Check for dirty (Uncommitted) data of current view port (page) on a button click or any event in ADF

Sometimes we need to check for uncommitted data on page and perform actions according to that, Suppose there is a button to navigate to another page but only if there is no uncommitted data in current page
We can use uncommitted data warning property of af:document to show an alert dialog but in that way, we can't execute our custom logic

Previously I have posted about checking dirty data of a transactional data control but in that, we need to check that for each data control separately that is rendering on page

Uncommitted/Unsaved Data Warning on page Navigation-Oracle ADF

When we visit some websites and try to close browser tab, it shows warning message like this image

 

To do this in Oracle ADF you have to do nothing complex, if you are using .jspx then it is so simple.


1. Select af:document from page structure and go to property inspector, now Set UncommitedDataWarning to on.
   
   
   
   
    
   Now when you have uncommitted data in your page and you want to navigate yo other page or want to close same page it will show a message
   
   
   When Navigate to another page and page has Uncommitted Data-
   
   
   
   
   
   
    
   When try to close tab and page has Uncommitted Data-