edit-text.el 33.3 KB
Newer Older
Linus Tolke's avatar
Linus Tolke committed
1
2
;;;;;
;;;;; $Id$
3
;;;;; Copyright (C) 1991, 1996  Lysator Academic Computer Association.
Linus Tolke's avatar
Linus Tolke committed
4
5
6
7
8
;;;;;
;;;;; This file is part of the LysKOM server.
;;;;; 
;;;;; LysKOM is free software; you can redistribute it and/or modify it
;;;;; under the terms of the GNU General Public License as published by 
9
;;;;; the Free Software Foundation; either version 2, or (at your option) 
Linus Tolke's avatar
Linus Tolke committed
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
;;;;; any later version.
;;;;; 
;;;;; LysKOM 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 LysKOM; see the file COPYING.  If not, write to
;;;;; Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
;;;;; or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, 
;;;;; MA 02139, USA.
;;;;;
;;;;; Please mail bug reports to bug-lyskom@lysator.liu.se. 
;;;;;
Per Cederqvist's avatar
.    
Per Cederqvist committed
25
26
27
28
29
30
31
32
33
;;;; ================================================================
;;;; ================================================================
;;;;
;;;; File: edit-text.el
;;;;
;;;; This file contains functions which lets the LysKOM user edit
;;;; a text in a window. It also defines a new mode - lyskom-edit-mode.
;;;;

34
35
36
37
38
(setq lyskom-clientversion-long 
      (concat lyskom-clientversion-long
	      "$Id$\n"))


Per Cederqvist's avatar
.    
Per Cederqvist committed
39
40
41
;;;; ================================================================


42
43
44
(defvar lyskom-edit-mode-mode-map nil
  "Mode map for the mode LysKOM edites in.")

Per Cederqvist's avatar
.    
Per Cederqvist committed
45
46
47
(defvar lyskom-edit-mode-name "LysKOM edit"
  "Name of the mode.")

Linus Tolke's avatar
Linus Tolke committed
48
49
50
51
52
53
54
55
56
57
58
59
60
61
(defvar lyskom-is-dedicated-edit-window nil
  "Status variable for an edit-window.")

(defvar lyskom-edit-handler nil
  "Status variable for an edit-buffer.
See lyskom-edit-handler-data.")

(defvar lyskom-edit-handler-data nil
  "Status variable for an edit-buffer.
See lyskom-edit-handler.")

(defvar lyskom-edit-return-to-configuration nil
  "Status variable for an edit-buffer.")

62
;;; Error signaled by lyskom-edit-parse-headers
63
64
65
(put 'lyskom-edit-text-abort 'error-conditions
     '(error lyskom-error lyskom-edit-error lyskom-abort-edit))

66
(put 'lyskom-unknown-header 'error-conditions
67
     '(error lyskom-error lyskom-edit-error lyskom-unknown-header))
68
69

(put 'lyskom-no-subject 'error-conditions
70
     '(error lyskom-error lyskom-edit-error lyskom-no-subject))
David Byers's avatar
David Byers committed
71

Per Cederqvist's avatar
.    
Per Cederqvist committed
72
73
74
75
76
77
78
79
80
81
82
83
84
(defun lyskom-edit-text (proc misc-list subject body
			      &optional handler &rest data)
  "Edit a text in a new buffer.
PROC is the associated process.
MISC-LIST is the default misc-list.
SUBJECT is subject (a string).
BODY is the default text-body (a string, normally empty.)
HANDLER is a function to call when the text has been created.
DATA is extra data to send to the function. HANDLER is called with
	(apply HANDLER text-no DATA)
where text-no is the number of the text.
Does lyskom-end-of-command."
  (setq lyskom-is-writing t)
85
  (lyskom-dispatch-edit-text proc misc-list subject body
86
                             handler data))
87
88
89
90


(defun lyskom-dispatch-edit-text (proc misc-list subject body
				       &optional handler &rest data)
91
  "Same as lyskom-edit-text except that it doesn't set lyskom-is-writing."
92
  (let ((buffer (generate-new-buffer
Per Cederqvist's avatar
.    
Per Cederqvist committed
93
94
		 (concat (buffer-name (process-buffer proc)) "-edit")))
	(config (current-window-configuration)))
95
96
    (setq lyskom-list-of-edit-buffers (cons buffer 
					    lyskom-list-of-edit-buffers))
David Byers's avatar
David Byers committed
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
    (process-kill-without-query (get-buffer-process (current-buffer)) t)

    (lyskom-associate-buffer buffer)
    (lyskom-display-buffer buffer
                           'kom-write-texts-in-window
                           'kom-dont-restore-window-after-editing)
    

;;;    (cond
;;;     ((and (or (bufferp kom-write-texts-in-window)
;;;	       (stringp kom-write-texts-in-window))
;;;	   (get-buffer-window kom-write-texts-in-window))
;;;      (select-window (get-buffer-window kom-write-texts-in-window))
;;;      (switch-to-buffer buffer))
;;;     ((eq kom-write-texts-in-window 'other)
;;;      (switch-to-buffer-other-window buffer))
;;;     ((and (eq kom-write-texts-in-window 'other-frame)
;;;	   (not (eq (selected-frame) (next-frame))))
;;;      (select-frame (next-frame))
;;;      (switch-to-buffer buffer))
;;;     ((eq kom-write-texts-in-window 'new-frame)
;;;      (switch-to-buffer-other-frame buffer)
;;;      (make-local-variable 'lyskom-is-dedicated-edit-window)
;;;      (setq lyskom-is-dedicated-edit-window t))
;;;     (t
;;;      (switch-to-buffer buffer)))

