webcit/calendar_view.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles the HTML display of calendar items.
   5  */
   6
   7 #include "webcit.h"
   8 #include "webserver.h"
   9 #include "calendar.h"
  10
  11 /* These define how high the hour rows are in the day view */
  12 #define TIMELINE        30
  13 #define EXTRATIMELINE   (TIMELINE / 2)
  14
  15 void embeddable_mini_calendar(int year, int month)
  16 {
  17         struct tm starting_tm;
  18         struct tm tm;
  19         time_t thetime;
  20         int i;
  21         time_t previous_month;
  22         time_t next_month;
  23         time_t colheader_time;
  24         struct tm colheader_tm;
  25         char colheader_label[32];
  26         long weekstart = 0;
  27         char url[256];
  28         char div_id[256];
  29
  30         snprintf(div_id, sizeof div_id, "mini_calendar_%d", rand() );
  31
  32         /* Determine what day to start.  If an impossible value is found, start on Sunday.
  33         */
  34         get_pref_long("weekstart", &weekstart, 17);
  35         if (weekstart > 6) weekstart = 0;
  36
  37         /*
  38         * Now back up to the 1st of the month...
  39         */
  40         memset(&starting_tm, 0, sizeof(struct tm));
  41
  42         starting_tm.tm_year = year - 1900;
  43         starting_tm.tm_mon = month - 1;
  44         starting_tm.tm_mday = 1;
  45         thetime = mktime(&starting_tm);
  46
  47         memcpy(&tm, &starting_tm, sizeof(struct tm));
  48         while (tm.tm_mday != 1) {
  49                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
  50                 localtime_r(&thetime, &tm);
  51         }
  52
  53         /* Determine previous and next months ... for links */
  54         previous_month = thetime - (time_t)864000L;     /* back 10 days */
  55         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
  56
  57         /* Now back up until we're on the user's preferred start day */
  58         localtime_r(&thetime, &tm);
  59         while (tm.tm_wday != weekstart) {
  60                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
  61                 localtime_r(&thetime, &tm);
  62         }
  63
  64         wc_printf("<div class=\"mini_calendar\" id=\"%s\">\n", div_id);
  65
  66         /* Previous month link */
  67         localtime_r(&previous_month, &tm);
  68         wc_printf("<a href=\"javascript:minical_change_month(%d,%d);\">&laquo;</a>",
  69                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
  70
  71         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
  72         wc_printf("&nbsp;&nbsp;"
  73                 "<span class=\"mini_calendar_month_label\">"
  74                 "%s %d"
  75                 "</span>"
  76                 "&nbsp;&nbsp;", colheader_label, year);
  77
  78         /* Next month link */
  79         localtime_r(&next_month, &tm);
  80         wc_printf("<a href=\"javascript:minical_change_month(%d,%d);\">&raquo;</a>",
  81                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
  82
  83         wc_printf("<table border=0 cellpadding=1 cellspacing=1 class=\"mini_calendar_days\">"
  84                 "<tr>");
  85         colheader_time = thetime;
  86         for (i=0; i<7; ++i) {
  87                 colheader_time = thetime + (i * 86400) ;
  88                 localtime_r(&colheader_time, &colheader_tm);
  89                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
  90                 wc_printf("<th>%c</th>", colheader_label[0]);
  91
  92         }
  93         wc_printf("</tr>\n");
  94
  95
  96         /* Now do 35 or 42 days */
  97         for (i = 0; i < 42; ++i) {
  98                 localtime_r(&thetime, &tm);
  99
 100                 if (i < 35) {
 101
 102                         /* Before displaying Sunday, start a new row */
 103                         if ((i % 7) == 0) {
 104                                 wc_printf("<tr>");
 105                         }
 106
 107                         if (tm.tm_mon == month-1) {
 108                                 snprintf(url, sizeof url, "readfwd?calview=day&year=%d&month=%d&day=%d",
 109                                         tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday);
 110                                 wc_printf("<td><a href=\"%s\">%d</a></td>", url, tm.tm_mday);
 111                         }
 112                         else {
 113                                 wc_printf("<td> </td>");
 114                         }
 115
 116                         /* After displaying one week, end the row */
 117                         if ((i % 7) == 6) {
 118                                 wc_printf("</tr>\n");
 119                         }
 120
 121                 }
 122
 123                 thetime += (time_t)86400;               /* ahead 24 hours */
 124         }
 125
 126         wc_printf("</table>"                    /* end of inner table */
 127                 "</div>\n");
 128
 129         StrBufAppendPrintf(WC->trailing_javascript,
 130                 "       function minical_change_month(year, month) {                                    \n"
 131                 "               p = 'year=' + year + '&month=' + month                                  \n"
 132                 "                       + '&r=' + CtdlRandomString();                                   \n"
 133                 "               new Ajax.Updater('%s', 'mini_calendar',                                 \n"
 134                 "                       { method: 'get', parameters: p, evalScripts: true } );          \n"
 135                 "       }                                                                               \n"
 136                 "",
 137                 div_id
 138         );
 139
 140 }
 141
 142 /*
 143  * ajax embedder for the above mini calendar
 144  */
 145 void ajax_mini_calendar(void)
 146 {
 147         embeddable_mini_calendar( ibstr("year"), ibstr("month"));
 148 }
 149
 150
 151 /*
 152  * Display one day of a whole month view of a calendar
 153  */
 154 void calendar_month_view_display_events(int year, int month, int day)
 155 {
 156         long hklen;
 157         const char *HashKey;
 158         void *vCal;
 159         HashPos *Pos;
 160         disp_cal *Cal;
 161         icalproperty *p = NULL;
 162         icalproperty *q = NULL;
 163         struct icaltimetype t;
 164         struct icaltimetype end_t;
 165         struct icaltimetype today_start_t;
 166         struct icaltimetype today_end_t;
 167         struct icaltimetype today_t;
 168         struct tm starting_tm;
 169         struct tm ending_tm;
 170         int all_day_event = 0;
 171         int show_event = 0;
 172         char buf[256];
 173         wcsession *WCC = WC;
 174         time_t tt;
 175
 176         if (GetCount(WCC->disp_cal_items) == 0) {
 177                 wc_printf("<br /><br /><br />\n");
 178                 return;
 179         }
 180
 181         /*
 182          * Create an imaginary event which spans the 24 hours of today.  Any events which
 183          * overlap with this one take place at least partially in this day.  We have to
 184          * convert it from a struct tm in order to make it UTC.
 185          */
 186         memset(&starting_tm, 0, sizeof(struct tm));
 187         starting_tm.tm_year = year - 1900;
 188         starting_tm.tm_mon = month - 1;
 189         starting_tm.tm_mday = day;
 190         starting_tm.tm_hour = 0;
 191         starting_tm.tm_min = 0;
 192         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 193         today_start_t.is_utc = 1;
 194
 195         memset(&ending_tm, 0, sizeof(struct tm));
 196         ending_tm.tm_year = year - 1900;
 197         ending_tm.tm_mon = month - 1;
 198         ending_tm.tm_mday = day;
 199         ending_tm.tm_hour = 23;
 200         ending_tm.tm_min = 59;
 201         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 202         today_end_t.is_utc = 1;
 203
 204         /*
 205          * Create another one without caring about the timezone for all day events.
