lisp/org-vm.el

   1 ;;; org-vm.el --- Support for links to VM messages from within Org-mode
   2
   3 ;; Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   4
   5 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   6 ;; Keywords: outlines, hypermedia, calendar, wp
   7 ;; Homepage: http://orgmode.org
   8 ;; Version: 6.00pre-1
   9 ;;
  10 ;; This file is part of GNU Emacs.
  11 ;;
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 3, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  25 ;; Boston, MA 02110-1301, USA.
  26 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  27 ;;
  28 ;;; Commentary:
  29 ;; This file implements links to VM messages and folders from within Org-mode.
  30 ;; Org-mode loads this module by default - if this is not what you want,
  31 ;; configure the variable `org-modules'.
  32
  33 ;;; Code:
  34
  35 (require 'org)
  36
  37 ;; Declare external functions and variables
  38 (declare-function vm-beginning-of-message "ext:vm-page" ())
  39 (declare-function vm-follow-summary-cursor "ext:vm-motion" ())
  40 (declare-function vm-get-header-contents "ext:vm-summary"
  41                   (message header-name-regexp &optional clump-sep))
  42 (declare-function vm-isearch-narrow "ext:vm-search" ())
  43 (declare-function vm-isearch-update "ext:vm-search" ())
  44 (declare-function vm-select-folder-buffer "ext:vm-macro" ())
  45 (declare-function vm-su-message-id "ext:vm-summary" (m))
  46 (declare-function vm-su-subject "ext:vm-summary" (m))
  47 (declare-function vm-summarize "ext:vm-summary" (&optional display raise))
  48 (defvar vm-message-pointer)
  49 (defvar vm-folder-directory)
  50
  51 ;; Install the link type
  52 (org-add-link-type "vm" 'org-vm-open)
  53 (add-hook 'org-store-link-functions 'org-vm-store-link)
  54
  55 ;; Implementation
  56 (defun org-vm-store-link ()
  57   "Store a link to a VM folder or message."
  58   (when (or (eq major-mode 'vm-summary-mode)
  59             (eq major-mode 'vm-presentation-mode))
  60     (and (eq major-mode 'vm-presentation-mode) (vm-summarize))
  61     (vm-follow-summary-cursor)
  62     (save-excursion
  63       (vm-select-folder-buffer)
  64       (let* ((message (car vm-message-pointer))
  65              (folder buffer-file-name)
  66              (subject (vm-su-subject message))
  67              (to (vm-get-header-contents message "To"))
  68              (from (vm-get-header-contents message "From"))
  69              (message-id (vm-su-message-id message))
  70              desc link)
  71         (org-store-link-props :type "vm" :from from :to to :subject subject
  72                               :message-id message-id)
  73         (setq message-id (org-remove-angle-brackets message-id))
  74         (setq folder (abbreviate-file-name folder))
  75         (if (string-match (concat "^" (regexp-quote vm-folder-directory))
  76                           folder)
  77             (setq folder (replace-match "" t t folder)))
  78         (setq desc (org-email-link-description))
  79         (setq link (org-make-link "vm:" folder "#" message-id))
  80         (org-add-link-props :link link :description desc)
  81         link))))
  82
  83 (defun org-vm-open (path)
  84   "Follow a VM message link specified by PATH."
  85   (let (folder article)
  86     (if (not (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path))
  87         (error "Error in VM link"))
  88     (setq folder (match-string 1 path)
  89           article (match-string 3 path))
  90     ;; The prefix argument will be interpreted as read-only
  91     (org-vm-follow-link folder article current-prefix-arg)))
  92
  93 (defun org-vm-follow-link (&optional folder article readonly)
  94   "Follow a VM link to FOLDER and ARTICLE."
  95   (require 'vm)
  96   (setq article (org-add-angle-brackets article))
  97   (if (string-match "^//\\([a-zA-Z]+@\\)?\\([^:]+\\):\\(.*\\)" folder)
  98       ;; ange-ftp or efs or tramp access
  99       (let ((user (or (match-string 1 folder) (user-login-name)))
 100             (host (match-string 2 folder))
 101             (file (match-string 3 folder)))
 102         (cond
 103          ((featurep 'tramp)
 104           ;; use tramp to access the file
 105           (if (featurep 'xemacs)
 106               (setq folder (format "[%s@%s]%s" user host file))
 107             (setq folder (format "/%s@%s:%s" user host file))))
 108          (t
 109           ;; use ange-ftp or efs
 110           (require (if (featurep 'xemacs) 'efs 'ange-ftp))
 111           (setq folder (format "/%s@%s:%s" user host file))))))
 112   (when folder
 113     (funcall (cdr (assq 'vm org-link-frame-setup)) folder readonly)
 114     (sit-for 0.1)
 115     (when article
 116       (vm-select-folder-buffer)
 117       (widen)
 118       (let ((case-fold-search t))
 119         (goto-char (point-min))
 120         (if (not (re-search-forward
 121                   (concat "^" "message-id: *" (regexp-quote article))))
 122             (error "Could not find the specified message in this folder"))
 123         (vm-isearch-update)
 124         (vm-isearch-narrow)
 125         (vm-beginning-of-message)
 126         (vm-summarize)))))
 127
 128 (provide 'org-vm)
 129
 130 ;;; org-vm.el ends here