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 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
  13
  14 /****************************************************************************/
  15
  16 /**
  17  * \brief Display one day of a whole month view of a calendar
  18  * \param thetime the month we want to see
  19  */
  20 void calendar_month_view_display_events(time_t thetime) {
  21         int i;
  22         struct tm today_tm;
  23         icalproperty *p = NULL;
  24         icalproperty *q = NULL;
  25         struct icaltimetype t;
  26         int month, day, year;
  27         int all_day_event = 0;
  28         int multi_day_event = 0;
  29         int fill_day_event = 0;
  30         int show_event = 0;
  31         time_t tt;
  32         time_t dst_day;
  33         char buf[256];
  34         struct wcsession *WCC;
  35         struct disp_cal *Cal;
  36
  37         WCC = WC;
  38
  39         if (WCC->num_cal == 0) {
  40                 wprintf("<br /><br /><br />\n");
  41                 return;
  42         }
  43
  44         localtime_r(&thetime, &today_tm);
  45         month = today_tm.tm_mon + 1;
  46         day = today_tm.tm_mday;
  47         year = today_tm.tm_year + 1900;
  48         dst_day = thetime - 3600;
  49         for (i=0; i<(WCC->num_cal); ++i) {
  50                 fill_day_event = 0;
  51                 multi_day_event = 0;
  52
  53                 Cal = &WCC->disp_cal[i];
  54                 all_day_event =  Cal->start_hour == -1;
  55                 show_event = thetime == Cal->start_day;
  56 //              lprintf(1,"Date: %d %d %d %d\n", thetime, Cal->start_day, day, thetime - Cal->start_day);
  57                 if (!all_day_event) {
  58
  59                         // are we in the range of the event?
  60                         show_event = (Cal->start_day <= thetime) &&
  61                                 (Cal->end_day >= thetime);
  62                         if (!show_event)
  63                                 // are we in the range of the event?
  64                                 show_event = (Cal->start_day <= dst_day) &&
  65                                         (Cal->end_day >= dst_day);
  66
  67                         // are we not start or end day?
  68                         fill_day_event = (Cal->start_day < thetime) &&
  69                                 (Cal->end_day > thetime);
  70                 }
  71
  72                 if (show_event) {
  73                         p = icalcomponent_get_first_property(
  74                                 Cal->cal,
  75                                 ICAL_SUMMARY_PROPERTY);
  76                         if (p != NULL) {
  77
  78                                 if (all_day_event) {
  79                                         wprintf("<table border=0 cellpadding=2><TR>"
  80                                                 "<td bgcolor=\"#CCCCDD\">"
  81                                                 );
  82                                 }
  83
  84                                 wprintf("<font size=-1>"
  85                                         "<a href=\"display_edit_event?"
  86                                         "msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\""
  87                                         " btt_tooltext=\"",
  88                                         WC->disp_cal[i].cal_msgnum,
  89                                         bstr("calview"),
  90                                         bstr("year"),
  91                                         bstr("month"),
  92                                         bstr("day")
  93                                         );
  94
  95                                 wprintf("<i>%s</i> ", _("Summary:"));
  96                                 escputs((char *)icalproperty_get_comment(p));
  97                                 wprintf("<br />");
  98
  99                                 q = icalcomponent_get_first_property(
 100                                         WC->disp_cal[i].cal,
 101                                         ICAL_LOCATION_PROPERTY);
 102                                 if (q) {
 103                                         wprintf("<i>%s</i> ", _("Location:"));
 104                                         escputs((char *)icalproperty_get_comment(q));
 105                                         wprintf("<br />");
 106                                         }
 107
 108                                 /**
 109                                  * Only show start/end times if we're actually looking at the VEVENT
 110                                  * component.  Otherwise it shows bogus dates for e.g. timezones
 111                                  */
 112                                 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
 113
 114                                         q = icalcomponent_get_first_property(Cal->cal,
 115                                                                              ICAL_DTSTART_PROPERTY);
 116                                         if (q != NULL) {
 117                                                 t = icalproperty_get_dtstart(q);
 118
 119                                                 if (t.is_date) {
 120                                                         struct tm d_tm;
 121                                                         char d_str[32];
 122                                                         memset(&d_tm, 0, sizeof d_tm);
 123                                                         d_tm.tm_year = t.year - 1900;
 124                                                         d_tm.tm_mon = t.month - 1;
 125                                                         d_tm.tm_mday = t.day;
 126                                                         wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 127                                                         wprintf("<i>%s</i> %s<br>",
 128                                                                 _("Date:"), d_str);
 129                                                 }
 130                                                 else {
 131                                                         tt = icaltime_as_timet(t);
 132                                                         fmt_date(buf, tt, 1);
 133                                                         wprintf("<i>%s</i> %s<br>",
 134                                                                 _("Starting date/time:"), buf);
 135
 136                                                         /* Embed the 'show end date/time' loop inside here so it
 137                                                          * only executes if this is NOT an all day event.
