summaryrefslogtreecommitdiff
path: root/lisp/org/org-wl.el
blob: f1616f8001d9cc33126b73271c042e87d7fff4c9 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
;;; org-wl.el --- Support for links to Wanderlust messages from within Org-mode

;; Copyright (C) 2004-2011  Free Software Foundation, Inc.

;; Author: Tokuya Kameshima <kames at fa2 dot so-net dot ne dot jp>
;;         David Maus <dmaus at ictsoc dot de>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;; Version: 7.4
;;
;; This file is part of GNU Emacs.
;;
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Commentary:

;; This file implements links to Wanderlust messages from within Org-mode.
;; Org-mode loads this module by default - if this is not what you want,
;; configure the variable `org-modules'.

;;; Code:

(require 'org)

(defgroup org-wl nil
 "Options concerning the Wanderlust link."
 :tag "Org Startup"
 :group 'org-link)

(defcustom org-wl-link-to-refile-destination t
  "Create a link to the refile destination if the message is marked as refile."
  :group 'org-wl
  :type 'boolean)

(defcustom org-wl-link-remove-filter nil
  "Remove filter condition if message is filter folder."
  :group 'org-wl
  :type 'boolean)

(defcustom org-wl-shimbun-prefer-web-links nil
  "If non-nil create web links for shimbun messages."
  :group 'org-wl
  :type 'boolean)

(defcustom org-wl-nntp-prefer-web-links nil
  "If non-nil create web links for nntp messages.
When folder name contains string \"gmane\" link to gmane,
googlegroups otherwise."
  :type 'boolean
  :group 'org-wl)

(defcustom org-wl-disable-folder-check t
  "Disable check for new messages when open a link."
  :type 'boolean
  :group 'org-wl)

(defcustom org-wl-namazu-default-index nil
  "Default namazu search index."
  :type 'directory
  :group 'org-wl)

;; Declare external functions and variables
(declare-function elmo-folder-exists-p "ext:elmo" (folder) t)
(declare-function elmo-message-entity-field "ext:elmo-msgdb"
		  (entity field &optional type))
(declare-function elmo-message-field "ext:elmo"
		  (folder number field &optional type) t)
(declare-function elmo-msgdb-overview-get-entity "ext:elmo" (id msgdb) t)
;; Backward compatibility to old version of wl
(declare-function wl "ext:wl" () t)
(declare-function wl-summary-buffer-msgdb "ext:wl-folder" () t)
(declare-function wl-summary-jump-to-msg-by-message-id "ext:wl-summary"
		  (&optional id))
(declare-function wl-summary-jump-to-msg "ext:wl-summary"
		  (&optional number beg end))
(declare-function wl-summary-line-from "ext:wl-summary" ())
(declare-function wl-summary-line-subject "ext:wl-summary" ())
(declare-function wl-summary-message-number "ext:wl-summary" ())
(declare-function wl-summary-redisplay "ext:wl-summary" (&optional arg))
(declare-function wl-summary-registered-temp-mark "ext:wl-action" (number))
(declare-function wl-folder-goto-folder-subr "ext:wl-folder"
		  (&optional folder sticky))
(declare-function wl-folder-get-petname "ext:wl-folder" (name))
(declare-function wl-folder-get-entity-from-buffer "ext:wl-folder"
		  (&optional getid))
(declare-function wl-folder-buffer-group-p "ext:wl-folder")
(defvar wl-init)
(defvar wl-summary-buffer-elmo-folder)
(defvar wl-summary-buffer-folder-name)
(defvar wl-folder-group-regexp)
(defvar wl-auto-check-folder-name)
(defvar elmo-nntp-default-server)

(defconst org-wl-folder-types
  '(("%" . imap) ("-" . nntp) ("+" . mh) ("=" . spool)
    ("$" . archive) ("&" . pop) ("@" . shimbun) ("[" . search)
    ("*" . multi) ("/" . filter) ("|" . pipe) ("'" . internal))
  "List of folder indicators.  See Wanderlust manual, section 3.")

