;;; gnus-topic.el --- a folding minor mode for Gnus group buffers
-;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Ilja Weis <kult@uni-paderborn.de>
;; Lars Magne Ingebrigtsen <larsi@gnus.org>
(if (member group gnus-zombie-list)
gnus-level-zombie gnus-level-killed))))
(and
- unread ; nil means that the group is dead.
+ info ; nil means that the group is dead.
(<= clevel level)
(>= clevel lowest) ; Is inside the level we want.
(or all
- (if (eq unread t)
+ (if (or (eq unread t)
+ (eq unread nil))
gnus-group-list-inactive-groups
(> unread 0))
(and gnus-list-groups-with-ticked-articles
(cdr (assq 'tick (gnus-info-marks info))))
- ; Has right readedness.
+ ;; Has right readedness.
;; Check for permanent visibility.
(and gnus-permanently-visible-groups
(string-match gnus-permanently-visible-groups group))
(let* ((topic (gnus-group-topic group))
(groups (cdr (assoc topic gnus-topic-alist)))
(g (cdr (member group groups)))
- (unfound t))
+ (unfound t)
+ entry)
;; Try to jump to a visible group.
(while (and g (not (gnus-group-goto-group (car g) t)))
(pop g))
(when (and unfound
topic
(not (gnus-topic-goto-missing-topic topic)))
- (gnus-topic-insert-topic-line
- topic t t (car (gnus-topic-find-topology topic)) nil 0)))))
+ (let* ((top (gnus-topic-find-topology topic))
+ (children (cddr top))
+ (type (cadr top))
+ (unread 0)
+ (entries (gnus-topic-find-groups
+ (car type) (car gnus-group-list-mode)
+ (cdr gnus-group-list-mode))))
+ (while children
+ (incf unread (gnus-topic-unread (caar (pop children)))))
+ (while (setq entry (pop entries))
+ (when (numberp (car entry))
+ (incf unread (car entry))))
+ (gnus-topic-insert-topic-line
+ topic t t (car (gnus-topic-find-topology topic)) nil unread))))))
(defun gnus-topic-goto-missing-topic (topic)
(if (gnus-topic-goto-topic topic)
(let* ((top (gnus-topic-find-topology
(gnus-topic-parent-topic topic)))
(tp (reverse (cddr top))))
- (while (not (equal (caaar tp) topic))
- (setq tp (cdr tp)))
- (pop tp)
- (while (and tp
- (not (gnus-topic-goto-topic (caaar tp))))
- (pop tp))
- (if tp
- (gnus-topic-forward-topic 1)
- (gnus-topic-goto-missing-topic (caadr top))))
+ (if (not top)
+ (gnus-topic-insert-topic-line
+ topic t t (car (gnus-topic-find-topology topic)) nil 0)
+ (while (not (equal (caaar tp) topic))
+ (setq tp (cdr tp)))
+ (pop tp)
+ (while (and tp
+ (not (gnus-topic-goto-topic (caaar tp))))
+ (pop tp))
+ (if tp
+ (gnus-topic-forward-topic 1)
+ (gnus-topic-goto-missing-topic (caadr top)))))
nil))
(defun gnus-topic-update-topic-line (topic-name &optional reads)
["Create" gnus-topic-create-topic t]
["Mark" gnus-topic-mark-topic t]
["Indent" gnus-topic-indent t]
+ ["Sort" gnus-topic-sort-topics t]
["Toggle hide empty" gnus-topic-toggle-display-empty-topics t]
["Edit parameters" gnus-topic-edit-parameters t])
["List active" gnus-topic-list-active t]))))
(if (null arg) (not gnus-topic-mode)
(> (prefix-numeric-value arg) 0)))
;; Infest Gnus with topics.
