webcit/calendar_view.c

   1 /*
   2  * $Id$
   3  *
   4  * Handles the HTML display of calendar items.
   5  */
   6
   7 #include "webcit.h"
   8 #include "webserver.h"
   9
  10
  11 void embeddable_mini_calendar(int year, int month, char *urlformat)
  12 {
  13         struct tm starting_tm;
  14         struct tm tm;
  15         time_t thetime;
  16         int i, len;
  17         time_t previous_month;
  18         time_t next_month;
  19         time_t colheader_time;
  20         struct tm colheader_tm;
  21         char colheader_label[32];
  22         long weekstart = 0;
  23         char url[256];
  24         char div_id[256];
  25         char escaped_urlformat[256];
  26
  27         snprintf(div_id, sizeof div_id, "mini_calendar_%d", rand() );
  28
  29         /* Determine what day to start.  If an impossible value is found, start on Sunday.
  30         */
  31         get_pref_long("weekstart", &weekstart, 17);
  32         if (weekstart > 6) weekstart = 0;
  33
  34         /*
  35         * Now back up to the 1st of the month...
  36         */
  37         memset(&starting_tm, 0, sizeof(struct tm));
  38
  39         starting_tm.tm_year = year - 1900;
  40         starting_tm.tm_mon = month - 1;
  41         starting_tm.tm_mday = 1;
  42         thetime = mktime(&starting_tm);
  43
  44         memcpy(&tm, &starting_tm, sizeof(struct tm));
  45         while (tm.tm_mday != 1) {
  46                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
  47                 localtime_r(&thetime, &tm);
  48         }
  49
  50         /** Determine previous and next months ... for links */
  51         previous_month = thetime - (time_t)864000L;     /* back 10 days */
  52         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
  53
  54         /** Now back up until we're on the user's preferred start day */
  55         localtime_r(&thetime, &tm);
  56         while (tm.tm_wday != weekstart) {
  57                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
  58                 localtime_r(&thetime, &tm);
  59         }
  60
  61         wprintf("<div class=\"mini_calendar\" id=\"%s\">\n", div_id);
  62
  63         /* Previous month link */
  64         localtime_r(&previous_month, &tm);
  65         wprintf("<a href=\"javascript:minical_change_month(%d,%d);\">&laquo;</a>",
  66                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
  67
  68         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
  69         wprintf("&nbsp;&nbsp;"
  70                 "<span class=\"mini_calendar_month_label\">"
  71                 "%s %d"
  72                 "</span>"
  73                 "&nbsp;&nbsp;", colheader_label, year);
  74
  75         /* Next month link */
  76         localtime_r(&next_month, &tm);
  77         wprintf("<a href=\"javascript:minical_change_month(%d,%d);\">&raquo;</a>",
  78                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
  79
  80         wprintf("<table border=0 cellpadding=1 cellspacing=1 class=\"mini_calendar_days\">"
  81                 "<tr>");
  82         colheader_time = thetime;
  83         for (i=0; i<7; ++i) {
  84                 colheader_time = thetime + (i * 86400) ;
  85                 localtime_r(&colheader_time, &colheader_tm);
  86                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
  87                 wprintf("<th>%c</th>", colheader_label[0]);
  88
  89         }
  90         wprintf("</tr>\n");
  91
  92
  93         /** Now do 35 or 42 days */
  94         for (i = 0; i < 42; ++i) {
  95                 localtime_r(&thetime, &tm);
  96
  97                 if (i < 35) {
  98
  99                         /** Before displaying Sunday, start a new row */
 100                         if ((i % 7) == 0) {
 101                                 wprintf("<tr>");
 102                         }
 103
 104                         if (tm.tm_mon == month-1) {
 105                                 snprintf(url, sizeof url, urlformat,
 106                                         tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday);
 107                                 wprintf("<td><a href=\"%s\">%d</a></td>", url, tm.tm_mday);
 108                         }
 109                         else {
 110                                 wprintf("<td> </td>");
 111                         }
 112
 113                         /** After displaying one week, end the row */
 114                         if ((i % 7) == 6) {
 115                                 wprintf("</tr>\n");
 116                         }
 117
 118                 }
 119
 120                 thetime += (time_t)86400;               /** ahead 24 hours */
 121         }
 122
 123         wprintf("</table>"                      /** end of inner table */
 124                 "</div>\n");
 125
 126         /* javascript for previous and next month */
 127         len = strlen(urlformat);
 128         for (i=0; i<len; ++i) {
 129                 sprintf(&escaped_urlformat[i*2], "%02X", urlformat[i]);
 130         }
 131
 132         wprintf("<script type=\"text/javascript\">                                                      "
 133                 "       function minical_change_month(year, month) {                                    "
 134                 "               p = 'year=' + year + '?month=' + month                                  "
 135                 "                       + '&urlformat=%s&r=' + CtdlRandomString();                      "
 136                 "               new Ajax.Updater('%s', 'mini_calendar',                                 "
 137                 "                       { method: 'get', parameters: p, evalScripts: true } );          "
 138                 "       }                                                                               "
 139                 "</script>\n"
 140                 ,
 141                 escaped_urlformat, div_id
 142                 );
 143
 144 }
 145
 146 /**
 147  * \brief  ajax embedder for the above mini calendar
 148  */
 149 void ajax_mini_calendar(void) {
 150         char urlformat[256];
 151         int i, len;
 152         char *escaped_urlformat;
 153
 154         escaped_urlformat = bstr("urlformat");
 155         len = strlen(escaped_urlformat) * 2 ;
 156         for (i=0; i<len; ++i) {
 157                 urlformat[i] = xtoi(&escaped_urlformat[i*2], 2);
 158                 urlformat[i+1] = 0;
 159         }
 160
 161         embeddable_mini_calendar( ibstr("year"), ibstr("month"), urlformat );
 162 }
 163
 164
 165 /**
 166  * \brief Display one day of a whole month view of a calendar
 167  * \param thetime the month we want to see
 168  */
 169 void calendar_month_view_display_events(int year, int month, int day)
 170 {
 171         long hklen;
 172         const char *HashKey;
 173         void *vCal;
 174         HashPos *Pos;
 175         disp_cal *Cal;
 176         icalproperty *p = NULL;
 177         icalproperty *q = NULL;
 178         struct icaltimetype t;
 179         struct icaltimetype end_t;
 180         struct icaltimetype today_start_t;
 181         struct icaltimetype today_end_t;
 182         struct tm starting_tm;
 183         struct tm ending_tm;
 184         int all_day_event = 0;
 185         int show_event = 0;
 186         char buf[256];
 187         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 188         time_t tt;
 189
 190         if (GetCount(WCC->disp_cal_items) == 0) {
 191                 wprintf("<br /><br /><br />\n");
 192                 return;
 193         }
 194
 195         /**
 196          * Create an imaginary event which spans the 24 hours of today.  Any events which
 197          * overlap with this one take place at least partially in this day.  We have to
 198          * convert it from a struct tm in order to make it UTC.
