webcit/calendar_view.c

   1 /*
   2  * $Id$
   3  */
   4 /**
   5  * \defgroup CalHtmlHandles Handles the HTML display of calendar items.
   6  * \ingroup Calendaring
   7  */
   8 /*@{*/
   9 #include "webcit.h"
  10 #include "webserver.h"
  11
  12 #ifndef WEBCIT_WITH_CALENDAR_SERVICE
  13
  14 /**\brief stub for non-libical builds */
  15 void do_calendar_view(void) {
  16         wprintf("<center><i>");
  17         wprintf(_("The calendar view is not available."));
  18         wprintf("</i></center><br />\n");
  19 }
  20
  21 /**\brief stub for non-libical builds */
  22 void do_tasks_view(void) {
  23         wprintf("<center><I>");
  24         wprintf(_("The tasks view is not available."));
  25         wprintf("</i></center><br />\n");
  26 }
  27
  28 #else   /* WEBCIT_WITH_CALENDAR_SERVICE */
  29
  30 /****************************************************************************/
  31
  32 /**
  33  * \brief Display one day of a whole month view of a calendar
  34  * \param thetime the month we want to see
  35  */
  36 void calendar_month_view_display_events(time_t thetime) {
  37         int i;
  38         time_t event_tt;
  39         time_t event_tte;
  40         struct tm event_tm;
  41         struct tm event_te;
  42         struct tm today_tm;
  43         icalproperty *p = NULL;
  44         icalproperty *pe = NULL;
  45         icalproperty *q = NULL;
  46         struct icaltimetype t;
  47         int month, day, year;
  48         int all_day_event = 0;
  49         time_t tt;
  50         char buf[256];
  51
  52         if (WC->num_cal == 0) {
  53                 wprintf("<br /><br /><br />\n");
  54                 return;
  55         }
  56
  57         localtime_r(&thetime, &today_tm);
  58         month = today_tm.tm_mon + 1;
  59         day = today_tm.tm_mday;
  60         year = today_tm.tm_year + 1900;
  61
  62         for (i=0; i<(WC->num_cal); ++i) {
  63                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
  64                                                 ICAL_DTSTART_PROPERTY);
  65                 pe = icalcomponent_get_first_property(WC->disp_cal[i].cal,
  66                                                       ICAL_DTEND_PROPERTY);
  67                 if (p != NULL) {
  68                         t = icalproperty_get_dtstart(p);
  69                         event_tt = icaltime_as_timet(t);
  70
  71                         if (t.is_date) all_day_event = 1;
  72                         else all_day_event = 0;
  73
  74                         if (all_day_event) {
  75                                 gmtime_r(&event_tt, &event_tm);
  76                                 gmtime_r(&event_tt, &event_te);// allday events don't have end-dates.
  77                         }
  78                         else {
  79                                 localtime_r(&event_tt, &event_tm);
  80                                 if (pe != NULL)
  81                                 {
  82                                         t = icalproperty_get_dtend(pe);
  83                                         event_tte = icaltime_as_timet(t);
  84                                         localtime_r(&event_tte, &event_te);
  85                                 }
  86                                 else
  87                                         localtime_r(&event_tt, &event_te);
  88                         }
  89
  90                         if ((event_tm.tm_year <= today_tm.tm_year)
  91                            && (event_tm.tm_mon <= today_tm.tm_mon)
  92                            && (event_tm.tm_mday <= today_tm.tm_mday)
  93                            && (event_te.tm_year >= today_tm.tm_year)
  94                            && (event_te.tm_mon >= today_tm.tm_mon)
  95                            && (event_te.tm_mday >= today_tm.tm_mday)) {
  96
  97                                 p = icalcomponent_get_first_property(
  98                                                         WC->disp_cal[i].cal,
  99                                                         ICAL_SUMMARY_PROPERTY);
 100                                 if (p != NULL) {
 101
 102                                         if (all_day_event) {
 103                                                 wprintf("<table border=0 cellpadding=2><TR>"
 104                                                         "<td bgcolor=\"#CCCCDD\">"
 105                                                 );
 106                                         }
 107
 108                                         wprintf("<font size=-1>"
 109                                                 "<a href=\"display_edit_event?"
