webcit/calendar_view.c

   1 /*
   2  * $Id$
   3  */
   4 /**
   5  * \defgroup CalHtmlHandles Handles the HTML display of calendar items.
   6  * \ingroup Calendaring
   7  */
   8 /*@{*/
   9 #include "webcit.h"
  10 #include "webserver.h"
  11
  12 #ifndef WEBCIT_WITH_CALENDAR_SERVICE
  13
  14 /**\brief stub for non-libical builds */
  15 void do_calendar_view(void) {
  16         wprintf("<center><i>");
  17         wprintf(_("The calendar view is not available."));
  18         wprintf("</i></center><br />\n");
  19 }
  20
  21 /**\brief stub for non-libical builds */
  22 void do_tasks_view(void) {
  23         wprintf("<center><I>");
  24         wprintf(_("The tasks view is not available."));
  25         wprintf("</i></center><br />\n");
  26 }
  27
  28 #else   /* WEBCIT_WITH_CALENDAR_SERVICE */
  29
  30 /****************************************************************************/
  31
  32 /**
  33  * \brief Display one day of a whole month view of a calendar
  34  * \param thetime the month we want to see
  35  */
  36 void calendar_month_view_display_events(time_t thetime) {
  37         int i;
  38         time_t event_tt;
  39         time_t event_tte;
  40         struct tm event_tm;
  41         struct tm event_te;
  42         struct tm today_tm;
  43         icalproperty *p = NULL;
  44         icalproperty *pe = NULL;
  45         icalproperty *q = NULL;
  46         struct icaltimetype t;
  47         int month, day, year;
  48         int all_day_event = 0;
  49         time_t tt;
  50         char buf[256];
  51
  52         if (WC->num_cal == 0) {
  53                 wprintf("<br /><br /><br />\n");
  54                 return;
  55         }
  56
  57         localtime_r(&thetime, &today_tm);
  58         month = today_tm.tm_mon + 1;
  59         day = today_tm.tm_mday;
  60         year = today_tm.tm_year + 1900;
  61
  62         for (i=0; i<(WC->num_cal); ++i) {
  63                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
  64                                                 ICAL_DTSTART_PROPERTY);
  65                 pe = icalcomponent_get_first_property(WC->disp_cal[i].cal,
  66                                                       ICAL_DTEND_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                                 gmtime_r(&event_tt, &event_te);// allday events don't have end-dates.
  77                         }
  78                         else {
  79                                 localtime_r(&event_tt, &event_tm);
  80                                 if (pe != NULL)
  81                                 {
  82                                         t = icalproperty_get_dtend(pe);
  83                                         event_tte = icaltime_as_timet(t);
  84                                         localtime_r(&event_tte, &event_te);
  85                                 }
  86                                 else
  87                                         localtime_r(&event_tt, &event_te);
  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                            && (event_te.tm_year >= today_tm.tm_year)
  94                            && (event_te.tm_mon >= today_tm.tm_mon)
  95                            && (event_te.tm_mday >= today_tm.tm_mday)) {
  96
  97                                 p = icalcomponent_get_first_property(
  98                                                         WC->disp_cal[i].cal,
  99                                                         ICAL_SUMMARY_PROPERTY);
 100                                 if (p != NULL) {
 101
 102                                         if (all_day_event) {
 103                                                 wprintf("<table border=0 cellpadding=2><TR>"
 104                                                         "<td bgcolor=\"#CCCCDD\">"
 105                                                 );
 106                                         }
 107
 108                                         wprintf("<font size=-1>"
 109                                                 "<a href=\"display_edit_event?"