 138                                                          */
 139                                                         q = icalcomponent_get_first_property(Cal->cal,
 140                                                                                              ICAL_DTEND_PROPERTY);
 141                                                         if (q != NULL) {
 142                                                                 t = icalproperty_get_dtend(q);
 143                                                                 tt = icaltime_as_timet(t);
 144                                                                 fmt_date(buf, tt, 1);
 145                                                                 wprintf("<i>%s</i> %s<br>",
 146                                                                         _("Ending date/time:"), buf);
 147                                                         }
 148
 149                                                 }
 150                                         }
 151
 152                                 }
 153
 154                                 q = icalcomponent_get_first_property(
 155                                         Cal->cal,
 156                                         ICAL_DESCRIPTION_PROPERTY);
 157                                 if (q) {
 158                                         wprintf("<i>%s</i> ", _("Notes:"));
 159                                         escputs((char *)icalproperty_get_comment(q));
 160                                         wprintf("<br />");
 161                                 }
 162
 163                                 wprintf("\">");
 164                                 escputs((char *)
 165                                         icalproperty_get_comment(p));
 166                                 wprintf("</a></font><br />\n");
 167
 168                                 if (all_day_event) {
 169                                         wprintf("</td></tr></table>");
 170                                 }
 171
 172                         }
 173
 174                 }
 175
 176
 177         }
 178 }
 179
 180
 181 /**
 182  * \brief Display one day of a whole month view of a calendar
 183  * \param thetime the month we want to see
 184  */
 185 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 186         int i;
 187         time_t event_tt;
 188         time_t event_tts;
 189         time_t event_tte;
 190         struct tm event_tms;
 191         struct tm event_tme;
 192         struct tm today_tm;
 193         icalproperty *p;
 194         icalproperty *e;
 195         struct icaltimetype t;
 196         int month, day, year;
 197         int all_day_event = 0;
 198         char *timeformat;
 199         int time_format;
 200
 201         time_format = get_time_format_cached ();
 202
 203         if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
 204         else timeformat="%I:%M %p";
 205
 206         localtime_r(&thetime, &today_tm);
 207         month = today_tm.tm_mon + 1;
 208         day = today_tm.tm_mday;
 209         year = today_tm.tm_year + 1900;
 210
 211         for (i=0; i<(WC->num_cal); ++i) {
 212                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 213                                                 ICAL_DTSTART_PROPERTY);
 214                 if (p != NULL) {
 215                         t = icalproperty_get_dtstart(p);
 216                         event_tt = icaltime_as_timet(t);
 217                         event_tts=event_tt;
 218                         if (t.is_date) all_day_event = 1;
 219                         else all_day_event = 0;
 220
 221                         if (all_day_event) {
 222                                 gmtime_r(&event_tts, &event_tms);
 223                         }
 224                         else {
 225                                 localtime_r(&event_tts, &event_tms);
 226                         }
 227                         /** \todo epoch &! daymask */
 228                         if ((event_tms.tm_year == today_tm.tm_year)
 229                            && (event_tms.tm_mon == today_tm.tm_mon)
 230                            && (event_tms.tm_mday == today_tm.tm_mday)) {
 231
 232
 233                                 char sbuf[255];
 234                                 char ebuf[255];
 235
 236                                 p = icalcomponent_get_first_property(
 237                                                         WC->disp_cal[i].cal,
 238                                                         ICAL_SUMMARY_PROPERTY);
 239                                 e = icalcomponent_get_first_property(
 240                                                         WC->disp_cal[i].cal,
 241                                                         ICAL_DTEND_PROPERTY);
 242                                 if ((p != NULL) && (e != NULL)) {
 243                                         time_t difftime;
 244                                         int hours, minutes;
 245                                         t = icalproperty_get_dtend(e);
 246                                         event_tte = icaltime_as_timet(t);
 247                                         localtime_r(&event_tte, &event_tme);
 248                                         difftime=(event_tte-event_tts)/60;
 249                                         hours=(int)(difftime / 60);
 250                                         minutes=difftime % 60;
 251                                         wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 252                                                         "<font size=-1>"
 253                                                         "<a href=\"display_edit_event?msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\">",
 254                                                         daycolor,
 255                                                         hours, minutes,
 256                                                         daycolor,
 257                                                         WC->disp_cal[i].cal_msgnum,
 258                                                         bstr("calview"),
 259                                                         bstr("year"),
 260                                                         bstr("month"),
 261                                                         bstr("day")
 262                                                         );
 263
 264                                         escputs((char *)
 265                                                         icalproperty_get_comment(p));
 266                                         /** \todo: allso ammitime format */
 267                                         wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 268                                         wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 269
 270                                         wprintf("</a></font></td>"
 271                                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 272                                                         daycolor,
 273                                                         sbuf,
 274                                                         daycolor,
 275                                                         ebuf);
 276
 277                                 }
 278
 279                         }
 280
 281
 282                 }
 283         }
 284 }
 285
 286
 287 /**
 288  * \brief view one month. pretty view
 289  * \param year the year
 290  * \param month the month
 291  * \param day the actual day we want to see
 292  */
 293 void calendar_month_view(int year, int month, int day) {
 294         struct tm starting_tm;
 295         struct tm tm;
 296         time_t thetime;
 297         int i;
 298         time_t previous_month;
 299         time_t next_month;
 300         time_t colheader_time;
 301         struct tm colheader_tm;
 302         char colheader_label[32];
 303         int chg_month = 0;
 304
 305         /** Determine what day to start.
