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
45 (make-variable-buffer-local 'wl-thread-entity-hashtb)
46 (make-variable-buffer-local 'wl-thread-entities) ; ".wl-thread-entity"
47 (make-variable-buffer-local 'wl-thread-entity-list) ; ".wl-thread-entity-list"
50 (defvar wl-thread-insert-force-opened nil)
52 ;;;;;; each entity is (number opened-or-not children parent) ;;;;;;;
54 (defun wl-thread-resume-entity (fld)
55 (let (entities top-list)
56 (setq entities (wl-summary-load-file-object
57 (expand-file-name wl-thread-entity-file
58 (elmo-folder-msgdb-path fld))))
60 (wl-summary-load-file-object
61 (expand-file-name wl-thread-entity-list-file
62 (elmo-folder-msgdb-path fld))))
63 (message "Resuming thread structure...")
65 (setq wl-thread-entity-hashtb (elmo-make-hash (* (length entities) 2)))
66 ;; set buffer local variables.
67 (setq wl-thread-entities entities)
68 (setq wl-thread-entity-list top-list)
70 (elmo-set-hash-val (format "#%d" (car (car entities))) (car entities)
71 wl-thread-entity-hashtb)
72 (setq entities (cdr entities)))
73 (wl-thread-make-number-list)
74 (message "Resuming thread structure...done")))
76 (defun wl-thread-make-number-list ()
77 "Make `wl-summary-buffer-number-list', a list of message numbers."
78 (let* ((node (wl-thread-get-entity (car wl-thread-entity-list)))
79 (children (wl-thread-entity-get-children node))
81 (setq wl-summary-buffer-number-list (list (car wl-thread-entity-list)))
83 (wl-thread-entity-make-number-list-from-children
84 (wl-thread-get-entity (car children)))
85 (setq children (cdr children)))
87 (setq parent (wl-thread-entity-get-parent-entity node)
88 sibling (wl-thread-entity-get-younger-brothers
91 (wl-thread-entity-make-number-list-from-children
92 (wl-thread-get-entity (car sibling)))
93 (setq sibling (cdr sibling)))
95 (setq wl-summary-buffer-number-list (nreverse
96 wl-summary-buffer-number-list))))
98 (defun wl-thread-entity-make-number-list-from-children (entity)
99 (let ((msgs (list (car entity)))
102 (setq wl-summary-buffer-number-list (cons (car entity)
103 wl-summary-buffer-number-list))
104 (setq msgs (cdr msgs))
105 (setq children (wl-thread-entity-get-children entity))
108 (wl-push msgs msgs-stack)
109 (setq msgs children))
111 (while (and (null msgs) msgs-stack)
112 (setq msgs (wl-pop msgs-stack)))))
113 (setq entity (wl-thread-get-entity (car msgs))))))
115 (defun wl-thread-save-entity (dir)
116 (wl-thread-save-entities dir)
117 (wl-thread-save-top-list dir))
119 (defun wl-thread-save-top-list (dir)
120 (let ((top-file (expand-file-name wl-thread-entity-list-file dir))
121 (entity wl-thread-entity-list)
122 (tmp-buffer (get-buffer-create " *wl-thread-save-top-list*"))
125 (set-buffer tmp-buffer)
127 (when (file-writable-p top-file)
128 (prin1 entity tmp-buffer)
129 (princ "\n" tmp-buffer)
130 (write-region (point-min) (point-max) top-file nil 'no-msg)
131 (kill-buffer tmp-buffer)))))
133 (defun wl-thread-save-entities (dir)
134 (let ((top-file (expand-file-name wl-thread-entity-file dir))
135 (entities wl-thread-entities)
136 (tmp-buffer (get-buffer-create " *wl-thread-save-entities*"))
137 print-length print-level)
139 (set-buffer tmp-buffer)
141 (when (file-writable-p top-file)
142 (prin1 entities tmp-buffer)
143 (princ "\n" tmp-buffer)
144 (write-region (point-min) (point-max) top-file nil 'no-msg)
145 (kill-buffer tmp-buffer)))))
147 (defsubst wl-thread-entity-get-number (entity)
149 (defsubst wl-thread-entity-get-opened (entity)
151 (defsubst wl-thread-entity-get-children (entity)
153 (defsubst wl-thread-entity-get-parent (entity)
155 (defsubst wl-thread-entity-get-linked (entity)
158 (defsubst wl-thread-create-entity (num parent &optional opened linked)
159 (list num (or opened wl-thread-insert-opened) nil parent linked))
161 (defsubst wl-thread-get-entity (num)
163 (elmo-get-hash-val (format "#%d" num) wl-thread-entity-hashtb)))
165 (defsubst wl-thread-entity-set-parent (entity parent)
166 (setcar (cdddr entity) parent)
169 (defsubst wl-thread-entity-set-children (entity children)
170 (setcar (cddr entity) children))