;; Install the link type
(org-add-link-type "wl" 'org-wl-open)
(add-hook 'org-store-link-functions 'org-wl-store-link)

;; Implementation

(defun org-wl-folder-type (folder)
  "Return symbol that indicates the type of FOLDER.
FOLDER is the wanderlust folder name.  The first character of the
folder name determines the folder type."
  (let* ((indicator (substring folder 0 1))
	 (type (cdr (assoc indicator org-wl-folder-types))))
    ;; maybe access or file folder
    (when (not type)
      (setq type
	    (cond
	     ((and (>= (length folder) 5)
		   (string= (substring folder 0 5) "file:"))
	      'file)
	     ((and (>= (length folder) 7)
		   (string= (substring folder 0 7) "access:"))
	      'access)
	     (t
	      nil))))
    type))

(defun org-wl-message-field (field entity)
  "Return content of FIELD in ENTITY.
FIELD is a symbol of a rfc822 message header field.
ENTITY is a message entity."
  (let ((content (elmo-message-entity-field entity field 'string)))
    (if (listp content) (car content) content)))

(defun org-wl-store-link ()
  "Store a link to a WL message or folder."
  (unless (eobp)
    (cond
     ((memq major-mode '(wl-summary-mode mime-view-mode))
      (org-wl-store-link-message))
     ((eq major-mode 'wl-folder-mode)
      (org-wl-store-link-folder))
     (t
      nil))))

(defun org-wl-store-link-folder ()
  "Store a link to a WL folder."
  (let* ((folder (wl-folder-get-entity-from-buffer))
	 (petname (wl-folder-get-petname folder))
	 (link (org-make-link "wl:" folder)))
    (save-excursion
      (beginning-of-line)
      (unless (and (wl-folder-buffer-group-p)
		   (looking-at wl-folder-group-regexp))
	(org-store-link-props :type "wl" :description petname
			      :link link)
	link))))

(defun org-wl-store-link-message ()
  "Store a link to a WL message."
  (save-excursion
    (let ((buf (if (eq major-mode 'wl-summary-mode)
		   (current-buffer)
		 (and (boundp 'wl-message-buffer-cur-summary-buffer)
		      wl-message-buffer-cur-summary-buffer))))
      (when buf
	(with-current-buffer buf
	  (let* ((msgnum (wl-summary-message-number))
		 (mark-info (wl-summary-registered-temp-mark msgnum))
		 (folder-name
		  (if (and org-wl-link-to-refile-destination
			   mark-info
			   (equal (nth 1 mark-info) "o")) ; marked as refile
		      (nth 2 mark-info)
		    wl-summary-buffer-folder-name))
		 (folder-type (org-wl-folder-type folder-name))
		 (wl-message-entity
		  (if (fboundp 'elmo-message-entity)
		      (elmo-message-entity
		       wl-summary-buffer-elmo-folder msgnum)
		    (elmo-msgdb-overview-get-entity
		     msgnum (wl-summary-buffer-msgdb))))
		 (message-id
		  (org-wl-message-field 'message-id wl-message-entity))
		 (message-id-no-brackets
		  (org-remove-angle-brackets message-id))
		 (from (org-wl-message-field 'from wl-message-entity))
		 (to (org-wl-message-field 'to wl-message-entity))
		 (xref (org-wl-message-field 'xref wl-message-entity))
		 (subject (org-wl-message-field 'subject wl-message-entity))
		 (date (org-wl-message-field 'date wl-message-entity))
		 (date-ts (and date (format-time-string
				     (org-time-stamp-format t)
				     (date-to-time date))))
		 (date-ts-ia (and date (format-time-string
					(org-time-stamp-format t t)
					(date-to-time date))))
		 desc link)

	    ;; remove text properties of subject string to avoid possible bug
	    ;; when formatting the subject
	    ;; (Emacs bug #5306, fixed)
	    (set-text-properties 0 (length subject) nil subject)

	    ;; maybe remove filter condition
	    (when (and (eq folder-type 'filter) org-wl-link-remove-filter)
	      (while (eq (org-wl-folder-type folder-name) 'filter)
		(setq folder-name
		      (replace-regexp-in-string "^/[^/]+/" "" folder-name))))

