;;; org-vm.el --- Support for links to VM messages from within Org-mode
;; Copyright (C) 2004-2014 Free Software Foundation, Inc.
;; Author: Carsten Dominik <carsten at orgmode dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;;
;; Support for IMAP folders added
;; by Konrad Hinsen <konrad dot hinsen at fastmail dot net>
;; Requires VM 8.2.0a or later.
;;
;; This file is not part of GNU Emacs.
;;
;; This program 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.
;; This program 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 VM messages and folders 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)
;; Declare external functions and variables
(declare-function vm-preview-current-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))
(declare-function vm-imap-folder-p "ext:vm-save" ())
(declare-function vm-imap-find-spec-for-buffer "ext:vm-imap" (buffer))
(declare-function vm-imap-folder-for-spec "ext:vm-imap" (spec))
(declare-function vm-imap-parse-spec-to-list "ext:vm-imap" (spec))
(declare-function vm-imap-spec-for-account "ext:vm-imap" (account))
(defvar vm-message-pointer)
(defvar vm-folder-directory)
;; Install the link type
(org-add-link-type "vm" 'org-vm-open)
(org-add-link-type "vm-imap" 'org-vm-imap-open)
(add-hook 'org-store-link-functions 'org-vm-store-link)
;; Implementation
(defun org-vm-store-link ()
"Store a link to a VM folder or message."
(when (and (or (eq major-mode 'vm-summary-mode)
(eq major-mode 'vm-presentation-mode))
(save-window-excursion
(vm-select-folder-buffer) buffer-file-name))
(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))
(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))
(link-type (if (vm-imap-folder-p) "vm-imap" "vm"))
(date (vm-get-header-contents message "Date"))
(date-ts (and date (format-time-string
(org-time-stamp-format t)
(date-to-time date))))
(date-ts-ia (and date (format-time-string
(org-time-stamp-format t t)
(date-to-time date))))
folder desc link)
(if (vm-imap-folder-p)
(let ((spec (vm-imap-find-spec-for-buffer (current-buffer))))
(setq folder (vm-imap-folder-for-spec spec)))
(progn
(setq folder (abbreviate-file-name buffer-file-name))
(if (and vm-folder-directory
(string-match (concat "^" (regexp-quote vm-folder-directory))
folder))
(setq folder (replace-match "" t t folder)))))
(setq message-id (org-remove-angle-brackets message-id))
(org-store-link-props :type link-type :from from :to to :subject subject
:message-id message-id)
(when date
(org-add-link-props :date date :date-timestamp date-ts
:date-timestamp-inactive date-ts-ia))
(setq desc (org-email-link-description))
(setq link (concat (concat link-type ":") folder "#" message-id))
(org-add-link-props :link link :description desc)
link))))
(defun org-vm-open (path)
"Follow a VM message link specified by PATH."
(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 argument 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)
(when article
(org-vm-select-message (org-add-angle-brackets article)))))
(defun org-vm-imap-open (path)
"Follow a VM link to an IMAP folder."
(require 'vm-imap)
(when (string-match "\\([^:]+\\):\\([^#]+\\)#?\\(.+\\)?" path)
(let* ((account-name (match-string 1 path))
(mailbox-name (match-string 2 path))
(message-id (match-string 3 path))
(account-spec (vm-imap-parse-spec-to-list
(vm-imap-spec-for-account account-name)))
(mailbox-spec (mapconcat 'identity
(append (butlast account-spec 4)
(cons mailbox-name
(last account-spec 3)))
":")))
(funcall (cdr (assq 'vm-imap org-link-frame-setup))
mailbox-spec)
(when message-id
(org-vm-select-message (org-add-angle-brackets message-id))))))
(defun org-vm-select-message (message-id)
"Go to the message with message-id in the current folder."
(require 'vm-search)
(sit-for 0.1)
(vm-select-folder-buffer)
(widen)
(let ((case-fold-search t))
(goto-char (point-min))
(if (not (re-search-forward
(concat "^" "message-id: *" (regexp-quote message-id))))
(error "Could not find the specified message in this folder"))
(vm-isearch-update)
(vm-isearch-narrow)
(vm-preview-current-message)
(vm-summarize)))
(provide 'org-vm)
;;; org-vm.el ends here