Custom links in the list of changes, testing
[org-mode.git] / lisp / org-list.el
blob86b5153c624ee86713ecdad90e6780a4fc4fcf9f
1 ;;; org-list.el --- Plain lists for Org-mode
2 ;;
3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
4 ;; Free Software Foundation, Inc.
5 ;;
6 ;; Author: Carsten Dominik <carsten at orgmode dot org>
7 ;; Bastien Guerry <bzg AT altern DOT org>
8 ;; Keywords: outlines, hypermedia, calendar, wp
9 ;; Homepage: http://orgmode.org
10 ;; Version: 6.26b
12 ;; This file is part of GNU Emacs.
14 ;; GNU Emacs is free software: you can redistribute it and/or modify
15 ;; it under the terms of the GNU General Public License as published by
16 ;; the Free Software Foundation, either version 3 of the License, or
17 ;; (at your option) any later version.
19 ;; GNU Emacs is distributed in the hope that it will be useful,
20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ;; GNU General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
26 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
28 ;;; Commentary:
30 ;; This file contains the code dealing with plain lists in Org-mode.
32 ;;; Code:
34 (require 'org-macs)
35 (require 'org-compat)
37 (defvar org-blank-before-new-entry)
38 (defvar org-M-RET-may-split-line)
40 (declare-function org-invisible-p "org" ())
41 (declare-function org-on-heading-p "org" (&optional invisible-ok))
42 (declare-function outline-next-heading "outline" ())
43 (declare-function outline-back-to-heading "outline" (&optional invisible-ok))
44 (declare-function org-back-to-heading "org" (&optional invisible-ok))
45 (declare-function org-back-over-empty-lines "org" ())
46 (declare-function org-skip-whitespace "org" ())
47 (declare-function org-trim "org" (s))
48 (declare-function org-get-indentation "org" (&optional line))
49 (declare-function org-timer-item "org-timer" (&optional arg))
50 (declare-function org-combine-plists "org" (&rest plists))
51 (declare-function org-entry-get "org" (pom property &optional inherit))
53 (defgroup org-plain-lists nil
54 "Options concerning plain lists in Org-mode."
55 :tag "Org Plain lists"
56 :group 'org-structure)
58 (defcustom org-cycle-include-plain-lists nil
59 "Non-nil means, include plain lists into visibility cycling.
60 This means that during cycling, plain list items will *temporarily* be
61 interpreted as outline headlines with a level given by 1000+i where i is the
62 indentation of the bullet. In all other operations, plain list items are
63 not seen as headlines. For example, you cannot assign a TODO keyword to
64 such an item."
65 :group 'org-plain-lists
66 :type 'boolean)
68 (defcustom org-plain-list-ordered-item-terminator t
69 "The character that makes a line with leading number an ordered list item.
70 Valid values are ?. and ?\). To get both terminators, use t. While
71 ?. may look nicer, it creates the danger that a line with leading
72 number may be incorrectly interpreted as an item. ?\) therefore is
73 the safe choice."
74 :group 'org-plain-lists
75 :type '(choice (const :tag "dot like in \"2.\"" ?.)
76 (const :tag "paren like in \"2)\"" ?\))
77 (const :tab "both" t)))
79 (defcustom org-list-two-spaces-after-bullet-regexp nil
80 "A regular expression matching bullets that should have 2 spaces after them.
81 When nil, no bullet will have two spaces after them.
82 When a string, it will be used as a regular expression. When the bullet
83 type of a list is changed, the new bullet type will be matched against this
84 regexp. If it matches, there will be two spaces instead of one after
85 the bullet in each item of he list."
86 :group 'org-plain-list
87 :type '(choice
88 (const :tag "never" nil)
89 (regexp)))
91 (defcustom org-empty-line-terminates-plain-lists nil
92 "Non-nil means, an empty line ends all plain list levels.
93 When nil, empty lines are part of the preceding item."
94 :group 'org-plain-lists
95 :type 'boolean)
97 (defcustom org-auto-renumber-ordered-lists t
98 "Non-nil means, automatically renumber ordered plain lists.
99 Renumbering happens when the sequence have been changed with
100 \\[org-shiftmetaup] or \\[org-shiftmetadown]. After other editing commands,
101 use \\[org-ctrl-c-ctrl-c] to trigger renumbering."
102 :group 'org-plain-lists
103 :type 'boolean)
105 (defcustom org-provide-checkbox-statistics t
106 "Non-nil means, update checkbox statistics after insert and toggle.
107 When this is set, checkbox statistics is updated each time you either insert
108 a new checkbox with \\[org-insert-todo-heading] or toggle a checkbox
109 with \\[org-ctrl-c-ctrl-c\\]."
110 :group 'org-plain-lists
111 :type 'boolean)
113 (defcustom org-description-max-indent 20
114 "Maximum indentation for the second line of a description list.
115 When the indentation would be larger than this, it will become
116 5 characters instead."
117 :group 'org-plain-lists
118 :type 'integer)
120 (defvar org-list-beginning-re
121 "^\\([ \t]*\\)\\([-+*]\\|[0-9]+[.)]\\) +\\(.*\\)$")
123 (defcustom org-list-radio-list-templates
124 '((latex-mode "% BEGIN RECEIVE ORGLST %n
125 % END RECEIVE ORGLST %n
126 \\begin{comment}
127 #+ORGLST: SEND %n org-list-to-latex
128 | | |
129 \\end{comment}\n")
130 (texinfo-mode "@c BEGIN RECEIVE ORGLST %n
131 @c END RECEIVE ORGLST %n
132 @ignore
133 #+ORGLST: SEND %n org-list-to-texinfo
134 | | |
135 @end ignore\n")
136 (html-mode "<!-- BEGIN RECEIVE ORGLST %n -->
137 <!-- END RECEIVE ORGLST %n -->
138 <!--
139 #+ORGLST: SEND %n org-list-to-html
140 | | |
141 -->\n"))
142 "Templates for radio lists in different major modes.
143 All occurrences of %n in a template will be replaced with the name of the
144 list, obtained by prompting the user."