 110                                                 "msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\""
 111                                                 " btt_tooltext=\"",
 112                                                 WC->disp_cal[i].cal_msgnum,
 113                                                 bstr("calview"),
 114                                                 bstr("year"),
 115                                                 bstr("month"),
 116                                                 bstr("day")
 117                                         );
 118
 119                                         wprintf("<i>%s</i> ", _("Summary:"));
 120                                         escputs((char *)icalproperty_get_comment(p));
 121                                         wprintf("<br />");
 122
 123                                         q = icalcomponent_get_first_property(
 124                                                         WC->disp_cal[i].cal,
 125                                                         ICAL_LOCATION_PROPERTY);
 126                                         if (q) {
 127                                                 wprintf("<i>%s</i> ", _("Location:"));
 128                                                 escputs((char *)icalproperty_get_comment(q));
 129                                                 wprintf("<br />");
 130                                         }
 131
 132                                         /**
 133                                          * Only show start/end times if we're actually looking at the VEVENT
 134                                          * component.  Otherwise it shows bogus dates for e.g. timezones
 135                                          */
 136                                         if (icalcomponent_isa(WC->disp_cal[i].cal) == ICAL_VEVENT_COMPONENT) {
 137
 138                                                 q = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 139                                                                                 ICAL_DTSTART_PROPERTY);
 140                                                 if (q != NULL) {
 141                                                         t = icalproperty_get_dtstart(q);
 142
 143                                                         if (t.is_date) {
 144                                                                 struct tm d_tm;
 145                                                                 char d_str[32];
 146                                                                 memset(&d_tm, 0, sizeof d_tm);
 147                                                                 d_tm.tm_year = t.year - 1900;
 148                                                                 d_tm.tm_mon = t.month - 1;
 149                                                                 d_tm.tm_mday = t.day;
 150                                                                 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 151                                                                 wprintf("<i>%s</i> %s<br>",
 152                                                                         _("Date:"), d_str);
 153                                                         }
 154                                                         else {
 155                                                                 tt = icaltime_as_timet(t);
 156                                                                 fmt_date(buf, tt, 1);
 157                                                                 wprintf("<i>%s</i> %s<br>",
 158                                                                         _("Starting date/time:"), buf);
 159
 160                                                                 /* Embed the 'show end date/time' loop inside here so it
 161                                                                  * only executes if this is NOT an all day event.
 162                                                                  */
 163                                                                 q = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 164                                                                                                         ICAL_DTEND_PROPERTY);
 165                                                                 if (q != NULL) {
 166                                                                         t = icalproperty_get_dtend(q);
 167                                                                         tt = icaltime_as_timet(t);
 168                                                                         fmt_date(buf, tt, 1);
 169                                                                         wprintf("<i>%s</i> %s<br>",
 170                                                                                 _("Ending date/time:"), buf);
 171                                                                 }
 172
 173                                                         }
 174                                                 }
 175
 176                                         }
 177
 178                                         q = icalcomponent_get_first_property(
 179                                                         WC->disp_cal[i].cal,
 180                                                         ICAL_DESCRIPTION_PROPERTY);
 181                                         if (q) {
 182                                                 wprintf("<i>%s</i> ", _("Notes:"));
 183                                                 escputs((char *)icalproperty_get_comment(q));
 184                                                 wprintf("<br />");
 185                                         }
 186
 187                                         wprintf("\">");
 188                                         escputs((char *)
 189                                                 icalproperty_get_comment(p));
 190                                         wprintf("</a></font><br />\n");
 191
 192                                         if (all_day_event) {
 193                                                 wprintf("</td></tr></table>");
 194                                         }
 195
 196                                 }
 197
 198                         }
 199
 200
 201                 }
 202         }
 203 }
 204
 205
 206 /**
 207  * \brief Display one day of a whole month view of a calendar
 208  * \param thetime the month we want to see
 209  */
 210 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 211         int i;
 212         time_t event_tt;
 213         time_t event_tts;
 214         time_t event_tte;
 215         struct tm event_tms;
 216         struct tm event_tme;
 217         struct tm today_tm;
 218         icalproperty *p;
 219         icalproperty *e;
 220         struct icaltimetype t;
 221         int month, day, year;
 222         int all_day_event = 0;
 223         char *timeformat;
 224         int time_format;
 225
 226         time_format = get_time_format_cached ();
 227
 228         if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
 229         else timeformat="%I:%M %p";
 230
 231         localtime_r(&thetime, &today_tm);
 232         month = today_tm.tm_mon + 1;
 233         day = today_tm.tm_mday;
 234         year = today_tm.tm_year + 1900;
 235
 236         for (i=0; i<(WC->num_cal); ++i) {
 237                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 238                                                 ICAL_DTSTART_PROPERTY);
 239                 if (p != NULL) {
 240                         t = icalproperty_get_dtstart(p);
 241                         event_tt = icaltime_as_timet(t);
 242                         event_tts=event_tt;
 243                         if (t.is_date) all_day_event = 1;
 244                         else all_day_event = 0;
 245
 246                         if (all_day_event) {
 247                                 gmtime_r(&event_tts, &event_tms);
 248                         }
 249                         else {
 250                                 localtime_r(&event_tts, &event_tms);
 251                         }
 252                         /** \todo epoch &! daymask */
 253                         if ((event_tms.tm_year == today_tm.tm_year)
 254                            && (event_tms.tm_mon == today_tm.tm_mon)
 255                            && (event_tms.tm_mday == today_tm.tm_mday)) {
 256
 257
 258                                 char sbuf[255];