 199          */
 200         memset(&starting_tm, 0, sizeof(struct tm));
 201         starting_tm.tm_year = year - 1900;
 202         starting_tm.tm_mon = month - 1;
 203         starting_tm.tm_mday = day;
 204         starting_tm.tm_hour = 0;
 205         starting_tm.tm_min = 0;
 206         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 207         today_start_t.is_utc = 1;
 208
 209         memset(&ending_tm, 0, sizeof(struct tm));
 210         ending_tm.tm_year = year - 1900;
 211         ending_tm.tm_mon = month - 1;
 212         ending_tm.tm_mday = day;
 213         ending_tm.tm_hour = 23;
 214         ending_tm.tm_min = 59;
 215         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 216         today_end_t.is_utc = 1;
 217
 218         /**
 219          * Now loop through our list of events to see which ones occur today.
 220          */
 221         Pos = GetNewHashPos();
 222         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 223                 Cal = (disp_cal*)vCal;
 224                 all_day_event = 0;
 225                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 226                 if (q != NULL) {
 227                         t = icalproperty_get_dtstart(q);
 228                 }
 229                 else {
 230                         memset(&t, 0, sizeof t);
 231                 }
 232                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 233                 if (q != NULL) {
 234                         end_t = icalproperty_get_dtend(q);
 235                 }
 236                 else {
 237                         memset(&end_t, 0, sizeof end_t);
 238                 }
 239                 if (t.is_date) all_day_event = 1;
 240
 241                 if (all_day_event)
 242                 {
 243                         show_event = ((t.year == year) && (t.month == month) && (t.day == day));
 244                 }
 245                 else
 246                 {
 247                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 248                 }
 249
 250                 /**
 251                  * If we determined that this event occurs today, then display it.
 252                  */
 253                 if (show_event) {
 254                         p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
 255                         if (p != NULL) {
 256
 257                                 if (all_day_event) {
 258                                         wprintf("<table border=0 cellpadding=2><TR>"
 259                                                 "<td bgcolor=\"#CCCCDD\">"
 260                                                 );
 261                                 }
 262
 263                                 wprintf("<font size=\"-1\">"
 264                                         "<a class=\"event%s\" href=\"display_edit_event?"
 265                                         "msgnum=%ld?calview=month?year=%d?month=%d?day=%d\""
 266                                         " btt_tooltext=\"",
 267                                         (Cal->unread)?"_unread":"_read",
 268                                         Cal->cal_msgnum,
 269                                         year, month, day
 270                                         );
 271
 272                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
 273                                 wprintf("<i>%s</i> ",          _("Summary:"));
 274                                 escputs((char *)icalproperty_get_comment(p));
 275                                 wprintf("<br />");
 276
 277                                 q = icalcomponent_get_first_property(
 278                                         Cal->cal,
 279                                         ICAL_LOCATION_PROPERTY);
 280                                 if (q) {
 281                                         wprintf("<i>%s</i> ", _("Location:"));
 282                                         escputs((char *)icalproperty_get_comment(q));
 283                                         wprintf("<br />");
 284                                 }
 285
 286                                 /**
 287                                  * Only show start/end times if we're actually looking at the VEVENT
 288                                  * component.  Otherwise it shows bogus dates for e.g. timezones
 289                                  */
 290                                 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
 291
 292                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 293                                         if (q != NULL) {
 294                                                 t = icalproperty_get_dtstart(q);
 295
 296                                                 if (t.is_date) {
 297                                                         struct tm d_tm;
 298                                                         char d_str[32];
 299                                                         memset(&d_tm, 0, sizeof d_tm);
 300                                                         d_tm.tm_year = t.year - 1900;
 301                                                         d_tm.tm_mon = t.month - 1;
 302                                                         d_tm.tm_mday = t.day;
 303                                                         wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 304                                                         wprintf("<i>%s</i> %s<br>",
 305                                                                 _("Date:"), d_str);
 306                                                 }
 307                                                 else {
 308                                                         tt = icaltime_as_timet(t);
 309                                                         webcit_fmt_date(buf, tt, 1);
 310                                                         wprintf("<i>%s</i> %s<br>",
 311                                                                 _("Starting date/time:"), buf);
 312
 313                                                         /**
 314                                                          * Embed the 'show end date/time' loop inside here so it
 315                                                          * only executes if this is NOT an all day event.