145 :group 'org-plain-lists
146 :type '(repeat
147 (list (symbol :tag "Major mode")
148 (string :tag "Format"))))
150 ;;;; Plain list items, including checkboxes
152 ;;; Plain list items
154 (defun org-at-item-p ()
155 "Is point in a line starting a hand-formatted item?"
156 (let ((llt org-plain-list-ordered-item-terminator))
157 (save-excursion
158 (goto-char (point-at-bol))
159 (looking-at
160 (cond
161 ((eq llt t) "\\([ \t]*\\([-+]\\|\\([0-9]+[.)]\\)\\)\\|[ \t]+\\*\\)\\( \\|$\\)")
162 ((= llt ?.) "\\([ \t]*\\([-+]\\|\\([0-9]+\\.\\)\\)\\|[ \t]+\\*\\)\\( \\|$\\)")
163 ((= llt ?\)) "\\([ \t]*\\([-+]\\|\\([0-9]+))\\)\\|[ \t]+\\*\\)\\( \\|$\\)")
164 (t (error "Invalid value of `org-plain-list-ordered-item-terminator'")))))))
166 (defun org-at-item-bullet-p ()
167 "Is point at the bullet of a plain list item?"
168 (and (org-at-item-p)
169 (not (member (char-after) '(?\ ?\t)))
170 (< (point) (match-end 0))))
172 (defun org-in-item-p ()
173 "It the cursor inside a plain list item.
174 Does not have to be the first line."
175 (save-excursion
176 (condition-case nil
177 (progn
178 (org-beginning-of-item)
179 (org-at-item-p)
181 (error nil))))
183 (defun org-insert-item (&optional checkbox)
184 "Insert a new item at the current level.
185 Return t when things worked, nil when we are not in an item."
186 (when (save-excursion
187 (condition-case nil
188 (progn
189 (org-beginning-of-item)
190 (org-at-item-p)
191 (if (org-invisible-p) (error "Invisible item"))
193 (error nil)))
194 (let* ((bul (match-string 0))
195 (descp (save-excursion (goto-char (match-beginning 0))
196 (beginning-of-line 1)
197 (save-match-data
198 (and (looking-at "[ \t]*\\(.*?\\) ::")
199 (match-string 1)))))
200 (empty-line-p (save-excursion
201 (goto-char (match-beginning 0))
202 (and (not (bobp))
203 (or (beginning-of-line 0) t)
204 (save-match-data
205 (looking-at "[ \t]*$")))))
206 (timerp (and descp
207 (save-match-data
208 (string-match "^[-+*][ \t]+[0-9]+:[0-9]+:[0-9]+$"
209 descp))))
210 (eow (save-excursion (beginning-of-line 1) (looking-at "[ \t]*")
211 (match-end 0)))
212 (blank-a (if org-empty-line-terminates-plain-lists
214 (cdr (assq 'plain-list-item org-blank-before-new-entry))))
215 (blank (if (eq blank-a 'auto) empty-line-p blank-a))
216 pos)
217 (if descp (setq checkbox nil))
218 (if timerp
219 (progn (org-timer-item) t)
220 (cond
221 ((and (org-at-item-p) (<= (point) eow))
222 ;; before the bullet
223 (beginning-of-line 1)
224 (open-line (if blank 2 1)))
225 ((<= (point) eow)
226 (beginning-of-line 1))
228 (unless (org-get-alist-option org-M-RET-may-split-line 'item)
229 (end-of-line 1)
230 (delete-horizontal-space))
231 (newline (if blank 2 1))))
232 (insert bul
233 (if checkbox "[ ]" "")
234 (if descp (concat (if checkbox " " "")
235 (read-string "Term: ") " :: ") ""))
236 (just-one-space)
237 (setq pos (point))
238 (end-of-line 1)
239 (unless (= (point) pos) (just-one-space) (backward-delete-char 1)))
240 (org-maybe-renumber-ordered-list)
241 (and checkbox (org-update-checkbox-count-maybe))
242 t)))
244 ;;; Checkboxes
246 (defun org-at-item-checkbox-p ()
247 "Is point at a line starting a plain-list item with a checklet?"
248 (and (org-at-item-p)
249 (save-excursion
250 (goto-char (match-end 0))
251 (skip-chars-forward " \t")
252 (looking-at "\\[[- X]\\]"))))
254 (defun org-toggle-checkbox (&optional toggle-presence)
255 "Toggle the checkbox in the current line.
256 With prefix arg TOGGLE-PRESENCE, add or remove checkboxes.
257 With double prefix, set checkbox to [-].
258 When there is an active region, toggle status or presence of the checkbox
259 in the first line, and make every item in the region have the same
260 status or presence, respectively.
261 If the cursor is in a headline, apply this to all checkbox items in the
262 text below the heading."
263 (interactive "P")
264 (catch 'exit
265 (let (beg end status first-present first-status blocked)
266 (cond
267 ((org-region-active-p)
268 (setq beg (region-beginning) end (region-end)))
269 ((org-on-heading-p)
270 (setq beg (point) end (save-excursion (outline-next-heading) (point))))
271 ((org-at-item-checkbox-p)
272 (save-excursion
273 (if (equal toggle-presence '(4))
274 (progn
275 (replace-match "")
276 (goto-char (match-beginning 0))
277 (just-one-space))
278 (when (setq blocked (org-checkbox-blocked-p))
279 (error "Checkbox blocked because of unchecked box in line %d"
280 blocked))
281 (replace-match
282 (cond ((equal toggle-presence '(16)) "[-]")
283 ((member (match-string 0) '("[ ]" "[-]")) "[X]")
284 (t "[ ]"))
285 t t)))
286 (throw 'exit t))
287 ((org-at-item-p)
288 ;; add a checkbox
289 (save-excursion
290 (goto-char (match-end 0))
291 (insert "[ ] "))
292 (throw 'exit t))
293 (t (error "Not at a checkbox or heading, and no active region")))
294 (setq end (move-marker (make-marker) end))
295 (save-excursion
296 (goto-char beg)
297 (setq first-present (org-at-item-checkbox-p)
298 first-status
299 (save-excursion
300 (and (re-search-forward "[ \t]\\(\\[[ X]\\]\\)" end t)
301 (equal (match-string 1) "[X]"))))
302 (while (< (point) end)
303 (if toggle-presence
304 (cond
305 ((and first-present (org-at-item-checkbox-p))
306 (save-excursion
307 (replace-match "")
308 (goto-char (match-beginning 0))
309 (just-one-space)))
310 ((and (not first-present) (not (org-at-item-checkbox-p))
311 (org-at-item-p))
312 (save-excursion
313 (goto-char (match-end 0))
314 (insert "[ ] "))))
315 (when (org-at-item-checkbox-p)
316 (setq status (equal (match-string 0) "[X]"))
317 (replace-match
318 (if first-status "[ ]" "[X]") t t)))
319 (beginning-of-line 2)))))
320 (org-update-checkbox-count-maybe))
322 (defun org-checkbox-blocked-p ()
323 "Is the current checkbox blocked from for being checked now?
