a8f764d4f18ad037f9b418963f969b167ce18e3c
[elisp/wanderlust.git] / wl / wl-folder.el
1 ;;; wl-folder.el -- Folder mode for Wanderlust.
2
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>
5
6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
7 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
8 ;; Keywords: mail, net news
9
10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
11
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)
15 ;; any later version.
16 ;;
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.
21 ;;
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.
26 ;;
27
28 ;;; Commentary:
29 ;;
30
31 ;;; Code:
32 ;;
33
34 (require 'elmo-vars)
35 (require 'elmo-util)
36 (require 'elmo)
37 (require 'wl-vars)
38 (condition-case ()
39     (require 'easymenu) ; needed here.
40   (error))
41
42 (eval-when-compile
43   (require 'cl)
44   (require 'wl-util)
45   (provide 'wl-folder)
46   (require 'wl)
47   (require 'elmo-nntp))
48
49 (defvar wl-folder-buffer-name "Folder")
50 (defvar wl-folder-entity nil)           ; desktop entity.
51 (defvar wl-folder-group-alist nil)      ; opened or closed
52 (defvar wl-folder-entity-id nil) ; id
53 (defvar wl-folder-entity-hashtb nil)
54 (defvar wl-folder-entity-id-name-hashtb nil)
55 (defvar wl-folder-elmo-folder-hashtb nil)  ; name => elmo folder structure
56
57 (defvar wl-folder-newsgroups-hashtb nil)
58 (defvar wl-folder-info-alist-modified nil)
59 (defvar wl-folder-completion-function nil)
60
61 (defvar wl-folder-mode-map nil)
62
63 (defvar wl-folder-buffer-disp-summary nil)
64 (defvar wl-folder-buffer-cur-entity-id nil)
65 (defvar wl-folder-buffer-cur-path nil)
66 (defvar wl-folder-buffer-cur-point nil)
67
68 (make-variable-buffer-local 'wl-folder-buffer-disp-summary)
69 (make-variable-buffer-local 'wl-folder-buffer-cur-entity-id)
70 (make-variable-buffer-local 'wl-folder-buffer-cur-path)
71 (make-variable-buffer-local 'wl-folder-buffer-cur-point)
72
73 (defconst wl-folder-entity-regexp "^\\([ ]*\\)\\(\\[[\\+-]\\]\\)?\\([^\\[].+\\):[-*0-9]+/[-*0-9]+/[-*0-9]+")
74 (defconst wl-folder-group-regexp  "^\\([ ]*\\)\\[\\([\\+-]\\)\\]\\(.+\\):[-0-9-]+/[0-9-]+/[0-9-]+\n")
75 ;;                              1:indent 2:opened 3:group-name
76 (defconst wl-folder-unsync-regexp ":[^0\\*][0-9]*/[0-9\\*-]+/[0-9\\*-]+$")
77
78 (defvar wl-folder-mode-menu-spec
79   '("Folder"
80     ["Enter Current Folder" wl-folder-jump-to-current-entity t]
81     ["Prev Folder"          wl-folder-prev-entity t]
82     ["Next Folder"          wl-folder-next-entity t]
83     ["Check Current Folder" wl-folder-check-current-entity t]
84     ["Sync Current Folder"  wl-folder-sync-current-entity t]
85 ;    ["Drop Current Folder" wl-folder-drop-unsync-current-entity t]
86     ["Prefetch Current Folder" wl-folder-prefetch-current-entity t]
87     ["Mark as Read all Current Folder" wl-folder-mark-as-read-all-current-entity t]
88     ["Expire Current Folder" wl-folder-expire-current-entity t]
89     ["Empty trash" wl-folder-empty-trash t]
90     ["Flush queue" wl-folder-flush-queue t]
91     ["Open All" wl-folder-open-all t]
92     ["Open All Unread folder" wl-folder-open-all-unread-folder t]
93     ["Close All" wl-folder-close-all t]
94     ("Folder Manager"
95      ["Add folder" wl-fldmgr-add t]
96      ["Add group" wl-fldmgr-make-group t]
97      ["Copy" wl-fldmgr-copy t]
98      ["Cut" wl-fldmgr-cut t]
99      ["Paste" wl-fldmgr-yank t]
100      ["Set petname" wl-fldmgr-set-petname t]
101      ["Rename" wl-fldmgr-rename t]
102      ["Save" wl-fldmgr-save-folders t]
103      "----"
104      ["Unsubscribe" wl-fldmgr-unsubscribe t]
105      ["Display all" wl-fldmgr-access-display-all t])
106     "----"
107     ["Write a message" wl-draft t]
108     "----"
109     ["Toggle Plug Status" wl-toggle-plugged t]
110     ["Change Plug Status" wl-plugged-change t]
111     "----"
112     ["Save Current Status"  wl-save t]
113     ["Update Satus"         wl-status-update t]
114     ["Exit"                 wl-exit t]
115     ))
116
117 (if wl-on-xemacs
118     (defun wl-folder-setup-mouse ()
119       (define-key wl-folder-mode-map 'button2 'wl-folder-click)
120       (define-key wl-folder-mode-map 'button4 'wl-folder-prev-entity)
121       (define-key wl-folder-mode-map 'button5 'wl-folder-next-entity)
122       (define-key wl-folder-mode-map [(shift button4)]
123         'wl-folder-prev-unread)
124       (define-key wl-folder-mode-map [(shift button5)]
125         'wl-folder-next-unread))
126   (defun wl-folder-setup-mouse ()
127     (define-key wl-folder-mode-map [mouse-2] 'wl-folder-click)
128     (define-key wl-folder-mode-map [mouse-4] 'wl-folder-prev-entity)
129     (define-key wl-folder-mode-map [mouse-5] 'wl-folder-next-entity)
130     (define-key wl-folder-mode-map [S-mouse-4] 'wl-folder-prev-unread)
131     (define-key wl-folder-mode-map [S-mouse-5] 'wl-folder-next-unread)))
132
133 (if wl-folder-mode-map
134     nil
135   (setq wl-folder-mode-map (make-sparse-keymap))
136   (define-key wl-folder-mode-map " "    'wl-folder-jump-to-current-entity)
137 ;  (define-key wl-folder-mode-map "\M- " 'wl-folder-open-close)
138   (define-key wl-folder-mode-map "/"    'wl-folder-open-close)
139   (define-key wl-folder-mode-map "\C-m" 'wl-folder-jump-to-current-entity)
140   (define-key wl-folder-mode-map "\M-\C-m" 'wl-folder-update-recursive-current-entity)
141   (define-key wl-folder-mode-map "rc"    'wl-folder-mark-as-read-all-region)
142   (define-key wl-folder-mode-map "c"    'wl-folder-mark-as-read-all-current-entity)
143   (define-key wl-folder-mode-map "g"    'wl-folder-goto-folder)
144   (define-key wl-folder-mode-map "j"    'wl-folder-jump-to-current-entity)
145   (define-key wl-folder-mode-map "w"    'wl-draft)
146   (define-key wl-folder-mode-map "W"    'wl-folder-write-current-folder)
147   (define-key wl-folder-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
148   (define-key wl-folder-mode-map "\C-c\C-a" 'wl-addrmgr)
149   (define-key wl-folder-mode-map "rS"   'wl-folder-sync-region)
150   (define-key wl-folder-mode-map "S"    'wl-folder-sync-current-entity)
151   (define-key wl-folder-mode-map "rs"   'wl-folder-check-region)
152   (define-key wl-folder-mode-map "s"    'wl-folder-check-current-entity)
153   (define-key wl-folder-mode-map "I"    'wl-folder-prefetch-current-entity)
154 ;  (define-key wl-folder-mode-map "D"    'wl-folder-drop-unsync-current-entity)
155   (define-key wl-folder-mode-map "p"    'wl-folder-prev-entity)
156   (define-key wl-folder-mode-map "n"    'wl-folder-next-entity)
157   (define-key wl-folder-mode-map "v"    'wl-folder-toggle-disp-summary)
158   (define-key wl-folder-mode-map "P"    'wl-folder-prev-unread)
159   (define-key wl-folder-mode-map "N"    'wl-folder-next-unread)
160   (define-key wl-folder-mode-map "J"    'wl-folder-jump-folder)
161   (define-key wl-folder-mode-map "f"    'wl-folder-goto-first-unread-folder)
162   (define-key wl-folder-mode-map "o"    'wl-folder-open-all-unread-folder)
163   (define-key wl-folder-mode-map "["    'wl-folder-open-all)
164   (define-key wl-folder-mode-map "]"    'wl-folder-close-all)
165   (define-key wl-folder-mode-map "e"    'wl-folder-expire-current-entity)
166   (define-key wl-folder-mode-map "E"    'wl-folder-empty-trash)
167   (define-key wl-folder-mode-map "F"    'wl-folder-flush-queue)
168   (define-key wl-folder-mode-map "q"    'wl-exit)
169   (define-key wl-folder-mode-map "z"    'wl-folder-suspend)
170   (define-key wl-folder-mode-map "\M-t" 'wl-toggle-plugged)
171   (define-key wl-folder-mode-map "\C-t" 'wl-plugged-change)
172   (define-key wl-folder-mode-map "<"    'beginning-of-buffer)
173   (define-key wl-folder-mode-map ">"    'end-of-buffer)
174   ;; wl-fldmgr
175   (define-key wl-folder-mode-map "m"    'wl-fldmgr-mode-map)
176   (define-key wl-folder-mode-map "*"    'wl-fldmgr-make-multi)
177   (define-key wl-folder-mode-map "+"    'wl-fldmgr-make-group)
178   (define-key wl-folder-mode-map "|"    'wl-fldmgr-make-filter)
179   (define-key wl-folder-mode-map "\M-c" 'wl-fldmgr-copy)
180   (define-key wl-folder-mode-map "\M-w" 'wl-fldmgr-copy-region)
181   (define-key wl-folder-mode-map "\C-k" 'wl-fldmgr-cut)
182   (define-key wl-folder-mode-map "\C-w" 'wl-fldmgr-cut-region)
183   (define-key wl-folder-mode-map "\C-y" 'wl-fldmgr-yank)
184   (define-key wl-folder-mode-map "R"    'wl-fldmgr-rename)
185   (define-key wl-folder-mode-map "u"    'wl-fldmgr-unsubscribe)
186   (define-key wl-folder-mode-map "ru"   'wl-fldmgr-unsubscribe-region)
187   (define-key wl-folder-mode-map "U"    'wl-fldmgr-unsubscribe-region)
188   (define-key wl-folder-mode-map "l"    'wl-fldmgr-access-display-normal)
189   (define-key wl-folder-mode-map "L"    'wl-fldmgr-access-display-all)
190   (define-key wl-folder-mode-map "Z"    'wl-status-update)
191   (define-key wl-folder-mode-map "\C-x\C-s" 'wl-save)
192   (define-key wl-folder-mode-map "\M-s"     'wl-save)
193   (define-key wl-folder-mode-map "\C-xk"    'wl-folder-mimic-kill-buffer)
194   (define-key wl-folder-mode-map "\M-\C-a"
195     'wl-folder-goto-top-of-current-folder)
196   (define-key wl-folder-mode-map "\M-\C-e"
197     'wl-folder-goto-bottom-of-current-folder)
198
199   (wl-folder-setup-mouse)
200   (easy-menu-define
201    wl-folder-mode-menu
202    wl-folder-mode-map
203    "Menu used in Folder mode."
204    wl-folder-mode-menu-spec))
205
206 (defmacro wl-folder-unread-regex (group)
207   (` (concat "^[ ]*.+:[0-9\\*-]+/[^0\\*][0-9]*/[0-9\\*-]+$"
208              (if (, group)
209                  "\\|^[ ]*\\[[+-]\\]"
210                ""))))
211
212 (defmacro wl-folder-buffer-group-p ()
213   (` (save-excursion (beginning-of-line)
214                      (looking-at wl-folder-group-regexp))))
215
216 (defmacro wl-folder-folder-name ()
217   (` (save-excursion
218        (beginning-of-line)
219        (if (or (looking-at "^[ ]*\\[[\\+-]\\]\\(.+\\):[-0-9\\*-]+/[0-9\\*-]+/[0-9\\*-]+\n")
220                (looking-at "^[ ]*\\([^\\[].+\\):.*\n"))
221            (wl-match-buffer 1)))))
222
223 (defmacro wl-folder-entity-name ()
224   (` (save-excursion
225        (beginning-of-line)
226        (if (looking-at "^[ ]*\\([^\\[].+\\):.*\n")
227            (wl-match-buffer 1)))))
228
229 (defun wl-folder-buffer-search-group (group)
230   (re-search-forward
231    (concat
232     "^\\([ \t]*\\)\\[[\\+-]\\]"
233     (regexp-quote group) ":[-0-9-]+/[0-9-]+/[0-9-]+") nil t))
234
235 (defun wl-folder-buffer-search-entity (folder &optional searchname)
236   (let ((search (or searchname (wl-folder-get-petname folder))))
237     (re-search-forward
238      (concat
239       "^[ \t]*"
240       (regexp-quote search) ":[-0-9\\*-]+/[0-9\\*-]+/[0-9\\*-]+") nil t)))
241
242 (defsubst wl-folder-get-folder-name-by-id (entity-id &optional hashtb)
243   (and (numberp entity-id)
244        (elmo-get-hash-val (format "#%d" entity-id)
245                           (or hashtb wl-folder-entity-id-name-hashtb))))
246
247 (defsubst wl-folder-set-id-name (entity-id entity &optional hashtb)
248   (and (numberp entity-id)
249        (elmo-set-hash-val (format "#%d" entity-id)
250                           entity (or hashtb wl-folder-entity-id-name-hashtb))))
251
252 (defmacro wl-folder-get-entity-id (entity)
253   (` (or (get-text-property 0
254                             'wl-folder-entity-id
255                             (, entity))
256          (, entity)))) ;; for nemacs
257
258 (defmacro wl-folder-get-entity-from-buffer (&optional getid)
259   (` (let ((id (get-text-property (point)
260                                   'wl-folder-entity-id)))
261        (if (not id) ;; for nemacs
262            (wl-folder-get-realname (wl-folder-folder-name))
263          (if (, getid)
264              id
265            (wl-folder-get-folder-name-by-id id))))))
266
267 (defmacro wl-folder-entity-exists-p (entity &optional hashtb)
268   (` (let ((sym (intern-soft (, entity)
269                              (or (, hashtb) wl-folder-entity-hashtb))))
270        (and sym (boundp sym)))))
271
272 (defmacro wl-folder-clear-entity-info (entity &optional hashtb)
273   (` (let ((sym (intern-soft (, entity)
274                              (or (, hashtb) wl-folder-entity-hashtb))))
275        (if (boundp sym)
276            (makunbound sym)))))
277
278 (defmacro wl-folder-get-entity-info (entity &optional hashtb)
279   (` (elmo-get-hash-val (, entity) (or (, hashtb) wl-folder-entity-hashtb))))
280
281 (defmacro wl-folder-set-entity-info (entity value &optional hashtb)
282   (` (let* ((hashtb (or (, hashtb) wl-folder-entity-hashtb))
283             (info (wl-folder-get-entity-info (, entity) hashtb)))
284        (elmo-set-hash-val (, entity)
285                           (if (< (length (, value)) 4)
286                               (append (, value) (list (nth 3 info)))
287                             (, value))
288                           hashtb))))
289
290 (defun wl-folder-persistent-p (folder)
291   (or (and (wl-folder-search-entity-by-name folder wl-folder-entity
292                                             'folder)
293            t)   ; on Folder mode.