    (lyskom-protect-environment
     (lyskom-edit-mode))
Per Cederqvist's avatar
.    
Per Cederqvist committed
126
127
128
129
130
131
132
    (make-local-variable 'lyskom-edit-handler)
    (make-local-variable 'lyskom-edit-handler-data)
    (make-local-variable 'lyskom-edit-return-to-configuration)
    (setq lyskom-edit-handler handler)
    (setq lyskom-edit-handler-data data)
    (setq lyskom-edit-return-to-configuration config)
    (lyskom-edit-insert-miscs misc-list subject body)
133
    (goto-char (point-min))
134
135
    (re-search-forward (regexp-quote (lyskom-get-string
				      'header-subject))
136
137
		       (point-max)
		       'end)
138
139
    (if (not (looking-at "\\s-*$"))
        (goto-char (point-max)))
140
    (lyskom-message "%s" (lyskom-get-string 'press-C-c-C-c)))
David Byers's avatar
David Byers committed
141
  (set-buffer lyskom-buffer)
Linus Tolke's avatar
Linus Tolke committed
142
  )
Per Cederqvist's avatar
.    
Per Cederqvist committed
143
144
145
146
147
148
149
150
151
152


(defun lyskom-edit-insert-miscs (misc-list subject body)
  "Insert MISC-LIST into header of text.
recpt		-> Mottagare: <%d> %s.
cc-recpt	-> Extra kopia: <%d> %s.
comm-to		-> Kommentar till text %d.
footn-to	-> Fotnot till text %d."
  (let ((edit-buffer (current-buffer))
	(where-put-misc (point-min-marker))
David Byers's avatar
David Byers committed
153
	(main-buffer lyskom-buffer))
Per Cederqvist's avatar
.    
Per Cederqvist committed
154
155
156
157
158
159
160
    (set-buffer main-buffer)
    (setq misc-list (cdr misc-list))
    (while (not (null misc-list))
      (let ((key (car (car misc-list)))
	    (data (cdr (car misc-list))))
	(cond
	 ((eq key 'recpt)
161
162
163
	  (lyskom-edit-insert-misc-conf (blocking-do 'get-conf-stat data)
					(lyskom-get-string 'recipient)
					where-put-misc data))
Per Cederqvist's avatar
.    
Per Cederqvist committed
164
	 ((eq key 'cc-recpt)
165
166
167
	  (lyskom-edit-insert-misc-conf (blocking-do 'get-conf-stat data)
					(lyskom-get-string 'carbon-copy)
					where-put-misc data))
Per Cederqvist's avatar
.    
Per Cederqvist committed
168
	 ((eq key 'comm-to)
169
170
171
	  (lyskom-edit-get-commented-author (blocking-do 'get-text-stat data)
					    (lyskom-get-string 'comment)
					    where-put-misc data))
Per Cederqvist's avatar
.    
Per Cederqvist committed
172
	 ((eq key 'footn-to)
173
174
175
176
177
	  (lyskom-edit-get-commented-author (blocking-do 'get-text-stat data)
					    (lyskom-get-string 'footnote)
					    where-put-misc data)))
	(setq misc-list (cdr misc-list))))
    (princ (lyskom-format 'text-mass subject 
178
179
			  (substitute-command-keys
			   (lyskom-get-string 'header-separator))
180
			  body 
181
			  (lyskom-get-string 'header-subject))
182
183
184
185
	   where-put-misc)
    (set-buffer edit-buffer)
    (goto-char where-put-misc)
    ))
Per Cederqvist's avatar
.    
Per Cederqvist committed
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201


(defun lyskom-edit-goto-char (marker)
  "Positions the editing at MARKER."
  (let ((curbuf (current-buffer)))
    (set-buffer (marker-buffer marker))
    (save-window-excursion
      (goto-char marker))
    (set-buffer curbuf)))


(defun lyskom-edit-insert-misc-conf (conf-stat string stream number)
  "Insert Mottagare: or Extra kopia: in edit-buffer.
Args: CONF-STAT STRING STREAM NUMBER
CONF-STAT is the conf-stat of the conference that is about to be put in,
STRING is the string that is inserted.
202
STREAM is the buffer or a marker telling the position.
Per Cederqvist's avatar
.    
Per Cederqvist committed
203
204
205
206
207
NUMBER is the number of the person. Used if the conf-stat is nil."
  (save-excursion
    (let ((buf (cond
		((bufferp stream) stream)
		((markerp stream) (marker-buffer stream)))))
208
209
210
      (set-buffer buf)
      (save-excursion
	(if (markerp stream) (goto-char stream))
211
212
213
214
	(princ (lyskom-format "%#1s <%#2m> %#3M\n" 
                              string
                              (or conf-stat number)
                              (or conf-stat ""))
215
	       stream)))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
216
217
218
219


(defun lyskom-edit-get-commented-author (text-stat string stream number)
  (if text-stat
220
221
222
      (lyskom-edit-insert-commented-author 
       (blocking-do 'get-conf-stat (text-stat->author text-stat))
       string stream number)
Per Cederqvist's avatar
.    
Per Cederqvist committed
223
224
225
226
227
    (lyskom-edit-insert-commented-author nil string stream number)))


(defun lyskom-edit-insert-commented-author (conf-stat string stream number)
  (princ (lyskom-format 'comment-to-by
228
229
			string
                        number
Per Cederqvist's avatar
.    
Per Cederqvist committed
230
			(if conf-stat
231
			    (lyskom-format 'by conf-stat)
Per Cederqvist's avatar
.    
Per Cederqvist committed
232
233
			  ""))
	 stream)
234
  )
Per Cederqvist's avatar
.    
Per Cederqvist committed
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
			  


(defun lyskom-create-misc-list (&rest misc-pairs)
  "Create a misc-list.
Note that a misc-list is very different from a misc-info-list.
A misc-list is used when creating a new text, and sent to the server.
A misc-info-list is what is received from the server. Although the server
has the same format for the two things, this client uses two quite
different formats.

