1 ;;; wl-thread.el --- Thread display modules for Wanderlust.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
7 ;; Masahiro MURATA <muse@ba2.so-net.ne.jp>
8 ;; Keywords: mail, net news
10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
12 ;; This program is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; This program is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
35 (require 'wl-highlight)
36 (eval-when-compile (require 'cl))
38 ;; buffer local variables.
39 ;;(defvar wl-thread-top-entity '(nil t nil nil)) ; top entity
40 (defvar wl-thread-tops nil) ; top number list (number)
41 (defvar wl-thread-entities nil)
42 (defvar wl-thread-entity-list nil) ; entity list
43 (defvar wl-thread-entity-hashtb nil) ; obarray
44 (defvar wl-thread-indent-regexp nil)
46 (make-variable-buffer-local 'wl-thread-entity-hashtb)
47 (make-variable-buffer-local 'wl-thread-entities) ; ".wl-thread-entity"
48 (make-variable-buffer-local 'wl-thread-entity-list) ; ".wl-thread-entity-list"
49 (make-variable-buffer-local 'wl-thread-entity-cur)
50 (make-variable-buffer-local 'wl-thread-indent-regexp)
53 (defvar wl-thread-insert-force-opened nil)
55 ;;;;;; each entity is (number opened-or-not children parent) ;;;;;;;
57 (defun wl-thread-resume-entity (fld)
58 (let (entities top-list)
59 (setq entities (wl-summary-load-file-object
60 (expand-file-name wl-thread-entity-file
61 (elmo-folder-msgdb-path fld))))
63 (wl-summary-load-file-object
64 (expand-file-name wl-thread-entity-list-file
65 (elmo-folder-msgdb-path fld))))
66 (message "Resuming thread structure...")
68 (setq wl-thread-entity-hashtb (elmo-make-hash (* (length entities) 2)))
69 ;; set buffer local variables.
70 (setq wl-thread-entities entities)
71 (setq wl-thread-entity-list top-list)
73 (elmo-set-hash-val (format "#%d" (car (car entities))) (car entities)
74 wl-thread-entity-hashtb)
75 (setq entities (cdr entities)))
76 (wl-thread-make-number-list)
77 (message "Resuming thread structure...done")))
79 (defun wl-thread-make-number-list ()
80 "Make `wl-summary-buffer-number-list', a list of message numbers."
81 (let* ((node (wl-thread-get-entity (car wl-thread-entity-list)))
82 (children (wl-thread-entity-get-children node))
84 (setq wl-summary-buffer-number-list (list (car wl-thread-entity-list)))
86 (wl-thread-entity-make-number-list-from-children
87 (wl-thread-get-entity (car children)))
88 (setq children (cdr children)))
90 (setq parent (wl-thread-entity-get-parent-entity node)
91 sibling (wl-thread-entity-get-younger-brothers
94 (wl-thread-entity-make-number-list-from-children
95 (wl-thread-get-entity (car sibling)))
96 (setq sibling (cdr sibling)))
98 (setq wl-summary-buffer-number-list (nreverse
99 wl-summary-buffer-number-list))))
101 (defun wl-thread-entity-make-number-list-from-children (entity)
102 (let ((msgs (list (car entity)))
105 (setq wl-summary-buffer-number-list (cons (car entity)
106 wl-summary-buffer-number-list))
107 (setq msgs (cdr msgs))
108 (setq children (wl-thread-entity-get-children entity))
111 (wl-push msgs msgs-stack)
112 (setq msgs children))
114 (while (and (null msgs) msgs-stack)
115 (setq msgs (wl-pop msgs-stack)))))
116 (setq entity (wl-thread-get-entity (car msgs))))))
118 (defun wl-thread-save-entity (dir)
119 (wl-thread-save-entities dir)
120 (wl-thread-save-top-list dir))
122 (defun wl-thread-save-top-list (dir)
123 (let ((top-file (expand-file-name wl-thread-entity-list-file dir))
124 (entity wl-thread-entity-list)
125 (tmp-buffer (get-buffer-create " *wl-thread-save-top-list*")))
127 (set-buffer tmp-buffer)
129 (when (file-writable-p top-file)
130 (prin1 entity tmp-buffer)
131 (princ "\n" tmp-buffer)
132 (write-region (point-min) (point-max) top-file nil 'no-msg)
133 (kill-buffer tmp-buffer)))))
135 (defun wl-thread-save-entities (dir)
136 (let ((top-file (expand-file-name wl-thread-entity-file dir))
137 (entities wl-thread-entities)
138 (tmp-buffer (get-buffer-create " *wl-thread-save-entities*")))
140 (set-buffer tmp-buffer)
142 (when (file-writable-p top-file)
143 (prin1 entities tmp-buffer)
144 (princ "\n" tmp-buffer)
145 (write-region (point-min) (point-max) top-file nil 'no-msg)
146 (kill-buffer tmp-buffer)))))
148 (defsubst wl-thread-entity-get-number (entity)
150 (defsubst wl-thread-entity-get-opened (entity)
152 (defsubst wl-thread-entity-get-children (entity)
154 (defsubst wl-thread-entity-get-parent (entity)
156 (defsubst wl-thread-entity-get-linked (entity)
159 (defsubst wl-thread-create-entity (num parent &optional opened linked)