172 (defsubst wl-thread-entity-set-linked (entity linked)
174 (setcar (cddddr entity) linked)
175 (nconc entity (list linked)))
178 (defsubst wl-thread-reparent-children (children parent)
180 (wl-thread-entity-set-parent
181 (wl-thread-get-entity (car children)) parent)
182 (wl-thread-entity-set-linked
183 (wl-thread-get-entity (car children)) t)
184 (setq children (cdr children))))
186 (defsubst wl-thread-entity-insert-as-top (entity)
189 (wl-append wl-thread-entity-list (list (car entity)))
190 (setq wl-thread-entities (cons entity wl-thread-entities))
191 (setq wl-summary-buffer-number-list
192 (nconc wl-summary-buffer-number-list (list (car entity))))
193 (elmo-set-hash-val (format "#%d" (car entity)) entity
194 wl-thread-entity-hashtb)))
196 (defsubst wl-thread-entity-insert-as-children (to entity)
197 (let ((children (wl-thread-entity-get-children to))
200 (elmo-list-insert wl-summary-buffer-number-list
201 (wl-thread-entity-get-number entity)
204 (wl-thread-entity-get-children curp))
205 (setq curp (wl-thread-get-entity
206 (nth (- (length curc) 1)
208 (wl-thread-entity-get-number curp)))
209 (setcar (cddr to) (wl-append children
210 (list (car entity))))
211 (setq wl-thread-entities (cons entity wl-thread-entities))
212 (elmo-set-hash-val (format "#%d" (car entity)) entity
213 wl-thread-entity-hashtb)))
215 (defsubst wl-thread-entity-set-opened (entity opened)
216 (setcar (cdr entity) opened))
218 (defsubst wl-thread-entity-get-children-num (entity)
221 (msgs (list (car entity))))
223 (setq msgs (cdr msgs))
224 (setq children (wl-thread-entity-get-children entity))
226 (while (and (null msgs) msgs-stack)
227 (setq msgs (wl-pop msgs-stack)))
228 (setq ret-val (+ (or ret-val 0) (length children)))
229 (wl-push msgs msgs-stack)
230 (setq msgs children))
231 (setq entity (wl-thread-get-entity (car msgs))))
234 (defsubst wl-thread-entity-get-descendant (entity)
237 (msgs (list (car entity))))
239 (setq msgs (cdr msgs))
240 (setq children (wl-thread-entity-get-children entity))
242 (while (and (null msgs) msgs-stack)
243 (setq msgs (wl-pop msgs-stack)))
244 (setq ret-val (append ret-val (copy-sequence children)))
245 (wl-push msgs msgs-stack)
246 (setq msgs children))
247 (setq entity (wl-thread-get-entity (car msgs))))
250 (defsubst wl-thread-entity-get-parent-entity (entity)
251 (wl-thread-get-entity (wl-thread-entity-get-parent entity)))
253 (defun wl-thread-entity-get-top-entity (entity)
254 (let ((cur-entity entity)
256 (while (setq p-num (wl-thread-entity-get-parent cur-entity))
257 (setq cur-entity (wl-thread-get-entity p-num)))
260 (defun wl-thread-entity-parent-invisible-p (entity)
261 "If parent of ENTITY is invisible, the top invisible ancestor entity of
263 (let ((cur-entity entity)
266 (while (setq cur-entity (wl-thread-entity-get-parent-entity
268 (if (null (wl-thread-entity-get-number cur-entity))
270 (when (not (wl-thread-entity-get-opened cur-entity))
271 (setq top cur-entity)))))
274 (defun wl-thread-entity-get-nearly-older-brother (entity &optional parent)
275 (let ((brothers (wl-thread-entity-get-older-brothers entity parent)))
277 (car (last brothers)))))
279 (defun wl-thread-entity-get-older-brothers (entity &optional parent)
280 (let ((parent (or parent
281 (wl-thread-entity-get-parent-entity entity)))
284 (setq brothers (wl-thread-entity-get-children parent))
285 (setq brothers wl-thread-entity-list))
287 (not (eq (wl-thread-entity-get-number entity)
289 (wl-append ret-val (list (car brothers)))
290 (setq brothers (cdr brothers)))
293 (defun wl-thread-entity-get-younger-brothers (entity &optional parent)
294 (let* ((parent (or parent
295 (wl-thread-entity-get-parent-entity entity)))
296 (brothers (wl-thread-entity-get-children parent)))
298 (cdr (memq (wl-thread-entity-get-number entity)
301 (cdr (memq (car entity) wl-thread-entity-list)))))
303 (defun wl-thread-jump-to-msg (&optional number)
305 (let ((num (or number
307 (read-from-minibuffer "Jump to Message(No.): ")))))
308 (wl-thread-entity-force-open (wl-thread-get-entity num))
309 (wl-summary-jump-to-msg num)))
311 (defun wl-thread-close-all ()
312 "Close all top threads."
