edit-text.el 33.9 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
  (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
134
135
136
137
138
    (goto-char (point-min))
    (re-search-forward (concat "\\(" (regexp-quote lyskom-header-subject)
			       "\\|" (regexp-quote lyskom-swascii-header-subject)
			       "\\)")
		       (point-max)
		       'end)
139
140
    (if (not (looking-at "\\s-*$"))
        (goto-char (point-max)))
141
    (lyskom-message "%s" (lyskom-get-string 'press-C-c-C-c)))
David Byers's avatar
David Byers committed
142
  (set-buffer lyskom-buffer)
143
  )
Per Cederqvist's avatar
.    
Per Cederqvist committed
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))
David Byers's avatar
David Byers committed
154
	(main-buffer lyskom-buffer))
Per Cederqvist's avatar
.    
Per Cederqvist committed
155
156
157
158
159
160
161
    (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)
162
163
164
	  (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
165
	 ((eq key 'cc-recpt)
166
167
168
	  (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
169
	 ((eq key 'comm-to)
170
171
172
	  (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
173
	 ((eq key 'footn-to)
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
	  (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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205


(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.
206
STREAM is the buffer or a marker telling the position.
Per Cederqvist's avatar
.    
Per Cederqvist committed
207
208
209
210
211
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)))))
212
213
214
215
216
217
218
219
220
221
222
223
      (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
224
225
226
227


(defun lyskom-edit-get-commented-author (text-stat string stream number)
  (if text-stat
228
229
230
      (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
231
232
233
234
235
236
237
238
239
240
    (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)
241
  )
Per Cederqvist's avatar
.    
Per Cederqvist committed
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
268
269
270
271
272
273
274
			  


(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
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
(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
291
292
293
(defun lyskom-edit-mode ()
  "\\<lyskom-edit-mode-map>Mode for editing texts for LysKOM.
Commands:
Linus Tolke Y's avatar
Linus Tolke Y committed
294
295
296
297
298
299
300
301
302
303
304
305
\\[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
306
307
308
309
310
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)"))
311
  (text-mode)
Per Cederqvist's avatar
.    
Per Cederqvist committed
312
  (run-hooks 'lyskom-edit-mode-mode-hook)
Linus Tolke Y's avatar
Linus Tolke Y committed
313
314
  (setq lyskom-edit-mode-mode-map (and (current-local-map)
				       (copy-keymap (current-local-map))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
315
316
  (setq major-mode 'lyskom-edit-mode)
  (setq mode-name lyskom-edit-mode-name)
317
  ;; (setq buffer-offer-save t)
318
  (use-local-map (overlay-map lyskom-edit-mode-mode-map
Per Cederqvist's avatar
.    
Per Cederqvist committed
319
320
321
322
323
			      lyskom-edit-mode-map))
  (auto-save-mode 1)
  (auto-fill-mode 1)
  (make-local-variable 'paragraph-start)
  (make-local-variable 'paragraph-separate)
324
325
326
327
328
329
  (setq paragraph-start (concat "^" 
				(regexp-quote 
				 lyskom-header-separator)
				"$\\|^"
				(regexp-quote
				 lyskom-swascii-header-separator)
Per Cederqvist's avatar
.    
Per Cederqvist committed
330
				"$\\|" paragraph-start))
331
332
333
334
335
336
  (setq paragraph-separate (concat "^" 
				   (regexp-quote 
				    lyskom-header-separator)
				   "$\\|^"
				   (regexp-quote
				    lyskom-swascii-header-separator)
337
				   "$\\|" paragraph-separate))
Per Cederqvist's avatar
.    
Per Cederqvist committed
338
339
340
341
342
343
344
  (run-hooks 'lyskom-edit-mode-hook))


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

345
346
347
348
(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
349
350
351
352

(defun kom-edit-send ()
  "Send the text to the server."
  (interactive)
353
354
355
356
  (lyskom-edit-send 'initiate-create-text))