160 (list num (or opened wl-thread-insert-opened) nil parent linked))
162 (defsubst wl-thread-get-entity (num)
164 (elmo-get-hash-val (format "#%d" num) wl-thread-entity-hashtb)))
166 (defsubst wl-thread-entity-set-parent (entity parent)
167 (setcar (cdddr entity) parent)
170 (defsubst wl-thread-entity-set-children (entity children)
171 (setcar (cddr entity) children))
173 (defsubst wl-thread-entity-set-linked (entity linked)
175 (setcar (cddddr entity) linked)
176 (nconc entity (list linked)))
179 (defsubst wl-thread-reparent-children (children parent)
181 (wl-thread-entity-set-parent
182 (wl-thread-get-entity (car children)) parent)
183 (wl-thread-entity-set-linked
184 (wl-thread-get-entity (car children)) t)
185 (setq children (cdr children))))
187 (defsubst wl-thread-entity-insert-as-top (entity)
190 (wl-append wl-thread-entity-list (list (car entity)))
191 (setq wl-thread-entities (cons entity wl-thread-entities))
192 (setq wl-summary-buffer-number-list
193 (nconc wl-summary-buffer-number-list (list (car entity))))
194 (elmo-set-hash-val (format "#%d" (car entity)) entity
195 wl-thread-entity-hashtb)))
197 (defsubst wl-thread-entity-insert-as-children (to entity)
198 (let ((children (wl-thread-entity-get-children to))
201 (elmo-list-insert wl-summary-buffer-number-list
202 (wl-thread-entity-get-number entity)
205 (wl-thread-entity-get-children curp))
206 (setq curp (wl-thread-get-entity
207 (nth (- (length curc) 1)
209 (wl-thread-entity-get-number curp)))
210 (setcar (cddr to) (wl-append children
211 (list (car entity))))
212 (setq wl-thread-entities (cons entity wl-thread-entities))
213 (elmo-set-hash-val (format "#%d" (car entity)) entity
214 wl-thread-entity-hashtb)))
216 (defsubst wl-thread-entity-set-opened (entity opened)
217 (setcar (cdr entity) opened))
219 (defsubst wl-thread-entity-get-children-num (entity)
222 (msgs (list (car entity))))
224 (setq msgs (cdr msgs))
225 (setq children (wl-thread-entity-get-children entity))
227 (while (and (null msgs) msgs-stack)
228 (setq msgs (wl-pop msgs-stack)))
229 (setq ret-val (+ (or ret-val 0) (length children)))
230 (wl-push msgs msgs-stack)
231 (setq msgs children))
232 (setq entity (wl-thread-get-entity (car msgs))))
235 (defsubst wl-thread-entity-get-descendant (entity)
238 (msgs (list (car entity))))
240 (setq msgs (cdr msgs))
241 (setq children (wl-thread-entity-get-children entity))
243 (while (and (null msgs) msgs-stack)
244 (setq msgs (wl-pop msgs-stack)))
245 (setq ret-val (append ret-val (copy-sequence children)))
246 (wl-push msgs msgs-stack)
247 (setq msgs children))
248 (setq entity (wl-thread-get-entity (car msgs))))
251 (defsubst wl-thread-entity-get-parent-entity (entity)
252 (wl-thread-get-entity (wl-thread-entity-get-parent entity)))
254 (defun wl-thread-entity-get-top-entity (entity)
255 (let ((cur-entity entity)
257 (while (setq p-num (wl-thread-entity-get-parent cur-entity))
258 (setq cur-entity (wl-thread-get-entity p-num)))
261 (defun wl-thread-entity-parent-invisible-p (entity)
262 "If parent of ENTITY is invisible, the top invisible ancestor entity of
264 (let ((cur-entity entity)
267 (while (setq cur-entity (wl-thread-entity-get-parent-entity
269 (if (null (wl-thread-entity-get-number cur-entity))
274 (when (not (wl-thread-entity-get-opened cur-entity))
276 (setq ret-val cur-entity)))))
277 ;; top of closed entity in the path.
280 (defun wl-thread-entity-get-nearly-older-brother (entity &optional parent)
281 (let ((brothers (wl-thread-entity-get-older-brothers entity parent)))
283 (car (last brothers)))))
285 (defun wl-thread-entity-get-older-brothers (entity &optional parent)
286 (let* ((parent (or parent
287 (wl-thread-entity-get-parent-entity entity)))
288 (brothers (wl-thread-entity-get-children parent))
292 (setq brothers wl-thread-entity-list))
294 (not (eq (wl-thread-entity-get-number entity)
296 (wl-append ret-val (list (car brothers)))
297 (setq brothers (cdr brothers)))
300 (defun wl-thread-entity-get-younger-brothers (entity &optional parent)
301 (let* ((parent (or parent
302 (wl-thread-entity-get-parent-entity entity)))
303 (brothers (wl-thread-entity-get-children parent)))
305 (cdr (memq (wl-thread-entity-get-number entity)
308 (cdr (memq (car entity) wl-thread-entity-list)))))
310 (defun wl-thread-jump-to-msg (&optional number)
312 (let ((num (or number
314 (read-from-minibuffer "Jump to Message(No.): ")))))
315 (wl-thread-entity-force-open (wl-thread-get-entity num))
316 (wl-summary-jump-to-msg num)))
318 (defun wl-thread-close-all ()
319 "Close all top threads."