- (if (not gnus-topic-mode)
+ (if (not gnus-topic-mode)
(setq gnus-goto-missing-group-function nil)
(when (gnus-visual-p 'topic-menu 'menu)
(gnus-topic-make-menu-bar))
(save-excursion
(gnus-message 5 "Expiring groups in %s..." topic)
(let ((gnus-group-marked
- (mapcar (lambda (entry) (car (nth 2 entry)))
- (gnus-topic-find-groups topic gnus-level-killed t))))
- (gnus-group-expire-articles nil))
+ (mapcar (lambda (entry) (car (nth 2 entry)))
+ (gnus-topic-find-groups topic gnus-level-killed t))))
+ (gnus-group-expire-articles nil))
(gnus-message 5 "Expiring groups in %s...done" topic))))
(defun gnus-topic-read-group (&optional all no-article group)
(completing-read "Move to topic: " gnus-topic-alist nil t)))
(let ((groups (gnus-group-process-prefix n))
(topicl (assoc topic gnus-topic-alist))
- (start-group (progn (forward-line 1) (gnus-group-group-name)))
(start-topic (gnus-group-topic-name))
+ (start-group (progn (forward-line 1) (gnus-group-group-name)))
entry)
- (mapcar
- (lambda (g)
- (gnus-group-remove-mark g)
- (when (and
- (setq entry (assoc (gnus-current-topic) gnus-topic-alist))
- (not copyp))
- (setcdr entry (gnus-delete-first g (cdr entry))))
- (nconc topicl (list g)))
- groups)
- (gnus-topic-enter-dribble)
- (if start-group
- (gnus-group-goto-group start-group)
- (gnus-topic-goto-topic start-topic))
- (gnus-group-list-groups)))
+ (if (and (not groups) (not copyp) start-topic)
+ (gnus-topic-move start-topic topic)
+ (mapcar
+ (lambda (g)
+ (gnus-group-remove-mark g)
+ (when (and
+ (setq entry (assoc (gnus-current-topic) gnus-topic-alist))
+ (not copyp))
+ (setcdr entry (gnus-delete-first g (cdr entry))))
+ (nconc topicl (list g)))
+ groups)
+ (gnus-topic-enter-dribble)
+ (if start-group
+ (gnus-group-goto-group start-group)
+ (gnus-topic-goto-topic start-topic))
+ (gnus-group-list-groups))))
(defun gnus-topic-remove-group (&optional arg)
"Remove the current group from the topic."
(interactive "P")
(gnus-topic-sort-groups 'gnus-group-sort-by-method reverse))
+(defun gnus-topic-sort-topics-1 (top reverse)
+ (if (cdr top)
+ (let ((subtop
+ (mapcar `(lambda (top)
+ (gnus-topic-sort-topics-1 top ,reverse))
+ (sort (cdr top)
+ '(lambda (t1 t2)
+ (string-lessp (caar t1) (caar t2)))))))
+ (setcdr top (if reverse (reverse subtop) subtop))))
+ top)
+
+(defun gnus-topic-sort-topics (&optional topic reverse)
+ "Sort topics in TOPIC alphabeticaly by topic name.
+If REVERSE, reverse the sorting order."
+ (interactive
+ (list (completing-read "Sort topics in : " gnus-topic-alist nil t
+ (gnus-current-topic))
+ current-prefix-arg))
+ (let ((topic-topology (or (and topic (cdr (gnus-topic-find-topology topic)))
+ gnus-topic-topology)))
+ (gnus-topic-sort-topics-1 topic-topology reverse)
+ (gnus-topic-enter-dribble)
+ (gnus-group-list-groups)
+ (gnus-topic-goto-topic topic)))
+
+(defun gnus-topic-move (current to)
+ "Move the CURRENT topic to TO."
+ (interactive
+ (list
+ (gnus-group-topic-name)
+ (completing-read "Move to topic: " gnus-topic-alist nil t)))
+ (unless (and current to)
+ (error "Can't find topic"))
+ (let ((current-top (cdr (gnus-topic-find-topology current)))
+ (to-top (cdr (gnus-topic-find-topology to))))
+ (unless current-top
+ (error "Can't find topic `%s'" current))
+ (unless to-top
+ (error "Can't find topic `%s'" to))
+ (if (gnus-topic-find-topology to current-top 0);; Don't care the level
+ (error "Can't move `%s' to its sub-level" current))
+ (gnus-topic-find-topology current nil nil 'delete)
+ (while (cdr to-top)
+ (setq to-top (cdr to-top)))
+ (setcdr to-top (list current-top))
+ (gnus-topic-enter-dribble)
+ (gnus-group-list-groups)
+ (gnus-topic-goto-topic current)))
+
+(defun gnus-subscribe-topics (newsgroup)
+ (catch 'end
+ (let (match gnus-group-change-level-function)
+ (dolist (topic (gnus-topic-list))
+ (when (and (setq match (cdr (assq 'subscribe
+ (gnus-topic-parameters topic))))
+ (string-match match newsgroup))
+ ;; Just subscribe the group.
+ (gnus-subscribe-alphabetically newsgroup)
+ ;; Add the group to the topic.
+ (nconc (assoc topic gnus-topic-alist) (list newsgroup))
+ (throw 'end t))))))
+
(provide 'gnus-topic)
;;; gnus-topic.el ends here
projects / gnus / blobdiff