 316                                                          */
 317                                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 318                                                         if (q != NULL) {
 319                                                                 t = icalproperty_get_dtend(q);
 320                                                                 tt = icaltime_as_timet(t);
 321                                                                 webcit_fmt_date(buf, tt, 1);
 322                                                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 323                                                         }
 324
 325                                                 }
 326                                         }
 327
 328                                 }
 329
 330                                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DESCRIPTION_PROPERTY);
 331                                 if (q) {
 332                                         wprintf("<i>%s</i> ", _("Notes:"));
 333                                         escputs((char *)icalproperty_get_comment(q));
 334                                         wprintf("<br />");
 335                                 }
 336
 337                                 wprintf("\">");
 338                                 escputs((char *)
 339                                         icalproperty_get_comment(p));
 340                                 wprintf("</a></font><br />\n");
 341
 342                                 if (all_day_event) {
 343                                         wprintf("</td></tr></table>");
 344                                 }
 345
 346                         }
 347
 348                 }
 349
 350
 351         }
 352         DeleteHashPos(&Pos);
 353 }
 354
 355
 356 /**
 357  * \brief Display one day of a whole month view of a calendar
 358  * \param thetime the month we want to see
 359  */
 360 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 361         long hklen;
 362         const char *HashKey;
 363         void *vCal;
 364         HashPos *Pos;
 365         time_t event_tt;
 366         time_t event_tts;
 367         time_t event_tte;
 368         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 369         struct tm event_tms;
 370         struct tm event_tme;
 371         struct tm today_tm;
 372         icalproperty *p;
 373         icalproperty *e;
 374         struct icaltimetype t;
 375         disp_cal *Cal;
 376         int month, day, year;
 377         int all_day_event = 0;
 378         char *timeformat;
 379         int time_format;
 380
 381         time_format = get_time_format_cached ();
 382
 383         if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
 384         else timeformat="%I:%M %p";
 385
 386         localtime_r(&thetime, &today_tm);
 387         month = today_tm.tm_mon + 1;
 388         day = today_tm.tm_mday;
 389         year = today_tm.tm_year + 1900;
 390
 391         Pos = GetNewHashPos();
 392         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 393                 Cal = (disp_cal*)vCal;
 394                 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 395                 if (p != NULL) {
 396                         t = icalproperty_get_dtstart(p);
 397                         event_tt = icaltime_as_timet(t);
 398                         event_tts=event_tt;
 399                         if (t.is_date) all_day_event = 1;
 400                         else all_day_event = 0;
 401
 402                         if (all_day_event) {
 403                                 gmtime_r(&event_tts, &event_tms);
 404                         }
 405                         else {
 406                                 localtime_r(&event_tts, &event_tms);
 407                         }
 408                         /* \todo epoch &! daymask */
 409                         if ((event_tms.tm_year == today_tm.tm_year)
 410                                 && (event_tms.tm_mon == today_tm.tm_mon)
 411                         && (event_tms.tm_mday == today_tm.tm_mday)) {
 412
 413
 414                         char sbuf[255];
 415                         char ebuf[255];
 416
 417                         p = icalcomponent_get_first_property(
 418                                 Cal->cal,
 419                                 ICAL_SUMMARY_PROPERTY);
 420                         e = icalcomponent_get_first_property(
 421                                 Cal->cal,
 422                                 ICAL_DTEND_PROPERTY);
 423                         if ((p != NULL) && (e != NULL)) {
 424                                 time_t difftime;
 425                                 int hours, minutes;
 426                                 t = icalproperty_get_dtend(e);
 427                                 event_tte = icaltime_as_timet(t);
 428                                 localtime_r(&event_tte, &event_tme);
 429                                 difftime=(event_tte-event_tts)/60;
 430                                 hours=(int)(difftime / 60);
 431                                 minutes=difftime % 60;
 432                                 wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 433                                         "<font size=\"-1\">"
 434                                         "<a class=\"event%s\" href=\"display_edit_event?msgnum=%ld?calview=calbrief?year=%s?month=%s?day=%s\">",
 435                                         daycolor,
 436                                         hours, minutes,
 437                                         (Cal->unread)?"_unread":"_read",
 438                                         daycolor,
 439                                         Cal->cal_msgnum,
 440                                         bstr("year"),
 441                                         bstr("month"),
 442                                         bstr("day")
 443                                         );
 444
 445                                 escputs((char *)
 446                                         icalproperty_get_comment(p));
 447                                 /* \todo: allso ammitime format */
 448                                 wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 449                                 wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 450
 451                                 wprintf("</a></font></td>"
 452                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 453                                         daycolor,
 454                                         sbuf,
 455                                         daycolor,
 456                                         ebuf);
 457                                 }
 458
 459                         }
 460
 461
 462                 }
 463         }
 464         DeleteHashPos(&Pos);
 465 }
 466
 467
 468 /*
 469  * view one month. pretty view
 470  */
 471 void calendar_month_view(int year, int month, int day) {
 472         struct tm starting_tm;
 473         struct tm tm;
 474         time_t thetime;
 475         int i;
 476         time_t previous_month;
 477         time_t next_month;
 478         time_t colheader_time;
 479         struct tm colheader_tm;
 480         char colheader_label[32];
 481         int chg_month = 0;
 482         long weekstart = 0;
 483
 484         /*
 485          * Determine what day to start.  If an impossible value is found, start on Sunday.
 486          */
 487         get_pref_long("weekstart", &weekstart, 17);
 488         if (weekstart > 6) weekstart = 0;
 489
 490         /*
 491          * Now back up to the 1st of the month...
