有一个IEditorPartListener可以侦听编辑器是否为脏（表示未保存或不脏）已保存，您需要获取对IEditorPart的引用并添加正确的侦听器，而不是可以根据需要装饰导航器。

There is an IEditorPartListener that listens to if editor is "dirty" meaning unsaved or not dirty meaning saved you need to get a reference to the IEditorPart and add the correct listener than you can decorate you navigator as you please.