The arguments to this function is any number of pairs of data. The first
item in each pair should be one of recpt, cc-recpt, comm-to or footn-to.
The second item should be the corresponding conf- or text-no.

The result is a list of dotted pairs:
	('recpt . conf-no)
	('cc-recpt . conf-no)
	('comm-to . text-no)
	('footn-to . text-no).
First element is a type-tag."
  (let ((result (cons 'MISC-LIST nil)))
    (while (not (null misc-pairs))
      (nconc result (cons (cons (car misc-pairs)
				(car (cdr misc-pairs)))
			  nil))
      (setq misc-pairs (cdr (cdr misc-pairs))))
    result))


;;; ================================================================
;;;                   lyskom-edit-mode

Linus Tolke's avatar
Linus Tolke committed
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
(defvar lyskom-edit-mode-hook nil
  "*List of functions to be called when entering lyskom-edit-mode.
Watch out! None of these functions are allowed to do kill-all-local-variables
because kom-edit-send and other functions depend on some variables to be able
to enter the text in the correct lyskom-process.")

(defvar lyskom-edit-mode-mode-hook nil
  "*List of functions to be called when entering lyskom-edit-mode.
Watch out! None of these functions are allowed to do kill-all-local-variables
because kom-edit-send and other functions depend on some variables to be able
to enter the text in the correct lyskom-process.

This one differs from lyskom-edit-mode-hook in that it is called before
the lyskom-special key bindings are added.")


Per Cederqvist's avatar
.    
Per Cederqvist committed
284
285
286
(defun lyskom-edit-mode ()
  "\\<lyskom-edit-mode-map>Mode for editing texts for LysKOM.
Commands:
Linus Tolke's avatar
Linus Tolke committed
287
288
289
290
291
292
293
294
295
296
297
298
\\[kom-edit-send]   sends the text when you are ready. The buffer will be
	  deleted if (and only if) the server accepts the text.
\\[kom-edit-quit]   aborts the editing. You will get back to the LysKOM buffer.

\\[kom-edit-show-commented]   shows the commented text in a temporary buffer.

\\[kom-edit-add-recipient]   asks for another recipient and adds him to the header.
\\[kom-edit-add-copy]   as \\[kom-edit-add-recipient] but adds him as copy-recipient.

\\[kom-edit-insert-commented]   inserts the commented of footnoted text.
\\[kom-edit-insert-text]   inserts the shown text, you tell the number.

Per Cederqvist's avatar
.    
Per Cederqvist committed
299
300
301
302
303
The mode is based on the mode in the lyskom-edit-mode-mode-hook or fundamental.
Entry to this mode runs lyskom-edit-mode-hook."
  (interactive)
  (lyskom-clear-vars)
  (setq mode-line-buffer-identification '("LysKOM (server: %b)"))
304
  (text-mode)
Per Cederqvist's avatar
.    
Per Cederqvist committed
305
  (run-hooks 'lyskom-edit-mode-mode-hook)
Linus Tolke's avatar
Linus Tolke committed
306
307
  (setq lyskom-edit-mode-mode-map (and (current-local-map)
				       (copy-keymap (current-local-map))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
308
309
  (setq major-mode 'lyskom-edit-mode)
  (setq mode-name lyskom-edit-mode-name)
310
  ;; (setq buffer-offer-save t)
311
  (use-local-map (overlay-map lyskom-edit-mode-mode-map
Per Cederqvist's avatar
.    
Per Cederqvist committed
312
313
314
315
316
			      lyskom-edit-mode-map))
  (auto-save-mode 1)
  (auto-fill-mode 1)
  (make-local-variable 'paragraph-start)
  (make-local-variable 'paragraph-separate)
317
318
  (setq paragraph-start (concat "^" 
				(regexp-quote 
319
320
				 (substitute-command-keys
				  (lyskom-get-string 'header-separator)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
321
				"$\\|" paragraph-start))
322
323
  (setq paragraph-separate (concat "^" 
				   (regexp-quote 
324
325
				    (substitute-command-keys
				     (lyskom-get-string 'header-separator)))
326
				   "$\\|" paragraph-separate))
Per Cederqvist's avatar
.    
Per Cederqvist committed
327
328
329
330
331
332
333
  (run-hooks 'lyskom-edit-mode-hook))


;;; ================================================================
;;;   Functions bound to keyboard seqences in lyskom-edit-mode
;;;

334
335
336
337
(defun kom-edit-send-anonymous ()
  "Send the text anonymously to the server."
  (interactive)
  (lyskom-edit-send 'initiate-create-anonymous-text))
Per Cederqvist's avatar
.    
Per Cederqvist committed
338
339
340
341

