Stunner tooltips

gistfile1.txt

final Rectangle r = new Rectangle(10, 10);
r.setY(10.0).setX(x).setFillColor(ColorName.AQUAMARINE).setEventPropagationMode(EventPropagationMode.NO_ANCESTORS);

final PrimitiveTextTooltip tooltip = (PrimitiveTextTooltip) TooltipFactory.INSTANCE.forItem(definition.getName()).forComputedBoundingBox(r::getBoundingBox);
r.addNodeMouseEnterHandler((event) -> {
  tooltip.show();
  GWT.log("show tooltip");
});
r.addNodeMouseExitHandler((event) -> {
  tooltip.hide();
  GWT.log("hide tooltip");
});
r.addNodeMouseClickHandler((event) -> Window.alert(definition.getName()));