4 * Handles the HTML display of calendar items.
6 * Copyright (c) 1996-2010 by the citadel.org team
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "webserver.h"
27 /* These define how high the hour rows are in the day view */
29 #define EXTRATIMELINE (TIMELINE / 2)
31 void embeddable_mini_calendar(int year, int month)
33 struct tm starting_tm;
37 time_t previous_month;
39 time_t colheader_time;
40 struct tm colheader_tm;
41 char colheader_label[32];
46 snprintf(div_id, sizeof div_id, "mini_calendar_%d", rand() );
48 /* Determine what day to start. If an impossible value is found, start on Sunday.
50 get_pref_long("weekstart", &weekstart, 17);
51 if (weekstart > 6) weekstart = 0;
54 * Now back up to the 1st of the month...
56 memset(&starting_tm, 0, sizeof(struct tm));
58 starting_tm.tm_year = year - 1900;
59 starting_tm.tm_mon = month - 1;
60 starting_tm.tm_mday = 1;
61 thetime = mktime(&starting_tm);
63 memcpy(&tm, &starting_tm, sizeof(struct tm));
64 while (tm.tm_mday != 1) {
65 thetime = thetime - (time_t)86400; /* go back 24 hours */
66 localtime_r(&thetime, &tm);
69 /* Determine previous and next months ... for links */
70 previous_month = thetime - (time_t)864000L; /* back 10 days */
71 next_month = thetime + (time_t)(31L * 86400L); /* ahead 31 days */
73 /* Now back up until we're on the user's preferred start day */
74 localtime_r(&thetime, &tm);
75 while (tm.tm_wday != weekstart) {
76 thetime = thetime - (time_t)86400; /* go back 24 hours */
77 localtime_r(&thetime, &tm);
80 wc_printf("<div class=\"mini_calendar\" id=\"%s\">\n", div_id);
82 /* Previous month link */
83 localtime_r(&previous_month, &tm);
84 wc_printf("<a href=\"javascript:minical_change_month(%d,%d);\">«</a>",
85 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
87 wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
88 wc_printf(" "
89 "<span class=\"mini_calendar_month_label\">"
92 " ", colheader_label, year);
95 localtime_r(&next_month, &tm);
96 wc_printf("<a href=\"javascript:minical_change_month(%d,%d);\">»</a>",
97 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
99 wc_printf("<table border=0 cellpadding=1 cellspacing=1 class=\"mini_calendar_days\">"
101 colheader_time = thetime;
102 for (i=0; i<7; ++i) {
103 colheader_time = thetime + (i * 86400) ;
104 localtime_r(&colheader_time, &colheader_tm);
105 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
106 wc_printf("<th>%c</th>", colheader_label[0]);
109 wc_printf("</tr>\n");
112 /* Now do 35 or 42 days */
113 for (i = 0; i < 42; ++i) {
114 localtime_r(&thetime, &tm);
118 /* Before displaying Sunday, start a new row */
123 if (tm.tm_mon == month-1) {
124 snprintf(url, sizeof url, "readfwd?calview=day&year=%d&month=%d&day=%d",
125 tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday);
126 wc_printf("<td><a href=\"%s\">%d</a></td>", url, tm.tm_mday);
129 wc_printf("<td> </td>");
132 /* After displaying one week, end the row */
134 wc_printf("</tr>\n");
139 thetime += (time_t)86400; /* ahead 24 hours */
142 wc_printf("</table>" /* end of inner table */
145 StrBufAppendPrintf(WC->trailing_javascript,
146 " function minical_change_month(year, month) { \n"
147 " p = 'year=' + year + '&month=' + month \n"
148 " + '&r=' + CtdlRandomString(); \n"
149 " new Ajax.Updater('%s', 'mini_calendar', \n"
150 " { method: 'get', parameters: p, evalScripts: true } ); \n"
159 * ajax embedder for the above mini calendar
161 void ajax_mini_calendar(void)
163 embeddable_mini_calendar( ibstr("year"), ibstr("month"));
168 * Display one day of a whole month view of a calendar
170 void calendar_month_view_display_events(int year, int month, int day)
177 icalproperty *p = NULL;
178 icalproperty *q = NULL;
179 struct icaltimetype t;
180 struct icaltimetype end_t;
181 struct icaltimetype today_start_t;
182 struct icaltimetype today_end_t;
183 struct icaltimetype today_t;
184 struct tm starting_tm;
186 int all_day_event = 0;
192 if (GetCount(WCC->disp_cal_items) == 0) {
193 wc_printf("<br /><br /><br />\n");
198 * Create an imaginary event which spans the 24 hours of today. Any events which
199 * overlap with this one take place at least partially in this day. We have to
200 * convert it from a struct tm in order to make it UTC.
