webcit/calendar_view.c

   1 /*
   2  * $Id$
   3  *
   4  *
   5  */
   6
   7 #include <ctype.h>
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <stdio.h>
  11 #include <fcntl.h>
  12 #include <signal.h>
  13 #include <sys/types.h>
  14 #include <sys/wait.h>
  15 #include <sys/socket.h>
  16 #include <limits.h>
  17 #include <netinet/in.h>
  18 #include <netdb.h>
  19 #include <string.h>
  20 #include <pwd.h>
  21 #include <errno.h>
  22 #include <stdarg.h>
  23 #include <pthread.h>
  24 #include <signal.h>
  25 #include <time.h>
  26 #include "webcit.h"
  27 #include "webserver.h"
  28
  29 #ifndef WEBCIT_WITH_CALENDAR_SERVICE
  30
  31 void do_calendar_view(void) {   /* stub for non-libical builds */
  32         wprintf("<CENTER><I>Calendar view not available</I></CENTER><br />\n");
  33 }
  34
  35 void do_tasks_view(void) {      /* stub for non-libical builds */
  36         wprintf("<CENTER><I>Tasks view not available</I></CENTER><br />\n");
  37 }
  38
  39 #else   /* WEBCIT_WITH_CALENDAR_SERVICE */
  40
  41 /****************************************************************************/
  42
  43
  44 void calendar_month_view_display_events(time_t thetime) {
  45         int i;
  46         time_t event_tt;
  47         struct tm event_tm;
  48         struct tm today_tm;
  49         icalproperty *p;
  50         struct icaltimetype t;
  51         int month, day, year;
  52         int all_day_event = 0;
  53
  54         if (WC->num_cal == 0) {
  55                 wprintf("<br /><br /><br />\n");
  56                 return;
  57         }
  58
  59         localtime_r(&thetime, &today_tm);
  60         month = today_tm.tm_mon + 1;
  61         day = today_tm.tm_mday;
  62         year = today_tm.tm_year + 1900;
  63
  64         for (i=0; i<(WC->num_cal); ++i) {
  65                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
  66                                                 ICAL_DTSTART_PROPERTY);
  67                 if (p != NULL) {
  68                         t = icalproperty_get_dtstart(p);
  69                         event_tt = icaltime_as_timet(t);
  70
  71                         if (t.is_date) all_day_event = 1;
  72                         else all_day_event = 0;
  73
  74                         if (all_day_event) {
  75                                 gmtime_r(&event_tt, &event_tm);
  76                         }
  77                         else {
  78                                 localtime_r(&event_tt, &event_tm);
  79                         }
  80
  81 lprintf(9, "Event: %04d-%s-%02d, Now: %04d-%s-%02d\n",
  82         event_tm.tm_year + 1900,
  83         ascmonths[event_tm.tm_mon],
  84         event_tm.tm_mday,
  85         today_tm.tm_year + 1900,
  86         ascmonths[today_tm.tm_mon],
  87         today_tm.tm_mday);
  88
  89                         if ((event_tm.tm_year == today_tm.tm_year)
  90                            && (event_tm.tm_mon == today_tm.tm_mon)
  91                            && (event_tm.tm_mday == today_tm.tm_mday)) {
  92
  93                                 p = icalcomponent_get_first_property(
  94                                                         WC->disp_cal[i].cal,
  95                                                         ICAL_SUMMARY_PROPERTY);
  96                                 if (p != NULL) {
  97
  98                                         if (all_day_event) {
  99                                                 wprintf("<TABLE border=0 cellpadding=2><TR>"
 100                                                         "<TD BGCOLOR=\"#CCCCDD\">"
 101                                                 );
 102                                         }
 103
 104                                         wprintf("<FONT SIZE=-1>"
 105                                                 "<A HREF=\"/display_edit_event?msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\">",
 106                                                 WC->disp_cal[i].cal_msgnum,
 107                                                 bstr("calview"),
 108                                                 bstr("year"),
 109                                                 bstr("month"),
 110                                                 bstr("day")
 111                                         );
 112                                         escputs((char *)
 113                                                 icalproperty_get_comment(p));
 114                                         wprintf("</A></FONT><br />\n");
 115
 116                                         if (all_day_event) {
 117                                                 wprintf("</TD></TR></TABLE>");
 118                                         }
 119
 120                                 }
 121
 122                         }
 123
 124
 125                 }
 126         }
 127 }
 128
 129
 130
 131 void calendar_month_view(int year, int month, int day) {
 132         struct tm starting_tm;
 133         struct tm tm;
 134         time_t thetime;
 135         int i;
 136         time_t previous_month;
 137         time_t next_month;
 138
 139         /* Determine what day to start.
