2 * Handles the HTML display of calendar items.
4 * Copyright (c) 1996-2012 by the citadel.org team
6 * This program is open source software. You can redistribute it and/or
7 * modify it under the terms of the GNU General Public License, version 3.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
22 #include "webserver.h"
25 /* These define how high the hour rows are in the day view */
27 #define EXTRATIMELINE (TIMELINE / 2)
29 void embeddable_mini_calendar(int year, int month)
31 struct tm starting_tm;
35 time_t previous_month;
37 time_t colheader_time;
38 struct tm colheader_tm;
39 char colheader_label[32];
44 snprintf(div_id, sizeof div_id, "mini_calendar_%d", rand() );
46 /* Determine what day to start. If an impossible value is found, start on Sunday.
48 get_pref_long("weekstart", &weekstart, 17);
49 if (weekstart > 6) weekstart = 0;
52 * Now back up to the 1st of the month...
54 memset(&starting_tm, 0, sizeof(struct tm));
56 starting_tm.tm_year = year - 1900;
57 starting_tm.tm_mon = month - 1;
58 starting_tm.tm_mday = 1;
59 thetime = mktime(&starting_tm);
61 memcpy(&tm, &starting_tm, sizeof(struct tm));
62 while (tm.tm_mday != 1) {
63 thetime = thetime - (time_t)86400; /* go back 24 hours */
64 localtime_r(&thetime, &tm);
67 /* Determine previous and next months ... for links */
68 previous_month = thetime - (time_t)864000L; /* back 10 days */
69 next_month = thetime + (time_t)(31L * 86400L); /* ahead 31 days */
71 /* Now back up until we're on the user's preferred start day */
72 localtime_r(&thetime, &tm);
73 while (tm.tm_wday != weekstart) {
74 thetime = thetime - (time_t)86400; /* go back 24 hours */
75 localtime_r(&thetime, &tm);
78 wc_printf("<div class=\"mini_calendar\" id=\"%s\">\n", div_id);
80 /* Previous month link */
81 localtime_r(&previous_month, &tm);
82 wc_printf("<a href=\"javascript:minical_change_month(%d,%d);\">«</a>",
83 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
85 wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
86 wc_printf(" "
87 "<span class=\"mini_calendar_month_label\">"
90 " ", colheader_label, year);
93 localtime_r(&next_month, &tm);
94 wc_printf("<a href=\"javascript:minical_change_month(%d,%d);\">»</a>",
95 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
97 wc_printf("<table border=\"0\" cellpadding=\"1\" cellspacing=\"1\" class=\"mini_calendar_days\">"
99 colheader_time = thetime;
100 for (i=0; i<7; ++i) {
101 colheader_time = thetime + (i * 86400) ;
102 localtime_r(&colheader_time, &colheader_tm);
103 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
104 wc_printf("<th>%c</th>", colheader_label[0]);
107 wc_printf("</tr>\n");
110 /* Now do 35 or 42 days */
111 for (i = 0; i < 42; ++i) {
112 localtime_r(&thetime, &tm);
116 /* Before displaying Sunday, start a new row */
121 if (tm.tm_mon == month-1) {
122 snprintf(url, sizeof url, "readfwd?calview=day?year=%d?month=%d?day=%d",
123 tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday);
124 wc_printf("<td><a href=\"%s\">%d</a></td>", url, tm.tm_mday);
127 wc_printf("<td> </td>");
130 /* After displaying one week, end the row */
132 wc_printf("</tr>\n");
137 thetime += (time_t)86400; /* ahead 24 hours */
140 wc_printf("</table>" /* end of inner table */
143 StrBufAppendPrintf(WC->trailing_javascript,
144 " function minical_change_month(year, month) { \n"
145 " p = 'year=' + year + '&month=' + month \n"
146 " + '&r=' + CtdlRandomString(); \n"
147 " new Ajax.Updater('%s', 'mini_calendar', \n"
148 " { method: 'get', parameters: p, evalScripts: true } ); \n"
157 * ajax embedder for the above mini calendar
159 void ajax_mini_calendar(void)
161 embeddable_mini_calendar( ibstr("year"), ibstr("month"));
166 * Display one day of a whole month view of a calendar
168 void calendar_month_view_display_events(int year, int month, int day)
175 icalproperty *p = NULL;
176 icalproperty *q = NULL;
177 struct icaltimetype t;
178 struct icaltimetype end_t;
179 struct icaltimetype today_start_t;
180 struct icaltimetype today_end_t;
181 struct icaltimetype today_t;
182 struct tm starting_tm;
184 int all_day_event = 0;
190 if (GetCount(WCC->disp_cal_items) == 0) {
196 * Create an imaginary event which spans the 24 hours of today. Any events which
197 * overlap with this one take place at least partially in this day. We have to
198 * convert it from a struct tm in order to make it UTC.
200 memset(&starting_tm, 0, sizeof(struct tm));
201 starting_tm.tm_year = year - 1900;
202 starting_tm.tm_mon = month - 1;
203 starting_tm.tm_mday = day;
204 starting_tm.tm_hour = 0;
205 starting_tm.tm_min = 0;
206 today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
207 today_start_t.is_utc = 1;
209 memset(&ending_tm, 0, sizeof(struct tm));
210 ending_tm.tm_year = year - 1900;
211 ending_tm.tm_mon = month - 1;
212 ending_tm.tm_mday = day;
213 ending_tm.tm_hour = 23;
214 ending_tm.tm_min = 59;
215 today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
216 today_end_t.is_utc = 1;
219 * Create another one without caring about the timezone for all day events.