(defun kom-edit-send ()
  "Send the text to the server."
  (interactive)
342
343
344
345
  (lyskom-edit-send 'initiate-create-text))

(defun lyskom-edit-send (send-function)
  "Send the text to the server by calling SEND-FUNCTION."
346
  (condition-case err
David Byers's avatar
David Byers committed
347
348
349
350
351
352
353
354
355
356
      (if (or (string= mode-name lyskom-edit-mode-name)
	      (j-or-n-p (lyskom-get-string 'already-sent)))
	  (progn 
	    (let ((buffer (current-buffer))
		  headers misc-list subject message)

	      (save-excursion
		(setq headers (lyskom-edit-parse-headers)
		      misc-list (apply 'lyskom-create-misc-list (cdr headers))
		      subject (car headers)))
357
358
359
360
              ;;
              ;; Check that there is a subject
              ;;

David Byers's avatar
David Byers committed
361
362
363
	      (if (string= subject "")
		  (let ((old (point)))
		    (goto-char (point-min))
364
		    (re-search-forward (lyskom-get-string 'header-subject)
David Byers's avatar
David Byers committed
365
366
367
				       nil t)
		    (end-of-line)
		    (if (/= (point) old)
368
			(signal 'lyskom-no-subject '(enter-subject-idi)))))
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385

              ;;
              ;; Check the recipients
              ;;

              (let ((extra-headers
                     (lyskom-edit-send-check-recipients misc-list
                                                        subject)))
                (if extra-headers
                    (setq misc-list (apply 'lyskom-create-misc-list
                                           (cdr (nconc headers
                                                       extra-headers))))))

              ;;
              ;; Transform the message text
              ;;

386
	      (setq message
387
388
                    (lyskom-send-transform-text (lyskom-edit-extract-text)))

David Byers's avatar
David Byers committed
389
390
	      (setq mode-name "LysKOM sending")
	      (save-excursion
David Byers's avatar
David Byers committed
391
		(set-buffer lyskom-buffer)
David Byers's avatar
David Byers committed
392
393
394
395
396
		;; Don't change the prompt if we won't see our own text
		(if kom-created-texts-are-read
		    (setq lyskom-dont-change-prompt t))
		(setq lyskom-is-writing nil)
		(lyskom-tell-internat 'kom-tell-send)
David Byers's avatar
David Byers committed
397
		(funcall send-function
398
399
400
401
402
                         'sending
                         'lyskom-create-text-handler
                         (concat subject "\n" message)
                         misc-list
                         buffer)))
David Byers's avatar
David Byers committed
403
404
405
406
407
408
409
410
411
412
413
414
            (lyskom-undisplay-buffer)
;;;	    (if kom-dont-restore-window-after-editing
;;;		(bury-buffer)
;;;	      (save-excursion
;;;		(if (and (boundp 'lyskom-is-dedicated-edit-window)
;;;			 lyskom-is-dedicated-edit-window)
;;;		    (condition-case error
;;;			(delete-frame)
;;;		      (error))))
;;;	      (set-window-configuration lyskom-edit-return-to-configuration)
;;;	      (set-buffer (window-buffer (selected-window))))

David Byers's avatar
David Byers committed
415
	    (goto-char (point-max))))
David Byers's avatar
David Byers committed
416
    ;;
417
    ;; Catch no-subject and other things
David Byers's avatar
David Byers committed
418
419
    ;;

420
421
422
    (lyskom-abort-edit
     (apply 'lyskom-message (cdr-safe err)))
    (lyskom-no-subject
423
     (lyskom-beep lyskom-ding-on-no-subject)
David Byers's avatar
David Byers committed
424
425
     (if (cdr-safe (cdr-safe err))
	 (goto-char (car-safe (cdr-safe (cdr-safe err)))))
426
     (lyskom-message "%s" (lyskom-get-string (car (cdr err))))
427
     (condition-case nil
David Byers's avatar
David Byers committed
428
429
         (let ((text ""))
           (save-excursion
David Byers's avatar
David Byers committed
430
             (set-buffer lyskom-buffer)
David Byers's avatar
David Byers committed
431
432
433
434
             (if (and (string= "kom.lysator.liu.se" lyskom-server-name)
                      (eq lyskom-pers-no 698))
                 (setq text "rende, IDI!")))
           (save-excursion (insert text)))
435
436
       (error nil)))
    (lyskom-unknown-header
437
     (lyskom-message "%s" (lyskom-get-string (car (cdr err)))))))
David Byers's avatar
David Byers committed
438
439


440
441
442
443
444
445
446
(defun lyskom-edit-send-check-recipients (misc-list subject) 
  "Check that the recipients of this text are OK. Ask the user to
confirm multiple recipients; check that the author of the commented
text is a member of some recipient of this text."
  (let* ((comm-to-list nil)
         (recipient-list nil)
         (author-list nil)
447
         (author-is-member nil)
448
         (collector (make-collector))
449
         (extra-headers nil)
David Byers's avatar
David Byers committed
450
         (me (save-excursion (set-buffer lyskom-buffer)
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
                             lyskom-pers-no))
         (num-me 0))

    ;;
    ;; List all texts this text is a comment to
    ;;