324 A checkbox is blocked if all of the following conditions are fulfilled:
326 1. The checkbox is not checked already.
327 2. The current entry has the ORDERED property set.
328 3. There is an unchecked checkbox in this entry before the current line."
329 (catch 'exit
330 (save-match-data
331 (save-excursion
332 (unless (org-at-item-checkbox-p) (throw 'exit nil))
333 (when (equal (match-string 0) "[X]")
334 ;; the box is already checked!
335 (throw 'exit nil))
336 (let ((end (point-at-bol)))
337 (condition-case nil (org-back-to-heading t)
338 (error (throw 'exit nil)))
339 (unless (org-entry-get nil "ORDERED") (throw 'exit nil))
340 (if (re-search-forward "^[ \t]*[-+*0-9.)] \\[[- ]\\]" end t)
341 (org-current-line)
342 nil))))))
344 (defun org-update-checkbox-count-maybe ()
345 "Update checkbox statistics unless turned off by user."
346 (when org-provide-checkbox-statistics
347 (org-update-checkbox-count)))
349 (defun org-update-checkbox-count (&optional all)
350 "Update the checkbox statistics in the current section.
351 This will find all statistic cookies like [57%] and [6/12] and update them
352 with the current numbers. With optional prefix argument ALL, do this for
353 the whole buffer."
354 (interactive "P")
355 (save-excursion
356 (let* ((buffer-invisibility-spec (org-inhibit-invisibility)) ; Emacs 21
357 (beg (condition-case nil
358 (progn (org-back-to-heading) (point))
359 (error (point-min))))
360 (end (move-marker (make-marker)
361 (progn (outline-next-heading) (point))))
362 (re "\\(\\(\\[[0-9]*%\\]\\)\\|\\(\\[[0-9]*/[0-9]*\\]\\)\\)")
363 (re-box "^[ \t]*\\([-+*]\\|[0-9]+[.)]\\) +\\(\\[[- X]\\]\\)")
364 (re-find (concat re "\\|" re-box))
365 beg-cookie end-cookie is-percent c-on c-off lim
366 eline curr-ind next-ind continue-from startsearch
367 (cstat 0)
369 (when all
370 (goto-char (point-min))
371 (outline-next-heading)
372 (setq beg (point) end (point-max)))
373 (goto-char end)
374 ;; find each statistic cookie
375 (while (re-search-backward re-find beg t)
376 (setq beg-cookie (match-beginning 1)
377 end-cookie (match-end 1)
378 cstat (+ cstat (if end-cookie 1 0))
379 startsearch (point-at-eol)
380 continue-from (match-beginning 0)
381 is-percent (match-beginning 2)
382 lim (cond
383 ((org-on-heading-p) (outline-next-heading) (point))
384 ((org-at-item-p) (org-end-of-item) (point))
385 (t nil))
386 c-on 0
387 c-off 0)
388 (when lim
389 ;; find first checkbox for this cookie and gather
390 ;; statistics from all that are at this indentation level
391 (goto-char startsearch)
392 (if (re-search-forward re-box lim t)
393 (progn
394 (org-beginning-of-item)
395 (setq curr-ind (org-get-indentation))
396 (setq next-ind curr-ind)
397 (while (and (bolp) (org-at-item-p) (= curr-ind next-ind))
398 (save-excursion (end-of-line) (setq eline (point)))
399 (if (re-search-forward re-box eline t)
400 (if (member (match-string 2) '("[ ]" "[-]"))
401 (setq c-off (1+ c-off))
402 (setq c-on (1+ c-on))
405 (org-end-of-item)
406 (setq next-ind (org-get-indentation))
408 (goto-char continue-from)
409 ;; update cookie
410 (when end-cookie
411 (delete-region beg-cookie end-cookie)
412 (goto-char beg-cookie)
413 (insert
414 (if is-percent
415 (format "[%d%%]" (/ (* 100 c-on) (max 1 (+ c-on c-off))))
416 (format "[%d/%d]" c-on (+ c-on c-off)))))
417 ;; update items checkbox if it has one
418 (when (org-at-item-p)
419 (org-beginning-of-item)
420 (when (and (> (+ c-on c-off) 0)
421 (re-search-forward re-box (point-at-eol) t))
422 (setq beg-cookie (match-beginning 2)
423 end-cookie (match-end 2))
424 (delete-region beg-cookie end-cookie)
425 (goto-char beg-cookie)
426 (cond ((= c-off 0) (insert "[X]"))
427 ((= c-on 0) (insert "[ ]"))
428 (t (insert "[-]")))
430 (goto-char continue-from))
431 (when (interactive-p)
432 (message "Checkbox statistics updated %s (%d places)"
433 (if all "in entire file" "in current outline entry") cstat)))))
435 (defun org-get-checkbox-statistics-face ()
436 "Select the face for checkbox statistics.
437 The face will be `org-done' when all relevant boxes are checked. Otherwise
438 it will be `org-todo'."
439 (if (match-end 1)
440 (if (equal (match-string 1) "100%") 'org-done 'org-todo)
441 (if (and (> (match-end 2) (match-beginning 2))
442 (equal (match-string 2) (match-string 3)))
443 'org-done
444 'org-todo)))
446 (defun org-beginning-of-item ()
447 "Go to the beginning of the current hand-formatted item.