294       (catch 'found
295         (let ((li wl-save-folder-list))
296           (while li
297             (if (string-match (car li) folder)
298                 (throw 'found t))
299             (setq li (cdr li)))))
300       (not (catch 'found
301              (let ((li wl-no-save-folder-list))
302                (while li
303                  (if (string-match (car li) folder)
304                      (throw 'found t))
305                  (setq li (cdr li))))))))
306
307 ;;; ELMO folder structure with cache.
308 (defmacro wl-folder-get-elmo-folder (entity)
309   "Get elmo folder structure from entity."
310   (` (or (wl-folder-elmo-folder-cache-get (, entity))
311          (let* ((name (elmo-string (, entity)))
312                 (folder (elmo-make-folder name)))
313            (wl-folder-elmo-folder-cache-put name folder)
314            folder))))
315
316 (defmacro wl-folder-elmo-folder-cache-get (name &optional hashtb)
317   "Returns a elmo folder structure associated with NAME from HASHTB.
318 Default HASHTB is `wl-folder-elmo-folder-hashtb'."
319   (` (elmo-get-hash-val (, name)
320                         (or (, hashtb) wl-folder-elmo-folder-hashtb))))
321
322 (defmacro wl-folder-elmo-folder-cache-put (name folder &optional hashtb)
323   "Get folder elmo folder structure on HASHTB for folder with NAME.
324 Default HASHTB is `wl-folder-elmo-folder-hashtb'."
325   (` (elmo-set-hash-val (, name) (, folder)
326                         (or (, hashtb) wl-folder-elmo-folder-hashtb))))
327
328 (defun wl-folder-prev-entity ()
329   (interactive)
330   (forward-line -1))
331
332 (defun wl-folder-next-entity ()
333   (interactive)
334   (forward-line 1))
335
336 (defun wl-folder-prev-entity-skip-invalid (&optional hereto)
337   "move to previous entity. skip unsubscribed or removed entity."
338   (interactive)
339   (if hereto
340       (end-of-line))
341   (if (re-search-backward wl-folder-entity-regexp nil t)
342       (beginning-of-line)
343     (goto-char (point-min))))
344
345 (defun wl-folder-next-entity-skip-invalid (&optional hereto)
346   "Move to next entity. skip unsubscribed or removed entity."
347   (interactive)
348   (beginning-of-line)
349   (if (not hereto)
350       (forward-line 1))
351   (if (re-search-forward wl-folder-entity-regexp nil t)
352       (beginning-of-line)
353     (goto-char (point-max))))
354
355 (defun wl-folder-search-group-entity-by-name (name entity)
356   (wl-folder-search-entity-by-name name entity 'group))
357
358 (defun wl-folder-search-entity-by-name (name entity &optional type)
359   (let ((entities (list entity))
360         entity-stack)
361     (catch 'done
362       (while entities
363         (setq entity (wl-pop entities))
364         (cond
365          ((consp entity)
366           (if (and (not (eq type 'folder))
367                    (string= name (car entity)))
368               (throw 'done entity))
369           (and entities
370                (wl-push entities entity-stack))
371           (setq entities (nth 2 entity)))
372          ((and (not (eq type 'group))
373                (stringp entity))
374           (if (string= name entity)
375               (throw 'done entity))))
376         (unless entities
377           (setq entities (wl-pop entity-stack)))))))
378
379 (defun wl-folder-search-entity-list-by-name (name entity &optional get-id)
380   (let ((entities (list entity))
381         entity-stack ret-val)
382     (while entities
383       (setq entity (wl-pop entities))
384       (cond
385        ((consp entity)
386         (and entities
387              (wl-push entities entity-stack))
388         (setq entities (nth 2 entity)))
389        ((stringp entity)
390         (if (string= name entity)
391             (wl-append ret-val (if get-id
392                                    (list (wl-folder-get-entity-id entity))
393                                  (list entity))))))
394       (unless entities
395         (setq entities (wl-pop entity-stack))))
396     ret-val))
397
398 (defun wl-folder-get-prev-folder (id &optional unread)
399   (let ((name (if (stringp id)
400                   id
401                 (wl-folder-get-folder-name-by-id id)))
402         entity entity-stack last-entity finfo
403         (entities (list wl-folder-entity)))
404     (catch 'done
405       (while entities
406         (setq entity (wl-pop entities))
407         (cond
408          ((consp entity)
409 ;;        (if (and (string= name (car entity))
410 ;;                 (eq id (wl-folder-get-entity-id (car entity))))
411 ;;            (throw 'done last-entity))
412           (and entities
413                (wl-push entities entity-stack))
414           (setq entities (nth 2 entity)))
415          ((stringp entity)
416           (if (and (string= name entity)
417                    ;; don't use eq, `id' is string on Nemacs.
418                    (equal id (wl-folder-get-entity-id entity)))
419               (throw 'done last-entity))
420           (if (or (not unread)
421                   (and (setq finfo (wl-folder-get-entity-info entity))
422                        (and (nth 0 finfo)(nth 1 finfo))
423                        (> (+ (nth 0 finfo)(nth 1 finfo)) 0)))
424               (setq last-entity entity))))
425         (unless entities
426           (setq entities (wl-pop entity-stack)))))))
427
428 (defun wl-folder-get-next-folder (id &optional unread)
429   (let ((name (if (stringp id)
430                   id
431                 (wl-folder-get-folder-name-by-id id)))
432         entity entity-stack found finfo
433         (entities (list wl-folder-entity)))
434     (catch 'done
435       (while entities
436         (setq entity (wl-pop entities))
437         (cond
438          ((consp entity)
439 ;;;       (if (and (string= name (car entity))
440 ;;;                (eq id (wl-folder-get-entity-id (car entity))))
441 ;;;           (setq found t))
442           (and entities
443                (wl-push entities entity-stack))
444           (setq entities (nth 2 entity)))
445          ((stringp entity)
446           (if found
447               (when (or (not unread)
448                         (and (setq finfo (wl-folder-get-entity-info entity))
449                              (and (nth 0 finfo)(nth 1 finfo))
450                              (> (+ (nth 0 finfo)(nth 1 finfo)) 0)))
451                 (throw 'done entity))
452             (if (and (string= name entity)
453                      ;; don't use eq, `id' is string on Nemacs.
454                      (equal id (wl-folder-get-entity-id entity)))
455                 (setq found t)))))
456         (unless entities
457           (setq entities (wl-pop entity-stack)))))))
458
459 (defun wl-folder-flush-queue ()
460   "Flush queue."
461   (interactive)
462   (let ((cur-buf (current-buffer))
463         (wl-auto-select-first nil)
464         (wl-plugged t)
465         emptied)
466     (if elmo-enable-disconnected-operation
467         (elmo-dop-queue-flush 'force)) ; Try flushing all queue.
468     (if (not (elmo-folder-list-messages
469               (wl-folder-get-elmo-folder wl-queue-folder)))
470         (message "No sending queue exists.")
471       (if wl-stay-folder-window
472           (wl-folder-select-buffer
473            (wl-summary-get-buffer-create wl-queue-folder)))
474       (wl-summary-goto-folder-subr wl-queue-folder 'force-update nil)
475       (unwind-protect
476           (wl-draft-queue-flush)
477         (if (get-buffer-window cur-buf)
478             (select-window (get-buffer-window cur-buf)))
479         (set-buffer cur-buf)
480         (if wl-stay-folder-window
481             (wl-folder-toggle-disp-summary 'off wl-queue-folder)
482           (switch-to-buffer cur-buf))))))
483
484 (defun wl-folder-empty-trash ()
485   "Empty trash."
486   (interactive)
487   (let ((cur-buf (current-buffer))
488         (wl-auto-select-first nil)
489         trash-buf emptied)
490     (if wl-stay-folder-window
491         (wl-folder-select-buffer
492          (wl-summary-get-buffer-create wl-trash-folder)))
493     (wl-summary-goto-folder-subr wl-trash-folder 'force-update nil nil t)
494     (setq trash-buf (current-buffer))
495     (unwind-protect
496         (setq emptied (wl-summary-delete-all-msgs))
497       (when emptied
498         (setq wl-thread-entities nil
499               wl-thread-entity-list nil)
500         (if wl-summary-cache-use (wl-summary-save-view-cache))
501         (elmo-folder-commit wl-summary-buffer-elmo-folder))
502       (if (get-buffer-window cur-buf)
503           (select-window (get-buffer-window cur-buf)))
504       (set-buffer cur-buf)
505       (if emptied
506           (wl-folder-set-folder-updated wl-trash-folder '(0 0 0)))
507       (if wl-stay-folder-window
508           (wl-folder-toggle-disp-summary 'off wl-trash-folder)
509         (switch-to-buffer cur-buf))
510       (and trash-buf
511            (kill-buffer trash-buf)))))
512
513 (defun wl-folder-goto-top-of-current-folder (&optional arg)
514   "Move backward to the top of the current folder group.
515 Optional argument ARG is repeart count."
516   (interactive "P")
517   (if (re-search-backward
518        "^ *\\[[\\+-]\\]" nil t (if arg (prefix-numeric-value arg)))
519       (beginning-of-line)
520     (goto-char (point-min))))
521
522 (defun wl-folder-goto-bottom-of-current-folder (indent)
523   "Move forward to the bottom of the current folder group."
524   (interactive
525    (let ((indent
526           (save-excursion
527             (beginning-of-line)
528             (if (looking-at "^ *")
529                 (buffer-substring (match-beginning 0)(1- (match-end 0)))
530               ""))))
531      (list indent)))
532   (if (catch 'done
533         (while (re-search-forward "^ *" nil t)
534           (if (<= (length (match-string 0))
535                   (length indent))
536               (throw 'done nil)))
537         (throw 'done t))
538       (goto-char (point-max))))
539
540 (defsubst wl-folder-update-group (entity diffs &optional is-group)
541   (save-excursion
542     (let ((path (wl-folder-get-path
543                  wl-folder-entity
544                  (wl-folder-get-entity-id entity)
545                  entity)))
546       (if (not is-group)
547           ;; delete itself from path
548           (setq path (delete (nth (- (length path) 1) path) path)))
549       (goto-char (point-min))
550       (catch 'done
551         (while path
552           ;; goto the path line.
553           (if (or (eq (car path) 0) ; update desktop
554                   (wl-folder-buffer-search-group
555                    (wl-folder-get-petname
556                     (if (stringp (car path))
557                         (car path)
558                       (wl-folder-get-folder-name-by-id
559                        (car path))))))
560               ;; update it.
561               (wl-folder-update-diff-line diffs)
562             (throw 'done t))
563           (setq path (cdr path)))))))
564
565 (defun wl-folder-maybe-load-folder-list (entity)
566   (when (null (caddr entity))
567     (setcdr (cdr entity)
568             (elmo-msgdb-flist-load (car entity)))
569     (when (cddr entity)
570       (let (diffs)
571         (save-excursion
572           (wl-folder-entity-assign-id entity
573                                       wl-folder-entity-id-name-hashtb
574                                       t)
575           (setq diffs (wl-fldmgr-add-entity-hashtb (list entity)))
576           (unless (equal diffs '(0 0 0))
577             (wl-folder-update-group (car entity) diffs t)))))))
578
579 (defsubst wl-folder-force-fetch-p (entity)
580   (cond
581    ((consp wl-force-fetch-folders)
582     (wl-string-match-member entity wl-force-fetch-folders))
583    (t
584     wl-force-fetch-folders)))
585
586 (defun wl-folder-jump-to-current-entity (&optional arg)
587   "Enter the current folder.  If optional ARG exists, update folder list."
588   (interactive "P")
589   (beginning-of-line)
590   (let (entity beg end indent opened fname err fld-name)
591     (cond
592      ((looking-at wl-folder-group-regexp)
593       (save-excursion
594         (setq fname (wl-folder-get-realname (wl-match-buffer 3)))
595         (setq indent (wl-match-buffer 1))
596         (setq opened (wl-match-buffer 2))
597         (if (string= opened "+")
598             (progn
599               (setq entity (wl-folder-search-group-entity-by-name
600                             fname
601                             wl-folder-entity))
602               (setq beg (point))
603               (if arg
604                   (wl-folder-update-recursive-current-entity entity)
605                 ;; insert as opened
606                 (setcdr (assoc (car entity) wl-folder-group-alist) t)
607                 (if (eq 'access (cadr entity))
608                     (wl-folder-maybe-load-folder-list entity))
609                 ;(condition-case errobj
610                     (progn
611                       (if (or (wl-folder-force-fetch-p (car entity))
612                               (and
613                                (eq 'access (cadr entity))
614                                (null (caddr entity))))
615                           (wl-folder-update-newest indent entity)
616                         (wl-folder-insert-entity indent entity))
617                       (wl-highlight-folder-path wl-folder-buffer-cur-path))
618                  ; (quit
619                  ;  (setq err t)
620                  ;  (setcdr (assoc fname wl-folder-group-alist) nil))
621                  ; (error
622                  ;  (elmo-display-error errobj t)
623                  ;  (ding)
624                  ;  (setq err t)
625                  ;  (setcdr (assoc fname wl-folder-group-alist) nil)))
626                 (if (not err)
627                     (let ((buffer-read-only nil))
628                       (delete-region (save-excursion (beginning-of-line)
629                                                      (point))
630                                      (save-excursion (end-of-line)
631                                                      (+ 1 (point))))))))
632           (setq beg (point))
633           (end-of-line)
634           (save-match-data
635             (setq end
636                   (progn (wl-folder-goto-bottom-of-current-folder indent)
637                          (beginning-of-line)
638                          (point))))
639           (setq entity (wl-folder-search-group-entity-by-name
640                         fname
641                         wl-folder-entity))
642           (let ((buffer-read-only nil))
643             (delete-region beg end))
644           (setcdr (assoc (car entity) wl-folder-group-alist) nil)
645           (wl-folder-insert-entity indent entity) ; insert entity
646           (forward-line -1)
647           (wl-highlight-folder-path wl-folder-buffer-cur-path)
648 ;         (wl-delete-all-overlays)
649 ;         (wl-highlight-folder-current-line)
650           )))
651      ((setq fld-name (wl-folder-entity-name))
652       (wl-folder-set-current-entity-id
653        (get-text-property (point) 'wl-folder-entity-id))
654       (setq fld-name (wl-folder-get-folder-name-by-id
655                       wl-folder-buffer-cur-entity-id))
656       (let ((summary-buf (wl-summary-get-buffer-create fld-name arg))
657             error-selecting)
658         (if (or wl-stay-folder-window wl-summary-use-frame)
659             (wl-folder-select-buffer summary-buf)
660           (if (and summary-buf
661                    (get-buffer-window summary-buf))
662               (delete-window)))
663         (wl-summary-goto-folder-subr fld-name
664                                      (wl-summary-get-sync-range
665                                       (wl-folder-get-elmo-folder fld-name))
666                                      nil arg t)))))
667   (set-buffer-modified-p nil))
668
669 (defun wl-folder-close-entity (entity)
670   (let ((entities (list entity))
671         entity-stack)
672     (while entities
673       (setq entity (wl-pop entities))
674       (cond
675        ((consp entity)
676         (setcdr (assoc (car entity) wl-folder-group-alist) nil)
677         (and entities
678              (wl-push entities entity-stack))
679         (setq entities (nth 2 entity))))
680       (unless entities
681         (setq entities (wl-pop entity-stack))))))
682
683 (defun wl-folder-update-recursive-current-entity (&optional entity)
684   (interactive)
685   (when (wl-folder-buffer-group-p)
686     (cond
687      ((string= (wl-match-buffer 2) "+")
688       (save-excursion
689         (if entity ()
690           (setq entity
691                 (wl-folder-search-group-entity-by-name
692                  (wl-folder-get-realname (wl-match-buffer 3))
693                  wl-folder-entity)))
694         (let ((inhibit-read-only t)
695               (entities (list entity))
696               entity-stack err indent)
697           (while (and entities (not err))
698             (setq entity (wl-pop entities))
699             (cond
700              ((consp entity)
701               (wl-folder-close-entity entity)
702               (setcdr (assoc (car entity) wl-folder-group-alist) t)
703               (unless (wl-folder-buffer-search-group
704                        (wl-folder-get-petname (car entity)))
705                 (error "%s: not found group" (car entity)))
706               (setq indent (wl-match-buffer 1))
707               (if (eq 'access (cadr entity))
708                   (wl-folder-maybe-load-folder-list entity))
709               (beginning-of-line)
710               (setq err nil)
711               (save-excursion
712                 (condition-case errobj
713                     (wl-folder-update-newest indent entity)
714                   (quit
715                    (setq err t)
716                    (setcdr (assoc (car entity) wl-folder-group-alist) nil))
717                   (error
718                    (elmo-display-error errobj t)
719                    (ding)
720                    (setq err t)
721                    (setcdr (assoc (car entity) wl-folder-group-alist) nil)))
722                 (if (not err)
723                     (delete-region (save-excursion (beginning-of-line)
724                                                    (point))
725                                    (save-excursion (end-of-line)
726                                                    (+ 1 (point))))))
727               ;;
728               (and entities
729                    (wl-push entities entity-stack))
730               (setq entities (nth 2 entity))))
731             (unless entities
732               (setq entities (wl-pop entity-stack)))))
733         (set-buffer-modified-p nil)))
734      (t
735       (wl-folder-jump-to-current-entity)))))
736
737 (defun wl-folder-no-auto-check-folder-p (folder)
738   (if (stringp folder)
739       (if (catch 'found
740             (let ((li wl-auto-check-folder-list))
741               (while li
742                 (if (string-match (car li) folder)
743                     (throw 'found t))
744                 (setq li (cdr li)))))
745           nil
746         (catch 'found
747           (let ((li wl-auto-uncheck-folder-list))
748             (while li
749               (if (string-match (car li) folder)
750                   (throw 'found t))     ; no check!