    (lyskom-traverse misc (cdr misc-list)
      (cond ((eq (car misc) 'comm-to)
             (setq comm-to-list (cons (cdr misc)
                                      comm-to-list)))
            ((or (eq (car misc) 'recpt)
                 (eq (car misc) 'cc-recpt))
             (if (eq (cdr misc) me) (setq num-me (1+ num-me)))
             (setq recipient-list (cons (cdr misc) recipient-list)))))

    ;;
    ;; Confirm multiple recipients
    ;;
    
    (if (and kom-confirm-multiple-recipients
             (not (eq kom-confirm-multiple-recipients 'before))
             (> (- (length recipient-list) num-me) 1))
474
475
476
477
478
479
480
481
482
        (save-excursion
          (goto-char (point-min))
          (if (not 
               (lyskom-j-or-n-p
                (lyskom-format 'comment-all-relevant-p) t))
              (signal 'lyskom-edit-text-abort 
                      (list "%s" 
                            (lyskom-get-string 
                             'please-edit-recipients))))))
483

484
    (if (and kom-check-commented-author-membership
485
             (assq 'comm-to (cdr misc-list)))
486
        (progn
487
          (lyskom-message (lyskom-get-string 'checking-rcpt))
488
489
490
491
492
493
494
495
496
497
498

          ;;
          ;; For each commented text, get the author
          ;;
        
          (setq author-list (mapcar 
                             (function (lambda (x)
                                         (text-stat->author
                                          (blocking-do 'get-text-stat x))))
                             comm-to-list))

499
          ;;
500
          ;; For each author, see if the author is a direct recipient
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
          ;; of the text. If so, there is no point in continuing.
          ;; (People can unsubscribe from their mailboxes, but if they
          ;; do, this code won't help anyway.)
          ;;

          (lyskom-traverse misc (cdr misc-list)
            (cond ((eq (car misc) 'comm-to)
                   (setq comm-to-list (cons (cdr misc)
                                            comm-to-list)))
                  ((or (eq (car misc) 'recpt)
                       (eq (car misc) 'cc-recpt))
                   (if (or (memq (cdr misc) author-list)
                           (eq (cdr misc) me))
                       (setq author-list (delq (cdr misc) author-list))))))

516
          ;;
517
518
          ;; For each author, get his or her memberships in all
          ;; recipient conferences.
519
520
521
          ;;

          (save-excursion
David Byers's avatar
David Byers committed
522
            (set-buffer lyskom-buffer)
523
524
525
526
527
528
529
530
531
532
533
            (mapcar (function
                     (lambda (author-number)
                       (lyskom-collect 'sending)
                       (mapcar
                        (function
                         (lambda (conference-number)
                           (initiate-query-read-texts 
                            'sending
                            nil
                            author-number conference-number)))
                        recipient-list)
534

535
                       (lyskom-list-use 'sending
536
537
                                        'collector-push
                                        collector)
538
                       (lyskom-wait-queue 'sending)
539
540
                       (setq author-is-member (collector->value collector))

541
                       (if (and (null author-is-member)
David Kågedal's avatar
David Kågedal committed
542
				(not (zerop author-number))
543
544
545
546
547
548
549
550
551
552
                                (lyskom-j-or-n-p
                                 (let ((kom-deferred-printing nil))
                                   (lyskom-format
                                    'add-recipient-p
                                    author-number)) t))
                           (setq extra-headers
                                 (nconc (list 'recpt 
                                              author-number)
                                        extra-headers)))))
                    author-list))))
553

554
    extra-headers))
555
556
557
    


David Byers's avatar
David Byers committed
558
559
(defun lyskom-send-transform-text (message)
  (if lyskom-format-experimental
560
      (condition-case nil
David Byers's avatar
David Byers committed
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
          (let ((buf (generate-new-buffer "lyskom-enriched")))
            (unwind-protect
                (save-excursion
                  (set-buffer buf)
                  (insert message)
                  (goto-char (point-min))
                  (format-encode-buffer 'text/enriched)
                  (goto-char (point-min))
                  (search-forward "\n\n")
                  (if (not (string= (buffer-substring (point)
						      (point-max)) message))
                      (concat "enriched:\n" (buffer-string))
                    message))
              (kill-buffer buf)))
        (error message))
    message))
Per Cederqvist's avatar
.    
Per Cederqvist committed
577
578
579
580
581
582


(defun kom-edit-quit ()
  "Kill the text (if any) written so far and continue reading."
  (interactive)
  (let ((edit-buffer (current-buffer)))
Linus Tolke's avatar
Linus Tolke committed
583
584
585
586
    (if kom-dont-restore-window-after-editing
	(bury-buffer)
      ;; Select the old configuration.
      (save-excursion
587
588
	(if (and (boundp 'lyskom-is-dedicated-edit-window)
		 lyskom-is-dedicated-edit-window)
589
	    (condition-case nil
Linus Tolke's avatar
Linus Tolke committed
590
591
592
593
		(delete-frame)
	      (error))))
      (set-window-configuration lyskom-edit-return-to-configuration)
      (set-buffer (window-buffer (selected-window))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
594
595
596
597
598
599
    (goto-char (point-max))
    (setq lyskom-is-writing nil)
    (lyskom-tell-internat 'kom-tell-regret)
    (lyskom-save-excursion
     (set-buffer edit-buffer)
     (delete-auto-save-file-if-necessary))
600
601
    (kill-buffer edit-buffer)
    (lyskom-count-down-edits))
Per Cederqvist's avatar
.    
Per Cederqvist committed
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
  (garbage-collect))			;Take care of the garbage.


