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emacs/lisp/org/org-mew.el
2011-08-18 16:41:06 -04:00

141 lines
5.3 KiB
EmacsLisp

;;; org-mew.el --- Support for links to Mew messages from within Org-mode
;; Copyright (C) 2008-2011 Free Software Foundation, Inc.
;; Author: Tokuya Kameshima <kames at fa2 dot so-net dot ne dot jp>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;; Version: 7.7
;; 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 Mew 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-mew nil
"Options concerning the Mew link."
:tag "Org Startup"
:group 'org-link)
(defcustom org-mew-link-to-refile-destination t
"Create a link to the refile destination if the message is marked as refile."
:group 'org-mew
:type 'boolean)
;; Declare external functions and variables
(declare-function mew-cache-hit "ext:mew-cache" (fld msg &optional must-hit))
(declare-function mew-case-folder "ext:mew-func" (case folder))
(declare-function mew-header-get-value "ext:mew-header"
(field &optional as-list))
(declare-function mew-init "ext:mew" ())
(declare-function mew-refile-get "ext:mew-refile" (msg))
(declare-function mew-sinfo-get-case "ext:mew-summary" ())
(declare-function mew-summary-display "ext:mew-summary2" (&optional redisplay))
(declare-function mew-summary-folder-name "ext:mew-syntax" (&optional ext))
(declare-function mew-summary-get-mark "ext:mew-mark" ())
(declare-function mew-summary-message-number2 "ext:mew-syntax" ())
(declare-function mew-summary-pick-with-mewl "ext:mew-pick"
(pattern folder src-msgs))
(declare-function mew-summary-search-msg "ext:mew-const" (msg))
(declare-function mew-summary-set-message-buffer "ext:mew-summary3" (fld msg))
(declare-function mew-summary-visit-folder "ext:mew-summary4"
(folder &optional goend no-ls))
(declare-function mew-window-push "ext:mew" ())
(defvar mew-init-p)
(defvar mew-summary-goto-line-then-display)
;; Install the link type
(org-add-link-type "mew" 'org-mew-open)
(add-hook 'org-store-link-functions 'org-mew-store-link)
;; Implementation
(defun org-mew-store-link ()
"Store a link to a Mew folder or message."
(when (memq major-mode '(mew-summary-mode mew-virtual-mode))
(let* ((msgnum (mew-summary-message-number2))
(mark-info (mew-summary-get-mark))
(folder-name
(if (and org-mew-link-to-refile-destination
(eq mark-info ?o)) ; marked as refile
(mew-case-folder (mew-sinfo-get-case)
(nth 1 (mew-refile-get msgnum)))
(mew-summary-folder-name)))
message-id from to subject desc link date date-ts date-ts-ia)
(save-window-excursion
(if (fboundp 'mew-summary-set-message-buffer)
(mew-summary-set-message-buffer folder-name msgnum)
(set-buffer (mew-cache-hit folder-name msgnum t)))
(setq message-id (mew-header-get-value "Message-Id:"))
(setq from (mew-header-get-value "From:"))
(setq to (mew-header-get-value "To:"))
(setq date (mew-header-get-value "Date:"))
(setq date-ts (and date (format-time-string
(org-time-stamp-format t)
(date-to-time date))))
(setq date-ts-ia (and date (format-time-string
(org-time-stamp-format t t)
(date-to-time date))))
(setq subject (mew-header-get-value "Subject:")))
(org-store-link-props :type "mew" :from from :to to
:subject subject :message-id message-id)
(when date
(org-add-link-props :date date :date-timestamp date-ts
:date-timestamp-inactive date-ts-ia))
(setq message-id (org-remove-angle-brackets message-id))
(setq desc (org-email-link-description))
(setq link (org-make-link "mew:" folder-name
"#" message-id))
(org-add-link-props :link link :description desc)
link)))
(defun org-mew-open (path)
"Follow the Mew message link specified by PATH."
(let (folder msgnum)
(cond ((string-match "\\`\\(+.*\\)+\\+\\([0-9]+\\)\\'" path) ; for Bastien's
(setq folder (match-string 1 path))
(setq msgnum (match-string 2 path)))
((string-match "\\`\\(\\(%#\\)?[^#]+\\)\\(#\\(.*\\)\\)?" path)
(setq folder (match-string 1 path))
(setq msgnum (match-string 4 path)))
(t (error "Error in Mew link")))
(require 'mew)
(mew-window-push)
(unless mew-init-p (mew-init))
(mew-summary-visit-folder folder)
(when msgnum
(if (not (string-match "\\`[0-9]+\\'" msgnum))
(let* ((pattern (concat "message-id=" msgnum))
(msgs (mew-summary-pick-with-mewl pattern folder nil)))
(setq msgnum (car msgs))))
(if (mew-summary-search-msg msgnum)
(if mew-summary-goto-line-then-display
(mew-summary-display))
(error "Message not found")))))
(provide 'org-mew)
;;; org-mew.el ends here