edit-text.el 33.8 KB
Newer Older
Linus Tolke Y's avatar
Linus Tolke Y committed
1
2
;;;;;
;;;;; $Id$
3
;;;;; Copyright (C) 1991, 1996  Lysator Academic Computer Association.
Linus Tolke Y's avatar
Linus Tolke Y 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 Y's avatar
Linus Tolke Y 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 Y's avatar
Linus Tolke Y 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
93
  (let ((buf (process-buffer proc))
	(buffer (generate-new-buffer
Per Cederqvist's avatar
.    
Per Cederqvist committed
94
95
		 (concat (buffer-name (process-buffer proc)) "-edit")))
	(config (current-window-configuration)))
96
97
    (setq lyskom-list-of-edit-buffers (cons buffer 
					    lyskom-list-of-edit-buffers))
98
	(process-kill-without-query (get-buffer-process (current-buffer)) t)
Per Cederqvist's avatar
.    
Per Cederqvist committed
99
100
101
102
103
104
105
106
    (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))
Linus Tolke Y's avatar
Linus Tolke Y committed
107
108
109
110
111
112
113
     ((and (eq kom-write-texts-in-window 'other-frame)
	   (not (eq (selected-frame) (next-frame))))
      (select-frame (next-frame)))
     ((eq kom-write-texts-in-window 'new-frame)
      (make-local-variable 'lyskom-is-dedicated-edit-window)
      (setq lyskom-is-dedicated-edit-window t)
      (switch-to-buffer-other-frame buffer))
Per Cederqvist's avatar
.    
Per Cederqvist committed
114
115
116
117
118
119
120
121
122
123
124
     (t
      (switch-to-buffer buffer)))
    (lyskom-edit-mode)
    (setq lyskom-proc proc)
    (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)
125
126
127
128
129
130
    (goto-char (point-min))
    (re-search-forward (concat "\\(" (regexp-quote lyskom-header-subject)
			       "\\|" (regexp-quote lyskom-swascii-header-subject)
			       "\\)")
		       (point-max)
		       'end)
131
132
    (if (not (looking-at "\\s-*$"))
        (goto-char (point-max)))
133
    (lyskom-message "%s" (lyskom-get-string 'press-C-c-C-c)))
134
135
  (set-buffer (process-buffer lyskom-proc))
  )
Per Cederqvist's avatar
.    
Per Cederqvist committed
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153


(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))
	(main-buffer (process-buffer lyskom-proc)))
    (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)
154
155
156
	  (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
157
	 ((eq key 'cc-recpt)
158
159
160
	  (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
161
	 ((eq key 'comm-to)
162
163
164
	  (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
165
	 ((eq key 'footn-to)
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
	  (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 
			  (if kom-emacs-knows-iso-8859-1
			      lyskom-header-separator
			    lyskom-swascii-header-separator)
			  body 
			  (if kom-emacs-knows-iso-8859-1
			      lyskom-header-subject
			    lyskom-swascii-header-subject))
	   where-put-misc)
    (set-buffer edit-buffer)
    (goto-char where-put-misc)
    ))
Per Cederqvist's avatar
.    
Per Cederqvist committed
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197


(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.
198
STREAM is the buffer or a marker telling the position.
Per Cederqvist's avatar
.    
Per Cederqvist committed
199
200
201
202
203
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)))))
204
205
206
207
208
209
210
211
212
213
214
215
      (set-buffer buf)
      (save-excursion
	(if (markerp stream) (goto-char stream))
	(princ (concat string
		       (format " <%d> " (if conf-stat
					    (conf-stat->conf-no conf-stat)
					  number))
		       (if conf-stat
			   (conf-stat->name conf-stat)
			 "")
		       "\n")
	       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
228
229
230
231
232
    (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
			string number 
			(if conf-stat
			    (lyskom-format 'by (conf-stat->name conf-stat))
			  ""))
	 stream)
233
  )
Per Cederqvist's avatar
.    
Per Cederqvist committed
234
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
			  