202 memset(&starting_tm, 0, sizeof(struct tm));
203 starting_tm.tm_year = year - 1900;
204 starting_tm.tm_mon = month - 1;
205 starting_tm.tm_mday = day;
206 starting_tm.tm_hour = 0;
207 starting_tm.tm_min = 0;
208 today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
209 today_start_t.is_utc = 1;
211 memset(&ending_tm, 0, sizeof(struct tm));
212 ending_tm.tm_year = year - 1900;
213 ending_tm.tm_mon = month - 1;
214 ending_tm.tm_mday = day;
215 ending_tm.tm_hour = 23;
216 ending_tm.tm_min = 59;
217 today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
218 today_end_t.is_utc = 1;
221 * Create another one without caring about the timezone for all day events.
223 today_t = icaltime_null_date();
225 today_t.month = month;
229 * Now loop through our list of events to see which ones occur today.
231 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
232 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
233 Cal = (disp_cal*)vCal;
235 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
237 t = icalproperty_get_dtstart(q);
240 memset(&t, 0, sizeof t);
242 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
244 end_t = icalproperty_get_dtend(q);
247 memset(&end_t, 0, sizeof end_t);
249 if (t.is_date) all_day_event = 1;
253 show_event = ical_ctdl_is_overlap(t, end_t, today_t, icaltime_null_time());
257 show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
261 * If we determined that this event occurs today, then display it.
264 p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
266 p = icalproperty_new_summary(_("Untitled Event"));
267 icalcomponent_add_property(Cal->cal, p);
272 wc_printf("<table border=0 cellpadding=2><TR>"
273 "<td bgcolor=\"#CCCCDD\">"
277 wc_printf("<font size=\"-1\">"
278 "<a class=\"event%s\" href=\"display_edit_event?"
279 "msgnum=%ld?calview=month?year=%d?month=%d?day=%d\""
281 (Cal->unread)?"_unread":"_read",
286 wc_printf("<i>%s: %s</i><br />", _("From"), Cal->from);
287 wc_printf("<i>%s</i> ", _("Summary:"));
288 escputs((char *)icalproperty_get_comment(p));
291 q = icalcomponent_get_first_property(
293 ICAL_LOCATION_PROPERTY);
295 wc_printf("<i>%s</i> ", _("Location:"));
296 escputs((char *)icalproperty_get_comment(q));
301 * Only show start/end times if we're actually looking at the VEVENT
302 * component. Otherwise it shows bogus dates for e.g. timezones
304 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
306 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
310 t = icalproperty_get_dtstart(q);
311 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
313 end_t = icalproperty_get_dtend(q);
317 * events with starting date/time equal
318 * ending date/time might get only
319 * DTSTART but no DTEND
329 /* end given, have to adjust it */
330 icaltime_adjust(&end_t, -1, 0, 0, 0);
332 memset(&d_tm, 0, sizeof d_tm);
333 d_tm.tm_year = t.year - 1900;
334 d_tm.tm_mon = t.month - 1;
335 d_tm.tm_mday = t.day;
336 wc_strftime(buf, sizeof buf, "%x", &d_tm);
338 if (no_end || !icaltime_compare(t, end_t)) {
339 wc_printf("<i>%s</i> %s<br>",
343 wc_printf("<i>%s</i> %s<br>",
344 _("Starting date:"), buf);
345 d_tm.tm_year = end_t.year - 1900;
346 d_tm.tm_mon = end_t.month - 1;
347 d_tm.tm_mday = end_t.day;
348 wc_strftime(buf, sizeof buf, "%x", &d_tm);
349 wc_printf("<i>%s</i> %s<br>",
350 _("Ending date:"), buf);
354 tt = icaltime_as_timet(t);
355 webcit_fmt_date(buf, 256, tt, DATEFMT_BRIEF);
356 if (no_end || !icaltime_compare(t, end_t)) {
357 wc_printf("<i>%s</i> %s<br>",
358 _("Date/time:"), buf);
361 wc_printf("<i>%s</i> %s<br>",
362 _("Starting date/time:"), buf);
363 tt = icaltime_as_timet(end_t);
364 webcit_fmt_date(buf, 256, tt, DATEFMT_BRIEF);
365 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
373 q = icalcomponent_get_first_property(Cal->cal, ICAL_DESCRIPTION_PROPERTY);
375 wc_printf("<i>%s</i> ", _("Notes:"));
376 escputs((char *)icalproperty_get_comment(q));
382 icalproperty_get_comment(p));
383 wc_printf("</a></font><br />\n");
386 wc_printf("</td></tr></table>");
400 * Display one day of a whole month view of a calendar
402 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
416 struct icaltimetype t;
418 int month, day, year;
419 int all_day_event = 0;
423 time_format = get_time_format_cached ();
425 if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
426 else timeformat="%I:%M %p";
428 localtime_r(&thetime, &today_tm);
429 month = today_tm.tm_mon + 1;
430 day = today_tm.tm_mday;
431 year = today_tm.tm_year + 1900;
433 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
434 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
435 Cal = (disp_cal*)vCal;
436 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
438 t = icalproperty_get_dtstart(p);
439 event_tt = icaltime_as_timet(t);
441 if (t.is_date) all_day_event = 1;
442 else all_day_event = 0;
445 gmtime_r(&event_tts, &event_tms);
448 localtime_r(&event_tts, &event_tms);
450 /* \todo epoch &! daymask */
451 if ((event_tms.tm_year == today_tm.tm_year)
452 && (event_tms.tm_mon == today_tm.tm_mon)
453 && (event_tms.tm_mday == today_tm.tm_mday)) {