314 (message "Closing all threads...")
316 (let ((entities wl-thread-entity-list)
318 (len (length wl-thread-entity-list)))
320 (when (and (wl-thread-entity-get-opened (wl-thread-get-entity
322 (wl-thread-entity-get-children (wl-thread-get-entity
324 (wl-summary-jump-to-msg (car entities))
325 (wl-thread-open-close))
326 (when (> len elmo-display-progress-threshold)
328 (if (or (zerop (% cur 5)) (= cur len))
329 (elmo-display-progress
330 'wl-thread-close-all "Closing all threads..."
331 (/ (* cur 100) len))))
332 (setq entities (cdr entities)))))
333 (message "Closing all threads...done"))
335 (defun wl-thread-open-all ()
338 (message "Opening all threads...")
340 (goto-char (point-min))
341 (let ((len (count-lines (point-min) (point-max)))
345 (if (wl-thread-entity-get-opened
346 (setq entity (wl-thread-get-entity
347 (wl-summary-message-number))))
349 (wl-thread-force-open)
350 (wl-thread-goto-bottom-of-sub-thread))
351 (when (> len elmo-display-progress-threshold)
353 (elmo-display-progress
354 'wl-thread-open-all "Opening all threads..."
355 (/ (* cur 100) len)))))
356 ;; Make sure to be 100%.
357 (elmo-display-progress
358 'wl-thread-open-all "Opening all threads..."
360 (message "Opening all threads...done"))
362 (defun wl-thread-open-all-unread ()
364 (dolist (number (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
366 (wl-thread-entity-force-open (wl-thread-get-entity number))))
368 (defsubst wl-thread-maybe-get-children-num (msg)
369 (let ((entity (wl-thread-get-entity msg)))
370 (if (not (wl-thread-entity-get-opened entity))
371 (wl-thread-entity-get-children-num entity))))
373 (defsubst wl-thread-update-line-on-buffer-sub (entity msg &optional parent-msg)
374 (let* ((entity (or entity (wl-thread-get-entity msg)))
375 (parent-msg (or parent-msg (wl-thread-entity-get-parent entity)))
376 (buffer-read-only nil)
377 (inhibit-read-only t)
378 message-entity temp-mark summary-line invisible-top dest-pair)
379 (if (wl-thread-delete-line-from-buffer msg)
382 ((memq msg wl-summary-buffer-target-mark-list)
383 (setq temp-mark "*"))
384 ((setq temp-mark (wl-summary-registered-temp-mark msg))
385 (setq dest-pair (cons (nth 0 temp-mark)(nth 2 temp-mark))
386 temp-mark (nth 1 temp-mark)))
387 (t (setq temp-mark (wl-summary-get-score-mark msg))))
388 (when (setq message-entity
389 (elmo-message-entity wl-summary-buffer-elmo-folder
391 (wl-summary-insert-line
392 (wl-summary-create-line
394 (elmo-message-entity wl-summary-buffer-elmo-folder
397 (elmo-message-flags wl-summary-buffer-elmo-folder
399 (elmo-message-cached-p wl-summary-buffer-elmo-folder
401 (if wl-thread-insert-force-opened
403 (wl-thread-maybe-get-children-num msg))
404 (wl-thread-make-indent-string entity)
405 (wl-thread-entity-get-linked entity)))
407 (wl-summary-print-argument (car dest-pair)
409 ;; insert thread (moving thread)
410 (if (not (setq invisible-top
411 (wl-thread-entity-parent-invisible-p entity)))
412 (wl-summary-update-thread
413 (elmo-message-entity wl-summary-buffer-elmo-folder msg)
416 (elmo-message-entity wl-summary-buffer-elmo-folder
418 ;; currently invisible.. update closed line.
419 (wl-thread-update-children-number invisible-top)))))
421 (defun wl-thread-update-line-on-buffer (&optional msg parent-msg updates)
423 (let ((msgs (list (or msg (wl-summary-message-number))))
424 entity children msgs-stack)
426 (setq msg (wl-pop msgs))
427 (setq updates (and updates (delete msg updates)))
428 (setq entity (wl-thread-get-entity msg))
429 (wl-thread-update-line-on-buffer-sub entity msg parent-msg)
431 (setq children (wl-thread-entity-get-children entity))
434 (when (wl-thread-entity-get-opened entity)
435 (wl-push msgs msgs-stack)
439 (while (and (null msgs) msgs-stack)
440 (setq msgs (wl-pop msgs-stack)))
443 (wl-thread-entity-get-number
444 (wl-thread-entity-get-parent-entity
445 (wl-thread-get-entity (car msgs)))))))))
448 (defun wl-thread-update-line-msgs (msgs &optional no-msg)
449 (wl-delete-all-overlays)
456 ;;; (wl-thread-get-children-msgs (car msgs))))
457 ;;; (setq msgs (cdr msgs)))
458 ;;; (setq updates (elmo-uniq-list updates))
459 (setq len (length updates))
461 (wl-thread-update-line-on-buffer-sub nil (car updates))
462 (setq updates (cdr updates))
463 (when (and (not no-msg)
464 (> len elmo-display-progress-threshold))
466 (if (or (zerop (% i 5)) (= i len))
467 (elmo-display-progress
468 'wl-thread-update-line-msgs "Updating deleted thread..."
