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;;; org-gnus.el --- Support for links to Gnus groups and messages from within Org-mode
;; Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Carsten Dominik <carsten at orgmode dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;; Version: 6.10c
;;
;; 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 Gnus groups and 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)
(eval-when-compile
(require 'gnus-sum))
;; Customization variables
(defcustom org-usenet-links-prefer-google nil
"Non-nil means, `org-store-link' will create web links to Google groups.
When nil, Gnus will be used for such links.
Using a prefix arg to the command \\[org-store-link] (`org-store-link')
negates this setting for the duration of the command."
:group 'org-link-store
:type 'boolean)
;; Declare external functions and variables
(declare-function gnus-article-show-summary "gnus-art" ())
(declare-function gnus-summary-last-subject "gnus-sum" ())
(defvar gnus-other-frame-object)
(defvar gnus-group-name)
(defvar gnus-article-current)
;; Install the link type
(org-add-link-type "gnus" 'org-gnus-open)
(add-hook 'org-store-link-functions 'org-gnus-store-link)
;; Implementation
(defun org-gnus-store-link ()
"Store a link to a Gnus folder or message."
(cond
((eq major-mode 'gnus-group-mode)
(let ((group (cond ((fboundp 'gnus-group-group-name) ; depending on Gnus
(gnus-group-group-name)) ; version
((fboundp 'gnus-group-name)
(gnus-group-name))
(t "???")))
desc link)
(unless group (error "Not on a group"))
(org-store-link-props :type "gnus" :group group)
(setq desc (concat
(if (org-xor current-prefix-arg
org-usenet-links-prefer-google)
"http://groups.google.com/groups?group="
"gnus:")
group)
link (org-make-link desc))
(org-add-link-props :link link :description desc)
link))
((memq major-mode '(gnus-summary-mode gnus-article-mode))
(and (eq major-mode 'gnus-article-mode) (gnus-article-show-summary))
(let* ((group gnus-newsgroup-name)
(article (gnus-summary-article-number))
(header (gnus-summary-article-header article))
(from (mail-header-from header))
(message-id (mail-header-id header))
(date (mail-header-date header))
(extra (mail-header-extra header))
(to (cdr (assoc 'To extra)))
(subject (gnus-summary-subject-string))
desc link)
(org-store-link-props :type "gnus" :from from :subject subject
:message-id message-id :group group :to to)
(setq desc (org-email-link-description))
(if (org-xor current-prefix-arg org-usenet-links-prefer-google)
(setq link
(concat
desc "\n "
(format "http://groups.google.com/groups?as_umsgid=%s"
(org-fixup-message-id-for-http message-id))))
(setq link (org-make-link "gnus:" group
"#" (number-to-string article))))
(org-add-link-props :link link :description desc)
link))))
(defun org-gnus-open (path)
"Follow the Gnus message or folder link specified by PATH."
(let (group article)
(if (not (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path))
(error "Error in Gnus link"))
(setq group (match-string 1 path)
article (match-string 3 path))
(org-gnus-follow-link group article)))
(defun org-gnus-follow-link (&optional group article)
"Follow a Gnus link to GROUP and ARTICLE."
(require 'gnus)
(funcall (cdr (assq 'gnus org-link-frame-setup)))
(if gnus-other-frame-object (select-frame gnus-other-frame-object))
(cond ((and group article)
(gnus-group-read-group 1 nil group)
(gnus-summary-goto-article (string-to-number article) nil t))
(group (gnus-group-jump-to-group group))))
(provide 'org-gnus)
;; arch-tag: 512e0840-58fa-45b3-b456-71e10fa2376d
;;; org-gnus.el ends here
|