 206          */
 207         today_t = icaltime_null_date();
 208         today_t.year = year;
 209         today_t.month = month;
 210         today_t.day = day;
 211
 212         /*
 213          * Now loop through our list of events to see which ones occur today.
 214          */
 215         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 216         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 217                 Cal = (disp_cal*)vCal;
 218                 all_day_event = 0;
 219                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 220                 if (q != NULL) {
 221                         t = icalproperty_get_dtstart(q);
 222                 }
 223                 else {
 224                         memset(&t, 0, sizeof t);
 225                 }
 226                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 227                 if (q != NULL) {
 228                         end_t = icalproperty_get_dtend(q);
 229                 }
 230                 else {
 231                         memset(&end_t, 0, sizeof end_t);
 232                 }
 233                 if (t.is_date) all_day_event = 1;
 234
 235                 if (all_day_event)
 236                 {
 237                         show_event = ical_ctdl_is_overlap(t, end_t, today_t, icaltime_null_time());
 238                 }
 239                 else
 240                 {
 241                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 242                 }
 243
 244                 /*
 245                  * If we determined that this event occurs today, then display it.
 246                  */
 247                 if (show_event) {
 248                         p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
 249                         if (p == NULL) {
 250                                 p = icalproperty_new_summary(_("Untitled Event"));
 251                                 icalcomponent_add_property(Cal->cal, p);
 252                         }
 253                         if (p != NULL) {
 254
 255                                 if (all_day_event) {
 256                                         wc_printf("<table border=0 cellpadding=2><TR>"
 257                                                 "<td bgcolor=\"#CCCCDD\">"
 258                                                 );
 259                                 }
 260
 261                                 wc_printf("<font size=\"-1\">"
 262                                         "<a class=\"event%s\" href=\"display_edit_event?"
 263                                         "msgnum=%ld?calview=month?year=%d?month=%d?day=%d\""
 264                                         " btt_tooltext=\"",
 265                                         (Cal->unread)?"_unread":"_read",
 266                                         Cal->cal_msgnum,
 267                                         year, month, day
 268                                         );
 269
 270                                 wc_printf("<i>%s: %s</i><br />", _("From"), Cal->from);
 271                                 wc_printf("<i>%s</i> ",          _("Summary:"));
 272                                 escputs((char *)icalproperty_get_comment(p));
 273                                 wc_printf("<br />");
 274
 275                                 q = icalcomponent_get_first_property(
 276                                         Cal->cal,
 277                                         ICAL_LOCATION_PROPERTY);
 278                                 if (q) {
 279                                         wc_printf("<i>%s</i> ", _("Location:"));
 280                                         escputs((char *)icalproperty_get_comment(q));
 281                                         wc_printf("<br />");
 282                                 }
 283
 284                                 /*
 285                                  * Only show start/end times if we're actually looking at the VEVENT
 286                                  * component.  Otherwise it shows bogus dates for e.g. timezones
 287                                  */
 288                                 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
 289
 290                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 291                                         if (q != NULL) {
 292                                                 int no_end = 0;
 293
 294                                                 t = icalproperty_get_dtstart(q);
 295                                                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 296                                                 if (q != NULL) {
 297                                                         end_t = icalproperty_get_dtend(q);
 298                                                 }
 299                                                 else {
 300                                                         /*
 301                                                          * events with starting date/time equal
 302                                                          * ending date/time might get only
 303                                                          * DTSTART but no DTEND
 304                                                          */
 305                                                         no_end = 1;
 306                                                 }
 307
 308                                                 if (t.is_date) {
 309                                                         /* all day event */
 310                                                         struct tm d_tm;
 311
 312                                                         if (!no_end) {
 313                                                                 /* end given, have to adjust it */
 314                                                                 icaltime_adjust(&end_t, -1, 0, 0, 0);
 315                                                         }
 316                                                         memset(&d_tm, 0, sizeof d_tm);
 317                                                         d_tm.tm_year = t.year - 1900;
 318                                                         d_tm.tm_mon = t.month - 1;
 319                                                         d_tm.tm_mday = t.day;
 320                                                         wc_strftime(buf, sizeof buf, "%x", &d_tm);
 321
 322                                                         if (no_end || !icaltime_compare(t, end_t)) {
 323                                                                 wc_printf("<i>%s</i> %s<br>",
 324                                                                         _("Date:"), buf);
 325                                                         }
 326                                                         else {
 327                                                                 wc_printf("<i>%s</i> %s<br>",
 328                                                                         _("Starting date:"), buf);
 329                                                                 d_tm.tm_year = end_t.year - 1900;
 330                                                                 d_tm.tm_mon = end_t.month - 1;
 331                                                                 d_tm.tm_mday = end_t.day;
 332                                                                 wc_strftime(buf, sizeof buf, "%x", &d_tm);
 333                                                                 wc_printf("<i>%s</i> %s<br>",
 334                                                                         _("Ending date:"), buf);
 335                                                         }
 336                                                 }
 337                                                 else {
 338                                                         tt = icaltime_as_timet(t);
 339                                                         webcit_fmt_date(buf, 256, tt, DATEFMT_BRIEF);
 340                                                         if (no_end || !icaltime_compare(t, end_t)) {
 341                                                                 wc_printf("<i>%s</i> %s<br>",
 342                                                                         _("Date/time:"), buf);
 343                                                         }
 344                                                         else {
 345                                                                 wc_printf("<i>%s</i> %s<br>",
 346                                                                         _("Starting date/time:"), buf);
 347                                                                 tt = icaltime_as_timet(end_t);
 348                                                                 webcit_fmt_date(buf, 256, tt, DATEFMT_BRIEF);
 349                                                                 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 350                                                         }
 351
 352                                                 }
 353                                         }
 354
 355                                 }
 356
 357                                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DESCRIPTION_PROPERTY);
 358                                 if (q) {
 359                                         wc_printf("<i>%s</i> ", _("Notes:"));
 360                                         escputs((char *)icalproperty_get_comment(q));
 361                                         wc_printf("<br />");
 362                                 }
 363
 364                                 wc_printf("\">");
 365                                 escputs((char *)
 366                                         icalproperty_get_comment(p));
 367                                 wc_printf("</a></font><br />\n");
 368
 369                                 if (all_day_event) {
 370                                         wc_printf("</td></tr></table>");
 371                                 }
 372
 373                         }
 374
 375                 }
 376
 377
 378         }
 379         DeleteHashPos(&Pos);
 380 }
 381
 382
 383 /*
 384  * Display one day of a whole month view of a calendar
 385  */
 386 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 387         long hklen;
 388         const char *HashKey;
 389         void *vCal;
 390         HashPos *Pos;
 391         time_t event_tt;
 392         time_t event_tts;
 393         time_t event_tte;
 394         wcsession *WCC = WC;
 395         struct tm event_tms;
 396         struct tm event_tme;
 397         struct tm today_tm;
 398         icalproperty *p;
 399         icalproperty *e;
 400         struct icaltimetype t;
 401         disp_cal *Cal;
