lisp/org-mew.el

   1 ;;; org-mew.el --- Support for links to Mew messages from within Org-mode
   2
   3 ;; Copyright (C) 2008 Free Software Foundation, Inc.
   4
   5 ;; Author: Tokuya Kameshima <kames at fa2 dot so-net dot ne dot jp>
   6 ;; Keywords: outlines, hypermedia, calendar, wp
   7 ;; Homepage: http://orgmode.org
   8 ;; Version: 6.02a
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs 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 3, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs 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., 51 Franklin Street, Fifth Floor,
  25 ;; Boston, MA 02110-1301, USA.
  26 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  27 ;;
  28 ;;; Commentary:
  29
  30 ;; This file implements links to Mew messages from within Org-mode.
  31 ;; Org-mode loads this module by default - if this is not what you want,
  32 ;; configure the variable `org-modules'.
  33
  34 ;;; Code:
  35
  36 (require 'org)
  37
  38 (defgroup org-mew nil
  39  "Options concerning the Mew link."
  40  :tag "Org Startup"
  41  :group 'org-link)
  42
  43 (defcustom org-mew-link-to-refile-destination t
  44  "Create a link to the refile destination if the message is marked as refile."
  45  :group 'org-mew
  46  :type 'boolean)
  47
  48 ;; Declare external functions and variables
  49 (declare-function mew-cache-hit "ext:mew-cache" (fld msg &optional must-hit))
  50 (declare-function mew-header-get-value "ext:mew-header"
  51                   (field &optional as-list))
  52 (declare-function mew-init "ext:mew" ())
  53 (declare-function mew-refile-get "ext:mew-refile" (msg))
  54 (declare-function mew-summary-display "ext:mew-summary2" (&optional redisplay))
  55 (declare-function mew-summary-folder-name "ext:mew-syntax" (&optional ext))
  56 (declare-function mew-summary-get-mark "ext:mew-mark" ())
  57 (declare-function mew-summary-message-number2 "ext:mew-syntax" ())
  58 (declare-function mew-summary-pick-with-mewl "ext:mew-pick"
  59                   (pattern folder src-msgs))
  60 (declare-function mew-summary-search-msg "ext:mew-const" (msg))
  61 (declare-function mew-summary-set-message-buffer "ext:mew-summary3" (fld msg))
  62 (declare-function mew-summary-visit-folder "ext:mew-summary4"
  63                   (folder &optional goend no-ls))
  64 (declare-function mew-window-push "ext:mew" ())
  65 (defvar mew-init-p)
  66 (defvar mew-summary-goto-line-then-display)
  67
  68 ;; Install the link type
  69 (org-add-link-type "mew" 'org-mew-open)
  70 (add-hook 'org-store-link-functions 'org-mew-store-link)
  71
  72 ;; Implementation
  73 (defun org-mew-store-link ()
  74  "Store a link to a MEW folder or message."
  75  (when (memq major-mode '(mew-summary-mode mew-virtual-mode))
  76    (let* ((msgnum (mew-summary-message-number2))
  77            (mark-info (mew-summary-get-mark))
  78            (folder-name
  79             (if (and org-mew-link-to-refile-destination
  80                      (eq mark-info ?o)) ; marked as refile
  81                 (nth 1 (mew-refile-get msgnum))
  82               (mew-summary-folder-name)))
  83            message-id from to subject desc link)
  84      (save-window-excursion
  85         (if (fboundp 'mew-summary-set-message-buffer)
  86             (mew-summary-set-message-buffer folder-name msgnum)
  87           (set-buffer (mew-cache-hit folder-name msgnum t)))
  88         (setq message-id (mew-header-get-value "Message-Id:"))
  89         (setq from (mew-header-get-value "From:"))
  90         (setq to (mew-header-get-value "To:"))
  91         (setq subject (mew-header-get-value "Subject:")))
  92      (org-store-link-props :type "mew" :from from :to to
  93                             :subject subject :message-id message-id)
  94      (setq message-id (org-remove-angle-brackets message-id))
  95      (setq desc (org-email-link-description))
  96      (setq link (org-make-link "mew:" folder-name
  97                                 "#" message-id))
  98      (org-add-link-props :link link :description desc)
  99      link)))
 100
 101 (defun org-mew-open (path)
 102  "Follow the Mew message link specified by PATH."
 103  (let (folder msgnum)
 104    (cond ((string-match "\\`\\(+.*\\)+\\+\\([0-9]+\\)\\'" path) ; for Bastien's
 105            (setq folder (match-string 1 path))
 106            (setq msgnum (match-string 2 path)))
 107           ((string-match "\\`\\(\\(%#\\)?[^#]+\\)\\(#\\(.*\\)\\)?" path)
 108            (setq folder (match-string 1 path))
 109            (setq msgnum (match-string 4 path)))
 110           (t (error "Error in Mew link")))
 111    (require 'mew)
 112    (mew-window-push)
 113    (unless mew-init-p (mew-init))
 114    (mew-summary-visit-folder folder)
 115    (when msgnum
 116      (if (not (string-match "\\`[0-9]+\\'" msgnum))
 117           (let* ((pattern (concat "message-id=" msgnum))
 118                  (msgs (mew-summary-pick-with-mewl pattern folder nil)))
 119             (setq msgnum (car msgs))))
 120      (if (mew-summary-search-msg msgnum)
 121           (if mew-summary-goto-line-then-display
 122               (mew-summary-display))
 123         (error "Message not found")))))
 124
 125 (provide 'org-mew)
 126
 127 ;;; org-mew.el ends here