321 (message "Closing all threads...")
323 (let ((entities wl-thread-entity-list)
325 (len (length wl-thread-entity-list)))
327 (when (and (wl-thread-entity-get-opened (wl-thread-get-entity
329 (wl-thread-entity-get-children (wl-thread-get-entity
331 (wl-summary-jump-to-msg (car entities))
332 (wl-thread-open-close))
333 (when (> len elmo-display-progress-threshold)
335 (if (or (zerop (% cur 5)) (= cur len))
336 (elmo-display-progress
337 'wl-thread-close-all "Closing all threads..."
338 (/ (* cur 100) len))))
339 (setq entities (cdr entities)))))
340 (message "Closing all threads...done"))
342 (defun wl-thread-open-all ()
345 (message "Opening all threads...")
347 (goto-char (point-min))
348 (let ((len (count-lines (point-min) (point-max)))
352 (if (wl-thread-entity-get-opened
353 (setq entity (wl-thread-get-entity
354 (wl-summary-message-number))))
356 (wl-thread-force-open)
357 (wl-thread-goto-bottom-of-sub-thread))
358 (when (> len elmo-display-progress-threshold)
360 (elmo-display-progress
361 'wl-thread-open-all "Opening all threads..."
362 (/ (* cur 100) len)))))
363 ;; Make sure to be 100%.
364 (elmo-display-progress
365 'wl-thread-open-all "Opening all threads..."
367 (message "Opening all threads...done"))
369 (defun wl-thread-open-all-unread ()
371 (dolist (number (elmo-folder-list-messages-mark-match
372 wl-summary-buffer-elmo-folder
373 (wl-regexp-opt (list wl-summary-unread-uncached-mark
374 wl-summary-unread-cached-mark
376 wl-summary-important-mark))))
377 (wl-thread-entity-force-open (wl-thread-get-entity number))))
379 (defsubst wl-thread-maybe-get-children-num (msg)
380 (let ((entity (wl-thread-get-entity msg)))
381 (if (not (wl-thread-entity-get-opened entity))
382 (wl-thread-entity-get-children-num entity))))
384 (defsubst wl-thread-update-line-on-buffer-sub (entity msg &optional parent-msg)
385 (let* ((entity (or entity (wl-thread-get-entity msg)))
386 (parent-msg (or parent-msg (wl-thread-entity-get-parent entity)))
387 (overview (elmo-msgdb-get-overview (wl-summary-buffer-msgdb)))
388 (buffer-read-only nil)
389 (inhibit-read-only t)
390 overview-entity temp-mark summary-line invisible-top dest-pair)
391 (if (wl-thread-delete-line-from-buffer msg)
394 ((memq msg wl-summary-buffer-delete-list)
395 (setq temp-mark "D"))
396 ((memq msg wl-summary-buffer-target-mark-list)
397 (setq temp-mark "*"))
398 ((setq dest-pair (assq msg wl-summary-buffer-refile-list))
399 (setq temp-mark "o"))
400 ((setq dest-pair (assq msg wl-summary-buffer-copy-list))
401 (setq temp-mark "O"))
402 (t (setq temp-mark (wl-summary-get-score-mark msg))))
403 (when (setq overview-entity
404 (elmo-msgdb-overview-get-entity
405 msg (wl-summary-buffer-msgdb)))
406 (wl-summary-insert-line
407 (wl-summary-create-line
409 (elmo-msgdb-overview-get-entity
410 parent-msg (wl-summary-buffer-msgdb))
412 (if wl-thread-insert-force-opened
414 (wl-thread-maybe-get-children-num msg))
415 (wl-thread-make-indent-string entity)
416 (wl-thread-entity-get-linked entity)))
418 (wl-summary-print-destination (car dest-pair)
420 ;; insert thread (moving thread)
421 (if (not (setq invisible-top
422 (wl-thread-entity-parent-invisible-p entity)))
423 (wl-summary-update-thread
424 (elmo-msgdb-overview-get-entity msg (wl-summary-buffer-msgdb))
427 (elmo-msgdb-overview-get-entity
428 parent-msg (wl-summary-buffer-msgdb))))
429 ;; currently invisible.. update closed line.
430 (wl-thread-update-children-number invisible-top)))))
432 (defun wl-thread-update-line-on-buffer (&optional msg parent-msg updates)
434 (let ((msgs (list (or msg (wl-summary-message-number))))
435 entity children msgs-stack)
437 (setq msg (wl-pop msgs))
438 (setq updates (and updates (delete msg updates)))
439 (setq entity (wl-thread-get-entity msg))
440 (wl-thread-update-line-on-buffer-sub entity msg parent-msg)
442 (setq children (wl-thread-entity-get-children entity))
445 (when (wl-thread-entity-get-opened entity)
446 (wl-push msgs msgs-stack)
450 (while (and (null msgs) msgs-stack)
451 (setq msgs (wl-pop msgs-stack)))
454 (wl-thread-entity-get-number
455 (wl-thread-entity-get-parent-entity
456 (wl-thread-get-entity (car msgs)))))))))
459 (defun wl-thread-update-line-msgs (msgs &optional no-msg)
460 (wl-delete-all-overlays)
467 ;;; (wl-thread-get-children-msgs (car msgs))))
468 ;;; (setq msgs (cdr msgs)))
469 ;;; (setq updates (elmo-uniq-list updates))
470 (setq len (length updates))
472 (wl-thread-update-line-on-buffer-sub nil (car updates))
473 (setq updates (cdr updates))
474 (when (and (not no-msg)
475 (> len elmo-display-progress-threshold))
477 (if (or (zerop (% i 5)) (= i len))
478 (elmo-display-progress
479 'wl-thread-update-line-msgs "Updating deleted thread..."