751               (setq li (cdr li))))))))
752
753 (defsubst wl-folder-add-folder-info (pre-value value)
754   (list
755    (+ (or (nth 0 pre-value) 0) (or (nth 0 value) 0))
756    (+ (or (nth 1 pre-value) 0) (or (nth 1 value) 0))
757    (+ (or (nth 2 pre-value) 0) (or (nth 2 value) 0))))
758
759 (defun wl-folder-check-entity (entity &optional auto)
760   "Check unsync message number."
761   (let ((start-pos (point))
762         ret-val)
763     (run-hooks 'wl-folder-check-entity-pre-hook)
764     (if (and (consp entity)             ;; group entity
765              wl-folder-check-async)     ;; very fast
766         (setq ret-val (wl-folder-check-entity-async entity auto))
767       (save-excursion
768         (cond
769          ((consp entity)
770           (let ((flist (if auto
771                            (elmo-delete-if
772                             'wl-folder-no-auto-check-folder-p
773                             (nth 2 entity))
774                          (nth 2 entity)))
775                 (wl-folder-check-entity-pre-hook nil)
776                 (wl-folder-check-entity-hook nil)
777                 new unread all)
778             (while flist
779               (setq ret-val
780                     (wl-folder-add-folder-info
781                      ret-val
782                      (wl-folder-check-entity (car flist))))
783               (setq flist (cdr flist)))
784             ;(wl-folder-buffer-search-entity (car entity))
785             ;(wl-folder-update-line ret-val)
786             ))
787          ((stringp entity)
788           (message "Checking \"%s\"" entity)
789           (setq ret-val (wl-folder-check-one-entity
790                          entity))
791           (goto-char start-pos)
792           (sit-for 0))
793          (t
794           (message "Uncheck(unplugged) \"%s\"" entity)))))
795     (if ret-val
796         (message "Checking \"%s\" is done."
797                  (if (consp entity) (car entity) entity)))
798     (run-hooks 'wl-folder-check-entity-hook)
799     ret-val))
800
801 (defun wl-folder-check-one-entity (entity)
802   (let* ((folder (wl-folder-get-elmo-folder entity))
803          (nums (condition-case err
804                    (if (wl-string-match-member entity wl-strict-diff-folders)
805                        (elmo-strict-folder-diff folder)
806                      (elmo-folder-diff folder))
807                  (error
808                   ;; maybe not exist folder.
809                   (if (and (not (memq 'elmo-open-error
810                                       (get (car err) 'error-conditions)))
811                            (not (elmo-folder-exists-p folder)))
812                       (wl-folder-create-subr folder)
813                     (signal (car err) (cdr err))))))
814          (new (elmo-diff-new nums))
815          (nums (cons (elmo-diff-unread nums) (elmo-diff-all nums)))
816          unread unsync nomif)
817     (if (and (eq wl-folder-notify-deleted 'sync)
818              (car nums)
819              (or (> 0 (car nums)) (> 0 (cdr nums))))
820         (progn
821           (wl-folder-sync-entity entity)
822           (setq nums (elmo-folder-diff folder)))
823       (unless wl-folder-notify-deleted
824         (setq unsync (if (and (car nums) (> 0 (car nums))) 0 (car nums)))
825         (setq nomif (if (and (car nums) (> 0 (cdr nums))) 0 (cdr nums)))
826         (setq nums (cons unsync nomif)))
827       (setq unread (or ;; If server diff, All unreads are
828                         ; treated as unsync.
829                     (if (elmo-folder-use-flag-p folder)
830                         (car nums))
831                     (elmo-folder-get-info-unread folder)
832                     (wl-summary-count-unread (elmo-msgdb-mark-load
833                                               (elmo-folder-msgdb-path
834                                                folder)))))
835       (setq unread (min unread (- (or (cdr nums) 0) (or (car nums) 0))))
836       (when new (setq unread (- unread new)))
837       (wl-folder-entity-hashtb-set wl-folder-entity-hashtb entity
838                                    (list (or new (car nums))
839                                          unread
840                                          (cdr nums))
841                                    (get-buffer wl-folder-buffer-name)))
842     (setq wl-folder-info-alist-modified t)
843     (sit-for 0)
844     (list (if wl-folder-notify-deleted
845               (car nums)
846             (or new (max (or (car nums) 0)))) unread (cdr nums))))
847
848 (defun wl-folder-check-entity-async (entity &optional auto)
849   (let ((elmo-nntp-groups-async t)
850         (elist (if auto
851                    (elmo-delete-if
852                     'wl-folder-no-auto-check-folder-p
853                     (wl-folder-get-entity-list entity))
854                  (wl-folder-get-entity-list entity)))
855         (nntp-connection-keys nil)
856         name folder folder-list
857         sync-folder-list
858         async-folder-list
859         server
860         ret-val)
861     (while elist
862       (setq folder (wl-folder-get-elmo-folder (car elist)))
863       (if (not (elmo-folder-plugged-p folder))
864           (message "Uncheck \"%s\"" (car elist))
865         (setq folder-list
866               (elmo-folder-get-primitive-list folder))
867         (cond ((elmo-folder-contains-type folder 'nntp)
868                (wl-append async-folder-list (list folder))
869                (while folder-list
870                  (when (eq (elmo-folder-type-internal (car folder-list))
871                            'nntp)
872                    (when (not (string=
873                                server
874                                (elmo-net-folder-server-internal
875                                 (car folder-list))))
876                      (setq server (elmo-net-folder-server-internal
877                                    (car folder-list)))
878                      (message "Checking on \"%s\"" server))
879                    (setq nntp-connection-keys
880                          (elmo-nntp-get-folders-info-prepare
881                           (car folder-list)
882                           nntp-connection-keys)))
883                  (setq folder-list (cdr folder-list))))
884               (t
885                (wl-append sync-folder-list (list folder)))))
886       (setq elist (cdr elist)))
887     ;; check local entity at first
888     (while (setq folder (pop sync-folder-list))
889       (if (not (elmo-folder-plugged-p folder))
890           (message "Uncheck \"%s\"" (elmo-folder-name-internal folder))
891         (message "Checking \"%s\"" (elmo-folder-name-internal folder))
892         (setq ret-val
893               (wl-folder-add-folder-info
894                ret-val
895                (wl-folder-check-one-entity (elmo-folder-name-internal 
896                                             folder))))
897         ;;(sit-for 0)
898         ))
899     ;; check network entity at last
900     (when async-folder-list
901       (elmo-nntp-get-folders-info nntp-connection-keys)
902       (while (setq folder (pop async-folder-list))
903         (if (not (elmo-folder-plugged-p folder))
904             (message "Uncheck \"%s\"" (elmo-folder-name-internal folder))
905           (message "Checking \"%s\"" (elmo-folder-name-internal folder))
906           (setq ret-val
907                 (wl-folder-add-folder-info
908                  ret-val
909                  (wl-folder-check-one-entity (elmo-folder-name-internal
910                                               folder))))
911           ;;(sit-for 0)
912           )))
913     ret-val))
914
915 ;;
916 (defun wl-folder-resume-entity-hashtb-by-finfo (entity-hashtb info-alist)
917   "Resume unread info for entity alist."
918   (let (info)
919     (while info-alist
920       (setq info (nth 1 (car info-alist)))
921       (wl-folder-set-entity-info (caar info-alist)
922                                  (list (nth 2 info)(nth 3 info)(nth 1 info))
923                                  entity-hashtb)
924       (setq info-alist (cdr info-alist)))))
925
926 (defun wl-folder-move-path (path)
927   (let ((fp (if (consp path)
928                 path
929               ;; path is entity-id
930               (wl-folder-get-path wl-folder-entity path))))
931     (goto-char (point-min))
932     (while (and fp
933                 (not (eobp)))
934       (when (equal (car fp)
935                    (wl-folder-get-entity-from-buffer t))
936         (setq fp (cdr fp))
937         (setq wl-folder-buffer-cur-point (point)))
938       (forward-line 1))
939     (and wl-folder-buffer-cur-point
940          (goto-char wl-folder-buffer-cur-point))))
941
942 (defun wl-folder-set-current-entity-id (entity-id)
943   (let ((buf (get-buffer wl-folder-buffer-name)))
944     (if buf
945         (save-excursion
946           (set-buffer buf)
947           (setq wl-folder-buffer-cur-entity-id entity-id)
948           (setq wl-folder-buffer-cur-path (wl-folder-get-path wl-folder-entity
949                                                               entity-id))
950           (wl-highlight-folder-path wl-folder-buffer-cur-path)
951           (and wl-folder-move-cur-folder
952                wl-folder-buffer-cur-point
953                (goto-char wl-folder-buffer-cur-point))))
954     (if (eq (current-buffer) buf)
955         (and wl-folder-move-cur-folder
956              wl-folder-buffer-cur-point
957              (goto-char wl-folder-buffer-cur-point)))))
958
959 (defun wl-folder-check-current-entity ()
960   "Check folder at position.
961 If current line is group folder, check all sub entries."
962   (interactive)
963   (let* ((entity-name (wl-folder-get-entity-from-buffer))
964          (group (wl-folder-buffer-group-p))
965          (desktop (string= entity-name wl-folder-desktop-name)))
966     (when entity-name
967       (wl-folder-check-entity
968        (if group
969            (wl-folder-search-group-entity-by-name entity-name
970                                                   wl-folder-entity)
971          entity-name)
972        desktop))))
973
974 (defun wl-folder-sync-entity (entity &optional unread-only)
975   "Synchronize the msgdb of ENTITY."
976   (cond
977    ((consp entity)
978     (let ((flist (nth 2 entity)))
979       (while flist
980         (wl-folder-sync-entity (car flist) unread-only)
981         (setq flist (cdr flist)))))
982    ((stringp entity)
983     (let* ((folder (wl-folder-get-elmo-folder entity))
984            (nums (wl-folder-get-entity-info entity))
985            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
986                                          (wl-summary-always-sticky-folder-p
987                                           folder))
988                                      wl-summary-highlight))
989            wl-auto-select-first new unread)
990       (setq new (or (car nums) 0))
991       (setq unread (or (cadr nums) 0))
992       (if (or (not unread-only)
993               (or (< 0 new) (< 0 unread)))
994           (let ((wl-summary-buffer-name (concat
995                                          wl-summary-buffer-name
996                                          (symbol-name this-command)))
997                 (wl-summary-use-frame nil)
998                 (wl-summary-always-sticky-folder-list nil))
999             (save-window-excursion
1000               (save-excursion
1001                 (wl-summary-goto-folder-subr entity
1002                                              (wl-summary-get-sync-range
1003                                               folder)
1004                                              nil nil nil t)
1005                 (wl-summary-exit)))))))))
1006
1007 (defun wl-folder-sync-current-entity (&optional unread-only)
1008   "Synchronize the folder at position.
1009 If current line is group folder, check all subfolders."
1010   (interactive "P")
1011   (save-excursion
1012     (let ((entity-name (wl-folder-get-entity-from-buffer))
1013           (group (wl-folder-buffer-group-p)))
1014       (when (and entity-name
1015                  (y-or-n-p (format "Sync %s?" entity-name)))
1016         (wl-folder-sync-entity
1017          (if group
1018              (wl-folder-search-group-entity-by-name entity-name
1019                                                     wl-folder-entity)
1020            entity-name)
1021          unread-only)
1022         (message "Syncing %s is done!" entity-name)))))
1023
1024 (defun wl-folder-mark-as-read-all-entity (entity)
1025   "Mark as read all messages in the ENTITY."
1026   (cond
1027    ((consp entity)
1028     (let ((flist (nth 2 entity)))
1029       (while flist
1030         (wl-folder-mark-as-read-all-entity (car flist))
1031         (setq flist (cdr flist)))))
1032    ((stringp entity)
1033     (let* ((nums (wl-folder-get-entity-info entity))
1034            (folder (wl-folder-get-elmo-folder entity))
1035            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
1036                                          (wl-summary-always-sticky-folder-p
1037                                           folder))
1038                                      wl-summary-highlight))
1039            wl-auto-select-first new unread)
1040       (setq new (or (car nums) 0))
1041       (setq unread (or (cadr nums) 0))
1042       (if (or (< 0 new) (< 0 unread))
1043           (save-window-excursion
1044             (save-excursion
1045               (let ((wl-summary-buffer-name (concat
1046                                              wl-summary-buffer-name
1047                                              (symbol-name this-command)))
1048                     (wl-summary-use-frame nil)
1049                     (wl-summary-always-sticky-folder-list nil))
1050                 (wl-summary-goto-folder-subr entity
1051                                              (wl-summary-get-sync-range folder)
1052                                              nil)
1053                 (wl-summary-mark-as-read-all)
1054                 (wl-summary-exit))))
1055         (sit-for 0))))))
1056
1057 (defun wl-folder-mark-as-read-all-current-entity ()
1058   "Mark as read all messages in the folder at position.