459 p = icalcomponent_get_first_property(
461 ICAL_SUMMARY_PROPERTY);
463 p = icalproperty_new_summary(_("Untitled Event"));
464 icalcomponent_add_property(Cal->cal, p);
466 e = icalcomponent_get_first_property(
468 ICAL_DTEND_PROPERTY);
469 if ((p != NULL) && (e != NULL)) {
472 t = icalproperty_get_dtend(e);
473 event_tte = icaltime_as_timet(t);
474 localtime_r(&event_tte, &event_tme);
475 difftime=(event_tte-event_tts)/60;
476 hours=(int)(difftime / 60);
477 minutes=difftime % 60;
478 wc_printf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
480 "<a class=\"event%s\" href=\"display_edit_event?msgnum=%ld?calview=calbrief?year=%s?month=%s?day=%s\">",
483 (Cal->unread)?"_unread":"_read",
492 icalproperty_get_comment(p));
493 /* \todo: allso ammitime format */
494 wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
495 wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
497 wc_printf("</a></font></td>"
498 "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
515 * view one month. pretty view
517 void calendar_month_view(int year, int month, int day) {
518 struct tm starting_tm;
523 time_t previous_month;
525 time_t colheader_time;
527 struct tm colheader_tm;
528 char colheader_label[32];
532 * Make sure we know which day is today.
534 today_timet = time(NULL);
535 localtime_r(&today_timet, &today_tm);
538 * Determine what day to start. If an impossible value is found, start on Sunday.
540 get_pref_long("weekstart", &weekstart, 17);
541 if (weekstart > 6) weekstart = 0;
544 * Now back up to the 1st of the month...
546 memset(&starting_tm, 0, sizeof(struct tm));
548 starting_tm.tm_year = year - 1900;
549 starting_tm.tm_mon = month - 1;
550 starting_tm.tm_mday = day;
551 thetime = mktime(&starting_tm);
553 memcpy(&tm, &starting_tm, sizeof(struct tm));
554 while (tm.tm_mday != 1) {
555 thetime = thetime - (time_t)86400; /* go back 24 hours */
556 localtime_r(&thetime, &tm);
559 /* Determine previous and next months ... for links */
560 previous_month = thetime - (time_t)864000L; /* back 10 days */
561 next_month = thetime + (time_t)(31L * 86400L); /* ahead 31 days */
563 /* Now back up until we're on the user's preferred start day */
564 localtime_r(&thetime, &tm);
565 while (tm.tm_wday != weekstart) {
566 thetime = thetime - (time_t)86400; /* go back 24 hours */
567 localtime_r(&thetime, &tm);
570 /* Outer table (to get the background color) */
571 wc_printf("<div class=\"fix_scrollbar_bug\">"
572 "<table class=\"calendar\"> \n <tr><td>");
574 wc_printf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
576 wc_printf("<td align=center>");
578 localtime_r(&previous_month, &tm);
579 wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
580 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
581 wc_printf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
583 wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
584 wc_printf(" "
585 "<font size=+1 color=\"#FFFFFF\">"
588 " ", colheader_label, year);
590 localtime_r(&next_month, &tm);
591 wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
592 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
593 wc_printf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
595 wc_printf("</td></tr></table>\n");
597 /* Inner table (the real one) */
598 wc_printf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
599 "bgcolor=#204B78 id=\"inner_month\"><tr>");
600 wc_printf("<th align=center width=2%%></th>");
601 colheader_time = thetime;
602 for (i=0; i<7; ++i) {
603 colheader_time = thetime + (i * 86400) ;
604 localtime_r(&colheader_time, &colheader_tm);
605 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
606 wc_printf("<th align=center width=14%%>"
607 "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
610 wc_printf("</tr>\n");
613 /* Now do 35 or 42 days */
614 localtime_r(&thetime, &tm);
615 for (i = 0; i<42; ++i) {
617 /* Before displaying the first day of the week, start a new row */
619 wc_printf("<tr><td class=\"week_of_year\">");
620 wc_strftime(colheader_label, sizeof colheader_label, "%V", &tm);
621 wc_printf("%s ", colheader_label);
624 wc_printf("<td class=\"cal%s\"><div class=\"day\">",
625 ((tm.tm_mon != month-1) ? "out" :
626 (((tm.tm_year == today_tm.tm_year) && (tm.tm_mon == today_tm.tm_mon) && (tm.tm_mday == today_tm.tm_mday)) ? "today" :
627 ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
630 if ((i==0) || (tm.tm_mday == 1)) {
631 wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
632 wc_printf("%s ", colheader_label);
634 wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">"
641 /* put the data here, stupid */
642 calendar_month_view_display_events(
650 /* After displaying the last day of the week, end the row */
652 wc_printf("</tr>\n");
655 thetime += (time_t)86400; /* ahead 24 hours */
656 localtime_r(&thetime, &tm);
658 if ( ((i % 7) == 6) && (tm.tm_mon != month-1) && (tm.tm_mday < 15) ) {
659 i = 100; /* break out of the loop */
663 wc_printf("</table>" /* end of inner table */
664 "</td></tr></table>" /* end of outer table */
668 * Initialize the bubble tooltips.