 140          * First, back up to the 1st of the month...
 141          */
 142         memset(&starting_tm, 0, sizeof(struct tm));
 143         starting_tm.tm_year = year - 1900;
 144         starting_tm.tm_mon = month - 1;
 145         starting_tm.tm_mday = day;
 146         thetime = mktime(&starting_tm);
 147
 148         memcpy(&tm, &starting_tm, sizeof(struct tm));
 149         while (tm.tm_mday != 1) {
 150                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 151                 localtime_r(&thetime, &tm);
 152         }
 153
 154         /* Determine previous and next months ... for links */
 155         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 156         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 157
 158         /* Now back up until we're on a Sunday */
 159         localtime_r(&thetime, &tm);
 160         while (tm.tm_wday != 0) {
 161                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 162                 localtime_r(&thetime, &tm);
 163         }
 164
 165         /* Outer table (to get the background color) */
 166         wprintf("<TABLE width=100%% border=0 cellpadding=0 cellspacing=0 "
 167                 "bgcolor=#204B78><TR><TD>\n");
 168
 169         wprintf("<TABLE width=100%% border=0 cellpadding=0 cellspacing=0>"
 170                 "<TR><TD align=left><font color=#FFFFFF>"
 171                 "&nbsp;<A HREF=\"/display_edit_event?msgnum=0"
 172                 "&year=%d&month=%d&day=%d\">"
 173                 "Add new calendar event</A>"
 174                 "</font></TD>\n",
 175                 year, month, day
 176         );
 177
 178         wprintf("<TD ALIGN=CENTER>");
 179
 180         localtime_r(&previous_month, &tm);
 181         wprintf("<A HREF=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 182                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 183         wprintf("<IMG ALIGN=MIDDLE SRC=\"/static/back.gif\" BORDER=0></A>\n");
 184
 185         wprintf("&nbsp;&nbsp;"
 186                 "<FONT SIZE=+1 COLOR=\"#FFFFFF\">"
 187                 "%s %d"
 188                 "</FONT>"
 189                 "&nbsp;&nbsp;", months[month-1], year);
 190
 191         localtime_r(&next_month, &tm);
 192         wprintf("<A HREF=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 193                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 194         wprintf("<IMG ALIGN=MIDDLE SRC=\"/static/forward.gif\" BORDER=0></A>\n");
 195
 196         wprintf("</TD><TD align=right><font color=#FFFFFF size=-2>"
 197                 "Click on any date for day view&nbsp;"
 198                 "</FONT></TD></TR></TABLE>\n");
 199
 200         /* Inner table (the real one) */
 201         wprintf("<TABLE width=100%% border=0 cellpadding=1 cellspacing=1 "
 202                 "bgcolor=#204B78><TR>");
 203         for (i=0; i<7; ++i) {
 204                 wprintf("<TD ALIGN=CENTER WIDTH=14%%>"
 205                         "<FONT COLOR=\"#FFFFFF\">%s</FONT></TH>", days[i]);
 206         }
 207         wprintf("</TR>\n");
 208
 209         /* Now do 35 days */
 210         for (i = 0; i < 35; ++i) {
 211                 localtime_r(&thetime, &tm);
 212
 213                 /* Before displaying Sunday, start a new row */
 214                 if ((i % 7) == 0) {
 215                         wprintf("<TR>");
 216                 }
 217
 218                 wprintf("<TD BGCOLOR=\"#%s\" WIDTH=14%% HEIGHT=60 VALIGN=TOP><B>",
 219                         ((tm.tm_mon != month-1) ? "DDDDDD" :
 220                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 221                         "FFFFFF"))
 222                 );
 223                 if ((i==0) || (tm.tm_mday == 1)) {
 224                         wprintf("%s ", months[tm.tm_mon]);
 225                 }
 226                 wprintf("<A HREF=\"readfwd?calview=day&year=%d&month=%d&day=%d\">"
 227                         "%d</A></B><br />",
 228                         tm.tm_year + 1900,
 229                         tm.tm_mon + 1,
 230                         tm.tm_mday,
 231                         tm.tm_mday);
 232
 233                 /* put the data here, stupid */
 234                 calendar_month_view_display_events(thetime);
 235
 236                 wprintf("</TD>");
 237
 238                 /* After displaying Saturday, end the row */
 239                 if ((i % 7) == 6) {
 240                         wprintf("</TR>\n");
 241                 }
 242
 243                 thetime += (time_t)86400;               /* ahead 24 hours */
 244         }
 245
 246         wprintf("</TABLE>"                      /* end of inner table */
 247                 "</TD></TR></TABLE>"            /* end of outer table */
 248                 "</CENTER>\n");
 249 }
 250
 251
 252 void calendar_week_view(int year, int month, int day) {
 253         wprintf("<CENTER><I>week view FIXME</I></CENTER><br />\n");
 254 }
 255
 256
 257 /*
 258  * Display events for a particular hour of a particular day.
