/**
* Displays this menu at a specific xy position.
*
* @param x the x coordinate
* @param y the y coordinate
*/
public void showAt(int x, int y) {
MenuEvent me = new MenuEvent(this);
if (fireEvent(Events.BeforeShow, me)) {
RootPanel.get().add(this);
el().makePositionable(true);
onShow();
el().updateZIndex(0);
showing = true;
doAutoSize();
if (constrainViewport) {
Point p = el().adjustForConstraints(new Point(x, y));
x = p.x;
y = p.y;
}
setPagePosition(x + XDOM.getBodyScrollLeft(), y + XDOM.getBodyScrollTop());
if (enableScrolling) {
constrainScroll(y);
}
el().show();
eventPreview.add();
if (focusOnShow) {
focus();
}
fireEvent(Events.Show, me);
}
}
/**
* Displays this menu relative to another element.
*
* @param elem the element to align to
* @param pos the {@link El#alignTo} anchor position to use in aligning to the element (defaults
* to defaultAlign)
* @param offsets the menu align offsets
*/
public void show(Element elem, String pos, int[] offsets) {
MenuEvent me = new MenuEvent(this);
if (fireEvent(Events.BeforeShow, me)) {
RootPanel.get().add(this);
el().makePositionable(true);
onShow();
el().updateZIndex(0);
showing = true;
doAutoSize();
el().alignTo(elem, pos, offsets);
if (enableScrolling) {
constrainScroll(el().getY());
}
el().show();
eventPreview.add();
if (focusOnShow) {
focus();
}
fireEvent(Events.Show, me);
}
}
@Override
protected void onLayoutExcecuted(Layout layout) {
super.onLayoutExcecuted(layout);
doAutoSize();
}