* Minor fix to previous commit
[citadel.git] / webcit / event.c
1 /*
2  * $Id$
3  *
4  * Editing calendar events.
5  */
6
7 #include "webcit.h"
8 #include "webserver.h"
9
10 /*
11  * Display an event by itself (for editing)
12  * supplied_vevent      the event to edit
13  * msgnum               reference on the citserver
14  */
15 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
16         int unread, struct calview *calv)
17 {
18         icalcomponent *vevent;
19         icalproperty *p;
20         icalvalue *v;
21         struct icaltimetype t_start, t_end;
22         time_t now;
23         struct tm tm_now;
24         int created_new_vevent = 0;
25         icalproperty *organizer = NULL;
26         char organizer_string[SIZ];
27         icalproperty *attendee = NULL;
28         char attendee_string[SIZ];
29         char buf[SIZ];
30         int organizer_is_me = 0;
31         int i, j = 0;
32         int sequence = 0;
33         char weekday_labels[7][32];
34         char month_labels[12][32];
35         long weekstart = 0;
36         icalproperty *rrule = NULL;
37         struct icalrecurrencetype recur;
38
39         char *tabnames[3];
40         tabnames[0] = _("Event");
41         tabnames[1] = _("Attendees");
42         tabnames[2] = _("Recurrence");
43
44         get_pref_long("weekstart", &weekstart, 17);
45         if (weekstart > 6) weekstart = 0;
46
47         lprintf(9, "display_edit_individual_event(%ld) calview=%s year=%s month=%s day=%s\n",
48                 msgnum, bstr("calview"), bstr("year"), bstr("month"), bstr("day")
49         );
50
51         /* populate the weekday names - begin */
52         now = time(NULL);
53         localtime_r(&now, &tm_now);
54         while (tm_now.tm_wday != 0) {
55                 now -= 86400L;
56                 localtime_r(&now, &tm_now);
57         }
58         for (i=0; i<7; ++i) {
59                 localtime_r(&now, &tm_now);
60                 wc_strftime(weekday_labels[i], 32, "%A", &tm_now);
61                 now += 86400L;
62         }
63         /* populate the weekday names - end */
64
65         /* populate the month names - begin */
66         now = 259200L;  /* 1970-jan-04 is the first Sunday ever */
67         localtime_r(&now, &tm_now);
68         for (i=0; i<12; ++i) {
69                 localtime_r(&now, &tm_now);
70                 wc_strftime(month_labels[i], 32, "%B", &tm_now);
71                 now += 2678400L;
72         }
73         /* populate the month names - end */
74
75         now = time(NULL);
76         strcpy(organizer_string, "");
77         strcpy(attendee_string, "");
78
79         if (supplied_vevent != NULL) {
80                 vevent = supplied_vevent;
81
82                 /* Convert all timestamps to UTC to make them easier to process. */
83                 ical_dezonify(vevent);
84
85                 /*
86                  * If we're looking at a fully encapsulated VCALENDAR
87                  * rather than a VEVENT component, attempt to use the first
88                  * relevant VEVENT subcomponent.  If there is none, the
89                  * NULL returned by icalcomponent_get_first_component() will
90                  * tell the next iteration of this function to create a
91                  * new one.
92                  */
93                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
94                         display_edit_individual_event(
95                                 icalcomponent_get_first_component(
96                                         vevent, ICAL_VEVENT_COMPONENT), 
97                                 msgnum, from, unread, NULL
98                         );
99                         return;
100                 }
101         }
102         else {
103                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
104                 created_new_vevent = 1;
105         }
106
107         /* Learn the sequence */
108         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
109         if (p != NULL) {
110                 sequence = icalproperty_get_sequence(p);
111         }
112
113         /* Begin output */
114         output_headers(1, 1, 2, 0, 0, 0);
115         wprintf("<div id=\"banner\">\n");
116         wprintf("<h1>");
117         wprintf(_("Add or edit an event"));
118         wprintf("</h1>");
119         wprintf("</div>\n");
120
121         wprintf("<div id=\"content\" class=\"service\">\n");
122
123         wprintf("<div class=\"fix_scrollbar_bug\">");
124
125         /************************************************************
126          * Uncomment this to see the UID in calendar events for debugging
127         wprintf("UID == ");
128         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
129         if (p != NULL) {
130                 escputs((char *)icalproperty_get_comment(p));
131         }
132         wprintf("<br />\n");
133         wprintf("SEQUENCE == %d<br />\n", sequence);
134         *************************************************************/
135
136         wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" action=\"save_event\">\n");
137         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
138
139         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
140                 msgnum);
141         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
142                 bstr("calview"));
143         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
144                 bstr("year"));
145         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
146                 bstr("month"));
147         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
