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List:       koffice-devel
Subject:    new dependency (Re: koffice/kspread)
From:       Ariya Hidayat <ariya () kde ! org>
Date:       2004-09-27 17:12:00
Message-ID: 415849E0.8060400 () kde ! org
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> Activated the new dependency manager, making all necessary changes in relevant
> classes, and got rid of the old dependency handling system.

Well done ! We'll get more and more memory efficient :-P

> Dependency updating seems to be working correctly now - hence closing
> bug 80038 (automatic recalc not working reliably). Some more testing
> would be handy though...

I had only experienced problem with intersheet dependencies (e.g A10 in 
Sheet2 is "=Sheet1!A1"). F9 will recalculate them correctly. I think 
this may be solved easily.

Also, Tomas, do you have plan to offer a function which allows 
retrieving all dependents of a given cell? I plan to make a tester for 
dependency manager (since we have the test framework ready) if you don't 
have plan to do so.

I remember also that inserting and deleting columns/rows means that we 
need to adjust formulas. AFAICS Phillip did a hack, iterating all cells 
and check if it refer to such columns/rows. If OTOH the dependency 
manager can give cells/ranges which have reference to a given range, 
than we can fix that hack. This is I believe also quite a step to have a 
solution to the wrong reference in cut/paste (bug #58094).

One last idea: a quick look on this class shows that some functions can 
be placed in the DependencyList (i.e. the d-pointer trick again).

Best regards,

Ariya Hidayat
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