1059 If current line is group folder, all subfolders are marked."
1060   (interactive)
1061   (save-excursion
1062     (let ((entity-name (wl-folder-get-entity-from-buffer))
1063           (group (wl-folder-buffer-group-p))
1064           summary-buf)
1065       (when (and entity-name
1066                  (y-or-n-p (format "Mark all messages in %s as read?" entity-name)))
1067         (wl-folder-mark-as-read-all-entity
1068          (if group
1069              (wl-folder-search-group-entity-by-name entity-name
1070                                                     wl-folder-entity)
1071            entity-name))
1072         (message "All messages in %s are marked!" entity-name)))))
1073
1074 (defun wl-folder-check-region (beg end)
1075   (interactive "r")
1076   (goto-char beg)
1077   (beginning-of-line)
1078   (setq beg (point))
1079   (goto-char end)
1080   (beginning-of-line)
1081   (setq end (point))
1082   (goto-char beg)
1083   (let ((inhibit-read-only t)
1084         entity)
1085     (while (< (point) end)
1086       ;; normal folder entity
1087       (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1088           (save-excursion
1089             (setq entity (wl-folder-get-entity-from-buffer))
1090             (if (not (elmo-folder-plugged-p (wl-folder-get-elmo-folder
1091                                              entity)))
1092                 (message "Uncheck %s" entity)
1093               (message "Checking %s" entity)
1094               (wl-folder-check-one-entity entity)
1095               (sit-for 0))))
1096       (forward-line 1)))
1097   (message ""))
1098
1099 (defun wl-folder-sync-region (beg end)
1100   (interactive "r")
1101   (goto-char beg)
1102   (beginning-of-line)
1103   (setq beg (point))
1104   (goto-char end)
1105   (end-of-line)
1106   (setq end (point))
1107   (goto-char beg)
1108   (while (< (point) end)
1109     ;; normal folder entity
1110     (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1111         (save-excursion
1112           (let ((inhibit-read-only t)
1113                 entity)
1114             (setq entity (wl-folder-get-entity-from-buffer))
1115             (wl-folder-sync-entity entity)
1116             (message "Syncing %s is done!" entity)
1117             (sit-for 0))))
1118     (forward-line 1))
1119   (message ""))
1120
1121 (defun wl-folder-mark-as-read-all-region (beg end)
1122   (interactive "r")
1123   (goto-char beg)
1124   (beginning-of-line)
1125   (setq beg (point))
1126   (goto-char end)
1127   (end-of-line)
1128   (setq end (point))
1129   (goto-char beg)
1130   (while (< (point) end)
1131     ;; normal folder entity
1132     (if (looking-at "^[\t ]*\\([^\\[]+\\):\\(.*\\)\n")
1133         (save-excursion
1134           (let ((inhibit-read-only t)
1135                 entity)
1136             (setq entity (wl-folder-get-entity-from-buffer))
1137             (wl-folder-mark-as-read-all-entity entity)
1138             (message "All messages in %s are marked!" entity)
1139             (sit-for 0))))
1140     (forward-line 1))
1141   (message ""))
1142
1143 (defsubst wl-create-access-init-load-p (folder)
1144   (let ((no-load-regexp (when (and
1145                                (not wl-folder-init-load-access-folders)
1146                                wl-folder-init-no-load-access-folders)
1147                           (mapconcat 'identity
1148                                      wl-folder-init-no-load-access-folders
1149                                      "\\|")))
1150         (load-regexp (and wl-folder-init-load-access-folders
1151                           (mapconcat 'identity
1152                                      wl-folder-init-load-access-folders
1153                                      "\\|"))))
1154     (cond (load-regexp (string-match load-regexp folder))
1155           (t (not (and no-load-regexp
1156                        (string-match no-load-regexp folder)))))))
1157
1158 (defun wl-create-access-folder-entity (name)
1159   (let (flists flist)
1160     (when (wl-create-access-init-load-p name)
1161       (setq flists (elmo-msgdb-flist-load name)) ; load flist.
1162       (setq flist (car flists))
1163       (while flist
1164         (when (consp (car flist))
1165           (setcdr (cdar flist)
1166                   (wl-create-access-folder-entity (caar flist))))
1167         (setq flist (cdr flist)))
1168       flists)))
1169
1170 (defun wl-create-folder-entity-from-buffer ()
1171   "Create folder entity recursively."
1172   (cond
1173    ((looking-at "^[ \t]*$")             ; blank line
1174     (goto-char (+ 1(match-end 0)))
1175     'ignore)
1176    ((looking-at "^#.*$")                ; comment
1177     (goto-char (+ 1 (match-end 0)))
1178     'ignore)
1179    ((looking-at "^[\t ]*\\(.+\\)[\t ]*{[\t ]*$") ; group definition
1180     (let (name entity flist)
1181       (setq name (wl-match-buffer 1))
1182       (goto-char (+ 1 (match-end 0)))
1183       (while (setq entity (wl-create-folder-entity-from-buffer))
1184         (unless (eq entity 'ignore)
1185           (wl-append flist (list entity))))
1186       (if (looking-at "^[\t ]*}[\t ]*$") ; end of group
1187           (progn
1188             (goto-char (+ 1 (match-end 0)))
1189             (if (wl-string-assoc name wl-folder-petname-alist)
1190                 (error "%s already defined as petname" name))
1191             (list name 'group flist))
1192         (error "Syntax error in folder definition"))))
1193    ((looking-at "^[\t ]*\\([^\t \n]+\\)[\t ]*/$") ; access it!
1194     (let (name)
1195       (setq name (wl-match-buffer 1))
1196       (goto-char (+ 1 (match-end 0)))
1197 ;      (condition-case ()
1198 ;         (unwind-protect
1199 ;             (setq flist (elmo-list-folders name)))
1200 ;       (error (message "Access to folder %s failed." name)))
1201 ;;       (setq flist (elmo-msgdb-flist-load name)) ; load flist.
1202 ;;       (setq unsublist (nth 1 flist))
1203 ;;       (setq flist (car flist))
1204 ;;       (list name 'access flist unsublist)))
1205       (append (list name 'access) (wl-create-access-folder-entity name))))
1206    ;((looking-at "^[\t ]*\\([^\t \n}]+\\)[\t ]*\\(\"[^\"]*\"\\)?[\t ]*$") ; normal folder entity
1207    ((looking-at "^[\t ]*=[ \t]+\\([^\n]+\\)$"); petname definition
1208     (goto-char (+ 1 (match-end 0)))
1209     (let ((rest (elmo-match-buffer 1))
1210           petname)
1211       (when (string-match "\\(\"[^\"]*\"\\)[\t ]*$" rest)
1212         (setq petname (elmo-delete-char ?\" (elmo-match-string 1 rest)))
1213         (setq rest (substring rest 0 (match-beginning 0))))
1214       (when (string-match "^[\t ]*\\(.*[^\t ]+\\)[\t ]+$" rest)
1215         (wl-folder-append-petname (elmo-match-string 1 rest)
1216                                   petname))
1217       'ignore))
1218    ((looking-at "^[ \t]*}[ \t]*$") ; end of group
1219     nil)
1220    ((looking-at "^.*$") ; normal folder entity
1221     (goto-char (+ 1 (match-end 0)))
1222     (let ((rest (elmo-match-buffer 0))
1223           realname petname)
1224       (if (string-match "\\(\"[^\"]*\"\\)[\t ]*$" rest)
1225           (progn
1226             (setq petname (elmo-delete-char ?\" (elmo-match-string 1 rest)))
1227             (setq rest (substring rest 0 (match-beginning 0)))
1228             (when (string-match "^[\t ]*\\(.*[^\t ]+\\)[\t ]+$" rest)
1229               (wl-folder-append-petname
1230                (setq realname (elmo-match-string 1 rest))
1231                petname)
1232               realname))
1233         (if (string-match "^[\t ]*\\(.+\\)$" rest)
1234             (elmo-match-string 1 rest)
1235           rest))))))
1236
1237 (defun wl-folder-create-folder-entity ()
1238   "Create folder entries."
1239   (let ((tmp-buf (get-buffer-create " *wl-folder-tmp*"))
1240         entity ret-val)
1241     (condition-case ()
1242         (progn
1243           (with-current-buffer tmp-buf
1244             (erase-buffer)
1245             (insert-file-contents wl-folders-file)
1246             (goto-char (point-min))
1247             (while (and (not (eobp))
1248                         (setq entity (wl-create-folder-entity-from-buffer)))
1249               (unless (eq entity 'ignore)
1250                 (wl-append ret-val (list entity)))))
1251           (kill-buffer tmp-buf))
1252       (file-error nil))
1253     (setq ret-val (list wl-folder-desktop-name 'group ret-val))))
1254
1255 (defun wl-folder-entity-assign-id (entity &optional hashtb on-noid)
1256   (let ((hashtb (or hashtb
1257                     (setq wl-folder-entity-id-name-hashtb
1258                           (elmo-make-hash wl-folder-entity-id))))
1259         (entities (list entity))
1260         entity-stack)
1261     (while entities
1262       (setq entity (wl-pop entities))
1263       (cond
1264        ((consp entity)
1265         (when (not (and on-noid
1266                         (get-text-property 0
1267                                            'wl-folder-entity-id
1268                                            (car entity))))
1269           (put-text-property 0 (length (car entity))
1270                              'wl-folder-entity-id
1271                              wl-folder-entity-id
1272                              (car entity))
1273           (wl-folder-set-id-name wl-folder-entity-id
1274                                  (car entity) hashtb))
1275         (and entities
1276              (wl-push entities entity-stack))
1277         (setq entities (nth 2 entity)))
1278        ((stringp entity)
1279         (when (not (and on-noid
1280                         (get-text-property 0
1281                                            'wl-folder-entity-id
1282                                            entity)))
1283           (put-text-property 0 (length entity)
1284                              'wl-folder-entity-id
1285                              wl-folder-entity-id
1286                              entity)
1287           (wl-folder-set-id-name wl-folder-entity-id
1288                                  entity hashtb))))
1289       (setq wl-folder-entity-id (+ 1 wl-folder-entity-id))
1290       (unless entities
1291         (setq entities (wl-pop entity-stack))))))
1292
1293 (defun wl-folder-click (e)
1294   (interactive "e")
1295   (mouse-set-point e)
1296   (beginning-of-line)
1297   (save-excursion
1298     (wl-folder-jump-to-current-entity)))
1299
1300 (defun wl-folder-select-buffer (buffer)
1301   (let ((gbw (get-buffer-window buffer))
1302         exists)
1303     (if gbw
1304         (progn (select-window gbw)
1305                (setq exists t))
1306       (unless wl-summary-use-frame
1307         (condition-case ()
1308             (unwind-protect
1309                 (split-window-horizontally wl-folder-window-width)
1310               (other-window 1))
1311           (error nil))))
1312     (set-buffer buffer)
1313     (if wl-summary-use-frame
1314         (switch-to-buffer-other-frame buffer)
1315       (switch-to-buffer buffer))
1316     exists))
1317
1318 (defun wl-folder-toggle-disp-summary (&optional arg folder)
1319   (interactive)
1320   (if (or (and folder (assoc folder wl-folder-group-alist))
1321           (and (interactive-p) (wl-folder-buffer-group-p)))
1322       (error "This command is not available on Group"))
1323   (beginning-of-line)
1324   (let (wl-auto-select-first
1325         (wl-stay-folder-window t))
1326     (cond
1327      ((eq arg 'on)
1328       (setq wl-folder-buffer-disp-summary t))
1329      ((eq arg 'off)
1330       (setq wl-folder-buffer-disp-summary nil)
1331       ;; hide wl-summary window.
1332       (let ((cur-buf (current-buffer))
1333             (summary-buffer (wl-summary-get-buffer folder)))
1334         (wl-folder-select-buffer summary-buffer)
1335         (delete-window)
1336         (select-window (get-buffer-window cur-buf))))
1337      (t
1338       (setq wl-folder-buffer-disp-summary
1339             (not wl-folder-buffer-disp-summary))
1340       (let ((cur-buf (current-buffer))
1341             folder-name)
1342         (when (looking-at "^[ ]*\\([^\\[].+\\):.*\n")
1343           (setq folder-name (wl-folder-get-entity-from-buffer))
1344           (if wl-folder-buffer-disp-summary
1345               (progn
1346                 (wl-folder-select-buffer
1347                  (wl-summary-get-buffer-create folder-name))
1348                 (unwind-protect
1349                     (wl-summary-goto-folder-subr folder-name 'no-sync nil)
1350                   (select-window (get-buffer-window cur-buf))))
1351             (wl-folder-select-buffer (wl-summary-get-buffer folder-name))
1352             (delete-window)
1353             (select-window (get-buffer-window cur-buf)))))))))
1354
1355 (defun wl-folder-prev-unsync ()
1356   "Move cursor to the previous unsync folder."
1357   (interactive)
1358   (let (start-point)
1359     (setq start-point (point))
1360     (beginning-of-line)
1361     (if (re-search-backward wl-folder-unsync-regexp nil t)
1362         (beginning-of-line)
1363       (goto-char start-point)
1364       (message "No more unsync folder"))))
1365
1366 (defun wl-folder-next-unsync (&optional plugged)
1367   "Move cursor to the next unsync."
1368   (interactive)
1369   (let (start-point entity)
1370     (setq start-point (point))
1371     (end-of-line)
1372     (if (catch 'found
1373           (while (re-search-forward wl-folder-unsync-regexp nil t)
1374             (if (or (wl-folder-buffer-group-p)
1375                     (not plugged)
1376                     (setq entity
1377                           (wl-folder-get-realname
1378                            (wl-folder-folder-name)))
1379                     (elmo-folder-plugged-p entity))
1380                 (throw 'found t))))
1381         (beginning-of-line)
1382       (goto-char start-point)
1383       (message "No more unsync folder"))))
1384
1385 (defun wl-folder-prev-unread (&optional group)
1386   "Move cursor to the previous unread folder."
1387   (interactive "P")
1388   (let (start-point)
1389     (setq start-point (point))
1390     (beginning-of-line)
1391     (if (re-search-backward (wl-folder-unread-regex group) nil t)
1392         (progn
1393           (beginning-of-line)
1394           (wl-folder-folder-name))
1395       (goto-char start-point)
1396       (message "No more unread folder")
1397       nil)))
1398
1399 (defun wl-folder-next-unread (&optional group)
1400   "Move cursor to the next unread folder."