 259  * (Specify hour < 0 to show "all day" events)
 260  */
 261 void calendar_day_view_display_events(int year, int month,
 262                                         int day, int hour) {
 263         int i;
 264         icalproperty *p;
 265         struct icaltimetype t;
 266         time_t event_tt;
 267         struct tm *event_tm;
 268         int all_day_event = 0;
 269
 270         if (WC->num_cal == 0) {
 271                 wprintf("<br /><br /><br />\n");
 272                 return;
 273         }
 274
 275         for (i=0; i<(WC->num_cal); ++i) {
 276                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 277                                                 ICAL_DTSTART_PROPERTY);
 278                 if (p != NULL) {
 279                         t = icalproperty_get_dtstart(p);
 280                         event_tt = icaltime_as_timet(t);
 281                         if (t.is_date) all_day_event = 1;
 282
 283                         if (all_day_event) {
 284                                 event_tm = gmtime(&event_tt);
 285                         }
 286                         else {
 287                                 event_tm = localtime(&event_tt);
 288                         }
 289
 290                         if ((event_tm->tm_year == (year-1900))
 291                            && (event_tm->tm_mon == (month-1))
 292                            && (event_tm->tm_mday == day)
 293                            && ( ((event_tm->tm_hour == hour)&&(!t.is_date)) || ((hour<0)&&(t.is_date)) )
 294                            ) {
 295
 296
 297                                 p = icalcomponent_get_first_property(
 298                                                         WC->disp_cal[i].cal,
 299                                                         ICAL_SUMMARY_PROPERTY);
 300                                 if (p != NULL) {
 301
 302                                         if (all_day_event) {
 303                                                 wprintf("<TABLE border=1 cellpadding=2><TR>"
 304                                                         "<TD BGCOLOR=\"#CCCCCC\">"
 305                                                 );
 306                                         }
 307
 308                                         wprintf("<FONT SIZE=-1>"
 309                                                 "<A HREF=\"/display_edit_event?msgnum=%ld&calview=day&year=%d&month=%d&day=%d\">",
 310                                                 WC->disp_cal[i].cal_msgnum,
 311                                                 year, month, day
 312                                         );
 313                                         escputs((char *)
 314                                                 icalproperty_get_comment(p));
 315                                         wprintf("</A></FONT><br />\n");
 316
 317                                         if (all_day_event) {
 318                                                 wprintf("</TD></TR></TABLE>");
 319                                         }
 320                                 }
 321
 322                         }
 323
 324
 325                 }
 326         }
 327 }
 328
 329
 330
 331 void calendar_day_view(int year, int month, int day) {
 332         int hour;
 333         struct icaltimetype today, yesterday, tomorrow;
 334
 335
 336         /* Figure out the dates for "yesterday" and "tomorrow" links */
 337
 338         memset(&today, 0, sizeof(struct icaltimetype));
 339         today.year = year;
 340         today.month = month;
 341         today.day = day;
 342         today.is_date = 1;
 343
 344         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
 345         --yesterday.day;
 346         yesterday = icaltime_normalize(yesterday);
 347
 348         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
 349         ++tomorrow.day;
 350         tomorrow = icaltime_normalize(tomorrow);
 351
 352
 353         /* Outer table (to get the background color) */
 354         wprintf("<TABLE width=100%% border=0 cellpadding=0 cellspacing=0 "
 355                 "bgcolor=#204B78><TR><TD>\n");
 356
 357         /* Inner table (the real one) */
 358         wprintf("<TABLE width=100%% border=0 cellpadding=1 cellspacing=1 "
 359                 "bgcolor=#204B78><TR>\n");
 360
 361         /* Innermost table (contains hours etc.) */