 306          * First, back up to the 1st of the month...
 307          */
 308         memset(&starting_tm, 0, sizeof(struct tm));
 309
 310         starting_tm.tm_year = year - 1900;
 311         starting_tm.tm_mon = month - 1;
 312         starting_tm.tm_mday = day;
 313         thetime = mktime(&starting_tm);
 314
 315         memcpy(&tm, &starting_tm, sizeof(struct tm));
 316         while (tm.tm_mday != 1) {
 317                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 318                 localtime_r(&thetime, &tm);
 319         }
 320
 321         /** Determine previous and next months ... for links */
 322         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 323         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 324
 325         /** Now back up until we're on a Sunday */
 326         localtime_r(&thetime, &tm);
 327         while (tm.tm_wday != 0) {
 328                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 329                 localtime_r(&thetime, &tm);
 330         }
 331
 332         /** Outer table (to get the background color) */
 333         wprintf("<div class=\"fix_scrollbar_bug\">"
 334                 "<table class=\"calendar\"> \n <tr><td>");
 335
 336         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 337
 338         wprintf("<td align=center>");
 339
 340         localtime_r(&previous_month, &tm);
 341         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 342                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 343         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 344
 345         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 346         wprintf("&nbsp;&nbsp;"
 347                 "<font size=+1 color=\"#FFFFFF\">"
 348                 "%s %d"
 349                 "</font>"
 350                 "&nbsp;&nbsp;", colheader_label, year);
 351
 352         localtime_r(&next_month, &tm);
 353         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 354                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 355         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 356
 357         wprintf("</td></tr></table>\n");
 358
 359         /** Inner table (the real one) */
 360         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 361                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 362         colheader_time = thetime;
 363         for (i=0; i<7; ++i) {
 364                 colheader_time = thetime + (i * 86400) ;
 365                 localtime_r(&colheader_time, &colheader_tm);
 366                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 367                 wprintf("<td align=center width=14%%>"
 368                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 369
 370         }
 371         wprintf("</tr>\n");
 372
 373
 374         /** Now do 35 or 42 days */
 375         for (i = 0; i < 42; ++i) {
 376                 localtime_r(&thetime, &tm);
 377
 378                 if ((i < 35) || (chg_month == 0)) {
 379
 380                         if ((i > 27) && ((tm.tm_mday == 1) || (tm.tm_mday == 31))) {
 381                                 chg_month = 1;
 382                         }
 383                         if (i > 35) {
 384                                 chg_month = 0;
 385                         }
 386
 387                         /** Before displaying Sunday, start a new row */
 388                         if ((i % 7) == 0) {
 389                                 wprintf("<tr>");
 390                         }
 391
 392                         wprintf("<td class=\"cal%s\"><div class=\"day\">",
 393                                 ((tm.tm_mon != month-1) ? "out" :
 394                                 ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
 395                                 "day"))
 396                         );
 397                         if ((i==0) || (tm.tm_mday == 1)) {
 398                                 wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 399                                 wprintf("%s ", colheader_label);
 400                         }
 401                         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">"
 402                                 "%d</a></div>",
 403                                 tm.tm_year + 1900,
 404                                 tm.tm_mon + 1,
 405                                 tm.tm_mday,
 406                                 tm.tm_mday);
 407
 408                         /** put the data here, stupid */
 409                         calendar_month_view_display_events(thetime);
 410
 411                         wprintf("</td>");
 412
 413                         /** After displaying Saturday, end the row */
 414                         if ((i % 7) == 6) {
 415                                 wprintf("</tr>\n");
 416                         }
 417
 418                 }
 419
 420                 thetime += (time_t)86400;               /** ahead 24 hours */
 421         }
 422
 423         wprintf("</table>"                      /** end of inner table */
 424                 "</td></tr></table>"            /** end of outer table */
 425                 "</div>\n");
 426
 427         /**
 428          * Initialize the bubble tooltips.
 429          *
 430          * Yes, this is as stupid as it looks.  Instead of just making the call
 431          * to btt_enableTooltips() straight away, we have to create a timer event
 432          * and let it initialize as an event after 1 millisecond.  This is to
 433          * work around a bug in Internet Explorer that causes it to crash if we
 434          * manipulate the innerHTML of various DOM nodes while the page is still
 435          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 436          * for more information.
