@Override
protected double computePrefHeight(double width) {
final double top = snappedTopInset();
final double bottom = snappedBottomInset();
final double ah = snapSize(arrow.prefHeight(-1));
return top + ah + bottom;
}
@Override
protected void layoutChildren() {
final double top = snappedTopInset();
final double left = snappedLeftInset();
final double bottom = snappedBottomInset();
final double right = snappedRightInset();
final double aw = snapSize(arrow.prefWidth(-1));
final double ah = snapSize(arrow.prefHeight(-1));
final double yPos = snapPosition((getHeight() - (top + bottom + ah)) / 2.0);
final double xPos = snapPosition((getWidth() - (left + right + aw)) / 2.0);
arrow.resizeRelocate(xPos + left, yPos + top, aw, ah);
}
@Override
protected double computePrefHeight(double width) {
double h = 0;
for (Node child : getChildren()) {
if (child instanceof Region) {
Region region = (Region) child;
if (region.getShape() != null) {
h = Math.max(h, region.getShape().getLayoutBounds().getMaxY());
} else {
h = Math.max(h, region.prefHeight(width));
}
}
}
return h;
}