禁用TreeItem的默认展开/折叠，双击JavaFX 2.2开发者社区

class TreeMouseEventDispatcher implements EventDispatcher {
    private final EventDispatcher originalDispatcher;
    public TreeMouseEventDispatcher(EventDispatcher originalDispatcher) {
      this.originalDispatcher = originalDispatcher;
    @Override
    public Event dispatchEvent(Event event, EventDispatchChain tail) {
        if (event instanceof MouseEvent) {
           if (((MouseEvent) event).getButton() == MouseButton.PRIMARY
               && ((MouseEvent) event).getClickCount() >= 2) {
             if (!event.isConsumed()) {
               // Implement your double-click behavior here, even your
               // MouseEvent handlers will be ignored, i.e., the event consumed!
             event.consume();
        return originalDispatcher.dispatchEvent(event, tail);
}

treeView.setCellFactory(new Callback<TreeView<T>, TreeCell<T>>() {
  @Override
  public TreeCell<T> call(TreeView<T> param) {
    return new TreeCell<T>() {
      @Override
      protected void updateItem(T item, boolean empty) {
        if (item != null && !empty) {
          EventDispatcher originalDispatcher = getEventDispatcher();
          setEventDispatcher(new TreeMouseEventDispatcher(originalDispatcher));
}

node.addEventHandler(MouseEvent.ANY, event -> {
    if (event.getClickCount() == 2 && event.getButton().equals(MouseButton.PRIMARY)) {
        if (event.getEventType().equals(MouseEvent.MOUSE_CLICKED)) {

推荐文章

面冷心慈的饭盒 · 单义带队考察四川遂宁天齐锂业有限公司-政务要闻-朝阳市人民政府

3 月前

憨厚的烈酒 · 【传说中的】神父受胎！！！高能！慎入！_哔哩哔哩_bilibili

7 月前

从容的香蕉 · （产业研究）锂电池行业发展现状与未来趋势-宣城市人民政府

1 年前

痴情的雪糕 · 在杭州第十四中学（凤起校区）就读是一种怎样的体验？ - 知乎

1 年前

奔跑的哑铃 · 湖南大学刘继磊课题组招聘电化学方向博士后 - 加入我们 - 清洁能源材料及技术国际联合实验室

1 年前

问 禁用TreeItem的默认展开/折叠，双击JavaFX 2.2 EN

回答 2

Stack Overflow用户

Stack Overflow用户