lisp/org-rmail.el

   1 ;;; org-rmail.el --- Support for links to Rmail messages from within Org-mode
   2
   3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   4
   5 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   6 ;; Keywords: outlines, hypermedia, calendar, wp
   7 ;; Homepage: http://orgmode.org
   8 ;; Version: 6.02pre-04
   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 Rmail 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 ;; Declare external functions and variables
  39 (declare-function rmail-narrow-to-non-pruned-header "rmail" ())
  40 (declare-function rmail-show-message "rmail" (&optional n no-summary))
  41 (declare-function rmail-what-message "rmail" ())
  42 (defvar rmail-current-message)
  43
  44 ;; Install the link type
  45 (org-add-link-type "rmail" 'org-rmail-open)
  46 (add-hook 'org-store-link-functions 'org-rmail-store-link)
  47
  48 ;; Implementation
  49 (defun org-rmail-store-link ()
  50   "Store a link to an Rmail folder or message."
  51   (when (or (eq major-mode 'rmail-mode)
  52             (eq major-mode 'rmail-summary-mode))
  53     (save-window-excursion
  54       (save-restriction
  55         (when (eq major-mode 'rmail-summary-mode)
  56           (rmail-show-message rmail-current-message))
  57         (rmail-narrow-to-non-pruned-header)
  58         (let* ((folder buffer-file-name)
  59                (message-id (mail-fetch-field "message-id"))
  60                (from (mail-fetch-field "from"))
  61                (to (mail-fetch-field "to"))
  62                (subject (mail-fetch-field "subject"))
  63                desc link)
  64           (org-store-link-props
  65            :type "rmail" :from from :to to
  66            :subject subject :message-id message-id)
  67           (setq message-id (org-remove-angle-brackets message-id))
  68           (setq desc (org-email-link-description))
  69           (setq link (org-make-link "rmail:" folder "#" message-id))
  70           (org-add-link-props :link link :description desc)
  71           (rmail-show-message rmail-current-message)
  72           link)))))
  73
  74 (defun org-rmail-open (path)
  75   "Follow an Rmail message link to the specified PATH."
  76   (let (folder article)
  77     (if (not (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path))
  78         (error "Error in Rmail link"))
  79     (setq folder (match-string 1 path)
  80           article (match-string 3 path))
  81     (org-rmail-follow-link folder article)))
  82
  83 (defun org-rmail-follow-link (folder article)
  84   "Follow an Rmail link to FOLDER and ARTICLE."
  85   (require 'rmail)
  86   (setq article (org-add-angle-brackets article))
  87   (let (message-number)
  88     (save-excursion
  89       (save-window-excursion
  90         (rmail (if (string= folder "RMAIL") rmail-file-name folder))
  91         (setq message-number
  92               (save-restriction
  93                 (widen)
  94                 (goto-char (point-max))
  95                 (if (re-search-backward
  96                      (concat "^Message-ID:\\s-+" (regexp-quote
  97                                                   (or article "")))
  98                      nil t)
  99                     (rmail-what-message))))))
 100     (if message-number
 101         (progn
 102           (rmail (if (string= folder "RMAIL") rmail-file-name folder))
 103           (rmail-show-message message-number)
 104           message-number)
 105       (error "Message not found"))))
 106
 107 (provide 'org-rmail)
 108
 109 ;;; org-rmail.el ends here