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[bpt/emacs.git] / lisp / url / url-dired.el

;;; url-dired.el --- URL Dired minor mode
;; Author: $Author: monnier $
;; Created: $Date: 2004/04/04 01:21:46 $
;; Version: $Revision: 1.1.1.1 $
;; Keywords: comm, files

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Copyright (c) 1993 - 1996 by William M. Perry <wmperry@cs.indiana.edu>
;;; Copyright (c) 1996 - 1999 Free Software Foundation, Inc.
;;;
;;; 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., 59 Temple Place - Suite 330,
;;; Boston, MA 02111-1307, USA.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(autoload 'w3-fetch "w3")
(autoload 'w3-open-local "w3")
(autoload 'dired-get-filename "dired")

(defvar url-dired-minor-mode-map
  (let ((map (make-sparse-keymap)))
    (define-key map "\C-m" 'url-dired-find-file)
    (if (featurep 'xemacs)
	(define-key map [button2] 'url-dired-find-file-mouse)
      (define-key map [mouse-2] 'url-dired-find-file-mouse))
    map)
  "Keymap used when browsing directories.")

(defvar url-dired-minor-mode nil
  "Whether we are in url-dired-minor-mode")

(make-variable-buffer-local 'url-dired-minor-mode)

(defun url-dired-find-file ()
  "In dired, visit the file or directory named on this line, using Emacs-W3."
  (interactive)
  (let ((filename (dired-get-filename)))
    (cond ((string-match "/\\(.*@.*\\):\\(/.*\\)" filename)
	   (w3-fetch (concat "file://" (match-string 1 filename) (match-string 2 filename))))
	  (t
	   (w3-open-local filename)))))

(defun url-dired-find-file-mouse (event)
  "In dired, visit the file or directory name you click on, using Emacs-W3."
  (interactive "@e")
  (mouse-set-point event)
  (url-dired-find-file))

(defun url-dired-minor-mode (&optional arg)
  "Minor mode for directory browsing with Emacs-W3."
  (interactive "P")
  (cond
   ((null arg)
    (setq url-dired-minor-mode (not url-dired-minor-mode)))
   ((equal 0 arg)
    (setq url-dired-minor-mode nil))
   (t
    (setq url-dired-minor-mode t))))

(if (not (fboundp 'add-minor-mode))
    (defun add-minor-mode (toggle name &optional keymap after toggle-fun)
      "Add a minor mode to `minor-mode-alist' and `minor-mode-map-alist'.
TOGGLE is a symbol which is used as the variable which toggle the minor mode,
NAME is the name that should appear in the modeline (it should be a string
beginning with a space), KEYMAP is a keymap to make active when the minor
mode is active, and AFTER is the toggling symbol used for another minor
mode.  If AFTER is non-nil, then it is used to position the new mode in the
minor-mode alists.  TOGGLE-FUN specifies an interactive function that
is called to toggle the mode on and off; this affects what appens when
button2 is pressed on the mode, and when button3 is pressed somewhere
in the list of modes.  If TOGGLE-FUN is nil and TOGGLE names an
interactive function, TOGGLE is used as the toggle function.

Example:  (add-minor-mode 'view-minor-mode \" View\" view-mode-map)"
      (if (not (assq toggle minor-mode-alist))
	  (setq minor-mode-alist (cons (list toggle name) minor-mode-alist)))
      (if (and keymap (not (assq toggle minor-mode-map-alist)))
	  (setq minor-mode-map-alist (cons (cons toggle keymap)
					   minor-mode-map-alist)))))

(add-minor-mode 'url-dired-minor-mode " URL" url-dired-minor-mode-map)

(defun url-find-file-dired (dir)
  "\"Edit\" directory DIR, but with additional URL-friendly bindings."
  (interactive "DURL Dired (directory): ")
  (find-file dir)
  (url-dired-minor-mode t))

(provide 'url-dired)

;;; arch-tag: 2694f21a-43e1-4391-b3cb-cf6e5349f15f