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         struct tm event_tm;
  40         struct tm today_tm;
  41         icalproperty *p;
  42         struct icaltimetype t;
  43         int month, day, year;
  44         int all_day_event = 0;
  45
  46         if (WC->num_cal == 0) {
  47                 wprintf("<br /><br /><br />\n");
  48                 return;
  49         }
  50
  51         localtime_r(&thetime, &today_tm);
  52         month = today_tm.tm_mon + 1;
  53         day = today_tm.tm_mday;
  54         year = today_tm.tm_year + 1900;
  55
  56         for (i=0; i<(WC->num_cal); ++i) {
  57                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
  58                                                 ICAL_DTSTART_PROPERTY);
  59                 if (p != NULL) {
  60                         t = icalproperty_get_dtstart(p);
  61                         event_tt = icaltime_as_timet(t);
  62
  63                         if (t.is_date) all_day_event = 1;
  64                         else all_day_event = 0;
  65
  66                         if (all_day_event) {
  67                                 gmtime_r(&event_tt, &event_tm);
  68                         }
  69                         else {
  70                                 localtime_r(&event_tt, &event_tm);
  71                         }
  72
  73                         if ((event_tm.tm_year == today_tm.tm_year)
  74                            && (event_tm.tm_mon == today_tm.tm_mon)
  75                            && (event_tm.tm_mday == today_tm.tm_mday)) {
  76
  77                                 p = icalcomponent_get_first_property(
  78                                                         WC->disp_cal[i].cal,
  79                                                         ICAL_SUMMARY_PROPERTY);
  80                                 if (p != NULL) {
  81
  82                                         if (all_day_event) {
  83                                                 wprintf("<table border=0 cellpadding=2><TR>"
  84                                                         "<td bgcolor=\"#CCCCDD\">"
  85                                                 );
  86                                         }
  87
  88                                         wprintf("<font size=-1>"
  89                                                 "<a href=\"display_edit_event?msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\">",
  90                                                 WC->disp_cal[i].cal_msgnum,
  91                                                 bstr("calview"),
  92                                                 bstr("year"),
  93                                                 bstr("month"),
  94                                                 bstr("day")
  95                                         );
  96                                         escputs((char *)
  97                                                 icalproperty_get_comment(p));
  98                                         wprintf("</a></font><br />\n");
  99
 100                                         if (all_day_event) {
 101                                                 wprintf("</td></tr></table>");
 102                                         }
 103
 104                                 }
 105
 106                         }
 107
 108
 109                 }
 110         }
 111 }
 112
 113
 114 /**
 115  * \brief Display one day of a whole month view of a calendar
 116  * \param thetime the month we want to see
 117  */
 118 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 119         int i;
 120         time_t event_tt;
 121         time_t event_tts;
 122         time_t event_tte;
 123         struct tm event_tms;
 124         struct tm event_tme;
 125         struct tm today_tm;
 126         icalproperty *p;
 127         icalproperty *e;
 128         struct icaltimetype t;
 129         int month, day, year;
 130         int all_day_event = 0;
 131         char calhourformat[16];
 132         char *timeformat;
 133
 134         get_preference("calhourformat", calhourformat, sizeof calhourformat);
 135         if (!strcasecmp(calhourformat, "24"))   timeformat="%k:%M";
 136         else timeformat="%I:%M %p";
 137
 138         localtime_r(&thetime, &today_tm);
 139         month = today_tm.tm_mon + 1;
 140         day = today_tm.tm_mday;
 141         year = today_tm.tm_year + 1900;
 142
 143         for (i=0; i<(WC->num_cal); ++i) {
 144                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 145                                                 ICAL_DTSTART_PROPERTY);
 146                 if (p != NULL) {
 147                         t = icalproperty_get_dtstart(p);
