private DoubleBinding createYPositionBinding(StackPane track, ScrollBar scrollBar) {
Callable<Double> getY =
() -> {
double height = track.getLayoutBounds().getHeight();
return scalePosition(position.get(), height, scrollBar);
};
return Bindings.createDoubleBinding(
getY,
position,
alignment,
thickness,
track.layoutBoundsProperty(),
scrollBar.minProperty(),
scrollBar.maxProperty());
}
private DoubleBinding createXPositionBinding(StackPane track, ScrollBar scrollBar) {
Callable<Double> getX =
() -> {
double width = track.getLayoutBounds().getWidth();
return scalePosition(position.get(), width, scrollBar);
};
return Bindings.createDoubleBinding(
getX,
position,
alignment,
thickness,
track.layoutBoundsProperty(),
scrollBar.minProperty(),
scrollBar.maxProperty());
}