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comparison lisp/package-ui.el @ 373:6240c7796c7a r21-2b2

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date Mon, 13 Aug 2007 11:04:06 +0200
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372:49e1ed2d7ed8 373:6240c7796c7a
1 ;;; package-ui.el ---
2
3 ;; Copyright (C) 1998 by Darryl Okahata
4
5 ;; Author: Darryl Okahata <darrylo@sr.hp.com>
6 ;; Keywords: internal
7
8 ;; This file is part of XEmacs.
9
10 ;; XEmacs is free software; you can redistribute it and/or modify it
11 ;; under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; any later version.
14
15 ;; XEmacs is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
19
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 ;; 02111-1307, USA.
24
25 ;;; Synched up with: Not in FSF
26
27 (require 'package-get) ;; which, in turn, requires 'package-admin
28
29 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
30 ;; User-changeable variables:
31 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
32
33 (defvar pui-up-to-date-package-face nil
34 "The face to use for packages that are up-to-date.")
35
36 (defvar pui-selected-package-face (get-face 'bold)
37 "The face to use for selected packages.
38 Set this to `nil' to use the `default' face.")
39
40 (defvar pui-outdated-package-face (get-face 'red)
41 "The face to use for outdated packages.
42 Set this to `nil' to use the `default' face.")
43
44 (defvar pui-uninstalled-package-face (get-face 'italic)
45 "The face to use for uninstalled packages.
46 Set this to `nil' to use the `default' face.")
47
48 (defvar pui-list-verbose t
49 "If non-nil, display verbose info in the package list buffer.")
50
51 (defvar pui-info-buffer "*Packages*"
52 "Buffer to use for displaying package information.")
53
54 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
55 ;; End of user-changeable variables.
56 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
57
58 (defvar pui-selected-packages nil
59 "The list of user-selected packages to install.")
60
61 (defvar pui-display-keymap
62 (let ((m (make-keymap)))
63 (suppress-keymap m)
64 (set-keymap-name m 'pui-display-keymap)
65 (define-key m "q" 'pui-quit)
66 (define-key m "g" 'pui-list-packages)
67 (define-key m " " 'pui-display-info)
68 (define-key m "?" 'pui-help)
69 (define-key m "v" 'pui-toggle-verbosity-redisplay)
70 (define-key m "d" 'pui-toggle-verbosity-redisplay)
71 (define-key m [return] 'pui-toggle-package-key)
72 (define-key m "x" 'pui-install-selected-packages)
73 (define-key m "I" 'pui-install-selected-packages)
74 (define-key m "n" 'next-line)
75 (define-key m "+" 'next-line)
76 (define-key m "p" 'previous-line)
77 (define-key m "-" 'previous-line)
78 m)
79 "Keymap to use in the `pui-info-buffer' buffer")
80
81 (defvar pui-package-keymap
82 (let ((m (make-sparse-keymap)))
83 (set-keymap-name m 'pui-package-keymap)
84 (define-key m 'button2 'pui-toggle-package-event)
85 (define-key m 'button3 'pui-toggle-package-event)
86 m)
87 "Keymap to use over package names/descriptions.")
88
89 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
90 ;; End of variables
91
92
93 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
94 ;; Configuration routines
95
96 (defun pui-directory-exists (dir)
97 "Check to see if DIR exists in `package-get-remote'."
98 (let (found)
99 (mapcar '(lambda (item)
100 (if (and (null (car item))
101 (string-equal (file-name-as-directory (car (cdr item)))
102 (file-name-as-directory dir)))
103 (setq found t))
104 ) package-get-remote)
105 found
106 ))
107
108 (defun pui-package-dir-list (buffer)
109 "In BUFFER, format the list of package binary paths."
110 (let ( (count 1) paths sys dir)
111 (set-buffer buffer)
112 (buffer-disable-undo buffer)
113 (erase-buffer buffer)
114 (insert "Existing package binary paths:\n\n")
115 (setq paths package-get-remote)
116 (while paths
117 (setq sys (car (car paths))
118 dir (car (cdr (car paths))))
119 (insert (format "%2s. " count))
120 (if (null sys)
121 (insert dir)
122 (insert sys ":" dir))
123 (insert "\n")
124 (setq count (1+ count))
125 (setq paths (cdr paths))
126 )
127 (insert "\nThese are the places that will be searched for package binaries.\n")
128 (goto-char (point-min))
129 ))
130
131 ;;;###autoload
132 (defun pui-add-install-directory (dir)
133 "Add a new package binary directory to the head of `package-get-remote'.