670 * Yes, this is as stupid as it looks. Instead of just making the call
671 * to btt_enableTooltips() straight away, we have to create a timer event
672 * and let it initialize as an event after 1 millisecond. This is to
673 * work around a bug in Internet Explorer that causes it to crash if we
674 * manipulate the innerHTML of various DOM nodes while the page is still
675 * being rendered. See http://www.shaftek.org/blog/archives/000212.html
676 * for more information.
678 StrBufAppendPrintf(WC->trailing_javascript,
679 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); \n"
684 * view one month. brief view
686 void calendar_brief_month_view(int year, int month, int day) {
687 struct tm starting_tm;
691 time_t previous_month;
693 char month_label[32];
695 /* Determine what day to start.
696 * First, back up to the 1st of the month...
698 memset(&starting_tm, 0, sizeof(struct tm));
699 starting_tm.tm_year = year - 1900;
700 starting_tm.tm_mon = month - 1;
701 starting_tm.tm_mday = day;
702 thetime = mktime(&starting_tm);
704 memcpy(&tm, &starting_tm, sizeof(struct tm));
705 while (tm.tm_mday != 1) {
706 thetime = thetime - (time_t)86400; /* go back 24 hours */
707 localtime_r(&thetime, &tm);
710 /* Determine previous and next months ... for links */
711 previous_month = thetime - (time_t)864000L; /* back 10 days */
712 next_month = thetime + (time_t)(31L * 86400L); /* ahead 31 days */
714 /* Now back up until we're on a Sunday */
715 localtime_r(&thetime, &tm);
716 while (tm.tm_wday != 0) {
717 thetime = thetime - (time_t)86400; /* go back 24 hours */
718 localtime_r(&thetime, &tm);
721 /* Outer table (to get the background color) */
722 wc_printf("<div class=\"fix_scrollbar_bug\">"
723 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
724 "bgcolor=#204B78><TR><TD>\n");
726 wc_printf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
728 wc_printf("<td align=center>");
730 localtime_r(&previous_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 align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
735 wc_strftime(month_label, sizeof month_label, "%B", &tm);
736 wc_printf(" "
737 "<font size=+1 color=\"#FFFFFF\">"
740 " ", month_label, year);
742 localtime_r(&next_month, &tm);
743 wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
744 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
745 wc_printf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
747 wc_printf("</td></tr></table>\n");
749 /* Inner table (the real one) */
750 wc_printf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
751 "bgcolor=#EEEECC><TR>");
752 wc_printf("</tr>\n");
753 wc_printf("<tr><td colspan=\"100%%\">\n");
756 for (i = 0; i < 35; ++i) {
757 char weeknumber[255];
758 char weekday_name[32];
760 localtime_r(&thetime, &tm);
763 /* Before displaying Sunday, start a new CELL */
765 wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
766 wc_printf("<table border='0' bgcolor=\"#EEEECC\" width='100%%'> <tr><th colspan='4'>%s %s</th></tr>"
767 " <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
777 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
778 ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
782 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
783 wc_printf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
784 "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
786 weekday_name,tm.tm_mday,
789 /* put the data of one day here, stupid */
790 calendar_month_view_brief_events(thetime, daycolor);
793 /* After displaying Saturday, end the row */
795 wc_printf("</td></tr></table>\n");
798 thetime += (time_t)86400; /* ahead 24 hours */
801 wc_printf("</table>" /* end of inner table */
802 "</td></tr></table>" /* end of outer table */
807 * Calendar week view -- not implemented yet, this is a stub function
809 void calendar_week_view(int year, int month, int day) {
810 wc_printf("<center><i>week view FIXME</i></center><br />\n");
816 * Display events for a particular hour of a particular day.
817 * (Specify hour < 0 to show "all day" events)
819 * dstart and dend indicate which hours our "daytime" begins and end
821 void calendar_day_view_display_events(time_t thetime,
833 icalproperty *p = NULL;
834 icalproperty *q = NULL;
840 int all_day_event = 0;
841 int ongoing_event = 0;
844 struct icaltimetype t;
845 struct icaltimetype end_t;
846 struct icaltimetype today_start_t;
847 struct icaltimetype today_end_t;
848 struct icaltimetype today_t;
849 struct tm starting_tm;
860 if (GetCount(WCC->disp_cal_items) == 0) {
861 /* nothing to display */
865 /* Create an imaginary event which spans the current day. Any events which
866 * overlap with this one take place at least partially in this day.