 402         int month, day, year;
 403         int all_day_event = 0;
 404         char *timeformat;
 405         int time_format;
 406
 407         time_format = get_time_format_cached ();
 408
 409         if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
 410         else timeformat="%I:%M %p";
 411
 412         localtime_r(&thetime, &today_tm);
 413         month = today_tm.tm_mon + 1;
 414         day = today_tm.tm_mday;
 415         year = today_tm.tm_year + 1900;
 416
 417         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 418         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 419                 Cal = (disp_cal*)vCal;
 420                 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 421                 if (p != NULL) {
 422                         t = icalproperty_get_dtstart(p);
 423                         event_tt = icaltime_as_timet(t);
 424                         event_tts=event_tt;
 425                         if (t.is_date) all_day_event = 1;
 426                         else all_day_event = 0;
 427
 428                         if (all_day_event) {
 429                                 gmtime_r(&event_tts, &event_tms);
 430                         }
 431                         else {
 432                                 localtime_r(&event_tts, &event_tms);
 433                         }
 434                         /* \todo epoch &! daymask */
 435                         if ((event_tms.tm_year == today_tm.tm_year)
 436                                 && (event_tms.tm_mon == today_tm.tm_mon)
 437                         && (event_tms.tm_mday == today_tm.tm_mday)) {
 438
 439
 440                         char sbuf[255];
 441                         char ebuf[255];
 442
 443                         p = icalcomponent_get_first_property(
 444                                 Cal->cal,
 445                                 ICAL_SUMMARY_PROPERTY);
 446                         if (p == NULL) {
 447                                 p = icalproperty_new_summary(_("Untitled Event"));
 448                                 icalcomponent_add_property(Cal->cal, p);
 449                         }
 450                         e = icalcomponent_get_first_property(
 451                                 Cal->cal,
 452                                 ICAL_DTEND_PROPERTY);
 453                         if ((p != NULL) && (e != NULL)) {
 454                                 time_t difftime;
 455                                 int hours, minutes;
 456                                 t = icalproperty_get_dtend(e);
 457                                 event_tte = icaltime_as_timet(t);
 458                                 localtime_r(&event_tte, &event_tme);
 459                                 difftime=(event_tte-event_tts)/60;
 460                                 hours=(int)(difftime / 60);
 461                                 minutes=difftime % 60;
 462                                 wc_printf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 463                                         "<font size=\"-1\">"
 464                                         "<a class=\"event%s\" href=\"display_edit_event?msgnum=%ld?calview=calbrief?year=%s?month=%s?day=%s\">",
 465                                         daycolor,
 466                                         hours, minutes,
 467                                         (Cal->unread)?"_unread":"_read",
 468                                         daycolor,
 469                                         Cal->cal_msgnum,
 470                                         bstr("year"),
 471                                         bstr("month"),
 472                                         bstr("day")
 473                                         );
 474
 475                                 escputs((char *)
 476                                         icalproperty_get_comment(p));
 477                                 /* \todo: allso ammitime format */
 478                                 wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 479                                 wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 480
 481                                 wc_printf("</a></font></td>"
 482                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 483                                         daycolor,
 484                                         sbuf,
 485                                         daycolor,
 486                                         ebuf);
 487                                 }
 488
 489                         }
 490
 491
 492                 }
 493         }
 494         DeleteHashPos(&Pos);
 495 }
 496
 497
 498 /*
 499  * view one month. pretty view
 500  */
 501 void calendar_month_view(int year, int month, int day) {
 502         struct tm starting_tm;
 503         struct tm tm;
 504         time_t thetime;
 505         int i;
 506         time_t previous_month;
 507         time_t next_month;
 508         time_t colheader_time;
 509         struct tm colheader_tm;
 510         char colheader_label[32];
 511         long weekstart = 0;
 512
 513         /*
 514          * Determine what day to start.  If an impossible value is found, start on Sunday.
 515          */
 516         get_pref_long("weekstart", &weekstart, 17);
 517         if (weekstart > 6) weekstart = 0;
 518
 519         /*
 520          * Now back up to the 1st of the month...
 521          */
 522         memset(&starting_tm, 0, sizeof(struct tm));
 523
 524         starting_tm.tm_year = year - 1900;
 525         starting_tm.tm_mon = month - 1;
 526         starting_tm.tm_mday = day;
 527         thetime = mktime(&starting_tm);
 528
 529         memcpy(&tm, &starting_tm, sizeof(struct tm));
 530         while (tm.tm_mday != 1) {
 531                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 532                 localtime_r(&thetime, &tm);
 533         }
 534
 535         /* Determine previous and next months ... for links */
 536         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 537         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 538
 539         /* Now back up until we're on the user's preferred start day */
 540         localtime_r(&thetime, &tm);
 541         while (tm.tm_wday != weekstart) {
 542                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 543                 localtime_r(&thetime, &tm);
 544         }
 545
 546         /* Outer table (to get the background color) */
 547         wc_printf("<div class=\"fix_scrollbar_bug\">"
 548                 "<table class=\"calendar\"> \n <tr><td>");
 549
 550         wc_printf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 551
 552         wc_printf("<td align=center>");
 553
 554         localtime_r(&previous_month, &tm);
 555         wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 556                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 557         wc_printf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 558
 559         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 560         wc_printf("&nbsp;&nbsp;"
 561                 "<font size=+1 color=\"#FFFFFF\">"
 562                 "%s %d"
 563                 "</font>"
 564                 "&nbsp;&nbsp;", colheader_label, year);
 565
 566         localtime_r(&next_month, &tm);
 567         wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 568                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 569         wc_printf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 570
 571         wc_printf("</td></tr></table>\n");
 572
 573         /* Inner table (the real one) */
 574         wc_printf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 575                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 576         wc_printf("<th align=center width=2%%></th>");
 577         colheader_time = thetime;
 578         for (i=0; i<7; ++i) {
 579                 colheader_time = thetime + (i * 86400) ;
 580                 localtime_r(&colheader_time, &colheader_tm);
 581                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 582                 wc_printf("<th align=center width=14%%>"
 583                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 584
 585         }
 586         wc_printf("</tr>\n");
 587
 588
 589         /* Now do 35 or 42 days */
 590         localtime_r(&thetime, &tm);
 591         for (i = 0; i<42; ++i) {
 592
 593                 /* Before displaying the first day of the week, start a new row */
 594                 if ((i % 7) == 0) {
 595                         wc_printf("<tr><td class=\"week_of_year\">");
 596                         wc_strftime(colheader_label, sizeof colheader_label, "%V", &tm);
 597                         wc_printf("%s ", colheader_label);
 598                 }
 599
 600                 wc_printf("<td class=\"cal%s\"><div class=\"day\">",
 601                         ((tm.tm_mon != month-1) ? "out" :
 602                                 ((tm.tm_mday == day) ? "today" :
 603                                 ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
 604                                         "day")))
 605                         );
 606                 if ((i==0) || (tm.tm_mday == 1)) {
 607                         wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 608                         wc_printf("%s ", colheader_label);
 609                 }
 610                 wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">"
 611                         "%d</a></div>",
 612                         tm.tm_year + 1900,
 613                         tm.tm_mon + 1,
 614                         tm.tm_mday,
 615                         tm.tm_mday);
 616
 617                 /* put the data here, stupid */
 618                 calendar_month_view_display_events(
 619                         tm.tm_year + 1900,
 620                         tm.tm_mon + 1,
 621                         tm.tm_mday
 622                         );
 623
 624                 wc_printf("</td>");
 625
 626                 /* After displaying the last day of the week, end the row */
 627                 if ((i % 7) == 6) {
 628                         wc_printf("</tr>\n");
 629                 }
 630
 631                 thetime += (time_t)86400;               /* ahead 24 hours */
 632                 localtime_r(&thetime, &tm);
 633
 634                 if ( ((i % 7) == 6) && (tm.tm_mon != month-1) && (tm.tm_mday < 15) ) {
 635                         i = 100;        /* break out of the loop */
 636                 }
 637         }
 638
 639         wc_printf("</table>"                    /* end of inner table */
 640                 "</td></tr></table>"            /* end of outer table */
 641                 "</div>\n");
 642
 643         /*
 644          * Initialize the bubble tooltips.
