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* Function that jumps to an entry with a certain CUSTOM_ID
@ 2015-03-31 16:36 Christoph LANGE
  2015-03-31 19:55 ` Nicolas Goaziou
  2015-04-06 18:16 ` Leo Ufimtsev
  0 siblings, 2 replies; 5+ messages in thread
From: Christoph LANGE @ 2015-03-31 16:36 UTC (permalink / raw)
  To: emacs-orgmode

Hi all,

the following function has served me well for a few years, so I thought 
I'd share it.  I would even be happy to contribute it to the codebase of 
org-mode (core or contrib); however in this case someone would have to 
point me to a fool-proof guide for how to do this.  I know that for 
contributing code I will have to sign some FSF copyright forms, and I 
know how to use git, but I don't know the exact org-mode specific steps 
of doing so.

--- %< --- %< --- %< --- %< --- %< --- %< --- %< --- %< --- %< --- %< ---
(defun org-jump-to-id ()
   "Asks for an identifier and searches for the first entry in the 
current file that has this identifier as a CUSTOM_ID property."
   (interactive)
   (let* ((property "CUSTOM_ID")
          (custom-id (org-icompleting-read "CUSTOM_ID of entry: "
                                           (mapcar 'list 
(org-property-values property)))))
       (org-link-search (concat "#" custom-id))))

(define-key org-mode-map (kbd "\C-cj") 'org-jump-to-id)
--- %< --- %< --- %< --- %< --- %< --- %< --- %< --- %< --- %< --- %< ---

This implementation works efficiently in a 4 MB org file with 100 IDs. 
Together with ido or helm I find it a very user-friendly way of jumping 
to frequently used headlines.

I noticed that org-babel-ref-goto-headline-id does something similar, so 
maybe some code could be shared among the two functions.

Cheers,

Christoph

-- 
Dr. Christoph Lange, Enterprise Information Systems Department
Applied Computer Science @ University of Bonn; Fraunhofer IAIS
http://langec.wordpress.com/about, Skype duke4701

→ Semantic Publishing Challenge: Assessing the Quality of Scientific Output
   ESWC, 31 May–4 June 2014, Portorož, Slovenia. 
https://tinyurl.com/SPChallenge15
   Submission deadline 27 March (abstracts: 20 March)

^ permalink raw reply	[flat|nested] 5+ messages in thread

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-- links below jump to the message on this page --
2015-03-31 16:36 Function that jumps to an entry with a certain CUSTOM_ID Christoph LANGE
2015-03-31 19:55 ` Nicolas Goaziou
2015-03-31 20:59   ` Christoph Lange
2015-04-01 20:21     ` Nicolas Goaziou
2015-04-06 18:16 ` Leo Ufimtsev

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