221 today_t = icaltime_null_date();
223 today_t.month = month;
227 * Now loop through our list of events to see which ones occur today.
229 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
230 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
231 Cal = (disp_cal*)vCal;
233 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
235 t = icalproperty_get_dtstart(q);
238 memset(&t, 0, sizeof t);
240 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
242 end_t = icalproperty_get_dtend(q);
245 memset(&end_t, 0, sizeof end_t);
247 if (t.is_date) all_day_event = 1;
251 show_event = ical_ctdl_is_overlap(t, end_t, today_t, icaltime_null_time());
255 show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
259 * If we determined that this event occurs today, then display it.
263 /* time_t logtt = icaltime_as_timet(t);
264 syslog(LOG_DEBUG, "Match on %04d-%02d-%02d for event %x%s on %s",
266 (int)Cal, ((all_day_event) ? " (all day)" : ""),
270 p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
272 p = icalproperty_new_summary(_("Untitled Event"));
273 icalcomponent_add_property(Cal->cal, p);
278 wc_printf("<table border=\"0\" cellpadding=\"2\"><TR>"
279 "<td bgcolor=\"#CCCCDD\">"
284 wc_printf("<font size=\"-1\">"
285 "<a class=\"event%s\" href=\"display_edit_event?"
286 "msgnum=%ld?calview=month?year=%d?month=%d?day=%d\">"
288 (Cal->unread)?"_unread":"_read",
293 escputs((char *) icalproperty_get_comment(p));
295 wc_printf("<span class=\"tooltip\"><span class=\"btttop\"></span><span class=\"bttmiddle\">");
297 wc_printf("<i>%s: %s</i><br>", _("From"), Cal->from);
298 wc_printf("<i>%s</i> ", _("Summary:"));
299 escputs((char *)icalproperty_get_comment(p));
302 q = icalcomponent_get_first_property(
304 ICAL_LOCATION_PROPERTY);
306 wc_printf("<i>%s</i> ", _("Location:"));
307 escputs((char *)icalproperty_get_comment(q));
312 * Only show start/end times if we're actually looking at the VEVENT
313 * component. Otherwise it shows bogus dates for e.g. timezones
315 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
317 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
321 t = icalproperty_get_dtstart(q);
322 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
324 end_t = icalproperty_get_dtend(q);
328 * events with starting date/time equal
329 * ending date/time might get only
330 * DTSTART but no DTEND
340 /* end given, have to adjust it */
341 icaltime_adjust(&end_t, -1, 0, 0, 0);
343 memset(&d_tm, 0, sizeof d_tm);
344 d_tm.tm_year = t.year - 1900;
345 d_tm.tm_mon = t.month - 1;
346 d_tm.tm_mday = t.day;
347 wc_strftime(buf, sizeof buf, "%x", &d_tm);
349 if (no_end || !icaltime_compare(t, end_t)) {
350 wc_printf("<i>%s</i> %s<br>",
354 wc_printf("<i>%s</i> %s<br>",
355 _("Starting date:"), buf);
356 d_tm.tm_year = end_t.year - 1900;
357 d_tm.tm_mon = end_t.month - 1;
358 d_tm.tm_mday = end_t.day;
359 wc_strftime(buf, sizeof buf, "%x", &d_tm);
360 wc_printf("<i>%s</i> %s<br>",
361 _("Ending date:"), buf);
365 tt = icaltime_as_timet(t);
366 webcit_fmt_date(buf, 256, tt, DATEFMT_BRIEF);
367 if (no_end || !icaltime_compare(t, end_t)) {
368 wc_printf("<i>%s</i> %s<br>",
369 _("Date/time:"), buf);
372 wc_printf("<i>%s</i> %s<br>",
373 _("Starting date/time:"), buf);
374 tt = icaltime_as_timet(end_t);
375 webcit_fmt_date(buf, 256, tt, DATEFMT_BRIEF);
376 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
384 q = icalcomponent_get_first_property(Cal->cal, ICAL_DESCRIPTION_PROPERTY);
386 wc_printf("<i>%s</i> ", _("Notes:"));
387 escputs((char *)icalproperty_get_comment(q));
391 wc_printf("</span><span class=\"bttbottom\"></span></span>");
392 wc_printf("</a></font><br>\n");
395 wc_printf("</td></tr></table>");
409 * Display one day of a whole month view of a calendar
411 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
425 struct icaltimetype t;
427 int all_day_event = 0;
431 time_format = get_time_format_cached ();
433 if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
434 else timeformat="%I:%M %p";
436 localtime_r(&thetime, &today_tm);
438 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
439 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
440 Cal = (disp_cal*)vCal;
441 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
443 t = icalproperty_get_dtstart(p);
444 event_tt = icaltime_as_timet(t);
446 if (t.is_date) all_day_event = 1;
447 else all_day_event = 0;
450 gmtime_r(&event_tts, &event_tms);
453 localtime_r(&event_tts, &event_tms);
455 /* \todo epoch &! daymask */
456 if ((event_tms.tm_year == today_tm.tm_year)
457 && (event_tms.tm_mon == today_tm.tm_mon)
458 && (event_tms.tm_mday == today_tm.tm_mday)) {
464 p = icalcomponent_get_first_property(
466 ICAL_SUMMARY_PROPERTY);
468 p = icalproperty_new_summary(_("Untitled Event"));
469 icalcomponent_add_property(Cal->cal, p);
471 e = icalcomponent_get_first_property(
473 ICAL_DTEND_PROPERTY);
474 if ((p != NULL) && (e != NULL)) {
477 t = icalproperty_get_dtend(e);
478 event_tte = icaltime_as_timet(t);
479 localtime_r(&event_tte, &event_tme);