 259                                 char ebuf[255];
 260
 261                                 p = icalcomponent_get_first_property(
 262                                                         WC->disp_cal[i].cal,
 263                                                         ICAL_SUMMARY_PROPERTY);
 264                                 e = icalcomponent_get_first_property(
 265                                                         WC->disp_cal[i].cal,
 266                                                         ICAL_DTEND_PROPERTY);
 267                                 if ((p != NULL) && (e != NULL)) {
 268                                         time_t difftime;
 269                                         int hours, minutes;
 270                                         t = icalproperty_get_dtend(e);
 271                                         event_tte = icaltime_as_timet(t);
 272                                         localtime_r(&event_tte, &event_tme);
 273                                         difftime=(event_tte-event_tts)/60;
 274                                         hours=(int)(difftime / 60);
 275                                         minutes=difftime % 60;
 276                                         wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 277                                                         "<font size=-1>"
 278                                                         "<a href=\"display_edit_event?msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\">",
 279                                                         daycolor,
 280                                                         hours, minutes,
 281                                                         daycolor,
 282                                                         WC->disp_cal[i].cal_msgnum,
 283                                                         bstr("calview"),
 284                                                         bstr("year"),
 285                                                         bstr("month"),
 286                                                         bstr("day")
 287                                                         );
 288
 289                                         escputs((char *)
 290                                                         icalproperty_get_comment(p));
 291                                         /** \todo: allso ammitime format */
 292                                         wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 293                                         wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 294
 295                                         wprintf("</a></font></td>"
 296                                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 297                                                         daycolor,
 298                                                         sbuf,
 299                                                         daycolor,
 300                                                         ebuf);
 301
 302                                 }
 303
 304                         }
 305
 306
 307                 }
 308         }
 309 }
 310
 311
 312 /**
 313  * \brief view one month. pretty view
 314  * \param year the year
 315  * \param month the month
 316  * \param day the actual day we want to see
 317  */
 318 void calendar_month_view(int year, int month, int day) {
 319         struct tm starting_tm;
 320         struct tm tm;
 321         time_t thetime;
 322         int i;
 323         time_t previous_month;
 324         time_t next_month;
 325         time_t colheader_time;
 326         struct tm colheader_tm;
 327         char colheader_label[32];
 328
 329         /** Determine what day to start.
 330          * First, back up to the 1st of the month...
 331          */
 332         memset(&starting_tm, 0, sizeof(struct tm));
 333         starting_tm.tm_year = year - 1900;
 334         starting_tm.tm_mon = month - 1;
 335         starting_tm.tm_mday = day;
 336         thetime = mktime(&starting_tm);
 337
 338         memcpy(&tm, &starting_tm, sizeof(struct tm));
 339         while (tm.tm_mday != 1) {
 340                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 341                 localtime_r(&thetime, &tm);
 342         }
 343
 344         /** Determine previous and next months ... for links */
 345         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 346         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 347
 348         /** Now back up until we're on a Sunday */
 349         localtime_r(&thetime, &tm);
 350         while (tm.tm_wday != 0) {
 351                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 352                 localtime_r(&thetime, &tm);
 353         }
 354
 355         /** Outer table (to get the background color) */
 356         wprintf("<div class=\"fix_scrollbar_bug\">"
 357                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 358                 "bgcolor=#204B78><TR><TD>\n");
 359
 360         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 361
 362         wprintf("<td align=center>");
 363
 364         localtime_r(&previous_month, &tm);
 365         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 366                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 367         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 368
 369         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 370         wprintf("&nbsp;&nbsp;"
 371                 "<font size=+1 color=\"#FFFFFF\">"
 372                 "%s %d"
 373                 "</font>"
 374                 "&nbsp;&nbsp;", colheader_label, year);
 375
 376         localtime_r(&next_month, &tm);
 377         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 378                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 379         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 380
 381         wprintf("</td></tr></table>\n");
 382
 383         /** Inner table (the real one) */
 384         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 385                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 386         colheader_time = thetime;
 387         for (i=0; i<7; ++i) {
 388                 colheader_time = thetime + (i * 86400) ;
 389                 localtime_r(&colheader_time, &colheader_tm);
 390                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 391                 wprintf("<td align=center width=14%%>"
 392                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 393
 394         }
 395         wprintf("</tr>\n");
 396
 397         /** Now do 35 days */
 398         for (i = 0; i < 35; ++i) {
 399                 localtime_r(&thetime, &tm);
 400
 401                 /** Before displaying Sunday, start a new row */
 402                 if ((i % 7) == 0) {
 403                         wprintf("<tr>");
 404                 }
 405
 406                 wprintf("<td bgcolor=\"#%s\" width=14%% height=60 align=left valign=top><b>",
 407                         ((tm.tm_mon != month-1) ? "DDDDDD" :
 408                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 409                         "FFFFFF"))
 410                 );
 411                 if ((i==0) || (tm.tm_mday == 1)) {
 412                         wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 413                         wprintf("%s ", colheader_label);
 414                 }
 415                 wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">"
 416                         "%d</a></b><br />",
 417                         tm.tm_year + 1900,
 418                         tm.tm_mon + 1,
 419                         tm.tm_mday,
 420                         tm.tm_mday);
 421
 422                 /** put the data here, stupid */
 423                 calendar_month_view_display_events(thetime);
 424
 425                 wprintf("</td>");
 426
 427                 /** After displaying Saturday, end the row */
 428                 if ((i % 7) == 6) {
 429                         wprintf("</tr>\n");
 430                 }
 431
 432                 thetime += (time_t)86400;               /** ahead 24 hours */
 433         }
 434
 435         wprintf("</table>"                      /** end of inner table */
 436                 "</td></tr></table>"            /** end of outer table */
 437                 "</div>\n");
 438
 439         /**
 440          * Initialize the bubble tooltips.
