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