1401   (interactive "P")
1402   (let (start-point)
1403     (setq start-point (point))
1404     (end-of-line)
1405     (if (re-search-forward (wl-folder-unread-regex group) nil t)
1406         (progn
1407           (beginning-of-line)
1408           (wl-folder-folder-name))
1409       (goto-char start-point)
1410       (message "No more unread folder")
1411       nil)))
1412
1413 (defun wl-folder-mode ()
1414   "Major mode for Wanderlust Folder.
1415 See Info under Wanderlust for full documentation.
1416
1417 Special commands:
1418 \\{wl-folder-mode-map}
1419
1420 Entering Folder mode calls the value of `wl-folder-mode-hook'."
1421   (interactive)
1422   (setq major-mode 'wl-folder-mode)
1423   (setq mode-name "Folder")
1424   (use-local-map wl-folder-mode-map)
1425   (setq buffer-read-only t)
1426   (setq inhibit-read-only nil)
1427   (make-local-variable 'truncate-partial-width-windows)
1428   (setq truncate-partial-width-windows nil)
1429   (setq truncate-lines t)
1430   (setq wl-folder-buffer-cur-entity-id nil
1431         wl-folder-buffer-cur-path nil
1432         wl-folder-buffer-cur-point nil)
1433   (wl-mode-line-buffer-identification)
1434   (easy-menu-add wl-folder-mode-menu)
1435   ;; This hook may contain the functions `wl-folder-init-icons' and
1436   ;; `wl-setup-folder' for reasons of system internal to accord
1437   ;; facilities for the Emacs variants.
1438   (run-hooks 'wl-folder-mode-hook))
1439
1440 (defun wl-folder-append-petname (realname petname)
1441   (let (pentry)
1442     ;; check group name.
1443     (if (wl-folder-search-group-entity-by-name petname wl-folder-entity)
1444         (error "%s already defined as group name" petname))
1445     (when (setq pentry (wl-string-assoc realname wl-folder-petname-alist))
1446       (setq wl-folder-petname-alist
1447             (delete pentry wl-folder-petname-alist)))
1448     (wl-append wl-folder-petname-alist
1449                (list (cons realname petname)))))
1450
1451 (defun wl-folder (&optional arg)
1452   (interactive "P")
1453   (let (initialize folder-buf)
1454     (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1455         (if wl-folder-use-frame
1456             (let (select-frame)
1457               (save-selected-window
1458                 (dolist (frame (visible-frame-list))
1459                   (select-frame frame)
1460                   (if (get-buffer-window folder-buf)
1461                       (setq select-frame frame))))
1462               (if select-frame
1463                   (select-frame select-frame)
1464                 (switch-to-buffer folder-buf)))
1465           (switch-to-buffer folder-buf))
1466       (if wl-folder-use-frame
1467           (switch-to-buffer-other-frame
1468            (get-buffer-create wl-folder-buffer-name))
1469         (switch-to-buffer (get-buffer-create wl-folder-buffer-name)))
1470       (set-buffer wl-folder-buffer-name)
1471       (wl-folder-mode)
1472       ;; Initialization.
1473       (setq wl-folder-entity-id 0)
1474       (wl-folder-entity-assign-id wl-folder-entity)
1475       (setq wl-folder-entity-hashtb
1476             (wl-folder-create-entity-hashtb wl-folder-entity))
1477       (setq wl-folder-elmo-folder-hashtb (elmo-make-hash wl-folder-entity-id))
1478       (setq wl-folder-group-alist
1479             (wl-folder-create-group-alist wl-folder-entity))
1480       (setq wl-folder-newsgroups-hashtb
1481             (wl-folder-create-newsgroups-hashtb wl-folder-entity))
1482       (wl-folder-init-info-hashtb)
1483       (let ((inhibit-read-only t)
1484             (buffer-read-only nil))
1485         (erase-buffer)
1486         (setcdr (assoc (car wl-folder-entity) wl-folder-group-alist) t)
1487         (save-excursion
1488           (wl-folder-insert-entity " " wl-folder-entity)))
1489       (sit-for 0)
1490       (set-buffer-modified-p nil)
1491       (setq initialize t))
1492     initialize))
1493
1494 (defun wl-folder-auto-check ()
1495   "Check and update folders in `wl-auto-check-folder-name'."
1496   (interactive)
1497   (when (get-buffer wl-folder-buffer-name)
1498     (switch-to-buffer  wl-folder-buffer-name)
1499     (cond
1500      ((eq wl-auto-check-folder-name 'none))
1501      ((or (consp wl-auto-check-folder-name)
1502           (stringp wl-auto-check-folder-name))
1503       (let ((folder-list (if (consp wl-auto-check-folder-name)
1504                              wl-auto-check-folder-name
1505                            (list wl-auto-check-folder-name)))
1506             entity)
1507         (while folder-list
1508           (if (setq entity (wl-folder-search-entity-by-name
1509                             (car folder-list)
1510                             wl-folder-entity))
1511               (wl-folder-check-entity entity 'auto))
1512           (setq folder-list (cdr folder-list)))))
1513      (t
1514       (wl-folder-check-entity wl-folder-entity 'auto)))))
1515
1516 (defun wl-folder-set-folder-updated (name value)
1517   (save-excursion
1518     (let (buf)
1519       (if (setq buf (get-buffer wl-folder-buffer-name))
1520           (wl-folder-entity-hashtb-set
1521            wl-folder-entity-hashtb name value buf))
1522       (setq wl-folder-info-alist-modified t))))
1523
1524 (defun wl-folder-calc-finfo (entity)
1525   ;; calcurate finfo without inserting.
1526   (let ((entities (list entity))
1527         entity-stack
1528         new unread all nums)
1529     (while entities
1530       (setq entity (wl-pop entities))
1531       (cond
1532        ((consp entity)
1533         (and entities
1534              (wl-push entities entity-stack))
1535         (setq entities (nth 2 entity)))
1536        ((stringp entity)
1537         (setq nums (wl-folder-get-entity-info entity))
1538         (setq new    (+ (or new 0) (or (nth 0 nums) 0)))
1539         (setq unread (+ (or unread 0)
1540                         (or (and (nth 0 nums)(nth 1 nums)
1541                                  (+ (nth 0 nums)(nth 1 nums))) 0)))
1542         (setq all    (+ (or all 0) (or (nth 2 nums) 0)))))
1543       (unless entities
1544         (setq entities (wl-pop entity-stack))))
1545     (list new unread all)))
1546
1547 (defsubst wl-folder-make-save-access-list (list)
1548   (mapcar '(lambda (x)
1549              (cond
1550               ((consp x)
1551                (list (elmo-string (car x)) 'access))
1552               (t
1553                (elmo-string x))))
1554           list))
1555
1556 (defun wl-folder-update-newest (indent entity)
1557   (let (ret-val new unread all)
1558     (cond
1559      ((consp entity)
1560       (let ((inhibit-read-only t)
1561             (buffer-read-only nil)
1562             (flist (nth 2 entity))
1563             (as-opened (cdr (assoc (car entity) wl-folder-group-alist)))
1564             beg
1565             )
1566         (setq beg (point))
1567         (if as-opened
1568             (let (update-flist flist-unsub new-flist removed group-name-end)
1569               (when (and (eq (cadr entity) 'access)
1570                          (elmo-folder-plugged-p
1571                           (wl-folder-get-elmo-folder (car entity))))
1572                 (message "Fetching folder entries...")
1573                 (when (setq new-flist
1574                             (elmo-folder-list-subfolders
1575                              (wl-folder-get-elmo-folder (car entity))
1576                              (wl-string-member
1577                               (car entity)
1578                               wl-folder-hierarchy-access-folders)))
1579                   (setq update-flist
1580                         (wl-folder-update-access-group entity new-flist))
1581                   (setq flist (nth 1 update-flist))
1582                   (when (car update-flist) ;; diff
1583                     (setq flist-unsub (nth 2 update-flist))
1584                     (setq removed (nth 3 update-flist))
1585                     (elmo-msgdb-flist-save
1586                      (car entity)
1587                      (list
1588                       (wl-folder-make-save-access-list flist)
1589                       (wl-folder-make-save-access-list flist-unsub)))
1590                     (wl-folder-entity-assign-id
1591                      entity
1592                      wl-folder-entity-id-name-hashtb
1593                      t)
1594                     (setq wl-folder-entity-hashtb
1595                           (wl-folder-create-entity-hashtb
1596                            entity
1597                            wl-folder-entity-hashtb
1598                            t))
1599                     (setq wl-folder-newsgroups-hashtb
1600                           (or
1601                            (wl-folder-create-newsgroups-hashtb
1602                             entity nil)
1603                            wl-folder-newsgroups-hashtb))))
1604                 (message "Fetching folder entries...done"))
1605               (wl-folder-insert-entity indent entity))))))))
1606
1607 (defun wl-folder-insert-entity (indent entity &optional onlygroup)
1608   (let (ret-val new unread all)
1609     (cond
1610      ((consp entity)
1611       (let ((inhibit-read-only t)
1612             (buffer-read-only nil)
1613             (flist (nth 2 entity))
1614             (as-opened (cdr (assoc (car entity) wl-folder-group-alist)))
1615             beg
1616             )
1617 ;;;     (insert indent "[" (if as-opened "-" "+") "]" (car entity) "\n")
1618 ;;;     (save-excursion (forward-line -1)
1619 ;;;                     (wl-highlight-folder-current-line))
1620         (setq beg (point))
1621         (if (and as-opened
1622                  (not onlygroup))
1623             (let (update-flist flist-unsub new-flist removed group-name-end)
1624 ;;;           (when (and (eq (cadr entity) 'access)
1625 ;;;                      newest)
1626 ;;;             (message "fetching folder entries...")
1627 ;;;             (when (setq new-flist
1628 ;;;                         (elmo-list-folders
1629 ;;;                          (elmo-string (car entity))
1630 ;;;                          (wl-string-member
1631 ;;;                           (car entity)
1632 ;;;                           wl-folder-hierarchy-access-folders)
1633 ;;;                          ))
1634 ;;;               (setq update-flist
1635 ;;;                     (wl-folder-update-access-group entity new-flist))
1636 ;;;               (setq flist (nth 1 update-flist))
1637 ;;;               (when (car update-flist) ;; diff
1638 ;;;                 (setq flist-unsub (nth 2 update-flist))
1639 ;;;                 (setq removed (nth 3 update-flist))
1640 ;;;                 (elmo-msgdb-flist-save
1641 ;;;                  (car entity)
1642 ;;;                  (list
1643 ;;;                   (wl-folder-make-save-access-list flist)
1644 ;;;                   (wl-folder-make-save-access-list flist-unsub)))
1645 ;;;                 ;;
1646 ;;;                 ;; reconstruct wl-folder-entity-id-name-hashtb and
1647 ;;;                 ;;           wl-folder-entity-hashtb
1648 ;;;                 ;;
1649 ;;;                 (wl-folder-entity-assign-id
1650 ;;;                  entity
1651 ;;;                  wl-folder-entity-id-name-hashtb
1652 ;;;                  t)
1653 ;;;                 (setq wl-folder-entity-hashtb
1654 ;;;                       (wl-folder-create-entity-hashtb
1655 ;;;                        entity
1656 ;;;                        wl-folder-entity-hashtb
1657 ;;;                        t))
1658 ;;;                 (setq wl-folder-newsgroups-hashtb
1659 ;;;                       (or
1660 ;;;                        (wl-folder-create-newsgroups-hashtb
1661 ;;;                         entity nil)
1662 ;;;                        wl-folder-newsgroups-hashtb))))
1663 ;;;             (message "fetching folder entries...done"))
1664               (insert indent "[" (if as-opened "-" "+") "]"
1665                       (wl-folder-get-petname (car entity)))
1666               (setq group-name-end (point))
1667               (insert ":0/0/0\n")
1668               (put-text-property beg (point) 'wl-folder-entity-id
1669                                  (get-text-property 0 'wl-folder-entity-id
1670                                                     (car entity)))
1671               (when removed
1672                 (setq beg (point))
1673                 (while removed
1674                   (insert indent "  "
1675                           wl-folder-removed-mark
1676                           (if (listp (car removed))
1677                               (concat "[+]" (caar removed))
1678                             (car removed))
1679                           "\n")
1680                   (save-excursion (forward-line -1)
1681                                   (wl-highlight-folder-current-line))
1682                   (setq removed (cdr removed)))
1683                 (remove-text-properties beg (point) '(wl-folder-entity-id)))
1684               (let* ((len (length flist))
1685                      (mes (> len 100))
1686                      (i 0))
1687                 (while flist
1688                   (setq ret-val
1689                         (wl-folder-insert-entity
1690                          (concat indent "  ") (car flist)))
1691                   (setq new    (+ (or new 0) (or (nth 0 ret-val) 0)))
1692                   (setq unread (+ (or unread 0) (or (nth 1 ret-val) 0)))
1693                   (setq all    (+ (or all 0) (or (nth 2 ret-val) 0)))
1694                   (when (and mes
1695                              (> len elmo-display-progress-threshold))
1696                     (setq i (1+ i))
1697                     (elmo-display-progress
1698                      'wl-folder-insert-entity "Inserting group %s..."