 441          *
 442          * Yes, this is as stupid as it looks.  Instead of just making the call
 443          * to btt_enableTooltips() straight away, we have to create a timer event
 444          * and let it initialize as an event after 1 millisecond.  This is to
 445          * work around a bug in Internet Explorer that causes it to crash if we
 446          * manipulate the innerHTML of various DOM nodes while the page is still
 447          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 448          * for more information.
 449          */
 450         wprintf("<script type=\"text/javascript\">"
 451                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); "
 452                 "</script>\n"
 453         );
 454 }
 455
 456 /**
 457  * \brief view one month. brief view
 458  * \param year the year
 459  * \param month the month
 460  * \param day the actual day we want to see
 461  */
 462 void calendar_brief_month_view(int year, int month, int day) {
 463         struct tm starting_tm;
 464         struct tm tm;
 465         time_t thetime;
 466         int i;
 467         time_t previous_month;
 468         time_t next_month;
 469         char month_label[32];
 470
 471         /** Determine what day to start.
 472          * First, back up to the 1st of the month...
 473          */
 474         memset(&starting_tm, 0, sizeof(struct tm));
 475         starting_tm.tm_year = year - 1900;
 476         starting_tm.tm_mon = month - 1;
 477         starting_tm.tm_mday = day;
 478         thetime = mktime(&starting_tm);
 479
 480         memcpy(&tm, &starting_tm, sizeof(struct tm));
 481         while (tm.tm_mday != 1) {
 482                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 483                 localtime_r(&thetime, &tm);
 484         }
 485
 486         /** Determine previous and next months ... for links */
 487         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 488         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 489
 490         /** Now back up until we're on a Sunday */
 491         localtime_r(&thetime, &tm);
 492         while (tm.tm_wday != 0) {
 493                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 494                 localtime_r(&thetime, &tm);
 495         }
 496
 497         /** Outer table (to get the background color) */
 498         wprintf("<div class=\"fix_scrollbar_bug\">"
 499                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 500                 "bgcolor=#204B78><TR><TD>\n");
 501
 502         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 503
 504         wprintf("<td align=center>");
 505
 506         localtime_r(&previous_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/prevdate_32x.gif\" border=0></A>\n");
 510
 511         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 512         wprintf("&nbsp;&nbsp;"
 513                 "<font size=+1 color=\"#FFFFFF\">"
 514                 "%s %d"
 515                 "</font>"
 516                 "&nbsp;&nbsp;", month_label, year);
 517
 518         localtime_r(&next_month, &tm);
 519         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 520                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 521         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 522
 523         wprintf("</td></tr></table>\n");
 524
 525         /** Inner table (the real one) */
 526         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 527                 "bgcolor=#EEEECC><TR>");
 528         wprintf("</tr>\n");
 529         wprintf("<tr><td colspan=\"100%\">\n");
 530
 531         /** Now do 35 days */
 532         for (i = 0; i < 35; ++i) {
 533                 char weeknumber[255];
 534                 char weekday_name[32];
 535                 char *daycolor;
 536                 localtime_r(&thetime, &tm);
 537
 538
 539                 /** Before displaying Sunday, start a new CELL */
 540                 if ((i % 7) == 0) {
 541                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 542                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%'> <tr><th colspan='4'>%s %s</th></tr>"
 543                                         "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 544                                         _("Week"),
 545                                         weeknumber,
 546                                         _("Hours"),
 547                                         _("Subject"),
 548                                         _("Start"),
 549                                         _("End")
 550                                         );
 551                 }
 552
 553                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 554                                   ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 555                                    "FFFFFF"));
 556
 557                 /** Day Header */
 558                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 559                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 560                                 "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 561                                 daycolor,
 562                                 weekday_name,tm.tm_mday,
 563                                 daycolor);
 564
 565                 /** put the data of one day  here, stupid */
 566                 calendar_month_view_brief_events(thetime, daycolor);
 567
 568
 569                 /** After displaying Saturday, end the row */
 570                 if ((i % 7) == 6) {
 571                         wprintf("</td></tr></table>\n");
 572                 }
 573
 574                 thetime += (time_t)86400;               /** ahead 24 hours */
 575         }
 576
 577         wprintf("</table>"                      /** end of inner table */
 578                 "</td></tr></table>"            /** end of outer table */
 579                 "</div>\n");
 580 }
 581
 582 /**
 583  * \brief view one week
 584  * this should view just one week, but it's not here yet.