 492          */
 493         memset(&starting_tm, 0, sizeof(struct tm));
 494
 495         starting_tm.tm_year = year - 1900;
 496         starting_tm.tm_mon = month - 1;
 497         starting_tm.tm_mday = day;
 498         thetime = mktime(&starting_tm);
 499
 500         memcpy(&tm, &starting_tm, sizeof(struct tm));
 501         while (tm.tm_mday != 1) {
 502                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 503                 localtime_r(&thetime, &tm);
 504         }
 505
 506         /* Determine previous and next months ... for links */
 507         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 508         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 509
 510         /* Now back up until we're on the user's preferred start day */
 511         localtime_r(&thetime, &tm);
 512         while (tm.tm_wday != weekstart) {
 513                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 514                 localtime_r(&thetime, &tm);
 515         }
 516
 517         /* Outer table (to get the background color) */
 518         wprintf("<div class=\"fix_scrollbar_bug\">"
 519                 "<table class=\"calendar\"> \n <tr><td>");
 520
 521         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 522
 523         wprintf("<td align=center>");
 524
 525         localtime_r(&previous_month, &tm);
 526         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 527                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 528         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 529
 530         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 531         wprintf("&nbsp;&nbsp;"
 532                 "<font size=+1 color=\"#FFFFFF\">"
 533                 "%s %d"
 534                 "</font>"
 535                 "&nbsp;&nbsp;", colheader_label, year);
 536
 537         localtime_r(&next_month, &tm);
 538         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 539                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 540         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 541
 542         wprintf("</td></tr></table>\n");
 543
 544         /* Inner table (the real one) */
 545         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 546                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 547         colheader_time = thetime;
 548         for (i=0; i<7; ++i) {
 549                 colheader_time = thetime + (i * 86400) ;
 550                 localtime_r(&colheader_time, &colheader_tm);
 551                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 552                 wprintf("<th align=center width=14%%>"
 553                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 554
 555         }
 556         wprintf("</tr>\n");
 557
 558
 559         /* Now do 35 or 42 days */
 560         for (i = 0; i < 42; ++i) {
 561                 localtime_r(&thetime, &tm);
 562
 563                 if ((i < 35) || (chg_month == 0)) {
 564
 565                         if ((i > 27) && ((tm.tm_mday == 1) || (tm.tm_mday == 31))) {
 566                                 chg_month = 1;
 567                         }
 568                         if (i > 35) {
 569                                 chg_month = 0;
 570                         }
 571
 572                         /* Before displaying the first day of the week, start a new row */
 573                         if ((i % 7) == 0) {
 574                                 wprintf("<tr>");
 575                         }
 576
 577                         wprintf("<td class=\"cal%s\"><div class=\"day\">",
 578                                 ((tm.tm_mon != month-1) ? "out" :
 579                                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
 580                                                 "day"))
 581                                 );
 582                         if ((i==0) || (tm.tm_mday == 1)) {
 583                                 wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 584                                 wprintf("%s ", colheader_label);
 585                         }
 586                         wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">"
 587                                 "%d</a></div>",
 588                                 tm.tm_year + 1900,
 589                                 tm.tm_mon + 1,
 590                                 tm.tm_mday,
 591                                 tm.tm_mday);
 592
 593                         /** put the data here, stupid */
 594                         calendar_month_view_display_events(
 595                                 tm.tm_year + 1900,
 596                                 tm.tm_mon + 1,
 597                                 tm.tm_mday
 598                                 );
 599
 600                         wprintf("</td>");
 601
 602                         /* After displaying the last day of the week, end the row */
 603                         if ((i % 7) == 6) {
 604                                 wprintf("</tr>\n");
 605                         }
 606
 607                 }
 608
 609                 thetime += (time_t)86400;               /* ahead 24 hours */
 610         }
 611
 612         wprintf("</table>"                      /* end of inner table */
 613                 "</td></tr></table>"            /* end of outer table */
 614                 "</div>\n");
 615
 616         /*
 617          * Initialize the bubble tooltips.
 618          *
 619          * Yes, this is as stupid as it looks.  Instead of just making the call
 620          * to btt_enableTooltips() straight away, we have to create a timer event
 621          * and let it initialize as an event after 1 millisecond.  This is to
 622          * work around a bug in Internet Explorer that causes it to crash if we
 623          * manipulate the innerHTML of various DOM nodes while the page is still
 624          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 625          * for more information.
 626          */
 627         wprintf("<script type=\"text/javascript\">"
 628                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); "
 629                 "</script>\n"
 630         );
 631 }
 632
 633 /*
 634  * view one month. brief view
 635  */
 636 void calendar_brief_month_view(int year, int month, int day) {
 637         struct tm starting_tm;
 638         struct tm tm;
 639         time_t thetime;
 640         int i;
 641         time_t previous_month;
 642         time_t next_month;
 643         char month_label[32];
 644
 645         /* Determine what day to start.
 646          * First, back up to the 1st of the month...
 647          */
 648         memset(&starting_tm, 0, sizeof(struct tm));
 649         starting_tm.tm_year = year - 1900;
 650         starting_tm.tm_mon = month - 1;
 651         starting_tm.tm_mday = day;
 652         thetime = mktime(&starting_tm);
 653
 654         memcpy(&tm, &starting_tm, sizeof(struct tm));
 655         while (tm.tm_mday != 1) {
 656                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 657                 localtime_r(&thetime, &tm);
 658         }
 659
 660         /* Determine previous and next months ... for links */
 661         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 662         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 663
 664         /* Now back up until we're on a Sunday */
 665         localtime_r(&thetime, &tm);
 666         while (tm.tm_wday != 0) {
 667                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 668                 localtime_r(&thetime, &tm);
 669         }
 670
 671         /* Outer table (to get the background color) */
 672         wprintf("<div class=\"fix_scrollbar_bug\">"
 673                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 674                 "bgcolor=#204B78><TR><TD>\n");
 675
 676         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 677
 678         wprintf("<td align=center>");
 679
 680         localtime_r(&previous_month, &tm);
 681         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 682                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 683         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 684
 685         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 686         wprintf("&nbsp;&nbsp;"
 687                 "<font size=+1 color=\"#FFFFFF\">"
 688                 "%s %d"
 689                 "</font>"
 690                 "&nbsp;&nbsp;", month_label, year);
 691
 692         localtime_r(&next_month, &tm);
 693         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 694                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 695         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 696
 697         wprintf("</td></tr></table>\n");
 698
 699         /* Inner table (the real one) */
 700         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 701                 "bgcolor=#EEEECC><TR>");
 702         wprintf("</tr>\n");
 703         wprintf("<tr><td colspan=\"100%%\">\n");
 704
 705         /* Now do 35 days */
 706         for (i = 0; i < 35; ++i) {
 707                 char weeknumber[255];
 708                 char weekday_name[32];
 709                 char *daycolor;
 710                 localtime_r(&thetime, &tm);
 711
 712
 713                 /* Before displaying Sunday, start a new CELL */
 714                 if ((i % 7) == 0) {
 715                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 716                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%%'> <tr><th colspan='4'>%s %s</th></tr>"
 717                                 "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 718                                 _("Week"),
 719                                 weeknumber,
 720                                 _("Hours"),
 721                                 _("Subject"),
 722                                 _("Start"),
 723                                 _("End")
 724                                 );
 725                 }
 726
 727                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 728                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 729                                 "FFFFFF"));
 730
 731                 /* Day Header */
 732                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 733                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 734                         "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 735                         daycolor,
 736                         weekday_name,tm.tm_mday,
 737                         daycolor);
 738
 739                 /* put the data of one day  here, stupid */
 740                 calendar_month_view_brief_events(thetime, daycolor);
 741
 742
 743                 /* After displaying Saturday, end the row */
 744                 if ((i % 7) == 6) {
 745                         wprintf("</td></tr></table>\n");
 746                 }
 747
 748                 thetime += (time_t)86400;               /** ahead 24 hours */
 749         }
 750
 751         wprintf("</table>"                      /** end of inner table */
 752                 "</td></tr></table>"            /** end of outer table */
 753                 "</div>\n");
 754 }
 755
 756 /*
 757  * Calendar week view -- not implemented yet, this is a stub function
 758  */
 759 void calendar_week_view(int year, int month, int day) {
 760         wprintf("<center><i>week view FIXME</i></center><br />\n");
 761 }
 762
 763
 764 /*
 765  * display one day
 766  * Display events for a particular hour of a particular day.