469 (/ (* i 100) len)))))))
471 (defun wl-thread-delete-line-from-buffer (msg)
472 "Simply delete msg line."
474 (if (wl-summary-jump-to-msg msg)
478 (delete-region beg (point))
482 (defun wl-thread-cleanup-symbols (msgs)
485 (when (setq entity (wl-thread-get-entity (car msgs)))
487 (setq wl-thread-entities (delq entity wl-thread-entities))
489 (elmo-clear-hash-val (format "#%d" (car msgs))
490 wl-thread-entity-hashtb))
491 (setq msgs (cdr msgs)))))
493 (defun wl-thread-get-exist-children (msg &optional include-self)
494 (let ((msgs (list msg))
498 (setq children (wl-thread-entity-get-children
499 (setq entity (wl-thread-get-entity (car msgs)))))
500 (when (elmo-message-entity wl-summary-buffer-elmo-folder (car msgs))
501 (wl-append ret-val (list (car msgs)))
503 (setq msgs (cdr msgs))
505 (while (and (null msgs) msgs-stack)
506 (setq msgs (wl-pop msgs-stack)))
507 (wl-push msgs msgs-stack)
508 (setq msgs children)))
509 (unless include-self (setq ret-val (delq msg ret-val)))
512 (defun wl-thread-delete-message (msg &optional deep update)
513 "Delete MSG from entity and buffer."
515 (let ((entity (wl-thread-get-entity msg))
516 top-child top-entity update-msgs invisible-top)
517 (setq wl-summary-buffer-number-list
518 (delq msg wl-summary-buffer-number-list))
520 (let ((parent (wl-thread-entity-get-parent-entity entity)))
524 (older-brothers (wl-thread-entity-get-older-brothers
526 (younger-brothers (wl-thread-entity-get-younger-brothers
529 (setq children (wl-thread-entity-get-children entity))
530 (wl-thread-reparent-children
531 children (wl-thread-entity-get-number parent))
533 (apply (function nconc)
538 (wl-thread-get-children-msgs message t)))
540 (wl-thread-entity-set-children
541 parent (append older-brothers children younger-brothers))
542 ;; If chidren and younger-brothers do not exist,
543 ;; update nearly older brother.
544 (when (and older-brothers
545 (not younger-brothers)
549 (wl-thread-get-children-msgs (car (last older-brothers))))))
550 ;; top...oldest child becomes top.
552 (let ((children (wl-thread-entity-get-children entity)))
554 (setq top-child (car children)
555 children (cdr children))
556 (setq top-entity (wl-thread-get-entity top-child))
557 (wl-thread-entity-set-parent top-entity nil)
558 (wl-thread-entity-set-linked top-entity nil)
559 (wl-append update-msgs
560 (wl-thread-get-children-msgs top-child t)))
562 (wl-thread-entity-set-children
565 (wl-thread-entity-get-children top-entity)
567 (wl-thread-reparent-children children top-child)
568 (wl-append update-msgs children))))
569 ;; delete myself from top list.
570 (let ((match (memq msg wl-thread-entity-list)))
573 (setcar match top-child)
574 (setq wl-thread-entity-list
575 (delq msg wl-thread-entity-list))))))))
578 ;; delete thread on buffer
579 (when (wl-summary-jump-to-msg msg)
581 (wl-thread-goto-bottom-of-sub-thread)
582 (delete-region beg (point))))
583 ;; delete myself from buffer.
584 (unless (wl-thread-delete-line-from-buffer msg)
585 ;; jump to suitable point.
586 ;; just upon the oldest younger-brother of my top.
588 (car (wl-thread-entity-parent-invisible-p entity)))
591 (wl-append update-msgs (list invisible-top))
592 (wl-summary-jump-to-msg invisible-top))
593 (goto-char (point-max))))
595 ;; insert children if thread is closed or delete top.