868 memset(&starting_tm, 0, sizeof(struct tm));
869 starting_tm.tm_year = year - 1900;
870 starting_tm.tm_mon = month - 1;
871 starting_tm.tm_mday = day;
872 starting_tm.tm_hour = 0;
873 starting_tm.tm_min = 0;
874 today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
875 today_start_t.is_utc = 1;
877 memset(&ending_tm, 0, sizeof(struct tm));
878 ending_tm.tm_year = year - 1900;
879 ending_tm.tm_mon = month - 1;
880 ending_tm.tm_mday = day;
881 ending_tm.tm_hour = 23;
882 ending_tm.tm_min = 59;
883 today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
884 today_end_t.is_utc = 1;
887 * Create another one without caring about the timezone for all day events.
889 today_t = icaltime_null_date();
891 today_t.month = month;
894 /* Now loop through our list of events to see which ones occur today.
896 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
897 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
898 Cal = (disp_cal*)vCal;
903 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
905 t = icalproperty_get_dtstart(q);
906 event_tt = icaltime_as_timet(t);
907 localtime_r(&event_tt, &event_te);
910 memset(&t, 0, sizeof t);
913 if (t.is_date) all_day_event = 1;
915 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
917 end_t = icalproperty_get_dtend(q);
920 /* no end given means end = start */
921 memcpy(&end_t, &t, sizeof(struct icaltimetype));
926 show_event = ical_ctdl_is_overlap(t, end_t, today_t, icaltime_null_time());
927 if (icaltime_compare(t, end_t)) {
929 * the end date is non-inclusive so adjust it by one
930 * day because our test is inclusive, note that a day is
931 * not to much because we are talking about all day
934 icaltime_adjust(&end_t, -1, 0, 0, 0);
939 show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
942 event_tte = icaltime_as_timet(end_t);
943 localtime_r(&event_tte, &event_tm);
945 /* If we determined that this event occurs today, then display it.
947 p = icalcomponent_get_first_property(Cal->cal,ICAL_SUMMARY_PROPERTY);
949 p = icalproperty_new_summary(_("Untitled Event"));
950 icalcomponent_add_property(Cal->cal, p);
953 if ((show_event) && (p != NULL)) {
955 if ((event_te.tm_mday != day) || (event_tm.tm_mday != day)) ongoing_event = 1;
957 if (all_day_event && notime_events)
959 wc_printf("<li class=\"event_framed%s\"> "
960 "<a href=\"display_edit_event?"
961 "msgnum=%ld?calview=day?year=%d?month=%d?day=%d\" "
962 " class=\"event_title\" "
964 (Cal->unread)?"_unread":"_read",
965 Cal->cal_msgnum, year, month, day);
966 wc_printf("<i>%s</i><br />", _("All day event"));
967 wc_printf("<i>%s: %s</i><br />", _("From"), Cal->from);
968 wc_printf("<i>%s</i> ", _("Summary:"));
969 escputs((char *) icalproperty_get_comment(p));
971 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
973 wc_printf("<i>%s</i> ", _("Location:"));
974 escputs((char *)icalproperty_get_comment(q));
977 if (!icaltime_compare(t, end_t)) { /* one day only */
978 webcit_fmt_date(buf, 256, event_tt, DATEFMT_LOCALEDATE);
979 wc_printf("<i>%s</i> %s<br>", _("Date:"), buf);
982 webcit_fmt_date(buf, 256, event_tt, DATEFMT_LOCALEDATE);
983 wc_printf("<i>%s</i> %s<br>", _("Starting date:"), buf);
984 webcit_fmt_date(buf, 256, event_tte, DATEFMT_LOCALEDATE);
985 wc_printf("<i>%s</i> %s<br>", _("Ending date:"), buf);
987 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
989 wc_printf("<i>%s</i> ", _("Notes:"));
990 escputs((char *)icalproperty_get_comment(q));
994 escputs((char *) icalproperty_get_comment(p));
995 wc_printf("</a> <span>(");
996 wc_printf(_("All day event"));
997 wc_printf(")</span></li>\n");
999 else if (ongoing_event && notime_events)
1001 wc_printf("<li class=\"event_framed%s\"> "
1002 "<a href=\"display_edit_event?"
