import java.awt.GridLayout;
import java.lang.reflect.InvocationTargetException;
import javafx.application.Application;
import javafx.embed.swing.SwingNode;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

/**
 *
 * @author andrei-eremeev
 */
public class SwingNodeBase extends Application {

    private volatile boolean isFinished = false;
    private final Object monitor = new Object();
    
    @Override
    public void start(Stage stage) throws Exception {
        SwingNode swingNode = new SwingNode();
        init(swingNode);
        StackPane pane = new StackPane();
        pane.getChildren().add(swingNode);
        Scene scene = new Scene(pane, 300, 300);
        stage.setScene(scene);
        stage.setX(175);
        stage.setY(75);
        stage.setOnShown(new EventHandler<WindowEvent>() {
            @Override
            public void handle(WindowEvent t) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                }
                System.out.println("SHOW");
                synchronized (monitor) {
                    isFinished = true;
                    monitor.notify();
                }
            }
        });
        stage.show();
        new Thread(new Runnable() {
            @Override
            public void run() {
                
            }
        }).start();
    }
    
    private static void init(final SwingNode node) throws InterruptedException, InvocationTargetException {
        SwingUtilities.invokeAndWait(new Runnable() {
            @Override
            public void run() {
                JPanel panel = new JPanel();
                panel.setLayout(new GridLayout(2, 1));
                JButton button = new JButton("Button");
                JTextArea textArea = new JTextArea("TextArea");
                panel.add(button);
                panel.add(textArea);
                node.setContent(panel);
            }
        });
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}