 362         wprintf("<TD WIDTH=80%%>"
 363                 "<TABLE width=100%% border=0 cellpadding=1 cellspacing=1 "
 364                 "bgcolor=#204B78>\n");
 365
 366         /* Display events before 8:00 (hour=-1 is all-day events) */
 367         wprintf("<TR>"
 368                 "<TD BGCOLOR=\"#CCCCDD\" VALIGN=MIDDLE WIDTH=10%%></TD>"
 369                 "<TD BGCOLOR=\"#FFFFFF\" VALIGN=TOP>");
 370         for (hour = (-1); hour <= 7; ++hour) {
 371                 calendar_day_view_display_events(year, month, day, hour);
 372         }
 373         wprintf("</TD></TR>\n");
 374
 375         /* Now the middle of the day... */
 376         for (hour = 8; hour <= 17; ++hour) {    /* could do HEIGHT=xx */
 377                 wprintf("<TR HEIGHT=30><TD BGCOLOR=\"#CCCCDD\" ALIGN=MIDDLE "
 378                         "VALIGN=MIDDLE WIDTH=10%%>");
 379                 wprintf("<A HREF=\"/display_edit_event?msgnum=0"
 380                         "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
 381                         year, month, day, hour
 382                 );
 383                 wprintf("%d:00%s</A> ",
 384                         (hour <= 12 ? hour : hour-12),
 385                         (hour < 12 ? "am" : "pm")
 386                 );
 387                 wprintf("</TD><TD BGCOLOR=\"#FFFFFF\" VALIGN=TOP>");
 388
 389                 /* put the data here, stupid */
 390                 calendar_day_view_display_events(year, month, day, hour);
 391
 392                 wprintf("</TD></TR>\n");
 393         }
 394
 395         /* Display events after 5:00... */
 396         wprintf("<TR>"
 397                 "<TD BGCOLOR=\"#CCCCDD\" VALIGN=MIDDLE WIDTH=10%%></TD>"
 398                 "<TD BGCOLOR=\"#FFFFFF\" VALIGN=TOP>");
 399         for (hour = 18; hour <= 23; ++hour) {
 400                 calendar_day_view_display_events(year, month, day, hour);
 401         }
 402         wprintf("</TD></TR>\n");
 403
 404
 405         wprintf("</TABLE>"                      /* end of innermost table */
 406                 "</TD>"
 407         );
 408
 409         wprintf("<TD WIDTH=20%% VALIGN=top>");  /* begin stuff-on-the-right */
 410
 411
 412         /* Begin todays-date-with-left-and-right-arrows */
 413         wprintf("<TABLE BORDER=0 WIDTH=100%% "
 414                 "CELLSPACING=0 CELLPADDING=0 BGCOLOR=\"#FFFFFF\">\n");
 415         wprintf("<TR>");
 416
 417         /* Left arrow */
 418         wprintf("<TD ALIGN=CENTER>");
 419         wprintf("<A HREF=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 420                 yesterday.year, yesterday.month, yesterday.day);
 421         wprintf("<IMG ALIGN=MIDDLE SRC=\"/static/back.gif\" BORDER=0></A>");
 422         wprintf("</TD>");
 423
 424         /* Today's date */
 425         wprintf("<TD ALIGN=CENTER>");
 426         wprintf("<FONT SIZE=+2>%s</FONT><br />"
 427                 "<FONT SIZE=+3>%d</FONT><br />"
 428                 "<FONT SIZE=+2>%d</FONT><br />",
 429                 months[month-1], day, year);
 430         wprintf("</TD>");
 431
 432         /* Right arrow */
 433         wprintf("<TD ALIGN=CENTER>");
 434         wprintf("<A HREF=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 435                 tomorrow.year, tomorrow.month, tomorrow.day);
 436         wprintf("<IMG ALIGN=MIDDLE SRC=\"/static/forward.gif\""
 437                 " BORDER=0></A>\n");
 438         wprintf("</TD>");
 439
 440         wprintf("</TR></TABLE>\n");
 441         /* End todays-date-with-left-and-right-arrows */
 442
 443         wprintf("<br /><br /><CENTER><font color=#FFFFFF>"
 444                 "&nbsp;<A HREF=\"/display_edit_event?msgnum=0"
 445                 "&year=%d&month=%d&day=%d\">"
 446                 "Add new calendar event</A>"
 447                 "<br /><br />\n",
 448                 year, month, day
 449         );
 450
 451         wprintf("<A HREF=\"readfwd?calview=month&year=%d&month=%d&day=1\">"
 452                 "Back to month view</A>\n", year, month);
 453
 454         wprintf("</FONT></CENTER>\n");
 455
 456         wprintf("</TD>");                       /* end stuff-on-the-right */
 457
 458
 459
 460         wprintf("</TR></TABLE>"                 /* end of inner table */
 461                 "</TD></TR></TABLE>"            /* end of outer table */
 462         );
 463
 464
 465
 466 }
 467
 468 /*
 469  * Display today's events.
