[Libreoffice-ux-advise] [Bug 101123] Writer Table Split Merged Cell - Enhancement request "Undo merge"

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=101123

--- Comment #12 from Regina Henschel <rb.henschel at t-online.de> ---
Created attachment 148517
  --> https://bugs.documentfoundation.org/attachment.cgi?id=148517&action=edit
Example with merged cells and explanation

(In reply to Heiko Tietze from comment #10)
> Summarizing, the request is to split merged cells. It's not about undoing
> the merge.

Indeed it is not about "undo", because the previous content of the now covered
cell cannot be reconstructed. The request is to restore the previous table
structure.

> 
> (In reply to Regina Henschel from comment #8)
> > The merged cell contains the information, how many rows and columns it spans.
> Could you please elaborate this? Let's say I start with a table with 6
> columns and merge a) 3 and 3 first and subsequently the 2 or b) all 6 at
> once. How is the original table layout stored?

If you start with a 6col,2row table and then merge A1,B1,C1 and merge D1,E1,F1
and after that merge the two merged cells, you get the same as merging
A1,B1,C1,D1,E1,F1 immediately.

The attached file contains an example, how the file source looks for merged
cells.

> 
> If there is no clear information about the previous table layout I would not
> implement a single-click-split function. Not even talking about the previous
> formatting/style.

The file format is clear about the structure.

I see a need for such feature, because it cannot be done via API. At least I
have not found it. But the file source has this information, thus I conclude,
that the information is available in core. And then it should be used.

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