(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 Y's avatar
Linus Tolke Y committed
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
(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
283
284
285
(defun lyskom-edit-mode ()
  "\\<lyskom-edit-mode-map>Mode for editing texts for LysKOM.
Commands:
Linus Tolke Y's avatar
Linus Tolke Y committed
286
287
288
289
290
291
292
293
294
295
296
297
\\[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
298
299
300
301
302
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)"))
303
  (text-mode)
Per Cederqvist's avatar
.    
Per Cederqvist committed
304
  (run-hooks 'lyskom-edit-mode-mode-hook)
Linus Tolke Y's avatar
Linus Tolke Y committed
305
306
  (setq lyskom-edit-mode-mode-map (and (current-local-map)
				       (copy-keymap (current-local-map))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
307
308
  (setq major-mode 'lyskom-edit-mode)
  (setq mode-name lyskom-edit-mode-name)
309
  ;; (setq buffer-offer-save t)
310
  (use-local-map (overlay-map lyskom-edit-mode-mode-map
Per Cederqvist's avatar
.    
Per Cederqvist committed
311
312
313
314
315
			      lyskom-edit-mode-map))
  (auto-save-mode 1)
  (auto-fill-mode 1)
  (make-local-variable 'paragraph-start)
  (make-local-variable 'paragraph-separate)
316
  (make-local-variable 'lyskom-proc)
317
318
319
320
321
322
  (setq paragraph-start (concat "^" 
				(regexp-quote 
				 lyskom-header-separator)
				"$\\|^"
				(regexp-quote
				 lyskom-swascii-header-separator)
Per Cederqvist's avatar
.    
Per Cederqvist committed
323
				"$\\|" paragraph-start))
324
325
326
327
328
329
  (setq paragraph-separate (concat "^" 
				   (regexp-quote 
				    lyskom-header-separator)
				   "$\\|^"
				   (regexp-quote
				    lyskom-swascii-header-separator)
330
				   "$\\|" paragraph-separate))
Per Cederqvist's avatar
.    
Per Cederqvist committed
331
332
333
334
335
336
337
  (run-hooks 'lyskom-edit-mode-hook))


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

338
339
340
341
(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
342
343
344
345

(defun kom-edit-send ()
  "Send the text to the server."
  (interactive)
346
347
348
349
  (lyskom-edit-send 'initiate-create-text))

(defun lyskom-edit-send (send-function)
  "Send the text to the server by calling SEND-FUNCTION."
350
  (condition-case err
David Byers's avatar
David Byers committed
351
352
353
354
355
356
357
358
359
360
      (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)))
361
362
363
364
              ;;
              ;; Check that there is a subject
              ;;

David Byers's avatar
David Byers committed
365
366
367
368
369
370
371
372
373
	      (if (string= subject "")
		  (let ((old (point)))
		    (goto-char (point-min))
		    (re-search-forward (if kom-emacs-knows-iso-8859-1
					   lyskom-header-subject
					 lyskom-swascii-header-subject)
				       nil t)
		    (end-of-line)
		    (if (/= (point) old)
374
			(signal 'lyskom-no-subject '(enter-subject-idi)))))
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391

              ;;
              ;; 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
              ;;

392
	      (setq message
393
394
                    (lyskom-send-transform-text (lyskom-edit-extract-text)))

David Byers's avatar
David Byers committed
395
396
397
398
399
400
401
402
	      (setq mode-name "LysKOM sending")
	      (save-excursion
		(set-buffer (process-buffer lyskom-proc))
		;; 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
403
		(funcall send-function
404
405
406
407
408
                         'sending
                         'lyskom-create-text-handler
                         (concat subject "\n" message)
                         misc-list
                         buffer)))
David Byers's avatar
David Byers committed
409
410
411
412
413
414
415
416
417
418
419
	    (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))))
	    (goto-char (point-max))))
David Byers's avatar
David Byers committed
420
    ;;
421
    ;; Catch no-subject and other things
David Byers's avatar
David Byers committed
422
423
    ;;

