How to use

valueProperty

method

in

javafx.scene.control.ScrollBar

if (n2 instanceof ScrollBar) {
  final ScrollBar bar2 = (ScrollBar) n2;
  bar1.valueProperty().bindBidirectional(bar2.valueProperty());

ObservableList<String> names = FXCollections.observableArrayList("1","2","3","4","5","6","7");
 final ListView<String> listView = new ListView<String>(names);
 stage.setOnShown(new EventHandler<WindowEvent>(){
   boolean hasRun = false;
   @Override
   public void handle(WindowEvent arg0) {
     if(!hasRun){
       for (Node node: listView.lookupAll(".scroll-bar")) {
         if (node instanceof ScrollBar) {
           final ScrollBar bar = (ScrollBar) node;
           bar.valueProperty().addListener(new ChangeListener<Number>() {
             @Override public void changed(ObservableValue<? extends Number> value, Number oldValue, Number newValue) {
               System.out.println(bar.getOrientation() + " " + newValue);
             }
           });
         }
       }
       hasRun = true;
     }
   }});

scrollBar.valueProperty().bindBidirectional(scrollBar1.valueProperty());
scrollBar.valueProperty().bindBidirectional(scrollBar2.valueProperty());

 ScrollBar bar = new ScrollBar();
VBox box = new VBox();

box.layoutYProperty().bind(bar.valueProperty());

bar.valueProperty().addListener((src, ov, nv) -> {
  LOG.info("change on value " + nv);
  if (nv.doubleValue() == 1.) {

if (n2 instanceof ScrollBar) {
  final ScrollBar bar2 = (ScrollBar) n2;
  bar1.valueProperty().bindBidirectional(bar2.valueProperty());

ScrollBar sb1 = (ScrollBar) lineNumbers.lookup(".scroll-bar:vertical");
ScrollBar sb2 = (ScrollBar) text.lookup(".scroll-bar:vertical");
sb1.valueProperty().bindBidirectional(sb2.valueProperty());

public AquaScrollBarSkin(ScrollBar scrollBar) {
  super(scrollBar);
  if (getNode().getParent() instanceof ScrollPane) {
    fadeable = true;
  }
  scrollBar.setVisible(!fadeable);
  registerChangeListener(scrollBar.hoverProperty(), "HOVER");
  registerChangeListener(scrollBar.valueProperty(), "VALUE");
  registerChangeListener(scrollBar.visibleProperty(), "VISIBLE");
}

 @Override
public void start(Stage primaryStage) {
  ScrollBar scrollBar = new ScrollBar();
  scrollBar.setOrientation(Orientation.VERTICAL);

  scrollBar.setMax(100);
  scrollBar.setVisibleAmount(50);
  scrollBar.valueProperty().addListener((a,b,c) -> System.out.println(c));

  StackPane root = new StackPane();
  root.getChildren().add(scrollBar);

  Scene scene = new Scene(root, 200, 500);

  // do layout
  root.applyCss();
  root.layout();

  ScrollBarMark mark1 = new ScrollBarMark();
  ScrollBarMark mark2 = new ScrollBarMark();
  mark1.attach(scrollBar);
  mark2.attach(scrollBar);
  mark1.setPosition(50);
  mark2.setPosition(75);

  primaryStage.setScene(scene);
  primaryStage.show();
}

draw(canvas, scrollBar.getValue());
scrollBar.valueProperty().addListener(new ChangeListener<Number>() {
  @Override
  public void changed(ObservableValue<? extends Number> ov,

public void bind(ScrollBar bar) {
  bar.minProperty().bind(this.min);
  bar.maxProperty().bind(this.max);
  bar.visibleAmountProperty().bind(this.contentAreaHeight.divide(this.contentHeight.divide(this.max)));
  bar.valueProperty().bindBidirectional(this.offset);
  recomputeAll();
}

verticalBar.valueProperty().addListener((obs, oldValue, newValue) -> {
  if (newValue.doubleValue() >= verticalBar.getMax()) {
    addMoreData(table, 20);

sc.valueProperty().addListener(new ChangeListener<Number>() {
  public void changed(ObservableValue<? extends Number> ov,
      Number old_val, Number new_val) {

if (newStatus == Animation.Status.RUNNING) {
  scrollBar.setDisable(true);
  scrollBar.valueProperty().bind(scrollValueBinding);
} else if (oldStatus == Animation.Status.RUNNING) {
  scrollBar.setDisable(false);
  scrollBar.valueProperty().unbind();

tableViewScrollBar.valueProperty().addListener(new ChangeListener<Number>() {
  @Override
  public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {

public void bindHorizontalScrollbar(ScrollBar bar) {
  bar.setMin(0);
  DoubleBinding max = this.contentBody.widthProperty().subtract(widthProperty());
  DoubleBinding factor = this.contentBody.widthProperty().divide(max);
  bar.maxProperty().bind(this.contentBody.widthProperty().divide(factor));
  bar.visibleAmountProperty().bind(widthProperty().divide(factor));
  this.offsetX.bind(bar.valueProperty());
}

vScrollBar.maxProperty().bind(scrollPane.vmaxProperty());
vScrollBar.visibleAmountProperty().bind(scrollPane.heightProperty().divide(pane.heightProperty()));
scrollPane.vvalueProperty().bindBidirectional(vScrollBar.valueProperty());
hScrollBar.maxProperty().bind(scrollPane.hmaxProperty());
hScrollBar.visibleAmountProperty().bind(scrollPane.widthProperty().divide(pane.heightProperty()));
scrollPane.hvalueProperty().bindBidirectional(hScrollBar.valueProperty());

public TPSChart() {
  final NumberAxis yAxis = new NumberAxis();
  this.xAxis = new NumberAxis( 0, 512, 1000 );
  this.xAxis.setAutoRanging( false );
  this.chart = new LineChart<>( xAxis, yAxis );
  this.chart.setAnimated( false );
  this.chart.setCreateSymbols( false );
  this.chart.setLegendVisible( false );
  this.fullTimeSeries = new XYChart.Series<>();
  this.actualTimeSeries = new XYChart.Series<>();
  this.averageTimeSeries = new XYChart.Series<>();
  this.scrollBar = new ScrollBar();
  this.scrollBar.valueProperty().addListener( new ChangeListener<Number>() {
    @Override
    public void changed( ObservableValue<? extends Number> observable, Number oldValue, Number newValue ) {
      currentDataStart = (int) ( newValue.floatValue() * ( TimeUnit.SECONDS.toNanos( 1 ) / tickNanos ) * 60 );
      updateChart();
    }
  } );
}

    .orElseConst(0.0)
    .asVar(this::setVPosition);
hbarValue = Var.doubleVar(hbar.valueProperty());
vbarValue = Var.doubleVar(vbar.valueProperty());
Bindings.bindBidirectional(hbarValue, hPosEstimate);
Bindings.bindBidirectional(vbarValue, vPosEstimate);