597 (not (wl-thread-entity-get-opened entity)))
598 (let (next-top insert-msgs ent grandchildren)
601 (setq insert-msgs (wl-thread-get-exist-children
602 top-child 'include-self))
603 (setq next-top (car insert-msgs))
604 (setq ent (wl-thread-get-entity next-top))
606 (wl-thread-entity-get-opened entity) ;; open
607 (not (wl-thread-entity-get-opened ent)) ;; close
609 (wl-thread-entity-get-children ent))
610 (wl-summary-jump-to-msg next-top))
612 (setq insert-msgs (append (cdr insert-msgs) grandchildren)))
613 (when top-entity (wl-thread-entity-set-opened top-entity t))
614 (when ent (wl-thread-entity-set-opened ent t)))
615 (when (not invisible-top)
616 (setq insert-msgs (wl-thread-get-exist-children msg))
617 ;; First msg always opened, because first msg maybe becomes top.
618 (if (setq ent (wl-thread-get-entity (car insert-msgs)))
619 (wl-thread-entity-set-opened ent t))))
622 ;; if no exists in summary, insert entity.
623 (when (and (car insert-msgs)
624 (not (wl-summary-jump-to-msg (car insert-msgs))))
625 (setq ent (wl-thread-get-entity (car insert-msgs)))
626 (wl-thread-insert-entity 0 ; no mean now...
628 (setq insert-msgs (cdr insert-msgs))))))
632 (wl-thread-update-line-on-buffer-sub nil (pop update-msgs)))
633 ;; don't update buffer
634 update-msgs)))) ; return value
636 (defun wl-thread-insert-message (message-entity
637 msg parent-msg &optional update linked)
638 "Insert MSG to the entity.
639 When optional argument UPDATE is non-nil,
640 Message is inserted to the summary buffer."
641 (let ((parent (wl-thread-get-entity parent-msg))
642 child-entity invisible-top)
643 ;;; Update the thread view...not implemented yet.
644 ;;; (when force-insert
646 ;;; (wl-thread-entity-force-open parent))
647 (when (and wl-summary-max-thread-depth parent)
652 (setq cur (wl-thread-entity-get-parent-entity cur)))
653 (when (> depth wl-summary-max-thread-depth)
657 ;; insert as children.
658 (wl-thread-entity-insert-as-children
660 (setq child-entity (wl-thread-create-entity
661 msg (nth 0 parent) nil linked)))
662 ;; insert as top message.
663 (wl-thread-entity-insert-as-top
664 (wl-thread-create-entity msg nil)))
666 (if (not (setq invisible-top
667 (wl-thread-entity-parent-invisible-p child-entity)))
670 (wl-summary-update-thread
673 (elmo-message-entity wl-summary-buffer-elmo-folder
676 ;; use thread structure.
677 ;;(wl-thread-entity-get-nearly-older-brother
678 ;; child-entity parent))) ; return value
679 (wl-thread-entity-get-number parent))) ; return value
680 ;;; (setq beg (point))
681 ;;; (wl-thread-goto-bottom-of-sub-thread)
682 ;;; (wl-thread-update-indent-string-region beg (point)))
683 ;; currently invisible.. update closed line.
684 (wl-thread-update-children-number invisible-top)
687 ;(defun wl-thread-get-parent-list (msgs)
688 ; ;; return ancestors
689 ; (let* ((msgs2 msgs)
692 ; (setq myself (car msgs2)
694 ; (while (not (eq myself (car msgs2)))
695 ; (if (wl-thread-descendant-p myself (car msgs2))
696 ; (setq msgs (delq (car msgs2) msgs)))
697 ; (setq msgs2 (or (cdr msgs2) msgs)))
698 ; (setq msgs2 (cdr msgs2)))
701 (defun wl-thread-get-parent-list (msgs)
702 ;; return connected ancestors
706 (setq parent (wl-thread-entity-get-parent (wl-thread-get-entity (car ptr))))
707 (when (or (not parent)
708 (not (memq parent msgs)))
709 (setq ret (append ret (list (car ptr)))))
710 (setq ptr (cdr ptr)))
713 (defun wl-thread-update-indent-string-thread (top-list)
714 (let* ((top-list (wl-thread-get-parent-list top-list))
715 (num (length top-list))
719 (when (> num elmo-display-progress-threshold)
721 (when (or (zerop (% i 5)) (= i num))
722 (elmo-display-progress
723 'wl-thread-update-indent-string-thread
724 "Updating thread indent..."
727 (wl-summary-jump-to-msg (car top-list))
729 (wl-thread-goto-bottom-of-sub-thread)
730 (wl-thread-update-indent-string-region beg (point)))
731 (setq top-list (cdr top-list)))
732 (message "Updating thread indent...done")))
734 (defun wl-thread-update-children-number (entity)
735 "Update the children number."
736 (wl-thread-update-line-on-buffer (wl-thread-entity-get-number entity)))
739 ;; Thread oriented commands.
