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