 110                                                 "msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\""
 111                                                 " btt_tooltext=\"",
 112                                                 WC->disp_cal[i].cal_msgnum,
 113                                                 bstr("calview"),
 114                                                 bstr("year"),
 115                                                 bstr("month"),
 116                                                 bstr("day")
 117                                         );
 118
 119                                         wprintf("<i>%s</i> ", _("Summary:"));
 120                                         escputs((char *)icalproperty_get_comment(p));
 121                                         wprintf("<br />");
 122
 123                                         q = icalcomponent_get_first_property(
 124                                                         WC->disp_cal[i].cal,
 125                                                         ICAL_LOCATION_PROPERTY);
 126                                         if (q) {
 127                                                 wprintf("<i>%s</i> ", _("Location:"));
 128                                                 escputs((char *)icalproperty_get_comment(q));
 129                                                 wprintf("<br />");
 130                                         }
 131
 132                                         /**
 133                                          * Only show start/end times if we're actually looking at the VEVENT
 134                                          * component.  Otherwise it shows bogus dates for e.g. timezones
 135                                          */
 136                                         if (icalcomponent_isa(WC->disp_cal[i].cal) == ICAL_VEVENT_COMPONENT) {
 137
 138                                                 q = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 139                                                                                 ICAL_DTSTART_PROPERTY);
 140                                                 if (q != NULL) {
 141                                                         t = icalproperty_get_dtstart(q);
 142
 143                                                         if (t.is_date) {
 144                                                                 struct tm d_tm;
 145                                                                 char d_str[32];
 146                                                                 memset(&d_tm, 0, sizeof d_tm);
 147                                                                 d_tm.tm_year = t.year - 1900;
 148                                                                 d_tm.tm_mon = t.month - 1;
 149                                                                 d_tm.tm_mday = t.day;
 150                                                                 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 151                                                                 wprintf("<i>%s</i> %s<br>",
 152                                                                         _("Date:"), d_str);
 153                                                         }
 154                                                         else {
 155                                                                 tt = icaltime_as_timet(t);
 156                                                                 fmt_date(buf, tt, 1);
 157                                                                 wprintf("<i>%s</i> %s<br>",
 158                                                                         _("Starting date/time:"), buf);
 159
 160                                                                 /* Embed the 'show end date/time' loop inside here so it
 161                                                                  * only executes if this is NOT an all day event.
 162                                                                  */
 163                                                                 q = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 164                                                                                                         ICAL_DTEND_PROPERTY);
 165                                                                 if (q != NULL) {
 166                                                                         t = icalproperty_get_dtend(q);
 167                                                                         tt = icaltime_as_timet(t);
 168                                                                         fmt_date(buf, tt, 1);
 169                                                                         wprintf("<i>%s</i> %s<br>",
 170                                                                                 _("Ending date/time:"), buf);
 171                                                                 }
 172
 173                                                         }
 174                                                 }
 175
 176                                         }
 177
 178                                         q = icalcomponent_get_first_property(
 179                                                         WC->disp_cal[i].cal,
 180                                                         ICAL_DESCRIPTION_PROPERTY);
 181                                         if (q) {
 182                                                 wprintf("<i>%s</i> ", _("Notes:"));
 183                                                 escputs((char *)icalproperty_get_comment(q));
 184                                                 wprintf("<br />");
 185                                         }
 186
 187                                         wprintf("\">");
 188                                         escputs((char *)
 189                                                 icalproperty_get_comment(p));
 190                                         wprintf("</a></font><br />\n");
 191
 192                                         if (all_day_event) {
 193                                                 wprintf("</td></tr></table>");
 194                                         }
 195
 196                                 }
 197
 198                         }
 199
 200
 201                 }
 202         }
 203 }
 204
 205
 206 /**
 207  * \brief Display one day of a whole month view of a calendar
 208  * \param thetime the month we want to see
 209  */
 210 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 211         int i;
 212         time_t event_tt;
 213         time_t event_tts;
 214         time_t event_tte;
 215         struct tm event_tms;
 216         struct tm event_tme;
 217         struct tm today_tm;
 218         icalproperty *p;
 219         icalproperty *e;
 220         struct icaltimetype t;
 221         int month, day, year;
 222         int all_day_event = 0;
 223         char calhourformat[16];
 224         char *timeformat;
 225
 226         get_preference("calhourformat", calhourformat, sizeof calhourformat);
 227         if (!strcasecmp(calhourformat, "24"))   timeformat="%k:%M";
 228         else timeformat="%I:%M %p";
 229
 230         localtime_r(&thetime, &today_tm);
 231         month = today_tm.tm_mon + 1;
 232         day = today_tm.tm_mday;
 233         year = today_tm.tm_year + 1900;
 234
 235         for (i=0; i<(WC->num_cal); ++i) {
 236                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 237                                                 ICAL_DTSTART_PROPERTY);
 238                 if (p != NULL) {
 239                         t = icalproperty_get_dtstart(p);
 240                         event_tt = icaltime_as_timet(t);
 241                         event_tts=event_tt;
 242                         if (t.is_date) all_day_event = 1;
 243                         else all_day_event = 0;
 244
 245                         if (all_day_event) {
 246                                 gmtime_r(&event_tts, &event_tms);
 247                         }
 248                         else {
 249                                 localtime_r(&event_tts, &event_tms);
 250                         }
 251                         /** \todo epoch &! daymask */
 252                         if ((event_tms.tm_year == today_tm.tm_year)
 253                            && (event_tms.tm_mon == today_tm.tm_mon)
 254                            && (event_tms.tm_mday == today_tm.tm_mday)) {
 255
 256