741 (defun wl-thread-call-region-func (func &optional arg)
744 (wl-summary-goto-top-of-current-thread)
747 (wl-thread-goto-bottom-of-sub-thread)
748 (funcall func beg (point)))))
750 (defun wl-thread-prefetch (&optional arg)
752 (wl-thread-call-region-func 'wl-summary-prefetch-region arg))
754 (defun wl-thread-mark-as-read (&optional arg)
756 (wl-thread-call-region-func 'wl-summary-mark-as-read-region arg))
758 (defun wl-thread-mark-as-unread (&optional arg)
760 (wl-thread-call-region-func 'wl-summary-mark-as-unread-region arg))
762 (defun wl-thread-mark-as-important (&optional arg)
764 (wl-thread-call-region-func 'wl-summary-mark-as-important-region arg))
766 (defun wl-thread-set-flags (&optional arg)
768 (wl-thread-call-region-func 'wl-summary-set-flags-region arg))
770 (defun wl-thread-mark-as-answered (&optional arg)
772 (wl-thread-call-region-func 'wl-summary-mark-as-answered-region arg))
774 (defun wl-thread-unmark (&optional arg)
776 (wl-thread-call-region-func 'wl-summary-unmark-region arg))
778 (defun wl-thread-exec (&optional arg)
780 (wl-thread-call-region-func 'wl-summary-exec-region arg))
782 (defun wl-thread-save (&optional arg)
784 (wl-thread-call-region-func 'wl-summary-save-region arg))
786 (defun wl-thread-force-open (&optional msg-num)
787 "force open current folder"
789 (wl-summary-jump-to-msg msg-num))
790 (let ((wl-thread-insert-force-opened t))
791 (wl-thread-open-close)))
793 (defun wl-thread-entity-force-open (entity)
794 (let ((wl-thread-insert-force-opened t)
796 (if (null (wl-thread-entity-get-parent entity))
798 (if (and (not (wl-thread-entity-get-opened entity))
799 (wl-thread-entity-get-children entity))
800 (wl-thread-force-open (wl-thread-entity-get-number entity)))
801 (if (setq notopen (wl-thread-entity-parent-invisible-p entity))
802 (wl-thread-force-open (wl-thread-entity-get-number notopen))))))
804 (defun wl-thread-insert-top ()
805 (let ((elist wl-thread-entity-list)
806 (len (length wl-thread-entity-list))
808 (wl-delete-all-overlays)
810 (wl-thread-insert-entity
812 (wl-thread-get-entity (car elist))
815 (setq elist (cdr elist))
816 (when (> len elmo-display-progress-threshold)
818 (if (or (zerop (% cur 2)) (= cur len))
819 (elmo-display-progress
820 'wl-thread-insert-top "Inserting message..."
821 (/ (* cur 100) len)))))))
823 (defsubst wl-thread-insert-entity-sub (indent entity parent-entity all)
828 (when (setq msg-num (wl-thread-entity-get-number entity))
829 (unless all ; all...means no temp-mark.
830 (cond ((memq msg-num wl-summary-buffer-target-mark-list)
831 (setq temp-mark "*"))
832 ((setq temp-mark (wl-summary-registered-temp-mark msg-num))
833 (setq temp-mark (nth 1 temp-mark)))))
835 (setq temp-mark (wl-summary-get-score-mark msg-num)))
837 (elmo-message-entity wl-summary-buffer-elmo-folder
839 ;;; (wl-delete-all-overlays)
841 (wl-summary-insert-line
842 (wl-summary-create-line
844 (elmo-message-entity wl-summary-buffer-elmo-folder
845 (nth 0 parent-entity))
847 (elmo-message-flags wl-summary-buffer-elmo-folder
849 (elmo-message-cached-p wl-summary-buffer-elmo-folder
851 (if wl-thread-insert-force-opened
853 (wl-thread-maybe-get-children-num msg-num))
854 (wl-thread-make-indent-string entity)
855 (wl-thread-entity-get-linked entity)))))))
857 (defun wl-thread-insert-entity (indent entity parent-entity all)
858 "Insert thread entity in current buffer."
859 (let ((msgs (list (car entity)))
862 (wl-thread-insert-entity-sub indent entity parent-entity all)
863 (setq msgs (cdr msgs))
864 (setq children (nth 2 entity))
867 (when (or wl-thread-insert-force-opened
868 (wl-thread-entity-get-opened entity))
869 (wl-thread-entity-set-opened entity t)
870 (wl-push msgs msgs-stack)
873 parent-entity entity)))
875 (while (and (null msgs) msgs-stack)
876 (setq msgs (wl-pop msgs-stack))
877 (setq indent (1- indent)))
879 (setq entity (wl-thread-get-entity (car msgs)))
880 (setq parent-entity (wl-thread-entity-get-parent-entity entity))))
881 (setq entity (wl-thread-get-entity (car msgs))))))
883 (defun wl-thread-descendant-p (mynumber number)
884 (let ((cur (wl-thread-get-entity number))
888 (setq cur (wl-thread-entity-get-parent-entity cur))
889 (if (null (setq num (wl-thread-entity-get-number cur))) ; top!