480 (/ (* i 100) len)))))))
482 (defun wl-thread-delete-line-from-buffer (msg)
483 "Simply delete msg line."
485 (if (wl-summary-jump-to-msg msg)
489 (delete-region beg (point))
493 (defun wl-thread-cleanup-symbols (msgs)
496 (when (setq entity (wl-thread-get-entity (car msgs)))
498 (setq wl-thread-entities (delq entity wl-thread-entities))
500 (elmo-clear-hash-val (format "#%d" (car msgs))
501 wl-thread-entity-hashtb))
502 (setq msgs (cdr msgs)))))
504 (defun wl-thread-get-exist-children (msg &optional include-self)
505 (let ((msgs (list msg))
509 (setq children (wl-thread-entity-get-children
510 (setq entity (wl-thread-get-entity (car msgs)))))
511 (when (elmo-msgdb-overview-get-entity (car msgs)
512 (wl-summary-buffer-msgdb))
513 (wl-append ret-val (list (car msgs)))
515 (setq msgs (cdr msgs))
517 (while (and (null msgs) msgs-stack)
518 (setq msgs (wl-pop msgs-stack)))
519 (wl-push msgs msgs-stack)
520 (setq msgs children)))
521 (unless include-self (setq ret-val (delq msg ret-val)))
524 (defun wl-thread-delete-message (msg &optional deep update)
525 "Delete MSG from entity and buffer."
527 (let* ((entity (wl-thread-get-entity msg))
528 children older-brothers younger-brothers top-child ;;grandchildren
529 top-entity parent update-msgs beg invisible-top)
531 (setq parent (wl-thread-entity-get-parent-entity entity))
535 ;;; (setq brothers (wl-thread-entity-get-children parent))
536 (setq older-brothers (wl-thread-entity-get-older-brothers
538 (setq younger-brothers (wl-thread-entity-get-younger-brothers
542 (setq children (wl-thread-entity-get-children entity))
543 (wl-thread-reparent-children
544 children (wl-thread-entity-get-number parent))
546 (apply (function nconc)
551 (wl-thread-get-children-msgs message t)))
553 (wl-thread-entity-set-children
554 parent (append older-brothers children younger-brothers))
555 ;; If chidren and younger-brothers not exists,
556 ;; update nearly older brother.
557 (when (and older-brothers
558 (not younger-brothers)
562 (wl-thread-get-children-msgs (car (last older-brothers))))))
564 ;; top...oldest child becomes top.
566 (setq children (wl-thread-entity-get-children entity))
568 (setq top-child (car children)
569 children (cdr children))
570 (setq top-entity (wl-thread-get-entity top-child))
571 (wl-thread-entity-set-parent top-entity nil)
572 (wl-thread-entity-set-linked top-entity nil)
573 (wl-append update-msgs
574 (wl-thread-get-children-msgs top-child t)))
576 (wl-thread-entity-set-children
579 (wl-thread-entity-get-children top-entity)
581 (wl-thread-reparent-children children top-child)
582 (wl-append update-msgs children)))
583 ;; delete myself from top list.
584 (setq wl-summary-buffer-number-list
585 (delq msg wl-summary-buffer-number-list))
586 (setq older-brothers (wl-thread-entity-get-older-brothers
588 (setq younger-brothers (wl-thread-entity-get-younger-brothers
590 (setq wl-thread-entity-list
591 (append (append older-brothers
592 (and top-child (list top-child)))
596 ;; delete thread on buffer
597 (when (wl-summary-jump-to-msg msg)
599 (wl-thread-goto-bottom-of-sub-thread)
600 (delete-region beg (point)))
601 ;; delete myself from buffer.
602 (unless (wl-thread-delete-line-from-buffer msg)
603 ;; jump to suitable point.
604 ;; just upon the oldest younger-brother of my top.
606 (car (wl-thread-entity-parent-invisible-p entity)))
609 (wl-append update-msgs (list invisible-top))
610 (wl-summary-jump-to-msg invisible-top))
611 (goto-char (point-max))))
613 ;; insert children if thread is closed or delete top.
615 (not (wl-thread-entity-get-opened entity)))
616 (let* (next-top insert-msgs ent e grandchildren)
619 (setq insert-msgs (wl-thread-get-exist-children
620 top-child 'include-self))
621 (setq next-top (car insert-msgs))
622 (setq ent (wl-thread-get-entity next-top))
624 (wl-thread-entity-get-opened entity) ;; open
625 (not (wl-thread-entity-get-opened ent)) ;; close
627 (wl-thread-entity-get-children ent))
628 (wl-summary-jump-to-msg next-top))
630 (setq insert-msgs (append (cdr insert-msgs) grandchildren)))
631 (when top-entity (wl-thread-entity-set-opened top-entity t))
632 (when ent (wl-thread-entity-set-opened ent t)))
633 (when (not invisible-top)
634 (setq insert-msgs (wl-thread-get-exist-children msg))
635 ;; First msg always opened, because first msg maybe becomes top.
