                while ((line = br.readLine()) != null) {
                    //System.out.println(line);
                    String[] split = line.split(" ");
                    if (split[0].equals("start")){
                        Port.hodnoty hodny = Port.hodnoty.Metr;
                        for (Port.hodnoty hod : Port.hodnoty.values()){
                            if (split[2].equals(hod.toString())){
                                hodny = hod;
                                break;
                            }
                        }
                        GBlock_start loaded_block = new GBlock_start(Double.parseDouble(split[3]), Double.parseDouble(split[4]),
                                Double.parseDouble(split[1]), hodny, Integer.parseInt(split[5]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[6]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("soucet")){
                        GBlock_soucet loaded_block = new GBlock_soucet(Double.parseDouble(split[1]),
                                Double.parseDouble(split[2]), Integer.parseInt(split[3]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[4]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("rozdil")){
                        GBlock_rozdil loaded_block = new GBlock_rozdil(Double.parseDouble(split[1]),
                                Double.parseDouble(split[2]), Integer.parseInt(split[3]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[4]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("koule")){
                        GBlock_koule loaded_block = new GBlock_koule(Double.parseDouble(split[1]),
                                Double.parseDouble(split[2]), Integer.parseInt(split[3]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[4]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("kvadr")){
                        GBlock_kvadr loaded_block = new GBlock_kvadr(Double.parseDouble(split[1]),
                                Double.parseDouble(split[2]), Integer.parseInt(split[3]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[4]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("obdelnik")){
                        GBlock_obdelnik loaded_block = new GBlock_obdelnik(Double.parseDouble(split[1]),
                                Double.parseDouble(split[2]), Integer.parseInt(split[3]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[4]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("podil")){
                        GBlock_podil loaded_block = new GBlock_podil(Double.parseDouble(split[1]),
                                Double.parseDouble(split[2]), Integer.parseInt(split[3]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[4]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("soucin")){
                        GBlock_soucin loaded_block = new GBlock_soucin(Double.parseDouble(split[1]),
                                Double.parseDouble(split[2]), Integer.parseInt(split[3]));
                        loaded_block.see_matchblock().set_poradi(Integer.parseInt(split[4]));
                        root.getChildren().add(loaded_block);
                    }
                    else if(split[0].equals("name")){
                        scheme_name.setText(split[1]);
                    }
                }
                Main.plan1.poradnik_refresh();

                br.close();
                fstream.close();



                FileInputStream fstream2 = new FileInputStream(file);
                BufferedReader br2 = new BufferedReader(new InputStreamReader(fstream2));
                br2 = new BufferedReader(new InputStreamReader(fstream2));
                while ((line = br2.readLine()) != null) {
                    //System.out.println(line);
                    String[] split = line.split(" ");
                    if (split[0].equals("wire")) {

                        System.out.println(line);
                        plan1.add_propoj(split[1], split[3], split[2], split[4]);
                        GPort tmp1 = null;
                        GPort tmp2 = null;
                        //
                        for (GPort port : portList){
                            if(port.matching_port.see_nazev().equals(split[3])) {
                                GBlock block = (GBlock) port.getParent();
                                Block tmp = plan1.find_block(split[1]);
                                if (block.see_matchblock().see_name().equals(tmp.see_name())) {
                                    tmp1 = port;
                                    break;
                                }
                            }
                        }
                        for (GPort port : portList){
                            if(port.matching_port.see_nazev().equals(split[4])) {
                                GBlock block = (GBlock) port.getParent();
                                Block tmp = plan1.find_block(split[2]);
                                if (block.see_matchblock().see_name().equals(tmp.see_name())) {
                                    tmp2 = port;
                                    break;
                                }
                            }
                        }
                        //
                        /*for (GPort gport : Main.portList) {
                            if (gport.port_id == Integer.parseInt(split[5])) {
                                tmp1 = gport;
                            } else if (gport.port_id == Integer.parseInt(split[6])) {
                                tmp2 = gport;
                            }
                        }*/
                        GWire gwire = new GWire(tmp1, tmp2, plan1.find_wire(split[1] + "-" + split[2]));
                        root.getChildren().add(gwire);
                    }
                }



            }

            catch(IOException ex)
            {
                System.out.println("IOException is caught");
            }

        }