424
425
426
    (lyskom-abort-edit
     (apply 'lyskom-message (cdr-safe err)))
    (lyskom-no-subject
427
     (lyskom-beep lyskom-ding-on-no-subject)
David Byers's avatar
David Byers committed
428
429
     (if (cdr-safe (cdr-safe err))
	 (goto-char (car-safe (cdr-safe (cdr-safe err)))))
430
     (lyskom-message "%s" (lyskom-get-string (car (cdr err))))
David Byers's avatar
David Byers committed
431
432
433
434
435
436
437
438
     (condition-case arg
         (let ((text ""))
           (save-excursion
             (set-buffer (process-buffer lyskom-proc))
             (if (and (string= "kom.lysator.liu.se" lyskom-server-name)
                      (eq lyskom-pers-no 698))
                 (setq text "rende, IDI!")))
           (save-excursion (insert text)))
439
440
       (error nil)))
    (lyskom-unknown-header
441
     (lyskom-message "%s" (lyskom-get-string (car (cdr err)))))))
David Byers's avatar
David Byers committed
442
443


444
445
446
447
448
449
450
(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)
451
         (author-is-member nil)
452
         (collector (make-collector))
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
         (extra-headers nil)
         (me (save-excursion (set-buffer (process-buffer lyskom-proc))
                             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))
478
479
480
481
482
483
484
485
486
        (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))))))
487

488
    (if (and kom-check-commented-author-membership
489
             (assq 'comm-to (cdr misc-list)))
490
        (progn
491
          (lyskom-message (lyskom-get-string 'checking-rcpt))
492
493
494
495
496
497
498
499
500
501
502

          ;;
          ;; 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))

503
          ;;
504
          ;; For each author, see if the author is a direct recipient
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
          ;; 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))))))

520
          ;;
521
522
          ;; For each author, get his or her memberships in all
          ;; recipient conferences.
523
524
525
526
          ;;

          (save-excursion
            (set-buffer (process-buffer lyskom-proc))
527
528
529
530
531
532
533
534
535
536
537
            (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)
538

539
                       (lyskom-list-use 'sending
540
541
                                        'collector-push
                                        collector)
542
                       (lyskom-wait-queue 'sending)
543
544
                       (setq author-is-member (collector->value collector))

545
                       (if (and (null author-is-member)
David Kågedal's avatar
David Kågedal committed
546
				(not (zerop author-number))
547
548
549
550
551
552
553
554
555
556
                                (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))))
557

558
    extra-headers))
559
560
561
    


David Byers's avatar
David Byers committed
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
(defun lyskom-send-transform-text (message)
  (if lyskom-format-experimental
      (condition-case err
          (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
581
582
583
584
585
586


(defun kom-edit-quit ()
  "Kill the text (if any) written so far and continue reading."
  (interactive)
  (let ((edit-buffer (current-buffer)))
Linus Tolke Y's avatar
Linus Tolke Y committed
587
588
589
590
    (if kom-dont-restore-window-after-editing
	(bury-buffer)
      ;; Select the old configuration.
      (save-excursion
591
592
	(if (and (boundp 'lyskom-is-dedicated-edit-window)
		 lyskom-is-dedicated-edit-window)
Linus Tolke Y's avatar
Linus Tolke Y committed
593
594
595
596
597
	    (condition-case error
		(delete-frame)
	      (error))))
      (set-window-configuration lyskom-edit-return-to-configuration)
      (set-buffer (window-buffer (selected-window))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
598
599
600
601
602
603
    (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))
604
605
    (kill-buffer edit-buffer)
    (lyskom-count-down-edits))
Per Cederqvist's avatar
.    
Per Cederqvist committed
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
  (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)
623
  (setq unread-command-events (cons last-command-event unread-command-events))
Per Cederqvist's avatar
.    
Per Cederqvist committed
624
625
626
627
628
  (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 Y's avatar
Linus Tolke Y committed
629
630
631
632
633
634
635
  (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
636
637
638
639
640
641
642
643
644
645
646
647
  (let ((buffer (current-buffer)))
    (set-buffer (process-buffer lyskom-proc))
    (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))
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
             (headers (condition-case err
                          (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)
          (set-buffer (process-buffer lyskom-proc))
          (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
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692