134 Note that no provision is made for saving any changes made by this function.
135 It exists mainly as a convenience for one-time package installations from
136 disk."
137 (interactive (let ( (tmpbuf (get-buffer-create
138 "*Existing Package Binary Paths*"))
139 dir)
140 (save-window-excursion
141 (save-excursion
142 (unwind-protect
143 (progn
144 (pui-package-dir-list tmpbuf)
145 (display-buffer tmpbuf)
146 (setq dir (read-directory-name
147 "New package binary directory to add? "
148 nil nil t))
149 )
150 (kill-buffer tmpbuf)
151 )))
152 (list dir)
153 ))
154 (progn
155 (if (not (pui-directory-exists dir))
156 (progn
157 (setq package-get-remote (cons (list nil dir) package-get-remote))
158 (message "Package directory \"%s\" added." dir)
159 )
160 (message "Directory \"%s\" already exists in `package-get-remote'." dir))
161 ))
162
163 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
164 ;; Package list/installer routines
165
166 (defun pui-quit ()
167 (interactive)
168 (kill-buffer nil))
169
170 (defun pui-help ()
171 (interactive)
172 (let ( (help-buffer (get-buffer-create "*Help*")) )
173 (display-buffer help-buffer t)
174 (save-window-excursion
175 (set-buffer help-buffer)
176 (buffer-disable-undo help-buffer)
177 (erase-buffer help-buffer)
178 (insert (pui-help-string))
179 )
180 ))
181
182 (defun pui-package-symbol-char (pkg-sym version)
183 (progn
184 (if (package-get-info-find-package packages-package-list pkg-sym)
185 (if (package-get-installedp pkg-sym version)
186 (list " " pui-up-to-date-package-face)
187 (list "*" pui-outdated-package-face))
188 (list "-" pui-uninstalled-package-face))
189 ))
190
191 (defun pui-update-package-display (extent &optional pkg-sym version)
192 "Update the package status for EXTENT.
193 If PKG-SYM or VERSION are not given, they are read from the extent.
194 These are used to determine whether or not the package is installed,
195 and whether or not it is up-to-date."
196 (let (buffer-read-only disp sym-char)
197 (if (not pkg-sym)
198 (setq pkg-sym (extent-property extent 'pui-package)))
199 (if (not version)
200 (setq version (package-get-info-prop (extent-property extent 'pui-info)
201 'version)))
202 (if (member pkg-sym pui-selected-packages)
203 (progn
204 (if pui-selected-package-face
205 (set-extent-face extent (get-face pui-selected-package-face))
206 (set-extent-face extent (get-face 'default)))
207 (setq sym-char "+")
208 )
209 (progn
210 (setq disp (pui-package-symbol-char pkg-sym version))
211 (setq sym-char (car disp))
212 (if (cdr disp)
213 (set-extent-face extent (car (cdr disp)))
214 (set-extent-face extent (get-face 'default)))
215 ))
216 (save-excursion
217 (goto-char (extent-start-position extent))
218 (delete-char 1)
219 (insert sym-char)
220 (set-buffer-modified-p nil)
221 )
222 ))
223
224 (defun pui-toggle-package (extent)
225 (let (pkg-sym)
226 (setq pkg-sym (extent-property extent 'pui-package))
227 (if (member pkg-sym pui-selected-packages)
228 (setq pui-selected-packages
229 (delete pkg-sym pui-selected-packages))
230 (setq pui-selected-packages
231 (cons pkg-sym pui-selected-packages)))
232 (pui-update-package-display extent pkg-sym)
233 ))
234
235 (defun pui-toggle-package-key ()
236 "Select/unselect package for installation, using the keyboard."
237 (interactive)
238 (let (extent)
239 (if (setq extent (extent-at (point) (current-buffer) 'pui))
240 (progn
241 (pui-toggle-package extent)
242 (forward-line 1)
243 )
244 (error "No package under cursor!"))