 470  */
 471 void calendar_summary_view(void) {
 472         int i;
 473         icalproperty *p;
 474         struct icaltimetype t;
 475         time_t event_tt;
 476         struct tm event_tm;
 477         struct tm today_tm;
 478         time_t now;
 479         int all_day_event = 0;
 480         char timestring[SIZ];
 481
 482         if (WC->num_cal == 0) {
 483                 return;
 484         }
 485
 486         now = time(NULL);
 487         localtime_r(&now, &today_tm);
 488
 489         for (i=0; i<(WC->num_cal); ++i) {
 490                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 491                                                 ICAL_DTSTART_PROPERTY);
 492                 if (p != NULL) {
 493                         t = icalproperty_get_dtstart(p);
 494                         event_tt = icaltime_as_timet(t);
 495                         if (t.is_date) all_day_event = 1;
 496                         fmt_time(timestring, event_tt);
 497
 498                         if (all_day_event) {
 499                                 gmtime_r(&event_tt, &event_tm);
 500                         }
 501                         else {
 502                                 localtime_r(&event_tt, &event_tm);
 503                         }
 504
 505                         if ( (event_tm.tm_year == today_tm.tm_year)
 506                            && (event_tm.tm_mon == today_tm.tm_mon)
 507                            && (event_tm.tm_mday == today_tm.tm_mday)
 508                            ) {
 509
 510
 511                                 p = icalcomponent_get_first_property(
 512                                                         WC->disp_cal[i].cal,
 513                                                         ICAL_SUMMARY_PROPERTY);
 514                                 if (p != NULL) {
 515                                         escputs((char *)
 516                                                 icalproperty_get_comment(p));
 517                                         wprintf(" (%s)<br />\n", timestring);
 518                                 }
 519                         }
 520                 }
 521         }
 522         free_calendar_buffer();
 523 }
 524
 525
 526
 527 void free_calendar_buffer(void) {
 528         int i;
 529         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 530                 icalcomponent_free(WC->disp_cal[i].cal);
 531         }
 532         WC->num_cal = 0;
 533         free(WC->disp_cal);
 534         WC->disp_cal = NULL;
 535 }
 536
 537
 538
 539
 540 void do_calendar_view(void) {
 541         time_t now;
 542         struct tm tm;
 543         int year, month, day;
 544         char calview[SIZ];
 545
 546         /* In case no date was specified, go with today */
 547         now = time(NULL);
 548         localtime_r(&now, &tm);
 549         year = tm.tm_year + 1900;
 550         month = tm.tm_mon + 1;
 551         day = tm.tm_mday;
 552
 553         /* Now see if a date was specified */
 554         if (strlen(bstr("year")) > 0) year = atoi(bstr("year"));
 555         if (strlen(bstr("month")) > 0) month = atoi(bstr("month"));
 556         if (strlen(bstr("day")) > 0) day = atoi(bstr("day"));
 557
 558         /* How would you like that cooked? */
 559         if (strlen(bstr("calview")) > 0) {
 560                 strcpy(calview, bstr("calview"));
 561         }
 562         else {
 563                 strcpy(calview, "month");
 564         }
 565
 566         /* Display the selected view */
 567         if (!strcasecmp(calview, "day")) {
 568                 calendar_day_view(year, month, day);
 569         }
 570         else if (!strcasecmp(calview, "week")) {
 571                 calendar_week_view(year, month, day);
 572         }
 573         else {
 574                 calendar_month_view(year, month, day);
 575         }
 576
 577         /* Free the calendar stuff */
 578         free_calendar_buffer();
 579
 580 }
 581
 582
 583 /*
 584  * Helper function for do_tasks_view().  Returns the date/time due.