 257                                 char sbuf[255];
 258                                 char ebuf[255];
 259
 260                                 p = icalcomponent_get_first_property(
 261                                                         WC->disp_cal[i].cal,
 262                                                         ICAL_SUMMARY_PROPERTY);
 263                                 e = icalcomponent_get_first_property(
 264                                                         WC->disp_cal[i].cal,
 265                                                         ICAL_DTEND_PROPERTY);
 266                                 if ((p != NULL) && (e != NULL)) {
 267                                         time_t difftime;
 268                                         int hours, minutes;
 269                                         t = icalproperty_get_dtend(e);
 270                                         event_tte = icaltime_as_timet(t);
 271                                         localtime_r(&event_tte, &event_tme);
 272                                         difftime=(event_tte-event_tts)/60;
 273                                         hours=(int)(difftime / 60);
 274                                         minutes=difftime % 60;
 275                                         wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 276                                                         "<font size=-1>"
 277                                                         "<a href=\"display_edit_event?msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\">",
 278                                                         daycolor,
 279                                                         hours, minutes,
 280                                                         daycolor,
 281                                                         WC->disp_cal[i].cal_msgnum,
 282                                                         bstr("calview"),
 283                                                         bstr("year"),
 284                                                         bstr("month"),
 285                                                         bstr("day")
 286                                                         );
 287
 288                                         escputs((char *)
 289                                                         icalproperty_get_comment(p));
 290                                         /** \todo: allso ammitime format */
 291                                         wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 292                                         wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 293
 294                                         wprintf("</a></font></td>"
 295                                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 296                                                         daycolor,
 297                                                         sbuf,
 298                                                         daycolor,
 299                                                         ebuf);
 300
 301                                 }
 302
 303                         }
 304
 305
 306                 }
 307         }
 308 }
 309
 310
 311 /**
 312  * \brief view one month. pretty view
 313  * \param year the year
 314  * \param month the month
 315  * \param day the actual day we want to see
 316  */
 317 void calendar_month_view(int year, int month, int day) {
 318         struct tm starting_tm;
 319         struct tm tm;
 320         time_t thetime;
 321         int i;
 322         time_t previous_month;
 323         time_t next_month;
 324         time_t colheader_time;
 325         struct tm colheader_tm;
 326         char colheader_label[32];
 327
 328         /** Determine what day to start.
 329          * First, back up to the 1st of the month...
 330          */
 331         memset(&starting_tm, 0, sizeof(struct tm));
 332         starting_tm.tm_year = year - 1900;
 333         starting_tm.tm_mon = month - 1;
 334         starting_tm.tm_mday = day;
 335         thetime = mktime(&starting_tm);
 336
 337         memcpy(&tm, &starting_tm, sizeof(struct tm));
 338         while (tm.tm_mday != 1) {
 339                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 340                 localtime_r(&thetime, &tm);
 341         }
 342
 343         /** Determine previous and next months ... for links */
 344         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 345         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 346
 347         /** Now back up until we're on a Sunday */
 348         localtime_r(&thetime, &tm);
 349         while (tm.tm_wday != 0) {
 350                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 351                 localtime_r(&thetime, &tm);
 352         }
 353
 354         /** Outer table (to get the background color) */
 355         wprintf("<div class=\"fix_scrollbar_bug\">"
 356                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 357                 "bgcolor=#204B78><TR><TD>\n");
 358
 359         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 360
 361         wprintf("<td align=center>");
 362
 363         localtime_r(&previous_month, &tm);
 364         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 365                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 366         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 367
 368         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 369         wprintf("&nbsp;&nbsp;"
 370                 "<font size=+1 color=\"#FFFFFF\">"
 371                 "%s %d"
 372                 "</font>"
 373                 "&nbsp;&nbsp;", colheader_label, year);
 374
 375         localtime_r(&next_month, &tm);
 376         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 377                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 378         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 379
 380         wprintf("</td></tr></table>\n");
 381
 382         /** Inner table (the real one) */
 383         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 384                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 385         colheader_time = thetime;
 386         for (i=0; i<7; ++i) {
 387                 colheader_time = thetime + (i * 86400) ;
 388                 localtime_r(&colheader_time, &colheader_tm);
 389                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 390                 wprintf("<td align=center width=14%%>"
 391                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 392
 393         }
 394         wprintf("</tr>\n");
 395
 396         /** Now do 35 days */
 397         for (i = 0; i < 35; ++i) {
 398                 localtime_r(&thetime, &tm);
 399
 400                 /** Before displaying Sunday, start a new row */
 401                 if ((i % 7) == 0) {
 402                         wprintf("<tr>");
 403                 }
 404
 405                 wprintf("<td bgcolor=\"#%s\" width=14%% height=60 align=left valign=top><b>",
 406                         ((tm.tm_mon != month-1) ? "DDDDDD" :
 407                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 408                         "FFFFFF"))
 409                 );
 410                 if ((i==0) || (tm.tm_mday == 1)) {
 411                         wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 412                         wprintf("%s ", colheader_label);
 413                 }
 414                 wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">"
 415                         "%d</a></b><br />",
 416                         tm.tm_year + 1900,
 417                         tm.tm_mon + 1,
 418                         tm.tm_mday,
 419                         tm.tm_mday);
 420
 421                 /** put the data here, stupid */
 422                 calendar_month_view_display_events(thetime);
 423
 424                 wprintf("</td>");
 425
 426                 /** After displaying Saturday, end the row */
 427                 if ((i % 7) == 6) {
 428                         wprintf("</tr>\n");
 429                 }
 430
 431                 thetime += (time_t)86400;               /** ahead 24 hours */
 432         }
 433
 434         wprintf("</table>"                      /** end of inner table */
 435                 "</td></tr></table>"            /** end of outer table */
 436                 "</div>\n");
 437
 438         /**
 439          * Initialize the bubble tooltips.
