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