 585  * \todo ny implemented
 586  * \param year the year
 587  * \param month the month
 588  * \param day the day which we want to see the week around
 589  */
 590 void calendar_week_view(int year, int month, int day) {
 591         wprintf("<center><i>week view FIXME</i></center><br />\n");
 592 }
 593
 594
 595 /**
 596  * \brief display one day
 597  * Display events for a particular hour of a particular day.
 598  * (Specify hour < 0 to show "all day" events)
 599  * \param year the year
 600  * \param month the month
 601  * \param day the day
 602  * \param hour the hour we want to start displaying?????
 603  */
 604 void calendar_day_view_display_events(int year, int month,
 605                                         int day, int hour) {
 606         int i;
 607         icalproperty *p;
 608         icalproperty *pe = NULL;
 609         struct icaltimetype t;
 610         struct icaltimetype te;
 611         time_t event_tt;
 612         time_t event_tte;
 613         struct tm event_te;
 614         struct tm event_tm;
 615         int all_day_event = 0;
 616
 617         if (WC->num_cal == 0) {
 618                 // \todo FIXME wprintf("<br /><br /><br />\n");
 619                 return;
 620         }
 621
 622         for (i=0; i<(WC->num_cal); ++i) {
 623                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 624                                                 ICAL_DTSTART_PROPERTY);
 625                 pe = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 626                                                       ICAL_DTEND_PROPERTY);
 627                 if (p != NULL) {
 628                         t = icalproperty_get_dtstart(p);
 629                         event_tt = icaltime_as_timet(t);
 630                         if (t.is_date) {
 631                                 all_day_event = 1;
 632                         }
 633                         else {
 634                                 all_day_event = 0;
 635                         }
 636
 637                         if (all_day_event) {
 638                                 gmtime_r(&event_tt, &event_tm);
 639                                 gmtime_r(&event_tt, &event_te);
 640                         }
 641                         else {
 642                                 localtime_r(&event_tt, &event_tm);
 643                                 if (pe != NULL)
 644                                 {
 645                                         te = icalproperty_get_dtend(pe);
 646                                         event_tte = icaltime_as_timet(te);
 647                                         localtime_r(&event_tte, &event_te);
 648                                 }
 649                                 else
 650                                         localtime_r(&event_tt, &event_te);
 651                         }
 652
 653                         if (((event_tm.tm_year <= (year-1900))
 654                              && (event_tm.tm_mon <= (month-1))
 655                              && (event_tm.tm_mday <= day)
 656                              && (event_te.tm_year >= (year-1900))
 657                              && (event_te.tm_mon >= (month-1))
 658                              && (event_te.tm_mday >= day))
 659                             && (
 660                                  // are we in the start hour?
 661                                     ((event_tm.tm_mday == day)
 662                                      && (event_tm.tm_hour == hour)
 663                                      && (!t.is_date))
 664                                  // are we an all day event?
 665                                     || ((hour<0)&&(t.is_date))
 666                                  // does it span multible days and we're not at the start day?