 440          *
 441          * Yes, this is as stupid as it looks.  Instead of just making the call
 442          * to btt_enableTooltips() straight away, we have to create a timer event
 443          * and let it initialize as an event after 1 millisecond.  This is to
 444          * work around a bug in Internet Explorer that causes it to crash if we
 445          * manipulate the innerHTML of various DOM nodes while the page is still
 446          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 447          * for more information.
 448          */
 449         wprintf("<script type=\"text/javascript\">"
 450                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); "
 451                 "</script>\n"
 452         );
 453 }
 454
 455 /**
 456  * \brief view one month. brief view
 457  * \param year the year
 458  * \param month the month
 459  * \param day the actual day we want to see
 460  */
 461 void calendar_brief_month_view(int year, int month, int day) {
 462         struct tm starting_tm;
 463         struct tm tm;
 464         time_t thetime;
 465         int i;
 466         time_t previous_month;
 467         time_t next_month;
 468         char month_label[32];
 469
 470         /** Determine what day to start.
 471          * First, back up to the 1st of the month...
 472          */
 473         memset(&starting_tm, 0, sizeof(struct tm));
 474         starting_tm.tm_year = year - 1900;
 475         starting_tm.tm_mon = month - 1;
 476         starting_tm.tm_mday = day;
 477         thetime = mktime(&starting_tm);
 478
 479         memcpy(&tm, &starting_tm, sizeof(struct tm));
 480         while (tm.tm_mday != 1) {
 481                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 482                 localtime_r(&thetime, &tm);
 483         }
 484
 485         /** Determine previous and next months ... for links */
 486         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 487         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 488
 489         /** Now back up until we're on a Sunday */
 490         localtime_r(&thetime, &tm);
 491         while (tm.tm_wday != 0) {
 492                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 493                 localtime_r(&thetime, &tm);
 494         }
 495
 496         /** Outer table (to get the background color) */
 497         wprintf("<div class=\"fix_scrollbar_bug\">"
 498                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 499                 "bgcolor=#204B78><TR><TD>\n");
 500
 501         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 502
 503         wprintf("<td align=center>");
 504
 505         localtime_r(&previous_month, &tm);
 506         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 507                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 508         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 509
 510         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 511         wprintf("&nbsp;&nbsp;"
 512                 "<font size=+1 color=\"#FFFFFF\">"
 513                 "%s %d"
 514                 "</font>"
 515                 "&nbsp;&nbsp;", month_label, year);
 516
 517         localtime_r(&next_month, &tm);
 518         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 519                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 520         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 521
 522         wprintf("</td></tr></table>\n");
 523
 524         /** Inner table (the real one) */
 525         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 526                 "bgcolor=#EEEECC><TR>");
 527         wprintf("</tr>\n");
 528         wprintf("<tr><td colspan=\"100%\">\n");
 529
 530         /** Now do 35 days */
 531         for (i = 0; i < 35; ++i) {
 532                 char weeknumber[255];
 533                 char weekday_name[32];
 534                 char *daycolor;
 535                 localtime_r(&thetime, &tm);
 536
 537
 538                 /** Before displaying Sunday, start a new CELL */
 539                 if ((i % 7) == 0) {
 540                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 541                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%'> <tr><th colspan='4'>%s %s</th></tr>"
 542                                         "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 543                                         _("Week"),
 544                                         weeknumber,
 545                                         _("Hours"),
 546                                         _("Subject"),
 547                                         _("Start"),
 548                                         _("End")
 549                                         );
 550                 }
 551
 552                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 553                                   ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 554                                    "FFFFFF"));
 555
 556                 /** Day Header */
 557                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 558                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 559                                 "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 560                                 daycolor,
 561                                 weekday_name,tm.tm_mday,
 562                                 daycolor);
 563
 564                 /** put the data of one day  here, stupid */
 565                 calendar_month_view_brief_events(thetime, daycolor);
 566
 567
 568                 /** After displaying Saturday, end the row */
 569                 if ((i % 7) == 6) {
 570                         wprintf("</td></tr></table>\n");
 571                 }
 572
 573                 thetime += (time_t)86400;               /** ahead 24 hours */
 574         }
 575
 576         wprintf("</table>"                      /** end of inner table */
 577                 "</td></tr></table>"            /** end of outer table */
 578                 "</div>\n");
 579 }
 580
 581 /**
 582  * \brief view one week
 583  * this should view just one week, but it's not here yet.