 148                         event_tt = icaltime_as_timet(t);
 149                         event_tts=event_tt;
 150                         if (t.is_date) all_day_event = 1;
 151                         else all_day_event = 0;
 152
 153                         if (all_day_event) {
 154                                 gmtime_r(&event_tts, &event_tms);
 155                         }
 156                         else {
 157                                 localtime_r(&event_tts, &event_tms);
 158                         }
 159                         /** \todo epoch &! daymask */
 160                         if ((event_tms.tm_year == today_tm.tm_year)
 161                            && (event_tms.tm_mon == today_tm.tm_mon)
 162                            && (event_tms.tm_mday == today_tm.tm_mday)) {
 163
 164
 165                                 char sbuf[255];
 166                                 char ebuf[255];
 167
 168                                 p = icalcomponent_get_first_property(
 169                                                         WC->disp_cal[i].cal,
 170                                                         ICAL_SUMMARY_PROPERTY);
 171                                 e = icalcomponent_get_first_property(
 172                                                         WC->disp_cal[i].cal,
 173                                                         ICAL_DTEND_PROPERTY);
 174                                 if ((p != NULL) && (e != NULL)) {
 175                                         time_t difftime;
 176                                         int hours, minutes;
 177                                         t = icalproperty_get_dtend(e);
 178                                         event_tte = icaltime_as_timet(t);
 179                                         localtime_r(&event_tte, &event_tme);
 180                                         difftime=(event_tte-event_tts)/60;
 181                                         hours=(int)(difftime / 60);
 182                                         minutes=difftime % 60;
 183                                         wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 184                                                         "<font size=-1>"
 185                                                         "<a href=\"display_edit_event?msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\">",
 186                                                         daycolor,
 187                                                         hours, minutes,
 188                                                         daycolor,
 189                                                         WC->disp_cal[i].cal_msgnum,
 190                                                         bstr("calview"),
 191                                                         bstr("year"),
 192                                                         bstr("month"),
 193                                                         bstr("day")
 194                                                         );
 195
 196                                         escputs((char *)
 197                                                         icalproperty_get_comment(p));
 198                                         /** \todo: allso ammitime format */
 199                                         wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 200                                         wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 201
 202                                         wprintf("</a></font></td>"
 203                                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 204                                                         daycolor,
 205                                                         sbuf,
 206                                                         daycolor,
 207                                                         ebuf);
 208
 209                                 }
 210
 211                         }
 212
 213
 214                 }
 215         }
 216 }
 217
 218
 219 /**
 220  * \brief view one month. pretty view
 221  * \param year the year
 222  * \param month the month
 223  * \param day the actual day we want to see
 224  */
 225 void calendar_month_view(int year, int month, int day) {
 226         struct tm starting_tm;
 227         struct tm tm;
 228         time_t thetime;
 229         int i;
 230         time_t previous_month;
 231         time_t next_month;
 232         time_t colheader_time;
 233         struct tm colheader_tm;
 234         char colheader_label[32];
 235
 236         /** Determine what day to start.
 237          * First, back up to the 1st of the month...