636 (if (setq ent (wl-thread-get-entity (car insert-msgs)))
637 (wl-thread-entity-set-opened ent t))))
640 ;; if no exists in summary, insert entity.
641 (when (and (car insert-msgs)
642 (not (wl-summary-jump-to-msg (car insert-msgs))))
643 (setq ent (wl-thread-get-entity (car insert-msgs)))
644 (wl-thread-insert-entity 0 ; no mean now...
646 (setq insert-msgs (cdr insert-msgs))))))
650 (wl-thread-update-line-on-buffer-sub nil (pop update-msgs)))
651 ;; don't update buffer
652 update-msgs)))) ; return value
654 (defun wl-thread-insert-message (overview-entity
655 msg parent-msg &optional update linked)
656 "Insert MSG to the entity.
657 When optional argument UPDATE is non-nil,
658 Message is inserted to the summary buffer."
659 (let ((parent (wl-thread-get-entity parent-msg))
660 child-entity invisible-top)
661 ;;; Update the thread view...not implemented yet.
662 ;;; (when force-insert
664 ;;; (wl-thread-entity-force-open parent))
666 ;; insert as children.
667 (wl-thread-entity-insert-as-children
669 (setq child-entity (wl-thread-create-entity
670 msg (nth 0 parent) nil linked)))
671 ;; insert as top message.
672 (wl-thread-entity-insert-as-top
673 (wl-thread-create-entity msg nil)))
675 (if (not (setq invisible-top
676 (wl-thread-entity-parent-invisible-p child-entity)))
679 (wl-summary-update-thread
682 (elmo-msgdb-overview-get-entity
683 parent-msg (wl-summary-buffer-msgdb)))
685 ;; use thread structure.
686 (wl-thread-entity-get-nearly-older-brother
687 child-entity parent))) ; return value
688 ;;; (wl-thread-entity-get-number
689 ;;; (wl-thread-entity-get-top-entity parent)))) ; return value;
690 ;;; (setq beg (point))
691 ;;; (wl-thread-goto-bottom-of-sub-thread)
692 ;;; (wl-thread-update-indent-string-region beg (point)))
693 ;; currently invisible.. update closed line.
694 (wl-thread-update-children-number invisible-top)
697 (defun wl-thread-get-parent-list (msgs)
701 (setq myself (car msgs2)
703 (while (not (eq myself (car msgs2)))
704 (if (wl-thread-descendant-p myself (car msgs2))
705 (setq msgs (delq (car msgs2) msgs)))
706 (setq msgs2 (or (cdr msgs2) msgs)))
707 (setq msgs2 (cdr msgs2)))
710 (defun wl-thread-update-indent-string-thread (top-list)
711 (let ((top-list (wl-thread-get-parent-list top-list))
715 (wl-summary-jump-to-msg (car top-list))
717 (wl-thread-goto-bottom-of-sub-thread)
718 (wl-thread-update-indent-string-region beg (point)))
719 (setq top-list (cdr top-list)))))
721 (defun wl-thread-update-children-number (entity)
722 "Update the children number."
724 (wl-summary-jump-to-msg (wl-thread-entity-get-number entity))
726 (let ((text-prop (get-text-property (point) 'face))
727 from from-end beg str)
729 ((looking-at (concat "^" wl-summary-buffer-number-regexp
730 "..../..\(.*\)..:.. ["
731 wl-thread-indent-regexp
732 "]*[[<]\\+\\([0-9]+\\):"))
733 (delete-region (match-beginning 1)(match-end 1))
734 (goto-char (match-beginning 1))
735 (setq str (format "%s" (wl-thread-entity-get-children-num entity)))
736 (if wl-summary-highlight
737 (put-text-property 0 (length str) 'face text-prop str))
739 ((looking-at (concat "^" wl-summary-buffer-number-regexp
740 "..../..\(.*\)..:.. ["
741 wl-thread-indent-regexp
743 (goto-char (match-end 0))
744 (setq beg (current-column))
745 (setq from-end (save-excursion
746 (move-to-column (+ 1 beg wl-summary-from-width))
748 (setq from (buffer-substring (match-end 0) from-end))
749 (delete-region (match-end 0) from-end)
750 (setq str (wl-set-string-width
751 (1+ wl-summary-from-width)
754 (wl-thread-entity-get-children-num
757 (if wl-summary-highlight
758 (put-text-property 0 (length str) 'face text-prop str))
760 (condition-case nil ; it's dangerous, so ignore error.
761 (run-hooks 'wl-thread-update-children-number-hook)
764 (message "Error in wl-thread-update-children-number-hook."))))))))
767 ;; Thread oriented commands.
769 (defun wl-thread-call-region-func (func &optional arg)
772 (wl-summary-goto-top-of-current-thread)
775 (wl-thread-goto-bottom-of-sub-thread)
776 (funcall func beg (point)))))
778 (defun wl-thread-prefetch (&optional arg)
780 (wl-thread-call-region-func 'wl-summary-prefetch-region arg))
782 (defun wl-thread-msg-mark-as-important (msg)
783 "Set mark as important for invisible MSG. Modeline is not changed."