 667                                     || ((hour<0)
 668                                         && (event_tm.tm_mday < day)
 669                                         && (event_te.tm_mday >= day))
 670                                     ))
 671                         {
 672                                 p = icalcomponent_get_first_property(
 673                                                         WC->disp_cal[i].cal,
 674                                                         ICAL_SUMMARY_PROPERTY);
 675                                 if (p != NULL) {
 676
 677                                         if (all_day_event) {
 678                                                 wprintf("<table border=1 cellpadding=2><TR>"
 679                                                         "<td bgcolor=\"#CCCCCC\">"
 680                                                 );
 681                                         }
 682
 683                                         wprintf("<font size=-1>"
 684                                                 "<a href=\"display_edit_event?msgnum=%ld&calview=day&year=%d&month=%d&day=%d\">",
 685                                                 WC->disp_cal[i].cal_msgnum,
 686                                                 year, month, day
 687                                         );
 688                                         escputs((char *)
 689                                                 icalproperty_get_comment(p));
 690                                         wprintf("</a></font><br />\n");
 691
 692                                         if (all_day_event) {
 693                                                 wprintf("</td></tr></table>");
 694                                         }
 695                                 }
 696
 697                         }
 698
 699
 700                 }
 701         }
 702 }
 703
 704
 705 /**
 706  * \brief view one day
 707  * \param year the year
 708  * \param month the month
 709  * \param day the day we want to display
 710  */
 711 void calendar_day_view(int year, int month, int day) {
 712         int hour;
 713         struct icaltimetype today, yesterday, tomorrow;
 714         int daystart = 8;
 715         int dayend = 17;
 716         char daystart_str[16], dayend_str[16];
 717         struct tm d_tm;
 718         char d_str[128];
 719         int time_format;
 720
 721         time_format = get_time_format_cached ();
 722         get_preference("daystart", daystart_str, sizeof daystart_str);
 723         if (!IsEmptyStr(daystart_str)) daystart = atoi(daystart_str);
 724         get_preference("dayend", dayend_str, sizeof dayend_str);
 725         if (!IsEmptyStr(dayend_str)) dayend = atoi(dayend_str);
 726
 727
 728         /** Figure out the dates for "yesterday" and "tomorrow" links */
 729
 730         memset(&today, 0, sizeof(struct icaltimetype));
 731         today.year = year;
 732         today.month = month;
 733         today.day = day;
 734         today.is_date = 1;
 735
 736         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
 737         --yesterday.day;
 738         yesterday = icaltime_normalize(yesterday);
 739
 740         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
 741         ++tomorrow.day;
 742         tomorrow = icaltime_normalize(tomorrow);
 743
 744
 745         /** Outer table (to get the background color) */
 746         wprintf("<div class=\"fix_scrollbar_bug\">"
 747                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 748                 "bgcolor=#204B78><tr><td>\n");
 749
 750         /** Inner table (the real one) */
 751         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 752                 "bgcolor=#204B78><tr>\n");
 753
 754         /** Innermost table (contains hours etc.) */
 755         wprintf("<td width=80%%>"
 756                 "<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 757                 "bgcolor=#204B78>\n");
 758
 759         /** Display events before 8:00 (hour=-1 is all-day events) */
 760         wprintf("<tr>"
 761                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 762                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 763         for (hour = (-1); hour <= (daystart-1); ++hour) {
 764                 calendar_day_view_display_events(year, month, day, hour);
 765         }
 766         wprintf("</td></tr>\n");
 767
 768         /** Now the middle of the day... */
 769         for (hour = daystart; hour <= dayend; ++hour) { /* could do HEIGHT=xx */
 770                 wprintf("<tr height=30><td bgcolor=\"#CCCCDD\" align=middle "
 771                         "valign=middle width=10%%>");
 772                 wprintf("<a href=\"display_edit_event?msgnum=0"
 773                         "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
 774                         year, month, day, hour
 775                 );
 776
 777                 if (time_format == WC_TIMEFORMAT_24) {
 778                         wprintf("%2d:00</a> ", hour);
 779                 }
 780                 else {
 781                         wprintf("%d:00%s</a> ",
 782                                 (hour <= 12 ? hour : hour-12),
 783                                 (hour < 12 ? "am" : "pm")
 784                         );
 785                 }
 786
 787                 wprintf("</td><td bgcolor=\"#FFFFFF\" valign=top>");
 788
 789                 /* put the data here, stupid */
 790                 calendar_day_view_display_events(year, month, day, hour);
 791
 792                 wprintf("</td></tr>\n");
 793         }
 794
