@Override
public void start(Stage stage) {
    FlowPane content = new FlowPane();
    JFXButton leftButton = new JFXButton(LEFT);
    JFXButton topButton = new JFXButton(TOP);
    JFXButton rightButton = new JFXButton(RIGHT);
    JFXButton bottomButton = new JFXButton(BOTTOM);
    content.getChildren().addAll(leftButton, topButton, rightButton, bottomButton);
    content.setMaxSize(200, 200);


    JFXDrawer leftDrawer = new JFXDrawer();
    StackPane leftDrawerPane = new StackPane();
    leftDrawerPane.getStyleClass().add("red-400");
    leftDrawerPane.getChildren().add(new JFXButton("Left Content"));
    leftDrawer.setSidePane(leftDrawerPane);
    leftDrawer.setDefaultDrawerSize(150);
    leftDrawer.setResizeContent(true);
    leftDrawer.setOverLayVisible(false);
    leftDrawer.setResizableOnDrag(true);


    JFXDrawer bottomDrawer = new JFXDrawer();
    StackPane bottomDrawerPane = new StackPane();
    bottomDrawerPane.getStyleClass().add("deep-purple-400");
    bottomDrawerPane.getChildren().add(new JFXButton("Bottom Content"));
    bottomDrawer.setDefaultDrawerSize(150);
    bottomDrawer.setDirection(DrawerDirection.BOTTOM);
    bottomDrawer.setSidePane(bottomDrawerPane);
    bottomDrawer.setResizeContent(true);
    bottomDrawer.setOverLayVisible(false);
    bottomDrawer.setResizableOnDrag(true);


    JFXDrawer rightDrawer = new JFXDrawer();
    StackPane rightDrawerPane = new StackPane();
    rightDrawerPane.getStyleClass().add("blue-400");
    rightDrawerPane.getChildren().add(new JFXButton("Right Content"));
    rightDrawer.setDirection(DrawerDirection.RIGHT);
    rightDrawer.setDefaultDrawerSize(150);
    rightDrawer.setSidePane(rightDrawerPane);
    rightDrawer.setOverLayVisible(false);
    rightDrawer.setResizableOnDrag(true);


    JFXDrawer topDrawer = new JFXDrawer();
    StackPane topDrawerPane = new StackPane();
    topDrawerPane.getStyleClass().add("green-400");
    topDrawerPane.getChildren().add(new JFXButton("Top Content"));
    topDrawer.setDirection(DrawerDirection.TOP);
    topDrawer.setDefaultDrawerSize(150);
    topDrawer.setSidePane(topDrawerPane);
    topDrawer.setOverLayVisible(false);
    topDrawer.setResizableOnDrag(true);


    JFXDrawersStack drawersStack = new JFXDrawersStack();
    drawersStack.setContent(content);

    leftDrawer.setId(LEFT);
    rightDrawer.setId(RIGHT);
    bottomDrawer.setId(BOTTOM);
    topDrawer.setId(TOP);

    leftButton.addEventHandler(MOUSE_PRESSED, e -> drawersStack.toggle(leftDrawer));
    bottomButton.addEventHandler(MOUSE_PRESSED, e -> drawersStack.toggle(bottomDrawer));
    rightButton.addEventHandler(MOUSE_PRESSED, e -> drawersStack.toggle(rightDrawer));
    topButton.addEventHandler(MOUSE_PRESSED, e -> drawersStack.toggle(topDrawer));


    final Scene scene = new Scene(drawersStack, 800, 800);
    final ObservableList<String> stylesheets = scene.getStylesheets();
    stylesheets.addAll(DrawerDemo.class.getResource("/css/jfoenix-components.css").toExternalForm(),
                       DrawerDemo.class.getResource("/css/jfoenix-design.css").toExternalForm());

    stage.setTitle("JFX Drawer Demo");
    stage.setScene(scene);
    stage.setResizable(true);
    stage.show();
}