 645          *
 646          * Yes, this is as stupid as it looks.  Instead of just making the call
 647          * to btt_enableTooltips() straight away, we have to create a timer event
 648          * and let it initialize as an event after 1 millisecond.  This is to
 649          * work around a bug in Internet Explorer that causes it to crash if we
 650          * manipulate the innerHTML of various DOM nodes while the page is still
 651          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 652          * for more information.
 653          */
 654         StrBufAppendPrintf(WC->trailing_javascript,
 655                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); \n"
 656         );
 657 }
 658
 659 /*
 660  * view one month. brief view
 661  */
 662 void calendar_brief_month_view(int year, int month, int day) {
 663         struct tm starting_tm;
 664         struct tm tm;
 665         time_t thetime;
 666         int i;
 667         time_t previous_month;
 668         time_t next_month;
 669         char month_label[32];
 670
 671         /* Determine what day to start.
 672          * First, back up to the 1st of the month...
 673          */
 674         memset(&starting_tm, 0, sizeof(struct tm));
 675         starting_tm.tm_year = year - 1900;
 676         starting_tm.tm_mon = month - 1;
 677         starting_tm.tm_mday = day;
 678         thetime = mktime(&starting_tm);
 679
 680         memcpy(&tm, &starting_tm, sizeof(struct tm));
 681         while (tm.tm_mday != 1) {
 682                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 683                 localtime_r(&thetime, &tm);
 684         }
 685
 686         /* Determine previous and next months ... for links */
 687         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 688         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 689
 690         /* Now back up until we're on a Sunday */
 691         localtime_r(&thetime, &tm);
 692         while (tm.tm_wday != 0) {
 693                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 694                 localtime_r(&thetime, &tm);
 695         }
 696
 697         /* Outer table (to get the background color) */
 698         wc_printf("<div class=\"fix_scrollbar_bug\">"
 699                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 700                 "bgcolor=#204B78><TR><TD>\n");
 701
 702         wc_printf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 703
 704         wc_printf("<td align=center>");
 705
 706         localtime_r(&previous_month, &tm);
 707         wc_printf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 708                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 709         wc_printf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 710
 711         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 712         wc_printf("&nbsp;&nbsp;"
 713                 "<font size=+1 color=\"#FFFFFF\">"
 714                 "%s %d"
 715                 "</font>"
 716                 "&nbsp;&nbsp;", month_label, year);
 717
 718         localtime_r(&next_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 align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 722
 723         wc_printf("</td></tr></table>\n");
 724
 725         /* Inner table (the real one) */
 726         wc_printf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 727                 "bgcolor=#EEEECC><TR>");
 728         wc_printf("</tr>\n");
 729         wc_printf("<tr><td colspan=\"100%%\">\n");
 730
 731         /* Now do 35 days */
 732         for (i = 0; i < 35; ++i) {
 733                 char weeknumber[255];
 734                 char weekday_name[32];
 735                 char *daycolor;
 736                 localtime_r(&thetime, &tm);
 737
 738
 739                 /* Before displaying Sunday, start a new CELL */
 740                 if ((i % 7) == 0) {
 741                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 742                         wc_printf("<table border='0' bgcolor=\"#EEEECC\" width='100%%'> <tr><th colspan='4'>%s %s</th></tr>"
 743                                 "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 744                                 _("Week"),
 745                                 weeknumber,
 746                                 _("Hours"),
 747                                 _("Subject"),
 748                                 _("Start"),
 749                                 _("End")
 750                                 );
 751                 }
 752
 753                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 754                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 755                                 "FFFFFF"));
 756
 757                 /* Day Header */
 758                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 759                 wc_printf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 760                         "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 761                         daycolor,
 762                         weekday_name,tm.tm_mday,
 763                         daycolor);
 764
 765                 /* put the data of one day  here, stupid */
 766                 calendar_month_view_brief_events(thetime, daycolor);
 767
 768
 769                 /* After displaying Saturday, end the row */
 770                 if ((i % 7) == 6) {
 771                         wc_printf("</td></tr></table>\n");
 772                 }
 773
 774                 thetime += (time_t)86400;               /* ahead 24 hours */
 775         }
 776
 777         wc_printf("</table>"                    /* end of inner table */
 778                 "</td></tr></table>"            /* end of outer table */
 779                 "</div>\n");
 780 }
 781
 782 /*
 783  * Calendar week view -- not implemented yet, this is a stub function
 784  */
 785 void calendar_week_view(int year, int month, int day) {
 786         wc_printf("<center><i>week view FIXME</i></center><br />\n");
 787 }
 788
 789
 790 /*
 791  * display one day
 792  * Display events for a particular hour of a particular day.
 793  * (Specify hour < 0 to show "all day" events)
 794  *
 795  * dstart and dend indicate which hours our "daytime" begins and end
 796  */
 797 void calendar_day_view_display_events(time_t thetime,
 798         int year,
 799         int month,
 800         int day,
 801         int notime_events,
 802         int dstart,
 803         int dend)
 804 {
 805         long hklen;
 806         const char *HashKey;
 807         void *vCal;
 808         HashPos *Pos;
 809         icalproperty *p = NULL;
 810         icalproperty *q = NULL;
 811         time_t event_tt;
 812         time_t event_tte;
 813         struct tm event_te;
 814         struct tm event_tm;
 815         int show_event = 0;
 816         int all_day_event = 0;
 817         int ongoing_event = 0;
 818         wcsession *WCC = WC;
 819         disp_cal *Cal;
 820         struct icaltimetype t;
 821         struct icaltimetype end_t;
 822         struct icaltimetype today_start_t;
 823         struct icaltimetype today_end_t;
 824         struct icaltimetype today_t;
 825         struct tm starting_tm;
 826         struct tm ending_tm;
 827         int top = 0;
 828         int bottom = 0;
 829         int gap = 1;
 830         int startmin = 0;
 831         int diffmin = 0;
 832         int endmin = 0;
 833
 834         char buf[256];
 835
 836         if (GetCount(WCC->disp_cal_items) == 0) {
 837                 /* nothing to display */
 838                 return;
 839         }
 840
 841         /* Create an imaginary event which spans the current day.  Any events which
 842          * overlap with this one take place at least partially in this day.