480 difftime=(event_tte-event_tts)/60;
481 hours=(int)(difftime / 60);
482 minutes=difftime % 60;
483 wc_printf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
485 "<a class=\"event%s\" href=\"display_edit_event?msgnum=%ld?calview=calbrief?year=%s?month=%s?day=%s\">",
488 (Cal->unread)?"_unread":"_read",
497 icalproperty_get_comment(p));
498 /* \todo: allso ammitime format */
499 wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
500 wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
502 wc_printf("</a></font></td>"
503 "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
520 * view one month. pretty view
522 void calendar_month_view(int year, int month, int day) {
523 struct tm starting_tm;
528 time_t previous_month;
530 time_t colheader_time;
532 struct tm colheader_tm;
533 char colheader_label[32];
537 * Make sure we know which day is today.
539 today_timet = time(NULL);
540 localtime_r(&today_timet, &today_tm);
543 * Determine what day to start. If an impossible value is found, start on Sunday.
545 get_pref_long("weekstart", &weekstart, 17);
546 if (weekstart > 6) weekstart = 0;
549 * Now back up to the 1st of the month...
551 memset(&starting_tm, 0, sizeof(struct tm));
553 starting_tm.tm_year = year - 1900;
554 starting_tm.tm_mon = month - 1;
555 starting_tm.tm_mday = day;
556 thetime = mktime(&starting_tm);
558 memcpy(&tm, &starting_tm, sizeof(struct tm));
559 while (tm.tm_mday != 1) {
560 thetime = thetime - (time_t)86400; /* go back 24 hours */
561 localtime_r(&thetime, &tm);
564 /* Determine previous and next months ... for links */
565 previous_month = thetime - (time_t)864000L; /* back 10 days */
566 next_month = thetime + (time_t)(31L * 86400L); /* ahead 31 days */
568 /* Now back up until we're on the user's preferred start day */
569 localtime_r(&thetime, &tm);
570 while (tm.tm_wday != weekstart) {
571 thetime = thetime - (time_t)86400; /* go back 24 hours */
572 localtime_r(&thetime, &tm);
575 /* Outer table (to get the background color) */
576 wc_printf("<table class=\"calendar\"> \n <tr><td>");
578 wc_printf("<table width=\"100%%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr>\n");
580 wc_printf("<td align=\"center\">");
582 localtime_r(&previous_month, &tm);
583 wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
584 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
585 wc_printf("<img alt=\"%s\" align=\"middle\" src=\"static/webcit_icons/essen/32x32/back.png\" border=\"0\"></a>\n", _("previous"));
587 wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
588 wc_printf(" "
589 "<font size=\"+1\" color=\"#FFFFFF\">"
592 " ", colheader_label, year);
594 localtime_r(&next_month, &tm);
595 wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
596 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
597 wc_printf("<img alt=\"%s\" align=\"middle\" src=\"static/webcit_icons/essen/32x32/forward.png\" border=\"0\"></A>\n", _("next"));
599 wc_printf("</td></tr></table>\n");
601 /* Inner table (the real one) */
602 wc_printf("<table width=\"100%%\" border=\"0\" cellpadding=\"1\" cellspacing=\"1\" "
603 "bgcolor='#204B78' id=\"inner_month\"><tr>");
604 wc_printf("<th align=\"center\" width=\"2%%\"></th>");
605 colheader_time = thetime;
606 for (i=0; i<7; ++i) {
607 colheader_time = thetime + (i * 86400) ;
608 localtime_r(&colheader_time, &colheader_tm);
609 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
610 wc_printf("<th align=\"center\" width=\"14%%\">"
611 "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
614 wc_printf("</tr>\n");
617 /* Now do 35 or 42 days */
618 localtime_r(&thetime, &tm);
619 for (i = 0; i<42; ++i) {
621 /* Before displaying the first day of the week, start a new row */
623 wc_printf("<tr><td class=\"week_of_year\">");
624 wc_strftime(colheader_label, sizeof colheader_label, "%V", &tm);
625 wc_printf("%s ", colheader_label);
628 wc_printf("<td class=\"cal%s\"><div class=\"day\">",
629 ((tm.tm_mon != month-1) ? "out" :
630 (((tm.tm_year == today_tm.tm_year) && (tm.tm_mon == today_tm.tm_mon) && (tm.tm_mday == today_tm.tm_mday)) ? "today" :
631 ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
634 if ((i==0) || (tm.tm_mday == 1)) {
635 wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
636 wc_printf("%s ", colheader_label);
638 wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">"
645 /* put the data here, stupid */
646 calendar_month_view_display_events(
654 /* After displaying the last day of the week, end the row */
656 wc_printf("</tr>\n");
659 thetime += (time_t)86400; /* ahead 24 hours */
660 localtime_r(&thetime, &tm);
662 if ( ((i % 7) == 6) && (tm.tm_mon != month-1) && (tm.tm_mday < 15) ) {
663 i = 100; /* break out of the loop */
667 wc_printf("</table>" /* end of inner table */
668 "</td></tr></table>\n" /* end of outer table */
673 * view one month. brief view
675 void calendar_brief_month_view(int year, int month, int day) {
676 struct tm starting_tm;
680 time_t previous_month;
682 char month_label[32];
684 /* Determine what day to start.
