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[O] template, position search

From: Petro
Subject: [O] template, position search
Date: Fri, 12 Oct 2012 15:44:55 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

Hi list,

I am developing a template, which will enable me to group notes about
one article together. It is my first attempt of elisp programming and I
have some difficulties.
In the first version my plan if to bind notes to a file name. (Later when
I make it working I plan to combine it with ebib but there is a long way
to go.)

* Articles
** /home/article1.pdf
*** note1
*** note2
** /home/article2.pdf
*** note1
*** note2

I open a article1.pdf file in emacs, run org-capture command and choose the
following template:
("a" "article note" entry (file+function "~/org/scientific_notes.org" 
             "*** test %?\nEntered on %U\n" )
The find-create-article-note-location function scans the org file for an
entry "** /home/article1.pdf" and moves cursor below it. If there is no such 
entry then it is
created. Bellow is my attempt to implement it.
I do not know how to send an article filename to the
find-create-article-note-location function.
Once executed it creates  this headline and places the note bellow it.
** /home/petro/org/scientific_notes.org
*** note1
I would appreciate a hint how to make this function aware of the pdf
file name.


----------------- code-------------------------------------------------------
;; templates
(setq org-capture-templates
      '(("t" "Todo" entry (file+headline "~/org/tasks.org" "Tasks")
             "* TODO %?\n  %i\n  %a")
        ("n" "Note" entry (file+datetree "~/org/notes.org")
             "* %?\nEntered on %U\n  %i\n  %a")
        ("a" "article note" entry (file+function "~/org/scientific_notes.org" 
             "*** test %?\nEntered on %U\n" )

;; org-mode functions
(defun find-create-article-note-location ()
  "Find a place to put an annotation note from pdf file"
  (defvar article-to-note buffer-file-name)
  (goto-char (point-min)) ;; go to the top of the file
  (if (search-forward (concat "** " article-to-note) nil t)
(defun go-to-note-place()
  "Move cursor to the top of an article notes "
  (goto-char (point-min))
  (re-search-forward (concat "** " article-to-note) nil t)
  (newline 2))
(defun create-place-for-note() 
  "Create place for notes"
  (goto-char (point-min))
  (re-search-forward (concat "* Articles") nil t)
  (newline 2)
  (insert (concat "** " article-to-note))
  (newline 2)

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