 843          */
 844         memset(&starting_tm, 0, sizeof(struct tm));
 845         starting_tm.tm_year = year - 1900;
 846         starting_tm.tm_mon = month - 1;
 847         starting_tm.tm_mday = day;
 848         starting_tm.tm_hour = 0;
 849         starting_tm.tm_min = 0;
 850         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 851         today_start_t.is_utc = 1;
 852
 853         memset(&ending_tm, 0, sizeof(struct tm));
 854         ending_tm.tm_year = year - 1900;
 855         ending_tm.tm_mon = month - 1;
 856         ending_tm.tm_mday = day;
 857         ending_tm.tm_hour = 23;
 858         ending_tm.tm_min = 59;
 859         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 860         today_end_t.is_utc = 1;
 861
 862         /*
 863          * Create another one without caring about the timezone for all day events.
 864          */
 865         today_t = icaltime_null_date();
 866         today_t.year = year;
 867         today_t.month = month;
 868         today_t.day = day;
 869
 870         /* Now loop through our list of events to see which ones occur today.
 871          */
 872         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 873         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 874                 Cal = (disp_cal*)vCal;
 875
 876                 all_day_event = 0;
 877                 ongoing_event=0;
 878
 879                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 880                 if (q != NULL) {
 881                         t = icalproperty_get_dtstart(q);
 882                         event_tt = icaltime_as_timet(t);
 883                         localtime_r(&event_tt, &event_te);
 884                 }
 885                 else {
 886                         memset(&t, 0, sizeof t);
 887                 }
 888
 889                 if (t.is_date) all_day_event = 1;
 890
 891                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 892                 if (q != NULL) {
 893                         end_t = icalproperty_get_dtend(q);
 894                 }
 895                 else {
 896                         /* no end given means end = start */
 897                         memcpy(&end_t, &t, sizeof(struct icaltimetype));
 898                 }
 899
 900                 if (all_day_event)
 901                 {
 902                         show_event = ical_ctdl_is_overlap(t, end_t, today_t, icaltime_null_time());
 903                         if (icaltime_compare(t, end_t)) {
 904                                 /*
 905                                  * the end date is non-inclusive so adjust it by one
 906                                  * day because our test is inclusive, note that a day is
 907                                  * not to much because we are talking about all day
 908                                  * events
 909                                  */
 910                                 icaltime_adjust(&end_t, -1, 0, 0, 0);
 911                         }
 912                 }
 913                 else
 914                 {
 915                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 916                 }
 917
 918                 event_tte = icaltime_as_timet(end_t);
 919                 localtime_r(&event_tte, &event_tm);
 920
 921                 /* If we determined that this event occurs today, then display it.
 922                  */
 923                 p = icalcomponent_get_first_property(Cal->cal,ICAL_SUMMARY_PROPERTY);
 924                 if (p == NULL) {
 925                         p = icalproperty_new_summary(_("Untitled Event"));
 926                         icalcomponent_add_property(Cal->cal, p);
 927                 }
 928
 929                 if ((show_event) && (p != NULL)) {
 930
 931                         if ((event_te.tm_mday != day) || (event_tm.tm_mday != day)) ongoing_event = 1;
 932
 933                         if (all_day_event && notime_events)
 934                         {
 935                                 wc_printf("<li class=\"event_framed%s\"> "
 936                                         "<a href=\"display_edit_event?"
 937                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d\" "
 938                                         " class=\"event_title\" "
 939                                         " btt_tooltext=\"",
 940                                         (Cal->unread)?"_unread":"_read",
 941                                         Cal->cal_msgnum, year, month, day);
 942                                 wc_printf("<i>%s</i><br />",      _("All day event"));
 943                                 wc_printf("<i>%s: %s</i><br />",  _("From"), Cal->from);
 944                                 wc_printf("<i>%s</i> ",           _("Summary:"));
 945                                 escputs((char *) icalproperty_get_comment(p));
 946                                 wc_printf("<br />");
 947                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 948                                 if (q) {
 949                                         wc_printf("<i>%s</i> ", _("Location:"));
 950                                         escputs((char *)icalproperty_get_comment(q));
 951                                         wc_printf("<br />");
 952                                 }
 953                                 if (!icaltime_compare(t, end_t)) { /* one day only */
 954                                         webcit_fmt_date(buf, 256, event_tt, DATEFMT_LOCALEDATE);
 955                                         wc_printf("<i>%s</i> %s<br>", _("Date:"), buf);
 956                                 }
 957                                 else {
 958                                         webcit_fmt_date(buf, 256, event_tt, DATEFMT_LOCALEDATE);
 959                                         wc_printf("<i>%s</i> %s<br>", _("Starting date:"), buf);
 960                                         webcit_fmt_date(buf, 256, event_tte, DATEFMT_LOCALEDATE);
 961                                         wc_printf("<i>%s</i> %s<br>", _("Ending date:"), buf);
 962                                 }
 963                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
 964                                 if (q) {
 965                                         wc_printf("<i>%s</i> ", _("Notes:"));
 966                                         escputs((char *)icalproperty_get_comment(q));
 967                                         wc_printf("<br />");
 968                                 }
 969                                 wc_printf("\">");
 970                                 escputs((char *) icalproperty_get_comment(p));
 971                                 wc_printf("</a> <span>(");
 972                                 wc_printf(_("All day event"));
 973                                 wc_printf(")</span></li>\n");
 974                         }
 975                         else if (ongoing_event && notime_events)
 976                         {
 977                                 wc_printf("<li class=\"event_framed%s\"> "
 978                                         "<a href=\"display_edit_event?"
