1 ;;; eudc-hotlist.el --- hotlist management for EUDC
3 ;; Copyright (C) 1998-2017 Free Software Foundation, Inc.
5 ;; Author: Oscar Figueiredo <oscar@cpe.fr>
6 ;; Pavel JanÃk <Pavel@Janik.cz>
7 ;; Maintainer: Thomas Fitzsimmons <fitzsim@fitzsim.org>
11 ;; This file is part of GNU Emacs.
13 ;; GNU Emacs is free software: you can redistribute it and/or modify
14 ;; it under the terms of the GNU General Public License as published by
15 ;; the Free Software Foundation, either version 3 of the License, or
16 ;; (at your option) any later version.
18 ;; GNU Emacs is distributed in the hope that it will be useful,
19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ;; GNU General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
29 ;; See the corresponding info file
35 (defvar eudc-hotlist-menu nil
)
36 (defvar eudc-hotlist-list-beginning nil
)
38 (defvar eudc-hotlist-mode-map
39 (let ((map (make-sparse-keymap)))
40 (define-key map
"a" 'eudc-hotlist-add-server
)
41 (define-key map
"d" 'eudc-hotlist-delete-server
)
42 (define-key map
"s" 'eudc-hotlist-select-server
)
43 (define-key map
"t" 'eudc-hotlist-transpose-servers
)
44 (define-key map
"q" 'eudc-hotlist-quit-edit
)
45 (define-key map
"x" 'kill-current-buffer
)
48 (define-derived-mode eudc-hotlist-mode fundamental-mode
"EUDC-Servers"
49 "Major mode used to edit the hotlist of servers.
51 These are the special commands of this mode:
52 a -- Add a new server to the list.
53 d -- Delete the server at point from the list.
54 s -- Select the server at point.
55 t -- Transpose the server at point and the previous one
56 q -- Commit the changes and quit.
57 x -- Quit without committing the changes."
58 (when (featurep 'xemacs
)
59 (setq mode-popup-menu eudc-hotlist-menu
)
60 (when (featurep 'menubar
)
61 (set-buffer-menubar current-menubar
)
62 (add-submenu nil
(cons "EUDC-Hotlist" (cdr (cdr eudc-hotlist-menu
))))))
63 (setq buffer-read-only t
))
66 (defun eudc-edit-hotlist ()
67 "Edit the hotlist of directory servers in a specialized buffer."
71 (switch-to-buffer (get-buffer-create "*EUDC Servers*"))
72 (setq buffer-read-only nil
)
74 (dolist (entry eudc-server-hotlist
)
75 (setq proto-col
(max (length (car entry
)) proto-col
)))
76 (setq proto-col
(+ 3 proto-col
))
77 (setq gap
(make-string (- proto-col
6) ?\
))
78 (insert " EUDC Servers\n"
81 "Server" gap
"Protocol\n"
82 "------" gap
"--------\n"
84 (setq eudc-hotlist-list-beginning
(point))
85 (dolist (entry eudc-server-hotlist
)
88 (insert (symbol-name (cdr entry
)) "\n"))
91 (defun eudc-hotlist-add-server ()
92 "Add a new server to the list after current one."
94 (if (not (derived-mode-p 'eudc-hotlist-mode
))
95 (error "Not in a EUDC hotlist edit buffer"))
96 (let ((server (read-from-minibuffer "Server: "))
97 (protocol (completing-read "Protocol: "
99 (cons (symbol-name elt
)
101 eudc-known-protocols
)))
102 (buffer-read-only nil
))
107 (insert protocol
"\n")))
109 (defun eudc-hotlist-delete-server ()
110 "Delete the server at point from the list."
112 (if (not (derived-mode-p 'eudc-hotlist-mode
))
113 (error "Not in a EUDC hotlist edit buffer"))
114 (let ((buffer-read-only nil
))
117 (if (and (>= (point) eudc-hotlist-list-beginning
)
118 (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)"))
120 (error "No server on this line")))))
122 (defun eudc-hotlist-quit-edit ()
123 "Quit the hotlist editing mode and save changes to the hotlist."
125 (if (not (derived-mode-p 'eudc-hotlist-mode
))
126 (error "Not in a EUDC hotlist edit buffer"))
128 (goto-char eudc-hotlist-list-beginning
)
129 (while (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)")
130 (setq hotlist
(cons (cons (match-string 1)
131 (intern (match-string 2)))
134 (if (not (looking-at "^[ \t]*$"))
135 (error "Malformed entry in hotlist, discarding edits"))
136 (setq eudc-server-hotlist
(nreverse hotlist
))
141 (defun eudc-hotlist-select-server ()
142 "Select the server at point as the current server."
144 (if (not (derived-mode-p 'eudc-hotlist-mode
))
145 (error "Not in a EUDC hotlist edit buffer"))
148 (if (and (>= (point) eudc-hotlist-list-beginning
)
149 (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)"))
151 (eudc-set-server (match-string 1) (intern (match-string 2)))
152 (message "Current directory server is %s (%s)" eudc-server eudc-protocol
))
153 (error "No server on this line"))))
155 (defun eudc-hotlist-transpose-servers ()
156 "Swap the order of the server with the previous one in the list."
158 (if (not (derived-mode-p 'eudc-hotlist-mode
))
159 (error "Not in a EUDC hotlist edit buffer"))
160 (let ((buffer-read-only nil
))
163 (if (and (>= (point) eudc-hotlist-list-beginning
)
164 (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)")
167 (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)")))
170 (transpose-lines 1))))))
172 (defconst eudc-hotlist-menu
173 '("EUDC Hotlist Edit"
175 ["Add New Server" eudc-hotlist-add-server t
]
176 ["Delete Server" eudc-hotlist-delete-server t
]
177 ["Select Server" eudc-hotlist-select-server t
]
178 ["Transpose Servers" eudc-hotlist-transpose-servers t
]
179 ["Save and Quit" eudc-hotlist-quit-edit t
]
180 ["Exit without Saving" kill-this-buffer t
]))
182 (when (not (featurep 'xemacs
))
183 (easy-menu-define eudc-hotlist-emacs-menu
184 eudc-hotlist-mode-map
188 ;;; eudc-hotlist.el ends here