(defun lyskom-edit-send (send-function)
  "Send the text to the server by calling SEND-FUNCTION."
357
  (condition-case err
David Byers's avatar
David Byers committed
358
359
360
361
362
363
364
365
366
367
      (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)))
368
369
370
371
              ;;
              ;; Check that there is a subject
              ;;

David Byers's avatar
David Byers committed
372
373
374
375
376
377
378
379
380
	      (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)
381
			(signal 'lyskom-no-subject '(enter-subject-idi)))))
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398

              ;;
              ;; 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
              ;;

399
	      (setq message
400
401
                    (lyskom-send-transform-text (lyskom-edit-extract-text)))

David Byers's avatar
David Byers committed
402
403
	      (setq mode-name "LysKOM sending")
	      (save-excursion
David Byers's avatar
David Byers committed
404
		(set-buffer lyskom-buffer)
David Byers's avatar
David Byers committed
405
406
407
408
409
		;; 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
410
		(funcall send-function
411
412
413
414
415
                         'sending
                         'lyskom-create-text-handler
                         (concat subject "\n" message)
                         misc-list
                         buffer)))
David Byers's avatar
David Byers committed
416
417
418
419
420
421
422
423
424
425
426
427
            (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
428
	    (goto-char (point-max))))
David Byers's avatar
David Byers committed
429
    ;;
430
    ;; Catch no-subject and other things
David Byers's avatar
David Byers committed
431
432
    ;;

433
434
435
    (lyskom-abort-edit
     (apply 'lyskom-message (cdr-safe err)))
    (lyskom-no-subject
436
     (lyskom-beep lyskom-ding-on-no-subject)
David Byers's avatar
David Byers committed
437
438
     (if (cdr-safe (cdr-safe err))
	 (goto-char (car-safe (cdr-safe (cdr-safe err)))))
439
     (lyskom-message "%s" (lyskom-get-string (car (cdr err))))
440
     (condition-case nil
David Byers's avatar
David Byers committed
441
442
         (let ((text ""))
           (save-excursion
David Byers's avatar
David Byers committed
443
             (set-buffer lyskom-buffer)
David Byers's avatar
David Byers committed
444
445
446
447
             (if (and (string= "kom.lysator.liu.se" lyskom-server-name)
                      (eq lyskom-pers-no 698))
                 (setq text "rende, IDI!")))
           (save-excursion (insert text)))
448
449
       (error nil)))
    (lyskom-unknown-header
450
     (lyskom-message "%s" (lyskom-get-string (car (cdr err)))))))
David Byers's avatar
David Byers committed
451
452


453
454
455
456
457
458
459
(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)
460
         (author-is-member nil)
461
         (collector (make-collector))
462
         (extra-headers nil)
David Byers's avatar
David Byers committed
463
         (me (save-excursion (set-buffer lyskom-buffer)
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
                             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))
487
488
489
490
491
492
493
494
495
        (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))))))
496

497
    (if (and kom-check-commented-author-membership
498
             (assq 'comm-to (cdr misc-list)))
499
        (progn
500
          (lyskom-message (lyskom-get-string 'checking-rcpt))
501
502
503
504
505
506
507
508
509
510
511

          ;;
          ;; 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))

512
          ;;
513
          ;; For each author, see if the author is a direct recipient
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
          ;; 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))))))

529
          ;;
530
531
          ;; For each author, get his or her memberships in all
          ;; recipient conferences.
532
533
534
          ;;

          (save-excursion
David Byers's avatar
David Byers committed
535
            (set-buffer lyskom-buffer)
536
537
538
539
540
541
542
543
544
545
546
            (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)
547

548
                       (lyskom-list-use 'sending
549
550
                                        'collector-push
                                        collector)
551
                       (lyskom-wait-queue 'sending)
552
553
                       (setq author-is-member (collector->value collector))

554
                       (if (and (null author-is-member)
David Kågedal's avatar
David Kågedal committed
555
				(not (zerop author-number))
556
557
558
559
560
561
562
563
564
565
                                (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))))
566