 979                                         "msgnum=%ld&calview=day?year=%d?month=%d?day=%d\" "
 980                                         " class=\"event_title\" "
 981                                         "btt_tooltext=\"",
 982                                         (Cal->unread)?"_unread":"_read",
 983                                         Cal->cal_msgnum, year, month, day);
 984                                 wc_printf("<i>%s</i><br />",     _("Ongoing event"));
 985                                 wc_printf("<i>%s: %s</i><br />", _("From"), Cal->from);
 986                                 wc_printf("<i>%s</i> ",          _("Summary:"));
 987                                 escputs((char *) icalproperty_get_comment(p));
 988                                 wc_printf("<br />");
 989                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 990                                 if (q) {
 991                                         wc_printf("<i>%s</i> ", _("Location:"));
 992                                         escputs((char *)icalproperty_get_comment(q));
 993                                         wc_printf("<br />");
 994                                                                 }
 995                                 webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
 996                                 wc_printf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
 997                                 webcit_fmt_date(buf, 256, event_tte, DATEFMT_BRIEF);
 998                                 wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 999                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1000                                 if (q) {
1001                                         wc_printf("<i>%s</i> ", _("Notes:"));
1002                                         escputs((char *)icalproperty_get_comment(q));
1003                                         wc_printf("<br />");
1004                                 }
1005                                 wc_printf("\">");
1006                                 escputs((char *) icalproperty_get_comment(p));
1007                                 wc_printf("</a> <span>(");
1008                                 wc_printf(_("Ongoing event"));
1009                                 wc_printf(")</span></li>\n");
1010                         }
1011                         else if (!all_day_event && !notime_events)
1012                         {
1013                                 gap++;
1014
1015                                 if (event_te.tm_mday != day) event_te.tm_hour = 0;
1016                                 if (event_tm.tm_mday != day) event_tm.tm_hour = 24;
1017
1018                                 /* Calculate the location of the top of the box */
1019                                 if (event_te.tm_hour < dstart) {
1020                                         startmin = diffmin = event_te.tm_min / 6;
1021                                         top = (event_te.tm_hour * EXTRATIMELINE) + startmin;
1022                                 }
1023                                 else if ((event_te.tm_hour >= dstart) && (event_te.tm_hour <= dend)) {
1024                                         startmin = diffmin = (event_te.tm_min / 2);
1025                                         top = (dstart * EXTRATIMELINE) + ((event_te.tm_hour - dstart) * TIMELINE) + startmin;
1026                                 }
1027                                 else if (event_te.tm_hour >dend) {
1028                                         startmin = diffmin = event_te.tm_min / 6;
1029                                         top = (dstart * EXTRATIMELINE) + ((dend - dstart - 1) * TIMELINE) + ((event_tm.tm_hour - dend + 1) * EXTRATIMELINE) + startmin ;
1030                                 }
1031                                 else {
1032                                         /* should never get here */
1033                                 }
1034
1035                                 /* Calculate the location of the bottom of the box */
1036                                 if (event_tm.tm_hour < dstart) {
1037                                         endmin = diffmin = event_tm.tm_min / 6;
1038                                         bottom = (event_tm.tm_hour * EXTRATIMELINE) + endmin;
1039                                 }
1040                                 else if ((event_tm.tm_hour >= dstart) && (event_tm.tm_hour <= dend)) {
1041                                         endmin = diffmin = (event_tm.tm_min / 2);
1042                                         bottom = (dstart * EXTRATIMELINE) + ((event_tm.tm_hour - dstart) * TIMELINE) + endmin ;
1043                                 }
1044                                 else if (event_tm.tm_hour >dend) {
1045                                         endmin = diffmin = event_tm.tm_min / 6;
1046                                         bottom = (dstart * EXTRATIMELINE) + ((dend - dstart + 1) * TIMELINE) + ((event_tm.tm_hour - dend - 1) * EXTRATIMELINE) + endmin;
1047                                 }
1048                                 else {
1049                                         /* should never get here */
1050                                 }
1051
1052                                 wc_printf("<dd  class=\"event_framed%s\" "
1053                                         "style=\"position: absolute; "
1054                                         "top:%dpx; left:%dpx; "
1055                                         "height:%dpx; \" >",
1056                                         (Cal->unread)?"_unread":"_read",
1057                                         top, (gap * 40), (bottom-top)
1058                                         );
1059                                 wc_printf("<a href=\"display_edit_event?"
1060                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d?hour=%d\" "
1061                                         "class=\"event_title\" "
1062                                         "btt_tooltext=\"",
1063                                         Cal->cal_msgnum, year, month, day, t.hour);
1064                                 wc_printf("<i>%s: %s</i><br />", _("From"), Cal->from);
1065                                 wc_printf("<i>%s</i> ",          _("Summary:"));
1066                                 escputs((char *) icalproperty_get_comment(p));
1067                                 wc_printf("<br />");
1068                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1069                                 if (q) {
1070                                         wc_printf("<i>%s</i> ", _("Location:"));
1071                                         escputs((char *)icalproperty_get_comment(q));
1072                                         wc_printf("<br />");
1073                                                                 }
1074                                 if (!icaltime_compare(t, end_t)) { /* one day only */
1075                                         webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1076                                         wc_printf("<i>%s</i> %s<br>", _("Date/time:"), buf);
1077                                 }
1078                                 else {
1079                                         webcit_fmt_date(buf, 256, event_tt, DATEFMT_BRIEF);
1080                                         wc_printf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1081                                         webcit_fmt_date(buf, 256, event_tte, DATEFMT_BRIEF);
1082                                         wc_printf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1083                                 }
1084                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1085                                 if (q) {
1086                                         wc_printf("<i>%s</i> ", _("Notes:"));
1087                                         escputs((char *)icalproperty_get_comment(q));
1088                                         wc_printf("<br />");
1089                                 }
1090                                 wc_printf("\">");
1091
1092                                 escputs((char *) icalproperty_get_comment(p));
1093                                 wc_printf("</a></dd>\n");
1094                         }
1095                 }
1096         }
1097         DeleteHashPos(&Pos);
1098 }
1099
1100 /*
1101  * view one day
1102  */
1103 void calendar_day_view(int year, int month, int day) {
1104         int hour;
1105         struct icaltimetype today, yesterday, tomorrow;
1106         long daystart;
1107         long dayend;
1108         struct tm d_tm;
1109         char d_str[160];
1110         int time_format;
1111         time_t today_t;
1112         int timeline = TIMELINE;
1113         int extratimeline = EXTRATIMELINE;
1114         int gap = 0;
1115         int hourlabel;
1116         int extrahourlabel;
1117
1118         time_format = get_time_format_cached ();
