Creates a new TreeView overriding layoutChildren method from JavaFX's TreeView.
An EventType that indicates some edit event has occurred.
An EventType used to indicate that an edit event has just been canceled within the TreeView upon which the event was fired.
An EventType that is used to indicate that an edit in a TreeView has been committed.
An EventType used to indicate that an edit event has started within the TreeView upon which the event was fired.
Returns the number of levels of 'indentation' of the given TreeItem, based on how many times getParent() can be recursively called.