1699                      (/ (* i 100) len) (car entity)))
1700                   (setq flist (cdr flist))))
1701               (save-excursion
1702                 (goto-char group-name-end)
1703                 (delete-region (point) (save-excursion (end-of-line)
1704                                                        (point)))
1705                 (insert (format ":%d/%d/%d" (or new 0)
1706                                 (or unread 0) (or all 0)))
1707                 (setq ret-val (list new unread all))
1708                 (wl-highlight-folder-current-line ret-val)))
1709           (setq ret-val (wl-folder-calc-finfo entity))
1710           (insert indent "[" (if as-opened "-" "+") "]"
1711                   (wl-folder-get-petname (car entity))
1712                   (format ":%d/%d/%d"
1713                           (or (nth 0 ret-val) 0)
1714                           (or (nth 1 ret-val) 0)
1715                           (or (nth 2 ret-val) 0))
1716                   "\n")
1717           (put-text-property beg (point) 'wl-folder-entity-id
1718                              (get-text-property 0 'wl-folder-entity-id
1719                                                 (car entity)))
1720           (save-excursion (forward-line -1)
1721                           (wl-highlight-folder-current-line ret-val)))))
1722      ((stringp entity)
1723       (let* ((inhibit-read-only t)
1724              (buffer-read-only nil)
1725              (nums (wl-folder-get-entity-info entity))
1726              beg)
1727         (setq beg (point))
1728         (insert indent (wl-folder-get-petname entity)
1729                 (format ":%s/%s/%s\n"
1730                         (or (setq new (nth 0 nums)) "*")
1731                         (or (setq unread (and (nth 0 nums)(nth 1 nums)
1732                                               (+ (nth 0 nums)(nth 1 nums))))
1733                             "*")
1734                         (or (setq all (nth 2 nums)) "*")))
1735         (put-text-property beg (point) 'wl-folder-entity-id
1736                            (get-text-property 0 'wl-folder-entity-id entity))
1737         (save-excursion (forward-line -1)
1738                         (wl-highlight-folder-current-line nums))
1739         (setq ret-val (list new unread all)))))
1740     (set-buffer-modified-p nil)
1741     ret-val))
1742
1743 (defun wl-folder-check-all ()
1744   (interactive)
1745   (wl-folder-check-entity wl-folder-entity))
1746
1747 (defun wl-folder-entity-hashtb-set (entity-hashtb name value buffer)
1748   (let (cur-val
1749         (new-diff 0)
1750         (unread-diff 0)
1751         (all-diff 0)
1752         diffs
1753         entity-list)
1754     (setq cur-val (wl-folder-get-entity-info name entity-hashtb))
1755     (setq new-diff    (- (or (nth 0 value) 0) (or (nth 0 cur-val) 0)))
1756     (setq unread-diff
1757           (+ new-diff
1758              (- (or (nth 1 value) 0) (or (nth 1 cur-val) 0))))
1759     (setq all-diff    (- (or (nth 2 value) 0) (or (nth 2 cur-val) 0)))
1760     (setq diffs (list new-diff unread-diff all-diff))
1761     (unless (and (nth 0 cur-val)
1762                  (equal diffs '(0 0 0)))
1763       (wl-folder-set-entity-info name value entity-hashtb)
1764       (save-match-data
1765         (with-current-buffer buffer
1766           (save-excursion
1767             (setq entity-list (wl-folder-search-entity-list-by-name
1768                                name wl-folder-entity))
1769             (while entity-list
1770               (wl-folder-update-group (car entity-list) diffs)
1771               (setq entity-list (cdr entity-list)))
1772             (goto-char (point-min))
1773             (while (wl-folder-buffer-search-entity name)
1774               (wl-folder-update-line value))))))))
1775   
1776 (defun wl-folder-update-unread (folder unread)
1777 ;  (save-window-excursion
1778     (let ((buf (get-buffer wl-folder-buffer-name))
1779           cur-unread
1780           (unread-diff 0)
1781           ;;(fld (elmo-string folder))
1782           value newvalue entity-list)
1783 ;;; Update folder-info
1784 ;;;    (elmo-folder-set-info-hashtb fld nil nil nil unread)
1785       (setq cur-unread (or (nth 1 (wl-folder-get-entity-info folder)) 0))
1786       (setq unread-diff (- (or unread 0) cur-unread))
1787       (setq value (wl-folder-get-entity-info folder))
1788       (setq newvalue (list (nth 0 value)
1789                            unread
1790                            (nth 2 value)))
1791       (wl-folder-set-entity-info folder newvalue)
1792       (setq wl-folder-info-alist-modified t)
1793       (when (and buf
1794                  (not (eq unread-diff 0)))
1795         (save-match-data
1796           (with-current-buffer buf
1797             (save-excursion
1798               (setq entity-list (wl-folder-search-entity-list-by-name
1799                                  folder wl-folder-entity))
1800               (while entity-list
1801                 (wl-folder-update-group (car entity-list) (list 0
1802                                                                 unread-diff
1803                                                                 0))
1804                 (setq entity-list (cdr entity-list)))
1805               (goto-char (point-min))
1806               (while (wl-folder-buffer-search-entity folder)
1807                 (wl-folder-update-line newvalue))))))));)
1808
1809 (defun wl-folder-create-entity-hashtb (entity &optional hashtb reconst)
1810   (let ((hashtb (or hashtb (elmo-make-hash wl-folder-entity-id)))
1811         (entities (list entity))
1812         entity-stack)
1813     (while entities
1814       (setq entity (wl-pop entities))
1815       (cond
1816        ((consp entity)
1817         (and entities
1818              (wl-push entities entity-stack))
1819         (setq entities (nth 2 entity)))
1820        ((stringp entity)
1821         (when (not (and reconst
1822                         (wl-folder-get-entity-info entity)))
1823           (wl-folder-set-entity-info entity
1824                                      nil
1825                                      hashtb))))
1826       (unless entities
1827         (setq entities (wl-pop entity-stack))))
1828     hashtb))
1829
1830 ;; Unsync number is reserved.
1831 ;;(defun wl-folder-reconstruct-entity-hashtb (entity &optional hashtb id-name)
1832 ;;  (let* ((hashtb (or hashtb (elmo-make-hash wl-folder-entity-id)))
1833 ;;       (entities (list entity))
1834 ;;       entity-stack)
1835 ;;    (while entities
1836 ;;      (setq entity (wl-pop entities))
1837 ;;      (cond
1838 ;;       ((consp entity)
1839 ;;      (if id-name
1840 ;;          (wl-folder-set-id-name (wl-folder-get-entity-id (car entity))
1841 ;;                                 (car entity)))
1842 ;;      (and entities
1843 ;;           (wl-push entities entity-stack))
1844 ;;      (setq entities (nth 2 entity))
1845 ;;      )
1846 ;;       ((stringp entity)
1847 ;;      (wl-folder-set-entity-info entity
1848 ;;                                 (wl-folder-get-entity-info entity)
1849 ;;                                 hashtb)
1850 ;;      (if id-name
1851 ;;          (wl-folder-set-id-name (wl-folder-get-entity-id entity)
1852 ;;                                 entity))))
1853 ;;      (unless entities
1854 ;;      (setq entities (wl-pop entity-stack))))
1855 ;;    hashtb))
1856
1857 (defun wl-folder-create-newsgroups-from-nntp-access (entity)
1858   (let ((flist (nth 2 entity))
1859         folders)
1860     (while flist
1861       (wl-append folders
1862                  (cond
1863                   ((consp (car flist))
1864                    (wl-folder-create-newsgroups-from-nntp-access (car flist)))
1865                   (t
1866                    (list
1867                     (elmo-nntp-folder-group-internal
1868                      (wl-folder-get-elmo-folder (car flist)))))))
1869       (setq flist (cdr flist)))
1870     folders))
1871
1872 (defun wl-folder-create-newsgroups-hashtb (entity &optional is-list info)
1873   "Create NNTP group hashtable for ENTITY."
1874   (let ((entities (if is-list entity (list entity)))
1875         entity-stack folder-list newsgroups newsgroup make-hashtb)
1876     (and info (message "Creating newsgroups..."))
1877     (while entities
1878       (setq entity (wl-pop entities))
1879       (cond
1880        ((consp entity)
1881         (if (eq (nth 1 entity) 'access)
1882             (when (eq (elmo-folder-type-internal
1883                        (elmo-make-folder (car entity))) 'nntp)
1884               (wl-append newsgroups
1885                          (wl-folder-create-newsgroups-from-nntp-access entity))
1886               (setq make-hashtb t))
1887           (and entities
1888                (wl-push entities entity-stack))
1889           (setq entities (nth 2 entity))))
1890        ((stringp entity)
1891         (setq folder-list (elmo-folder-get-primitive-list
1892                            (elmo-make-folder entity)))
1893         (while folder-list
1894           (when (and (eq (elmo-folder-type-internal (car folder-list))
1895                          'nntp)
1896                      (setq newsgroup (elmo-nntp-folder-group-internal
1897                                       (car folder-list))))
1898             (wl-append newsgroups (list (elmo-string newsgroup))))
1899           (setq folder-list (cdr folder-list)))))
1900       (unless entities
1901         (setq entities (wl-pop entity-stack))))
1902     (and info (message "Creating newsgroups...done"))
1903     (if (or newsgroups make-hashtb)
1904         (elmo-setup-subscribed-newsgroups newsgroups))))
1905
1906 (defun wl-folder-get-path (entity target-id &optional string)
1907   (let ((entities (list entity))
1908         entity-stack result-path)
1909     (reverse
1910      (catch 'done
1911        (while entities
1912          (setq entity (wl-pop entities))
1913          (cond
1914           ((consp entity)
1915            (if (and (or (not string) (string= string (car entity)))
1916                     ;; don't use eq, `id' is string on Nemacs.
1917                     (equal target-id (wl-folder-get-entity-id (car entity))))
1918                (throw 'done
1919                       (wl-push target-id result-path))
1920              (wl-push (wl-folder-get-entity-id (car entity)) result-path))
1921            (wl-push entities entity-stack)
1922            (setq entities (nth 2 entity)))
1923           ((stringp entity)
1924            (if (and (or (not string) (string= string entity))
1925                     ;; don't use eq, `id' is string on Nemacs.
1926                     (equal target-id (wl-folder-get-entity-id entity)))
1927                (throw 'done
1928                       (wl-push target-id result-path)))))
1929          (unless entities
1930            (while (and entity-stack
1931                        (not entities))
1932              (setq result-path (cdr result-path))
1933              (setq entities (wl-pop entity-stack)))))))))
1934
1935 (defun wl-folder-create-group-alist (entity)
1936   (if (consp entity)
1937       (let ((flist (nth 2 entity))
1938             (cur-alist (list (cons (car entity) nil)))
1939              append-alist)
1940         (while flist
1941           (if (consp (car flist))
1942               (wl-append append-alist
1943                          (wl-folder-create-group-alist (car flist))))
1944           (setq flist (cdr flist)))
1945         (append cur-alist append-alist))))
1946
1947 (defun wl-folder-init-info-hashtb ()
1948   (let ((info-alist (and wl-folder-info-save
1949                          (elmo-msgdb-finfo-load))))
1950     (elmo-folder-info-make-hashtb
1951      info-alist
1952      wl-folder-entity-hashtb)))
1953 ;;; (wl-folder-resume-entity-hashtb-by-finfo
1954 ;;;  wl-folder-entity-hashtb
1955 ;;;  info-alist)))
1956
1957 (defun wl-folder-cleanup-variables ()
1958   (setq wl-folder-entity nil
1959         wl-folder-entity-hashtb nil
1960         wl-folder-entity-id-name-hashtb nil
1961         wl-folder-group-alist nil
1962         wl-folder-petname-alist nil
1963         wl-folder-newsgroups-hashtb nil
1964         wl-fldmgr-cut-entity-list nil
1965         wl-fldmgr-modified nil
1966         wl-fldmgr-modified-access-list nil
1967         wl-score-cache nil
1968         ))
1969
1970 (defun wl-make-plugged-alist ()
1971   (let ((entity-list (wl-folder-get-entity-list wl-folder-entity))
1972         (add (not wl-reset-plugged-alist)))
1973     (while entity-list
1974       (elmo-folder-set-plugged
1975        (wl-folder-get-elmo-folder (car entity-list)) wl-plugged add)
1976       (setq entity-list (cdr entity-list)))
1977     ;; smtp posting server
1978     (when wl-smtp-posting-server
1979       (elmo-set-plugged wl-plugged
1980                         wl-smtp-posting-server  ; server
1981                         (or (and (boundp 'smtp-service) smtp-service)
1982                             "smtp")     ; port
1983                         wl-smtp-connection-type
1984                         nil nil "smtp" add))
1985     ;; nntp posting server
1986     (when wl-nntp-posting-server
1987       (elmo-set-plugged wl-plugged
1988                         wl-nntp-posting-server
1989                         wl-nntp-posting-stream-type
1990                         wl-nntp-posting-port
1991                         nil nil "nntp" add))
1992     (run-hooks 'wl-make-plugged-hook)))
1993
1994 (defvar wl-folder-init-function 'wl-local-folder-init)
1995
1996 (defun wl-folder-init ()
1997   "Return top-level folder entity."
1998   (interactive)
1999   (if wl-use-acap
2000       (wl-acap-init)
2001     (funcall wl-folder-init-function)))
2002
2003 (defun wl-local-folder-init ()
2004   "Initialize local folder."
2005   (message "Initializing folder...")
2006   (setq wl-folder-entity (wl-folder-create-folder-entity))
2007   (message "Initializing folder...done"))
2008
2009 (defun wl-folder-get-realname (petname)
2010   (or (car
2011        (wl-string-rassoc
2012         petname
2013         wl-folder-petname-alist))
2014       petname))
2015
2016 (defun wl-folder-get-petname (name)
2017   (or (cdr
2018        (wl-string-assoc
2019         name
2020         wl-folder-petname-alist))
2021       name))
2022
2023 (defun wl-folder-get-entity-with-petname ()
2024   (let ((alist wl-folder-petname-alist)
2025         (hashtb (copy-sequence wl-folder-entity-hashtb)))
2026     (while alist
2027       (wl-folder-set-entity-info (cdar alist) nil hashtb)
2028       (setq alist (cdr alist)))
2029     hashtb))
2030
2031 (defun wl-folder-get-newsgroups (folder)
2032   "Return Newsgroups field value string for FOLDER newsgroup.
2033 If FOLDER is multi, return comma separated string (cross post)."
2034   (let ((flist (elmo-folder-get-primitive-list
2035                 (wl-folder-get-elmo-folder folder))) ; multi
2036         newsgroups fld ret)
2037     (while (setq fld (car flist))
2038       (if (setq ret
2039                 (cond ((eq 'nntp (elmo-folder-type-internal fld))
2040                        (elmo-nntp-folder-group-internal fld))
2041                       ((eq 'localnews (elmo-folder-type-internal fld))
2042                        (elmo-replace-in-string
2043                         (elmo-nntp-folder-group-internal fld)
2044                         "/" "\\."))))
2045           ;; append newsgroup
2046           (setq newsgroups (if (stringp newsgroups)
2047                                (concat newsgroups "," ret)
2048                              ret)))
2049       (setq flist (cdr flist)))
2050     (list nil nil newsgroups)))
2051
2052 (defun wl-folder-guess-mailing-list-by-refile-rule (entity)
2053   "Return ML address guess by FOLDER.
2054 Use `wl-subscribed-mailing-list' and `wl-refile-rule-alist'."
2055   (let ((flist
2056          (elmo-folder-get-primitive-list
2057           (wl-folder-get-elmo-folder entity)))
2058         fld ret mlist)
2059     (while (setq fld (car flist))
2060       (if (setq ret
2061                 (wl-folder-guess-mailing-list-by-refile-rule-subr
2062                  (elmo-folder-name-internal fld)))
2063           (setq mlist (if (stringp mlist)
2064                           (concat mlist ", " ret)
2065                         ret)))
2066       (setq flist (cdr flist)))
2067     (if mlist
2068         (list mlist nil nil))))
2069
2070 (defun wl-folder-guess-mailing-list-by-refile-rule-subr (entity)
2071   (unless (memq (elmo-folder-type entity)
2072                 '(localnews nntp))
2073     (let ((rules wl-refile-rule-alist)
2074           tokey toalist)
2075       (while rules
2076         (if (or (and (stringp (car (car rules)))
2077                      (string-match "[Tt]o" (car (car rules))))
2078                 (and (listp (car (car rules)))
2079                      (elmo-string-matched-member "to" (car (car rules))
2080                                                  'case-ignore)))
2081             (setq toalist (append toalist (cdr (car rules)))))
2082         (setq rules (cdr rules)))
2083       (setq tokey (car (rassoc entity toalist)))
2084 ;;;     (setq histkey (car (rassoc folder wl-refile-alist)))
2085       ;; case-ignore search `wl-subscribed-mailing-list'
2086       (if (stringp tokey)
2087           (elmo-string-matched-member tokey wl-subscribed-mailing-list t)))))
2088
2089 (defun wl-folder-guess-mailing-list-by-folder-name (entity)
2090   "Return ML address guess by FOLDER name's last hierarchy.