784 (let ((msgdb (wl-summary-buffer-msgdb))
786 (setq cur-mark (elmo-msgdb-get-mark msgdb msg))
787 (elmo-msgdb-set-mark msgdb
789 (if (string= cur-mark wl-summary-important-mark)
791 wl-summary-important-mark))
792 (wl-summary-set-mark-modified)))
794 (defun wl-thread-mark-as-read (&optional arg)
796 (wl-thread-call-region-func 'wl-summary-mark-as-read-region arg))
798 (defun wl-thread-mark-as-unread (&optional arg)
800 (wl-thread-call-region-func 'wl-summary-mark-as-unread-region arg))
802 (defun wl-thread-mark-as-important (&optional arg)
804 (wl-thread-call-region-func 'wl-summary-mark-as-important-region arg))
806 (defun wl-thread-copy (&optional arg)
808 (wl-thread-call-region-func 'wl-summary-copy-region arg))
810 (defun wl-thread-refile (&optional arg)
814 (wl-thread-call-region-func 'wl-summary-refile-region arg)
816 (wl-summary-goto-top-of-current-thread))
817 (wl-thread-goto-bottom-of-sub-thread))
819 (elmo-display-error err t)
822 (defun wl-thread-delete (&optional arg)
824 (wl-thread-call-region-func 'wl-summary-delete-region arg)
826 (wl-summary-goto-top-of-current-thread))
827 (if (not wl-summary-move-direction-downward)
829 (wl-thread-goto-bottom-of-sub-thread)
830 (if wl-summary-buffer-disp-msg
831 (wl-summary-redisplay))))
833 (defun wl-thread-target-mark (&optional arg)
835 (wl-thread-call-region-func 'wl-summary-target-mark-region arg))
837 (defun wl-thread-unmark (&optional arg)
839 (wl-thread-call-region-func 'wl-summary-unmark-region arg))
841 (defun wl-thread-exec (&optional arg)
843 (wl-thread-call-region-func 'wl-summary-exec-region arg))
845 (defun wl-thread-save (&optional arg)
847 (wl-thread-call-region-func 'wl-summary-save-region arg))
849 (defun wl-thread-force-open (&optional msg-num)
850 "force open current folder"
852 (wl-summary-jump-to-msg msg-num))
853 (let ((wl-thread-insert-force-opened t))
854 (wl-thread-open-close)))
856 (defun wl-thread-entity-force-open (entity)
857 (let ((wl-thread-insert-force-opened t)
859 (if (null (wl-thread-entity-get-parent entity))
861 (if (and (not (wl-thread-entity-get-opened entity))
862 (wl-thread-entity-get-children entity))
863 (wl-thread-force-open (wl-thread-entity-get-number entity)))
864 (if (setq notopen (wl-thread-entity-parent-invisible-p entity))
865 (wl-thread-force-open (wl-thread-entity-get-number notopen))))))
867 (defun wl-thread-insert-top ()
868 (let ((elist wl-thread-entity-list)
869 (len (length wl-thread-entity-list))
871 (wl-delete-all-overlays)
873 (wl-thread-insert-entity
875 (wl-thread-get-entity (car elist))
878 (setq elist (cdr elist))
879 (when (> len elmo-display-progress-threshold)
881 (if (or (zerop (% cur 2)) (= cur len))
882 (elmo-display-progress
883 'wl-thread-insert-top "Inserting thread..."
884 (/ (* cur 100) len)))))))
886 (defsubst wl-thread-insert-entity-sub (indent entity parent-entity all)
891 (when (setq msg-num (wl-thread-entity-get-number entity))
892 (unless all ; all...means no temp-mark.
893 (cond ((memq msg-num wl-summary-buffer-delete-list)
894 (setq temp-mark "D"))
895 ((memq msg-num wl-summary-buffer-target-mark-list)
896 (setq temp-mark "*"))
897 ((assq msg-num wl-summary-buffer-refile-list)
898 (setq temp-mark "o"))
899 ((assq msg-num wl-summary-buffer-copy-list)
900 (setq temp-mark "O"))))
902 (setq temp-mark (wl-summary-get-score-mark msg-num)))
903 (setq overview-entity
904 (elmo-msgdb-overview-get-entity
905 (nth 0 entity) (wl-summary-buffer-msgdb)))
906 ;;; (wl-delete-all-overlays)
907 (when overview-entity
908 (wl-summary-insert-line
909 (wl-summary-create-line
911 (elmo-msgdb-overview-get-entity
912 (nth 0 parent-entity) (wl-summary-buffer-msgdb))
914 (if wl-thread-insert-force-opened
916 (wl-thread-maybe-get-children-num msg-num))
917 (wl-thread-make-indent-string entity)
918 (wl-thread-entity-get-linked entity)))))))
920 (defun wl-thread-insert-entity (indent entity parent-entity all)
921 "Insert thread entity in current buffer."
922 (let ((msgs (list (car entity)))
925 (wl-thread-insert-entity-sub indent entity parent-entity all)
926 (setq msgs (cdr msgs))
927 (setq children (nth 2 entity))
930 (when (or wl-thread-insert-force-opened
931 (wl-thread-entity-get-opened entity))
932 (wl-thread-entity-set-opened entity t)
933 (wl-push msgs msgs-stack)
936 parent-entity entity)))
938 (while (and (null msgs) msgs-stack)
939 (setq msgs (wl-pop msgs-stack))
940 (setq indent (1- indent)))
942 (setq entity (wl-thread-get-entity (car msgs)))
943 (setq parent-entity (wl-thread-entity-get-parent-entity entity))))
944 (setq entity (wl-thread-get-entity (car msgs))))))
946 (defun wl-thread-descendant-p (mynumber number)
947 (let ((cur (wl-thread-get-entity number))
951 (setq cur (wl-thread-entity-get-parent-entity cur))
952 (if (null (setq num (wl-thread-entity-get-number cur))) ; top!