448 If the cursor is not in an item, throw an error."
449 (interactive)
450 (let ((pos (point))
451 (limit (save-excursion
452 (condition-case nil
453 (progn
454 (org-back-to-heading)
455 (beginning-of-line 2) (point))
456 (error (point-min)))))
457 (ind-empty (if org-empty-line-terminates-plain-lists 0 10000))
458 ind ind1)
459 (if (org-at-item-p)
460 (beginning-of-line 1)
461 (beginning-of-line 1)
462 (skip-chars-forward " \t")
463 (setq ind (current-column))
464 (if (catch 'exit
465 (while t
466 (beginning-of-line 0)
467 (if (or (bobp) (< (point) limit)) (throw 'exit nil))
469 (if (looking-at "[ \t]*$")
470 (setq ind1 ind-empty)
471 (skip-chars-forward " \t")
472 (setq ind1 (current-column)))
473 (if (< ind1 ind)
474 (progn (beginning-of-line 1) (throw 'exit (org-at-item-p))))))
476 (goto-char pos)
477 (error "Not in an item")))))
479 (defun org-end-of-item ()
480 "Go to the end of the current hand-formatted item.
481 If the cursor is not in an item, throw an error."
482 (interactive)
483 (let* ((pos (point))
484 ind1
485 (ind-empty (if org-empty-line-terminates-plain-lists 0 10000))
486 (limit (save-excursion (outline-next-heading) (point)))
487 (ind (save-excursion
488 (org-beginning-of-item)
489 (skip-chars-forward " \t")
490 (current-column)))
491 (end (catch 'exit
492 (while t
493 (beginning-of-line 2)
494 (if (eobp) (throw 'exit (point)))
495 (if (>= (point) limit) (throw 'exit (point-at-bol)))
496 (if (looking-at "[ \t]*$")
497 (setq ind1 ind-empty)
498 (skip-chars-forward " \t")
499 (setq ind1 (current-column)))
500 (if (<= ind1 ind)
501 (throw 'exit (point-at-bol)))))))
502 (if end
503 (goto-char end)
504 (goto-char pos)
505 (error "Not in an item"))))
507 (defun org-next-item ()
508 "Move to the beginning of the next item in the current plain list.
509 Error if not at a plain list, or if this is the last item in the list."
510 (interactive)
511 (let (ind ind1 (pos (point)))
512 (org-beginning-of-item)
513 (setq ind (org-get-indentation))
514 (org-end-of-item)
515 (setq ind1 (org-get-indentation))
516 (unless (and (org-at-item-p) (= ind ind1))
517 (goto-char pos)
518 (error "On last item"))))
520 (defun org-previous-item ()
521 "Move to the beginning of the previous item in the current plain list.
522 Error if not at a plain list, or if this is the first item in the list."
523 (interactive)
524 (let (beg ind ind1 (pos (point)))
525 (org-beginning-of-item)
526 (setq beg (point))
527 (setq ind (org-get-indentation))
528 (goto-char beg)
529 (catch 'exit
530 (while t
531 (beginning-of-line 0)
532 (if (looking-at "[ \t]*$")
534 (if (<= (setq ind1 (org-get-indentation)) ind)
535 (throw 'exit t)))))
536 (condition-case nil
537 (if (or (not (org-at-item-p))
538 (< ind1 (1- ind)))
539 (error "")
540 (org-beginning-of-item))
541 (error (goto-char pos)
542 (error "On first item")))))
544 (defun org-first-list-item-p ()
545 "Is this heading the item in a plain list?"
546 (unless (org-at-item-p)
547 (error "Not at a plain list item"))
548 (org-beginning-of-item)
549 (= (point) (save-excursion (org-beginning-of-item-list))))
551 (defun org-move-item-down ()
552 "Move the plain list item at point down, i.e. swap with following item.
553 Subitems (items with larger indentation) are considered part of the item,
554 so this really moves item trees."
555 (interactive)
556 (let ((col (current-column))
557 (pos (point))
558 beg beg0 end end0 ind ind1 txt ne-end ne-beg)
559 (org-beginning-of-item)
560 (setq beg0 (point))
561 (save-excursion
562 (setq ne-beg (org-back-over-empty-lines))
563 (setq beg (point)))
564 (goto-char beg0)
565 (setq ind (org-get-indentation))
566 (org-end-of-item)
567 (setq end0 (point))
568 (setq ind1 (org-get-indentation))
569 (setq ne-end (org-back-over-empty-lines))
570 (setq end (point))
571 (goto-char beg0)
572 (when (and (org-first-list-item-p) (< ne-end ne-beg))
573 ;; include less whitespace
574 (save-excursion
575 (goto-char beg)
576 (forward-line (- ne-beg ne-end))
577 (setq beg (point))))
578 (goto-char end0)
579 (if (and (org-at-item-p) (= ind ind1))
580 (progn
581 (org-end-of-item)
582 (org-back-over-empty-lines)
583 (setq txt (buffer-substring beg end))
584 (save-excursion
585 (delete-region beg end))
586 (setq pos (point))
587 (insert txt)
588 (goto-char pos) (org-skip-whitespace)
589 (org-maybe-renumber-ordered-list)
590 (move-to-column col))
591 (goto-char pos)
592 (move-to-column col)
593 (error "Cannot move this item further down"))))
595 (defun org-move-item-up (arg)
596 "Move the plain list item at point up, i.e. swap with previous item.
597 Subitems (items with larger indentation) are considered part of the item,
598 so this really moves item trees."