1003 "msgnum=%ld&calview=day?year=%d?month=%d?day=%d\" "
1004 " class=\"event_title\" "
1006 (Cal->unread)?"_unread":"_read",
1007 Cal->cal_msgnum, year, month, day);
1008 wc_printf("<i>%s</i><br />", _("Ongoing event"));
1009 wc_printf("<i>%s: %s</i><br />", _("From"), Cal->from);
1010 wc_printf("<i>%s</i> ", _("Summary:"));
1011 escputs((char *) icalproperty_get_comment(p));
1012 wc_printf("<br />");
1013 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1015 wc_printf("<i>%s</i> ", _("Location:"));
1016 escputs((char *)icalproperty_get_comment(q));
1017 wc_printf("<br />");
1019 webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1020 wc_printf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1021 webcit_fmt_date(buf, 256, event_tte, DATEFMT_BRIEF);
1022 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1023 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1025 wc_printf("<i>%s</i> ", _("Notes:"));
1026 escputs((char *)icalproperty_get_comment(q));
1027 wc_printf("<br />");
1030 escputs((char *) icalproperty_get_comment(p));
1031 wc_printf("</a> <span>(");
1032 wc_printf(_("Ongoing event"));
1033 wc_printf(")</span></li>\n");
1035 else if (!all_day_event && !notime_events)
1039 if (event_te.tm_mday != day) event_te.tm_hour = 0;
1040 if (event_tm.tm_mday != day) event_tm.tm_hour = 24;
1042 /* Calculate the location of the top of the box */
1043 if (event_te.tm_hour < dstart) {
1044 startmin = diffmin = event_te.tm_min / 6;
1045 top = (event_te.tm_hour * EXTRATIMELINE) + startmin;
1047 else if ((event_te.tm_hour >= dstart) && (event_te.tm_hour <= dend)) {
1048 startmin = diffmin = (event_te.tm_min / 2);
1049 top = (dstart * EXTRATIMELINE) + ((event_te.tm_hour - dstart) * TIMELINE) + startmin;
1051 else if (event_te.tm_hour >dend) {
1052 startmin = diffmin = event_te.tm_min / 6;
1053 top = (dstart * EXTRATIMELINE) + ((dend - dstart - 1) * TIMELINE) + ((event_tm.tm_hour - dend + 1) * EXTRATIMELINE) + startmin ;
1056 /* should never get here */
1059 /* Calculate the location of the bottom of the box */
1060 if (event_tm.tm_hour < dstart) {
1061 endmin = diffmin = event_tm.tm_min / 6;
1062 bottom = (event_tm.tm_hour * EXTRATIMELINE) + endmin;
1064 else if ((event_tm.tm_hour >= dstart) && (event_tm.tm_hour <= dend)) {
1065 endmin = diffmin = (event_tm.tm_min / 2);
1066 bottom = (dstart * EXTRATIMELINE) + ((event_tm.tm_hour - dstart) * TIMELINE) + endmin ;
1068 else if (event_tm.tm_hour >dend) {
1069 endmin = diffmin = event_tm.tm_min / 6;
1070 bottom = (dstart * EXTRATIMELINE) + ((dend - dstart + 1) * TIMELINE) + ((event_tm.tm_hour - dend - 1) * EXTRATIMELINE) + endmin;
1073 /* should never get here */
1076 wc_printf("<dd class=\"event_framed%s\" "
1077 "style=\"position: absolute; "
1078 "top:%dpx; left:%dpx; "
1079 "height:%dpx; \" >",
1080 (Cal->unread)?"_unread":"_read",
1081 top, (gap * 40), (bottom-top)
1083 wc_printf("<a href=\"display_edit_event?"
1084 "msgnum=%ld?calview=day?year=%d?month=%d?day=%d?hour=%d\" "
1085 "class=\"event_title\" "
1087 Cal->cal_msgnum, year, month, day, t.hour);
1088 wc_printf("<i>%s: %s</i><br />", _("From"), Cal->from);
1089 wc_printf("<i>%s</i> ", _("Summary:"));
1090 escputs((char *) icalproperty_get_comment(p));
1091 wc_printf("<br />");
1092 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1094 wc_printf("<i>%s</i> ", _("Location:"));
1095 escputs((char *)icalproperty_get_comment(q));
1096 wc_printf("<br />");
1098 if (!icaltime_compare(t, end_t)) { /* one day only */
1099 webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1100 wc_printf("<i>%s</i> %s<br>", _("Date/time:"), buf);
1103 webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1104 wc_printf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1105 webcit_fmt_date(buf, 256, event_tte, DATEFMT_BRIEF);
1106 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1108 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1110 wc_printf("<i>%s</i> ", _("Notes:"));
1111 escputs((char *)icalproperty_get_comment(q));
1112 wc_printf("<br />");
1116 escputs((char *) icalproperty_get_comment(p));
1117 wc_printf("</a></dd>\n");
1121 DeleteHashPos(&Pos);
1127 void calendar_day_view(int year, int month, int day) {
1129 struct icaltimetype today, yesterday, tomorrow;
1136 int timeline = TIMELINE;
1137 int extratimeline = EXTRATIMELINE;
1142 time_format = get_time_format_cached ();
1143 get_pref_long("daystart", &daystart, 8);
1144 get_pref_long("dayend", &dayend, 17);
1146 /* when loading daystart/dayend, replace missing, corrupt, or impossible values with defaults */
1147 if ((daystart < 0) || (dayend < 2) || (daystart >= 23) || (dayend > 23) || (dayend <= daystart)) {
1153 memset(&d_tm, 0, sizeof d_tm);