 767  * (Specify hour < 0 to show "all day" events)
 768  *
 769  * dstart and dend indicate which hours our "daytime" begins and end
 770  */
 771 void calendar_day_view_display_events(time_t thetime,
 772         int year,
 773         int month,
 774         int day,
 775         int notime_events,
 776         int dstart,
 777         int dend)
 778 {
 779         long hklen;
 780         const char *HashKey;
 781         void *vCal;
 782         HashPos *Pos;
 783         icalproperty *p = NULL;
 784         icalproperty *q = NULL;
 785         time_t event_tt;
 786         time_t event_tte;
 787         struct tm event_te;
 788         struct tm event_tm;
 789         int show_event = 0;
 790         int all_day_event = 0;
 791         int ongoing_event = 0;
 792         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 793         disp_cal *Cal;
 794         struct icaltimetype t;
 795         struct icaltimetype end_t;
 796         struct icaltimetype today_start_t;
 797         struct icaltimetype today_end_t;
 798         struct tm starting_tm;
 799         struct tm ending_tm;
 800         int top = 0;
 801         int bottom = 0;
 802         int gap = 1;
 803         int startmin = 0;
 804         int diffmin = 0;
 805         int endmin = 0;
 806
 807         char buf[256];
 808         struct tm d_tm;
 809         char d_str[32];
 810
 811         if (GetCount(WCC->disp_cal_items) == 0) {
 812                 /* nothing to display */
 813                 return;
 814         }
 815
 816         /* Create an imaginary event which spans the current day.  Any events which
 817          * overlap with this one take place at least partially in this day.
 818          */
 819         memset(&starting_tm, 0, sizeof(struct tm));
 820         starting_tm.tm_year = year - 1900;
 821         starting_tm.tm_mon = month - 1;
 822         starting_tm.tm_mday = day;
 823         starting_tm.tm_hour = 0;
 824         starting_tm.tm_min = 0;
 825         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 826         today_start_t.is_utc = 1;
 827
 828         memset(&ending_tm, 0, sizeof(struct tm));
 829         ending_tm.tm_year = year - 1900;
 830         ending_tm.tm_mon = month - 1;
 831         ending_tm.tm_mday = day;
 832         ending_tm.tm_hour = 23;
 833         ending_tm.tm_min = 59;
 834         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 835         today_end_t.is_utc = 1;
 836
 837         /* Now loop through our list of events to see which ones occur today.
 838          */
 839         Pos = GetNewHashPos();
 840         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 841                 Cal = (disp_cal*)vCal;
 842
 843                 all_day_event = 0;
 844                 ongoing_event=0;
 845
 846                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 847                 if (q != NULL) {
 848                         t = icalproperty_get_dtstart(q);
 849                         event_tt = icaltime_as_timet(t);
 850                         localtime_r(&event_tt, &event_te);
 851                 }
 852                 else {
 853                         memset(&t, 0, sizeof t);
 854                 }
 855                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 856                 if (q != NULL) {
 857                         end_t = icalproperty_get_dtend(q);
 858                         event_tte = icaltime_as_timet(end_t);
 859                         localtime_r(&event_tte, &event_tm);
 860                 }
 861                 else {
 862                         memset(&end_t, 0, sizeof end_t);
 863                 }
 864                 if (t.is_date) all_day_event = 1;
 865
 866                 if (all_day_event)
 867                 {
 868                         show_event = ((t.year == year) && (t.month == month) && (t.day == day) && (notime_events));
 869                 }
 870                 else
 871                 {
 872                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 873                 }
 874
 875                 /* If we determined that this event occurs today, then display it.
 876                  */
 877                 p = icalcomponent_get_first_property(Cal->cal,ICAL_SUMMARY_PROPERTY);
 878
 879                 if ((show_event) && (p != NULL)) {
 880
 881                         if ((event_te.tm_mday != day) || (event_tm.tm_mday != day)) ongoing_event = 1;
 882
 883                         if (all_day_event && notime_events)
 884                         {
 885                                 wprintf("<li class=\"event_framed%s\"> "
 886                                         "<a href=\"display_edit_event?"
 887                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d\" "
 888                                         " class=\"event_title\" "
 889                                         " btt_tooltext=\"",
 890                                         (Cal->unread)?"_unread":"_read",
 891                                         Cal->cal_msgnum, year, month, day);
 892                                 wprintf("<i>%s</i><br />",      _("All day event"));
 893                                 wprintf("<i>%s: %s</i><br />",  _("From"), Cal->from);
 894                                 wprintf("<i>%s</i> ",           _("Summary:"));
 895                                 escputs((char *) icalproperty_get_comment(p));
 896                                 wprintf("<br />");
 897                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 898                                 if (q) {
 899                                         wprintf("<i>%s</i> ", _("Location:"));
 900                                         escputs((char *)icalproperty_get_comment(q));
 901                                         wprintf("<br />");
 902                                                                 }
 903                                 memset(&d_tm, 0, sizeof d_tm);
 904                                 d_tm.tm_year = t.year - 1900;
 905                                 d_tm.tm_mon = t.month - 1;
 906                                 d_tm.tm_mday = t.day;
 907                                 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 908                                 wprintf("<i>%s</i> %s<br>",_("Date:"), d_str);
 909                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
 910                                 if (q) {
 911                                         wprintf("<i>%s</i> ", _("Notes:"));
 912                                         escputs((char *)icalproperty_get_comment(q));
 913                                         wprintf("<br />");
 914                                 }
 915                                 wprintf("\">");
 916                                 escputs((char *) icalproperty_get_comment(p));
 917                                 wprintf("</a> <span>(");
 918                                 wprintf(_("All day event"));
 919                                 wprintf(")</span></li>\n");
 920                         }
 921                         else if (ongoing_event && notime_events)
 922                         {
 923                                 wprintf("<li class=\"event_framed%s\"> "
 924                                         "<a href=\"display_edit_event?"