245 ))
246
247 (defun pui-toggle-package-event (event)
248 "Select/unselect package for installation, using the mouse."
249 (interactive "e")
250 (let* ( (ep (event-point event))
251 (buffer (window-buffer (event-window event)))
252 (extent (extent-at ep buffer 'pui-package))
253 )
254 (pui-toggle-package extent)
255 ))
256
257 (defun pui-toggle-verbosity-redisplay ()
258 "Toggle verbose package info."
259 (interactive)
260 (progn
261 (setq pui-list-verbose (not pui-list-verbose))
262 (pui-list-packages)
263 ))
264
265 (defun pui-install-selected-packages ()
266 "Install selected packages."
267 (interactive)
268 (let ( (tmpbuf "*Packages-To-Install*") do-install)
269 (if pui-selected-packages
270 (progn
271 ;; Don't change window config when asking the user if he really
272 ;; wants to install the packages. We do this to avoid messing up
273 ;; the window configuration if errors occur (we don't want to
274 ;; display random buffers in addition to the error buffer, if
275 ;; errors occur, which would normally be caused by display-buffer).
276 (save-window-excursion
277 (with-output-to-temp-buffer tmpbuf
278 (display-completion-list (sort
279 (mapcar '(lambda (pkg)
280 (symbol-name pkg)
281 )
282 pui-selected-packages)
283 'string<)
284 :activate-callback nil
285 :help-string "Packages selected for installation:\n"
286 :completion-string t
287 ))
288 (setq tmpbuf (get-buffer-create tmpbuf))
289 (display-buffer tmpbuf)
290 (setq do-install (y-or-n-p "Install these packages? "))
291 (kill-buffer tmpbuf)
292 )
293 (if do-install
294 (progn
295 (save-excursion
296 ;; Clear old temp buffer history
297 (set-buffer (get-buffer-create package-admin-temp-buffer))
298 (buffer-disable-undo package-admin-temp-buffer)
299 (erase-buffer package-admin-temp-buffer)
300 )
301 (message "Installing selected packages ...") (sit-for 0)
302 (if (catch 'done
303 (mapcar (lambda (pkg)
304 (if (not (package-get-all pkg nil))
305 (throw 'done nil)))
306 pui-selected-packages)
307 t)
308 (progn
309 (pui-list-packages)
310 (message "Packages installed")
311 ))
312 )
313 (clear-message)
314 )
315 )
316 (error "No packages have been selected!"))
317 ))
318
319 (defun pui-help-echo (extent &optional force-update)
320 "Display additional package info in the modeline.
321 EXTENT determines the package to display (the package information is
322 attached to the extent as properties)."
323 (let (pkg-sym info inst-ver auth-ver date maintainer)
324 (if (or force-update (not (current-message))
325 (string-match ".*: .*: " (current-message))
326 )
327 (progn
328 (setq pkg-sym (extent-property extent 'pui-package)
329 info (extent-property extent 'pui-info)
330 inst-ver (package-get-key pkg-sym :version)
331 auth-ver (package-get-info-prop info 'author-version)
332 date (package-get-info-prop info 'date)
333 maintainer (package-get-info-prop info 'maintainer))
334 (if (not inst-ver)
335 (setq inst-ver ""))
336 (if pui-list-verbose
337 (format "Author version: %-8s %11s: %s"
338 auth-ver date maintainer)
339 (format "%-6s: %-8s %11s: %s"
340 inst-ver auth-ver date maintainer))
341 ))
342 ))
343
344 (defun pui-display-info (&optional no-error)
345 "Display additional package info in the modeline.
346 Designed to be called interactively (from a keypress)."
347 (interactive)
348 (let (extent)
349 (save-excursion
350 (beginning-of-line)
351 (if (setq extent (extent-at (point) (current-buffer) 'pui))
352 (message (pui-help-echo extent t))
353 (if no-error
354 (clear-message nil)
355 (error "No package under cursor!")))
356 )))
357
358 (defun pui-help-string ()
359 "Return the help string for the package-info buffer.
360 This is not a defconst because of the call to substitute-command-keys."
361 (save-excursion
362 (set-buffer (get-buffer pui-info-buffer))
363 (substitute-command-keys
364 "Symbols in the leftmost column:
365
366 + The package is marked for installation.
367 - The package has not been installed.