 585  */
 586 time_t get_task_due_date(icalcomponent *vtodo) {
 587         icalproperty *p;
 588
 589         if (vtodo == NULL) {
 590                 return(0L);
 591         }
 592
 593         /* If we're looking at a fully encapsulated VCALENDAR
 594          * rather than a VTODO component, recurse into the data
 595          * structure until we get a VTODO.
 596          */
 597         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
 598                 return get_task_due_date(
 599                         icalcomponent_get_first_component(
 600                                 vtodo, ICAL_VTODO_COMPONENT
 601                         )
 602                 );
 603         }
 604
 605         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
 606         if (p != NULL) {
 607                 return(icaltime_as_timet(icalproperty_get_due(p)));
 608         }
 609         else {
 610                 return(0L);
 611         }
 612 }
 613
 614
 615 /*
 616  * Compare the due dates of two tasks (this is for sorting)
 617  */
 618 int task_due_cmp(const void *task1, const void *task2) {
 619         time_t t1;
 620         time_t t2;
 621
 622         t1 =  get_task_due_date(((struct disp_cal *)task1)->cal);
 623         t2 =  get_task_due_date(((struct disp_cal *)task2)->cal);
 624
 625         if (t1 < t2) return(-1);
 626         if (t1 > t2) return(1);
 627         return(0);
 628 }
 629
 630
 631
 632
 633
 634 void do_tasks_view(void) {
 635         int i;
 636         time_t due;
 637         int bg = 0;
 638         char buf[SIZ];
 639         icalproperty *p;
 640
 641         do_template("beginbox_nt");
 642
 643         wprintf("<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%%>\n<TR>\n"
 644                 "<TH>Name of task</TH>\n"
 645                 "<TH>Date due</TH></TR>\n"
 646         );
 647
 648         /* Sort them if necessary */
 649         if (WC->num_cal > 1) {
 650                 qsort(WC->disp_cal,
 651                         WC->num_cal,
 652                         sizeof(struct disp_cal),
 653                         task_due_cmp
 654                 );
 655         }
 656
 657         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 658
 659                 bg = 1 - bg;
 660                 wprintf("<TR BGCOLOR=\"#%s\"><TD>",
 661                         (bg ? "DDDDDD" : "FFFFFF")
 662                 );
 663
 664                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 665                                                         ICAL_SUMMARY_PROPERTY);
 666                 wprintf("<A HREF=\"/display_edit_task?msgnum=%ld&taskrm=",
 667                         WC->disp_cal[i].cal_msgnum );
 668                 urlescputs(WC->wc_roomname);
 669                 wprintf("\">");
 670                 if (p != NULL) {
 671                         escputs((char *)icalproperty_get_comment(p));
 672                 }
 673                 wprintf("</A>\n");
 674                 wprintf("</TD>\n");
 675
 676                 due = get_task_due_date(WC->disp_cal[i].cal);
 677                 fmt_date(buf, due);
 678                 wprintf("<TD><FONT");
 679                 if (due < time(NULL)) {
 680                         wprintf(" COLOR=\"#FF0000\"");
 681                 }
 682                 wprintf(">%s</FONT></TD></TR>\n", buf);
 683         }
 684
 685         wprintf("</TABLE>\n");
 686
 687         wprintf("<hr /><A HREF=\"/display_edit_task?msgnum=0\">"
 688                 "Add new task</A>\n"
 689         );
 690
 691         do_template("endbox");
 692
 693
 694         /* Free the list */
 695         free_calendar_buffer();
 696
 697 }
 698
 699 #endif  /* WEBCIT_WITH_CALENDAR_SERVICE */