import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javafx.application.Application;
import javafx.embed.swing.SwingNode;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javax.swing.JComboBox;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
/**
 *
 * @author aeremeev
 */
public class FXTest extends Application {
    
    @Override
    public void start(final Stage stage) throws Exception {
        Pane pane = new StackPane();
        Scene scene = new Scene(pane, 200, 200);
        final SwingNode swingNode = new SwingNode();
        init(swingNode);
        pane.getChildren().addAll(swingNode);
        stage.setScene(scene);
        stage.show();
    }
    
    private void init(final SwingNode node) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                JPanel panel = new JPanel();
                JComboBox<String> component = new JComboBox<>();
                for (int i = 0; i < 10; ++i) {
                    component.addItem("Item " + i);
                }
                component.addItemListener(new ItemListener() {
                    @Override
                    public void itemStateChanged(ItemEvent e) {
                        System.out.println(e);
                    }
                });
                panel.add(component);
                node.setContent(panel);
            }
        });
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}