Button ssh=new Button("SSH");
        viewgrid.add(ssh, 0, row+1);
        ssh.setOnAction(new EventHandler<ActionEvent>() {
            String string;
            @Override
            public void handle(ActionEvent event) {
                JSch jsch=new JSch();
                Dialog<ArrayList<String>> dialog2=new Dialog<>();
                dialog2.setTitle("Logging in");
                dialog2.setContentText("Write username, host and password");
                Label lun=new Label("Username");
                Label lh=new Label("Host");
                Label lp=new Label("Password");
                Label error=new Label();
                TextField tun=new TextField(System.getProperty("user.name"));
                TextField th=new TextField("localhost");
                TextField tp=new TextField();
                GridPane gp=new GridPane();
                gp.add(lun, 0, 0);
                gp.add(tun, 1, 0);
                gp.add(lh, 0, 1);
                gp.add(th, 1, 1);
                gp.add(lp, 0, 2);
                gp.add(tp, 1, 2);
                gp.add(error, 0, 3,2,1);
                gp.setVgap(6);
                gp.setHgap(6);
//              gp.setPadding(new Insets(6,0,0,0));
                DialogPane dialogPane=dialog2.getDialogPane();
                dialogPane.setContent(gp);
                ButtonType typeok=new ButtonType("Enter", ButtonData.OK_DONE);
                dialogPane.getButtonTypes().add(typeok);
                Button okbutton=(Button) dialogPane.lookupButton(typeok);
                okbutton.addEventFilter(ActionEvent.ACTION, ef->
                {
                    if(tun.getText().equals("")|| th.getText().equals("")||
                    tp.getText().equals(""))
                    {
                        error.setText("Not enough values");
                        ef.consume();
                    }
                });
                dialog2.setResultConverter(new Callback<ButtonType, ArrayList<String>>() {
                    @Override
                    public ArrayList<String> call(ButtonType param) {
                        if(param==typeok) return new ArrayList<String>(Arrays.asList(tun.getText(),th.getText(),tp.getText()));
                        return null;
                    }
                });
                Optional<ArrayList<String>> result=dialog2.showAndWait();
                System.out.println(result);
                if(result.isPresent())
                {
                    ArrayList<String> list=result.get();
                    System.out.println(list);
                    String user=list.get(0);
                    String host=list.get(1);
                    String password=list.get(2);
                    //Seems to happen because of below
                    try {
                        Session session=jsch.getSession(user, host, 22);
                        session.setPassword(password);
                        session.setConfig("StrictHostKeyChecking", "no");//unsafe
                        session.connect(3000);
                        Channel channel=session.openChannel("shell");
                        channel.setInputStream(System.in);
                        channel.setOutputStream(System.out);
                        channel.connect(3000);
                    } catch (JSchException e) {
                        e.printStackTrace();
                    }
                }
            }
        });