org-vm.el

   1 ;;; org-vm.el - Support for links to VM messages in 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: 1.0
   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
  30 ;; This file implements links to VM messages and folders for Org-mode.
  31 ;; Org-mode loads this module by default - if this is not what you want,
  32 ;; configure the variable `org-modules'.
  33
  34 (require 'org)
  35
  36 ;; Declare external functions and variables
  37 (declare-function vm-beginning-of-message "ext:vm-page" ())
  38 (declare-function vm-follow-summary-cursor "ext:vm-motion" ())
  39 (declare-function vm-get-header-contents "ext:vm-summary"
  40                   (message header-name-regexp &optional clump-sep))
  41 (declare-function vm-isearch-narrow "ext:vm-search" ())
  42 (declare-function vm-isearch-update "ext:vm-search" ())
  43 (declare-function vm-select-folder-buffer "ext:vm-macro" ())
  44 (declare-function vm-su-message-id "ext:vm-summary" (m))
  45 (declare-function vm-su-subject "ext:vm-summary" (m))
  46 (declare-function vm-summarize "ext:vm-summary" (&optional display raise))
  47 (defvar vm-message-pointer)
  48 (defvar vm-folder-directory)
  49
  50 ;; Install the link type
  51 (org-add-link-type "vm" 'org-vm-open)
  52 (add-hook 'org-store-link-functions 'org-vm-store-link)
  53
  54 ;; Implementation
  55 (defun org-vm-store-link ()
  56   "Store a link to an VM folder or message."
  57   (when (or (eq major-mode 'vm-summary-mode)
  58             (eq major-mode 'vm-presentation-mode))
  59     (and (eq major-mode 'vm-presentation-mode) (vm-summarize))
  60     (vm-follow-summary-cursor)
  61     (save-excursion
  62       (vm-select-folder-buffer)
  63       (let* ((message (car vm-message-pointer))
  64              (folder buffer-file-name)
  65              (subject (vm-su-subject message))
  66              (to (vm-get-header-contents message "To"))
  67              (from (vm-get-header-contents message "From"))
  68              (message-id (vm-su-message-id message))
  69              desc link)
  70         (org-store-link-props :type "vm" :from from :to to :subject subject
  71                               :message-id message-id)
  72         (setq message-id (org-remove-angle-brackets message-id))
  73         (setq folder (abbreviate-file-name folder))
  74         (if (string-match (concat "^" (regexp-quote vm-folder-directory))
  75                           folder)
  76             (setq folder (replace-match "" t t folder)))
  77         (setq desc (org-email-link-description))
  78         (setq link (org-make-link "vm:" folder "#" message-id))
  79         (org-add-link-props :link link :description desc)))))
  80
  81 (defun org-vm-open (path)
  82   "Follow an VM message link."
  83   (let (folder article)
  84     (if (not (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path))
  85         (error "Error in VM link"))
  86     (setq folder (match-string 1 path)
  87           article (match-string 3 path))
  88     ;; The prefix arguemtn will be interpreted as read-only
  89     (org-vm-follow-link folder article current-prefix-arg)))
  90
  91 (defun org-vm-follow-link (&optional folder article readonly)
  92   "Follow a VM link to FOLDER and ARTICLE."
  93   (require 'vm)
  94   (setq article (org-add-angle-brackets article))
  95   (if (string-match "^//\\([a-zA-Z]+@\\)?\\([^:]+\\):\\(.*\\)" folder)
  96       ;; ange-ftp or efs or tramp access
  97       (let ((user (or (match-string 1 folder) (user-login-name)))
  98             (host (match-string 2 folder))
  99             (file (match-string 3 folder)))
 100         (cond
 101          ((featurep 'tramp)
 102           ;; use tramp to access the file
 103           (if (featurep 'xemacs)
 104               (setq folder (format "[%s@%s]%s" user host file))
 105             (setq folder (format "/%s@%s:%s" user host file))))
 106          (t
 107           ;; use ange-ftp or efs
 108           (require (if (featurep 'xemacs) 'efs 'ange-ftp))
 109           (setq folder (format "/%s@%s:%s" user host file))))))
 110   (when folder
 111     (funcall (cdr (assq 'vm org-link-frame-setup)) folder readonly)
 112     (sit-for 0.1)
 113     (when article
 114       (vm-select-folder-buffer)
 115       (widen)
 116       (let ((case-fold-search t))
 117         (goto-char (point-min))
 118         (if (not (re-search-forward
 119                   (concat "^" "message-id: *" (regexp-quote article))))
 120             (error "Could not find the specified message in this folder"))
 121         (vm-isearch-update)
 122         (vm-isearch-narrow)
 123         (vm-beginning-of-message)
 124         (vm-summarize)))))
 125
 126 (provide 'org-vm)
 127
 128 ;;; org-vm.el ends here