Graphics with JavaFX - Java 8 Recipes - page 651

// padding adjustment slider
GridPane.setHalignment(gridPaddingSlider,
HPos.LEFT);
add(gridPaddingSlider, 1, 1);
// Setting padding [top]
Label gridPaddingLeftLbl = new Label("Left
Padding");
final Slider gridPaddingLeftSlider = new Slider();
gridPaddingLeftSlider.setMin(0);
gridPaddingLeftSlider.setMax(100);
gridPaddingLeftSlider.setValue(5);
gridPaddingLeftSlider.setShowTickLabels(true);
gridPaddingLeftSlider.setShowTickMarks(true);
gridPaddingLeftSlider.setMinorTickCount(1);
gridPaddingLeftSlider.setBlockIncrement(5);
gridPaddingLeftSlider.valueProperty().addListener((ObservableValue<?
extends Number> ov,
Number oldVal, Number newVal) -> {
double top1
= targetGridPane.getInsets().getTop();
double right1
= targetGridPane.getInsets().getRight();
double bottom1
= targetGridPane.getInsets().getBottom();
double left1
= targetGridPane.getInsets().getLeft();
Insets newInsets = new Insets(top1, right1,
bottom1, (double) newVal);
targetGridPane.setPadding(newInsets);
});
// padding adjustment label
GridPane.setHalignment(gridPaddingLeftLbl,
HPos.RIGHT);
add(gridPaddingLeftLbl, 0, 2);