 238          */
 239         memset(&starting_tm, 0, sizeof(struct tm));
 240         starting_tm.tm_year = year - 1900;
 241         starting_tm.tm_mon = month - 1;
 242         starting_tm.tm_mday = day;
 243         thetime = mktime(&starting_tm);
 244
 245         memcpy(&tm, &starting_tm, sizeof(struct tm));
 246         while (tm.tm_mday != 1) {
 247                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 248                 localtime_r(&thetime, &tm);
 249         }
 250
 251         /** Determine previous and next months ... for links */
 252         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 253         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 254
 255         /** Now back up until we're on a Sunday */
 256         localtime_r(&thetime, &tm);
 257         while (tm.tm_wday != 0) {
 258                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 259                 localtime_r(&thetime, &tm);
 260         }
 261
 262         /** Outer table (to get the background color) */
 263         wprintf("<div class=\"fix_scrollbar_bug\">"
 264                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 265                 "bgcolor=#204B78><TR><TD>\n");
 266
 267         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 268
 269         wprintf("<td align=center>");
 270
 271         localtime_r(&previous_month, &tm);
 272         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 273                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 274         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 275
 276         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 277         wprintf("&nbsp;&nbsp;"
 278                 "<font size=+1 color=\"#FFFFFF\">"
 279                 "%s %d"
 280                 "</font>"
 281                 "&nbsp;&nbsp;", colheader_label, year);
 282
 283         localtime_r(&next_month, &tm);
 284         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 285                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 286         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 287
 288         wprintf("</td></tr></table>\n");
 289
 290         /** Inner table (the real one) */
 291         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 292                 "bgcolor=#204B78><tr>");
 293         colheader_time = thetime;
 294         for (i=0; i<7; ++i) {
 295                 colheader_time = thetime + (i * 86400) ;
 296                 localtime_r(&colheader_time, &colheader_tm);
 297                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 298                 wprintf("<td align=center width=14%%>"
 299                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 300
 301         }
 302         wprintf("</tr>\n");
 303
 304         /** Now do 35 days */
 305         for (i = 0; i < 35; ++i) {
 306                 localtime_r(&thetime, &tm);
 307
 308                 /** Before displaying Sunday, start a new row */
 309                 if ((i % 7) == 0) {
 310                         wprintf("<tr>");
 311                 }
 312
 313                 wprintf("<td bgcolor=\"#%s\" width=14%% height=60 align=left valign=top><b>",
 314                         ((tm.tm_mon != month-1) ? "DDDDDD" :
 315                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 316                         "FFFFFF"))
 317                 );
 318                 if ((i==0) || (tm.tm_mday == 1)) {
 319                         wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 320                         wprintf("%s ", colheader_label);
 321                 }
 322                 wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">"
 323                         "%d</a></b><br />",
 324                         tm.tm_year + 1900,
 325                         tm.tm_mon + 1,
 326                         tm.tm_mday,
 327                         tm.tm_mday);
 328
 329                 /** put the data here, stupid */
 330                 calendar_month_view_display_events(thetime);
 331
 332                 wprintf("</td>");
 333
 334                 /** After displaying Saturday, end the row */
 335                 if ((i % 7) == 6) {
 336                         wprintf("</tr>\n");
 337                 }
 338
 339                 thetime += (time_t)86400;               /** ahead 24 hours */
 340         }
 341
 342         wprintf("</table>"                      /** end of inner table */
 343                 "</td></tr></table>"            /** end of outer table */
 344                 "</div>\n");
 345 }
 346
 347 /**
 348  * \brief view one month. brief view
 349  * \param year the year
 350  * \param month the month
 351  * \param day the actual day we want to see
 352  */
 353 void calendar_brief_month_view(int year, int month, int day) {
 354         struct tm starting_tm;
 355         struct tm tm;
 356         time_t thetime;
 357         int i;
 358         time_t previous_month;
 359         time_t next_month;
 360         char month_label[32];
 361
 362         /** Determine what day to start.
 363          * First, back up to the 1st of the month...
