删除index.html GWT

Question

Hy , I am creating an login/logout system with GWT. User is prompted with index.html , enters user , pass , server verify`s it and sands back true or false , this part is done and working. Now i am creating a widget for an administration part. If the response is true i would like to send him to administration widget , i created that too , and works. The problem is that the login screen does not disappear when i use

  RootPanel.get().add(widget);

And i would like to "hide" all the login part...

Answer 1

为什么不能将所有登录内容都包裹在一个巨大的div ，让GWT添加一种样式，该样式在登录成功后display:none ？

Answer 2

Widgets will be in the DOM until detached (removed). You'll need to manually remove the widget. Adding another widget will not remove the preceding widget.

RootPanel.get().remove(myWidget);

Or add a class to it:

myWidgetInstantiation.getStyle().setVisible(VISIBILITY.Hidden);

Answer 3

Read this: Multiple pages tutorial in Google Web Toolkit (GWT)

It goes over how to have multiple "pages" within the context of GWT. The guide is a little out of date but should help move in the right direction.