 437          */
 438         wprintf("<script type=\"text/javascript\">"
 439                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); "
 440                 "</script>\n"
 441         );
 442 }
 443
 444 /**
 445  * \brief view one month. brief view
 446  * \param year the year
 447  * \param month the month
 448  * \param day the actual day we want to see
 449  */
 450 void calendar_brief_month_view(int year, int month, int day) {
 451         struct tm starting_tm;
 452         struct tm tm;
 453         time_t thetime;
 454         int i;
 455         time_t previous_month;
 456         time_t next_month;
 457         char month_label[32];
 458
 459         /** Determine what day to start.
 460          * First, back up to the 1st of the month...
 461          */
 462         memset(&starting_tm, 0, sizeof(struct tm));
 463         starting_tm.tm_year = year - 1900;
 464         starting_tm.tm_mon = month - 1;
 465         starting_tm.tm_mday = day;
 466         thetime = mktime(&starting_tm);
 467
 468         memcpy(&tm, &starting_tm, sizeof(struct tm));
 469         while (tm.tm_mday != 1) {
 470                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 471                 localtime_r(&thetime, &tm);
 472         }
 473
 474         /** Determine previous and next months ... for links */
 475         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 476         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 477
 478         /** Now back up until we're on a Sunday */
 479         localtime_r(&thetime, &tm);
 480         while (tm.tm_wday != 0) {
 481                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 482                 localtime_r(&thetime, &tm);
 483         }
 484
 485         /** Outer table (to get the background color) */
 486         wprintf("<div class=\"fix_scrollbar_bug\">"
 487                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 488                 "bgcolor=#204B78><TR><TD>\n");
 489
 490         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 491
 492         wprintf("<td align=center>");
 493
 494         localtime_r(&previous_month, &tm);
 495         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 496                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 497         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 498
 499         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 500         wprintf("&nbsp;&nbsp;"
 501                 "<font size=+1 color=\"#FFFFFF\">"
 502                 "%s %d"
 503                 "</font>"
 504                 "&nbsp;&nbsp;", month_label, year);
 505
 506         localtime_r(&next_month, &tm);
 507         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 508                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 509         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 510
 511         wprintf("</td></tr></table>\n");
 512
 513         /** Inner table (the real one) */
 514         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 515                 "bgcolor=#EEEECC><TR>");
 516         wprintf("</tr>\n");
 517         wprintf("<tr><td colspan=\"100%\">\n");
 518
 519         /** Now do 35 days */
 520         for (i = 0; i < 35; ++i) {
 521                 char weeknumber[255];
 522                 char weekday_name[32];
 523                 char *daycolor;
 524                 localtime_r(&thetime, &tm);
 525
 526
 527                 /** Before displaying Sunday, start a new CELL */
 528                 if ((i % 7) == 0) {
 529                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 530                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%'> <tr><th colspan='4'>%s %s</th></tr>"
 531                                         "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 532                                         _("Week"),
 533                                         weeknumber,
 534                                         _("Hours"),
 535                                         _("Subject"),
 536                                         _("Start"),
 537                                         _("End")
 538                                         );
 539                 }
 540
 541                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 542                                   ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 543                                    "FFFFFF"));
 544
 545                 /** Day Header */
 546                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 547                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 548                                 "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 549                                 daycolor,
 550                                 weekday_name,tm.tm_mday,
 551                                 daycolor);
 552
 553                 /** put the data of one day  here, stupid */
 554                 calendar_month_view_brief_events(thetime, daycolor);
 555
 556
 557                 /** After displaying Saturday, end the row */
 558                 if ((i % 7) == 6) {
 559                         wprintf("</td></tr></table>\n");
 560                 }
 561
 562                 thetime += (time_t)86400;               /** ahead 24 hours */
 563         }
 564
 565         wprintf("</table>"                      /** end of inner table */
 566                 "</td></tr></table>"            /** end of outer table */
 567                 "</div>\n");
 568 }
 569
 570 /**
 571  * \brief view one week
 572  * this should view just one week, but it's not here yet.
 573  * \todo ny implemented
 574  * \param year the year
 575  * \param month the month
 576  * \param day the day which we want to see the week around
 577  */
 578 void calendar_week_view(int year, int month, int day) {
 579         wprintf("<center><i>week view FIXME</i></center><br />\n");
 580 }
 581
 582
 583 /**
 584  * \brief display one day
 585  * Display events for a particular hour of a particular day.
