Proposal to remove 'final' modifier for 
PagingNavigationIncrementLink.getPageNumber()
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                 Key: WICKET-1210
                 URL: https://issues.apache.org/jira/browse/WICKET-1210
             Project: Wicket
          Issue Type: Wish
          Components: wicket
    Affects Versions: 1.3.0-rc1
            Reporter: Thomas Jaeckle
            Priority: Minor


I wish to add a special behaviour to 
"PagingNavigationIncrementLink.getPageNumber()", which is final:
http://www.nabble.com/PagingNavigationIncrementLink-special-behaviour-tf4935583.html

Short: I extended "PagingNavigationIncrementLink.onClick()" so that more data 
is loaded from a service. After that I still want that the Page is changed, so 
I call "pageable.setCurrentPage(getPageNumber());".
The "return Math.max(0, Math.min(pageable.getPageCount() - 1, idx));" breaks my 
neck because "pageable.getPageCount()" is missing the new added Page.

It would be very helpful if PagingNavigationIncrementLink.getPageNumber() would 
not be final.

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