Graphics with JavaFX - Java 8 Recipes - page 652

// padding adjustment slider
GridPane.setHalignment(gridPaddingLeftSlider,
HPos.LEFT);
add(gridPaddingLeftSlider, 1, 2);
// Horizontal gap
Label gridHGapLbl = new Label("Horizontal Gap");
final Slider gridHGapSlider = new Slider();
gridHGapSlider.setMin(0);
gridHGapSlider.setMax(100);
gridHGapSlider.setValue(5);
gridHGapSlider.setShowTickLabels(true);
gridHGapSlider.setShowTickMarks(true);
gridHGapSlider.setMinorTickCount(1);
gridHGapSlider.setBlockIncrement(5);
gridHGapSlider.valueProperty().addListener((ObservableValue<?
extends Number> ov,
Number oldVal, Number newVal) -> {
targetGridPane.setHgap((double) newVal);
});
// hgap label
GridPane.setHalignment(gridHGapLbl, HPos.RIGHT);
add(gridHGapLbl, 0, 3);
// hgap slider
GridPane.setHalignment(gridHGapSlider, HPos.LEFT);
add(gridHGapSlider, 1, 3);
// Vertical gap
Label gridVGapLbl = new Label("Vertical Gap");
final Slider gridVGapSlider = new Slider();
gridVGapSlider.setMin(0);
gridVGapSlider.setMax(100);