Jay Kamat <jaygkamat@gmail.com> writes:

> Hi,
>
> Currently, statistic cookies do not update when archiving headings. For
> example, when archiving the 'Two' header in the below example:
>
> * Top [50%]
> ** TODO One
> ** DONE Two
>
> The status cookie on 'Top' does not get set to [100%].
>
> I have attached a draft patch to add support for this. However, I think
> it needs a little bit more work.
>
> There are 3 archive methods, org-archive-subtree,
> org-archive-to-archive-sibling, and org-archive-set-tag.
>
> For org-archive-set-tag, setting the :ARCHIVE: tag does not seem to
> affect the status cookie, so I did not touch that.
>
> For org-archive-to-archive-sibling, I used the
> (org-update-parent-todo-statistics) function, which seems to work as
> expected.
>
> For org-archive-subtree, the solution I came up with is a little more
> complicated, to handle the edge case of archiving the last child
> header. In this case, 'parent' refers to the wrong (or non-existent)
> header, so I use a small function to call (org-up-heading-safe) on one
> header above point, which seems to work even for this edge case. I'm not
> entirely sure if it's the proper solution though.
>
> Let me know if you have any feedback!
>
> -Jay