148                 bstr("day"));
149
150
151         tabbed_dialog(3, tabnames);
152         begin_tab(0, 3);
153
154         /* Put it in a borderless table so it lines up nicely */
155         wprintf("<TABLE border=0 width=100%%>\n");
156
157         wprintf("<TR><TD><B>");
158         wprintf(_("Summary"));
159         wprintf("</B></TD><TD>\n"
160                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
161                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
162         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
163         if (p != NULL) {
164                 escputs((char *)icalproperty_get_comment(p));
165         }
166         wprintf("\"></TD></TR>\n");
167
168         wprintf("<TR><TD><B>");
169         wprintf(_("Location"));
170         wprintf("</B></TD><TD>\n"
171                 "<INPUT TYPE=\"text\" NAME=\"location\" "
172                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
173         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
174         if (p != NULL) {
175                 escputs((char *)icalproperty_get_comment(p));
176         }
177         wprintf("\"></TD></TR>\n");
178
179         wprintf("<TR><TD><B>");
180         wprintf(_("Start"));
181         wprintf("</B></TD><TD>\n");
182         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
183         if (p != NULL) {
184                 t_start = icalproperty_get_dtstart(p);
185                 if (t_start.is_date) {
186                         t_start.hour = 0;
187                         t_start.minute = 0;
188                         t_start.second = 0;
189                 }
190         }
191         else {
192                 localtime_r(&now, &tm_now);
193                 if (havebstr("year")) {
194                         tm_now.tm_year = ibstr("year") - 1900;
195                         tm_now.tm_mon = ibstr("month") - 1;
196                         tm_now.tm_mday = ibstr("day");
197                 }
198                 if (havebstr("hour")) {
199                         tm_now.tm_hour = ibstr("hour");
200                         tm_now.tm_min = ibstr("minute");
201                         tm_now.tm_sec = 0;
202                 }
203                 else {
204                         tm_now.tm_hour = 0;
205                         tm_now.tm_min = 0;
206                         tm_now.tm_sec = 0;
207                 }
208
209                 t_start = icaltime_from_timet_with_zone(
210                         mktime(&tm_now),
211                         ((yesbstr("alldayevent")) ? 1 : 0),
212                         icaltimezone_get_utc_timezone()
213                 );
214                 t_start.is_utc = 1;
215
216         }
217         display_icaltimetype_as_webform(&t_start, "dtstart", 0);
218
219         wprintf("<INPUT TYPE=\"checkbox\" id=\"alldayevent\" NAME=\"alldayevent\" "
220                 "VALUE=\"yes\" onclick=\"eventEditAllDay();\""
221                 " %s >%s",
222                 (t_start.is_date ? "CHECKED=\"CHECKED\"" : "" ),
223                 _("All day event")
224         );
225
226         wprintf("</TD></TR>\n");
227
228         /*
229          * If this is an all-day-event, set the end time to be identical to
230          * the start time (the hour/minute/second will be set to midnight).
231          * Otherwise extract or create it.
232          */
233         wprintf("<TR><TD><B>");
234         wprintf(_("End"));
235         wprintf("</B></TD><TD id=\"dtendcell\">\n");
236         if (t_start.is_date) {
237                 t_end = t_start;
238         }
239         else {
240                 p = icalcomponent_get_first_property(vevent,
241                                                         ICAL_DTEND_PROPERTY);
242                 if (p != NULL) {
243                         t_end = icalproperty_get_dtend(p);
244                 }
245                 else {
246                         /*
247                          * If this is not an all-day event and there is no
248                          * end time specified, make the default one hour
249                          * from the start time.
250                          */
251                         t_end = t_start;
252                         t_end.hour += 1;
253                         t_end.second = 0;
254                         t_end = icaltime_normalize(t_end);
255                         /* t_end = icaltime_from_timet(now, 0); */
256                 }
257         }
258         display_icaltimetype_as_webform(&t_end, "dtend", 0);
259         wprintf("</TD></TR>\n");
260
261         wprintf("<TR><TD><B>");
262         wprintf(_("Notes"));
263         wprintf("</B></TD><TD>\n"
264                 "<TEXTAREA NAME=\"description\" wrap=soft "
265                 "ROWS=5 COLS=72 WIDTH=72>\n"
266         );
267         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
268         if (p != NULL) {
269                 escputs((char *)icalproperty_get_comment(p));
270         }
271         wprintf("</TEXTAREA></TD></TR>");
272
273         /*
274          * For a new event, the user creating the event should be the
275          * organizer.  Set this field accordingly.
276          */
277         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
278            == NULL) {
279                 sprintf(organizer_string, "MAILTO:%s", WC->cs_inet_email);
280                 icalcomponent_add_property(vevent,
281                         icalproperty_new_organizer(organizer_string)
282                 );
283         }
284
285         /*
286          * Determine who is the organizer of this event.
287          * We need to determine "me" or "not me."
