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;;; gnus-dired.el --- utility functions where gnus and dired meet
;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004,
;; 2005, 2006 Free Software Foundation, Inc.
;; Authors: Benjamin Rutt <brutt@bloomington.in.us>,
;; Shenghuo Zhu <zsh@cs.rochester.edu>
;; Keywords: mail, news, extensions
;; 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 2, 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 package provides utility functions for intersections of gnus
;; and dired. To enable the gnus-dired-mode minor mode which will
;; have the effect of installing keybindings in dired-mode, place the
;; following in your ~/.gnus:
;; (require 'gnus-dired) ;, isn't needed due to autoload cookies
;; (add-hook 'dired-mode-hook 'turn-on-gnus-dired-mode)
;; Note that if you visit dired buffers before your ~/.gnus file has
;; been read, those dired buffers won't have the keybindings in
;; effect. To get around that problem, you may want to add the above
;; statements to your ~/.emacs instead.
;;; Code:
(require 'dired)
(require 'gnus-ems)
(require 'gnus-msg)
(require 'gnus-util)
(require 'message)
(require 'mm-encode)
(require 'mml)
(defvar gnus-dired-mode nil
"Minor mode for intersections of gnus and dired.")
(defvar gnus-dired-mode-map nil)
(unless gnus-dired-mode-map
(setq gnus-dired-mode-map (make-sparse-keymap))
(gnus-define-keys gnus-dired-mode-map
"\C-c\C-m\C-a" gnus-dired-attach
"\C-c\C-m\C-l" gnus-dired-find-file-mailcap
"\C-c\C-m\C-p" gnus-dired-print))
(defun gnus-dired-mode (&optional arg)
"Minor mode for intersections of gnus and dired.
\\{gnus-dired-mode-map}"
(interactive "P")
(when (eq major-mode 'dired-mode)
(set (make-local-variable 'gnus-dired-mode)
(if (null arg) (not gnus-dired-mode)
(> (prefix-numeric-value arg) 0)))
(when gnus-dired-mode
(gnus-add-minor-mode 'gnus-dired-mode "" gnus-dired-mode-map)
(gnus-run-hooks 'gnus-dired-mode-hook))))
;;;###autoload
(defun turn-on-gnus-dired-mode ()
"Convenience method to turn on gnus-dired-mode."
(gnus-dired-mode 1))
;; Method to attach files to a gnus composition.
(defun gnus-dired-attach (files-to-attach)
"Attach dired's marked files to a gnus message composition.
If called non-interactively, FILES-TO-ATTACH should be a list of
filenames."
(interactive
(list
(delq nil
(mapcar
;; don't attach directories
(lambda (f) (if (file-directory-p f) nil f))
(nreverse (dired-map-over-marks (dired-get-filename) nil))))))
(let ((destination nil)
(files-str nil)
(bufs nil))
;; warn if user tries to attach without any files marked
(if (null files-to-attach)
(error "No files to attach")
(setq files-str
(mapconcat
(lambda (f) (file-name-nondirectory f))
files-to-attach ", "))
(setq bufs (message-buffers))
;; set up destination message buffer
(if (and bufs
(y-or-n-p "Attach files to existing message buffer? "))
(setq destination
(if (= (length bufs) 1)
(get-buffer (car bufs))
(completing-read "Attach to which message buffer: "
(mapcar
(lambda (b)
(cons b (get-buffer b)))
bufs)
nil t)))
;; setup a new gnus message buffer
(gnus-setup-message 'message (message-mail))
(setq destination (current-buffer)))
;; set buffer to destination buffer, and attach files
(set-buffer destination)
(goto-char (point-max)) ;attach at end of buffer
(while files-to-attach
(mml-attach-file (car files-to-attach)
(or (mm-default-file-encoding (car files-to-attach))
"application/octet-stream") nil)
(setq files-to-attach (cdr files-to-attach)))
(message "Attached file(s) %s" files-str))))
(autoload 'mailcap-parse-mailcaps "mailcap" "" t)
(defun gnus-dired-find-file-mailcap (&optional file-name arg)
"In dired, visit FILE-NAME according to the mailcap file.
If ARG is non-nil, open it in a new buffer."
(interactive (list
(file-name-sans-versions (dired-get-filename) t)
current-prefix-arg))
(mailcap-parse-mailcaps)
(if (file-exists-p file-name)
(let (mime-type method)
(if (and (not arg)
(not (file-directory-p file-name))
(string-match "\\.[^\\.]+$" file-name)
(setq mime-type
(mailcap-extension-to-mime
(match-string 0 file-name)))
(stringp
(setq method
(cdr (assoc 'viewer
(car (mailcap-mime-info mime-type
'all)))))))
(let ((view-command (mm-mailcap-command method file-name nil)))
(message "viewing via %s" view-command)
(start-process "*display*"
nil
shell-file-name
shell-command-switch
view-command))
(find-file file-name)))
(if (file-symlink-p file-name)
(error "File is a symlink to a nonexistent target")
(error "File no longer exists; type `g' to update Dired buffer"))))
(defun gnus-dired-print (&optional file-name print-to)
"In dired, print FILE-NAME according to the mailcap file.
If there is no print command, print in a PostScript image. If the
optional argument PRINT-TO is nil, send the image to the printer. If
PRINT-TO is a string, save the PostScript image in a file with that
name. If PRINT-TO is a number, prompt the user for the name of the
file to save in."
(interactive (list
(file-name-sans-versions (dired-get-filename) t)
(ps-print-preprint current-prefix-arg)))
(mailcap-parse-mailcaps)
(cond
((file-directory-p file-name)
(error "Can't print a directory"))
((file-exists-p file-name)
(let (mime-type method)
(if (and (string-match "\\.[^\\.]+$" file-name)
(setq mime-type
(mailcap-extension-to-mime
(match-string 0 file-name)))
(stringp
(setq method (mailcap-mime-info mime-type "print"))))
(call-process shell-file-name nil
(generate-new-buffer " *mm*")
nil
shell-command-switch
(mm-mailcap-command method file-name mime-type))
(with-temp-buffer
(insert-file-contents file-name)
(gnus-print-buffer))
(ps-despool print-to))))
((file-symlink-p file-name)
(error "File is a symlink to a nonexistent target"))
(t
(error "File no longer exists; type `g' to update Dired buffer"))))
(provide 'gnus-dired)
;;; arch-tag: 44737731-e445-4638-a31e-713c7590ec76
;;; gnus-dired.el ends here
|
