public void addItem(Item item, Rect4f rect) {
items.put(rect, item);
itemRects.put(item, rect);
// cause bounding box to be recomputed
_bounding_box = null;
}
public Iterator<Item> iterator() {
final Iterator<Item> myItr = itemRects.keySet().iterator();
return new Iterator<Item>() {
public boolean hasNext() {
return myItr.hasNext();
}
public Item next() {
return myItr.next();
}
public void remove() {
throw new UnsupportedOperationException();
}
};
}
public Rect4f getItemRect(Item item) {
Rect4f rect = itemRects.get(item);
if (rect != null) return rect;
else throw new NoSuchElementException(item.toString());
}
public void clear() {
items.clear();
itemRects.clear();
_bounding_box = null;
}