(defun kom-edit-show-commented ()
  "Show the commented text in another window."
  (interactive)
  (lyskom-edit-get-commented 'lyskom-edit-show-commented))


(defun kom-edit-insert-commented ()
  "Insert the commented text with '>' first on each line"
  (interactive)
  (lyskom-edit-get-commented 'lyskom-edit-insert-commented))


(defun kom-edit-insert-digit-text ()
  (interactive)
619
  (setq unread-command-events (cons last-command-event unread-command-events))
Per Cederqvist's avatar
.    
Per Cederqvist committed
620
621
622
623
624
  (call-interactively 'kom-edit-insert-text nil))


(defun kom-edit-insert-text (no)
  "Insert the text number NO with '>' first on each line"
Linus Tolke's avatar
Linus Tolke committed
625
626
627
628
629
630
631
  (interactive (list
		(cond
		 ((null current-prefix-arg)
		  (string-to-int 
		   (read-from-minibuffer 
		    (format "%s" (lyskom-get-string 'which-text-include)))))
		 ((prefix-numeric-value current-prefix-arg)))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
632
  (let ((buffer (current-buffer)))
David Byers's avatar
David Byers committed
633
    (set-buffer lyskom-buffer)
Per Cederqvist's avatar
.    
Per Cederqvist committed
634
635
636
637
638
639
640
641
642
643
    (initiate-get-text 'edit 'lyskom-edit-insert-commented no buffer)
    (set-buffer buffer)
    (sit-for 0)))
    

(defun lyskom-edit-get-commented (thendo)
  "Get the commented text and then do THENDO with it."
  (let ((p (point)))
    (save-excursion
      (let* ((buffer (current-buffer))
644
             (headers (condition-case nil
645
646
647
648
649
650
651
652
653
654
655
656
                          (cdr (lyskom-edit-parse-headers))
                        (lyskom-edit-error nil))) ; Ignore these errors
             (no nil))
        (while headers
          (if (or (eq (car headers) 'comm-to)
                  (eq (car headers) 'footn-to))
              (setq no (car (cdr headers))
                    headers nil)
            (setq headers (cdr (cdr headers)))))
        (cond
         (no
          (goto-char p)
David Byers's avatar
David Byers committed
657
          (set-buffer lyskom-buffer)
658
659
660
661
662
          (initiate-get-text 'edit thendo no buffer)
          (set-buffer buffer))
         (t
          (lyskom-message "%s" (lyskom-get-string 'no-such-text-m))))))
    (sit-for 0)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687


;;; ================================================================
;;;	  Add recipient, copy-recipient - Addera mottagare 
;;;
;;;  Author: Anders Gertz
;;;  Changed by: Linus Tolke


(defun kom-edit-add-recipient ()
  "Adds a conference as recipient to the text being edited."
  (interactive)
  (lyskom-edit-add-recipient/copy (lyskom-get-string 'added-recipient)
				  (lyskom-get-string 'recipient)))


(defun kom-edit-add-copy ()
  "Adds a conference to which a copy of the edited text will be sent."
  (interactive)
  (lyskom-edit-add-recipient/copy (lyskom-get-string 'added-carbon-copy)
				  (lyskom-get-string 'carbon-copy)))


(defun lyskom-edit-add-recipient/copy (prompt string)
  "Adds a new recipient or a cc-recipient to the text which is being edited."
688
  (let ((edit-buffer (current-buffer))
689
	(insert-at (point-min-marker))
690
	(conf-stat (lyskom-read-conf-stat prompt '(all) nil "" t)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
691
    (lyskom-save-excursion
692
     ;;(save-excursion
David Byers's avatar
David Byers committed
693
     (set-buffer lyskom-buffer)
694
695
     ;; +++ The information about msg-of-day might be old. We should
     ;; make sure it is up-to-date.
696
697
698
699
700
701
702
703
704
705
706
707
     (let ((text-no (conf-stat->msg-of-day conf-stat)))
       (if (zerop text-no)
	   (lyskom-edit-insert-misc-conf conf-stat string insert-at nil)
	 (let ((text (blocking-do 'get-text text-no)))
	   (if (and text (get-buffer-window edit-buffer))
	       (let ((win-config (current-window-configuration)))
		 ;;(set-buffer buffer)
		 (with-output-to-temp-buffer "*Motd*"
		   (princ (lyskom-format 'conf-has-motd-no
					 (text->text-no text)
					 (text->text-mass text))))
		 (and (j-or-n-p (lyskom-get-string 'still-want-to-add))
708
709
		      (lyskom-edit-insert-misc-conf conf-stat string
						    insert-at nil))
710
		 (set-window-configuration win-config))
711
712
	     (lyskom-edit-insert-misc-conf conf-stat string
					   insert-at nil))))))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
713
714
715
716
717
718
719
720



;;; ================================================================
;;;   Help functions for the functions bound to keyboard sequences 
;;;                       in lyskom-edit-mode.