288          */
289         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
290         if (organizer != NULL) {
291                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
292                 if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
293                         strcpy(organizer_string, &organizer_string[7]);
294                         striplt(organizer_string);
295                         serv_printf("ISME %s", organizer_string);
296                         serv_getln(buf, sizeof buf);
297                         if (buf[0] == '2') {
298                                 organizer_is_me = 1;
299                         }
300                 }
301         }
302
303         wprintf("<TR><TD><B>");
304         wprintf(_("Organizer"));
305         wprintf("</B></TD><TD>");
306         escputs(organizer_string);
307         if (organizer_is_me) {
308                 wprintf(" <FONT SIZE=-1><I>");
309                 wprintf(_("(you are the organizer)"));
310                 wprintf("</I></FONT>\n");
311         }
312
313         /*
314          * Transmit the organizer as a hidden field.   We don't want the user
315          * to be able to change it, but we do want it fed back to the server,
316          * especially if this is a new event and there is no organizer already
317          * in the calendar object.
318          */
319         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
320         escputs(organizer_string);
321         wprintf("\">");
322
323         wprintf("</TD></TR>\n");
324
325         /* Transparency */
326         wprintf("<TR><TD><B>");
327         wprintf(_("Show time as:"));
328         wprintf("</B></TD><TD>");
329
330         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
331         if (p == NULL) {
332                 /* No transparency found.  Default to opaque (busy). */
333                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
334                 if (p != NULL) {
335                         icalcomponent_add_property(vevent, p);
336                 }
337         }
338         if (p != NULL) {
339                 v = icalproperty_get_value(p);
340         }
341         else {
342                 v = NULL;
343         }
344
345         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
346         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)) {
347                 wprintf(" CHECKED");
348         }
349         wprintf(">");
350         wprintf(_("Free"));
351         wprintf("&nbsp;&nbsp;");
352
353         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
354         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)) {
355                 wprintf(" CHECKED");
356         }
357         wprintf(">");
358         wprintf(_("Busy"));
359
360         wprintf("</TD></TR>\n");
361
362
363         /* Done with properties. */
364         wprintf("</TABLE>\n");
365
366         end_tab(0, 3);
367
368         /* Attendees tab (need to move things here) */
369         begin_tab(1, 3);
370         wprintf("<TABLE border=0 width=100%%>\n");      /* same table style as the event tab */
371         wprintf("<TR><TD><B>");
372         wprintf(_("Attendees"));
373         wprintf("</B><br />"
374                 "<font size=-2>");
375         wprintf(_("(One per line)"));
376         wprintf("</font>\n");
377
378         /* Pop open an address book -- begin */
379         wprintf(
380                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
381                 "title=\"%s\">"
382                 "<img align=middle border=0 width=24 height=24 src=\"static/viewcontacts_24x.gif\">"
383                 "</a>",
384                 _("Attendees"),
385                 _("Contacts")
386         );
387         /* Pop open an address book -- end */
388
389         wprintf("</TD><TD>"
390                 "<TEXTAREA %s NAME=\"attendees\" id=\"attendees_box\" wrap=soft "
391                 "ROWS=10 COLS=72 WIDTH=72>\n",
392                 (organizer_is_me ? "" : "DISABLED ")
393         );
394         i = 0;
395         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
396             attendee != NULL;
397             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
398                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
399                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
400
401                         /* screen name or email address */
402                         strcpy(attendee_string, &attendee_string[7]);
403                         striplt(attendee_string);
404                         if (i++) wprintf("\n");
405                         escputs(attendee_string);
406                         wprintf(" ");
407
408                         /* participant status */
409                         partstat_as_string(buf, attendee);
410                         escputs(buf);
411                 }
412         }
413         wprintf("</TEXTAREA></TD></TR>\n");
414         wprintf("</TABLE>\n");
415         end_tab(1, 3);
416
417         /* Recurrence tab */
418         begin_tab(2, 3);
419
420         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
421         if (rrule) {
422                 recur = icalproperty_get_rrule(rrule);
423         }
424         else {
425                 /* blank recurrence with some sensible defaults */
426                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
427                 recur.count = 3;
428                 recur.until = icaltime_null_time();
429                 recur.interval = 1;
430                 recur.freq = ICAL_WEEKLY_RECURRENCE;
431         }
432
433         wprintf("<INPUT TYPE=\"checkbox\" id=\"is_recur\" NAME=\"is_recur\" "
434                 "VALUE=\"yes\" "
435                 "onclick=\"RecurrenceShowHide();\""
436                 " %s >%s",
437                 (rrule ? "CHECKED=\"CHECKED\"" : "" ),
438                 _("This is a recurring event")
439         );
440
441         wprintf("<div id=\"rrule_div\">\n");            /* begin 'rrule_div' div */
442
443         wprintf("<table border=0 cellspacing=\"10\" width=100%%>\n");
444
445         char *frequency_units[] = {
446                 _("seconds"),
447                 _("minutes"),
448                 _("hours"),
449                 _("days"),
450                 _("weeks"),
451                 _("months"),
452                 _("years"),
