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3afbc435 | 1 | ;;; eudc-hotlist.el --- hotlist management for EUDC |
7970b229 | 2 | |
082d147b | 3 | ;; Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc. |
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4 | |
5 | ;; Author: Oscar Figueiredo <oscar@xemacs.org> | |
6 | ;; Maintainer: Oscar Figueiredo <oscar@xemacs.org> | |
ab651127 | 7 | ;; Keywords: comm |
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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 2, or (at your option) | |
14 | ;; 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; see the file COPYING. If not, write to the | |
23 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
24 | ;; Boston, MA 02111-1307, USA. | |
25 | ||
26 | ;;; Commentary: | |
27 | ||
28 | ;;; Usage: | |
29 | ;; See the corresponding info file | |
30 | ||
31 | ;;; Code: | |
32 | ||
33 | (require 'eudc) | |
34 | ||
35 | (defvar eudc-hotlist-menu nil) | |
36 | (defvar eudc-hotlist-mode-map nil) | |
37 | (defvar eudc-hotlist-list-beginning nil) | |
38 | ||
39 | (defun eudc-hotlist-mode () | |
40 | "Major mode used to edit the hotlist of servers. | |
41 | ||
42 | These are the special commands of this mode: | |
43 | a -- Add a new server to the list. | |
44 | d -- Delete the server at point from the list. | |
45 | s -- Select the server at point. | |
46 | t -- Transpose the server at point and the previous one | |
47 | q -- Commit the changes and quit. | |
48 | x -- Quit without commiting the changes." | |
49 | (interactive) | |
50 | (kill-all-local-variables) | |
51 | (setq major-mode 'eudc-hotlist-mode) | |
52 | (setq mode-name "EUDC-Servers") | |
53 | (use-local-map eudc-hotlist-mode-map) | |
54 | (setq mode-popup-menu eudc-hotlist-menu) | |
55 | (when (and eudc-xemacs-p | |
56 | (featurep 'menubar)) | |
57 | (set-buffer-menubar current-menubar) | |
58 | (add-submenu nil (cons "EUDC-Hotlist" (cdr (cdr eudc-hotlist-menu))))) | |
59 | (setq buffer-read-only t)) | |
60 | ||
61 | ;;;###autoload | |
62 | (defun eudc-edit-hotlist () | |
63 | "Edit the hotlist of directory servers in a specialized buffer." | |
64 | (interactive) | |
082d147b | 65 | (let ((proto-col 10) |
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66 | gap) |
67 | (switch-to-buffer (get-buffer-create "*EUDC Servers*")) | |
68 | (setq buffer-read-only nil) | |
69 | (erase-buffer) | |
aed3fbc3 | 70 | (mapcar (function |
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71 | (lambda (entry) |
72 | (setq proto-col (max (length (car entry)) proto-col)))) | |
73 | eudc-server-hotlist) | |
74 | (setq proto-col (+ 3 proto-col)) | |
75 | (setq gap (make-string (- proto-col 6) ?\ )) | |
76 | (insert " EUDC Servers\n" | |
77 | " ============\n" | |
78 | "\n" | |
79 | "Server" gap "Protocol\n" | |
80 | "------" gap "--------\n" | |
81 | "\n") | |
82 | (setq eudc-hotlist-list-beginning (point)) | |
83 | (mapcar '(lambda (entry) | |
84 | (insert (car entry)) | |
85 | (indent-to proto-col) | |
86 | (insert (symbol-name (cdr entry)) "\n")) | |
87 | eudc-server-hotlist) | |
88 | (eudc-hotlist-mode))) | |
89 | ||
90 | (defun eudc-hotlist-add-server () | |
91 | "Add a new server to the list after current one." | |
92 | (interactive) | |
93 | (if (not (eq major-mode 'eudc-hotlist-mode)) | |
94 | (error "Not in a EUDC hotlist edit buffer")) | |
95 | (let ((server (read-from-minibuffer "Server: ")) | |
96 | (protocol (completing-read "Protocol: " | |
97 | (mapcar '(lambda (elt) | |
98 | (cons (symbol-name elt) | |
99 | elt)) | |
100 | eudc-known-protocols))) | |
101 | (buffer-read-only nil)) | |
102 | (if (not (eobp)) | |
103 | (forward-line 1)) | |
104 | (insert server) | |
105 | (indent-to 30) | |
106 | (insert protocol "\n"))) | |
107 | ||
108 | (defun eudc-hotlist-delete-server () | |
109 | "Delete the server at point from the list." | |
110 | (interactive) | |
111 | (if (not (eq major-mode 'eudc-hotlist-mode)) | |