 364          */
 365         memset(&starting_tm, 0, sizeof(struct tm));
 366         starting_tm.tm_year = year - 1900;
 367         starting_tm.tm_mon = month - 1;
 368         starting_tm.tm_mday = day;
 369         thetime = mktime(&starting_tm);
 370
 371         memcpy(&tm, &starting_tm, sizeof(struct tm));
 372         while (tm.tm_mday != 1) {
 373                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 374                 localtime_r(&thetime, &tm);
 375         }
 376
 377         /** Determine previous and next months ... for links */
 378         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 379         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 380
 381         /** Now back up until we're on a Sunday */
 382         localtime_r(&thetime, &tm);
 383         while (tm.tm_wday != 0) {
 384                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 385                 localtime_r(&thetime, &tm);
 386         }
 387
 388         /** Outer table (to get the background color) */
 389         wprintf("<div class=\"fix_scrollbar_bug\">"
 390                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 391                 "bgcolor=#204B78><TR><TD>\n");
 392
 393         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 394
 395         wprintf("<td align=center>");
 396
 397         localtime_r(&previous_month, &tm);
 398         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 399                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 400         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 401
 402         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 403         wprintf("&nbsp;&nbsp;"
 404                 "<font size=+1 color=\"#FFFFFF\">"
 405                 "%s %d"
 406                 "</font>"
 407                 "&nbsp;&nbsp;", month_label, year);
 408
 409         localtime_r(&next_month, &tm);
 410         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 411                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 412         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 413
 414         wprintf("</td></tr></table>\n");
 415
 416         /** Inner table (the real one) */
 417         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 418                 "bgcolor=#EEEECC><TR>");
 419         wprintf("</tr>\n");
 420         wprintf("<tr><td colspan=\"100%\">\n");
 421
 422         /** Now do 35 days */
 423         for (i = 0; i < 35; ++i) {
 424                 char weeknumber[255];
 425                 char weekday_name[32];
 426                 char *daycolor;
 427                 localtime_r(&thetime, &tm);
 428
 429
 430                 /** Before displaying Sunday, start a new CELL */
 431                 if ((i % 7) == 0) {
 432                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 433                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%'> <tr><th colspan='4'>%s %s</th></tr>"
 434                                         "   <tr><td>%s</td><td width='70%'>%s</td><td>%s</td><td>%s</td></tr>\n",
 435                                         _("Week"),
 436                                         weeknumber,
 437                                         _("Hours"),
 438                                         _("Subject"),
 439                                         _("Start"),
 440                                         _("End")
 441                                         );
 442                 }
 443
 444                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 445                                   ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 446                                    "FFFFFF"));
 447
 448                 /** Day Header */
 449                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 450                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 451                                 "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 452                                 daycolor,
 453                                 weekday_name,tm.tm_mday,
 454                                 daycolor);
 455
 456                 /** put the data of one day  here, stupid */
 457                 calendar_month_view_brief_events(thetime, daycolor);
 458
 459
 460                 /** After displaying Saturday, end the row */
 461                 if ((i % 7) == 6) {
 462                         wprintf("</td></tr></table>\n");
 463                 }
 464
 465                 thetime += (time_t)86400;               /** ahead 24 hours */
 466         }
 467
 468         wprintf("</table>"                      /** end of inner table */
 469                 "</td></tr></table>"            /** end of outer table */
 470                 "</div>\n");
 471 }
 472
 473 /**
 474  * \brief view one week
 475  * this should view just one week, but it's not here yet.
 476  * \todo ny implemented
 477  * \param year the year
 478  * \param month the month
 479  * \param day the day which we want to see the week around
 480  */
 481 void calendar_week_view(int year, int month, int day) {
 482         wprintf("<center><i>week view FIXME</i></center><br />\n");
 483 }
 484
 485
 486 /**
 487  * \brief display one day
 488  * Display events for a particular hour of a particular day.
 489  * (Specify hour < 0 to show "all day" events)
 490  * \param year the year
 491  * \param month the month
 492  * \param day the day
 493  * \param hour the hour we want to start displaying?????