453                 _("never")
454         };
455
456         char *ordinals[] = {
457                 "0",
458                 _("first"),
459                 _("second"),
460                 _("third"),
461                 _("fourth"),
462                 _("fifth")
463         };
464
465         wprintf("<tr><td><b>");
466         wprintf(_("Recurrence rule"));
467         wprintf("</b></td><td>");
468
469         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
470         wprintf("%s ", _("Repeats every"));
471
472         wprintf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
473         wprintf("value=\"%d\">&nbsp;", recur.interval);
474
475         wprintf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
476                 "onChange=\"RecurrenceShowHide();\">\n");
477         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
478                 wprintf("<option %s%svalue=\"%d\">%s</option>\n",
479                         ((i == recur.freq) ? "selected " : ""),
480                         (((i == recur.freq) || ((i>=3)&&(i<=6))) ? "" : "disabled "),
481                         i,
482                         frequency_units[i]
483                 );
484         }
485         wprintf("</select>\n");
486
487         wprintf("<div id=\"weekday_selector\">");       /* begin 'weekday_selector' div */
488         wprintf("%s<br>", _("on these weekdays:"));
489
490         char weekday_is_selected[7];
491         memset(weekday_is_selected, 0, 7);
492
493         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
494                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
495                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
496                 }
497                 else {
498                         for (j=0; j<7; ++j) {
499                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
500                                         weekday_is_selected[j] = 1;
501                                 }
502                         }
503                 }
504         }
505
506         for (j=0; j<7; ++j) {
507                 i = ((j + (int)weekstart) % 7);
508                 wprintf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
509                 if (weekday_is_selected[i]) wprintf(" checked");
510                 wprintf(">%s\n", weekday_labels[i]);
511         }
512         wprintf("</div>\n");                            /* end 'weekday_selector' div */
513
514
515
516
517
518         int which_rrmonthtype_is_preselected = 0;
519         wprintf("<div id=\"monthday_selector\">");      /* begin 'monthday_selector' div */
520
521         wprintf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_mday\" "
522                 "value=\"rrmonthtype_mday\" "
523                 "%s onChange=\"RecurrenceShowHide();\">",
524                 ((which_rrmonthtype_is_preselected == 0) ? "checked" : "")
525         );
526
527         int rrmday = t_start.day;
528         int rrmweekday = icaltime_day_of_week(t_start) - 1;
529
530         /* Figure out what week of the month we're in */
531         icaltimetype day1 = t_start;
532         day1.day = 1;
533         int weekbase = icaltime_week_number(day1);
534         int rrmweek = icaltime_week_number(t_start) - weekbase + 1;
535
536         /* Are we going by day of the month or week/day? */
537
538         if (recur.by_month_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
539                 which_rrmonthtype_is_preselected = 0;
540                 rrmday = recur.by_month_day[0];
541         }
542         else if (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
543                 which_rrmonthtype_is_preselected = 1;
544                 rrmweek = icalrecurrencetype_day_position(recur.by_day[0]);
545                 rrmweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
546         }
547
548         wprintf(_("on day %s%d%s of the month"), "<span id=\"rrmday\">", rrmday, "</span>");
549         wprintf("<br />\n");
550
551         wprintf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_wday\" "
552                 "value=\"rrmonthtype_wday\" "
553                 "%s onChange=\"RecurrenceShowHide();\">",
554                 ((which_rrmonthtype_is_preselected == 1) ? "checked" : "")
555         );
556
557         wprintf(_("on the "));
558         wprintf("<select name=\"rrmweek\" id=\"rrmweek\" size=\"1\" "
559                 "onChange=\"RecurrenceShowHide();\">\n");
560         for (i=1; i<=5; ++i) {
561                 wprintf("<option %svalue=\"%d\">%s</option>\n",
562                         ((i==rrmweek) ? "selected " : ""),
563                         i,
564                         ordinals[i]
565                 );
566         }
567         wprintf("</select> \n");
568
569         wprintf("<select name=\"rrmweekday\" id=\"rrmweekday\" size=\"1\" "
570                 "onChange=\"RecurrenceShowHide();\">\n");
571         for (j=0; j<7; ++j) {
572                 i = ((j + (int)weekstart) % 7);
573                 wprintf("<option %svalue=\"%d\">%s</option>\n",
574                         ((i==rrmweekday) ? "selected " : ""),
575                         i,
576                         weekday_labels[i]
577                 );
578         }
579         wprintf("</select>");
580
581         wprintf(" %s<br />\n", _("of the month"));
582
583         wprintf("</div>\n");                            /* end 'monthday_selector' div */
584
585
586         int rrymweek = rrmweek;
587         int rrymweekday = rrmweekday;
588         int rrymonth = t_start.month;
589         int which_rryeartype_is_preselected = 0;
590
591         if ( (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) 
592            && (recur.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX) ) {
593                 which_rryeartype_is_preselected = 1;
594                 rrymweek = icalrecurrencetype_day_position(recur.by_day[0]);
595                 rrymweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
596                 rrymonth = recur.by_month[0];
597         }
598
599         wprintf("<div id=\"yearday_selector\">");       /* begin 'yearday_selector' div */
600
601         wprintf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ymday\" "
602                 "value=\"rryeartype_ymday\" "
603                 "%s onChange=\"RecurrenceShowHide();\">",
604                 ((which_rryeartype_is_preselected == 0) ? "checked" : "")