;;; ================================================================
;;;	  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."
  (let ((marker (point-min-marker))
693
694
	(edit-buffer (current-buffer))
	(insert-at (point-min-marker))
695
	(conf-stat (lyskom-read-conf-stat prompt '(all) nil "" t)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
696
    (lyskom-save-excursion
697
     ;;(save-excursion
Per Cederqvist's avatar
.    
Per Cederqvist committed
698
     (set-buffer (process-buffer lyskom-proc))
699
700
     ;; +++ The information about msg-of-day might be old. We should
     ;; make sure it is up-to-date.
701
702
703
704
705
706
707
708
709
710
711
712
     (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))
713
714
		      (lyskom-edit-insert-misc-conf conf-stat string
						    insert-at nil))
715
		 (set-window-configuration win-config))
716
717
	     (lyskom-edit-insert-misc-conf conf-stat string
					   insert-at nil))))))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
718
719
720
721
722
723
724
725



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


726
(defun lyskom-looking-at-header (header match-number)
727
  "Check if point is at the beginning of a header of type HEADER.
David Kågedal's avatar
David Kågedal committed
728
729
Return the corresponding number (conf no etc.) if MATCH-NUMBER is
non-nil. If MATCH-NUMBER is 'angled, only match a number inside <>."
730
  (if (looking-at
731
       (concat (lyskom-get-string header)
732
733
734
735
736
737
738
739
740
741
	       (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)
742
743
744
745
746
747
748
749
    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
750
  (goto-char (point-min))
751
752
753
754
755
756
757
758
759
760
761
762
763
  (let ((result (cons "" nil)))		; The car will be replaced by
					; the real subject
    (save-restriction
      ;; Narrow to headers
      (search-forward (if kom-emacs-knows-iso-8859-1
			  lyskom-header-separator
			lyskom-swascii-header-separator))
      (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
764
	  (cond
765
	   ((setq n (lyskom-looking-at-header 'recipient-prefix 'angled))
766
	    (nconc result (list 'recpt n)))
767
	   ((setq n (lyskom-looking-at-header 'carbon-copy-prefix 'angled))
768
	    (nconc result (list 'cc-recpt n)))
769
	   ((setq n (lyskom-looking-at-header 'comment-prefix t))
770
	    (nconc result (list 'comm-to n)))
771
	   ((setq n (lyskom-looking-at-header 'footnote-prefix t))
772
	    (nconc result (list 'footn-to n)))
773
774
	   ((lyskom-looking-at-header (if kom-emacs-knows-iso-8859-1
					  lyskom-header-subject
775
776
					(regexp-quote
					 lyskom-swascii-header-subject))
777
778
779
				      nil)
	    (setcar result (lyskom-edit-extract-subject)))
	   (t
780
	    (signal 'lyskom-unknown-header (list 'unknown-header (point))))))
781
782
783
	(forward-line 1)))
    result))

Per Cederqvist's avatar
.    
Per Cederqvist committed
784
785
786
787
788
789
790
791
792


(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)))


793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
(defun lyskom-edit-extract-text ()
  "Get text as a string."
  (save-excursion
    (goto-char (point-min))
    (if (not (or (re-search-forward 
		  (regexp-quote 
		   (if kom-emacs-knows-iso-8859-1
		       lyskom-header-separator
		     lyskom-swascii-header-separator)) 
		  nil (point-max))
		 (re-search-forward 
		  (regexp-quote 
		   (if kom-emacs-knows-iso-8859-1
		       lyskom-swascii-header-separator
		     lyskom-header-separator)) 
		  nil (point-max))))
809
810
811
812
813
814
815
816
817
	(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
818
819
820
821

