protected void onScrollerIn(El t) {
boolean top = t.is(".x-menu-scroller-top");
if (top
? ul.getScrollTop() > 0
: ul.getScrollTop() + activeMax < ul.dom.getPropertyInt("scrollHeight")) {
t.addStyleName("x-menu-item-active", "x-menu-scroller-active");
}
}
@SuppressWarnings("rawtypes")
@Override
public void handleComponentEvent(GridEvent ge) {
super.handleComponentEvent(ge);
int type = ge.getEventTypeInt();
Element target = ge.getTarget();
if (!ignoreScroll && (type == Event.ONSCROLL && liveScroller.dom.isOrHasChild(target))
|| (type == Event.ONMOUSEWHEEL && mainBody.dom.isOrHasChild(target))) {
ge.stopEvent();
if (type == Event.ONMOUSEWHEEL) {
int v = ge.getEvent().getMouseWheelVelocityY() * getCalculatedRowHeight();
liveScroller.setScrollTop(liveScroller.getScrollTop() + v);
} else {
updateRows(
(int) Math.ceil((double) liveScroller.getScrollTop() / getCalculatedRowHeight()),
false);
}
}
}
protected void onScroll(ClickRepeaterEvent ce) {
El target = ce.getEl();
boolean top = target.is(".x-menu-scroller-top");
scrollMenu(top);
if (top
? ul.getScrollTop() <= 0
: ul.getScrollTop() + activeMax >= ul.dom.getPropertyInt("scrollHeight")) {
onScrollerOut(target);
}
}
protected void scrollMenu(boolean top) {
ul.setScrollTop(ul.getScrollTop() + scrollIncrement * (top ? -1 : 1));
}
@Override
protected void notifyShow() {
super.notifyShow();
updateRows(
(int) Math.ceil((double) liveScroller.getScrollTop() / getCalculatedRowHeight()), true);
}