import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.embed.swt.FXCanvas;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.TextField;
import java.awt.Frame;
import java.awt.KeyboardFocusManager;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.JPanel;
import javax.swing.JTextField;

import org.eclipse.swt.SWT;
import org.eclipse.swt.awt.SWT_AWT;
import org.eclipse.swt.internal.gtk.OS;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class JavaFXAndAWTInsideSWT {

	public static void main(String[] args) {
		// Print GTK version.
		System.out.println(
				"GTK Version: " + OS.gtk_major_version() + "." + OS.gtk_minor_version() + "." + OS.gtk_micro_version());

		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());

		// SWT
		Composite composite = new Composite(shell, SWT.FILL);
		composite.setLayout(new GridLayout());
		Text text = new Text(composite, SWT.NONE);
		text.addFocusListener(new org.eclipse.swt.events.FocusListener() {
			@Override
			public void focusGained(org.eclipse.swt.events.FocusEvent arg0) {
				System.out.println("focusGained (SWT)");
			}

			@Override
			public void focusLost(org.eclipse.swt.events.FocusEvent arg0) {
				System.out.println("focusLost (SWT)");
			}
		});
		text.setText("Text");

		// JavaFX
		FXCanvas fxCanvas = new FXCanvas(shell, SWT.NONE);
		TextField textField = new TextField("Text");
		textField.focusedProperty().addListener(new ChangeListener<Boolean>() {
			@Override
			public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) {
				System.out.println(newValue ? "focusGained (JavaFX)" : "focusLost (JavaFX)");
			}
		});
		Group group = new Group(textField);
		Scene scene = new Scene(group);
		fxCanvas.setScene(scene);

		// AWT
		JPanel jPanel = new JPanel();
		JTextField jTextField = new JTextField("Text", 20);
		jTextField.addFocusListener(new java.awt.event.FocusListener() {
			@Override
			public void focusGained(java.awt.event.FocusEvent e) {
				System.out.println("focusGained (AWT)");
			}

			@Override
			public void focusLost(java.awt.event.FocusEvent e) {
				System.out.println("focusLost (AWT)");
			}
		});
		jPanel.add(jTextField);
		Composite embedded = new Composite(shell, SWT.EMBEDDED);
		Frame frame = SWT_AWT.new_Frame(embedded);
		frame.add(jPanel);

		KeyboardFocusManager focusManager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
		focusManager.addPropertyChangeListener(new PropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent e) {
				System.out.println("focus property changes: " + e.getPropertyName());
			}
		});

		shell.layout();
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
		display.dispose();
	}
}