 494  */
 495 void calendar_day_view_display_events(int year, int month,
 496                                         int day, int hour) {
 497         int i;
 498         icalproperty *p;
 499         struct icaltimetype t;
 500         time_t event_tt;
 501         struct tm *event_tm;
 502         int all_day_event = 0;
 503
 504         if (WC->num_cal == 0) {
 505                 // \todo FIXME wprintf("<br /><br /><br />\n");
 506                 return;
 507         }
 508
 509         for (i=0; i<(WC->num_cal); ++i) {
 510                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 511                                                 ICAL_DTSTART_PROPERTY);
 512                 if (p != NULL) {
 513                         t = icalproperty_get_dtstart(p);
 514                         event_tt = icaltime_as_timet(t);
 515                         if (t.is_date) {
 516                                 all_day_event = 1;
 517                         }
 518                         else {
 519                                 all_day_event = 0;
 520                         }
 521
 522                         if (all_day_event) {
 523                                 event_tm = gmtime(&event_tt);
 524                         }
 525                         else {
 526                                 event_tm = localtime(&event_tt);
 527                         }
 528
 529                         if ((event_tm->tm_year == (year-1900))
 530                            && (event_tm->tm_mon == (month-1))
 531                            && (event_tm->tm_mday == day)
 532                            && ( ((event_tm->tm_hour == hour)&&(!t.is_date)) || ((hour<0)&&(t.is_date)) )
 533                            ) {
 534
 535
 536                                 p = icalcomponent_get_first_property(
 537                                                         WC->disp_cal[i].cal,
 538                                                         ICAL_SUMMARY_PROPERTY);
 539                                 if (p != NULL) {
 540
 541                                         if (all_day_event) {
 542                                                 wprintf("<table border=1 cellpadding=2><TR>"
 543                                                         "<td bgcolor=\"#CCCCCC\">"
 544                                                 );
 545                                         }
 546
 547                                         wprintf("<font size=-1>"
 548                                                 "<a href=\"display_edit_event?msgnum=%ld&calview=day&year=%d&month=%d&day=%d\">",
 549                                                 WC->disp_cal[i].cal_msgnum,
 550                                                 year, month, day
 551                                         );
 552                                         escputs((char *)
 553                                                 icalproperty_get_comment(p));
 554                                         wprintf("</a></font><br />\n");
 555
 556                                         if (all_day_event) {
 557                                                 wprintf("</td></tr></table>");
 558                                         }
 559                                 }
 560
 561                         }
 562
 563
 564                 }
 565         }
 566 }
 567
 568
 569 /**
 570  * \brief view one day
 571  * \param year the year
 572  * \param month the month
 573  * \param day the day we want to display
 574  */
 575 void calendar_day_view(int year, int month, int day) {
 576         int hour;
 577         struct icaltimetype today, yesterday, tomorrow;
 578         char calhourformat[16];
 579         int daystart = 8;
 580         int dayend = 17;
 581         char daystart_str[16], dayend_str[16];
 582         struct tm d_tm;
 583         char d_str[128];
 584
 585         get_preference("calhourformat", calhourformat, sizeof calhourformat);
 586         get_preference("daystart", daystart_str, sizeof daystart_str);
 587         if (strlen(daystart_str) > 0) daystart = atoi(daystart_str);
 588         get_preference("dayend", dayend_str, sizeof dayend_str);
 589         if (strlen(dayend_str) > 0) dayend = atoi(dayend_str);
 590
 591
 592         /** Figure out the dates for "yesterday" and "tomorrow" links */
 593
 594         memset(&today, 0, sizeof(struct icaltimetype));
 595         today.year = year;
 596         today.month = month;
 597         today.day = day;
 598         today.is_date = 1;
 599
 600         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
 601         --yesterday.day;
 602         yesterday = icaltime_normalize(yesterday);
 603
 604         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
 605         ++tomorrow.day;
 606         tomorrow = icaltime_normalize(tomorrow);
 607
 608
 609         /** Outer table (to get the background color) */
