Exemplo n.º 1
0
  @Override
  protected void updateItem(T item, boolean empty) {
    super.updateItem(item, empty);

    if (empty) {
      setText(null);
      setGraphic(null);
    } else if (item instanceof Node) {
      setText(null);
      Node currentNode = getGraphic();
      Node newNode = (Node) item;
      if (currentNode == null || !currentNode.equals(newNode)) {
        setGraphic(newNode);
      }
    } else {
      setText(itemToString(item));
      setGraphic(null);
    }
  }