685 * First, back up to the 1st of the month...
687 memset(&starting_tm, 0, sizeof(struct tm));
688 starting_tm.tm_year = year - 1900;
689 starting_tm.tm_mon = month - 1;
690 starting_tm.tm_mday = day;
691 thetime = mktime(&starting_tm);
693 memcpy(&tm, &starting_tm, sizeof(struct tm));
694 while (tm.tm_mday != 1) {
695 thetime = thetime - (time_t)86400; /* go back 24 hours */
696 localtime_r(&thetime, &tm);
699 /* Determine previous and next months ... for links */
700 previous_month = thetime - (time_t)864000L; /* back 10 days */
701 next_month = thetime + (time_t)(31L * 86400L); /* ahead 31 days */
703 /* Now back up until we're on a Sunday */
704 localtime_r(&thetime, &tm);
705 while (tm.tm_wday != 0) {
706 thetime = thetime - (time_t)86400; /* go back 24 hours */
707 localtime_r(&thetime, &tm);
710 /* Outer table (to get the background color) */
711 wc_printf("<table width=\"100%%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" "
712 "bgcolor=#204B78><tr><td>\n");
714 wc_printf("<table width=\"100%%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr>\n");
716 wc_printf("<td align=\"center\">");
718 localtime_r(&previous_month, &tm);
719 wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
720 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
721 wc_printf("<img alt=\"%s\" align=\"middle\" src=\"static/webcit_icons/essen/32x32/back.png\" border=\"0\"></a>\n", _("previous"));
723 wc_strftime(month_label, sizeof month_label, "%B", &tm);
724 wc_printf(" "
725 "<font size=\"+1\" color=\"#FFFFFF\">"
728 " ", month_label, year);
730 localtime_r(&next_month, &tm);
731 wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
732 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
733 wc_printf("<img alt=\"%s\" align=\"middle\" src=\"static/webcit_icons/essen/32x32/forward.png\" border=\"0\"></a>\n", _("next"));
735 wc_printf("</td></tr></table>\n");
737 /* Inner table (the real one) */
738 wc_printf("<table width=\"100%%\" border=\"0\" cellpadding=\"1\" cellspacing=\"1\" "
739 "bgcolor=#EEEECC><TR>");
740 wc_printf("</tr>\n");
741 wc_printf("<tr><td colspan=\"100%%\">\n");
744 for (i = 0; i < 35; ++i) {
745 char weeknumber[255];
746 char weekday_name[32];
748 localtime_r(&thetime, &tm);
751 /* Before displaying Sunday, start a new CELL */
753 wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
754 wc_printf("<table border='0' bgcolor=\"#EEEECC\" width='100%%'> <tr><th colspan='4'>%s %s</th></tr>"
755 " <tr><td>%s</td><td width='70%%'>%s</td><td>%s</td><td>%s</td></tr>\n",
765 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
766 ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
770 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
771 wc_printf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
772 "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
774 weekday_name,tm.tm_mday,
777 /* put the data of one day here, stupid */
778 calendar_month_view_brief_events(thetime, daycolor);
781 /* After displaying Saturday, end the row */
783 wc_printf("</td></tr></table>\n");
786 thetime += (time_t)86400; /* ahead 24 hours */
789 wc_printf("</table>" /* end of inner table */
790 "</td></tr></table>\n" /* end of outer table */
795 * Calendar week view -- not implemented yet, this is a stub function
797 void calendar_week_view(int year, int month, int day) {
798 wc_printf("<center><i>week view FIXME</i></center><br>\n");
804 * Display events for a particular hour of a particular day.
805 * (Specify hour < 0 to show "all day" events)
807 * dstart and dend indicate which hours our "daytime" begins and end
809 void calendar_day_view_display_events(time_t thetime,
821 icalproperty *p = NULL;
822 icalproperty *q = NULL;
828 int all_day_event = 0;
829 int ongoing_event = 0;
832 struct icaltimetype t;
833 struct icaltimetype end_t;
834 struct icaltimetype today_start_t;
835 struct icaltimetype today_end_t;
836 struct icaltimetype today_t;
837 struct tm starting_tm;
848 if (GetCount(WCC->disp_cal_items) == 0) {
849 /* nothing to display */
853 /* Create an imaginary event which spans the current day. Any events which
854 * overlap with this one take place at least partially in this day.
