public MenuItem add(MenuItem item) {
items.add(item);
/*
* Add this item to the zSortedList and re-sort.
*/
zSortedItems.add(item);
zSort();
/*
* Set the sub-item's parent to this item, and its menu to our menu.
*/
item.setParent(this);
// item.setMenu(menu);
/*
* Layout the entire menu so things look nice.
*/
if (menu != null) menu.layout();
return item;
}
/** Draws this MenuItem to the current root menu's PGraphics object. */
public synchronized void draw() {
if (hidden) return;
drawMyself();
if (!isOpen()) return;
if (needsZSort) {
zSort();
needsZSort = false;
}
/*
* Here's where the zSorted items come in handy. Draw items in order of
* the zSortedItems list, so that items on "top" (i.e. with the lowest z
* value) draw last.
*/
drawBefore();
for (int i = 0; i < zSortedItems.size(); i++) {
MenuItem seg = (MenuItem) zSortedItems.get(i);
seg.draw();
}
drawAfter();
drawnOnce = true;
}
public void remove(MenuItem item) {
items.remove(item);
zSortedItems.remove(item);
zSort();
if (menu != null) menu.layout();
}