 925                                         "msgnum=%ld&calview=day?year=%d?month=%d?day=%d\" "
 926                                         " class=\"event_title\" "
 927                                         "btt_tooltext=\"",
 928                                         (Cal->unread)?"_unread":"_read",
 929                                         Cal->cal_msgnum, year, month, day);
 930                                 wprintf("<i>%s</i><br />",     _("Ongoing event"));
 931                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
 932                                 wprintf("<i>%s</i> ",          _("Summary:"));
 933                                 escputs((char *) icalproperty_get_comment(p));
 934                                 wprintf("<br />");
 935                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 936                                 if (q) {
 937                                         wprintf("<i>%s</i> ", _("Location:"));
 938                                         escputs((char *)icalproperty_get_comment(q));
 939                                         wprintf("<br />");
 940                                                                 }
 941                                 webcit_fmt_date(buf, event_tt, 1);
 942                                 wprintf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
 943                                 webcit_fmt_date(buf, event_tte, 1);
 944                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 945                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
 946                                 if (q) {
 947                                         wprintf("<i>%s</i> ", _("Notes:"));
 948                                         escputs((char *)icalproperty_get_comment(q));
 949                                         wprintf("<br />");
 950                                 }
 951                                 wprintf("\">");
 952                                 escputs((char *) icalproperty_get_comment(p));
 953                                 wprintf("</a> <span>(");
 954                                 wprintf(_("Ongoing event"));
 955                                 wprintf(")</span></li>\n");
 956                         }
 957                         else if (!all_day_event && !notime_events)
 958                         {
 959                                 gap++;
 960
 961                                 if (event_te.tm_mday != day) event_te.tm_hour = 0;
 962                                 if (event_tm.tm_mday != day) event_tm.tm_hour = 24;
 963
 964                                 /* Calculate the location of the top of the box */
 965                                 if (event_te.tm_hour < dstart) {
 966                                         startmin = diffmin = event_te.tm_min / 6;
 967                                         top = (event_te.tm_hour * 10) + startmin;
 968                                 }
 969                                 else if ((event_te.tm_hour >= dstart) && (event_te.tm_hour <= dend)) {
 970                                         startmin = diffmin = (event_te.tm_min / 2);
 971                                         top = (dstart * 10) + ((event_te.tm_hour - dstart) * 30) + startmin;
 972                                 }
 973                                 else if (event_te.tm_hour >dend) {
 974                                         startmin = diffmin = event_te.tm_min / 6;
 975                                         top = (dstart * 10) + ((dend - dstart - 1) * 30) + ((event_tm.tm_hour - dend + 1) * 10) + startmin ;
 976                                 }
 977                                 else {
 978                                         /* should never get here */
 979                                 }
 980
 981                                 /* Calculate the location of the bottom of the box */
 982                                 if (event_tm.tm_hour < dstart) {
 983                                         endmin = diffmin = event_tm.tm_min / 6;
 984                                         bottom = (event_tm.tm_hour * 10) + endmin;
 985                                 }
 986                                 else if ((event_tm.tm_hour >= dstart) && (event_tm.tm_hour <= dend)) {
 987                                         endmin = diffmin = (event_tm.tm_min / 2);
 988                                         bottom = (dstart * 10) + ((event_tm.tm_hour - dstart) * 30) + endmin ;
 989                                 }
 990                                 else if (event_tm.tm_hour >dend) {
 991                                         endmin = diffmin = event_tm.tm_min / 6;
 992                                         bottom = (dstart * 10) + ((dend - dstart + 1) * 30) + ((event_tm.tm_hour - dend - 1) * 10) + endmin;
 993                                 }
 994                                 else {
 995                                         /* should never get here */
 996                                 }
 997
 998                                 wprintf("<dd  class=\"event_framed%s\" "
 999                                         "style=\"position: absolute; "
1000                                         "top:%dpx; left:%dpx; "
1001                                         "height:%dpx; \" >",
1002                                         (Cal->unread)?"_unread":"_read",
1003                                         top, (gap * 40), (bottom-top)
1004                                         );
1005                                 wprintf("<a href=\"display_edit_event?"
