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BeforeUnload

Easy way to add exit verification dialog to your Vaadin Application

Offers simple one line API to define verification dialog shown to user when user is trying to exit or reload page. Can be used to warn if user has any unsaved changes. When changes are save, you can disable dialog with simple one liner.

Sample code

... user does some changes ...

BeforeUnload.setExitVerification("You have some unsaved changes. Are you sure you want to exit?");

... changes are saved ...

BeforeUnload.unsetExitVerification();

Links

• Online Demo
• Issue Tracker
• Source Code
• Author Homepage

Compatibility