1119         get_pref_long("daystart", &daystart, 8);
1120         get_pref_long("dayend", &dayend, 17);
1121
1122         /* when loading daystart/dayend, replace missing, corrupt, or impossible values with defaults */
1123         if ((daystart < 0) || (dayend < 2) || (daystart >= 23) || (dayend > 23) || (dayend <= daystart)) {
1124                 daystart = 9;
1125                 dayend = 17;
1126         }
1127
1128         /* Today's date */
1129         memset(&d_tm, 0, sizeof d_tm);
1130         d_tm.tm_year = year - 1900;
1131         d_tm.tm_mon = month - 1;
1132         d_tm.tm_mday = day;
1133         today_t = mktime(&d_tm);
1134
1135         /* Figure out the dates for "yesterday" and "tomorrow" links */
1136
1137         memset(&today, 0, sizeof(struct icaltimetype));
1138         today.year = year;
1139         today.month = month;
1140         today.day = day;
1141         today.is_date = 1;
1142
1143         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
1144         --yesterday.day;
1145         yesterday = icaltime_normalize(yesterday);
1146
1147         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
1148         ++tomorrow.day;
1149         tomorrow = icaltime_normalize(tomorrow);
1150
1151         wc_printf("<div class=\"fix_scrollbar_bug\">");
1152
1153         /* Inner table (the real one) */
1154         wc_printf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
1155
1156         /* Innermost cell (contains hours etc.) */
1157         wc_printf("<td class=\"events_of_the_day\" >");
1158         wc_printf("<dl class=\"events\" >");
1159
1160         /* Now the middle of the day... */
1161
1162         extrahourlabel = extratimeline - 2;
1163         hourlabel = extrahourlabel * 150 / 100;
1164         if (hourlabel > (timeline - 2)) hourlabel = timeline - 2;
1165
1166         for (hour = 0; hour < daystart; ++hour) {       /* could do HEIGHT=xx */
1167                 wc_printf("<dt class=\"extrahour\"      "
1168                         "style=\"               "
1169                         "position: absolute;    "
1170                         "top: %dpx; left: 0px;  "
1171                         "height: %dpx;          "
1172                         "font-size: %dpx;       "
1173                         "\" >                   "
1174                         "<a href=\"display_edit_event?msgnum=0"
1175                         "?calview=day?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1176                         (hour * extratimeline ),
1177                         extratimeline,
1178                         extrahourlabel,
1179                         year, month, day, hour
1180                         );
1181
1182                 if (time_format == WC_TIMEFORMAT_24) {
1183                         wc_printf("%2d:00</a> ", hour);
1184                 }
1185                 else {
1186                         wc_printf("%d:00%s</a> ",
1187                                 ((hour == 0) ? 12 : (hour <= 12 ? hour : hour-12)),
1188                                 (hour < 12 ? "am" : "pm")
1189                                 );
1190                 }
1191
1192                 wc_printf("</dt>");
1193         }
1194
1195         gap = daystart * extratimeline;
1196
1197         for (hour = daystart; hour <= dayend; ++hour) {       /* could do HEIGHT=xx */
1198                 wc_printf("<dt class=\"hour\"     "
1199                         "style=\"               "
1200                         "position: absolute;    "
1201                         "top: %ldpx; left: 0px; "
1202                         "height: %dpx;          "
1203                         "font-size: %dpx;       "
1204                         "\" >                   "
1205                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1206                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1207                         gap + ((hour - daystart) * timeline ),
1208                         timeline,
1209                         hourlabel,
1210                         year, month, day, hour
1211                         );
1212
1213                 if (time_format == WC_TIMEFORMAT_24) {
1214                         wc_printf("%2d:00</a> ", hour);
1215                 }
1216                 else {
1217                         wc_printf("%d:00%s</a> ",
1218                                 (hour <= 12 ? hour : hour-12),
1219                                 (hour < 12 ? "am" : "pm")
1220                                                 );
1221                 }
1222
1223                 wc_printf("</dt>");
1224         }
1225
1226         gap = gap + ((dayend - daystart + 1) * timeline);
1227
1228         for (hour = (dayend + 1); hour < 24; ++hour) {       /* could do HEIGHT=xx */
1229                 wc_printf("<dt class=\"extrahour\"     "
1230                         "style=\"               "
1231                         "position: absolute;    "
1232                         "top: %ldpx; left: 0px; "
1233                         "height: %dpx;          "
1234                         "font-size: %dpx;       "
1235                         "\" >                   "
1236                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1237                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1238                         gap + ((hour - dayend - 1) * extratimeline ),
1239                         extratimeline,
1240                         extrahourlabel,
1241                         year, month, day, hour
1242                 );
1243
1244                 if (time_format == WC_TIMEFORMAT_24) {
1245                         wc_printf("%2d:00</a> ", hour);
1246                 }
1247                 else {
1248                         wc_printf("%d:00%s</a> ",
1249                                 (hour <= 12 ? hour : hour-12),
1250                                 (hour < 12 ? "am" : "pm")
1251                         );
1252                 }
1253
1254                 wc_printf("</dt>");
1255         }
1256
1257         /* Display events with start and end times on this day */
1258         calendar_day_view_display_events(today_t, year, month, day, 0, daystart, dayend);
1259
1260         wc_printf("</dl>");
1261         wc_printf("</td>");                     /* end of innermost table */
1262
1263         /* Display extra events (start/end times not present or not today) in the middle column */
1264         wc_printf("<td class=\"extra_events\">");
1265
1266         wc_printf("<ul>");
1267
1268         /* Display all-day events */
1269         calendar_day_view_display_events(today_t, year, month, day, 1, daystart, dayend);
1270
1271         wc_printf("</ul>");
1272
1273         wc_printf("</td>");     /* end extra on the middle */
1274
1275         wc_printf("<td width=20%% align=center valign=top>");   /* begin stuff-on-the-right */
1276
1277         /* Begin todays-date-with-left-and-right-arrows */
1278         wc_printf("<table border=0 width=100%% "
1279                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
1280         wc_printf("<tr>");
1281
1282         /* Left arrow */
1283         wc_printf("<td align=center>");
1284         wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1285                 yesterday.year, yesterday.month, yesterday.day);
1286         wc_printf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
1287         wc_printf("</td>");
1288
1289         wc_strftime(d_str, sizeof d_str,
1290                 "<td align=center>"
1291                 "<font size=+2>%A</font><br />"
1292                 "<font size=+2>%B</font><br />"
1293                 "<font size=+3>%d</font><br />"
1294                 "<font size=+2>%Y</font><br />"
1295                 "</td>",
1296                 &d_tm
1297                 );
1298         wc_printf("%s", d_str);
1299
1300         /* Right arrow */
1301         wc_printf("<td align=center>");
1302         wc_printf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1303                 tomorrow.year, tomorrow.month, tomorrow.day);
1304         wc_printf("<img align=middle src=\"static/nextdate_32x.gif\""
1305                 " border=0></a>\n");
1306         wc_printf("</td>");
1307
1308         wc_printf("</tr></table>\n");
1309         /* End todays-date-with-left-and-right-arrows */
1310
1311         /* Embed a mini month calendar in this space */
1312         wc_printf("<br />\n");
1313         embeddable_mini_calendar(year, month);
1314
1315         wc_printf("</font></center>\n");
1316
1317         wc_printf("</td></tr>");                        /* end stuff-on-the-right */
1318
1319         wc_printf("</table>"                    /* end of inner table */
1320                 "</div>");
1321
1322         StrBufAppendPrintf(WC->trailing_javascript,
1323                 " setTimeout(\"btt_enableTooltips('inner_day')\", 1);   \n"
1324         );
1325 }
1326
1327
1328 /*
1329  * Display today's events.  Returns the number of items displayed.