721
(defun lyskom-looking-at-header (header match-number)
722
  "Check if point is at the beginning of a header of type HEADER.
David Kågedal's avatar
David Kågedal committed
723
724
Return the corresponding number (conf no etc.) if MATCH-NUMBER is
non-nil. If MATCH-NUMBER is 'angled, only match a number inside <>."
725
  (if (looking-at
726
       (concat (lyskom-get-string header)
727
728
729
730
731
732
733
734
735
736
	       (cond ((eq match-number 'angled)
		      "[^0-9]*<\\([0-9]+\\)>")
		     (match-number
		      "[^0-9]*\\([0-9]+\\)")
		     (nil
		      ""))))
      (if match-number
	  (string-to-int (buffer-substring (match-beginning 1)
					   (match-end 1)))
	t)
737
738
739
740
741
742
743
744
    nil))

(defun lyskom-edit-parse-headers ()
  "Parse the headers of an article.
They are returned as a list where the first element is the subject,
and the rest is a list (HEADER DATA HEADER DATA ...), where HEADER is
either 'recpt, 'cc-recpt, 'comm-to or 'footn-to. This is to make it
easy to use the result in a call to `lyskom-create-misc-list'."
Per Cederqvist's avatar
.    
Per Cederqvist committed
745
  (goto-char (point-min))
746
747
748
749
  (let ((result (cons "" nil)))		; The car will be replaced by
					; the real subject
    (save-restriction
      ;; Narrow to headers
750
751
      (search-forward (substitute-command-keys
		       (lyskom-get-string 'header-separator)))
752
753
754
755
756
757
      (beginning-of-line)
      (narrow-to-region (point-min) (point))
      (goto-char (point-min))
      (while (< (point) (point-max))
	(let ((case-fold-search t)
	      n)
Per Cederqvist's avatar
.    
Per Cederqvist committed
758
	  (cond
759
	   ((setq n (lyskom-looking-at-header 'recipient-prefix 'angled))
760
	    (nconc result (list 'recpt n)))
761
	   ((setq n (lyskom-looking-at-header 'carbon-copy-prefix 'angled))
762
	    (nconc result (list 'cc-recpt n)))
763
	   ((setq n (lyskom-looking-at-header 'comment-prefix t))
764
	    (nconc result (list 'comm-to n)))
765
	   ((setq n (lyskom-looking-at-header 'footnote-prefix t))
766
	    (nconc result (list 'footn-to n)))
767
	   ((lyskom-looking-at-header 'header-subject nil)
768
769
	    (setcar result (lyskom-edit-extract-subject)))
	   (t
770
	    (signal 'lyskom-unknown-header (list 'unknown-header (point))))))
771
772
773
	(forward-line 1)))
    result))

Per Cederqvist's avatar
.    
Per Cederqvist committed
774
775
776
777
778
779
780
781
782


(defun lyskom-edit-extract-subject ()
  "Find the subject.
Point must be located on the line where the subject is."
  (re-search-forward ": \\(.*\\)")
  (buffer-substring (match-beginning 1) (match-end 1)))


783
784
785
786
787
(defun lyskom-edit-extract-text ()
  "Get text as a string."
  (save-excursion
    (goto-char (point-min))
    (if (not (or (re-search-forward 
788
		  (substitute-command-keys
789
		   (lyskom-get-string 'header-separator))
790
		  nil (point-max))
791
792
		 (search-forward 
		  (substitute-command-keys
793
		   (lyskom-get-string 'header-separator)) 
794
		  nil (point-max))))
795
796
797
798
799
800
801
802
803
	(signal 'lyskom-internal-error
		"Altered lyskom-header-separator line.")
      (buffer-substring (1+ (point))
			(progn
			  (goto-char (1- (point-max)))
			  (while (looking-at "\\s-")	; remove trailing
			    (backward-char 1))		; whitespace
			  (forward-char 1)
			  (point))))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
804
805
806
807

  
(defun lyskom-create-text-handler (text-no edit-buffer)
  "Handle an attempt to write a text."
David Kågedal's avatar
David Kågedal committed
808
  (lyskom-tell-internat 'kom-tell-silence)
Per Cederqvist's avatar
.    
Per Cederqvist committed
809
810
811
812
  (message "")
  (cond
   ((null text-no)
    (lyskom-insert-before-prompt
Linus Tolke's avatar
Linus Tolke committed
813
814
     (lyskom-format 'could-not-create-text lyskom-errno
		    (lyskom-get-error-text lyskom-errno)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
815
    (beep)
816
    (lyskom-message "%s" (lyskom-format 'could-not-create-text lyskom-errno
Linus Tolke's avatar
Linus Tolke committed
817
				   (lyskom-get-error-text lyskom-errno)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
    (set-buffer edit-buffer)
    (setq mode-name lyskom-edit-mode-name)
    (sit-for 0))
   (t
    (lyskom-insert-before-prompt
     (lyskom-format 'text-created  text-no))

    ;; Immediately mark the text as read if kom-created-texts-are-read is set.
    
    (cond
     (kom-created-texts-are-read
      (lyskom-is-read text-no)
      (initiate-get-text-stat 'background 'lyskom-mark-as-read
			      text-no)
      (lyskom-run 'background 'set 'lyskom-dont-change-prompt nil)
David Kågedal's avatar
David Kågedal committed
833
      (lyskom-run 'background 'lyskom-set-mode-line))
834
     (t					; Probably not necessary
David Kågedal's avatar
David Kågedal committed
835
836
      (setq lyskom-dont-change-prompt nil)))
    
Per Cederqvist's avatar
.    
Per Cederqvist committed
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
    (set-buffer edit-buffer)		;Need local variables.

    ;; Select the old configuration.

    (let ((hnd lyskom-edit-handler)
	  (dta lyskom-edit-handler-data))
      (cond
       ((get-buffer-window edit-buffer)
	(set-window-configuration lyskom-edit-return-to-configuration)
	(set-buffer (window-buffer (selected-window)))
	(goto-char (point-max))))
	

      ;; Apply handler.