856 memset(&starting_tm, 0, sizeof(struct tm));
857 starting_tm.tm_year = year - 1900;
858 starting_tm.tm_mon = month - 1;
859 starting_tm.tm_mday = day;
860 starting_tm.tm_hour = 0;
861 starting_tm.tm_min = 0;
862 today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
863 today_start_t.is_utc = 1;
865 memset(&ending_tm, 0, sizeof(struct tm));
866 ending_tm.tm_year = year - 1900;
867 ending_tm.tm_mon = month - 1;
868 ending_tm.tm_mday = day;
869 ending_tm.tm_hour = 23;
870 ending_tm.tm_min = 59;
871 today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
872 today_end_t.is_utc = 1;
875 * Create another one without caring about the timezone for all day events.
877 today_t = icaltime_null_date();
879 today_t.month = month;
882 /* Now loop through our list of events to see which ones occur today.
884 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
885 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
886 Cal = (disp_cal*)vCal;
891 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
893 t = icalproperty_get_dtstart(q);
894 event_tt = icaltime_as_timet(t);
895 localtime_r(&event_tt, &event_te);
898 memset(&t, 0, sizeof t);
901 if (t.is_date) all_day_event = 1;
903 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
905 end_t = icalproperty_get_dtend(q);
908 /* no end given means end = start */
909 memcpy(&end_t, &t, sizeof(struct icaltimetype));
914 show_event = ical_ctdl_is_overlap(t, end_t, today_t, icaltime_null_time());
915 if (icaltime_compare(t, end_t)) {
917 * the end date is non-inclusive so adjust it by one
918 * day because our test is inclusive, note that a day is
919 * not to much because we are talking about all day
922 icaltime_adjust(&end_t, -1, 0, 0, 0);
927 show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
930 event_tte = icaltime_as_timet(end_t);
931 localtime_r(&event_tte, &event_tm);
933 /* If we determined that this event occurs today, then display it.
935 p = icalcomponent_get_first_property(Cal->cal,ICAL_SUMMARY_PROPERTY);
937 p = icalproperty_new_summary(_("Untitled Event"));
938 icalcomponent_add_property(Cal->cal, p);
941 if ((show_event) && (p != NULL)) {
943 if ((event_te.tm_mday != day) || (event_tm.tm_mday != day)) ongoing_event = 1;
945 if (all_day_event && notime_events)
947 wc_printf("<li class=\"event_framed%s\"> "
948 "<a href=\"display_edit_event?"
949 "msgnum=%ld?calview=day?year=%d?month=%d?day=%d\" "
950 " class=\"event_title\">"
952 (Cal->unread)?"_unread":"_read",
953 Cal->cal_msgnum, year, month, day
955 escputs((char *) icalproperty_get_comment(p));
956 wc_printf("<span class=\"tooltip\"><span class=\"btttop\"></span><span class=\"bttmiddle\">");
957 wc_printf("<i>%s</i><br>", _("All day event"));
958 wc_printf("<i>%s: %s</i><br>", _("From"), Cal->from);
959 wc_printf("<i>%s</i> ", _("Summary:"));
960 escputs((char *) icalproperty_get_comment(p));
962 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
964 wc_printf("<i>%s</i> ", _("Location:"));
965 escputs((char *)icalproperty_get_comment(q));
968 if (!icaltime_compare(t, end_t)) { /* one day only */
969 webcit_fmt_date(buf, 256, event_tt, DATEFMT_LOCALEDATE);
970 wc_printf("<i>%s</i> %s<br>", _("Date:"), buf);
973 webcit_fmt_date(buf, 256, event_tt, DATEFMT_LOCALEDATE);
974 wc_printf("<i>%s</i> %s<br>", _("Starting date:"), buf);
975 webcit_fmt_date(buf, 256, event_tte, DATEFMT_LOCALEDATE);
976 wc_printf("<i>%s</i> %s<br>", _("Ending date:"), buf);
978 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
980 wc_printf("<i>%s</i> ", _("Notes:"));
981 escputs((char *)icalproperty_get_comment(q));
984 wc_printf("</span><span class=\"bttbottom\"></span></span>");
985 wc_printf("</a> <span>(");
986 wc_printf(_("All day event"));
987 wc_printf(")</span></li>\n");
989 else if (ongoing_event && notime_events)
991 wc_printf("<li class=\"event_framed%s\"> "
992 "<a href=\"display_edit_event?"
