* Custom link type that attaches file in :follow
@ 2021-04-12 7:39 Tarjei Bærland via General discussions about Org-mode.
2021-04-12 9:52 ` Nicolas Goaziou
0 siblings, 1 reply; 2+ messages in thread
From: Tarjei Bærland via General discussions about Org-mode. @ 2021-04-12 7:39 UTC (permalink / raw)
To: emacs-orgmode
Hi!
I am having some trouble adding a link via =org-link-set-parameters=.
I want to have a custom =xournalpp=-link type that behaves as follows:
- follow :: Open attached file
- exists :: open the file
- don't exist :: create attachment directory and copy template file into it
- export :: Use [[https://xournalpp.github.io/][Xournalpp]] to export the file as an svg. Inline this svg.
#+begin_src emacs-lisp
(org-link-set-parameters
"xournalpp"
:follow (lambda (path)
(let ((xoppfile (concat (org-attach-dir-get-create) "/" path))
(template "/home/tarjei/repos/konturer/maler/skisse.xopp"))
(cond ((not (file-exists-p xoppfile)) (copy-file template xoppfile)))
(org-attach-sync)
(shell-command (format "xournalpp %s" xoppfile))))
:export (lambda (path desc backend)
(let ((xoppfile (concat (org-attach-dir-get-create) "/" path))
(tempfile "/home/tarjei/temp/xournal_export.svg"))
(shell-command (format "xournalpp --create-img %s %s" tempfile xoppfile))
(with-temp-buffer
(insert-file tempfile)
(buffer-string)))))
#+end_src
Something seems to go wrong during the export, however, where a new attachment directory is created. Is my assumption that the export will run with =point= at the link incorrect?
All other feedback on the implementation would be much appreciated, I seem to repeat myself way more than should be necessary.
Regards,
Tarjei Bærland
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Custom link type that attaches file in :follow
2021-04-12 7:39 Custom link type that attaches file in :follow Tarjei Bærland via General discussions about Org-mode.
@ 2021-04-12 9:52 ` Nicolas Goaziou
0 siblings, 0 replies; 2+ messages in thread
From: Nicolas Goaziou @ 2021-04-12 9:52 UTC (permalink / raw)
To: Tarjei Bærland via General discussions about Org-mode.
Cc: Tarjei Bærland
Hello,
Tarjei Bærland writes:
> Something seems to go wrong during the export, however, where a new
> attachment directory is created. Is my assumption that the export will
> run with =point= at the link incorrect?
Yes, this assumption is incorrect. The export process operates on
a parse tree, and doesn't need to move point at all. Current buffer is
not even the original buffer.
You may use hooks that are run before parsing happens, i.e.,
`org-export-before-parsing-hook' and `org-export-before-processing-hook.
I didn't look at your export function, so take my advice with a grain of
salt.
Regards,
--
Nicolas Goaziou
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-04-12 7:39 Custom link type that attaches file in :follow Tarjei Bærland via General discussions about Org-mode.
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