605         );
606         wprintf(_("every "));
607         wprintf("<span id=\"ymday\">%s</span><br />", _("year on this date"));
608
609         wprintf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ywday\" "
610                 "value=\"rryeartype_ywday\" "
611                 "%s onChange=\"RecurrenceShowHide();\">",
612                 ((which_rryeartype_is_preselected == 1) ? "checked" : "")
613         );
614
615         wprintf(_("on the "));
616         wprintf("<select name=\"rrymweek\" id=\"rrymweek\" size=\"1\" "
617                 "onChange=\"RecurrenceShowHide();\">\n");
618         for (i=1; i<=5; ++i) {
619                 wprintf("<option %svalue=\"%d\">%s</option>\n",
620                         ((i==rrymweek) ? "selected " : ""),
621                         i,
622                         ordinals[i]
623                 );
624         }
625         wprintf("</select> \n");
626
627         wprintf("<select name=\"rrymweekday\" id=\"rrymweekday\" size=\"1\" "
628                 "onChange=\"RecurrenceShowHide();\">\n");
629         for (j=0; j<7; ++j) {
630                 i = ((j + (int)weekstart) % 7);
631                 wprintf("<option %svalue=\"%d\">%s</option>\n",
632                         ((i==rrymweekday) ? "selected " : ""),
633                         i,
634                         weekday_labels[i]
635                 );
636         }
637         wprintf("</select>");
638
639         wprintf(" %s ", _("of"));
640
641         wprintf("<select name=\"rrymonth\" id=\"rrymonth\" size=\"1\" "
642                 "onChange=\"RecurrenceShowHide();\">\n");
643         for (i=1; i<=12; ++i) {
644                 wprintf("<option %svalue=\"%d\">%s</option>\n",
645                         ((i==rrymonth) ? "selected " : ""),
646                         i,
647                         month_labels[i-1]
648                 );
649         }
650         wprintf("</select>");
651         wprintf("<br />\n");
652
653         wprintf("</div>\n");                            /* end 'yearday_selector' div */
654
655         wprintf("</td></tr>\n");
656
657
658         int which_rrend_is_preselected = 0;
659         if (!icaltime_is_null_time(recur.until)) which_rrend_is_preselected = 2;
660         if (recur.count > 0) which_rrend_is_preselected = 1;
661
662         wprintf("<tr><td><b>");
663         wprintf(_("Recurrence range"));
664         wprintf("</b></td><td>\n");
665
666         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_none\" "
667                 "value=\"rrend_none\" "
668                 "%s onChange=\"RecurrenceShowHide();\">",
669                 ((which_rrend_is_preselected == 0) ? "checked" : "")
670         );
671         wprintf("%s<br />\n", _("No ending date"));
672
673         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_count\" "
674                 "value=\"rrend_count\" "
675                 "%s onChange=\"RecurrenceShowHide();\">",
676                 ((which_rrend_is_preselected == 1) ? "checked" : "")
677         );
678         wprintf(_("Repeat this event"));
679         wprintf(" <input type=\"text\" name=\"rrcount\" id=\"rrcount\" maxlength=\"3\" size=\"3\" ");
680         wprintf("value=\"%d\"> ", recur.count);
681         wprintf(_("times"));
682         wprintf("<br />\n");
683
684         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_until\" "
685                 "value=\"rrend_until\" "
686                 "%s onChange=\"RecurrenceShowHide();\">",
687                 ((which_rrend_is_preselected == 2) ? "checked" : "")
688         );
689         wprintf(_("Repeat this event until "));
690
691         if (icaltime_is_null_time(recur.until)) {
692                 recur.until = icaltime_add(t_start, icaldurationtype_from_int(604800));
693         }
694         display_icaltimetype_as_webform(&recur.until, "rruntil", 1);
695         wprintf("<br />\n");
696
697         wprintf("</td></tr>\n");
698
699         wprintf("</table>\n");
700         wprintf("</div>\n");                            /* end 'rrule' div */
701
702         end_tab(2, 3);
703
704         /* submit buttons (common area beneath the tabs) */
705         begin_tab(3, 3);
706         wprintf("<CENTER>"
707                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
708                 "&nbsp;&nbsp;"
709                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
710                 "&nbsp;&nbsp;"
711                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
712                                 "VALUE=\"%s\">\n"
713                 "&nbsp;&nbsp;"
714                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
715                 "</CENTER>\n",
716                 _("Save"),
717                 _("Delete"),
718                 _("Check attendee availability"),
719                 _("Cancel")
720         );
721         wprintf("</FORM>\n");
722         end_tab(3, 3);
723
724         wprintf("</div>\n");                    /* end 'fix_scrollbar_bug' div */
725
726         StrBufAppendPrintf(WC->trailing_javascript,
727                 "eventEditAllDay();     \n"
728                 "RecurrenceShowHide();  \n"
729         );
730         address_book_popup();
731         wDumpContent(1);
732
733         if (created_new_vevent) {
734                 icalcomponent_free(vevent);
735         }
736 }
737
738 /*
739  * Save an edited event
740  *
741  * supplied_vevent:     the event to save
742  * msgnum:              the index on the citserver
743  */
744 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
745                         int unread, struct calview *calv) {
746         char buf[SIZ];
747         icalproperty *prop;
748         icalcomponent *vevent, *encaps;
749         int created_new_vevent = 0;
750         int all_day_event = 0;
751         struct icaltimetype event_start, t;
752         icalproperty *attendee = NULL;
753         char attendee_string[SIZ];
754         int i, j;
755         int foundit;
756         char form_attendees[SIZ];
757         char organizer_string[SIZ];
758         int sequence = 0;
759         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
760
761         if (supplied_vevent != NULL) {
762                 vevent = supplied_vevent;
763
764                 /* Convert all timestamps to UTC to make them easier to process. */
765                 ical_dezonify(vevent);
