[Libreoffice-bugs] [Bug 70977] Saving with Chart active is confusing and can lead to data loss in an unsaved spreadsheet , because flag Modified is set to false

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=70977

--- Comment #14 from Jean-Francois Nifenecker <jean-francois.nifenecker at laposte.net> ---
Confirmed.

I add some more information about usability.

Another problem having to see with this one and that occurred today to a user:
1. she created the chart within an existing ods
2. she then saved while the chart was selected.
3. As discussed, LibreOffice asks to save (as odc).
4. She sees the "odc" thing then changes it manually to "ods" so that the
underlying calc spreadsheet be saved
5. She confirms the replacement message ("of course I want to update my ods!")
6. The save process completes and she closes the document.

-> When opening it back, surprise! It's the odc (made-up to ods by herself
unknowingly) which appears.

The original ods is gone and unrecoverable: the .bak in the backup directory is
also the made-up odc.

Clearly, to me, to the data loss possibility, there's a usability problem here.
Most people don't know anything about what an odc is. They think they did
something wrong then want to correct manually, thus defeating the software
original intend.

I think some kind of *very* clear message should be displayed in this situation
so that the user can realize what is at stake.

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