	    ;; maybe create http link
	    (cond
	     ((and (eq folder-type 'shimbun)
		   org-wl-shimbun-prefer-web-links xref)
	      (org-store-link-props :type "http" :link xref :description subject
				    :from from :to to :message-id message-id
				    :message-id-no-brackets message-id-no-brackets
				    :subject subject))
	     ((and (eq folder-type 'nntp) org-wl-nntp-prefer-web-links)
	      (setq link
		    (format
		     (if (string-match "gmane\\." folder-name)
			 "http://mid.gmane.org/%s"
		       "http://groups.google.com/groups/search?as_umsgid=%s")
		     (org-fixup-message-id-for-http message-id)))
	      (org-store-link-props :type "http" :link link :description subject
				    :from from :to to :message-id message-id
				    :message-id-no-brackets message-id-no-brackets
				    :subject subject))
	     (t
	      (org-store-link-props :type "wl" :from from :to to
				    :subject subject :message-id message-id
				    :message-id-no-brackets message-id-no-brackets)
	      (setq desc (org-email-link-description))
	      (setq link (org-make-link "wl:" folder-name "#" message-id-no-brackets))
	      (org-add-link-props :link link :description desc)))
	    (when date
	      (org-add-link-props :date date :date-timestamp date-ts
				  :date-timestamp-inactive date-ts-ia))
	    (or link xref)))))))

(defun org-wl-open-nntp (path)
  "Follow the nntp: link specified by PATH."
  (let* ((spec (split-string path "/"))
	 (server (split-string (nth 2 spec) "@"))
	 (group (nth 3 spec))
	 (article (nth 4 spec)))
    (org-wl-open
     (concat "-" group ":" (if (cdr server)
			       (car (split-string (car server) ":"))
			     "")
	     (if (string= elmo-nntp-default-server (nth 2 spec))
		 ""
	       (concat "@" (or (cdr server) (car server))))
	     (if article (concat "#" article) "")))))

(defun org-wl-open (path)
  "Follow the WL message link specified by PATH.
When called with one prefix, open message in namazu search folder
with `org-wl-namazu-default-index' as search index.  When called
with two prefixes or `org-wl-namazu-default-index' is nil, ask
for namazu index."
  (require 'wl)
  (let ((wl-auto-check-folder-name
	 (if org-wl-disable-folder-check
	     'none
	   wl-auto-check-folder-name)))
    (unless wl-init (wl))
    ;; XXX: The imap-uw's MH folder names start with "%#".
    (if (not (string-match "\\`\\(\\(?:%#\\)?[^#]+\\)\\(#\\(.*\\)\\)?" path))
	(error "Error in Wanderlust link"))
    (let ((folder (match-string 1 path))
	  (article (match-string 3 path)))
      ;; maybe open message in namazu search folder
      (when current-prefix-arg
	(setq folder (concat "[" article "]"
			     (if (and (equal current-prefix-arg '(4))
				      org-wl-namazu-default-index)
				 org-wl-namazu-default-index
			       (read-directory-name "Namazu index: ")))))
      (if (not (elmo-folder-exists-p (org-no-warnings
				      (wl-folder-get-elmo-folder folder))))
	  (error "No such folder: %s" folder))
      (let ((old-buf (current-buffer))
	    (old-point (point-marker)))
	(wl-folder-goto-folder-subr folder)
	(with-current-buffer old-buf
	  ;; XXX: `wl-folder-goto-folder-subr' moves point to the
	  ;; beginning of the current line.  So, restore the point
	  ;; in the old buffer.
	  (goto-char old-point))
	(when article
	  (if (org-string-match-p "@" article)
	      (wl-summary-jump-to-msg-by-message-id (org-add-angle-brackets
						     article))
	    (or (wl-summary-jump-to-msg (string-to-number article))
		(error "No such message: %s" article)))
	     (wl-summary-redisplay))))))

(provide 'org-wl)


;;; org-wl.el ends here