I have been trying to solve the following bug: https://bugs.documentfoundation.org/show_bug.cgi?id=134191
The problem is due to the internal data table UI not dealing well with charts on "data in rows" mode. I don't think they can be created or configured in this mode with an internal provider, but it can happen if a chart is copied from Calc for example and the original data is converted to an internal data table. This "data in rows" mode causes issues in the label and categories management and the data table UI. However, before trying to improve it, I would like to see if we can simply remove it, as I see no benefits to it. Is it really useful? As I see it: * It adds quite a lot of complexity, with many "if( m_bDataInColumns ) ..." in the internal data provider * It is still pretty buggy, as shown by the bug above and other issues I found while digging around. If you copy charts like this from Calc to Writer and want to edit them, you're going to have a bad time. * It is useless: the data is internal and linked to the chart, so there is no real need to adapt to existing data and manage both orientations, the table can simply be transposed. Actually, it is already transposed when converting from a Calc chart, which makes it even more baffling On the other hand, it was added on purpose (more than 14 years ago so the history is not clear), so it must have been useful at some point? Or was it only planned? What do you think? Leyan
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