567
    extra-headers))
568
569
570
    


David Byers's avatar
David Byers committed
571
572
(defun lyskom-send-transform-text (message)
  (if lyskom-format-experimental
573
      (condition-case nil
David Byers's avatar
David Byers committed
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
          (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
590
591
592
593
594
595


(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
596
597
598
599
    (if kom-dont-restore-window-after-editing
	(bury-buffer)
      ;; Select the old configuration.
      (save-excursion
600
601
	(if (and (boundp 'lyskom-is-dedicated-edit-window)
		 lyskom-is-dedicated-edit-window)
602
	    (condition-case nil
Linus Tolke Y's avatar
Linus Tolke Y committed
603
604
605
606
		(delete-frame)
	      (error))))
      (set-window-configuration lyskom-edit-return-to-configuration)
      (set-buffer (window-buffer (selected-window))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
607
608
609
610
611
612
    (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))
613
614
    (kill-buffer edit-buffer)
    (lyskom-count-down-edits))
Per Cederqvist's avatar
.    
Per Cederqvist committed
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
  (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)
632
  (setq unread-command-events (cons last-command-event unread-command-events))
Per Cederqvist's avatar
.    
Per Cederqvist committed
633
634
635
636
637
  (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
638
639
640
641
642
643
644
  (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
645
  (let ((buffer (current-buffer)))
David Byers's avatar
David Byers committed
646
    (set-buffer lyskom-buffer)
Per Cederqvist's avatar
.    
Per Cederqvist committed
647
648
649
650
651
652
653
654
655
656
    (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))
657
             (headers (condition-case nil
658
659
660
661
662
663
664
665
666
667
668
669
                          (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
670
          (set-buffer lyskom-buffer)
671
672
673
674
675
          (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
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700


;;; ================================================================
;;;	  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."
701
  (let ((edit-buffer (current-buffer))
702
	(insert-at (point-min-marker))
703
	(conf-stat (lyskom-read-conf-stat prompt '(all) nil "" t)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
704
    (lyskom-save-excursion
705
     ;;(save-excursion
David Byers's avatar
David Byers committed
706
     (set-buffer lyskom-buffer)
707
708
     ;; +++ The information about msg-of-day might be old. We should
     ;; make sure it is up-to-date.
709
710
711
712
713
714
715
716
717
718
719
720
     (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))
721
722
		      (lyskom-edit-insert-misc-conf conf-stat string
						    insert-at nil))
723
		 (set-window-configuration win-config))
724
725
	     (lyskom-edit-insert-misc-conf conf-stat string
					   insert-at nil))))))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
726
727
728
729
730
731
732
733



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


734
(defun lyskom-looking-at-header (header match-number)
735
  "Check if point is at the beginning of a header of type HEADER.
David Kågedal's avatar
David Kågedal committed
736
737
Return the corresponding number (conf no etc.) if MATCH-NUMBER is
non-nil. If MATCH-NUMBER is 'angled, only match a number inside <>."
738
  (if (looking-at
739
       (concat (lyskom-get-string header)
740
741
742
743
744
745
746
747
748
749
	       (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)
750
751
752
753
754
755
756
757
    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
758
  (goto-char (point-min))
759
760
761
762
763
764
765
766
767
768
769
770
771
  (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
772
	  (cond
773
	   ((setq n (lyskom-looking-at-header 'recipient-prefix 'angled))
774
	    (nconc result (list 'recpt n)))
775
	   ((setq n (lyskom-looking-at-header 'carbon-copy-prefix 'angled))
776
	    (nconc result (list 'cc-recpt n)))
777
	   ((setq n (lyskom-looking-at-header 'comment-prefix t))
778
	    (nconc result (list 'comm-to n)))
779
	   ((setq n (lyskom-looking-at-header 'footnote-prefix t))
780
	    (nconc result (list 'footn-to n)))
781
782
	   ((lyskom-looking-at-header (if kom-emacs-knows-iso-8859-1
					  lyskom-header-subject
783
784
					(regexp-quote
					 lyskom-swascii-header-subject))
785
786
787
				      nil)
	    (setcar result (lyskom-edit-extract-subject)))
	   (t
788
	    (signal 'lyskom-unknown-header (list 'unknown-header (point))))))
789
790
791
	(forward-line 1)))
    result))

