protected void constrainScroll(int y) {
int full = ul.setHeight("auto").getHeight();
int max = maxHeight != Style.DEFAULT ? maxHeight : (XDOM.getViewHeight(false) - y);
if (full > max && max > 0) {
activeMax = max - 10 - scrollerHeight * 2;
ul.setHeight(activeMax, true);
createScrollers();
} else {
ul.setHeight(full, true);
NodeList<Element> nodes = el().select(".x-menu-scroller");
for (int i = 0; i < nodes.getLength(); i++) {
fly(nodes.getItem(i)).hide();
}
}
ul.setScrollTop(0);
}
@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 scrollMenu(boolean top) {
ul.setScrollTop(ul.getScrollTop() + scrollIncrement * (top ? -1 : 1));
}
@Override
public void scrollToTop() {
liveScroller.setScrollTop(0);
}