/**
* After this method has been executed the caller knows that any installed annotation hover has
* been installed.
*/
protected void ensureAnnotationHoverManagerInstalled() {
if (fVerticalRuler != null
&& (fAnnotationHover != null || !isVerticalRulerOnlyShowingAnnotations())
&& fVerticalRulerHoveringController == null
&& fHoverControlCreator != null) {
fVerticalRulerHoveringController =
new AnnotationBarHoverManager(
fVerticalRuler, this, fAnnotationHover, fHoverControlCreator);
fVerticalRulerHoveringController.install(fVerticalRuler.getControl());
fVerticalRulerHoveringController
.getInternalAccessor()
.setInformationControlReplacer(new StickyHoverManager(this));
}
}