766
767                 /*
768                  * If we're looking at a fully encapsulated VCALENDAR
769                  * rather than a VEVENT component, attempt to use the first
770                  * relevant VEVENT subcomponent.  If there is none, the
771                  * NULL returned by icalcomponent_get_first_component() will
772                  * tell the next iteration of this function to create a
773                  * new one.
774                  */
775                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
776                         save_individual_event(
777                                 icalcomponent_get_first_component(
778                                         vevent, ICAL_VEVENT_COMPONENT), 
779                                 msgnum, from, unread, NULL
780                         );
781                         return;
782                 }
783         }
784         else {
785                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
786                 created_new_vevent = 1;
787         }
788
789         if ( (havebstr("save_button"))
790            || (havebstr("check_button")) ) {
791
792                 /* Replace values in the component with ones from the form */
793
794                 while (prop = icalcomponent_get_first_property(vevent,
795                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
796                         icalcomponent_remove_property(vevent, prop);
797                         icalproperty_free(prop);
798                 }
799
800                 if (havebstr("summary")) {
801                         icalcomponent_add_property(vevent,
802                                         icalproperty_new_summary(bstr("summary")));
803                 } else {
804                         icalcomponent_add_property(vevent,
805                                         icalproperty_new_summary(_("Untitled Event")));
806                 }
807         
808                 while (prop = icalcomponent_get_first_property(vevent,
809                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
810                         icalcomponent_remove_property(vevent, prop);
811                         icalproperty_free(prop);
812                 }
813                 if (havebstr("location")) {
814                         icalcomponent_add_property(vevent,
815                                         icalproperty_new_location(bstr("location")));
816                 }
817                 while (prop = icalcomponent_get_first_property(vevent,
818                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
819                         icalcomponent_remove_property(vevent, prop);
820                         icalproperty_free(prop);
821                 }
822                 if (havebstr("description")) {
823                         icalcomponent_add_property(vevent,
824                                 icalproperty_new_description(bstr("description")));
825                 }
826
827                 while (prop = icalcomponent_get_first_property(vevent,
828                       ICAL_DTSTART_PROPERTY), prop != NULL) {
829                         icalcomponent_remove_property(vevent, prop);
830                         icalproperty_free(prop);
831                 }
832
833                 if (yesbstr("alldayevent")) {
834                         all_day_event = 1;
835                 }
836                 else {
837                         all_day_event = 0;
838                 }
839
840                 if (all_day_event) {
841                         icaltime_from_webform_dateonly(&event_start, "dtstart");
842                 }
843                 else {
844                         icaltime_from_webform(&event_start, "dtstart");
845                 }
846
847                 prop = icalproperty_new_dtstart(event_start);
848
849                 if (all_day_event) {
850                         /* Force it to serialize as a date-only rather than date/time */
851                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
852                 }
853
854                 if (prop) icalcomponent_add_property(vevent, prop);
855                 else icalproperty_free(prop);
856
857                 while (prop = icalcomponent_get_first_property(vevent,
858                       ICAL_DTEND_PROPERTY), prop != NULL) {
859                         icalcomponent_remove_property(vevent, prop);
860                         icalproperty_free(prop);
861                 }
862                 while (prop = icalcomponent_get_first_property(vevent,
863                       ICAL_DURATION_PROPERTY), prop != NULL) {
864                         icalcomponent_remove_property(vevent, prop);
865                         icalproperty_free(prop);
866                 }
867
868                 if (all_day_event == 0) {
869                         icaltime_from_webform(&t, "dtend");     
870                         icalcomponent_add_property(vevent,
871                                 icalproperty_new_dtend(icaltime_normalize(t)
872                                 )
873                         );
874                 }
875
876                 /* recurrence rules -- begin */
877
878                 /* remove any existing rule */
879                 while (prop = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY), prop != NULL) {
880                         icalcomponent_remove_property(vevent, prop);
881                         icalproperty_free(prop);
882                 }
883
884                 if (yesbstr("is_recur")) {
885                         struct icalrecurrencetype recur;
886                         icalrecurrencetype_clear(&recur);
887
888                         recur.interval = atoi(bstr("interval"));
889                         recur.freq = atoi(bstr("freq"));
890
891                         switch(recur.freq) {
892
893                                 /* These can't happen; they're disabled. */
894                                 case ICAL_SECONDLY_RECURRENCE:
895                                         break;
896                                 case ICAL_MINUTELY_RECURRENCE:
897                                         break;
898                                 case ICAL_HOURLY_RECURRENCE:
899                                         break;
900
901                                 /* Daily is valid but there are no further inputs. */