 584  * \todo ny implemented
 585  * \param year the year
 586  * \param month the month
 587  * \param day the day which we want to see the week around
 588  */
 589 void calendar_week_view(int year, int month, int day) {
 590         wprintf("<center><i>week view FIXME</i></center><br />\n");
 591 }
 592
 593
 594 /**
 595  * \brief display one day
 596  * Display events for a particular hour of a particular day.
 597  * (Specify hour < 0 to show "all day" events)
 598  * \param year the year
 599  * \param month the month
 600  * \param day the day
 601  * \param hour the hour we want to start displaying?????
 602  */
 603 void calendar_day_view_display_events(int year, int month,
 604                                         int day, int hour) {
 605         int i;
 606         icalproperty *p;
 607         icalproperty *pe = NULL;
 608         struct icaltimetype t;
 609         struct icaltimetype te;
 610         time_t event_tt;
 611         time_t event_tte;
 612         struct tm event_te;
 613         struct tm event_tm;
 614         int all_day_event = 0;
 615
 616         if (WC->num_cal == 0) {
 617                 // \todo FIXME wprintf("<br /><br /><br />\n");
 618                 return;
 619         }
 620
 621         for (i=0; i<(WC->num_cal); ++i) {
 622                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 623                                                 ICAL_DTSTART_PROPERTY);
 624                 pe = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 625                                                       ICAL_DTEND_PROPERTY);
 626                 if (p != NULL) {
 627                         t = icalproperty_get_dtstart(p);
 628                         event_tt = icaltime_as_timet(t);
 629                         if (t.is_date) {
 630                                 all_day_event = 1;
 631                         }
 632                         else {
 633                                 all_day_event = 0;
 634                         }
 635
 636                         if (all_day_event) {
 637                                 gmtime_r(&event_tt, &event_tm);
 638                                 gmtime_r(&event_tt, &event_te);
 639                         }
 640                         else {
 641                                 localtime_r(&event_tt, &event_tm);
 642                                 if (pe != NULL)
 643                                 {
 644                                         te = icalproperty_get_dtend(pe);
 645                                         event_tte = icaltime_as_timet(te);
 646                                         localtime_r(&event_tte, &event_te);
 647                                 }
 648                                 else
 649                                         localtime_r(&event_tt, &event_te);
 650                         }
 651
 652                         if (((event_tm.tm_year <= (year-1900))
 653                              && (event_tm.tm_mon <= (month-1))
 654                              && (event_tm.tm_mday <= day)
 655                              && (event_te.tm_year >= (year-1900))
 656                              && (event_te.tm_mon >= (month-1))
 657                              && (event_te.tm_mday >= day))
 658                             && (
 659                                  // are we in the start hour?
 660                                     ((event_tm.tm_mday == day)
 661                                      && (event_tm.tm_hour == hour)
 662                                      && (!t.is_date))
 663                                  // are we an all day event?
 664                                     || ((hour<0)&&(t.is_date))
 665                                  // does it span multible days and we're not at the start day?