2091 Use `wl-subscribed-mailing-list'."
2092   (let ((flist
2093          (elmo-folder-get-primitive-list
2094           (wl-folder-get-elmo-folder entity)))
2095         fld ret mlist)
2096     (while (setq fld (car flist))
2097       (if (setq ret
2098                 (wl-folder-guess-mailing-list-by-folder-name-subr
2099                  (elmo-folder-name-internal fld)))
2100           (setq mlist (if (stringp mlist)
2101                           (concat mlist ", " ret)
2102                         ret)))
2103       (setq flist (cdr flist)))
2104     (if mlist
2105         (list mlist nil nil))))
2106
2107 (defun wl-folder-guess-mailing-list-by-folder-name-subr (entity)
2108   (when (memq (elmo-folder-type entity)
2109               '(localdir imap4 maildir))
2110     (let (key foldername)
2111       ;; Get foldername and Remove folder type symbol.
2112       (setq foldername (substring entity 1))
2113       (if (string-match "@" foldername)
2114           (setq foldername (substring foldername 0 (match-beginning 0))))
2115       (when (string-match "[^\\./]+$" foldername)
2116         (setq key (regexp-quote
2117                    (concat (substring foldername (match-beginning 0)) "@")))
2118         (elmo-string-matched-member
2119          key wl-subscribed-mailing-list 'case-ignore)))))
2120
2121 (defun wl-folder-update-diff-line (diffs)
2122   (let ((inhibit-read-only t)
2123         (buffer-read-only nil)
2124         cur-new new-new
2125         cur-unread new-unread
2126         cur-all new-all
2127         id)
2128     (save-excursion
2129       (beginning-of-line)
2130       (setq id (get-text-property (point) 'wl-folder-entity-id))
2131       (when (looking-at "^[ ]*\\(.*\\):\\([0-9\\*-]*\\)/\\([0-9\\*-]*\\)/\\([0-9\\*]*\\)")
2132         ;;(looking-at "^[ ]*\\([^\\[].+\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2133         (setq cur-new (string-to-int
2134                        (wl-match-buffer 2)))
2135         (setq cur-unread (string-to-int
2136                           (wl-match-buffer 3)))
2137         (setq cur-all (string-to-int
2138                        (wl-match-buffer 4)))
2139         (delete-region (match-beginning 2)
2140                        (match-end 4))
2141         (goto-char (match-beginning 2))
2142         (insert (format "%s/%s/%s"
2143                         (setq new-new (+ cur-new (nth 0 diffs)))
2144                         (setq new-unread (+ cur-unread (nth 1 diffs)))
2145                         (setq new-all (+ cur-all (nth 2 diffs)))))
2146         (put-text-property (match-beginning 2) (point)
2147                            'wl-folder-entity-id id)
2148         (if wl-use-highlight-mouse-line
2149             (put-text-property (match-beginning 2) (point)
2150                                'mouse-face 'highlight))
2151         (wl-highlight-folder-group-line (list new-new new-unread new-all))
2152         (setq buffer-read-only t)
2153         (set-buffer-modified-p nil)))))
2154
2155 (defun wl-folder-update-line (nums &optional is-group)
2156   (let ((inhibit-read-only t)
2157         (buffer-read-only nil)
2158         id)
2159     (save-excursion
2160       (beginning-of-line)
2161       (setq id (get-text-property (point) 'wl-folder-entity-id))
2162       (if (looking-at "^[ ]*\\(.*\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2163 ;;;       (looking-at "^[ ]*\\([^\\[].+\\):\\([0-9\\*-]*/[0-9\\*-]*/[0-9\\*]*\\)")
2164           (progn
2165             (delete-region (match-beginning 2)
2166                            (match-end 2))
2167             (goto-char (match-beginning 2))
2168             (insert (format "%s/%s/%s"
2169                             (or (nth 0 nums) "*")
2170                             (or (and (nth 0 nums)(nth 1 nums)
2171                                      (+ (nth 0 nums)(nth 1 nums)))
2172                                 "*")
2173                             (or (nth 2 nums) "*")))
2174             (put-text-property (match-beginning 2) (point)
2175                                'wl-folder-entity-id id)
2176             (if is-group
2177                 ;; update only colors
2178                 (wl-highlight-folder-group-line nums)
2179               (wl-highlight-folder-current-line nums))
2180             (beginning-of-line)
2181             (set-buffer-modified-p nil))))))
2182
2183 (defun wl-folder-goto-folder (&optional arg)
2184   (interactive "P")
2185   (wl-folder-goto-folder-subr nil arg))
2186
2187 (defun wl-folder-goto-folder-subr (&optional folder sticky)
2188   (beginning-of-line)
2189   (let (summary-buf fld-name entity id error-selecting)
2190 ;;; (setq fld-name (wl-folder-get-entity-from-buffer))
2191 ;;; (if (or (null fld-name)
2192 ;;;         (assoc fld-name wl-folder-group-alist))
2193     (setq fld-name wl-default-folder)
2194     (setq fld-name (or folder
2195                        (wl-summary-read-folder fld-name)))
2196     (if (and (setq entity
2197                    (wl-folder-search-entity-by-name fld-name
2198                                                     wl-folder-entity
2199                                                     'folder))
2200              (setq id (wl-folder-get-entity-id entity)))
2201         (wl-folder-set-current-entity-id id))
2202     (setq summary-buf (wl-summary-get-buffer-create fld-name sticky))
2203     (if (or wl-stay-folder-window wl-summary-use-frame)
2204         (wl-folder-select-buffer summary-buf)
2205       (if (and summary-buf
2206                (get-buffer-window summary-buf))
2207           (delete-window)))
2208     (wl-summary-goto-folder-subr fld-name
2209                                  (wl-summary-get-sync-range
2210                                   (wl-folder-get-elmo-folder fld-name))
2211                                  nil sticky t)))
2212   
2213 (defun wl-folder-suspend ()
2214   (interactive)
2215   (run-hooks 'wl-folder-suspend-hook)
2216   (wl-folder-info-save)
2217   (elmo-crosspost-message-alist-save)
2218   (elmo-quit)
2219   ;(if (fboundp 'mmelmo-cleanup-entity-buffers)
2220   ;(mmelmo-cleanup-entity-buffers))
2221   (bury-buffer wl-folder-buffer-name)
2222   (delete-windows-on wl-folder-buffer-name t))
2223
2224 (defun wl-folder-info-save ()
2225   (when (and wl-folder-info-save
2226              wl-folder-info-alist-modified)
2227     (let ((entities (list wl-folder-entity))
2228           entity entity-stack info-alist info)
2229       (while entities
2230         (setq entity (wl-pop entities))
2231         (cond
2232          ((consp entity)
2233           (and entities
2234                (wl-push entities entity-stack))
2235           (setq entities (nth 2 entity)))
2236          ((stringp entity)
2237           (when (and (setq info (elmo-folder-get-info
2238                                  (wl-folder-get-elmo-folder entity)))
2239                      (not (equal info '(nil))))
2240             (if (listp info)
2241                 (wl-append info-alist (list (list (elmo-string entity)
2242                                                   (list (nth 3 info)  ;; max
2243                                                         (nth 2 info)  ;; length
2244                                                         (nth 0 info)  ;; new
2245                                                         (nth 1 info)) ;; unread
2246                                                   )))))))
2247         (unless entities
2248           (setq entities (wl-pop entity-stack))))
2249       (elmo-msgdb-finfo-save info-alist)
2250       (setq wl-folder-info-alist-modified nil))))
2251
2252 (defun wl-folder-goto-first-unread-folder (&optional arg)
2253   (interactive "P")
2254   (let ((entities (list wl-folder-entity))
2255         entity entity-stack ret-val
2256         first-entity finfo)
2257     (setq first-entity
2258           (catch 'done
2259             (while entities
2260               (setq entity (wl-pop entities))
2261               (cond
2262                ((consp entity)
2263                 (and entities
2264                      (wl-push entities entity-stack))
2265                 (setq entities (nth 2 entity)))
2266                ((stringp entity)
2267                 (if (and (setq finfo (wl-folder-get-entity-info entity))
2268                          (and (nth 0 finfo)(nth 1 finfo))
2269                          (> (+ (nth 0 finfo)(nth 1 finfo)) 0))
2270                     (throw 'done entity))
2271                 (wl-append ret-val (list entity))))
2272               (unless entities
2273                 (setq entities (wl-pop entity-stack))))))
2274     (if first-entity
2275         (progn
2276           (when arg
2277             (wl-folder-jump-folder first-entity)
2278             (sit-for 0))
2279           (wl-folder-goto-folder-subr first-entity))
2280       (message "No unread folder"))))
2281
2282 (defun wl-folder-jump-folder (&optional fld-name noopen)
2283   (interactive)
2284   (if (not fld-name)
2285       (setq fld-name (wl-summary-read-folder wl-default-folder)))
2286   (goto-char (point-min))
2287   (if (not noopen)
2288       (wl-folder-open-folder fld-name))
2289   (and (wl-folder-buffer-search-entity fld-name)
2290        (beginning-of-line)))
2291
2292 (defun wl-folder-get-entity-list (entity)
2293   (let ((entities (list entity))
2294         entity-stack ret-val)
2295     (while entities
2296       (setq entity (wl-pop entities))
2297       (cond
2298        ((consp entity)
2299         (and entities
2300              (wl-push entities entity-stack))
2301         (setq entities (nth 2 entity)))
2302        ((stringp entity)
2303         (wl-append ret-val (list entity))))
2304       (unless entities
2305         (setq entities (wl-pop entity-stack))))
2306     ret-val))
2307
2308 (defun wl-folder-open-unread-folder (entity)
2309   (save-excursion
2310     (let ((alist (wl-folder-get-entity-list entity))
2311           (unread 0)
2312           finfo path-list path id)
2313       (while alist
2314         (when (and (setq finfo (wl-folder-get-entity-info (car alist)))
2315                    (nth 0 finfo) (nth 1 finfo)
2316                    (> (+ (nth 0 finfo)(nth 1 finfo)) 0))
2317           (setq unread (+ unread (+ (nth 0 finfo)(nth 1 finfo))))
2318           (setq id (wl-folder-get-entity-id (car alist)))
2319           (setq path (delete id (wl-folder-get-path
2320                                  wl-folder-entity
2321                                  id
2322                                  (car alist))))
2323           (if (not (member path path-list))
2324               (wl-append path-list (list path))))
2325         (setq alist (cdr alist)))
2326       (while path-list
2327         (wl-folder-open-folder-sub (car path-list))
2328         (setq path-list (cdr path-list)))
2329       (message "%s unread folder"
2330                (if (> unread 0) unread "No")))))
2331
2332 (defun wl-folder-open-unread-current-entity ()
2333   (interactive)
2334   (let ((entity-name (wl-folder-get-entity-from-buffer))
2335         (group (wl-folder-buffer-group-p)))
2336     (when entity-name
2337       (wl-folder-open-unread-folder
2338        (if group
2339            (wl-folder-search-group-entity-by-name entity-name
2340                                                   wl-folder-entity)
2341          entity-name)))))
2342
2343 (defun wl-folder-open-only-unread-folder ()
2344   (interactive)
2345   (let ((id (progn
2346               (wl-folder-prev-entity-skip-invalid t)
2347               (wl-folder-get-entity-from-buffer t))))
2348     (wl-folder-open-all-unread-folder)
2349     (save-excursion
2350       (goto-char (point-max))
2351       (while (and (re-search-backward
2352                    "^[ ]*\\[[-]\\].+:0/0/[0-9-]+" nil t)
2353                   (not (bobp)))
2354         (wl-folder-jump-to-current-entity) ;; close it
2355         ))
2356     (wl-folder-move-path id)
2357     (recenter)))
2358
2359 (defun wl-folder-open-all-unread-folder (&optional arg)
2360   (interactive "P")
2361   (let ((id (progn
2362               (wl-folder-prev-entity-skip-invalid t)
2363               (wl-folder-get-entity-from-buffer t))))
2364     (wl-folder-open-unread-folder wl-folder-entity)
2365     (if (not arg)
2366         (wl-folder-move-path id)
2367       (goto-char (point-min))
2368       (wl-folder-next-unread t))))
2369
2370 (defun wl-folder-open-folder (&optional fld-name)
2371   (interactive)
2372   (if (not fld-name)
2373       (setq fld-name (wl-summary-read-folder wl-default-folder)))
2374   (let* ((id (wl-folder-get-entity-id
2375               (wl-folder-search-entity-by-name fld-name wl-folder-entity
2376                                                'folder)))
2377          (path (and id (wl-folder-get-path wl-folder-entity id))))
2378       (if path
2379           (wl-folder-open-folder-sub path))))
2380
2381 (defun wl-folder-open-folder-sub (path)
2382   (let ((inhibit-read-only t)
2383         (buffer-read-only nil)
2384         indent name entity
2385         err)
2386     (save-excursion
2387       (goto-char (point-min))
2388       (while (and path
2389                   (wl-folder-buffer-search-group
2390                    (wl-folder-get-petname
2391                     (if (stringp (car path))
2392                         (car path)
2393                       (wl-folder-get-folder-name-by-id
2394                        (car path))))))
2395         (beginning-of-line)
2396         (setq path (cdr path))
2397         (if (and (looking-at wl-folder-group-regexp)
2398                  (string= "+" (wl-match-buffer 2)));; closed group
2399             (save-excursion
2400               (setq indent (wl-match-buffer 1))
2401               (setq name (wl-folder-get-realname (wl-match-buffer 3)))
2402               (setq entity (wl-folder-search-group-entity-by-name
2403                             name
2404                             wl-folder-entity))
2405               ;; insert as opened
2406               (setcdr (assoc (car entity) wl-folder-group-alist) t)
2407               (if (eq 'access (cadr entity))
2408                   (wl-folder-maybe-load-folder-list entity))
2409               (wl-folder-insert-entity indent entity)
2410               (delete-region (save-excursion (beginning-of-line)
2411                                              (point))
2412                              (save-excursion (end-of-line)
2413                                              (+ 1 (point)))))))
2414       (set-buffer-modified-p nil))))
2415
2416 (defun wl-folder-open-all-pre ()
2417   (let ((entities (list wl-folder-entity))
2418         entity entity-stack group-entry)
2419     (while entities
2420       (setq entity (wl-pop entities))
2421       (cond
2422        ((consp entity)
2423         (unless (or (not (setq group-entry
2424                                (assoc (car entity) wl-folder-group-alist)))
2425                     (cdr group-entry))
2426           (setcdr group-entry t)
2427           (when (eq 'access (cadr entity))
2428             (wl-folder-maybe-load-folder-list entity)))
2429         (and entities
2430              (wl-push entities entity-stack))
2431         (setq entities (nth 2 entity))))
2432       (unless entities
2433         (setq entities (wl-pop entity-stack))))))
2434
2435 (defun wl-folder-open-all (&optional refresh)
2436   (interactive "P")
2437   (let* ((inhibit-read-only t)
2438          (buffer-read-only nil)
2439          (len (length wl-folder-group-alist))
2440          (i 0)
2441          indent name entity)
2442     (if refresh
2443         (let ((id (progn
2444                     (wl-folder-prev-entity-skip-invalid t)
2445                     (wl-folder-get-entity-from-buffer t)))
2446               (alist wl-folder-group-alist))
2447           (while alist
2448             (setcdr (pop alist) t))
2449           (erase-buffer)
2450           (wl-folder-insert-entity " " wl-folder-entity)
2451           (wl-folder-move-path id))
2452       (message "Opening all folders...")
