//SingleElementNode holder = parent.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);
holder.setZIndex(++zIndex);
holder.setKey(e.getHint(ElementHints.KEY_OBJECT));
//SingleElementNode holder = parent.getOrCreateNode(ElementUtils.generateNodeId(e), SingleElementNode.class);
holder.setZIndex(++zIndex);
holder.setKey(e.getHint(ElementHints.KEY_OBJECT));