1154 d_tm.tm_year = year - 1900;
1155 d_tm.tm_mon = month - 1;
1157 today_t = mktime(&d_tm);
1159 /* Figure out the dates for "yesterday" and "tomorrow" links */
1161 memset(&today, 0, sizeof(struct icaltimetype));
1163 today.month = month;
1167 memcpy(&yesterday, &today, sizeof(struct icaltimetype));
1169 yesterday = icaltime_normalize(yesterday);
1171 memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
1173 tomorrow = icaltime_normalize(tomorrow);
1175 wc_printf("<div class=\"fix_scrollbar_bug\">");
1177 /* Inner table (the real one) */
1178 wc_printf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
1180 /* Innermost cell (contains hours etc.) */
1181 wc_printf("<td class=\"events_of_the_day\" >");
1182 wc_printf("<dl class=\"events\" >");
1184 /* Now the middle of the day... */
1186 extrahourlabel = extratimeline - 2;
1187 hourlabel = extrahourlabel * 150 / 100;
1188 if (hourlabel > (timeline - 2)) hourlabel = timeline - 2;
1190 for (hour = 0; hour < daystart; ++hour) { /* could do HEIGHT=xx */
1191 wc_printf("<dt class=\"extrahour\" "
1193 "position: absolute; "
1194 "top: %dpx; left: 0px; "
1198 "<a href=\"display_edit_event?msgnum=0"
1199 "?calview=day?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1200 (hour * extratimeline ),
1203 year, month, day, hour
1206 if (time_format == WC_TIMEFORMAT_24) {
1207 wc_printf("%2d:00</a> ", hour);
1210 wc_printf("%d:00%s</a> ",
1211 ((hour == 0) ? 12 : (hour <= 12 ? hour : hour-12)),
1212 (hour < 12 ? "am" : "pm")
1219 gap = daystart * extratimeline;
1221 for (hour = daystart; hour <= dayend; ++hour) { /* could do HEIGHT=xx */
1222 wc_printf("<dt class=\"hour\" "
1224 "position: absolute; "
1225 "top: %ldpx; left: 0px; "
1229 "<a href=\"display_edit_event?msgnum=0?calview=day"
1230 "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1231 gap + ((hour - daystart) * timeline ),
1234 year, month, day, hour
1237 if (time_format == WC_TIMEFORMAT_24) {
1238 wc_printf("%2d:00</a> ", hour);
1241 wc_printf("%d:00%s</a> ",
1242 (hour <= 12 ? hour : hour-12),
1243 (hour < 12 ? "am" : "pm")
1250 gap = gap + ((dayend - daystart + 1) * timeline);
1252 for (hour = (dayend + 1); hour < 24; ++hour) { /* could do HEIGHT=xx */
1253 wc_printf("<dt class=\"extrahour\" "
1255 "position: absolute; "
1256 "top: %ldpx; left: 0px; "
1260 "<a href=\"display_edit_event?msgnum=0?calview=day"
1261 "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1262 gap + ((hour - dayend - 1) * extratimeline ),
1265 year, month, day, hour
1268 if (time_format == WC_TIMEFORMAT_24) {
1269 wc_printf("%2d:00</a> ", hour);
1272 wc_printf("%d:00%s</a> ",
1273 (hour <= 12 ? hour : hour-12),
1274 (hour < 12 ? "am" : "pm")
1281 /* Display events with start and end times on this day */
1282 calendar_day_view_display_events(today_t, year, month, day, 0, daystart, dayend);
1285 wc_printf("</td>"); /* end of innermost table */
1287 /* Display extra events (start/end times not present or not today) in the middle column */
1288 wc_printf("<td class=\"extra_events\">");
1292 /* Display all-day events */
1293 calendar_day_view_display_events(today_t, year, month, day, 1, daystart, dayend);
1297 wc_printf("</td>"); /* end extra on the middle */
1299 wc_printf("<td width=20%% align=center valign=top>"); /* begin stuff-on-the-right */
1301 /* Begin todays-date-with-left-and-right-arrows */
1302 wc_printf("<table border=0 width=100%% "
1303 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
1307 wc_printf("<td align=center>");
1308 wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1309 yesterday.year, yesterday.month, yesterday.day);
1310 wc_printf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
1313 wc_strftime(d_str, sizeof d_str,
1315 "<font size=+2>%A</font><br />"
1316 "<font size=+2>%B</font><br />"
1317 "<font size=+3>%d</font><br />"
1318 "<font size=+2>%Y</font><br />"
1322 wc_printf("%s", d_str);
1325 wc_printf("<td align=center>");
1326 wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1327 tomorrow.year, tomorrow.month, tomorrow.day);
1328 wc_printf("<img align=middle src=\"static/nextdate_32x.gif\""
1329 " border=0></a>\n");
1332 wc_printf("</tr></table>\n");
1333 /* End todays-date-with-left-and-right-arrows */
1335 /* Embed a mini month calendar in this space */
1336 wc_printf("<br />\n");
1337 embeddable_mini_calendar(year, month);
1339 wc_printf("</font></center>\n");
1341 wc_printf("</td></tr>"); /* end stuff-on-the-right */
1343 wc_printf("</table>" /* end of inner table */
1346 StrBufAppendPrintf(WC->trailing_javascript,
1347 " setTimeout(\"btt_enableTooltips('inner_day')\", 1); \n"
1353 * Display today's events. Returns the number of items displayed.