 666                                     || ((hour<0)
 667                                         && (event_tm.tm_mday < day)
 668                                         && (event_te.tm_mday >= day))
 669                                     ))
 670                         {
 671                                 p = icalcomponent_get_first_property(
 672                                                         WC->disp_cal[i].cal,
 673                                                         ICAL_SUMMARY_PROPERTY);
 674                                 if (p != NULL) {
 675
 676                                         if (all_day_event) {
 677                                                 wprintf("<table border=1 cellpadding=2><TR>"
 678                                                         "<td bgcolor=\"#CCCCCC\">"
 679                                                 );
 680                                         }
 681
 682                                         wprintf("<font size=-1>"
 683                                                 "<a href=\"display_edit_event?msgnum=%ld&calview=day&year=%d&month=%d&day=%d\">",
 684                                                 WC->disp_cal[i].cal_msgnum,
 685                                                 year, month, day
 686                                         );
 687                                         escputs((char *)
 688                                                 icalproperty_get_comment(p));
 689                                         wprintf("</a></font><br />\n");
 690
 691                                         if (all_day_event) {
 692                                                 wprintf("</td></tr></table>");
 693                                         }
 694                                 }
 695
 696                         }
 697
 698
 699                 }
 700         }
 701 }
 702
 703
 704 /**
 705  * \brief view one day
 706  * \param year the year
 707  * \param month the month
 708  * \param day the day we want to display
 709  */
 710 void calendar_day_view(int year, int month, int day) {
 711         int hour;
 712         struct icaltimetype today, yesterday, tomorrow;
 713         char calhourformat[16];
 714         int daystart = 8;
 715         int dayend = 17;
 716         char daystart_str[16], dayend_str[16];
 717         struct tm d_tm;
 718         char d_str[128];
 719
 720         get_preference("calhourformat", calhourformat, sizeof calhourformat);
 721         get_preference("daystart", daystart_str, sizeof daystart_str);
 722         if (!IsEmptyStr(daystart_str)) daystart = atoi(daystart_str);
 723         get_preference("dayend", dayend_str, sizeof dayend_str);
 724         if (!IsEmptyStr(dayend_str)) dayend = atoi(dayend_str);
 725
 726
 727         /** Figure out the dates for "yesterday" and "tomorrow" links */
 728
 729         memset(&today, 0, sizeof(struct icaltimetype));
 730         today.year = year;
 731         today.month = month;
 732         today.day = day;
 733         today.is_date = 1;
 734
 735         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
 736         --yesterday.day;
 737         yesterday = icaltime_normalize(yesterday);
 738
 739         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
 740         ++tomorrow.day;
 741         tomorrow = icaltime_normalize(tomorrow);
 742
 743
 744         /** Outer table (to get the background color) */
 745         wprintf("<div class=\"fix_scrollbar_bug\">"
 746                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 747                 "bgcolor=#204B78><tr><td>\n");
 748
 749         /** Inner table (the real one) */
 750         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 751                 "bgcolor=#204B78><tr>\n");
 752
 753         /** Innermost table (contains hours etc.) */
 754         wprintf("<td width=80%%>"
 755                 "<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 756                 "bgcolor=#204B78>\n");
 757
 758         /** Display events before 8:00 (hour=-1 is all-day events) */
 759         wprintf("<tr>"
 760                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 761                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 762         for (hour = (-1); hour <= (daystart-1); ++hour) {
 763                 calendar_day_view_display_events(year, month, day, hour);
 764         }
 765         wprintf("</td></tr>\n");
 766
 767         /** Now the middle of the day... */
 768         for (hour = daystart; hour <= dayend; ++hour) { /* could do HEIGHT=xx */
 769                 wprintf("<tr height=30><td bgcolor=\"#CCCCDD\" align=middle "
 770                         "valign=middle width=10%%>");
 771                 wprintf("<a href=\"display_edit_event?msgnum=0"
 772                         "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
 773                         year, month, day, hour
 774                 );
 775
 776                 if (!strcasecmp(calhourformat, "24")) {
 777                         wprintf("%2d:00</a> ", hour);
 778                 }
 779                 else {
 780                         wprintf("%d:00%s</a> ",
 781                                 (hour <= 12 ? hour : hour-12),
 782                                 (hour < 12 ? "am" : "pm")
 783                         );
 784                 }
 785
 786                 wprintf("</td><td bgcolor=\"#FFFFFF\" valign=top>");
 787
 788                 /* put the data here, stupid */
 789                 calendar_day_view_display_events(year, month, day, hour);
 790
 791                 wprintf("</td></tr>\n");
 792         }
 793
 794         /** Display events after 5:00... */
 795         wprintf("<tr>"
 796                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 797                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 798         for (hour = (dayend+1); hour <= 23; ++hour) {
 799                 calendar_day_view_display_events(year, month, day, hour);
 800         }
 801         wprintf("</td></tr>\n");
 802
 803
 804         wprintf("</table>"                      /* end of innermost table */
 805                 "</td>"
 806         );
 807
 808         wprintf("<td width=20%% valign=top>");  /* begin stuff-on-the-right */
 809
 810
 811         /** Begin todays-date-with-left-and-right-arrows */
 812         wprintf("<table border=0 width=100%% "
 813                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
 814         wprintf("<tr>");
 815
 816         /** Left arrow */
 817         wprintf("<td align=center>");
 818         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 819                 yesterday.year, yesterday.month, yesterday.day);
 820         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
 821         wprintf("</td>");
 822
 823         /** Today's date */
 824         memset(&d_tm, 0, sizeof d_tm);
 825         d_tm.tm_year = year - 1900;
 826         d_tm.tm_mon = month - 1;
 827         d_tm.tm_mday = day;
 828         wc_strftime(d_str, sizeof d_str,
 829                 "<td align=center>"
 830                 "<font size=+2>%B</font><br />"
 831                 "<font size=+3>%d</font><br />"
 832                 "<font size=+2>%Y</font><br />"
 833                 "</td>",
 834                 &d_tm
 835         );
 836         wprintf("%s", d_str);
 837
 838         /** Right arrow */
 839         wprintf("<td align=center>");
 840         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 841                 tomorrow.year, tomorrow.month, tomorrow.day);
 842         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
 843                 " border=0></A>\n");
 844         wprintf("</td>");
 845
 846         wprintf("</tr></table>\n");
 847         /** End todays-date-with-left-and-right-arrows */
 848
 849         /** \todo In the future we might want to put a month-o-matic here */
 850
 851         wprintf("</font></center>\n");
 852
 853         wprintf("</td>");                       /** end stuff-on-the-right */
 854
 855
 856
 857         wprintf("</tr></table>"                 /** end of inner table */
 858                 "</td></tr></table></div>"      /** end of outer table */
 859         );
 860
 861
 862
 863 }
 864
 865 /**
 866  * \brief Display today's events.