368 * The currently installed package is old, and a newer version is
369 available.
370
371 Useful keys:
372
373 `\\[pui-toggle-package-key]' to select/unselect the current package for installation.
374 `\\[pui-install-selected-packages]' to install selected packages.
375 `\\[pui-display-info]' to display additional information about the package in the modeline.
376 `\\[pui-list-packages]' to refresh the package list.
377 `\\[pui-toggle-verbosity-redisplay]' to toggle between a verbose and non-verbose display.
378 `\\[pui-quit]' to kill this buffer.
379 ")
380 ))
381
382 ;;;###autoload
383 (defun pui-list-packages ()
384 "List all packages and package information.
385 The package name, version, and description are displayed. From the displayed
386 buffer, the user can see which packages are installed, which are not, and
387 which are out-of-date (a newer version is available). The user can then
388 select packages for installation via the keyboard or mouse."
389 (interactive)
390 (let ( (outbuf (get-buffer-create pui-info-buffer))
391 (sep-string "===============================================================================\n")
392 start )
393 (message "Creating package list ...") (sit-for 0)
394 (set-buffer outbuf)
395 (setq buffer-read-only nil)
396 (buffer-disable-undo outbuf)
397 (erase-buffer outbuf)
398 (use-local-map pui-display-keymap)
399 (if pui-list-verbose
400 (insert " Latest Installed
401 Package name Vers. Vers. Description
402 ")
403 (insert " Latest
404 Package name Vers. Description
405 "))
406 (insert sep-string)
407 (setq start (point))
408 (mapcar '(lambda (pkg)
409 (let (pkg-sym info version desc
410 b e extent current-vers disp)
411 (setq pkg-sym (car pkg)
412 info (package-get-info-version (cdr pkg) nil))
413 (setq version (package-get-info-prop info 'version)
414 desc (package-get-info-prop info 'description))
415
416 (setq disp (pui-package-symbol-char pkg-sym
417 version))
418 (setq b (point))
419 (if pui-list-verbose
420 (progn
421 (setq current-vers (package-get-key pkg-sym :version))
422 (cond
423 ( (not current-vers)
424 (setq current-vers "-----") )
425 ( (stringp current-vers)
426 (setq current-vers
427 (format "%.2f"
428 (string-to-number current-vers))) )
429 ( (numberp current-vers)
430 (setq current-vers (format "%.2f" current-vers)) )
431 )
432 (insert
433 (format "%s %-15s %-5.2f %-5s %s\n"
434 (car disp) pkg-sym
435 (if (stringp version)
436 (string-to-number version)
437 version)
438 current-vers desc))
439 ;; (insert
440 ;; (format "\t\t %-12s %s\n"
441 ;; (package-get-info-prop info 'author-version)
442 ;; (package-get-info-prop info 'date)
443 ;; ))
444 )
445 (insert (format "%s %-15s %-5s %s\n"
446 (car disp)
447 pkg-sym version desc)))
448 (save-excursion
449 (setq e (progn
450 (forward-line -1)
451 (end-of-line)
452 (point)))
453 )
454 (setq extent (make-extent b e))
455 (if (cdr disp)
456 (set-extent-face extent (car (cdr disp)))
457 (set-extent-face extent (get-face 'default)))
458 (set-extent-property extent 'highlight t)
459 (set-extent-property extent 'pui t)
460 (set-extent-property extent 'pui-package pkg-sym)
461 (set-extent-property extent 'pui-info info)
462 (set-extent-property extent 'help-echo 'pui-help-echo)
463 (set-extent-property extent 'keymap pui-package-keymap)
464 )) (sort (copy-sequence package-get-base)
465 '(lambda (a b)
466 (string< (symbol-name (car a))
467 (symbol-name (car b)))
468 )))
469 (insert sep-string)
470 (insert (pui-help-string))
471 (set-buffer-modified-p nil)
472 (setq buffer-read-only t)
473 (pop-to-buffer outbuf)
474 (delete-other-windows)
475 (goto-char start)
476 (setq pui-selected-packages nil) ; Reset list
477 (clear-message)
478 ; (message (substitute-command-keys "Press `\\[pui-help]' for help."))
479 ))
480
481 (provide 'package-ui)
482
483 ;;; package-ui.el ends here