993 "msgnum=%ld&calview=day?year=%d?month=%d?day=%d\" "
994 " class=\"event_title\">"
996 (Cal->unread)?"_unread":"_read",
997 Cal->cal_msgnum, year, month, day
999 escputs((char *) icalproperty_get_comment(p));
1000 wc_printf("<span class=\"tooltip\"><span class=\"btttop\"></span><span class=\"bttmiddle\">");
1001 wc_printf("<i>%s</i><br>", _("Ongoing event"));
1002 wc_printf("<i>%s: %s</i><br>", _("From"), Cal->from);
1003 wc_printf("<i>%s</i> ", _("Summary:"));
1004 escputs((char *) icalproperty_get_comment(p));
1006 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1008 wc_printf("<i>%s</i> ", _("Location:"));
1009 escputs((char *)icalproperty_get_comment(q));
1012 webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1013 wc_printf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1014 webcit_fmt_date(buf, 256, event_tte, DATEFMT_BRIEF);
1015 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1016 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1018 wc_printf("<i>%s</i> ", _("Notes:"));
1019 escputs((char *)icalproperty_get_comment(q));
1022 wc_printf("</span><span class=\"bttbottom\"></span></span>");
1023 wc_printf("</a> <span>(");
1024 wc_printf(_("Ongoing event"));
1025 wc_printf(")</span></li>\n");
1027 else if (!all_day_event && !notime_events)
1031 if (event_te.tm_mday != day) event_te.tm_hour = 0;
1032 if (event_tm.tm_mday != day) event_tm.tm_hour = 24;
1034 /* Calculate the location of the top of the box */
1035 if (event_te.tm_hour < dstart) {
1036 startmin = diffmin = event_te.tm_min / 6;
1037 top = (event_te.tm_hour * EXTRATIMELINE) + startmin;
1039 else if ((event_te.tm_hour >= dstart) && (event_te.tm_hour <= dend)) {
1040 startmin = diffmin = (event_te.tm_min / 2);
1041 top = (dstart * EXTRATIMELINE) + ((event_te.tm_hour - dstart) * TIMELINE) + startmin;
1043 else if (event_te.tm_hour >dend) {
1044 startmin = diffmin = event_te.tm_min / 6;
1045 top = (dstart * EXTRATIMELINE) + ((dend - dstart - 1) * TIMELINE) + ((event_tm.tm_hour - dend + 1) * EXTRATIMELINE) + startmin ;
1048 /* should never get here */
1051 /* Calculate the location of the bottom of the box */
1052 if (event_tm.tm_hour < dstart) {
1053 endmin = diffmin = event_tm.tm_min / 6;
1054 bottom = (event_tm.tm_hour * EXTRATIMELINE) + endmin;
1056 else if ((event_tm.tm_hour >= dstart) && (event_tm.tm_hour <= dend)) {
1057 endmin = diffmin = (event_tm.tm_min / 2);
1058 bottom = (dstart * EXTRATIMELINE) + ((event_tm.tm_hour - dstart) * TIMELINE) + endmin ;
1060 else if (event_tm.tm_hour >dend) {
1061 endmin = diffmin = event_tm.tm_min / 6;
1062 bottom = (dstart * EXTRATIMELINE) + ((dend - dstart + 1) * TIMELINE) + ((event_tm.tm_hour - dend - 1) * EXTRATIMELINE) + endmin;
1065 /* should never get here */
1068 wc_printf("<dd class=\"event_framed%s\" "
1069 "style=\"position: absolute; "
1070 "top:%dpx; left:%dpx; "
1071 "height:%dpx; \" >",
1072 (Cal->unread)?"_unread":"_read",
1073 top, (gap * 40), (bottom-top)
1075 wc_printf("<a href=\"display_edit_event?"
1076 "msgnum=%ld?calview=day?year=%d?month=%d?day=%d?hour=%d\" "
1077 "class=\"event_title\">"
1079 Cal->cal_msgnum, year, month, day, t.hour
1081 escputs((char *) icalproperty_get_comment(p));
1082 wc_printf("<span class=\"tooltip\"><span class=\"btttop\"></span><span class=\"bttmiddle\">");
1083 wc_printf("<i>%s: %s</i><br>", _("From"), Cal->from);
1084 wc_printf("<i>%s</i> ", _("Summary:"));
1085 escputs((char *) icalproperty_get_comment(p));
1087 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1089 wc_printf("<i>%s</i> ", _("Location:"));
1090 escputs((char *)icalproperty_get_comment(q));
1093 if (!icaltime_compare(t, end_t)) { /* one day only */
1094 webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1095 wc_printf("<i>%s</i> %s<br>", _("Date/time:"), buf);
1098 webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1099 wc_printf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1100 webcit_fmt_date(buf, 256, event_tte, DATEFMT_BRIEF);
1101 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1103 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1105 wc_printf("<i>%s</i> ", _("Notes:"));
1106 escputs((char *)icalproperty_get_comment(q));
1109 wc_printf("</span><span class=\"bttbottom\"></span></span>");
1110 wc_printf("</a></dd>\n");
1114 DeleteHashPos(&Pos);
1120 void calendar_day_view(int year, int month, int day) {
1122 struct icaltimetype today, yesterday, tomorrow;
1129 int timeline = TIMELINE;
1130 int extratimeline = EXTRATIMELINE;
1135 time_format = get_time_format_cached ();
1136 get_pref_long("daystart", &daystart, 8);
1137 get_pref_long("dayend", &dayend, 17);
1139 /* when loading daystart/dayend, replace missing, corrupt, or impossible values with defaults */
1140 if ((daystart < 0) || (dayend < 2) || (daystart >= 23) || (dayend > 23) || (dayend <= daystart)) {
1146 memset(&d_tm, 0, sizeof d_tm);
1147 d_tm.tm_year = year - 1900;
1148 d_tm.tm_mon = month - 1;
1150 today_t = mktime(&d_tm);
1152 /* Figure out the dates for "yesterday" and "tomorrow" links */
1154 memset(&today, 0, sizeof(struct icaltimetype));
1156 today.month = month;
1160 memcpy(&yesterday, &today, sizeof(struct icaltimetype));
1162 yesterday = icaltime_normalize(yesterday);
1164 memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
1166 tomorrow = icaltime_normalize(tomorrow);
1168 /* Inner table (the real one) */
1169 wc_printf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
1171 /* Innermost cell (contains hours etc.) */
1172 wc_printf("<td class=\"events_of_the_day\" >");
1173 wc_printf("<dl class=\"events\" >");
1175 /* Now the middle of the day... */
1177 extrahourlabel = extratimeline - 2;
1178 hourlabel = extrahourlabel * 150 / 100;
1179 if (hourlabel > (timeline - 2)) hourlabel = timeline - 2;
1181 for (hour = 0; hour < daystart; ++hour) { /* could do HEIGHT=xx */
1182 wc_printf("<dt class=\"extrahour\">"
1183 "<a href=\"display_edit_event?msgnum=0"
1184 "?calview=day?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1185 /* TODO: what have these been used for?
