lisp/org-vm.el

   1 ;;; org-vm.el --- Support for links to VM messages from within Org-mode
   2
   3 ;; Copyright (C) 2004-2011 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 ;;
   9 ;; This file is part of GNU Emacs.
  10 ;;
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  24 ;;
  25 ;;; Commentary:
  26 ;; This file implements links to VM messages and folders from within Org-mode.
  27 ;; Org-mode loads this module by default - if this is not what you want,
  28 ;; configure the variable `org-modules'.
  29
  30 ;;; Code:
  31
  32 (require 'org)
  33
  34 ;; Declare external functions and variables
  35 (declare-function vm-preview-current-message "ext:vm-page" ())
  36 (declare-function vm-follow-summary-cursor "ext:vm-motion" ())
  37 (declare-function vm-get-header-contents "ext:vm-summary"
  38                   (message header-name-regexp &optional clump-sep))
  39 (declare-function vm-isearch-narrow "ext:vm-search" ())
  40 (declare-function vm-isearch-update "ext:vm-search" ())
  41 (declare-function vm-select-folder-buffer "ext:vm-macro" ())
  42 (declare-function vm-su-message-id "ext:vm-summary" (m))
  43 (declare-function vm-su-subject "ext:vm-summary" (m))
  44 (declare-function vm-summarize "ext:vm-summary" (&optional display raise))
  45 (defvar vm-message-pointer)
  46 (defvar vm-folder-directory)
  47
  48 ;; Install the link type
  49 (org-add-link-type "vm" 'org-vm-open)
  50 (add-hook 'org-store-link-functions 'org-vm-store-link)
  51
  52 ;; Implementation
  53 (defun org-vm-store-link ()
  54   "Store a link to a VM folder or message."
  55   (when (and (or (eq major-mode 'vm-summary-mode)
  56                  (eq major-mode 'vm-presentation-mode))
  57              (save-window-excursion
  58                (vm-select-folder-buffer) buffer-file-name))
  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              (date (vm-get-header-contents message "Date"))
  70              (date-ts (and date (format-time-string
  71                                  (org-time-stamp-format t)
  72                                  (date-to-time date))))
  73              (date-ts-ia (and date (format-time-string
  74                                     (org-time-stamp-format t t)
  75                                     (date-to-time date))))
  76              desc link)
  77         (org-store-link-props :type "vm" :from from :to to :subject subject
  78                               :message-id message-id)
  79         (when date
  80           (org-add-link-props :date date :date-timestamp date-ts
  81                               :date-timestamp-inactive date-ts-ia))
  82         (setq message-id (org-remove-angle-brackets message-id))
  83         (setq folder (abbreviate-file-name folder))
  84         (if (and vm-folder-directory
  85                  (string-match (concat "^" (regexp-quote vm-folder-directory))
  86                                folder))
  87             (setq folder (replace-match "" t t folder)))
  88         (setq desc (org-email-link-description))
  89         (setq link (org-make-link "vm:" folder "#" message-id))
  90         (org-add-link-props :link link :description desc)
  91         link))))
  92
  93 (defun org-vm-open (path)
  94   "Follow a VM message link specified by PATH."
  95   (let (folder article)
  96     (if (not (string-match "\\`\\([^#]+\\)\\(#\\(.*\\)\\)?" path))
  97         (error "Error in VM link"))
  98     (setq folder (match-string 1 path)
  99           article (match-string 3 path))
 100     ;; The prefix argument will be interpreted as read-only
 101     (org-vm-follow-link folder article current-prefix-arg)))
 102
 103 (defun org-vm-follow-link (&optional folder article readonly)
 104   "Follow a VM link to FOLDER and ARTICLE."
 105   (require 'vm)
 106   (setq article (org-add-angle-brackets article))
 107   (if (string-match "^//\\([a-zA-Z]+@\\)?\\([^:]+\\):\\(.*\\)" folder)
 108       ;; ange-ftp or efs or tramp access
 109       (let ((user (or (match-string 1 folder) (user-login-name)))
 110             (host (match-string 2 folder))
 111             (file (match-string 3 folder)))
 112         (cond
 113          ((featurep 'tramp)
 114           ;; use tramp to access the file
 115           (if (featurep 'xemacs)
 116               (setq folder (format "[%s@%s]%s" user host file))
 117             (setq folder (format "/%s@%s:%s" user host file))))
 118          (t
 119           ;; use ange-ftp or efs
 120           (require (if (featurep 'xemacs) 'efs 'ange-ftp))
 121           (setq folder (format "/%s@%s:%s" user host file))))))
 122   (when folder
 123     (funcall (cdr (assq 'vm org-link-frame-setup)) folder readonly)
 124     (sit-for 0.1)
 125     (when article
 126       (require 'vm-search)
 127       (vm-select-folder-buffer)
 128       (widen)
 129       (let ((case-fold-search t))
 130         (goto-char (point-min))
 131         (if (not (re-search-forward
 132                   (concat "^" "message-id: *" (regexp-quote article))))
 133             (error "Could not find the specified message in this folder"))
 134         (vm-isearch-update)
 135         (vm-isearch-narrow)
 136         (vm-preview-current-message)
 137         (vm-summarize)))))
 138
 139 (provide 'org-vm)
 140
 141 ;;; org-vm.el ends here