599 (interactive "p")
600 (let ((col (current-column)) (pos (point))
601 beg beg0 end ind ind1 txt
602 ne-beg ne-ins ins-end)
603 (org-beginning-of-item)
604 (setq beg0 (point))
605 (setq ind (org-get-indentation))
606 (save-excursion
607 (setq ne-beg (org-back-over-empty-lines))
608 (setq beg (point)))
609 (goto-char beg0)
610 (org-end-of-item)
611 (org-back-over-empty-lines)
612 (setq end (point))
613 (goto-char beg0)
614 (catch 'exit
615 (while t
616 (beginning-of-line 0)
617 (if (looking-at "[ \t]*$")
618 (if org-empty-line-terminates-plain-lists
619 (progn
620 (goto-char pos)
621 (error "Cannot move this item further up"))
622 nil)
623 (if (<= (setq ind1 (org-get-indentation)) ind)
624 (throw 'exit t)))))
625 (condition-case nil
626 (org-beginning-of-item)
627 (error (goto-char beg0)
628 (move-to-column col)
629 (error "Cannot move this item further up")))
630 (setq ind1 (org-get-indentation))
631 (if (and (org-at-item-p) (= ind ind1))
632 (progn
633 (setq ne-ins (org-back-over-empty-lines))
634 (setq txt (buffer-substring beg end))
635 (save-excursion
636 (delete-region beg end))
637 (setq pos (point))
638 (insert txt)
639 (setq ins-end (point))
640 (goto-char pos) (org-skip-whitespace)
642 (when (and (org-first-list-item-p) (> ne-ins ne-beg))
643 ;; Move whitespace back to beginning
644 (save-excursion
645 (goto-char ins-end)
646 (let ((kill-whole-line t))
647 (kill-line (- ne-ins ne-beg)) (point)))
648 (insert (make-string (- ne-ins ne-beg) ?\n)))
650 (org-maybe-renumber-ordered-list)
651 (move-to-column col))
652 (goto-char pos)
653 (move-to-column col)
654 (error "Cannot move this item further up"))))
656 (defun org-maybe-renumber-ordered-list ()
657 "Renumber the ordered list at point if setup allows it.
658 This tests the user option `org-auto-renumber-ordered-lists' before
659 doing the renumbering."
660 (interactive)
661 (when (and org-auto-renumber-ordered-lists
662 (org-at-item-p))
663 (if (match-beginning 3)
664 (org-renumber-ordered-list 1)
665 (org-fix-bullet-type))))
667 (defun org-maybe-renumber-ordered-list-safe ()
668 (condition-case nil
669 (save-excursion
670 (org-maybe-renumber-ordered-list))
671 (error nil)))
673 (defun org-cycle-list-bullet (&optional which)
674 "Cycle through the different itemize/enumerate bullets.
675 This cycle the entire list level through the sequence:
677 `-' -> `+' -> `*' -> `1.' -> `1)'
679 If WHICH is a string, use that as the new bullet. If WHICH is an integer,
680 0 means `-', 1 means `+' etc."
681 (interactive "P")
682 (org-preserve-lc
683 (org-beginning-of-item-list)
684 (org-at-item-p)
685 (beginning-of-line 1)
686 (let ((current (match-string 0))
687 (prevp (eq which 'previous))
688 new old)
689 (setq new (cond
690 ((and (numberp which)
691 (nth (1- which) '("-" "+" "*" "1." "1)"))))
692 ((string-match "-" current) (if prevp "1)" "+"))
693 ((string-match "\\+" current)
694 (if prevp "-" (if (looking-at "\\S-") "1." "*")))
695 ((string-match "\\*" current) (if prevp "+" "1."))
696 ((string-match "\\." current)
697 (if prevp (if (looking-at "\\S-") "+" "*") "1)"))
698 ((string-match ")" current) (if prevp "1." "-"))
699 (t (error "This should not happen"))))
700 (and (looking-at "\\([ \t]*\\)\\(\\S-+\\)")
701 (setq old (match-string 2))
702 (replace-match (concat "\\1" new)))
703 (org-shift-item-indentation (- (length new) (length old)))
704 (org-fix-bullet-type)
705 (org-maybe-renumber-ordered-list))))
707 (defun org-get-string-indentation (s)
708 "What indentation has S due to SPACE and TAB at the beginning of the string?"
709 (let ((n -1) (i 0) (w tab-width) c)
710 (catch 'exit
711 (while (< (setq n (1+ n)) (length s))
712 (setq c (aref s n))
713 (cond ((= c ?\ ) (setq i (1+ i)))
714 ((= c ?\t) (setq i (* (/ (+ w i) w) w)))
715 (t (throw 'exit t)))))
718 (defun org-renumber-ordered-list (arg)
719 "Renumber an ordered plain list.
720 Cursor needs to be in the first line of an item, the line that starts
721 with something like \"1.\" or \"2)\"."
722 (interactive "p")
723 (unless (and (org-at-item-p)
724 (match-beginning 3))
725 (error "This is not an ordered list"))
726 (let ((line (org-current-line))
727 (col (current-column))
728 (ind (org-get-string-indentation
729 (buffer-substring (point-at-bol) (match-beginning 3))))
730 ;; (term (substring (match-string 3) -1))
731 ind1 (n (1- arg))
732 fmt bobp old new)
733 ;; find where this list begins
734 (org-beginning-of-item-list)
735 (setq bobp (bobp))
736 (looking-at "[ \t]*[0-9]+\\([.)]\\)")
737 (setq fmt (concat "%d" (or (match-string 1) ".")))
738 (beginning-of-line 0)
739 ;; walk forward and replace these numbers
740 (catch 'exit
741 (while t
742 (catch 'next
743 (if bobp (setq bobp nil) (beginning-of-line 2))
744 (if (eobp) (throw 'exit nil))
745 (if (looking-at "[ \t]*$") (throw 'next nil))
746 (skip-chars-forward " \t") (setq ind1 (current-column))
747 (if (> ind1 ind) (throw 'next t))
748 (if (< ind1 ind) (throw 'exit t))
749 (if (not (org-at-item-p)) (throw 'exit nil))
750 (setq old (match-string 2))
751 (delete-region (match-beginning 2) (match-end 2))
752 (goto-char (match-beginning 2))
753 (insert (setq new (format fmt (setq n (1+ n)))))
754 (org-shift-item-indentation (- (length new) (length old))))))
755 (goto-line line)
756 (org-move-to-column col)))
758 (defun org-fix-bullet-type ()
759 "Make sure all items in this list have the same bullet as the first item.
