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org-mode/org-vm.el
Carsten Dominik 43eee81b3a Moved most of the linking code to separate files.
This files are stil all loaded automatically, but the user can turn
individual files off.  Also, this makes maintaining the link
stuff easier, because everything related to a specific link type
is in one place.
2008-03-15 08:33:31 +01:00

129 lines
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EmacsLisp

;;; org-vm.el - Support for links to VM messages in 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: 1.0
;;
;; 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, 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Commentary:
;; This file implements links to VM messages and folders for Org-mode.
;; Org-mode loads this module by default - if this is not what you want,
;; configure the variable `org-modules'.
(require 'org)
;; Declare external functions and variables
(declare-function vm-beginning-of-message "ext:vm-page" ())
(declare-function vm-follow-summary-cursor "ext:vm-motion" ())
(declare-function vm-get-header-contents "ext:vm-summary"
(message header-name-regexp &optional clump-sep))
(declare-function vm-isearch-narrow "ext:vm-search" ())
(declare-function vm-isearch-update "ext:vm-search" ())
(declare-function vm-select-folder-buffer "ext:vm-macro" ())
(declare-function vm-su-message-id "ext:vm-summary" (m))
(declare-function vm-su-subject "ext:vm-summary" (m))
(declare-function vm-summarize "ext:vm-summary" (&optional display raise))
(defvar vm-message-pointer)
(defvar vm-folder-directory)
;; Install the link type
(org-add-link-type "vm" 'org-vm-open)
(add-hook 'org-store-link-functions 'org-vm-store-link)
;; Implementation
(defun org-vm-store-link ()
"Store a link to an VM folder or message."
(when (or (eq major-mode 'vm-summary-mode)
(eq major-mode 'vm-presentation-mode))
(and (eq major-mode 'vm-presentation-mode) (vm-summarize))
(vm-follow-summary-cursor)
(save-excursion
(vm-select-folder-buffer)
(let* ((message (car vm-message-pointer))
(folder buffer-file-name)
(subject (vm-su-subject message))
(to (vm-get-header-contents message "To"))
(from (vm-get-header-contents message "From"))
(message-id (vm-su-message-id message))
desc link)
(org-store-link-props :type "vm" :from from :to to :subject subject
:message-id message-id)
(setq message-id (org-remove-angle-brackets message-id))
(setq folder (abbreviate-file-name folder))
(if (string-match (concat "^" (regexp-quote vm-folder-directory))
folder)
(setq folder (replace-match "" t t folder)))
(setq desc (org-email-link-description))
(setq link (org-make-link "vm:" folder "#" message-id))
(org-add-link-props :link link :description desc)))))
(defun org-vm-open (path)
"Follow an VM message link."
(let (folder article)
(if (not (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path))
(error "Error in VM link"))
(setq folder (match-string 1 path)
article (match-string 3 path))
;; The prefix arguemtn will be interpreted as read-only
(org-vm-follow-link folder article current-prefix-arg)))
(defun org-vm-follow-link (&optional folder article readonly)
"Follow a VM link to FOLDER and ARTICLE."
(require 'vm)
(setq article (org-add-angle-brackets article))
(if (string-match "^//\\([a-zA-Z]+@\\)?\\([^:]+\\):\\(.*\\)" folder)
;; ange-ftp or efs or tramp access
(let ((user (or (match-string 1 folder) (user-login-name)))
(host (match-string 2 folder))
(file (match-string 3 folder)))
(cond
((featurep 'tramp)
;; use tramp to access the file
(if (featurep 'xemacs)
(setq folder (format "[%s@%s]%s" user host file))
(setq folder (format "/%s@%s:%s" user host file))))
(t
;; use ange-ftp or efs
(require (if (featurep 'xemacs) 'efs 'ange-ftp))
(setq folder (format "/%s@%s:%s" user host file))))))
(when folder
(funcall (cdr (assq 'vm org-link-frame-setup)) folder readonly)
(sit-for 0.1)
(when article
(vm-select-folder-buffer)
(widen)
(let ((case-fold-search t))
(goto-char (point-min))
(if (not (re-search-forward
(concat "^" "message-id: *" (regexp-quote article))))
(error "Could not find the specified message in this folder"))
(vm-isearch-update)
(vm-isearch-narrow)
(vm-beginning-of-message)
(vm-summarize)))))
(provide 'org-vm)
;;; org-vm.el ends here