 610         wprintf("<div class=\"fix_scrollbar_bug\">"
 611                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 612                 "bgcolor=#204B78><tr><td>\n");
 613
 614         /** Inner table (the real one) */
 615         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 616                 "bgcolor=#204B78><tr>\n");
 617
 618         /** Innermost table (contains hours etc.) */
 619         wprintf("<td width=80%%>"
 620                 "<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 621                 "bgcolor=#204B78>\n");
 622
 623         /** Display events before 8:00 (hour=-1 is all-day events) */
 624         wprintf("<tr>"
 625                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 626                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 627         for (hour = (-1); hour <= (daystart-1); ++hour) {
 628                 calendar_day_view_display_events(year, month, day, hour);
 629         }
 630         wprintf("</td></tr>\n");
 631
 632         /** Now the middle of the day... */
 633         for (hour = daystart; hour <= dayend; ++hour) { /* could do HEIGHT=xx */
 634                 wprintf("<tr height=30><td bgcolor=\"#CCCCDD\" align=middle "
 635                         "valign=middle width=10%%>");
 636                 wprintf("<a href=\"display_edit_event?msgnum=0"
 637                         "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
 638                         year, month, day, hour
 639                 );
 640
 641                 if (!strcasecmp(calhourformat, "24")) {
 642                         wprintf("%2d:00</a> ", hour);
 643                 }
 644                 else {
 645                         wprintf("%d:00%s</a> ",
 646                                 (hour <= 12 ? hour : hour-12),
 647                                 (hour < 12 ? "am" : "pm")
 648                         );
 649                 }
 650
 651                 wprintf("</td><td bgcolor=\"#FFFFFF\" valign=top>");
 652
 653                 /* put the data here, stupid */
 654                 calendar_day_view_display_events(year, month, day, hour);
 655
 656                 wprintf("</td></tr>\n");
 657         }
 658
 659         /** Display events after 5:00... */
 660         wprintf("<tr>"
 661                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 662                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 663         for (hour = (dayend+1); hour <= 23; ++hour) {
 664                 calendar_day_view_display_events(year, month, day, hour);
 665         }
 666         wprintf("</td></tr>\n");
 667
 668
 669         wprintf("</table>"                      /* end of innermost table */
 670                 "</td>"
 671         );
 672
 673         wprintf("<td width=20%% valign=top>");  /* begin stuff-on-the-right */
 674
 675
 676         /** Begin todays-date-with-left-and-right-arrows */
 677         wprintf("<table border=0 width=100%% "
 678                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
 679         wprintf("<tr>");
 680
 681         /** Left arrow */
 682         wprintf("<td align=center>");
 683         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 684                 yesterday.year, yesterday.month, yesterday.day);
 685         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
 686         wprintf("</td>");
 687
 688         /** Today's date */
 689         memset(&d_tm, 0, sizeof d_tm);
 690         d_tm.tm_year = year - 1900;
 691         d_tm.tm_mon = month - 1;
 692         d_tm.tm_mday = day;
 693         wc_strftime(d_str, sizeof d_str,
 694                 "<td align=center>"
 695                 "<font size=+2>%B</font><br />"
 696                 "<font size=+3>%d</font><br />"
 697                 "<font size=+2>%Y</font><br />"
 698                 "</td>",
 699                 &d_tm
 700         );
 701         wprintf("%s", d_str);
 702
 703         /** Right arrow */
 704         wprintf("<td align=center>");
 705         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 706                 tomorrow.year, tomorrow.month, tomorrow.day);
 707         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
 708                 " border=0></A>\n");
 709         wprintf("</td>");
 710
 711         wprintf("</tr></table>\n");
 712         /** End todays-date-with-left-and-right-arrows */
 713
 714         /** \todo In the future we might want to put a month-o-matic here */
 715
 716         wprintf("</font></center>\n");
 717
 718         wprintf("</td>");                       /** end stuff-on-the-right */
 719
 720
 721
 722         wprintf("</tr></table>"                 /** end of inner table */
 723                 "</td></tr></table></div>"      /** end of outer table */
 724         );
 725
 726
 727
 728 }
 729
 730 /**
 731  * \brief Display today's events.