760 Also, fix the indentation."
761 (interactive)
762 (unless (org-at-item-p) (error "This is not a list"))
763 (let ((line (org-current-line))
764 (col (current-column))
765 (ind (current-indentation))
766 ind1 bullet oldbullet)
767 ;; find where this list begins
768 (org-beginning-of-item-list)
769 (beginning-of-line 1)
770 ;; find out what the bullet type is
771 (looking-at "[ \t]*\\(\\S-+\\)")
772 (setq bullet (concat (match-string 1) " "))
773 (if (and org-list-two-spaces-after-bullet-regexp
774 (string-match org-list-two-spaces-after-bullet-regexp bullet))
775 (setq bullet (concat bullet " ")))
776 ;; walk forward and replace these numbers
777 (beginning-of-line 0)
778 (catch 'exit
779 (while t
780 (catch 'next
781 (beginning-of-line 2)
782 (if (eobp) (throw 'exit nil))
783 (if (looking-at "[ \t]*$") (throw 'next nil))
784 (skip-chars-forward " \t") (setq ind1 (current-column))
785 (if (> ind1 ind) (throw 'next t))
786 (if (< ind1 ind) (throw 'exit t))
787 (if (not (org-at-item-p)) (throw 'exit nil))
788 (skip-chars-forward " \t")
789 (looking-at "\\S-+ *")
790 (setq oldbullet (match-string 0))
791 (unless (equal bullet oldbullet) (replace-match bullet))
792 (org-shift-item-indentation (- (length bullet) (length oldbullet))))))
793 (goto-line line)
794 (org-move-to-column col)
795 (if (string-match "[0-9]" bullet)
796 (org-renumber-ordered-list 1))))
798 (defun org-shift-item-indentation (delta)
799 "Shift the indentation in current item by DELTA."
800 (save-excursion
801 (let ((beg (point-at-bol))
802 (end (progn (org-end-of-item) (point)))
804 (goto-char end)
805 (beginning-of-line 0)
806 (while (> (point) beg)
807 (when (looking-at "[ \t]*\\S-")
808 ;; this is not an empty line
809 (setq i (org-get-indentation))
810 (if (and (> i 0) (> (setq i (+ i delta)) 0))
811 (indent-line-to i)))
812 (beginning-of-line 0)))))
814 (defun org-beginning-of-item-list ()
815 "Go to the beginning of the current item list.
816 I.e. to the first item in this list."
817 (interactive)
818 (org-beginning-of-item)
819 (let ((pos (point-at-bol))
820 (ind (org-get-indentation))
821 ind1)
822 ;; find where this list begins
823 (catch 'exit
824 (while t
825 (catch 'next
826 (beginning-of-line 0)
827 (if (looking-at "[ \t]*$")
828 (throw (if (bobp) 'exit 'next) t))
829 (skip-chars-forward " \t") (setq ind1 (current-column))
830 (if (or (< ind1 ind)
831 (and (= ind1 ind)
832 (not (org-at-item-p)))
833 (and (= (point-at-bol) (point-min))
834 (setq pos (point-min))))
835 (throw 'exit t)
836 (when (org-at-item-p) (setq pos (point-at-bol)))))))
837 (goto-char pos)))
840 (defun org-end-of-item-list ()
841 "Go to the end of the current item list.
842 I.e. to the text after the last item."
843 (interactive)
844 (org-beginning-of-item)
845 (let ((pos (point-at-bol))
846 (ind (org-get-indentation))
847 ind1)
848 ;; find where this list begins
849 (catch 'exit
850 (while t
851 (catch 'next
852 (beginning-of-line 2)
853 (if (looking-at "[ \t]*$")
854 (throw (if (eobp) 'exit 'next) t))
855 (skip-chars-forward " \t") (setq ind1 (current-column))
856 (if (or (< ind1 ind)
857 (and (= ind1 ind)
858 (not (org-at-item-p)))
859 (eobp))
860 (progn
861 (setq pos (point-at-bol))
862 (throw 'exit t))))))
863 (goto-char pos)))
866 (defvar org-last-indent-begin-marker (make-marker))
867 (defvar org-last-indent-end-marker (make-marker))
869 (defun org-outdent-item (arg)
870 "Outdent a local list item."
871 (interactive "p")
872 (org-indent-item (- arg)))
874 (defun org-indent-item (arg)
875 "Indent a local list item."
876 (interactive "p")
877 (and (org-region-active-p) (org-cursor-to-region-beginning))
878 (unless (org-at-item-p)
879 (error "Not on an item"))
880 (save-excursion
881 (let (beg end ind ind1 tmp delta ind-down ind-up)
882 (setq end (and (org-region-active-p) (region-end)))
883 (if (memq last-command '(org-shiftmetaright org-shiftmetaleft))
884 (setq beg org-last-indent-begin-marker
885 end org-last-indent-end-marker)
886 (org-beginning-of-item)
887 (setq beg (move-marker org-last-indent-begin-marker (point)))
888 (org-end-of-item)
889 (setq end (move-marker org-last-indent-end-marker (or end (point)))))
890 (goto-char beg)
891 (setq tmp (org-item-indent-positions)
892 ind (car tmp)
893 ind-down (nth 2 tmp)
894 ind-up (nth 1 tmp)
895 delta (if (> arg 0)
896 (if ind-down (- ind-down ind) 2)
897 (if ind-up (- ind-up ind) -2)))
898 (if (< (+ delta ind) 0) (error "Cannot outdent beyond margin"))
899 (while (< (point) end)
900 (beginning-of-line 1)
901 (skip-chars-forward " \t") (setq ind1 (current-column))
902 (delete-region (point-at-bol) (point))
903 (or (eolp) (org-indent-to-column (+ ind1 delta)))
904 (beginning-of-line 2))))
905 (org-fix-bullet-type)
906 (org-maybe-renumber-ordered-list-safe)
907 (save-excursion
908 (beginning-of-line 0)
909 (condition-case nil (org-beginning-of-item) (error nil))
910 (org-maybe-renumber-ordered-list-safe)))
912 (defun org-item-indent-positions ()
913 "Return indentation for plain list items.
