[WD20] Table with Breaks - Recall Expand/Collapsed State

I have a table with breaks. I want to be able to reload the table data and then recall the expanded/collapsed state of each break. So if the user has breaks 1,3, and 7 expanded, when the table gets reloaded I would expand those 3 breaks. Any ideas? The only code event for the break is the initial displaying of rows.

I would also like to be able to double click the break header to expand/collapse, but I haven't been able to find a way. It's really annoying to have to find the 16px icon to click when the whole break row is there to double click.

Thanks!