Per Cederqvist's avatar
.    
Per Cederqvist committed
792
793
794
795
796
797
798
799
800


(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)))


801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
(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))))
817
818
819
820
821
822
823
824
825
	(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
826
827
828
829

  
(defun lyskom-create-text-handler (text-no edit-buffer)
  "Handle an attempt to write a text."
David Kågedal's avatar
David Kågedal committed
830
  (lyskom-tell-internat 'kom-tell-silence)
Per Cederqvist's avatar
.    
Per Cederqvist committed
831
832
833
834
  (message "")
  (cond
   ((null text-no)
    (lyskom-insert-before-prompt
Linus Tolke Y's avatar
Linus Tolke Y committed
835
836
     (lyskom-format 'could-not-create-text lyskom-errno
		    (lyskom-get-error-text lyskom-errno)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
837
    (beep)
838
    (lyskom-message "%s" (lyskom-format 'could-not-create-text lyskom-errno
Linus Tolke Y's avatar
Linus Tolke Y committed
839
				   (lyskom-get-error-text lyskom-errno)))
Per Cederqvist's avatar
.    
Per Cederqvist committed
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
    (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
855
      (lyskom-run 'background 'lyskom-set-mode-line))
856
     (t					; Probably not necessary
David Kågedal's avatar
David Kågedal committed
857
858
      (setq lyskom-dont-change-prompt nil)))
    
Per Cederqvist's avatar
.    
Per Cederqvist committed
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
    (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
874
      (set-buffer lyskom-buffer)
Per Cederqvist's avatar
.    
Per Cederqvist committed
875
876
877
878
879
880
881
882
      (if hnd
	  (apply hnd text-no dta)))
    
    ;; Kill the edit-buffer.

    (lyskom-save-excursion
     (set-buffer edit-buffer)
     (delete-auto-save-file-if-necessary))
883
884
    (kill-buffer edit-buffer)
    (lyskom-count-down-edits))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
885
886
887
888
889
890
891
892
893
894
895
896


(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
897
898
899
900
	   (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
901
902
903
904
905
906
907


(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
908
909
910
911
912
913
914
915
916
917
918
919
920
921
        (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)
            )))
922
    (lyskom-message "%s" (lyskom-get-string 'no-get-text))))
Per Cederqvist's avatar
.    
Per Cederqvist committed
923
924


925
926
927
928
929
930
931
932
(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))
933
934
935
936
937
938
                    (and (boundp 'lyskom-proc)
                         (processp lyskom-proc)
                         lyskom-proc)
                    (signal 'lyskom-internal-error
                            "lyskom-count-down-edits called from "
                            (current-buffer)))))
939
940
      (set-buffer (process-buffer proc))
      (while (and lyskom-list-of-edit-buffers
941
942
                  (not (memq (car lyskom-list-of-edit-buffers) (buffer-list))))
        (setq lyskom-list-of-edit-buffers (cdr lyskom-list-of-edit-buffers)))
943
944
	  (if lyskom-list-of-edit-buffers
	      (process-kill-without-query proc t)
945
	    (process-kill-without-query proc nil)))
946
947
948
    lyskom-list-of-edit-buffers))
      

Per Cederqvist's avatar
.    
Per Cederqvist committed
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
;;; ================================================================
;;;        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))
968
969
970
      (cond
       ((fboundp 'map-keymap)		;Special for lucid-emacs
	(map-keymap
Per Cederqvist's avatar
.    
Per Cederqvist committed
971
	 (function
972
	  (lambda (event function)
973
	    (define-key map (vector event) function)))
974
	 newmap))
Linus Tolke Y's avatar
Linus Tolke Y committed
975
976
977
978
979
       ((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)))
980
981
982
983
984
985
986
987
988
989
990
	  (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
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
       ((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
1007
      map))))