2453       (wl-folder-open-all-pre)
2454       (save-excursion
2455         (goto-char (point-min))
2456         (while (re-search-forward
2457                 "^\\([ ]*\\)\\[\\([+]\\)\\]\\(.+\\):[-0-9-]+/[0-9-]+/[0-9-]+\n"
2458                 nil t)
2459           (setq indent (wl-match-buffer 1))
2460           (setq name (wl-folder-get-realname (wl-match-buffer 3)))
2461           (setq entity (wl-folder-search-group-entity-by-name
2462                         name
2463                         wl-folder-entity))
2464           ;; insert as opened
2465           (setcdr (assoc (car entity) wl-folder-group-alist) t)
2466           (forward-line -1)
2467           (wl-folder-insert-entity indent entity)
2468           (delete-region (save-excursion (beginning-of-line)
2469                                          (point))
2470                          (save-excursion (end-of-line)
2471                                          (+ 1 (point))))
2472           (when (> len elmo-display-progress-threshold)
2473             (setq i (1+ i))
2474             (if (or (zerop (% i 5)) (= i len))
2475                 (elmo-display-progress
2476                  'wl-folder-open-all "Opening all folders..."
2477                  (/ (* i 100) len)))))
2478         (when (> len elmo-display-progress-threshold)
2479           (elmo-display-progress
2480            'wl-folder-open-all "Opening all folders..." 100))))
2481     (message "Opening all folders...done")
2482     (set-buffer-modified-p nil)))
2483
2484 (defun wl-folder-close-all ()
2485   (interactive)
2486   (let ((inhibit-read-only t)
2487         (buffer-read-only nil)
2488         (alist wl-folder-group-alist)
2489         (id (progn
2490               (wl-folder-prev-entity-skip-invalid t)
2491               (wl-folder-get-entity-from-buffer t))))
2492     (while alist
2493       (setcdr (car alist) nil)
2494       (setq alist (cdr alist)))
2495     (setcdr (assoc (car wl-folder-entity) wl-folder-group-alist) t)
2496     (erase-buffer)
2497     (wl-folder-insert-entity " " wl-folder-entity)
2498     (wl-folder-move-path id)
2499     (recenter)
2500     (set-buffer-modified-p nil)))
2501
2502 (defun wl-folder-open-close ()
2503   "Open or close parent entity."
2504   (interactive)
2505   (save-excursion
2506     (beginning-of-line)
2507     (if (wl-folder-buffer-group-p)
2508         ;; if group (whether opend or closed.)
2509         (wl-folder-jump-to-current-entity)
2510       ;; if folder
2511       (let (indent)
2512         (setq indent (save-excursion
2513                        (re-search-forward "\\([ ]*\\)." nil t)
2514                        (wl-match-buffer 1)))
2515         (while (looking-at indent)
2516           (forward-line -1)))
2517       (wl-folder-jump-to-current-entity))))
2518
2519 (defsubst wl-folder-access-subscribe-p (group folder)
2520   (let (subscr regexp match)
2521     (if (setq subscr (wl-get-assoc-list-value
2522                       wl-folder-access-subscribe-alist
2523                       group))
2524         (progn
2525           (setq regexp (mapconcat 'identity (cdr subscr) "\\|"))
2526           (setq match (string-match regexp folder))
2527           (if (car subscr)
2528               match
2529             (not match)))
2530       t)))
2531
2532 (defun wl-folder-update-access-group (entity new-flist)
2533   (let* ((flist (nth 2 entity))
2534          (unsubscribes (nth 3 entity))
2535          (len (+ (length flist) (length unsubscribes)))
2536          (i 0)
2537          diff new-unsubscribes removes
2538          subscribed-list folder group entry)
2539     ;; check subscribed groups
2540     (while flist
2541       (cond
2542        ((listp (car flist))     ;; group
2543         (setq group (elmo-string (caar flist)))
2544         (cond
2545          ((assoc group new-flist)       ;; found in new-flist
2546           (setq new-flist (delete (assoc group new-flist)
2547                                   new-flist))
2548           (if (wl-folder-access-subscribe-p (car entity) group)
2549               (wl-append subscribed-list (list (car flist)))
2550             (wl-append new-unsubscribes (list (car flist)))
2551             (setq diff t)))
2552          (t
2553           (setq wl-folder-group-alist
2554                 (delete (wl-string-assoc group wl-folder-group-alist)
2555                         wl-folder-group-alist))
2556           (wl-append removes (list (list group))))))
2557        (t                       ;; folder
2558         (setq folder (elmo-string (car flist)))
2559         (cond
2560          ((member folder new-flist)     ;; found in new-flist
2561           (setq new-flist (delete folder new-flist))
2562           (if (wl-folder-access-subscribe-p (car entity) folder)
2563               (wl-append subscribed-list (list (car flist)))
2564             (wl-append new-unsubscribes (list folder))
2565             (setq diff t)))
2566          (t
2567           (wl-append removes (list folder))))))
2568       (when (> len elmo-display-progress-threshold)
2569         (setq i (1+ i))
2570         (if (or (zerop (% i 10)) (= i len))
2571             (elmo-display-progress
2572              'wl-folder-update-access-group "Updating access group..."
2573              (/ (* i 100) len))))
2574       (setq flist (cdr flist)))
2575     ;; check unsubscribed groups
2576     (while unsubscribes
2577       (cond
2578        ((listp (car unsubscribes))
2579         (when (setq entry (assoc (caar unsubscribes) new-flist))
2580           (setq new-flist (delete entry new-flist))
2581           (wl-append new-unsubscribes (list (car unsubscribes)))))
2582        (t
2583         (when (member (car unsubscribes) new-flist)
2584           (setq new-flist (delete (car unsubscribes) new-flist))
2585           (wl-append new-unsubscribes (list (car unsubscribes))))))
2586       (when (> len elmo-display-progress-threshold)
2587         (setq i (1+ i))
2588         (if (or (zerop (% i 10)) (= i len))
2589             (elmo-display-progress
2590              'wl-folder-update-access-group "Updating access group..."
2591              (/ (* i 100) len))))
2592       (setq unsubscribes (cdr unsubscribes)))
2593     ;;
2594     (if (or new-flist removes)
2595         (setq diff t))
2596     (setq new-flist
2597           (mapcar '(lambda (x)
2598                      (cond ((consp x) (list (car x) 'access))
2599                            (t x)))
2600                   new-flist))
2601     ;; check new groups
2602     (let ((new-list new-flist))
2603       (while new-list
2604         (if (not (wl-folder-access-subscribe-p
2605                   (car entity)
2606                   (if (listp (car new-list))
2607                       (caar new-list)
2608                     (car new-list))))
2609             ;; auto unsubscribe
2610             (progn
2611               (wl-append new-unsubscribes (list (car new-list)))
2612               (setq new-flist (delete (car new-list) new-flist)))
2613           (cond
2614            ((listp (car new-list))
2615             ;; check group exists
2616             (if (wl-string-assoc (caar new-list) wl-folder-group-alist)
2617                 (progn
2618                   (message "%s: group already exists." (caar new-list))
2619                   (sit-for 1)
2620                   (wl-append new-unsubscribes (list (car new-list)))
2621                   (setq new-flist (delete (car new-list) new-flist)))
2622               (wl-append wl-folder-group-alist
2623                          (list (cons (caar new-list) nil)))))))
2624         (setq new-list (cdr new-list))))
2625     (if new-flist
2626         (message "%d new folder(s)." (length new-flist))
2627       (message "Updating access group...done"))
2628     (wl-append new-flist subscribed-list)       ;; new is first
2629     (run-hooks 'wl-folder-update-access-group-hook)
2630     (setcdr (cdr entity) (list new-flist new-unsubscribes))
2631     (list diff new-flist new-unsubscribes removes)))
2632
2633 (defun wl-folder-prefetch-entity (entity)
2634   "Prefetch all new messages in the ENTITY."
2635   (cond
2636    ((consp entity)
2637     (let ((flist (nth 2 entity))
2638           (sum-done 0)
2639           (sum-all 0)
2640           result)
2641       (while flist
2642         (setq result (wl-folder-prefetch-entity (car flist)))
2643         (setq sum-done (+ sum-done (car result)))
2644         (setq sum-all (+ sum-all (cdr result)))
2645         (setq flist (cdr flist)))
2646       (message "Prefetched %d/%d message(s) in \"%s\"."
2647                sum-done sum-all
2648                (wl-folder-get-petname (car entity)))
2649       (cons sum-done sum-all)))
2650    ((stringp entity)
2651     (let* ((folder (wl-folder-get-elmo-folder entity))
2652            (nums (wl-folder-get-entity-info entity))
2653            (wl-summary-highlight (if (or (wl-summary-sticky-p folder)
2654                                          (wl-summary-always-sticky-folder-p
2655                                           folder))
2656                                      wl-summary-highlight))
2657            wl-summary-exit-next-move
2658            wl-auto-select-first ret-val
2659            count)
2660       (setq count (or (car nums) 0))
2661       (setq count (+ count (wl-folder-count-incorporates folder)))
2662       (if (or (null (car nums)) ; unknown
2663               (< 0 count))
2664           (save-window-excursion
2665             (save-excursion
2666               (let ((wl-summary-buffer-name (concat
2667                                              wl-summary-buffer-name
2668                                              (symbol-name this-command)))
2669                     (wl-summary-use-frame nil)
2670                     (wl-summary-always-sticky-folder-list nil))
2671                 (wl-summary-goto-folder-subr entity
2672                                              (wl-summary-get-sync-range
2673                                               folder)
2674                                              nil)
2675                 (setq ret-val (wl-summary-incorporate))
2676                 (wl-summary-exit)
2677                 ret-val)))
2678         (cons 0 0))))))
2679
2680 (defun wl-folder-count-incorporates (folder)
2681   (let ((marks (elmo-msgdb-mark-load
2682                 (elmo-folder-msgdb-path folder)))
2683         (sum 0))
2684     (while marks
2685       (if (member (cadr (car marks))
2686                   wl-summary-incorporate-marks)
2687           (incf sum))
2688       (setq marks (cdr marks)))
2689     sum))
2690
2691 (defun wl-folder-prefetch-current-entity (&optional no-check)
2692   "Prefetch all uncached messages in the folder at position.
2693 If current line is group folder, all subfolders are prefetched."
2694   (interactive "P")
2695   (save-excursion
2696     (let ((entity-name (wl-folder-get-entity-from-buffer))
2697           (group (wl-folder-buffer-group-p))
2698           wl-folder-check-entity-hook
2699           summary-buf entity)
2700       (when entity-name
2701         (setq entity
2702               (if group
2703                   (wl-folder-search-group-entity-by-name entity-name
2704                                                          wl-folder-entity)
2705                 entity-name))
2706         (if (not no-check)
2707             (wl-folder-check-entity entity))
2708         (wl-folder-prefetch-entity entity)))))
2709
2710 ;(defun wl-folder-drop-unsync-entity (entity)
2711 ;  "Drop all unsync messages in the ENTITY."
2712 ;  (cond
2713 ;   ((consp entity)
2714 ;    (let ((flist (nth 2 entity)))
2715 ;      (while flist
2716 ;       (wl-folder-drop-unsync-entity (car flist))
2717 ;       (setq flist (cdr flist)))))
2718 ;   ((stringp entity)
2719 ;    (let ((nums (wl-folder-get-entity-info entity))
2720 ;         wl-summary-highlight wl-auto-select-first new)
2721 ;      (setq new (or (car nums) 0))
2722 ;      (if (< 0 new)
2723 ;         (save-window-excursion
2724 ;           (save-excursion
2725 ;             (let ((wl-summary-buffer-name (concat
2726 ;                                            wl-summary-buffer-name
2727 ;                                            (symbol-name this-command))))
2728 ;               (wl-summary-goto-folder-subr entity 'no-sync nil)
2729 ;               (wl-summary-drop-unsync)
2730 ;               (wl-summary-exit)))))))))
2731
2732 ;(defun wl-folder-drop-unsync-current-entity (&optional force-check)
2733 ;  "Drop all unsync messages in the folder at position.
2734 ;If current line is group folder, all subfolders are dropped.
2735 ;If optional arg exists, don't check any folders."
2736 ;  (interactive "P")
2737 ;  (save-excursion
2738 ;    (let ((entity-name (wl-folder-get-entity-from-buffer))
2739 ;         (group (wl-folder-buffer-group-p))
2740 ;         wl-folder-check-entity-hook
2741 ;         summary-buf entity)
2742 ;      (when (and entity-name
2743 ;                (y-or-n-p (format
2744 ;                           "Drop all unsync messages in %s?" entity-name)))
2745 ;       (setq entity
2746 ;             (if group
2747 ;                 (wl-folder-search-group-entity-by-name entity-name
2748 ;                                                        wl-folder-entity)
2749 ;               entity-name))
2750 ;       (if (null force-check)
2751 ;           (wl-folder-check-entity entity))
2752 ;       (wl-folder-drop-unsync-entity entity)
2753 ;       (message "All unsync messages in %s are dropped!" entity-name)))))
2754
2755 (defun wl-folder-write-current-folder ()
2756   "Write message to current folder's newsgroup or mailing-list.
2757 Call `wl-summary-write-current-folder' with current folder name."
2758   (interactive)
2759   (unless (wl-folder-buffer-group-p)
2760     (wl-summary-write-current-folder
2761      (wl-folder-get-realname (wl-folder-entity-name)))))
2762
2763 (defun wl-folder-mimic-kill-buffer ()
2764   "Kill the current (Folder) buffer with query."
2765   (interactive)
2766   (let ((bufname (read-buffer (format "Kill buffer: (default %s) "
2767                                       (buffer-name))))
2768         wl-interactive-exit)
2769     (if (or (not bufname)
2770             (string-equal bufname "")
2771             (string-equal bufname (buffer-name)))
2772         (wl-exit)
2773       (kill-buffer bufname))))
2774
2775 (defun wl-folder-create-subr (folder)
2776   (if (not (elmo-folder-creatable-p folder))
2777       (error "Folder %s is not found" (elmo-folder-name-internal folder))
2778     (if (y-or-n-p
2779          (format "Folder %s does not exist, create it?"
2780                  (elmo-folder-name-internal folder)))
2781         (progn
2782           (setq wl-folder-entity-hashtb
2783                 (wl-folder-create-entity-hashtb
2784                  (elmo-folder-name-internal folder)
2785                  wl-folder-entity-hashtb))
2786           (unless (elmo-folder-create folder)
2787             (error "Create folder failed")))
2788       (error "Folder %s is not created" (elmo-folder-name-internal folder)))))
2789
2790 (defun wl-folder-confirm-existence (folder &optional force)
2791   (if force
2792       (unless (elmo-folder-exists-p folder)
2793         (wl-folder-create-subr folder))
2794     (unless (or (wl-folder-entity-exists-p (elmo-folder-name-internal folder))
2795                 (file-exists-p (elmo-folder-msgdb-path folder))
2796                 (elmo-folder-exists-p folder))
2797       (wl-folder-create-subr folder))))
2798
2799 (require 'product)
2800 (product-provide (provide 'wl-folder) (require 'wl-version))
2801
2802 ;;; wl-folder.el ends here