 586  * (Specify hour < 0 to show "all day" events)
 587  * \param year the year
 588  * \param month the month
 589  * \param day the day
 590  * \param hour the hour we want to start displaying
 591  * \param inner a flag to display between daystart and dayend
 592  * (Specify inner to 1 to show inner events)
 593  * (Specify inner to 0 to show "all day events and events after dayend)
 594  * \param dstart daystart
 595  */
 596 void calendar_day_view_display_events(time_t thetime, int year, int month,
 597                                         int day, int hour,
 598                                         int inner, int dstart) {
 599         int i;
 600         icalproperty *p;
 601         time_t event_start;
 602         time_t event_end;
 603         icalproperty *l;
 604         icalproperty *n;
 605         struct tm event_te;
 606         struct tm event_tm;
 607         int show_event = 0;
 608         int all_day_event = 0;
 609         struct wcsession *WCC;
 610         struct disp_cal *Cal;
 611
 612         WCC = WC;
 613
 614         if (WCC->num_cal == 0) {
 615                 // \todo FIXME wprintf("<br /><br /><br />\n");
 616                 return;
 617         }
 618
 619         event_start = thetime + 60 * 60 * hour;
 620         event_end = thetime + 60 * 60 * (hour + 1);
 621
 622         for (i=0; i<(WCC->num_cal); ++i) {
 623                 Cal = &WCC->disp_cal[i];
 624                 all_day_event =  Cal->start_hour == -1;
 625
 626                 show_event = 0;
 627                 if (! all_day_event && inner)
 628                 {
 629                         show_event = (thetime == Cal->start_day) &&
 630                                 (event_start <= Cal->start_hour) &&
 631                                 ((Cal->end_hour != -1)?
 632                                    (Cal->end_hour < event_end) : 1);
 633
 634                 }
 635                 else
 636                 {
 637                         show_event = !inner && (Cal->start_day == thetime);
 638                 }
 639
 640                 p = icalcomponent_get_first_property(Cal->cal,ICAL_SUMMARY_PROPERTY);
 641                 if ((show_event) && (p != NULL)) {
 642                         if (all_day_event) {
 643                                 wprintf("<dd><a href=\"display_edit_event?msgnum=%ld&calview=day&year=%d&month=%d&day=%d&hour=%d\">",
 644                                         Cal->cal_msgnum,year, month, day, hour);
 645                                 escputs((char *) icalproperty_get_comment(p));
 646                                 wprintf("</a></dd>\n");
 647                         }
 648                         else {
 649                                 wprintf("<dd  class=\"event\" "
 650                                         "style=\"position: absolute; "
 651                                         "top:%dpx; left:100px; "
 652                                         "height:%dpx; \" >",
 653                                         (1 + (event_tm.tm_min / 2) + (event_te.tm_hour - hour) + (hour * 30) - (dstart * 30)),
 654                                                                 (((event_te.tm_min - event_tm.tm_min) / 2) +(event_te.tm_hour - hour) * 30)
 655                                         );
 656                         }/*
 657                         else {
 658                                 wprintf("<dd>");
 659                                 }* /
 660                                                         );
 661                                                 }
 662                                                 else {
 663                                                         wprintf("<dd>");
 664                                                 }
 665                                                 wprintf("<a href=\"display_edit_event?"
 666                                                         "msgnum=%ld&calview=day&year=%d"
 667                                                         "&month=%d&day=%d&hour=%d\""
 668                                                         " btt_tooltext=\"",
 669                                                         WC->disp_cal[i].cal_msgnum,
 670                                                         year, month, day, hour
 671                                                 );
 672                                                 wprintf("<i>%s</i> ", _("Summary:"));
 673                                                 escputs((char *)icalproperty_get_comment(p));
 674                                                 wprintf("<br />");
 675
 676                                                 l = icalcomponent_get_first_property(
 677                                                                 WC->disp_cal[i].cal,
 678                                                                 ICAL_LOCATION_PROPERTY);
 679                                                 if (l) {
 680                                                         wprintf("<i>%s</i> ", _("Location:"));
 681                                                         escputs((char *)icalproperty_get_comment(l));
 682                                                         wprintf("<br />");
 683                                                 }
 684                                                 n = icalcomponent_get_first_property(
 685                                                                 WC->disp_cal[i].cal,
 686                                                                 ICAL_DESCRIPTION_PROPERTY);
 687                                                 if (n) {
 688                                                         wprintf("<i>%s</i> ", _("Notes:"));
 689                                                         escputs((char *)icalproperty_get_comment(n));
 690                                                         wprintf("<br />");
 691                                                 }
 692                                                 wprintf("\">");
 693                                                 escputs((char *)
 694                                                         icalproperty_get_comment(p));
 695                                                 wprintf("</a></dd>\n");
 696
 697                                         }
 698                                 }
 699                         }
 700
 701                 }
 702
 703                 /* TODO: whats that? thierry, when do we need to show this?