902                                 case ICAL_DAILY_RECURRENCE:
903                                         break;
904
905                                 /* These are the real options. */
906
907                                 case ICAL_WEEKLY_RECURRENCE:
908                                         j=0;
909                                         for (i=0; i<7; ++i) {
910                                                 snprintf(buf, sizeof buf, "weekday%d", i);
911                                                 if (YESBSTR(buf)) recur.by_day[j++] =
912                                                         icalrecurrencetype_day_day_of_week(i+1);
913                                         }
914                                         recur.by_day[j++] = ICAL_RECURRENCE_ARRAY_MAX;
915                                         break;
916
917                                 case ICAL_MONTHLY_RECURRENCE:
918                                         if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_mday")) {
919                                                 recur.by_month_day[0] = event_start.day;
920                                                 recur.by_month_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
921                                         }
922                                         else if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_wday")) {
923                                                 recur.by_day[0] = (atoi(bstr("rrmweek")) * 8)
924                                                                 + atoi(bstr("rrmweekday")) + 1;
925                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
926                                         }
927                                         break;
928
929                                 case ICAL_YEARLY_RECURRENCE:
930                                         if (!strcasecmp(bstr("rryeartype"), "rryeartype_ymday")) {
931                                                 /* no further action is needed here */
932                                         }
933                                         else if (!strcasecmp(bstr("rryeartype"), "rryeartype_ywday")) {
934                                                 recur.by_month[0] = atoi(bstr("rrymonth"));
935                                                 recur.by_month[1] = ICAL_RECURRENCE_ARRAY_MAX;
936                                                 recur.by_day[0] = (atoi(bstr("rrymweek")) * 8)
937                                                                 + atoi(bstr("rrymweekday")) + 1;
938                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
939                                         }
940                                         break;
941
942                                 /* This one can't happen either. */
943                                 case ICAL_NO_RECURRENCE:
944                                         break;
945                         }
946
947                         if (!strcasecmp(bstr("rrend"), "rrend_count")) {
948                                 recur.count = atoi(bstr("rrcount"));
949                         }
950                         else if (!strcasecmp(bstr("rrend"), "rrend_until")) {
951                                 icaltime_from_webform_dateonly(&recur.until, "rruntil");
952                         }
953
954                         icalcomponent_add_property(vevent, icalproperty_new_rrule(recur));
955                 }
956
957                 /* recurrence rules -- end */
958
959                 /* See if transparency is indicated */
960                 if (havebstr("transp")) {
961                         if (!strcasecmp(bstr("transp"), "opaque")) {
962                                 formtransp = ICAL_TRANSP_OPAQUE;
963                         }
964                         else if (!strcasecmp(bstr("transp"), "transparent")) {
965                                 formtransp = ICAL_TRANSP_TRANSPARENT;
966                         }
967
968                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
969                               (prop != NULL)) {
970                                 icalcomponent_remove_property(vevent, prop);
971                                 icalproperty_free(prop);
972                         }
973
974                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
975                 }
976
977                 /* Give this event a UID if it doesn't have one. */
978                 if (icalcomponent_get_first_property(vevent,
979                    ICAL_UID_PROPERTY) == NULL) {
980                         generate_uuid(buf);
981                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
982                 }
983
984                 /* Increment the sequence ID */
985                 while (prop = icalcomponent_get_first_property(vevent,
986                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
987                         i = icalproperty_get_sequence(prop);
988                         if (i > sequence) sequence = i;
989                         icalcomponent_remove_property(vevent, prop);
990                         icalproperty_free(prop);
991                 }
992                 ++sequence;
993                 icalcomponent_add_property(vevent,
994                         icalproperty_new_sequence(sequence)
995                 );
996                 
997                 /*
998                  * Set the organizer, only if one does not already exist *and*
999                  * the form is supplying one
1000                  */
1001                 strcpy(buf, bstr("organizer"));
1002                 if ( (icalcomponent_get_first_property(vevent,
1003                    ICAL_ORGANIZER_PROPERTY) == NULL) 
1004                    && (!IsEmptyStr(buf)) ) {
1005
1006                         /* set new organizer */
1007                         sprintf(organizer_string, "MAILTO:%s", buf);
1008                         icalcomponent_add_property(vevent,
1009                                 icalproperty_new_organizer(organizer_string)
1010                         );
1011
1012                 }
1013
1014                 /*
1015                  * Add any new attendees listed in the web form
1016                  */
1017
1018                 /* First, strip out the parenthesized partstats.  */
1019                 strcpy(form_attendees, bstr("attendees"));
