mirror of
https://git.savannah.gnu.org/git/emacs/org-mode.git
synced 2024-08-21 20:48:39 +00:00
177 lines
6.5 KiB
EmacsLisp
177 lines
6.5 KiB
EmacsLisp
;;; 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>
|
|
;; Tassilo Horn <tassilo at member dot fsf dot org>
|
|
;; Keywords: outlines, hypermedia, calendar, wp
|
|
;; Homepage: http://orgmode.org
|
|
;; Version: 6.13pre03
|
|
;;
|
|
;; 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
|
|
|
|
(when (fboundp 'defvaralias)
|
|
(defvaralias 'org-usenet-links-prefer-google 'org-gnus-prefer-web-links
|
|
"Deprecated name for `org-gnus-prefer-web-links'."))
|
|
|
|
(defcustom org-gnus-prefer-web-links 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-group-link (group)
|
|
"Create a link to the Gnus group GROUP.
|
|
If GROUP is a newsgroup and `org-gnus-prefer-web-links' is
|
|
non-nil, create a link to groups.google.com or gmane.org.
|
|
Otherwise create a link to the group inside Gnus.
|
|
|
|
If `org-store-link' was called with a prefix arg the meaning of
|
|
`org-gnus-prefer-web-links' is reversed."
|
|
(let ((unprefixed-group (replace-regexp-in-string "^[^:]+:" "" group)))
|
|
(if (and (string-match "^nntp" group) ;; Only for nntp groups
|
|
(org-xor current-prefix-arg
|
|
org-gnus-prefer-web-links))
|
|
(concat (if (string-match "gmane" unprefixed-group)
|
|
"http://news.gmane.org/"
|
|
"http://groups.google.com/group/")
|
|
unprefixed-group)
|
|
(concat "gnus:" group))))
|
|
|
|
(defun org-gnus-article-link (group newsgroups message-id x-no-archive)
|
|
"Create a link to a Gnus article.
|
|
The article is specified by its MESSAGE-ID. Additional
|
|
parameters are the Gnus GROUP, the NEWSGROUPS the article was
|
|
posted to and the X-NO-ARCHIVE header value of that article.
|
|
|
|
If GROUP is a newsgroup and `org-gnus-prefer-web-links' is
|
|
non-nil, create a link to groups.google.com or gmane.org.
|
|
Otherwise create a link to the article inside Gnus.
|
|
|
|
If `org-store-link' was called with a prefix arg the meaning of
|
|
`org-gnus-prefer-web-links' is reversed."
|
|
(if (and (org-xor current-prefix-arg org-gnus-prefer-web-links)
|
|
newsgroups ;; Make web links only for nntp groups
|
|
(not x-no-archive)) ;; and if X-No-Archive isn't set.
|
|
(format (if (string-match "gmane\\." newsgroups)
|
|
"http://mid.gmane.org/%s"
|
|
"http://groups.google.com/groups/search?as_umsgid=%s")
|
|
(org-fixup-message-id-for-http
|
|
(replace-regexp-in-string "[<>]" "" message-id)))
|
|
(org-make-link "gnus:" group "#" message-id)))
|
|
|
|
(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 (org-gnus-group-link 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-summary-mode) (gnus-summary-show-article))
|
|
(let* ((group gnus-newsgroup-name)
|
|
(header (with-current-buffer gnus-article-buffer
|
|
(gnus-summary-toggle-header 1)
|
|
(goto-char (point-min))
|
|
(mail-header-extract-no-properties)))
|
|
(from (mail-header 'from header))
|
|
(message-id (mail-header 'message-id header))
|
|
(date (mail-header 'date header))
|
|
(to (mail-header 'to header))
|
|
(newsgroups (mail-header 'newsgroups header))
|
|
(x-no-archive (mail-header 'x-no-archive header))
|
|
(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)
|
|
link (org-gnus-article-link group newsgroups message-id x-no-archive))
|
|
(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
|
|
(if (string-match "[^0-9]" article)
|
|
article
|
|
(string-to-number article))
|
|
nil t))
|
|
(group (gnus-group-jump-to-group group))))
|
|
|
|
(defun org-gnus-no-new-news ()
|
|
"Like `M-x gnus' but doesn't check for new news."
|
|
(if (not (gnus-alive-p)) (gnus)))
|
|
|
|
(provide 'org-gnus)
|
|
|
|
;; arch-tag: 512e0840-58fa-45b3-b456-71e10fa2376d
|
|
|
|
;;; org-gnus.el ends here
|