914 This returns a list with three values: The current indentation, the
915 parent indentation and the indentation a child should have.
916 Assumes cursor in item line."
917 (let* ((bolpos (point-at-bol))
918 (ind (org-get-indentation))
919 ind-down ind-up pos)
920 (save-excursion
921 (org-beginning-of-item-list)
922 (skip-chars-backward "\n\r \t")
923 (when (org-in-item-p)
924 (org-beginning-of-item)
925 (setq ind-up (org-get-indentation))))
926 (setq pos (point))
927 (save-excursion
928 (cond
929 ((and (condition-case nil (progn (org-previous-item) t)
930 (error nil))
931 (or (forward-char 1) t)
932 (re-search-forward "^\\([ \t]*\\([-+]\\|\\([0-9]+[.)]\\)\\)\\|[ \t]+\\*\\)\\( \\|$\\)" bolpos t))
933 (setq ind-down (org-get-indentation)))
934 ((and (goto-char pos)
935 (org-at-item-p))
936 (goto-char (match-end 0))
937 (skip-chars-forward " \t")
938 (setq ind-down (current-column)))))
939 (list ind ind-up ind-down)))
942 ;;; Send and receive lists
944 (defun org-list-parse-list (&optional delete)
945 "Parse the list at point and maybe DELETE it.
946 Return a list containing first level items as strings and
947 sublevels as a list of strings."
948 (let* ((item-beginning (org-list-item-beginning))
949 (start (car item-beginning))
950 (end (org-list-end (cdr item-beginning)))
951 output itemsep ltype)
952 (while (re-search-forward org-list-beginning-re end t)
953 (goto-char (match-beginning 3))
954 (save-match-data
955 (cond ((string-match "[0-9]" (match-string 2))
956 (setq itemsep "[0-9]+\\(?:\\.\\|)\\)"
957 ltype 'ordered))
958 ((string-match "^.*::" (match-string 0))
959 (setq itemsep "[-+]" ltype 'descriptive))
960 (t (setq itemsep "[-+]" ltype 'unordered))))
961 (let* ((indent1 (match-string 1))
962 (nextitem (save-excursion
963 (save-match-data
964 (or (and (re-search-forward
965 (concat "^" indent1 itemsep " *?") end t)
966 (match-beginning 0)) end))))
967 (item (buffer-substring
968 (point)
969 (or (and (re-search-forward
970 org-list-beginning-re end t)
971 (goto-char (match-beginning 0)))
972 (goto-char end))))
973 (nextindent (match-string 1))
974 (item (org-trim item))
975 (item (if (string-match "^\\[\\([xX ]\\)\\]" item)
976 (replace-match (if (equal (match-string 1 item) " ")
977 "[CBOFF]"
978 "[CBON]")
979 t nil item)
980 item)))
981 (push item output)
982 (when (> (length nextindent)
983 (length indent1))
984 (narrow-to-region (point) nextitem)
985 (push (org-list-parse-list) output)
986 (widen))))
987 (when delete (delete-region start end))
988 (setq output (nreverse output))
989 (push ltype output)))
991 (defun org-list-item-beginning ()
992 "Find the beginning of the list item.
993 Return a cons which car is the beginning position of the item and
994 cdr is the indentation string."
995 (save-excursion
996 (if (not (or (looking-at org-list-beginning-re)
997 (re-search-backward
998 org-list-beginning-re nil t)))
999 (progn (goto-char (point-min)) (point))
1000 (cons (match-beginning 0) (match-string 1)))))
1002 (defun org-list-end (indent)
1003 "Return the position of the end of the list.
1004 INDENT is the indentation of the list."
1005 (save-excursion
1006 (catch 'exit
1007 (while (or (looking-at org-list-beginning-re)
1008 (looking-at (concat "^" indent "[ \t]+\\|^$")))
1009 (if (eq (point) (point-max))
1010 (throw 'exit (point-max)))
1011 (forward-line 1))) (point)))
1013 (defun org-list-insert-radio-list ()
1014 "Insert a radio list template appropriate for this major mode."
1015 (interactive)
1016 (let* ((e (assq major-mode org-list-radio-list-templates))
1017 (txt (nth 1 e))
1018 name pos)
1019 (unless e (error "No radio list setup defined for %s" major-mode))
1020 (setq name (read-string "List name: "))
1021 (while (string-match "%n" txt)
1022 (setq txt (replace-match name t t txt)))
1023 (or (bolp) (insert "\n"))
1024 (setq pos (point))
1025 (insert txt)
1026 (goto-char pos)))
1028 (defun org-list-send-list (&optional maybe)
1029 "Send a tranformed version of this list to the receiver position.
1030 With argument MAYBE, fail quietly if no transformation is defined for
1031 this list."
1032 (interactive)
1033 (catch 'exit
1034 (unless (org-at-item-p) (error "Not at a list"))
1035 (save-excursion
1036 (goto-char (car (org-list-item-beginning)))
1037 (beginning-of-line 0)
1038 (unless (looking-at "#\\+ORGLST: *SEND +\\([a-zA-Z0-9_]+\\) +\\([^ \t\r\n]+\\)\\( +.*\\)?")
1039 (if maybe
1040 (throw 'exit nil)
1041 (error "Don't know how to transform this list"))))
1042 (let* ((name (match-string 1))
1043 (item-beginning (org-list-item-beginning))
1044 (transform (intern (match-string 2)))
1045 (txt (buffer-substring-no-properties
1046 (car item-beginning)
1047 (org-list-end (cdr item-beginning))))
1048 (list (org-list-parse-list))
1049 beg)
1050 (unless (fboundp transform)
1051 (error "No such transformation function %s" transform))
1052 (setq txt (funcall transform list))
1053 ;; Find the insertion place
1054 (save-excursion
1055 (goto-char (point-min))
1056 (unless (re-search-forward
1057 (concat "BEGIN RECEIVE ORGLST +" name "\\([ \t]\\|$\\)") nil t)
1058 (error "Don't know where to insert translated list"))
1059 (goto-char (match-beginning 0))
1060 (beginning-of-line 2)
1061 (setq beg (point))
1062 (unless (re-search-forward (concat "END RECEIVE ORGLST +" name) nil t)
1063 (error "Cannot find end of insertion region"))
1064 (beginning-of-line 1)
1065 (delete-region beg (point))
1066 (goto-char beg)
1067 (insert txt "\n"))
1068 (message "List converted and installed at receiver location"))))
1070 (defun org-list-to-generic (list params)
1071 "Convert a LIST parsed through `org-list-parse-list' to other formats.