 795         /** Display events after 5:00... */
 796         wprintf("<tr>"
 797                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 798                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 799         for (hour = (dayend+1); hour <= 23; ++hour) {
 800                 calendar_day_view_display_events(year, month, day, hour);
 801         }
 802         wprintf("</td></tr>\n");
 803
 804
 805         wprintf("</table>"                      /* end of innermost table */
 806                 "</td>"
 807         );
 808
 809         wprintf("<td width=20%% valign=top>");  /* begin stuff-on-the-right */
 810
 811
 812         /** Begin todays-date-with-left-and-right-arrows */
 813         wprintf("<table border=0 width=100%% "
 814                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
 815         wprintf("<tr>");
 816
 817         /** Left arrow */
 818         wprintf("<td align=center>");
 819         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 820                 yesterday.year, yesterday.month, yesterday.day);
 821         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
 822         wprintf("</td>");
 823
 824         /** Today's date */
 825         memset(&d_tm, 0, sizeof d_tm);
 826         d_tm.tm_year = year - 1900;
 827         d_tm.tm_mon = month - 1;
 828         d_tm.tm_mday = day;
 829         wc_strftime(d_str, sizeof d_str,
 830                 "<td align=center>"
 831                 "<font size=+2>%B</font><br />"
 832                 "<font size=+3>%d</font><br />"
 833                 "<font size=+2>%Y</font><br />"
 834                 "</td>",
 835                 &d_tm
 836         );
 837         wprintf("%s", d_str);
 838
 839         /** Right arrow */
 840         wprintf("<td align=center>");
 841         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 842                 tomorrow.year, tomorrow.month, tomorrow.day);
 843         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
 844                 " border=0></A>\n");
 845         wprintf("</td>");
 846
 847         wprintf("</tr></table>\n");
 848         /** End todays-date-with-left-and-right-arrows */
 849
 850         /** \todo In the future we might want to put a month-o-matic here */
 851
 852         wprintf("</font></center>\n");
 853
 854         wprintf("</td>");                       /** end stuff-on-the-right */
 855
 856
 857
 858         wprintf("</tr></table>"                 /** end of inner table */
 859                 "</td></tr></table></div>"      /** end of outer table */
 860         );
 861
 862
 863
 864 }
 865
 866 /**
 867  * \brief Display today's events.
 868  */
 869 void calendar_summary_view(void) {
 870         int i;
 871         icalproperty *p;
 872         struct icaltimetype t;
 873         time_t event_tt;
 874         struct tm event_tm;
 875         struct tm today_tm;
 876         time_t now;
 877         int all_day_event = 0;
 878         char timestring[SIZ];
 879
 880         if (WC->num_cal == 0) {
 881                 return;
 882         }
 883
 884         now = time(NULL);
 885         localtime_r(&now, &today_tm);
 886
 887         for (i=0; i<(WC->num_cal); ++i) {
 888                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 889                                                 ICAL_DTSTART_PROPERTY);
 890                 if (p != NULL) {
 891                         t = icalproperty_get_dtstart(p);
 892                         event_tt = icaltime_as_timet(t);
 893                         if (t.is_date) {
 894                                 all_day_event = 1;
 895                         }
 896                         else {
 897                                 all_day_event = 0;
 898                         }
 899                         fmt_time(timestring, event_tt);
 900
 901                         if (all_day_event) {
 902                                 gmtime_r(&event_tt, &event_tm);
 903                         }
 904                         else {
 905                                 localtime_r(&event_tt, &event_tm);
 906                         }
 907
 908                         if ( (event_tm.tm_year == today_tm.tm_year)
 909                            && (event_tm.tm_mon == today_tm.tm_mon)
 910                            && (event_tm.tm_mday == today_tm.tm_mday)
 911                            ) {
 912
 913
 914                                 p = icalcomponent_get_first_property(
 915                                                         WC->disp_cal[i].cal,
 916                                                         ICAL_SUMMARY_PROPERTY);
 917                                 if (p != NULL) {
 918                                         escputs((char *)
 919                                                 icalproperty_get_comment(p));
 920                                         wprintf(" (%s)<br />\n", timestring);
 921                                 }
 922                         }
 923                 }
 924         }
 925         free_calendar_buffer();
 926 }
 927
 928
 929 /**
 930  * \brief clean up ical memory
 931  * \todo this could get troubel with future ical versions
 932  */
 933 void free_calendar_buffer(void) {
 934         int i;
 935         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 936                 icalcomponent_free(WC->disp_cal[i].cal);
 937         }
 938         WC->num_cal = 0;
 939         free(WC->disp_cal);
 940         WC->disp_cal = NULL;
 941 }
 942
 943
 944
 945 /**
 946  * \brief do the whole calendar page
 947  * view any part of the calender. decide which way, etc.
