import java.util.Timer;
import java.util.TimerTask;
import javafx.application.Platform;
import javafx.embed.swing.JFXPanel;
import javafx.scene.Scene;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

public class SwingTest {
    private static final String URL = "http://netbeans.org/features/platform/features.html";
    private static final double MIN_ZOOM = .1; // 1.0 means 100%
    private static final double MAX_ZOOM = 2;
    private static final long DELAY = 2000; // ms
    static int n = 0;
    private static JFXPanel javafxPanel;

    private static void initAndShowGUI() {
        final JFrame frame = new JFrame("Swing application");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        javafxPanel = new JFXPanel();
        frame.getContentPane().add(javafxPanel);
        Platform.runLater(new Runnable() {
            public void run() {
                javafxPanel.setScene(createScene());
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {
                        frame.pack();
                        frame.setVisible(true);
                    }
                });
            }
        });
    }

    private static Scene createScene() {
        final WebView webView = new WebView();
        final WebEngine webEngine = webView.getEngine();
        webEngine.load(URL);
        Scene scene = new Scene(webView);

        TimerTask task = new TimerTask() {
            @Override public void run() {
                Platform.runLater(new Runnable() {
                    public void run() {
                        webView.setZoom(MIN_ZOOM + Math.random() * (MAX_ZOOM - MIN_ZOOM));
                        System.out.println(++n + " webView.getZoom() = " + webView.getZoom());
                    }
                });
            }
        };
        new Timer(true).schedule(task, 10000, DELAY);
        return scene;
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                initAndShowGUI();
            }
        });
    }
}