1186 (hour * extratimeline ),
1190 year, month, day, hour
1193 if (time_format == WC_TIMEFORMAT_24) {
1194 wc_printf("%2d:00</a> ", hour);
1197 wc_printf("%d:00%s</a> ",
1198 ((hour == 0) ? 12 : (hour <= 12 ? hour : hour-12)),
1199 (hour < 12 ? "am" : "pm")
1206 gap = daystart * extratimeline;
1208 for (hour = daystart; hour <= dayend; ++hour) { /* could do HEIGHT=xx */
1209 wc_printf("<dt class=\"hour\">"
1210 "<a href=\"display_edit_event?msgnum=0?calview=day"
1211 "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1212 /*TODO: what have these been used for?
1213 gap + ((hour - daystart) * timeline ),
1217 year, month, day, hour
1220 if (time_format == WC_TIMEFORMAT_24) {
1221 wc_printf("%2d:00</a> ", hour);
1224 wc_printf("%d:00%s</a> ",
1225 (hour <= 12 ? hour : hour-12),
1226 (hour < 12 ? "am" : "pm")
1233 gap = gap + ((dayend - daystart + 1) * timeline);
1235 for (hour = (dayend + 1); hour < 24; ++hour) { /* could do HEIGHT=xx */
1236 wc_printf("<dt class=\"extrahour\">"
1237 "<a href=\"display_edit_event?msgnum=0?calview=day"
1238 "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1239 /*TODO: what have these been used for?
1240 gap + ((hour - dayend - 1) * extratimeline ),
1244 year, month, day, hour
1247 if (time_format == WC_TIMEFORMAT_24) {
1248 wc_printf("%2d:00</a> ", hour);
1251 wc_printf("%d:00%s</a> ",
1252 (hour <= 12 ? hour : hour-12),
1253 (hour < 12 ? "am" : "pm")
1260 /* Display events with start and end times on this day */
1261 calendar_day_view_display_events(today_t, year, month, day, 0, daystart, dayend);
1264 wc_printf("</td>"); /* end of innermost table */
1266 /* Display extra events (start/end times not present or not today) in the middle column */
1267 wc_printf("<td class=\"extra_events\">");
1271 /* Display all-day events */
1272 calendar_day_view_display_events(today_t, year, month, day, 1, daystart, dayend);
1276 wc_printf("</td>"); /* end extra on the middle */
1278 wc_printf("<td width='20%%' align=\"center\" valign=top>"); /* begin stuff-on-the-right */
1280 /* Begin todays-date-with-left-and-right-arrows */
1281 wc_printf("<table border=\"0\" width=\"100%%\" "
1282 "cellspacing=\"0\" cellpadding=\"0\" bgcolor=\"#FFFFFF\">\n");
1286 wc_printf("<td align=\"center\">");
1287 wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1288 yesterday.year, yesterday.month, yesterday.day);
1289 wc_printf("<img alt=\"previous\" align=\"middle\" src=\"static/webcit_icons/essen/32x32/back.png\" border=\"0\"></a>");
1292 wc_strftime(d_str, sizeof d_str,
1293 "<td align=\"center\">"
1294 "<font size='+2'>%A</font><br>"
1295 "<font size='+2'>%B</font><br>"
1296 "<font size='+3'>%d</font><br>"
1297 "<font size='+2'>%Y</font><br>"
1301 wc_printf("%s", d_str);
1304 wc_printf("<td align=\"center\">");
1305 wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1306 tomorrow.year, tomorrow.month, tomorrow.day);
1307 wc_printf("<img alt=\"%s\" align=\"middle\" src=\"static/webcit_icons/essen/32x32/forward.png\""
1308 " border=\"0\"></a>\n", _("next"));
1311 wc_printf("</tr></table>\n");
1312 /* End todays-date-with-left-and-right-arrows */
1314 /* Embed a mini month calendar in this space */
1315 wc_printf("<br>\n");
1316 embeddable_mini_calendar(year, month);
1318 wc_printf("</td></tr>"); /* end stuff-on-the-right */
1319 wc_printf("</table>\n"); /* end of inner table */
1324 * Display today's events. Returns the number of items displayed.