 704                 wprintf("<a href=\"display_edit_event?msgnum=%ld&calview=day&year=%d&month=%d&day=%d&hour=%d\">",
 705                         WC->disp_cal[i].cal_msgnum,
 706                         year, month, day, hour
 707                         );
 708                 escputs((char *)
 709                         icalproperty_get_comment(p));
 710                 wprintf("</a></dd>\n");
 711                 */
 712                 }
 713         }
 714 }
 715
 716
 717
 718 /**
 719  * \brief view one day
 720  * \param year the year
 721  * \param month the month
 722  * \param day the day we want to display
 723  */
 724 void calendar_day_view(int year, int month, int day) {
 725         int hour;
 726         struct icaltimetype today, yesterday, tomorrow;
 727         int daystart = 8;
 728         int dayend = 17;
 729         char daystart_str[16], dayend_str[16];
 730         struct tm d_tm;
 731         char d_str[128];
 732         int time_format;
 733         time_t today_t;
 734
 735         time_format = get_time_format_cached ();
 736         get_preference("daystart", daystart_str, sizeof daystart_str);
 737         if (!IsEmptyStr(daystart_str)) daystart = atoi(daystart_str);
 738         get_preference("dayend", dayend_str, sizeof dayend_str);
 739         if (!IsEmptyStr(dayend_str)) dayend = atoi(dayend_str);
 740
 741         /** Today's date */
 742         memset(&d_tm, 0, sizeof d_tm);
 743         if (WC->num_cal > 0)
 744                 localtime_r(&WC->disp_cal[0].start_day, &d_tm);
 745
 746         d_tm.tm_year = year - 1900;
 747         d_tm.tm_mon = month - 1;
 748         d_tm.tm_mday = day;
 749         today_t = mktime(&d_tm);
 750
 751         /** Figure out the dates for "yesterday" and "tomorrow" links */
 752
 753         memset(&today, 0, sizeof(struct icaltimetype));
 754         today.year = year;
 755         today.month = month;
 756         today.day = day;
 757         today.is_date = 1;
 758
 759         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
 760         --yesterday.day;
 761         yesterday = icaltime_normalize(yesterday);
 762
 763         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
 764         ++tomorrow.day;
 765         tomorrow = icaltime_normalize(tomorrow);
 766
 767         wprintf("<div class=\"fix_scrollbar_bug\">");
 768
 769         /** Inner table (the real one) */
 770         wprintf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
 771
 772         /** Innermost cell (contains hours etc.) */
 773         wprintf("<td class=\"middle_of_the_day\" >");
 774         wprintf("<dl    "
 775                 "style=\"                       "
 776                 "       padding:0 ;             "
 777                 "       margin: 0;              "
 778                 "       position: absolute ;    "
 779                 "       top: 0;                 "
 780                 "       left: 0;                "
 781                 "       width: 500px;           "
 782                 "       clip: rect(0px 500px %dpx 0px);"
 783                 "       clip: rect(0px, 500px, %dpx, 0px);"
 784                 "\">",
 785         (dayend - daystart) * 30,
 786         (dayend - daystart) * 30
 787         );
 788         /** Now the middle of the day... */
 789         for (hour = 0; hour <= dayend; ++hour) {        /* could do HEIGHT=xx */
 790                 if (hour >= daystart) {
 791                         wprintf("<dt><a href=\"display_edit_event?msgnum=0"
 792                                 "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
 793                                 year, month, day, hour
 794                         );
 795
 796                         if (time_format == WC_TIMEFORMAT_24) {
 797                                 wprintf("%2d:00</a> ", hour);
 798                         }
 799                         else {
 800                                 wprintf("%d:00%s</a> ",
 801                                         (hour <= 12 ? hour : hour-12),
 802                                         (hour < 12 ? "am" : "pm")
 803                                 );
 804                         }
 805
 806                 wprintf("</dt>");
 807                 }
 808
 809                 /* put the data here, stupid */
 810                 calendar_day_view_display_events(today_t, year, month, day, hour, 1 , daystart);
 811
 812         }
 813
 814         wprintf("</dl>");
 815         wprintf("</td>");                       /* end of innermost table */
 816
 817         /** Extra events on the middle */
 818         wprintf("<td class=\"extra_events\">");
 819
 820         wprintf("<dl>");
 821
 822         /** Display all-day events) */
 823         wprintf("<dt>All day events</dt>");
 824                 calendar_day_view_display_events(today_t, year, month, day, -1, 0 , daystart);
 825
 826         /** Display events before daystart */
 827         wprintf("<dt>Before day start</dt>");
 828         for (hour = 0; hour <= (daystart-1); ++hour) {
 829                 calendar_day_view_display_events(today_t, year, month, day, hour, 0, daystart );
 830         }
 831
 832         /** Display events after dayend... */
 833         wprintf("<dt>After</dt>");
 834         for (hour = (dayend+1); hour <= 23; ++hour) {
 835                 calendar_day_view_display_events(today_t, year, month, day, hour, 0, daystart );
 836         }
 837
 838         wprintf("</dl>");
 839
 840         wprintf("</td>");       /** end extra on the middle */
 841
 842         wprintf("<td width=20%% valign=top>");  /** begin stuff-on-the-right */
 843
 844         /** Begin todays-date-with-left-and-right-arrows */
 845         wprintf("<table border=0 width=100%% "
 846                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
 847         wprintf("<tr>");
 848
 849         /** Left arrow */
 850         wprintf("<td align=center>");
 851         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 852                 yesterday.year, yesterday.month, yesterday.day);
 853         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
 854         wprintf("</td>");
 855
 856         wc_strftime(d_str, sizeof d_str,
 857                 "<td align=center>"
 858                 "<font size=+2>%B</font><br />"
 859                 "<font size=+3>%d</font><br />"
 860                 "<font size=+2>%Y</font><br />"
 861                 "</td>",
 862                 &d_tm
 863         );
 864         wprintf("%s", d_str);
 865
 866         /** Right arrow */
 867         wprintf("<td align=center>");
 868         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 869                 tomorrow.year, tomorrow.month, tomorrow.day);
 870         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
 871                 " border=0></a>\n");
 872         wprintf("</td>");
 873
 874         wprintf("</tr></table>\n");
 875         /** End todays-date-with-left-and-right-arrows */
 876
 877         /** \todo In the future we might want to put a month-o-matic here */
 878
 879         wprintf("</font></center>\n");
 880
 881         wprintf("</td></tr>");                  /** end stuff-on-the-right */
 882
 883         wprintf("</table>"                      /** end of inner table */
 884                 "</div>");
 885
 886         wprintf("<script type=\"text/javascript\">"
 887                 " setTimeout(\"btt_enableTooltips('inner_day')\", 1); "
 888                 "</script>\n"
 889         );
 890
 891
 892 }
 893 /**
 894  * \brief Display today's events.