David Byers's avatar
David Byers committed
852
      (set-buffer lyskom-buffer)
Per Cederqvist's avatar
.    
Per Cederqvist committed
853
854
855
856
857
858
859
860
      (if hnd
	  (apply hnd text-no dta)))
    
    ;; Kill the edit-buffer.

    (lyskom-save-excursion
     (set-buffer edit-buffer)
     (delete-auto-save-file-if-necessary))
861
862
    (kill-buffer edit-buffer)
    (lyskom-count-down-edits))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
863
864
865
866
867
868
869
870
871
872
873
874


(defun lyskom-edit-show-commented (text editing-buffer)
  "Handles the TEXT from the return of the call of the text.
The EDITING-BUFFER is the buffer the editing is done in. If this buffer is 
not displayed nothing is done. If displayed then this buffer is chosen then 
the with-output-to-temp-buffer command is issued to make them both apear."
  (and text
       (get-buffer-window editing-buffer)
       (progn
	 (set-buffer editing-buffer)
	 (with-output-to-temp-buffer "*Commented*"
875
	   (princ (text->text-mass text))))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
876
877
878
879
880
881
882


(defun lyskom-edit-insert-commented (text editing-buffer)
  "Handles the TEXT from the return of the call of the text.
The text is inserted in the buffer with '>' first on each line."
  (if text
      (progn
883
884
885
886
887
888
889
890
891
892
893
894
895
896
        (set-buffer editing-buffer)
        (and (not (bolp))
             (insert "\n"))
        (and (not (eolp))
             (open-line 1))
        (let* ((pb (point))
               (as (string-match "\n" (text->text-mass text)))
               (te (substring (text->text-mass text) (1+ as))))
          (insert te)
          (while (<= pb (point))
            (beginning-of-line)
            (insert (or kom-cite-string 62))
            (forward-line -1)
            )))
897
    (lyskom-message "%s" (lyskom-get-string 'no-get-text))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
898
899


900
901
902
903
904
905
906
907
(defun lyskom-count-down-edits ()
  "Counts down the number of edit sessions.
Returns non-nil if there are sessions left.

Can be called from any of the lyskom-associated buffers. At least the main
buffer and edit buffers."
  (save-excursion
    (let ((proc (or (get-buffer-process (current-buffer))
908
909
910
911
912
913
                    (and (boundp 'lyskom-proc)
                         (processp lyskom-proc)
                         lyskom-proc)
                    (signal 'lyskom-internal-error
                            "lyskom-count-down-edits called from "
                            (current-buffer)))))
914
915
      (set-buffer (process-buffer proc))
      (while (and lyskom-list-of-edit-buffers
916
917
                  (not (memq (car lyskom-list-of-edit-buffers) (buffer-list))))
        (setq lyskom-list-of-edit-buffers (cdr lyskom-list-of-edit-buffers)))
918
919
	  (if lyskom-list-of-edit-buffers
	      (process-kill-without-query proc t)
920
	    (process-kill-without-query proc nil)))
921
922
923
    lyskom-list-of-edit-buffers))
      

Per Cederqvist's avatar
.    
Per Cederqvist committed
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
;;; ================================================================
;;;        Maphanteringsfunktion - keymap handling.
;;;
;;; Author: Linus Tolke
;;;

(defun overlay-map (oldmap newmap)
  "Returns a map that is the union of OLDMAP and NEWMAP. NEW-MAP has priority.
This function chooses whether the returned map is a list or an array.
Currently always same type as oldmap.
BUG: does not descend in the maps."
  (cond
   ((not (keymapp oldmap))
    newmap)
   ((not (keymapp newmap))
    oldmap)
   (t
    (let ((map (copy-keymap oldmap))
	  (r 0))
943
944
945
      (cond
       ((fboundp 'map-keymap)		;Special for lucid-emacs
	(map-keymap
Per Cederqvist's avatar
.    
Per Cederqvist committed
946
	 (function
947
	  (lambda (event function)
948
	    (define-key map (vector event) function)))
949
	 newmap))
Linus Tolke's avatar
Linus Tolke committed
950
951
952
953
954
       ((and (string-match "^19" emacs-version)
	     (arrayp (car (cdr newmap))))
	(while (< r (length (car (cdr newmap))))
	  (if (aref (car (cdr newmap)) r)
	      (define-key map (char-to-string r) (aref (car (cdr newmap)) r)))
955
956
957
958
959
960
961
962
963
964
965
	  (setq r (1+ r)))
	(mapcar
	 (function
	  (lambda (ele)
	    (define-key map 
	      (cond
	       ((integerp (car ele))
		(char-to-string (car ele)))
	       ((vector (car ele))))
	      (cdr ele))))
	 (cdr (cdr newmap))))
Linus Tolke's avatar
Linus Tolke committed
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
       ((arrayp newmap)
	(while (< r (length newmap))
	  (if (aref newmap r)
	      (define-key map (char-to-string r) (aref newmap r)))
	  (setq r (1+ r))))
       (t
	(mapcar
	 (function
	  (lambda (ele)
	    (define-key map 
	      (cond
	       ((integerp (car ele))
		(char-to-string (car ele)))
	       ((vector (car ele))))
	      (cdr ele))))
	 (cdr newmap))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
982
      map))))