892 (eq mynumber (wl-thread-entity-get-number cur)))
896 ;; (defun wl-thread-goto-bottom-of-sub-thread ()
898 ;; (let ((depth (wl-thread-get-depth-of-current-line)))
900 ;; (while (and (not (eobp))
901 ;; (> (wl-thread-get-depth-of-current-line)
904 ;; (beginning-of-line)))
906 (defun wl-thread-goto-bottom-of-sub-thread (&optional msg)
908 (let ((mynumber (or msg (wl-summary-message-number))))
910 (while (wl-thread-descendant-p mynumber (wl-summary-message-number))
912 (beginning-of-line)))
914 (defun wl-thread-remove-argument-region (beg end)
917 (narrow-to-region beg end)
918 (goto-char (point-min))
920 (wl-summary-remove-argument)
923 (defun wl-thread-print-argument-region (beg end)
924 (if wl-summary-buffer-temp-mark-list
927 (narrow-to-region beg end)
928 (goto-char (point-min))
930 (let ((num (wl-summary-message-number))
932 (when (and (setq temp-mark
933 (wl-summary-registered-temp-mark num))
935 (setq pair (cons (nth 0 temp-mark)(nth 2 temp-mark))))
936 (wl-summary-print-argument (car pair) (cdr pair))))
937 (forward-line 1))))))
939 (defsubst wl-thread-get-children-msgs (msg &optional visible-only)
940 (let ((msgs (list msg))
944 (wl-append ret-val (list (car msgs)))
945 (setq children (wl-thread-entity-get-children
946 (setq entity (wl-thread-get-entity (car msgs)))))
947 (if (and visible-only
948 (not (wl-thread-entity-get-opened entity)))
950 (setq msgs (cdr msgs))
952 (while (and (null msgs) msgs-stack)
953 (setq msgs (wl-pop msgs-stack)))
954 (wl-push msgs msgs-stack)
955 (setq msgs children)))
958 (defun wl-thread-get-children-msgs-uncached (msg &optional uncached-marks)
959 (let ((children-msgs (wl-thread-get-children-msgs msg))
962 (if (and (not (eq msg (car children-msgs))) ; except itself
963 (or (and uncached-marks
964 (setq mark (wl-summary-message-mark
965 wl-summary-buffer-elmo-folder
966 (car children-msgs)))
967 (member mark uncached-marks))
968 (and (not uncached-marks)
969 (null (elmo-file-cache-exists-p
971 wl-summary-buffer-elmo-folder
974 (wl-append uncached-list (list (car children-msgs))))
975 (setq children-msgs (cdr children-msgs)))
978 (defun wl-thread-get-children-msgs-with-mark (msg mark)
979 (let ((children-msgs (wl-thread-get-children-msgs msg))
980 (check-func (cond ((string= mark "o")
981 'wl-summary-msg-marked-as-refiled)
983 'wl-summary-msg-marked-as-copied)
985 'wl-summary-msg-marked-as-deleted)
987 'wl-summary-msg-marked-as-target)))
990 (if (funcall check-func (car children-msgs))
991 (wl-append ret-val (list (car children-msgs))))
992 (setq children-msgs (cdr children-msgs)))
995 (defun wl-thread-close (entity)
997 (wl-thread-entity-set-opened entity nil)
998 (setq depth (wl-thread-get-depth-of-current-line))
1001 (wl-thread-goto-bottom-of-sub-thread)
1002 (wl-thread-remove-argument-region beg
1004 (forward-char -1) ;; needed for mouse-face.
1005 (delete-region beg (point))
1006 (wl-thread-insert-entity (- depth 1)
1008 (wl-thread-get-entity
1011 (delete-char 1) ; delete '\n'
1012 (wl-thread-print-argument-region beg (point))))
1014 (defun wl-thread-open (entity)
1018 (setq depth (wl-thread-get-depth-of-current-line))
1020 (delete-region beg (point))
1021 (wl-thread-entity-set-opened entity t)
1022 (wl-thread-insert-entity depth ;(- depth 1)
1024 (wl-thread-get-entity
1025 (nth 3 entity)) nil)
1026 (delete-char 1) ; delete '\n'
1027 (wl-thread-print-argument-region beg (point))))
1029 (defun wl-thread-open-close (&optional force-open)
1031 (when (eq wl-summary-buffer-view 'thread)
1032 ;;; (if (equal wl-thread-top-entity '(nil t nil nil))
1033 ;;; (error "There's no thread structure"))
1035 (let ((inhibit-read-only t)
1036 (buffer-read-only nil)
1037 (wl-thread-insert-force-opened
1038 (or wl-thread-insert-force-opened
1041 (setq msg (wl-summary-message-number))
1042 (setq entity (wl-thread-get-entity msg))
1043 (if (wl-thread-entity-get-opened entity)
1044 ;; if already opened, close its child!