 895  */
 896 void calendar_summary_view(void) {
 897         int i;
 898         icalproperty *p;
 899         struct icaltimetype t;
 900         time_t event_tt;
 901         struct tm event_tm;
 902         struct tm today_tm;
 903         time_t now;
 904         int all_day_event = 0;
 905         char timestring[SIZ];
 906
 907         if (WC->num_cal == 0) {
 908                 return;
 909         }
 910
 911         now = time(NULL);
 912         localtime_r(&now, &today_tm);
 913
 914         for (i=0; i<(WC->num_cal); ++i) {
 915                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 916                                                 ICAL_DTSTART_PROPERTY);
 917                 if (p != NULL) {
 918                         t = icalproperty_get_dtstart(p);
 919                         event_tt = icaltime_as_timet(t);
 920                         if (t.is_date) {
 921                                 all_day_event = 1;
 922                         }
 923                         else {
 924                                 all_day_event = 0;
 925                         }
 926                         fmt_time(timestring, event_tt);
 927
 928                         if (all_day_event) {
 929                                 gmtime_r(&event_tt, &event_tm);
 930                         }
 931                         else {
 932                                 localtime_r(&event_tt, &event_tm);
 933                         }
 934
 935                         if ( (event_tm.tm_year == today_tm.tm_year)
 936                            && (event_tm.tm_mon == today_tm.tm_mon)
 937                            && (event_tm.tm_mday == today_tm.tm_mday)
 938                            ) {
 939
 940
 941                                 p = icalcomponent_get_first_property(
 942                                                         WC->disp_cal[i].cal,
 943                                                         ICAL_SUMMARY_PROPERTY);
 944                                 if (p != NULL) {
 945                                         escputs((char *)
 946                                                 icalproperty_get_comment(p));
 947                                         wprintf(" (%s)<br />\n", timestring);
 948                                 }
 949                         }
 950                 }
 951         }
 952         free_calendar_buffer();
 953 }
 954
 955
 956 /**
 957  * \brief clean up ical memory
 958  * \todo this could get troubel with future ical versions
 959  */
 960 void free_calendar_buffer(void) {
 961         int i;
 962         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 963                 icalcomponent_free(WC->disp_cal[i].cal);
 964         }
 965         WC->num_cal = 0;
 966         free(WC->disp_cal);
 967         WC->disp_cal = NULL;
 968 }
 969
 970
 971
 972 /**
 973  * \brief do the whole calendar page
 974  * view any part of the calender. decide which way, etc.
 975  */
 976 void do_calendar_view(void) {
 977         time_t now;
 978         struct tm tm;
 979         int year, month, day;
 980         char calview[SIZ];
 981
 982         /** In case no date was specified, go with today */
 983         now = time(NULL);
 984         localtime_r(&now, &tm);
 985         year = tm.tm_year + 1900;
 986         month = tm.tm_mon + 1;
 987         day = tm.tm_mday;
 988
 989         /** Now see if a date was specified */
 990         if (!IsEmptyStr(bstr("year"))) year = atoi(bstr("year"));
 991         if (!IsEmptyStr(bstr("month"))) month = atoi(bstr("month"));
 992         if (!IsEmptyStr(bstr("day"))) day = atoi(bstr("day"));
 993
 994         /** How would you like that cooked? */
 995         if (!IsEmptyStr(bstr("calview"))) {
 996                 strcpy(calview, bstr("calview"));
 997         }
 998         else {
 999                 strcpy(calview, "month");
1000         }
1001
1002         /** Display the selected view */
1003         if (!strcasecmp(calview, "day")) {
1004                 calendar_day_view(year, month, day);
1005         }
1006         else if (!strcasecmp(calview, "week")) {
1007                 calendar_week_view(year, month, day);
1008         }
1009         else {
1010                 if (WC->wc_view == VIEW_CALBRIEF) {
1011                         calendar_brief_month_view(year, month, day);
1012                 }
1013                 else {
1014                         calendar_month_view(year, month, day);
1015                 }
1016         }
1017
1018         /** Free the calendar stuff */
1019         free_calendar_buffer();
1020
1021 }
1022
1023
1024 /**
1025  * \brief get task due date
1026  * Helper function for do_tasks_view().