1330  */
1331 int calendar_summary_view(void) {
1332         long hklen;
1333         const char *HashKey;
1334         void *vCal;
1335         HashPos *Pos;
1336         disp_cal *Cal;
1337         icalproperty *p;
1338         struct icaltimetype t;
1339         time_t event_tt;
1340         struct tm event_tm;
1341         struct tm today_tm;
1342         time_t now;
1343         int all_day_event = 0;
1344         char timestring[SIZ];
1345         wcsession *WCC = WC;
1346         int num_displayed = 0;
1347
1348         if (GetCount(WC->disp_cal_items) == 0) {
1349                 return(0);
1350         }
1351
1352         now = time(NULL);
1353         localtime_r(&now, &today_tm);
1354
1355         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
1356         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1357                 Cal = (disp_cal*)vCal;
1358                 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
1359                 if (p != NULL) {
1360                         t = icalproperty_get_dtstart(p);
1361                         event_tt = icaltime_as_timet(t);
1362                         if (t.is_date) {
1363                                 all_day_event = 1;
1364                         }
1365                         else {
1366                                 all_day_event = 0;
1367                         }
1368                         fmt_time(timestring, SIZ, event_tt);
1369
1370                         if (all_day_event) {
1371                                 gmtime_r(&event_tt, &event_tm);
1372                         }
1373                         else {
1374                                 localtime_r(&event_tt, &event_tm);
1375                         }
1376
1377                         if ( (event_tm.tm_year == today_tm.tm_year)
1378                                 && (event_tm.tm_mon == today_tm.tm_mon)
1379                                 && (event_tm.tm_mday == today_tm.tm_mday)
1380                         ) {
1381
1382                                 p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
1383                                 if (p == NULL) {
1384                                         p = icalproperty_new_summary(_("Untitled Task"));
1385                                         icalcomponent_add_property(Cal->cal, p);
1386                                 }
1387                                 if (p != NULL) {
1388
1389
1390                                         if (WCC->wc_view == VIEW_TASKS) {
1391                                                 wc_printf("<a href=\"display_edit_task"
1392                                                         "?msgnum=%ld"
1393                                                         "?return_to_summary=1"
1394                                                         "?gotofirst=",
1395                                                         Cal->cal_msgnum
1396                                                 );
1397                                                 escputs(ChrPtr(WCC->wc_roomname));
1398                                                 wc_printf("\">");
1399                                         }
1400                                         else {
1401                                                 wc_printf("<a href=\"display_edit_event"
1402                                                         "?msgnum=%ld"
1403                                                         "?calview=summary"
1404                                                         "?year=%d"
1405                                                         "?month=%d"
1406                                                         "?day=%d"
1407                                                         "?gotofirst=",
1408                                                         Cal->cal_msgnum,
1409                                                         today_tm.tm_year + 1900,
1410                                                         today_tm.tm_mon + 1,
1411                                                         today_tm.tm_mday
1412                                                 );
1413                                                 escputs(ChrPtr(WCC->wc_roomname));
1414                                                 wc_printf("\">");
1415                                         }
1416                                         escputs((char *) icalproperty_get_comment(p));
1417                                         if (!all_day_event) {
1418                                                 wc_printf(" (%s)", timestring);
1419                                         }
1420                                         wc_printf("</a><br />\n");
1421                                         ++num_displayed;
1422                                 }
1423                         }
1424                 }
1425         }
1426         DeleteHashPos(&Pos);
1427         DeleteHash(&WC->disp_cal_items);
1428         return(num_displayed);
1429 }
1430
1431 /*
1432  * Parse the URL variables in order to determine the scope and display of a calendar view
1433  */
1434 int calendar_GetParamsGetServerCall(SharedMessageStatus *Stat,
1435                                     void **ViewSpecific,
1436                                     long oper,
1437                                     char *cmd,
1438                                     long len)
1439 {
1440         calview *c;
1441         time_t now;
1442         struct tm tm;
1443         char cv[32];
1444
1445         int span = 3888000;
1446
1447         c = (calview*) malloc(sizeof(calview));
1448         memset(c, 0, sizeof(calview));
1449         *ViewSpecific = (void*)c;
1450
1451         Stat->load_seen = 1;
1452         strcpy(cmd, "MSGS ALL");
1453         Stat->maxmsgs = 32767;
1454
1455         /* In case no date was specified, go with today */
1456         now = time(NULL);
1457         localtime_r(&now, &tm);
1458         c->year = tm.tm_year + 1900;
1459         c->month = tm.tm_mon + 1;
1460         c->day = tm.tm_mday;
1461
1462         /* Now see if a date was specified */
1463         if (havebstr("year")) c->year = ibstr("year");
1464         if (havebstr("month")) c->month = ibstr("month");
1465         if (havebstr("day")) c->day = ibstr("day");
1466
1467         /* How would you like that cooked? */
1468         if (havebstr("calview")) {
1469                 strcpy(cv, bstr("calview"));
1470         }
1471         else {
1472                 strcpy(cv, "month");
1473         }
1474
1475         /* Display the selected view */
1476         if (!strcasecmp(cv, "day")) {
1477                 c->view = calview_day;
1478         }
1479         else if (!strcasecmp(cv, "week")) {
1480                 c->view = calview_week;
1481         }
1482         else if (!strcasecmp(cv, "summary")) {  /* shouldn't ever happen, but just in case */
1483                 c->view = calview_day;
1484         }
1485         else {
1486                 if (WC->wc_view == VIEW_CALBRIEF) {
1487                         c->view = calview_brief;
1488                 }
1489                 else {
1490                         c->view = calview_month;
1491                 }
1492         }
1493
1494         /* Now try and set the lower and upper bounds so that we don't
1495          * burn too many cpu cycles parsing data way in the past or future
1496          */
1497
1498         tm.tm_year = c->year - 1900;
1499         tm.tm_mon = c->month - 1;
1500         tm.tm_mday = c->day;
1501         now = mktime(&tm);
1502
1503         if (c->view == calview_month)   span = 3888000;
1504         if (c->view == calview_brief)   span = 3888000;
1505         if (c->view == calview_week)    span = 604800;
1506         if (c->view == calview_day)     span = 86400;
1507         if (c->view == calview_summary) span = 86400;
1508
1509         c->lower_bound = now - span;
1510         c->upper_bound = now + span;
1511         return 200;
1512 }
1513
1514
1515
1516 /*
1517  * Render a calendar view from data previously loaded into memory
1518  */
1519 int calendar_RenderView_or_Tail(SharedMessageStatus *Stat,
1520                                 void **ViewSpecific,
1521                                 long oper)
1522 {
1523         calview *c = (calview*) *ViewSpecific;
1524
1525         if (c->view == calview_day) {
1526                 calendar_day_view(c->year, c->month, c->day);
1527         }
1528         else if (c->view == calview_week) {
1529                 calendar_week_view(c->year, c->month, c->day);
1530         }
1531         else {
1532                 if (WC->wc_view == VIEW_CALBRIEF) {
1533                         calendar_brief_month_view(c->year, c->month, c->day);
1534                 }
1535                 else {
1536                         calendar_month_view(c->year, c->month, c->day);
1537                 }
1538         }
1539
1540         /* Free the in-memory list of calendar items */
1541         DeleteHash(&WC->disp_cal_items);
1542         return 0;
1543 }
1544
1545
1546
1547
1548