1020                 while ( stripout(form_attendees, '(', ')') != 0);
1021
1022                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
1023                 j = strlen(form_attendees);
1024                 for (i=0; i<j; ++i) {
1025                         if (form_attendees[i] == ',') {
1026                                 form_attendees[i] = '\n';
1027                                 while (isspace(form_attendees[i+1])) {
1028                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
1029                                 }
1030                         }
1031                 }
1032
1033                 /* Now iterate! */
1034                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1035                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1036                         striplt(buf);
1037                         if (!IsEmptyStr(buf)) {
1038                                 sprintf(attendee_string, "MAILTO:%s", buf);
1039                                 foundit = 0;
1040
1041                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1042                                         if (!strcasecmp(attendee_string,
1043                                            icalproperty_get_attendee(attendee)))
1044                                                 ++foundit;
1045                                 }
1046
1047
1048                                 if (foundit == 0) {
1049                                         icalcomponent_add_property(vevent,
1050                                                 icalproperty_new_attendee(attendee_string)
1051                                         );
1052                                 }
1053                         }
1054                 }
1055
1056                 /*
1057                  * Remove any attendees *not* listed in the web form
1058                  */
1059 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1060                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
1061                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
1062                                 strcpy(attendee_string, &attendee_string[7]);
1063                                 striplt(attendee_string);
1064                                 foundit = 0;
1065                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1066                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1067                                         striplt(buf);
1068                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
1069                                 }
1070                                 if (foundit == 0) {
1071                                         icalcomponent_remove_property(vevent, attendee);
1072                                         icalproperty_free(attendee);
1073                                         goto STARTOVER;
1074                                 }
1075                         }
1076                 }
1077
1078                 /*
1079                  * Encapsulate event into full VCALENDAR component.  Clone it first,
1080                  * for two reasons: one, it's easier to just free the whole thing
1081                  * when we're done instead of unbundling, but more importantly, we
1082                  * can't encapsulate something that may already be encapsulated
1083                  * somewhere else.
1084                  */
1085                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
1086
1087                 /* Set the method to PUBLISH */
1088                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
1089
1090                 /* If the user clicked 'Save' then save it to the server. */
1091                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
1092                         serv_puts("ENT0 1|||4|||1|");
1093                         serv_getln(buf, sizeof buf);
1094                         if (buf[0] == '8') {
1095                                 serv_puts("Content-type: text/calendar");
1096                                 serv_puts("");
1097                                 serv_puts(icalcomponent_as_ical_string(encaps));
1098                                 serv_puts("000");
1099                         }
1100                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
1101                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1102                                 }
1103                         }
1104                         if (buf[0] == '2') {
1105                                 strcpy(WC->ImportantMessage, &buf[4]);
1106                         }
1107                         icalmemory_free_ring ();
1108                         icalcomponent_free(encaps);
1109                         encaps = NULL;
1110                 }
1111
1112                 /* Or, check attendee availability if the user asked for that. */
1113                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
1114
1115                         /* Call this function, which does the real work */
1116                         check_attendee_availability(encaps);
1117
1118                         /* This displays the form again, with our annotations */
1119                         display_edit_individual_event(encaps, msgnum, from, unread, NULL);
1120
1121                         icalcomponent_free(encaps);
1122                         encaps = NULL;
1123                 }
1124                 if (encaps != NULL) {
1125                         icalcomponent_free(encaps);
1126                         encaps = NULL;
1127                 }
1128
1129         }
1130
1131         /*
1132          * If the user clicked 'Delete' then delete it.
1133          */
1134         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
1135                 serv_printf("DELE %ld", lbstr("msgnum"));
1136                 serv_getln(buf, sizeof buf);
1137         }
1138
1139         if (created_new_vevent) {
1140                 icalcomponent_free(vevent);
1141         }
1142
1143         /* If this was a save or delete, go back to the calendar or summary view. */
1144         if (!havebstr("check_button")) {
1145                 if (!strcasecmp(bstr("calview"), "summary")) {
1146                         summary();
1147                 }
1148                 else {
1149                         readloop(readfwd);
1150                 }
1151         }
1152 }