LeakDetector.java 文件源码

public LeakDetector(Scene... scenes) {
    registerListenerOnSceneRoot(scenes[0]);

    map.addListener(((MapChangeListener<WeakRef<Node>, TreeItem<WeakRef<Node>>>) c -> {
      if (c.wasAdded()) {
          // add TreeItem to root if the node has no parent (else append to TreeItem of parent) 
          if(getParent(c.getKey()) == null) {
              appendTreeItemToRoot(c.getValueAdded());
          } else {
              addParentOfNode(c.getKey(), c.getValueAdded());
          }
      }

      if(c.wasRemoved()) {
          // remove also TreeItem if node was removed from map
          Platform.runLater(() -> {
              rootItem.getChildren().remove(c.getValueRemoved());
          }); 
      }
    }));
}