1355 int calendar_summary_view(void) {
1357 const char *HashKey;
1362 struct icaltimetype t;
1367 int all_day_event = 0;
1368 char timestring[SIZ];
1369 wcsession *WCC = WC;
1370 int num_displayed = 0;
1372 if (GetCount(WC->disp_cal_items) == 0) {
1377 localtime_r(&now, &today_tm);
1379 Pos = GetNewHashPos(WCC->disp_cal_items, 0);
1380 while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1381 Cal = (disp_cal*)vCal;
1382 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
1384 t = icalproperty_get_dtstart(p);
1385 event_tt = icaltime_as_timet(t);
1392 fmt_time(timestring, SIZ, event_tt);
1394 if (all_day_event) {
1395 gmtime_r(&event_tt, &event_tm);
1398 localtime_r(&event_tt, &event_tm);
1401 if ( (event_tm.tm_year == today_tm.tm_year)
1402 && (event_tm.tm_mon == today_tm.tm_mon)
1403 && (event_tm.tm_mday == today_tm.tm_mday)
1406 p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
1408 p = icalproperty_new_summary(_("Untitled Task"));
1409 icalcomponent_add_property(Cal->cal, p);
1413 if (WCC->CurRoom.view == VIEW_TASKS) {
1414 wc_printf("<a href=\"display_edit_task"
1416 "?return_to_summary=1"
1420 escputs(ChrPtr(WCC->CurRoom.name));
1424 wc_printf("<a href=\"display_edit_event"
1432 today_tm.tm_year + 1900,
1433 today_tm.tm_mon + 1,
1436 escputs(ChrPtr(WCC->CurRoom.name));
1439 escputs((char *) icalproperty_get_comment(p));
1440 if (!all_day_event) {
1441 wc_printf(" (%s)", timestring);
1443 wc_printf("</a><br />\n");
1449 DeleteHashPos(&Pos);
1450 DeleteHash(&WC->disp_cal_items);
1451 return(num_displayed);
1455 * Parse the URL variables in order to determine the scope and display of a calendar view
1457 int calendar_GetParamsGetServerCall(SharedMessageStatus *Stat,
1458 void **ViewSpecific,
1463 wcsession *WCC = WC;
1471 c = (calview*) malloc(sizeof(calview));
1472 memset(c, 0, sizeof(calview));
1473 *ViewSpecific = (void*)c;
1475 Stat->load_seen = 1;
1476 strcpy(cmd, "MSGS ALL");
1477 Stat->maxmsgs = 32767;
1479 /* In case no date was specified, go with today */
1481 localtime_r(&now, &tm);
1482 c->year = tm.tm_year + 1900;
1483 c->month = tm.tm_mon + 1;
1484 c->day = tm.tm_mday;
1486 /* Now see if a date was specified */
1487 if (havebstr("year")) c->year = ibstr("year");
1488 if (havebstr("month")) c->month = ibstr("month");
1489 if (havebstr("day")) c->day = ibstr("day");
1491 /* How would you like that cooked? */
1492 if (havebstr("calview")) {
1493 strcpy(cv, bstr("calview"));
1496 strcpy(cv, "month");
1499 /* Display the selected view */
1500 if (!strcasecmp(cv, "day")) {
1501 c->view = calview_day;
1503 else if (!strcasecmp(cv, "week")) {
1504 c->view = calview_week;
1506 else if (!strcasecmp(cv, "summary")) { /* shouldn't ever happen, but just in case */
1507 c->view = calview_day;
1510 if (WCC->CurRoom.view == VIEW_CALBRIEF) {
1511 c->view = calview_brief;
1514 c->view = calview_month;
1518 /* Now try and set the lower and upper bounds so that we don't
1519 * burn too many cpu cycles parsing data way in the past or future
1522 tm.tm_year = c->year - 1900;
1523 tm.tm_mon = c->month - 1;
1524 tm.tm_mday = c->day;
1527 if (c->view == calview_month) span = 3888000;
1528 if (c->view == calview_brief) span = 3888000;
1529 if (c->view == calview_week) span = 604800;
1530 if (c->view == calview_day) span = 86400;
1531 if (c->view == calview_summary) span = 86400;
1533 c->lower_bound = now - span;
1534 c->upper_bound = now + span;
1541 * Render a calendar view from data previously loaded into memory
1543 int calendar_RenderView_or_Tail(SharedMessageStatus *Stat,
1544 void **ViewSpecific,
1547 wcsession *WCC = WC;
1548 calview *c = (calview*) *ViewSpecific;
1550 if (c->view == calview_day) {
1551 calendar_day_view(c->year, c->month, c->day);
1553 else if (c->view == calview_week) {
1554 calendar_week_view(c->year, c->month, c->day);
1557 if (WCC->CurRoom.view == VIEW_CALBRIEF) {
1558 calendar_brief_month_view(c->year, c->month, c->day);
1561 calendar_month_view(c->year, c->month, c->day);
1565 /* Free the in-memory list of calendar items */
1566 DeleteHash(&WC->disp_cal_items);