955 (eq mynumber (wl-thread-entity-get-number cur)))
959 ;; (defun wl-thread-goto-bottom-of-sub-thread ()
961 ;; (let ((depth (wl-thread-get-depth-of-current-line)))
963 ;; (while (and (not (eobp))
964 ;; (> (wl-thread-get-depth-of-current-line)
967 ;; (beginning-of-line)))
969 (defun wl-thread-goto-bottom-of-sub-thread (&optional msg)
971 (let ((mynumber (or msg (wl-summary-message-number))))
973 (while (wl-thread-descendant-p mynumber (wl-summary-message-number))
975 (beginning-of-line)))
977 (defun wl-thread-remove-destination-region (beg end)
980 (narrow-to-region beg end)
981 (goto-char (point-min))
983 (let ((num (wl-summary-message-number)))
984 (if (assq num wl-summary-buffer-refile-list)
985 (wl-summary-remove-destination)))
988 (defun wl-thread-print-destination-region (beg end)
989 (if (or wl-summary-buffer-refile-list
990 wl-summary-buffer-copy-list)
993 (narrow-to-region beg end)
994 (goto-char (point-min))
996 (let ((num (wl-summary-message-number))
998 (if (or (setq pair (assq num wl-summary-buffer-refile-list))
999 (setq pair (assq num wl-summary-buffer-copy-list)))
1000 (wl-summary-print-destination (car pair) (cdr pair))))
1001 (forward-line 1))))))
1003 (defsubst wl-thread-get-children-msgs (msg &optional visible-only)
1004 (let ((msgs (list msg))
1008 (wl-append ret-val (list (car msgs)))
1009 (setq children (wl-thread-entity-get-children
1010 (setq entity (wl-thread-get-entity (car msgs)))))
1011 (if (and visible-only
1012 (not (wl-thread-entity-get-opened entity)))
1013 (setq children nil))
1014 (setq msgs (cdr msgs))
1016 (while (and (null msgs) msgs-stack)
1017 (setq msgs (wl-pop msgs-stack)))
1018 (wl-push msgs msgs-stack)
1019 (setq msgs children)))
1022 (defun wl-thread-get-children-msgs-uncached (msg &optional uncached-marks)
1023 (let ((children-msgs (wl-thread-get-children-msgs msg))
1024 (number-alist (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb)))
1027 (while children-msgs
1028 (if (and (not (eq msg (car children-msgs))) ; except itself
1029 (or (and uncached-marks
1030 (setq mark (elmo-msgdb-get-mark
1031 (wl-summary-buffer-msgdb)
1032 (car children-msgs)))
1033 (member mark uncached-marks))
1034 (and (not uncached-marks)
1035 (null (elmo-file-cache-exists-p
1037 wl-summary-buffer-elmo-folder
1040 (wl-append uncached-list (list (car children-msgs))))
1041 (setq children-msgs (cdr children-msgs)))
1044 (defun wl-thread-get-children-msgs-with-mark (msg mark)
1045 (let ((children-msgs (wl-thread-get-children-msgs msg))
1046 (check-func (cond ((string= mark "o")
1047 'wl-summary-msg-marked-as-refiled)
1049 'wl-summary-msg-marked-as-copied)
1051 'wl-summary-msg-marked-as-deleted)
1053 'wl-summary-msg-marked-as-target)))
1055 (while children-msgs
1056 (if (funcall check-func (car children-msgs))
1057 (wl-append ret-val (list (car children-msgs))))
1058 (setq children-msgs (cdr children-msgs)))
1061 (defun wl-thread-close (entity)
1063 (wl-thread-entity-set-opened entity nil)
1064 (setq depth (wl-thread-get-depth-of-current-line))
1067 (wl-thread-goto-bottom-of-sub-thread)
1068 (wl-thread-remove-destination-region beg
1070 (forward-char -1) ;; needed for mouse-face.
1071 (delete-region beg (point))
1072 (wl-thread-insert-entity (- depth 1)
1074 (wl-thread-get-entity
1077 (delete-char 1) ; delete '\n'
1078 (wl-thread-print-destination-region beg (point))))
1080 (defun wl-thread-open (entity)
1084 (setq depth (wl-thread-get-depth-of-current-line))
1086 (delete-region beg (point))
1087 (wl-thread-entity-set-opened entity t)
1088 (wl-thread-insert-entity depth ;(- depth 1)
1090 (wl-thread-get-entity
1091 (nth 3 entity)) nil)
1092 (delete-char 1) ; delete '\n'
1093 (wl-thread-print-destination-region beg (point))))
1095 (defun wl-thread-open-close (&optional force-open)
1097 (when (eq wl-summary-buffer-view 'thread)
1098 ;;; (if (equal wl-thread-top-entity '(nil t nil nil))
1099 ;;; (error "There's no thread structure"))
1101 (let ((inhibit-read-only t)
1102 (buffer-read-only nil)
1103 (wl-thread-insert-force-opened
1104 (or wl-thread-insert-force-opened
1107 (setq msg (wl-summary-message-number))
1108 (setq entity (wl-thread-get-entity msg))
1109 (if (wl-thread-entity-get-opened entity)
1110 ;; if already opened, close its child!