 732  */
 733 void calendar_summary_view(void) {
 734         int i;
 735         icalproperty *p;
 736         struct icaltimetype t;
 737         time_t event_tt;
 738         struct tm event_tm;
 739         struct tm today_tm;
 740         time_t now;
 741         int all_day_event = 0;
 742         char timestring[SIZ];
 743
 744         if (WC->num_cal == 0) {
 745                 return;
 746         }
 747
 748         now = time(NULL);
 749         localtime_r(&now, &today_tm);
 750
 751         for (i=0; i<(WC->num_cal); ++i) {
 752                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 753                                                 ICAL_DTSTART_PROPERTY);
 754                 if (p != NULL) {
 755                         t = icalproperty_get_dtstart(p);
 756                         event_tt = icaltime_as_timet(t);
 757                         if (t.is_date) {
 758                                 all_day_event = 1;
 759                         }
 760                         else {
 761                                 all_day_event = 0;
 762                         }
 763                         fmt_time(timestring, event_tt);
 764
 765                         if (all_day_event) {
 766                                 gmtime_r(&event_tt, &event_tm);
 767                         }
 768                         else {
 769                                 localtime_r(&event_tt, &event_tm);
 770                         }
 771
 772                         if ( (event_tm.tm_year == today_tm.tm_year)
 773                            && (event_tm.tm_mon == today_tm.tm_mon)
 774                            && (event_tm.tm_mday == today_tm.tm_mday)
 775                            ) {
 776
 777
 778                                 p = icalcomponent_get_first_property(
 779                                                         WC->disp_cal[i].cal,
 780                                                         ICAL_SUMMARY_PROPERTY);
 781                                 if (p != NULL) {
 782                                         escputs((char *)
 783                                                 icalproperty_get_comment(p));
 784                                         wprintf(" (%s)<br />\n", timestring);
 785                                 }
 786                         }
 787                 }
 788         }
 789         free_calendar_buffer();
 790 }
 791
 792
 793 /**
 794  * \brief clean up ical memory
 795  * \todo this could get troubel with future ical versions
 796  */
 797 void free_calendar_buffer(void) {
 798         int i;
 799         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 800                 icalcomponent_free(WC->disp_cal[i].cal);
 801         }
 802         WC->num_cal = 0;
 803         free(WC->disp_cal);
 804         WC->disp_cal = NULL;
 805 }
 806
 807
 808
 809 /**
 810  * \brief do the whole calendar page
 811  * view any part of the calender. decide which way, etc.
 812  */
 813 void do_calendar_view(void) {
 814         time_t now;
 815         struct tm tm;
 816         int year, month, day;
 817         char calview[SIZ];
 818
 819         /** In case no date was specified, go with today */
 820         now = time(NULL);
 821         localtime_r(&now, &tm);
 822         year = tm.tm_year + 1900;
 823         month = tm.tm_mon + 1;
 824         day = tm.tm_mday;
 825
 826         /** Now see if a date was specified */
 827         if (strlen(bstr("year")) > 0) year = atoi(bstr("year"));
 828         if (strlen(bstr("month")) > 0) month = atoi(bstr("month"));
 829         if (strlen(bstr("day")) > 0) day = atoi(bstr("day"));
 830
 831         /** How would you like that cooked? */
 832         if (strlen(bstr("calview")) > 0) {
 833                 strcpy(calview, bstr("calview"));
 834         }
 835         else {
 836                 strcpy(calview, "month");
 837         }
 838
 839         /** Display the selected view */
 840         if (!strcasecmp(calview, "day")) {
 841                 calendar_day_view(year, month, day);
 842         }
 843         else if (!strcasecmp(calview, "week")) {
 844                 calendar_week_view(year, month, day);
 845         }
 846         else {
 847                 if (WC->wc_view == VIEW_CALBRIEF) {
 848                         calendar_brief_month_view(year, month, day);
 849                 }
 850                 else {
 851                         calendar_month_view(year, month, day);
 852                 }
 853         }
 854
 855         /** Free the calendar stuff */
 856         free_calendar_buffer();
 857
 858 }
 859
 860
 861 /**
 862  * \brief get task due date
 863  * Helper function for do_tasks_view().