 867  */
 868 void calendar_summary_view(void) {
 869         int i;
 870         icalproperty *p;
 871         struct icaltimetype t;
 872         time_t event_tt;
 873         struct tm event_tm;
 874         struct tm today_tm;
 875         time_t now;
 876         int all_day_event = 0;
 877         char timestring[SIZ];
 878
 879         if (WC->num_cal == 0) {
 880                 return;
 881         }
 882
 883         now = time(NULL);
 884         localtime_r(&now, &today_tm);
 885
 886         for (i=0; i<(WC->num_cal); ++i) {
 887                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 888                                                 ICAL_DTSTART_PROPERTY);
 889                 if (p != NULL) {
 890                         t = icalproperty_get_dtstart(p);
 891                         event_tt = icaltime_as_timet(t);
 892                         if (t.is_date) {
 893                                 all_day_event = 1;
 894                         }
 895                         else {
 896                                 all_day_event = 0;
 897                         }
 898                         fmt_time(timestring, event_tt);
 899
 900                         if (all_day_event) {
 901                                 gmtime_r(&event_tt, &event_tm);
 902                         }
 903                         else {
 904                                 localtime_r(&event_tt, &event_tm);
 905                         }
 906
 907                         if ( (event_tm.tm_year == today_tm.tm_year)
 908                            && (event_tm.tm_mon == today_tm.tm_mon)
 909                            && (event_tm.tm_mday == today_tm.tm_mday)
 910                            ) {
 911
 912
 913                                 p = icalcomponent_get_first_property(
 914                                                         WC->disp_cal[i].cal,
 915                                                         ICAL_SUMMARY_PROPERTY);
 916                                 if (p != NULL) {
 917                                         escputs((char *)
 918                                                 icalproperty_get_comment(p));
 919                                         wprintf(" (%s)<br />\n", timestring);
 920                                 }
 921                         }
 922                 }
 923         }
 924         free_calendar_buffer();
 925 }
 926
 927
 928 /**
 929  * \brief clean up ical memory
 930  * \todo this could get troubel with future ical versions
 931  */
 932 void free_calendar_buffer(void) {
 933         int i;
 934         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 935                 icalcomponent_free(WC->disp_cal[i].cal);
 936         }
 937         WC->num_cal = 0;
 938         free(WC->disp_cal);
 939         WC->disp_cal = NULL;
 940 }
 941
 942
 943
 944 /**
 945  * \brief do the whole calendar page
 946  * view any part of the calender. decide which way, etc.
 947  */
 948 void do_calendar_view(void) {
 949         time_t now;
 950         struct tm tm;
 951         int year, month, day;
 952         char calview[SIZ];
 953
 954         /** In case no date was specified, go with today */
 955         now = time(NULL);
 956         localtime_r(&now, &tm);
 957         year = tm.tm_year + 1900;
 958         month = tm.tm_mon + 1;
 959         day = tm.tm_mday;
 960
 961         /** Now see if a date was specified */
 962         if (!IsEmptyStr(bstr("year"))) year = atoi(bstr("year"));
 963         if (!IsEmptyStr(bstr("month"))) month = atoi(bstr("month"));
 964         if (!IsEmptyStr(bstr("day"))) day = atoi(bstr("day"));
 965
 966         /** How would you like that cooked? */
 967         if (!IsEmptyStr(bstr("calview"))) {
 968                 strcpy(calview, bstr("calview"));
 969         }
 970         else {
 971                 strcpy(calview, "month");
 972         }
 973
 974         /** Display the selected view */
 975         if (!strcasecmp(calview, "day")) {
 976                 calendar_day_view(year, month, day);
 977         }
 978         else if (!strcasecmp(calview, "week")) {
 979                 calendar_week_view(year, month, day);
 980         }
 981         else {
 982                 if (WC->wc_view == VIEW_CALBRIEF) {
 983                         calendar_brief_month_view(year, month, day);
 984                 }
 985                 else {
 986                         calendar_month_view(year, month, day);
 987                 }
 988         }
 989
 990         /** Free the calendar stuff */
 991         free_calendar_buffer();
 992
 993 }
 994
 995
 996 /**
 997  * \brief get task due date
 998  * Helper function for do_tasks_view().