  
(defun lyskom-create-text-handler (text-no edit-buffer)
  "Handle an attempt to write a text."
David Kågedal's avatar
David Kågedal committed
822
  (lyskom-tell-internat 'kom-tell-silence)
Per Cederqvist's avatar
.    
Per Cederqvist committed
823
824
825
826
  (message "")
  (cond
   ((null text-no)
    (lyskom-insert-before-prompt
Linus Tolke Y's avatar
Linus Tolke Y committed
827
828
     (lyskom-format 'could-not-create-text lyskom-errno
		    (lyskom-get-error-text lyskom-errno)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
829
    (beep)
830
    (lyskom-message "%s" (lyskom-format 'could-not-create-text lyskom-errno
Linus Tolke Y's avatar
Linus Tolke Y committed
831
				   (lyskom-get-error-text lyskom-errno)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
    (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
847
      (lyskom-run 'background 'lyskom-set-mode-line))
848
     (t					; Probably not necessary
David Kågedal's avatar
David Kågedal committed
849
850
      (setq lyskom-dont-change-prompt nil)))
    
Per Cederqvist's avatar
.    
Per Cederqvist committed
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
    (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.

      (set-buffer (process-buffer lyskom-proc))
      (if hnd
	  (apply hnd text-no dta)))
    
    ;; Kill the edit-buffer.

    (lyskom-save-excursion
     (set-buffer edit-buffer)
     (delete-auto-save-file-if-necessary))
875
876
    (kill-buffer edit-buffer)
    (lyskom-count-down-edits))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
877
878
879
880
881
882
883
884
885
886
887
888


(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*"
Linus Tolke Y's avatar
Linus Tolke Y committed
889
890
891
892
	   (princ
	    (if kom-emacs-knows-iso-8859-1
		(text->text-mass text)
	      (iso-8859-1-to-swascii (text->text-mass text))))))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
893
894
895
896
897
898
899


(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
900
901
902
903
904
905
906
907
908
909
910
911
912
913
        (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)
            )))
914
    (lyskom-message "%s" (lyskom-get-string 'no-get-text))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
915
916


917
918
919
920
921
922
923
924
(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))
925
926
927
928
929
930
                    (and (boundp 'lyskom-proc)
                         (processp lyskom-proc)
                         lyskom-proc)
                    (signal 'lyskom-internal-error
                            "lyskom-count-down-edits called from "
                            (current-buffer)))))
931
932
      (set-buffer (process-buffer proc))
      (while (and lyskom-list-of-edit-buffers
933
934
                  (not (memq (car lyskom-list-of-edit-buffers) (buffer-list))))
        (setq lyskom-list-of-edit-buffers (cdr lyskom-list-of-edit-buffers)))
935
936
	  (if lyskom-list-of-edit-buffers
	      (process-kill-without-query proc t)
937
	    (process-kill-without-query proc nil)))
938
939
940
    lyskom-list-of-edit-buffers))
      

Per Cederqvist's avatar
.    
Per Cederqvist committed
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
;;; ================================================================
;;;        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))
960
961
962
      (cond
       ((fboundp 'map-keymap)		;Special for lucid-emacs
	(map-keymap
Per Cederqvist's avatar
.    
Per Cederqvist committed
963
	 (function
964
	  (lambda (event function)
965
	    (define-key map (vector event) function)))
966
	 newmap))
Linus Tolke Y's avatar
Linus Tolke Y committed
967
968
969
970
971
       ((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)))
972
973
974
975
976
977
978
979
980
981
982
	  (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 Y's avatar
Linus Tolke Y committed
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
       ((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
999
      map))))