1111 (if (wl-thread-entity-get-children entity)
1112 (wl-thread-close entity)
1113 ;; opened, but has no children, close its parent!
1114 (when (setq parent (wl-thread-entity-get-parent entity))
1115 (wl-summary-jump-to-msg parent)
1117 (wl-thread-get-entity (wl-summary-message-number)))))
1118 ;; if closed (or it is just a thread bottom message)
1119 ;; has children, open it!
1120 (if (wl-thread-entity-get-children entity)
1121 (wl-thread-open entity)
1122 ;; closed, and has no children, close its parent!
1123 (setq msg (or (wl-thread-entity-get-parent entity)
1124 (wl-thread-entity-get-number entity)))
1126 (wl-summary-jump-to-msg msg)
1128 (wl-thread-get-entity (wl-summary-message-number)))))))
1129 (wl-summary-set-message-modified)
1130 (set-buffer-modified-p nil))))
1132 (defun wl-thread-get-depth-of-current-line ()
1133 (let ((entity (wl-thread-get-entity (wl-summary-message-number)))
1136 (while (setq number (wl-thread-entity-get-parent entity))
1138 (setq entity (wl-thread-get-entity number)))
1141 (defun wl-thread-update-indent-string-region (beg end)
1145 (while (< (point) end)
1146 (wl-thread-update-indent-string)
1149 (defsubst wl-thread-make-indent-string (entity)
1152 (space-str (wl-repeat-string wl-thread-space-str-internal
1153 (- wl-thread-indent-level-internal 1)))
1155 (when (wl-thread-entity-get-number
1156 (setq parent (wl-thread-entity-get-parent-entity cur)))
1157 (if (wl-thread-entity-get-younger-brothers cur)
1158 (setq ret-val wl-thread-have-younger-brother-str-internal)
1159 (setq ret-val wl-thread-youngest-child-str-internal))
1160 (setq ret-val (concat ret-val
1162 wl-thread-horizontal-str-internal
1163 (- wl-thread-indent-level-internal 1))))
1165 (while (wl-thread-entity-get-number
1166 (wl-thread-entity-get-parent-entity cur))
1167 (if (wl-thread-entity-get-younger-brothers cur)
1168 (setq ret-val (concat wl-thread-vertical-str-internal
1171 (setq ret-val (concat wl-thread-space-str-internal
1174 (setq cur (wl-thread-entity-get-parent-entity cur))))
1177 (defun wl-thread-update-indent-string ()
1178 "Update indent string of current line."
1182 (let ((inhibit-read-only t)
1183 (buffer-read-only nil)
1185 (when (looking-at (concat "^ *\\([0-9]+\\)"
1186 "..../..\(.*\)..:.. \\("
1187 wl-highlight-thread-indent-string-regexp
1189 (goto-char (match-beginning 2))
1190 (delete-region (match-beginning 2)
1193 (wl-thread-make-indent-string
1194 (wl-thread-get-entity (string-to-int (wl-match-buffer 1)))))
1195 (if (and wl-summary-indent-length-limit
1196 (< wl-summary-indent-length-limit
1197 (string-width thr-str)))
1198 (setq thr-str (wl-set-string-width
1199 wl-summary-indent-length-limit
1202 (if wl-summary-highlight
1203 (wl-highlight-summary-current-line))))))
1205 (defun wl-thread-set-parent (&optional parent-number)
1206 "Set current message's parent interactively."
1208 (let ((number (wl-summary-message-number))
1209 (dst-parent (if (interactive-p)
1210 (read-from-minibuffer "Parent Message (No.): ")))
1211 entity dst-parent-entity src-parent children
1214 (if (string= dst-parent "")
1215 (setq dst-parent nil)
1217 (setq dst-parent (string-to-int dst-parent))
1218 (setq dst-parent parent-number)))
1220 (memq dst-parent (wl-thread-get-children-msgs number)))
1221 (error "Parent is children or myself"))
1222 (setq entity (wl-thread-get-entity number))
1223 (when (and number entity)
1225 (setq update-msgs (wl-thread-delete-message number 'deep))
1226 ;; insert as child at new parent
1227 (setq dst-parent-entity (wl-thread-get-entity dst-parent))
1228 (if dst-parent-entity
1231 (wl-thread-entity-get-children dst-parent-entity))
1232 (wl-append update-msgs
1233 (wl-thread-get-children-msgs
1234 (car (last children)) t)))
1235 (wl-thread-entity-set-children
1237 (append children (list number)))
1238 (wl-thread-entity-set-linked entity t))
1240 (wl-append wl-thread-entity-list (list number))
1241 (wl-thread-entity-set-linked entity nil))
1244 (wl-append update-msgs (wl-thread-get-children-msgs number t))
1245 (setq update-msgs (elmo-uniq-list update-msgs))
1246 (wl-thread-entity-set-parent entity dst-parent)
1247 ;; update thread on buffer
1248 (wl-thread-update-line-msgs update-msgs t))))
1251 (product-provide (provide 'wl-thread) (require 'wl-version))
1253 ;;; wl-thread.el ends here