import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;

import javafx.embed.swt.FXCanvas;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;

import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

public class SimpleFXCanvas {

    private static void createScene(final FXCanvas fxCanvas) {
        Group root = new Group();
        final Scene scene = new Scene(root);
        scene.setFill(Color.LIGHTGREEN);

        Rectangle rect = new Rectangle();
        rect.setX(25);
        rect.setY(40);
        rect.setWidth(100);
        rect.setHeight(50);
        rect.setFill(Color.BLUE);

        root.getChildren().add(rect);

        // add scene to panel
        fxCanvas.setScene(scene);
    }

    public static void main(String[] args) {
        Display display = new Display();
        final Shell shell = new Shell(display);
        shell.setSize(400, 400);
        shell.setLayout(new FillLayout());
        
        Button button = new Button(shell, SWT.NONE);
        button.setText("SWT Button (press to close)");
        button.addListener(SWT.Selection, new Listener() {
            public void handleEvent (Event e) {
                shell.close();
            }
        });
        
        // Create javafx panel
        final FXCanvas fxCanvas = new FXCanvas(shell, SWT.NONE);
        
        // create JavaFX scene
        createScene(fxCanvas);
        
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
    }
}