1073 Valid parameters PARAMS are
1075 :ustart String to start an unordered list
1076 :uend String to end an unordered list
1078 :ostart String to start an ordered list
1079 :oend String to end an ordered list
1081 :dstart String to start a descriptive list
1082 :dend String to end a descriptive list
1083 :dtstart String to start a descriptive term
1084 :dtend String to end a descriptive term
1085 :ddstart String to start a description
1086 :ddend String to end a description
1088 :splice When set to t, return only list body lines, don't wrap
1089 them into :[u/o]start and :[u/o]end. Default is nil.
1091 :istart String to start a list item
1092 :iend String to end a list item
1093 :isep String to separate items
1094 :lsep String to separate sublists
1096 :cboff String to insert for an unchecked checkbox
1097 :cbon String to insert for a checked checkbox"
1098 (interactive)
1099 (let* ((p params) sublist
1100 (splicep (plist-get p :splice))
1101 (ostart (plist-get p :ostart))
1102 (oend (plist-get p :oend))
1103 (ustart (plist-get p :ustart))
1104 (uend (plist-get p :uend))
1105 (dstart (plist-get p :dstart))
1106 (dend (plist-get p :dend))
1107 (dtstart (plist-get p :dtstart))
1108 (dtend (plist-get p :dtend))
1109 (ddstart (plist-get p :ddstart))
1110 (ddend (plist-get p :ddend))
1111 (istart (plist-get p :istart))
1112 (iend (plist-get p :iend))
1113 (isep (plist-get p :isep))
1114 (lsep (plist-get p :lsep))
1115 (cbon (plist-get p :cbon))
1116 (cboff (plist-get p :cboff)))
1117 (let ((wrapper
1118 (cond ((eq (car list) 'ordered)
1119 (concat ostart "\n%s" oend "\n"))
1120 ((eq (car list) 'unordered)
1121 (concat ustart "\n%s" uend "\n"))
1122 ((eq (car list) 'descriptive)
1123 (concat dstart "\n%s" dend "\n"))))
1124 rtn term defstart defend)
1125 (while (setq sublist (pop list))
1126 (cond ((symbolp sublist) nil)
1127 ((stringp sublist)
1128 (when (string-match "^\\(.*\\) ::" sublist)
1129 (setq term (org-trim (format (concat dtstart "%s" dtend)
1130 (match-string 1 sublist))))
1131 (setq sublist (substring sublist (1+ (length term)))))
1132 (if (string-match "\\[CBON\\]" sublist)
1133 (setq sublist (replace-match cbon t t sublist)))
1134 (if (string-match "\\[CBOFF\\]" sublist)
1135 (setq sublist (replace-match cboff t t sublist)))
1136 (setq rtn (concat rtn istart term ddstart
1137 sublist ddend iend isep)))
1138 (t (setq rtn (concat rtn ;; previous list
1139 lsep ;; list separator
1140 (org-list-to-generic sublist p)
1141 lsep ;; list separator
1142 )))))
1143 (format wrapper rtn))))
1145 (defun org-list-to-latex (list &optional params)
1146 "Convert LIST into a LaTeX list.
1147 LIST is as returnd by `org-list-parse-list'. PARAMS is a property list
1148 with overruling parameters for `org-list-to-generic'."
1149 (org-list-to-generic
1150 list
1151 (org-combine-plists
1152 '(:splicep nil :ostart "\\begin{enumerate}" :oend "\\end{enumerate}"
1153 :ustart "\\begin{itemize}" :uend "\\end{itemize}"
1154 :dstart "\\begin{description}" :dend "\\end{description}"
1155 :dtstart "[" :dtend "]"
1156 :ddstart "" :ddend ""
1157 :istart "\\item " :iend ""
1158 :isep "\n" :lsep "\n"
1159 :cbon "\\texttt{[X]}" :cboff "\\texttt{[ ]}")
1160 params)))
1162 (defun org-list-to-html (list &optional params)
1163 "Convert LIST into a HTML list.
1164 LIST is as returnd by `org-list-parse-list'. PARAMS is a property list
1165 with overruling parameters for `org-list-to-generic'."
1166 (org-list-to-generic
1167 list
1168 (org-combine-plists
1169 '(:splicep nil :ostart "<ol>" :oend "</ol>"
1170 :ustart "<ul>" :uend "</ul>"
1171 :dstart "<dl>" :dend "</dl>"
1172 :dtstart "<dt>" :dtend "</dt>"
1173 :ddstart "<dd>" :ddend "</dd>"
1174 :istart "<li>" :iend "</li>"
1175 :isep "\n" :lsep "\n"
1176 :cbon "<code>[X]</code>" :cboff "<code>[ ]</code>")
1177 params)))
1179 (defun org-list-to-texinfo (list &optional params)
1180 "Convert LIST into a Texinfo list.
1181 LIST is as returnd by `org-list-parse-list'. PARAMS is a property list
1182 with overruling parameters for `org-list-to-generic'."
1183 (org-list-to-generic
1184 list
1185 (org-combine-plists
1186 '(:splicep nil :ostart "@itemize @minus" :oend "@end itemize"
1187 :ustart "@enumerate" :uend "@end enumerate"
1188 :dstart "@table" :dend "@end table"
1189 :dtstart "@item " :dtend "\n"
1190 :ddstart "" :ddend ""
1191 :istart "@item\n" :iend ""
1192 :isep "\n" :lsep "\n"
1193 :cbon "@code{[X]}" :cboff "@code{[ ]}")
1194 params)))
1196 (provide 'org-list)
1198 ;; arch-tag: 73cf50c1-200f-4d1d-8a53-4e842a5b11c8
1199 ;;; org-list.el ends here