1326 int calendar_summary_view(void) {
1328 const char *HashKey;
1333 struct icaltimetype t;
1338 int all_day_event = 0;
1339 char timestring[SIZ];
1340 wcsession *WCC = WC;
1341 int num_displayed = 0;
1343 if (GetCount(WC->disp_cal_items) == 0) {
1348 localtime_r(&now, &today_tm);
1350 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
1351 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1352 Cal = (disp_cal*)vCal;
1353 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
1355 t = icalproperty_get_dtstart(p);
1356 event_tt = icaltime_as_timet(t);
1363 fmt_time(timestring, SIZ, event_tt);
1365 if (all_day_event) {
1366 gmtime_r(&event_tt, &event_tm);
1369 localtime_r(&event_tt, &event_tm);
1372 if ( (event_tm.tm_year == today_tm.tm_year)
1373 && (event_tm.tm_mon == today_tm.tm_mon)
1374 && (event_tm.tm_mday == today_tm.tm_mday)
1377 p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
1379 p = icalproperty_new_summary(_("Untitled Task"));
1380 icalcomponent_add_property(Cal->cal, p);
1384 if (WCC->CurRoom.view == VIEW_TASKS) {
1385 wc_printf("<a href=\"display_edit_task"
1387 "?return_to_summary=1"
1391 escputs(ChrPtr(WCC->CurRoom.name));
1395 wc_printf("<a href=\"display_edit_event"
1403 today_tm.tm_year + 1900,
1404 today_tm.tm_mon + 1,
1407 escputs(ChrPtr(WCC->CurRoom.name));
1410 escputs((char *) icalproperty_get_comment(p));
1411 if (!all_day_event) {
1412 wc_printf(" (%s)", timestring);
1414 wc_printf("</a><br>\n");
1420 DeleteHashPos(&Pos);
1421 DeleteHash(&WC->disp_cal_items);
1422 return(num_displayed);
1426 * Parse the URL variables in order to determine the scope and display of a calendar view
1428 int calendar_GetParamsGetServerCall(SharedMessageStatus *Stat,
1429 void **ViewSpecific,
1436 wcsession *WCC = WC;
1444 c = (calview*) malloc(sizeof(calview));
1445 memset(c, 0, sizeof(calview));
1446 *ViewSpecific = (void*)c;
1448 Stat->load_seen = 1;
1449 strcpy(cmd, "MSGS ALL");
1450 Stat->maxmsgs = 32767;
1452 /* In case no date was specified, go with today */
1454 localtime_r(&now, &tm);
1455 c->year = tm.tm_year + 1900;
1456 c->month = tm.tm_mon + 1;
1457 c->day = tm.tm_mday;
1459 /* Now see if a date was specified */
1460 if (havebstr("year")) c->year = ibstr("year");
1461 if (havebstr("month")) c->month = ibstr("month");
1462 if (havebstr("day")) c->day = ibstr("day");
1464 /* How would you like that cooked? */
1465 if (havebstr("calview")) {
1466 strcpy(cv, bstr("calview"));
1469 strcpy(cv, "month");
1472 /* Display the selected view */
1473 if (!strcasecmp(cv, "day")) {
1474 c->view = calview_day;
1476 else if (!strcasecmp(cv, "week")) {
1477 c->view = calview_week;
1479 else if (!strcasecmp(cv, "summary")) { /* shouldn't ever happen, but just in case */
1480 c->view = calview_day;
1483 if (WCC->CurRoom.view == VIEW_CALBRIEF) {
1484 c->view = calview_brief;
1487 c->view = calview_month;
1491 /* Now try and set the lower and upper bounds so that we don't
1492 * burn too many cpu cycles parsing data way in the past or future
1495 tm.tm_year = c->year - 1900;
1496 tm.tm_mon = c->month - 1;
1497 tm.tm_mday = c->day;
1500 if (c->view == calview_month) span = 3888000;
1501 if (c->view == calview_brief) span = 3888000;
1502 if (c->view == calview_week) span = 604800;
1503 if (c->view == calview_day) span = 86400;
1504 if (c->view == calview_summary) span = 86400;
1506 c->lower_bound = now - span;
1507 c->upper_bound = now + span;
1514 * Render a calendar view from data previously loaded into memory
1516 int calendar_RenderView_or_Tail(SharedMessageStatus *Stat,
1517 void **ViewSpecific,
1520 wcsession *WCC = WC;
1521 calview *c = (calview*) *ViewSpecific;
1523 if (c->view == calview_day) {
1524 calendar_day_view(c->year, c->month, c->day);
1526 else if (c->view == calview_week) {
1527 calendar_week_view(c->year, c->month, c->day);
1530 if (WCC->CurRoom.view == VIEW_CALBRIEF) {
1531 calendar_brief_month_view(c->year, c->month, c->day);
1534 calendar_month_view(c->year, c->month, c->day);
1538 /* Free the in-memory list of calendar items */
1539 DeleteHash(&WC->disp_cal_items);
1544 InitModule_CALENDAR_VIEW
1547 WebcitAddUrlHandler(HKEY("mini_calendar"), "", 0, ajax_mini_calendar, AJAX);