1006                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d?hour=%d\" "
1007                                         "class=\"event_title\" "
1008                                         "btt_tooltext=\"",
1009                                         Cal->cal_msgnum, year, month, day, t.hour);
1010                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
1011                                 wprintf("<i>%s</i> ",          _("Summary:"));
1012                                 escputs((char *) icalproperty_get_comment(p));
1013                                 wprintf("<br />");
1014                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1015                                 if (q) {
1016                                         wprintf("<i>%s</i> ", _("Location:"));
1017                                         escputs((char *)icalproperty_get_comment(q));
1018                                         wprintf("<br />");
1019                                                                 }
1020                                 webcit_fmt_date(buf, event_tt, 1);
1021                                 wprintf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1022                                 webcit_fmt_date(buf, event_tte, 1);
1023                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1024                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1025                                 if (q) {
1026                                         wprintf("<i>%s</i> ", _("Notes:"));
1027                                         escputs((char *)icalproperty_get_comment(q));
1028                                         wprintf("<br />");
1029                                 }
1030                                 wprintf("\">");
1031
1032                                 escputs((char *) icalproperty_get_comment(p));
1033                                 wprintf("</a></dd>\n");
1034                         }
1035                 }
1036         }
1037         DeleteHashPos(&Pos);
1038 }
1039
1040 /*
1041  * view one day
1042  */
1043 void calendar_day_view(int year, int month, int day) {
1044         int hour;
1045         struct icaltimetype today, yesterday, tomorrow;
1046         long daystart;
1047         long dayend;
1048         struct tm d_tm;
1049         char d_str[128];
1050         int time_format;
1051         time_t today_t;
1052         int timeline = 30;
1053         int extratimeline = 0;
1054         int gap = 0;
1055
1056         time_format = get_time_format_cached ();
1057         get_pref_long("daystart", &daystart, 8);
1058         get_pref_long("dayend", &dayend, 17);
1059
1060         /* when loading daystart/dayend, replace missing, corrupt, or impossible values with defaults */
1061         if ((daystart < 0) || (dayend < 2) || (daystart >= 23) || (dayend > 23) || (dayend <= daystart)) {
1062                 daystart = 9;
1063                 dayend = 17;
1064         }
1065
1066         /* Today's date */
1067         memset(&d_tm, 0, sizeof d_tm);
1068         d_tm.tm_year = year - 1900;
1069         d_tm.tm_mon = month - 1;
1070         d_tm.tm_mday = day;
1071         today_t = mktime(&d_tm);
1072
1073         /* Figure out the dates for "yesterday" and "tomorrow" links */
1074
1075         memset(&today, 0, sizeof(struct icaltimetype));
1076         today.year = year;
1077         today.month = month;
1078         today.day = day;
1079         today.is_date = 1;
1080
1081         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
1082         --yesterday.day;
1083         yesterday = icaltime_normalize(yesterday);
1084
1085         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
1086         ++tomorrow.day;
1087         tomorrow = icaltime_normalize(tomorrow);
1088
1089         wprintf("<div class=\"fix_scrollbar_bug\">");
1090
1091         /* Inner table (the real one) */
1092         wprintf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
1093
1094         /* Innermost cell (contains hours etc.) */
1095         wprintf("<td class=\"events_of_the_day\" >");
1096         wprintf("<dl class=\"events\" >");
1097
1098         /* Now the middle of the day... */
1099
1100         extratimeline = timeline / 3;
1101
1102         for (hour = 0; hour < daystart; ++hour) {       /* could do HEIGHT=xx */
1103                 wprintf("<dt class=\"extrahour\"        "
1104                         "style=\"               "
1105                         "position: absolute;    "
1106                         "top: %dpx; left: 0px;  "
1107                         "height: %dpx;          "
1108                         "\" >                   "
1109                         "<a href=\"display_edit_event?msgnum=0"
1110                         "?calview=day?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1111                         (hour * extratimeline ), extratimeline,
1112                         year, month, day, hour
1113                         );
1114
1115                 if (time_format == WC_TIMEFORMAT_24) {
1116                         wprintf("%2d:00</a> ", hour);
1117                 }
1118                 else {
1119                         wprintf("%d:00%s</a> ",
1120                                 (hour <= 12 ? hour : hour-12),
1121                                 (hour < 12 ? "am" : "pm")
1122                                 );
1123                 }
1124
1125                 wprintf("</dt>");
1126         }
1127
1128         gap = daystart * extratimeline;
1129
1130         for (hour = daystart; hour <= dayend; ++hour) {       /* could do HEIGHT=xx */
1131                 wprintf("<dt class=\"hour\"     "
1132                         "style=\"               "
1133                         "position: absolute;    "
1134                         "top: %ldpx; left: 0px;  "
1135                         "height: %dpx;          "
1136                         "\" >                   "
1137                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1138                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1139                         gap + ((hour - daystart) * timeline ), timeline,
1140                         year, month, day, hour
1141                         );
1142
1143                 if (time_format == WC_TIMEFORMAT_24) {
1144                         wprintf("%2d:00</a> ", hour);
1145                 }
1146                 else {
1147                         wprintf("%d:00%s</a> ",
1148                                 (hour <= 12 ? hour : hour-12),
1149                                 (hour < 12 ? "am" : "pm")
1150                                                 );
1151                 }
1152
1153                 wprintf("</dt>");
1154         }
1155
1156         gap = gap + ((dayend - daystart + 1) * timeline);
1157
1158         for (hour = (dayend + 1); hour < 24; ++hour) {       /* could do HEIGHT=xx */
1159                 wprintf("<dt class=\"extrahour\"     "
1160                         "style=\"               "
1161                         "position: absolute;    "
1162                         "top: %ldpx; left: 0px; "
1163                         "height: %dpx;          "
1164                         "\" >                   "
1165                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1166                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1167                         gap + ((hour - dayend - 1) * extratimeline ), extratimeline,
1168                         year, month, day, hour
1169                 );
1170
1171                 if (time_format == WC_TIMEFORMAT_24) {
1172                         wprintf("%2d:00</a> ", hour);
1173                 }
1174                 else {
1175                         wprintf("%d:00%s</a> ",
1176                                 (hour <= 12 ? hour : hour-12),
1177                                 (hour < 12 ? "am" : "pm")
1178                         );
1179                 }
1180
1181                 wprintf("</dt>");
1182         }
1183
1184         /* Display events with start and end times on this day */
1185         calendar_day_view_display_events(today_t, year, month, day, 0, daystart, dayend);
1186
1187         wprintf("</dl>");
1188         wprintf("</td>");                       /* end of innermost table */
1189
1190         /* Display extra events (start/end times not present or not today) in the middle column */
1191         wprintf("<td class=\"extra_events\">");
1192
1193         wprintf("<ul>");
1194
1195         /* Display all-day events */
1196         calendar_day_view_display_events(today_t, year, month, day, 1, daystart, dayend);
1197
1198         wprintf("</ul>");
1199
1200         wprintf("</td>");       /** end extra on the middle */
1201
1202         wprintf("<td width=20%% align=center valign=top>");     /** begin stuff-on-the-right */
1203
1204         /* Begin todays-date-with-left-and-right-arrows */
1205         wprintf("<table border=0 width=100%% "
1206                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
1207         wprintf("<tr>");
1208
1209         /* Left arrow */
1210         wprintf("<td align=center>");
1211         wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1212                 yesterday.year, yesterday.month, yesterday.day);
1213         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
1214         wprintf("</td>");
1215
1216         wc_strftime(d_str, sizeof d_str,
1217                 "<td align=center>"
1218                 "<font size=+2>%B</font><br />"
1219                 "<font size=+3>%d</font><br />"
1220                 "<font size=+2>%Y</font><br />"
1221                 "</td>",
1222                 &d_tm
1223                 );
1224         wprintf("%s", d_str);
1225
1226         /* Right arrow */
1227         wprintf("<td align=center>");
1228         wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1229                 tomorrow.year, tomorrow.month, tomorrow.day);
1230         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
1231                 " border=0></a>\n");
1232         wprintf("</td>");
1233
1234         wprintf("</tr></table>\n");
1235         /* End todays-date-with-left-and-right-arrows */
1236
1237         /* Embed a mini month calendar in this space */
1238         wprintf("<br />\n");
1239         embeddable_mini_calendar(year, month, "readfwd?calview=day?year=%d?month=%d?day=%d");
1240
1241         wprintf("</font></center>\n");
1242
1243         wprintf("</td></tr>");                  /** end stuff-on-the-right */
1244
1245         wprintf("</table>"                      /** end of inner table */
1246                 "</div>");
1247
1248         wprintf("<script type=\"text/javascript\">"
1249                 " setTimeout(\"btt_enableTooltips('inner_day')\", 1); "
1250                 "</script>\n"
1251         );
1252 }
1253
1254
1255 /*
1256  * Display today's events.