1027  * \param vtodo a task to get the due date
1028  * \return the date/time due.
1029  */
1030 time_t get_task_due_date(icalcomponent *vtodo) {
1031         icalproperty *p;
1032
1033         if (vtodo == NULL) {
1034                 return(0L);
1035         }
1036
1037         /**
1038          * If we're looking at a fully encapsulated VCALENDAR
1039          * rather than a VTODO component, recurse into the data
1040          * structure until we get a VTODO.
1041          */
1042         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
1043                 return get_task_due_date(
1044                         icalcomponent_get_first_component(
1045                                 vtodo, ICAL_VTODO_COMPONENT
1046                         )
1047                 );
1048         }
1049
1050         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
1051         if (p != NULL) {
1052                 return(icaltime_as_timet(icalproperty_get_due(p)));
1053         }
1054         else {
1055                 return(0L);
1056         }
1057 }
1058
1059
1060 /**
1061  * \brief Compare the due dates of two tasks (this is for sorting)
1062  * \param task1 first task to compare
1063  * \param task2 second task to compare
1064  */
1065 int task_due_cmp(const void *task1, const void *task2) {
1066         time_t t1;
1067         time_t t2;
1068
1069         t1 =  get_task_due_date(((struct disp_cal *)task1)->cal);
1070         t2 =  get_task_due_date(((struct disp_cal *)task2)->cal);
1071
1072         if (t1 < t2) return(-1);
1073         if (t1 > t2) return(1);
1074         return(0);
1075 }
1076
1077
1078
1079
1080 /**
1081  * \brief do the whole task view stuff
1082  */
1083 void do_tasks_view(void) {
1084         int i;
1085         time_t due;
1086         int bg = 0;
1087         char buf[SIZ];
1088         icalproperty *p;
1089
1090         wprintf("<div class=\"fix_scrollbar_bug\">"
1091                 "<table class=\"calendar_view_background\">\n<tr>\n"
1092                 "<th>");
1093         wprintf(_("Name of task"));
1094         wprintf("</th><th>");
1095         wprintf(_("Date due"));
1096         wprintf("</th></tr>\n"
1097         );
1098
1099         /** Sort them if necessary */
1100         if (WC->num_cal > 1) {
1101                 qsort(WC->disp_cal,
1102                         WC->num_cal,
1103                         sizeof(struct disp_cal),
1104                         task_due_cmp
1105                 );
1106         }
1107
1108         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
1109
1110                 bg = 1 - bg;
1111                 wprintf("<tr bgcolor=\"#%s\"><td>",
1112                         (bg ? "DDDDDD" : "FFFFFF")
1113                 );
1114
1115                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
1116                                                         ICAL_SUMMARY_PROPERTY);
1117                 wprintf("<a href=\"display_edit_task?msgnum=%ld&taskrm=",
1118                         WC->disp_cal[i].cal_msgnum );
1119                 urlescputs(WC->wc_roomname);
1120                 wprintf("\">");
1121                 wprintf("<img align=middle "
1122                         "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;");
1123                 if (p != NULL) {
1124                         escputs((char *)icalproperty_get_comment(p));
1125                 }
1126                 wprintf("</a>\n");
1127                 wprintf("</td>\n");
1128
1129                 due = get_task_due_date(WC->disp_cal[i].cal);
1130                 fmt_date(buf, due, 0);
1131                 wprintf("<td><font");
1132                 if (due < time(NULL)) {
1133                         wprintf(" color=\"#FF0000\"");
1134                 }
1135                 wprintf(">%s</font></td></tr>\n", buf);
1136         }
1137
1138         wprintf("</table></div>\n");
1139
1140         /** Free the list */
1141         free_calendar_buffer();
1142
1143 }
1144
1145 #else   /* WEBCIT_WITH_CALENDAR_SERVICE */
1146
1147 /**\brief stub for non-libical builds */
1148 void do_calendar_view(void) {
1149         wprintf("<center><i>");
1150         wprintf(_("The calendar view is not available."));
1151         wprintf("</i></center><br />\n");
1152 }
1153
1154 /**\brief stub for non-libical builds */
1155 void do_tasks_view(void) {
1156         wprintf("<center><I>");
1157         wprintf(_("The tasks view is not available."));
1158         wprintf("</i></center><br />\n");
1159 }
1160
1161
1162 #endif  /* WEBCIT_WITH_CALENDAR_SERVICE */
1163
1164 /** @} */