112 | (error "Not in a EUDC hotlist edit buffer")) | |
113 | (let ((buffer-read-only nil)) | |
114 | (save-excursion | |
115 | (beginning-of-line) | |
aed3fbc3 | 116 | (if (and (>= (point) eudc-hotlist-list-beginning) |
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117 | (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)")) |
118 | (kill-line 1) | |
119 | (error "No server on this line"))))) | |
120 | ||
121 | (defun eudc-hotlist-quit-edit () | |
122 | "Quit the hotlist editing mode and save changes to the hotlist." | |
123 | (interactive) | |
124 | (if (not (eq major-mode 'eudc-hotlist-mode)) | |
125 | (error "Not in a EUDC hotlist edit buffer")) | |
126 | (let (hotlist) | |
127 | (goto-char eudc-hotlist-list-beginning) | |
128 | (while (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)") | |
129 | (setq hotlist (cons (cons (match-string 1) | |
130 | (intern (match-string 2))) | |
131 | hotlist)) | |
132 | (forward-line 1)) | |
133 | (if (not (looking-at "^[ \t]*$")) | |
aed3fbc3 | 134 | (error "Malformed entry in hotlist, discarding edits")) |
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135 | (setq eudc-server-hotlist (nreverse hotlist)) |
136 | (eudc-install-menu) | |
137 | (eudc-save-options) | |
138 | (kill-this-buffer))) | |
139 | ||
140 | (defun eudc-hotlist-select-server () | |
141 | "Select the server at point as the current server." | |
142 | (interactive) | |
143 | (if (not (eq major-mode 'eudc-hotlist-mode)) | |
144 | (error "Not in a EUDC hotlist edit buffer")) | |
145 | (save-excursion | |
146 | (beginning-of-line) | |
147 | (if (and (>= (point) eudc-hotlist-list-beginning) | |
148 | (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)")) | |
149 | (progn | |
150 | (eudc-set-server (match-string 1) (intern (match-string 2))) | |
151 | (message "Current directory server is %s (%s)" eudc-server eudc-protocol)) | |
152 | (error "No server on this line")))) | |
aed3fbc3 | 153 | |
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154 | (defun eudc-hotlist-transpose-servers () |
155 | "Swap the order of the server with the previous one in the list." | |
156 | (interactive) | |
157 | (if (not (eq major-mode 'eudc-hotlist-mode)) | |
158 | (error "Not in a EUDC hotlist edit buffer")) | |
159 | (let ((buffer-read-only nil)) | |
160 | (save-excursion | |
161 | (beginning-of-line) | |
162 | (if (and (>= (point) eudc-hotlist-list-beginning) | |
163 | (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)") | |
aed3fbc3 | 164 | (progn |
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165 | (forward-line -1) |
166 | (looking-at "^\\([-.a-zA-Z:0-9]+\\)[ \t]+\\([a-zA-Z]+\\)"))) | |
167 | (progn | |
168 | (forward-line 1) | |
169 | (transpose-lines 1)))))) | |
aed3fbc3 | 170 | |
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171 | (setq eudc-hotlist-mode-map |
172 | (let ((map (make-sparse-keymap))) | |
173 | (define-key map "a" 'eudc-hotlist-add-server) | |
174 | (define-key map "d" 'eudc-hotlist-delete-server) | |
175 | (define-key map "s" 'eudc-hotlist-select-server) | |
176 | (define-key map "t" 'eudc-hotlist-transpose-servers) | |
177 | (define-key map "q" 'eudc-hotlist-quit-edit) | |
178 | (define-key map "x" 'kill-this-buffer) | |
179 | map)) | |
180 | ||
181 | (defconst eudc-hotlist-menu | |
182 | '("EUDC Hotlist Edit" | |
183 | ["---" nil nil] | |
184 | ["Add New Server" eudc-hotlist-add-server t] | |
185 | ["Delete Server" eudc-hotlist-delete-server t] | |
186 | ["Select Server" eudc-hotlist-select-server t] | |
187 | ["Transpose Servers" eudc-hotlist-transpose-servers t] | |
188 | ["Save and Quit" eudc-hotlist-quit-edit t] | |
189 | ["Exit without Saving" kill-this-buffer t])) | |
190 | ||
191 | (if eudc-emacs-p | |
aed3fbc3 | 192 | (easy-menu-define eudc-hotlist-emacs-menu |
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193 | eudc-hotlist-mode-map |
194 | "" | |
195 | eudc-hotlist-menu)) | |
196 | ||
197 | ;;; eudc-hotlist.el ends here |