 864  * \param vtodo a task to get the due date
 865  * \return the date/time due.
 866  */
 867 time_t get_task_due_date(icalcomponent *vtodo) {
 868         icalproperty *p;
 869
 870         if (vtodo == NULL) {
 871                 return(0L);
 872         }
 873
 874         /**
 875          * If we're looking at a fully encapsulated VCALENDAR
 876          * rather than a VTODO component, recurse into the data
 877          * structure until we get a VTODO.
 878          */
 879         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
 880                 return get_task_due_date(
 881                         icalcomponent_get_first_component(
 882                                 vtodo, ICAL_VTODO_COMPONENT
 883                         )
 884                 );
 885         }
 886
 887         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
 888         if (p != NULL) {
 889                 return(icaltime_as_timet(icalproperty_get_due(p)));
 890         }
 891         else {
 892                 return(0L);
 893         }
 894 }
 895
 896
 897 /**
 898  * \brief Compare the due dates of two tasks (this is for sorting)
 899  * \param task1 first task to compare
 900  * \param task2 second task to compare
 901  */
 902 int task_due_cmp(const void *task1, const void *task2) {
 903         time_t t1;
 904         time_t t2;
 905
 906         t1 =  get_task_due_date(((struct disp_cal *)task1)->cal);
 907         t2 =  get_task_due_date(((struct disp_cal *)task2)->cal);
 908
 909         if (t1 < t2) return(-1);
 910         if (t1 > t2) return(1);
 911         return(0);
 912 }
 913
 914
 915
 916
 917 /**
 918  * \brief do the whole task view stuff
 919  */
 920 void do_tasks_view(void) {
 921         int i;
 922         time_t due;
 923         int bg = 0;
 924         char buf[SIZ];
 925         icalproperty *p;
 926
 927         wprintf("<div class=\"fix_scrollbar_bug\">"
 928                 "<table border=0 cellspacing=0 width=100%% bgcolor=\"#FFFFFF\">\n<tr>\n"
 929                 "<th>");
 930         wprintf(_("Name of task"));
 931         wprintf("</th><th>");
 932         wprintf(_("Date due"));
 933         wprintf("</th></tr>\n"
 934         );
 935
 936         /** Sort them if necessary */
 937         if (WC->num_cal > 1) {
 938                 qsort(WC->disp_cal,
 939                         WC->num_cal,
 940                         sizeof(struct disp_cal),
 941                         task_due_cmp
 942                 );
 943         }
 944
 945         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 946
 947                 bg = 1 - bg;
 948                 wprintf("<tr bgcolor=\"#%s\"><td>",
 949                         (bg ? "DDDDDD" : "FFFFFF")
 950                 );
 951
 952                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 953                                                         ICAL_SUMMARY_PROPERTY);
 954                 wprintf("<a href=\"display_edit_task?msgnum=%ld&taskrm=",
 955                         WC->disp_cal[i].cal_msgnum );
 956                 urlescputs(WC->wc_roomname);
 957                 wprintf("\">");
 958                 wprintf("<img align=middle "
 959                         "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;");
 960                 if (p != NULL) {
 961                         escputs((char *)icalproperty_get_comment(p));
 962                 }
 963                 wprintf("</a>\n");
 964                 wprintf("</td>\n");
 965
 966                 due = get_task_due_date(WC->disp_cal[i].cal);
 967                 fmt_date(buf, due, 0);
 968                 wprintf("<td><font");
 969                 if (due < time(NULL)) {
 970                         wprintf(" color=\"#FF0000\"");
 971                 }
 972                 wprintf(">%s</font></td></tr>\n", buf);
 973         }
 974
 975         wprintf("</table></div>\n");
 976
 977         /** Free the list */
 978         free_calendar_buffer();
 979
 980 }
 981
 982 #endif  /* WEBCIT_WITH_CALENDAR_SERVICE */
 983
 984 /** @} */