 999  * \param vtodo a task to get the due date
1000  * \return the date/time due.
1001  */
1002 time_t get_task_due_date(icalcomponent *vtodo) {
1003         icalproperty *p;
1004
1005         if (vtodo == NULL) {
1006                 return(0L);
1007         }
1008
1009         /**
1010          * If we're looking at a fully encapsulated VCALENDAR
1011          * rather than a VTODO component, recurse into the data
1012          * structure until we get a VTODO.
1013          */
1014         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
1015                 return get_task_due_date(
1016                         icalcomponent_get_first_component(
1017                                 vtodo, ICAL_VTODO_COMPONENT
1018                         )
1019                 );
1020         }
1021
1022         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
1023         if (p != NULL) {
1024                 return(icaltime_as_timet(icalproperty_get_due(p)));
1025         }
1026         else {
1027                 return(0L);
1028         }
1029 }
1030
1031
1032 /**
1033  * \brief Compare the due dates of two tasks (this is for sorting)
1034  * \param task1 first task to compare
1035  * \param task2 second task to compare
1036  */
1037 int task_due_cmp(const void *task1, const void *task2) {
1038         time_t t1;
1039         time_t t2;
1040
1041         t1 =  get_task_due_date(((struct disp_cal *)task1)->cal);
1042         t2 =  get_task_due_date(((struct disp_cal *)task2)->cal);
1043
1044         if (t1 < t2) return(-1);
1045         if (t1 > t2) return(1);
1046         return(0);
1047 }
1048
1049
1050
1051
1052 /**
1053  * \brief do the whole task view stuff
1054  */
1055 void do_tasks_view(void) {
1056         int i;
1057         time_t due;
1058         int bg = 0;
1059         char buf[SIZ];
1060         icalproperty *p;
1061
1062         wprintf("<div class=\"fix_scrollbar_bug\">"
1063                 "<table class=\"calendar_view_background\">\n<tr>\n"
1064                 "<th>");
1065         wprintf(_("Name of task"));
1066         wprintf("</th><th>");
1067         wprintf(_("Date due"));
1068         wprintf("</th></tr>\n"
1069         );
1070
1071         /** Sort them if necessary */
1072         if (WC->num_cal > 1) {
1073                 qsort(WC->disp_cal,
1074                         WC->num_cal,
1075                         sizeof(struct disp_cal),
1076                         task_due_cmp
1077                 );
1078         }
1079
1080         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
1081
1082                 bg = 1 - bg;
1083                 wprintf("<tr bgcolor=\"#%s\"><td>",
1084                         (bg ? "DDDDDD" : "FFFFFF")
1085                 );
1086
1087                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
1088                                                         ICAL_SUMMARY_PROPERTY);
1089                 wprintf("<a href=\"display_edit_task?msgnum=%ld&taskrm=",
1090                         WC->disp_cal[i].cal_msgnum );
1091                 urlescputs(WC->wc_roomname);
1092                 wprintf("\">");
1093                 wprintf("<img align=middle "
1094                         "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;");
1095                 if (p != NULL) {
1096                         escputs((char *)icalproperty_get_comment(p));
1097                 }
1098                 wprintf("</a>\n");
1099                 wprintf("</td>\n");
1100
1101                 due = get_task_due_date(WC->disp_cal[i].cal);
1102                 fmt_date(buf, due, 0);
1103                 wprintf("<td><font");
1104                 if (due < time(NULL)) {
1105                         wprintf(" color=\"#FF0000\"");
1106                 }
1107                 wprintf(">%s</font></td></tr>\n", buf);
1108         }
1109
1110         wprintf("</table></div>\n");
1111
1112         /** Free the list */
1113         free_calendar_buffer();
1114
1115 }
1116
1117 #endif  /* WEBCIT_WITH_CALENDAR_SERVICE */
1118
1119 /** @} */