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emacs/lisp/org/org-gnus.el
Carsten Dominik 5dec95551d 2009-11-20 Carsten Dominik <carsten.dominik@gmail.com>
* org-agenda.el (org-agenda-diary-entry-in-org-file): Rebuild
	agenda after adding new entry.

	* org-datetree.el (org-datetree-find-day-create): Fix regular
	expression.

	* org.el (org-display-outline-path): Use a format specifier for
	message, to avoid problems with heading containing `%'.

	* org-agenda.el (org-agenda-hide-tags-regexp): New option.
	(org-format-agenda-item): Call `org-agenda-fix-displayed-tags'.
	(org-agenda-fix-displayed-tags): New function.
	(org-agenda-do-context-action): Just call
	`org-display-outline-path', without piping the result through
	`message'.

	* org-latex.el (org-export-latex-preprocess): Protect secondary
	footnote references.

	* org-indent.el (org-indent-initialize): Avoid empty strings as
	line prefixes.

	* org-agenda.el (org-agenda-diary-entry-in-org-file): Make sure
	hat checking for the mark does not throw an error.
	(org-agenda-diary-entry-in-org-file): Catch the case that there is
	not `day' text property in the cursor line.

	* org.el (org-sort-entries-or-items): Make sure that the final
	entry has a newline before doing the sorting.

	* org-agenda.el (org-agenda-diary-entry-in-org-file): Get the text
	property at the beginning of the line.

	* org.el (org-make-link-string): Don't allow a description with
	only white space.

	* org-agenda.el (org-agenda-insert-diary-strategy): New variable.
	(org-agenda-insert-diary-as-top-level): New function.
	(org-agenda-add-entry-to-org-agenda-diary-file): Call
	`org-agenda-insert-diary-as-top-level'.

	* org.el (org-occur-in-agenda-files): Make sure none of the
	buffers is narrowed.
	(org-activate-plain-links): Add the face property here.
	(org-set-font-lock-defaults): Do not add the face to plain links,
	the activator function does this.

	* org-habit.el (org-is-habit-p): Add doc string.

	* org-archive.el (org-archive-subtree-default-with-confirmation):
	Autoload.

	* org-latex.el (org-export-latex-fontify): Fix regexp to make char
	after match optional (happens at the end of a line...).

	* org.el (org-fontify-meta-lines-and-blocks): Apply special faces
	for special blocks.

	* org-faces.el (org-copy-face): Set lisp indentation.
	(org-quote, org-verse): New faces.

	* org-agenda.el (org-agenda-remove-date): Remove variable.

	* org-freemind.el (org-freemind-escape-str-from-org): Fix encoding.

	* org-html.el (org-export-as-html): Move the home/up link into
	the content div.

	* org.el (org-export-latex-packages-alist): Option definition
	moved here from org-latex.el.

	* org-html.el (org-export-html-home/up-format): Add an ID to the
	up/home div.

	* org-wl.el (org-wl-store-link): Handle the case that
	`wl-use-petname' is set.

	* org.el (org-set-effort): Improve prompt.
	(org-get-outline-path): Widen to get full path.
	(org-compact-display-after-subtree-move): Function removed.

2009-11-20  Eric Schulte  <schulte.eric@gmail.com>

	* org-exp-blocks.el (org-export-blocks-format-ditaa): Use sha1
	hash keys to cache and re-use images generated by the
	org-exp-blocks interface to ditaa and dot.

	* org.el (org-format-latex): Latex images are now saved to files
	named by the sha1 hash of the latex source text avoiding
	regeneration of identical images.
2009-11-20 20:54:05 +00:00

197 lines
7.5 KiB
EmacsLisp

;;; org-gnus.el --- Support for links to Gnus groups and messages from within Org-mode
;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
;; 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: 6.33x
;;
;; 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))
;; Declare external functions and variables
(declare-function message-fetch-field "message" (header &optional not-all))
(declare-function message-narrow-to-head-1 "message" nil)
;; The following line suppresses a compiler warning stemming from gnus-sum.el
(declare-function gnus-summary-last-subject "gnus-sum" nil)
;; Customization variables
(when (fboundp 'defvaralias)
(defvaralias 'org-usenet-links-prefer-google '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)
;; 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))
(org-make-link (if (string-match "gmane" unprefixed-group)
"http://news.gmane.org/"
"http://groups.google.com/group/")
unprefixed-group)
(org-make-link "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 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)
(when group
(org-store-link-props :type "gnus" :group group)
(setq desc (org-gnus-group-link group)
link desc)
(org-add-link-props :link link :description desc)
link)))
((memq major-mode '(gnus-summary-mode gnus-article-mode))
(let* ((group gnus-newsgroup-name)
(header (with-current-buffer gnus-summary-buffer
(gnus-summary-article-header)))
(from (mail-header-from header))
(message-id (org-remove-angle-brackets (mail-header-id header)))
(date (mail-header-date header))
(subject (mail-header-subject header))
(to (cdr (assq 'To (mail-header-extra header))))
newsgroups x-no-archive desc link)
;; Fetching an article is an expensive operation; newsgroup and
;; x-no-archive are only needed for web links.
(when (org-xor current-prefix-arg org-gnus-prefer-web-links)
;; Make sure the original article buffer is up-to-date
(save-window-excursion (gnus-summary-select-article))
(setq to (or to (gnus-fetch-original-field "To"))
newsgroups (gnus-fetch-original-field "Newsgroups")
x-no-archive (gnus-fetch-original-field "x-no-archive")))
(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))
(when group
(setq group (org-substring-no-properties group)))
(when article
(setq article (org-substring-no-properties article)))
(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))
(when group
(setq group (org-substring-no-properties group)))
(when article
(setq article (org-substring-no-properties article)))
(cond ((and group article)
(gnus-activate-group group t)
(condition-case nil
(let ((articles 1)
group-opened)
(while (and (not group-opened)
;; stop on integer overflows
(> articles 0))
(setq group-opened (gnus-group-read-group articles nil group)
articles (if (< articles 16)
(1+ articles)
(* articles 2))))
(if group-opened
(gnus-summary-goto-article article nil t)
(message "Couldn't follow gnus link. %s"
"The summary couldn't be opened.")))
(quit (message "Couldn't follow gnus link. %s"
"The linked group is empty."))))
(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