 948  */
 949 void do_calendar_view(void) {
 950         time_t now;
 951         struct tm tm;
 952         int year, month, day;
 953         char calview[SIZ];
 954
 955         /** In case no date was specified, go with today */
 956         now = time(NULL);
 957         localtime_r(&now, &tm);
 958         year = tm.tm_year + 1900;
 959         month = tm.tm_mon + 1;
 960         day = tm.tm_mday;
 961
 962         /** Now see if a date was specified */
 963         if (!IsEmptyStr(bstr("year"))) year = atoi(bstr("year"));
 964         if (!IsEmptyStr(bstr("month"))) month = atoi(bstr("month"));
 965         if (!IsEmptyStr(bstr("day"))) day = atoi(bstr("day"));
 966
 967         /** How would you like that cooked? */
 968         if (!IsEmptyStr(bstr("calview"))) {
 969                 strcpy(calview, bstr("calview"));
 970         }
 971         else {
 972                 strcpy(calview, "month");
 973         }
 974
 975         /** Display the selected view */
 976         if (!strcasecmp(calview, "day")) {
 977                 calendar_day_view(year, month, day);
 978         }
 979         else if (!strcasecmp(calview, "week")) {
 980                 calendar_week_view(year, month, day);
 981         }
 982         else {
 983                 if (WC->wc_view == VIEW_CALBRIEF) {
 984                         calendar_brief_month_view(year, month, day);
 985                 }
 986                 else {
 987                         calendar_month_view(year, month, day);
 988                 }
 989         }
 990
 991         /** Free the calendar stuff */
 992         free_calendar_buffer();
 993
 994 }
 995
 996
 997 /**
 998  * \brief get task due date
 999  * Helper function for do_tasks_view().
1000  * \param vtodo a task to get the due date
1001  * \return the date/time due.
1002  */
1003 time_t get_task_due_date(icalcomponent *vtodo) {
1004         icalproperty *p;
1005
1006         if (vtodo == NULL) {
1007                 return(0L);
1008         }
1009
1010         /**
1011          * If we're looking at a fully encapsulated VCALENDAR
1012          * rather than a VTODO component, recurse into the data
1013          * structure until we get a VTODO.
1014          */
1015         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
1016                 return get_task_due_date(
1017                         icalcomponent_get_first_component(
1018                                 vtodo, ICAL_VTODO_COMPONENT
1019                         )
1020                 );
1021         }
1022
1023         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
1024         if (p != NULL) {
1025                 return(icaltime_as_timet(icalproperty_get_due(p)));
1026         }
1027         else {
1028                 return(0L);
1029         }
1030 }
1031
1032
1033 /**
1034  * \brief Compare the due dates of two tasks (this is for sorting)
1035  * \param task1 first task to compare
1036  * \param task2 second task to compare
1037  */
1038 int task_due_cmp(const void *task1, const void *task2) {
1039         time_t t1;
1040         time_t t2;
1041
1042         t1 =  get_task_due_date(((struct disp_cal *)task1)->cal);
1043         t2 =  get_task_due_date(((struct disp_cal *)task2)->cal);
1044
1045         if (t1 < t2) return(-1);
1046         if (t1 > t2) return(1);
1047         return(0);
1048 }
1049
1050
1051
1052
1053 /**
1054  * \brief do the whole task view stuff
1055  */
1056 void do_tasks_view(void) {
1057         int i;
1058         time_t due;
1059         int bg = 0;
1060         char buf[SIZ];
1061         icalproperty *p;
1062
1063         wprintf("<div class=\"fix_scrollbar_bug\">"
1064                 "<table class=\"calendar_view_background\">\n<tr>\n"
1065                 "<th>");
1066         wprintf(_("Name of task"));
1067         wprintf("</th><th>");
1068         wprintf(_("Date due"));
1069         wprintf("</th></tr>\n"
1070         );
1071
1072         /** Sort them if necessary */
1073         if (WC->num_cal > 1) {
1074                 qsort(WC->disp_cal,
1075                         WC->num_cal,
1076                         sizeof(struct disp_cal),
1077                         task_due_cmp
1078                 );
1079         }
1080
1081         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
1082
1083                 bg = 1 - bg;
1084                 wprintf("<tr bgcolor=\"#%s\"><td>",
1085                         (bg ? "DDDDDD" : "FFFFFF")
1086                 );
1087
1088                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
1089                                                         ICAL_SUMMARY_PROPERTY);
1090                 wprintf("<a href=\"display_edit_task?msgnum=%ld&taskrm=",
1091                         WC->disp_cal[i].cal_msgnum );
1092                 urlescputs(WC->wc_roomname);
1093                 wprintf("\">");
1094                 wprintf("<img align=middle "
1095                         "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;");
1096                 if (p != NULL) {
1097                         escputs((char *)icalproperty_get_comment(p));
1098                 }
1099                 wprintf("</a>\n");
1100                 wprintf("</td>\n");
1101
1102                 due = get_task_due_date(WC->disp_cal[i].cal);
1103                 fmt_date(buf, due, 0);
1104                 wprintf("<td><font");
1105                 if (due < time(NULL)) {
1106                         wprintf(" color=\"#FF0000\"");
1107                 }
1108                 wprintf(">%s</font></td></tr>\n", buf);
1109         }
1110
1111         wprintf("</table></div>\n");
1112
1113         /** Free the list */
1114         free_calendar_buffer();
1115
1116 }
1117
1118 #endif  /* WEBCIT_WITH_CALENDAR_SERVICE */
1119
1120 /** @} */