1045 (if (wl-thread-entity-get-children entity)
1046 (wl-thread-close entity)
1047 ;; opened, but has no children, close its parent!
1048 (when (setq parent (wl-thread-entity-get-parent entity))
1049 (wl-summary-jump-to-msg parent)
1051 (wl-thread-get-entity (wl-summary-message-number)))))
1052 ;; if closed (or it is just a thread bottom message)
1053 ;; has children, open it!
1054 (if (wl-thread-entity-get-children entity)
1055 (wl-thread-open entity)
1056 ;; closed, and has no children, close its parent!
1057 (setq msg (or (wl-thread-entity-get-parent entity)
1058 (wl-thread-entity-get-number entity)))
1060 (wl-summary-jump-to-msg msg)
1062 (wl-thread-get-entity (wl-summary-message-number)))))))
1063 (when wl-summary-lazy-highlight
1064 (wl-highlight-summary-window))
1065 (wl-summary-set-message-modified)
1066 (set-buffer-modified-p nil))))
1068 (defun wl-thread-get-depth-of-current-line ()
1069 (let ((entity (wl-thread-get-entity (wl-summary-message-number)))
1072 (while (setq number (wl-thread-entity-get-parent entity))
1074 (setq entity (wl-thread-get-entity number)))
1077 (defun wl-thread-update-indent-string-region (beg end)
1081 (while (< (point) end)
1083 (wl-thread-update-line-on-buffer-sub nil (wl-summary-message-number)))
1086 (defsubst wl-thread-make-indent-string (entity)
1089 (space-str (wl-repeat-string wl-thread-space-str-internal
1090 (- wl-thread-indent-level-internal 1)))
1092 (when (wl-thread-entity-get-number
1093 (setq parent (wl-thread-entity-get-parent-entity cur)))
1094 (if (wl-thread-entity-get-younger-brothers cur)
1095 (setq ret-val wl-thread-have-younger-brother-str-internal)
1096 (setq ret-val wl-thread-youngest-child-str-internal))
1097 (setq ret-val (concat ret-val
1099 wl-thread-horizontal-str-internal
1100 (- wl-thread-indent-level-internal 1))))
1102 (while (wl-thread-entity-get-number
1103 (wl-thread-entity-get-parent-entity cur))
1104 (if (wl-thread-entity-get-younger-brothers cur)
1105 (setq ret-val (concat wl-thread-vertical-str-internal
1108 (setq ret-val (concat wl-thread-space-str-internal
1111 (setq cur (wl-thread-entity-get-parent-entity cur))))
1114 (defun wl-thread-set-parent (&optional parent-number)
1115 "Set current message's parent interactively."
1117 (let ((number (wl-summary-message-number))
1118 (dst-parent (if (interactive-p)
1119 (read-from-minibuffer "Parent Message (No.): ")))
1120 entity dst-parent-entity src-parent children
1123 (if (string= dst-parent "")
1124 (setq dst-parent nil)
1126 (setq dst-parent (string-to-int dst-parent))
1127 (setq dst-parent parent-number)))
1129 (memq dst-parent (wl-thread-get-children-msgs number)))
1130 (error "Parent is children or myself"))
1131 (setq entity (wl-thread-get-entity number))
1132 (when (and number entity)
1134 (setq update-msgs (wl-thread-delete-message number 'deep))
1135 ;; insert as child at new parent
1136 (setq dst-parent-entity (wl-thread-get-entity dst-parent))
1137 (if dst-parent-entity
1140 (wl-thread-entity-get-children dst-parent-entity))
1141 (wl-append update-msgs
1142 (wl-thread-get-children-msgs
1143 (car (last children)) t)))
1144 (wl-thread-entity-set-children
1146 (append children (list number)))
1147 (wl-thread-entity-set-linked
1149 (let ((parent (elmo-message-entity-parent
1150 wl-summary-buffer-elmo-folder
1151 (elmo-message-entity
1152 wl-summary-buffer-elmo-folder
1155 (/= parent-number (elmo-message-entity-number parent))))))
1157 (wl-append wl-thread-entity-list (list number))
1158 (wl-thread-entity-set-linked entity nil))
1161 (wl-append update-msgs (wl-thread-get-children-msgs number t))
1162 (setq update-msgs (elmo-uniq-list update-msgs))
1163 (wl-thread-entity-set-parent entity dst-parent)
1164 ;; update thread on buffer
1165 (wl-thread-make-number-list)
1166 (wl-thread-update-line-msgs update-msgs t))))
1169 (product-provide (provide 'wl-thread) (require 'wl-version))
1171 ;;; wl-thread.el ends here