1257  */
1258 void calendar_summary_view(void) {
1259         long hklen;
1260         const char *HashKey;
1261         void *vCal;
1262         HashPos *Pos;
1263         disp_cal *Cal;
1264         icalproperty *p;
1265         struct icaltimetype t;
1266         time_t event_tt;
1267         struct tm event_tm;
1268         struct tm today_tm;
1269         time_t now;
1270         int all_day_event = 0;
1271         char timestring[SIZ];
1272         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
1273
1274         if (GetCount(WC->disp_cal_items) == 0) {
1275                 return;
1276         }
1277
1278         now = time(NULL);
1279         localtime_r(&now, &today_tm);
1280
1281         Pos = GetNewHashPos();
1282         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1283                 Cal = (disp_cal*)vCal;
1284                 p = icalcomponent_get_first_property(Cal->cal,
1285                                                 ICAL_DTSTART_PROPERTY);
1286                 if (p != NULL) {
1287                         t = icalproperty_get_dtstart(p);
1288                         event_tt = icaltime_as_timet(t);
1289                         if (t.is_date) {
1290                                 all_day_event = 1;
1291                         }
1292                         else {
1293                                 all_day_event = 0;
1294                         }
1295                         fmt_time(timestring, event_tt);
1296
1297                         if (all_day_event) {
1298                                 gmtime_r(&event_tt, &event_tm);
1299                         }
1300                         else {
1301                                 localtime_r(&event_tt, &event_tm);
1302                         }
1303
1304                         if ( (event_tm.tm_year == today_tm.tm_year)
1305                                 && (event_tm.tm_mon == today_tm.tm_mon)
1306                         && (event_tm.tm_mday == today_tm.tm_mday)
1307                         ) {
1308
1309
1310                         p = icalcomponent_get_first_property(
1311                                 Cal->cal,
1312                                 ICAL_SUMMARY_PROPERTY);
1313                         if (p != NULL) {
1314                                 escputs((char *)
1315                                         icalproperty_get_comment(p));
1316                                 wprintf(" (%s)<br />\n", timestring);
1317                         }
1318                         }
1319                 }
1320         }
1321         DeleteHashPos(&Pos);
1322         DeleteHash(&WC->disp_cal_items);
1323 }
1324
1325
1326 /*
1327  * do the whole calendar page
1328  * view any part of the calender. decide which way, etc.
1329  */
1330 void do_calendar_view(void) {
1331         time_t now;
1332         struct tm tm;
1333         int year, month, day;
1334         char calview[SIZ];
1335
1336         /* In case no date was specified, go with today */
1337         now = time(NULL);
1338         localtime_r(&now, &tm);
1339         year = tm.tm_year + 1900;
1340         month = tm.tm_mon + 1;
1341         day = tm.tm_mday;
1342
1343         /* Now see if a date was specified */
1344         if (havebstr("year")) year = ibstr("year");
1345         if (havebstr("month")) month = ibstr("month");
1346         if (havebstr("day")) day = ibstr("day");
1347
1348         /* How would you like that cooked? */
1349         if (havebstr("calview")) {
1350                 strcpy(calview, bstr("calview"));
1351         }
1352         else {
1353                 strcpy(calview, "month");
1354         }
1355
1356         /* Display the selected view */
1357         if (!strcasecmp(calview, "day")) {
1358                 calendar_day_view(year, month, day);
1359         }
1360         else if (!strcasecmp(calview, "week")) {
1361                 calendar_week_view(year, month, day);
1362         }
1363         else {
1364                 if (WC->wc_view == VIEW_CALBRIEF) {
1365                         calendar_brief_month_view(year, month, day);
1366                 }
1367                 else {
1368                         calendar_month_view(year, month, day);
1369                 }
1370         }
1371
1372         /* Free the in-memory list of calendar items */
1373         DeleteHash(&WC->disp_cal_items);
1374 }
1375
1376
1377 /*
1378  * Helper function for do_tasks_view().  Returns the due date/time of a vtodo.
1379  */
1380 time_t get_task_due_date(icalcomponent *vtodo) {
1381         icalproperty *p;
1382
1383         if (vtodo == NULL) {
1384                 return(0L);
1385         }
1386
1387         /*
1388          * If we're looking at a fully encapsulated VCALENDAR
1389          * rather than a VTODO component, recurse into the data
1390          * structure until we get a VTODO.
1391          */
1392         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
1393                 return get_task_due_date(
1394                         icalcomponent_get_first_component(
1395                                 vtodo, ICAL_VTODO_COMPONENT
1396                                 )
1397                         );
1398         }
1399
1400         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
1401         if (p != NULL) {
1402                 return(icaltime_as_timet(icalproperty_get_due(p)));
1403         }
1404         else {
1405                 return(0L);
1406         }
1407 }
1408
1409
1410 /*
1411  * Compare the due dates of two tasks (this is for sorting)
1412  */
1413 int task_due_cmp(const void *vtask1, const void *vtask2) {
1414         disp_cal * Task1 = (disp_cal *)GetSearchPayload(vtask1);
1415         disp_cal * Task2 = (disp_cal *)GetSearchPayload(vtask2);
1416
1417         time_t t1;
1418         time_t t2;
1419
1420         t1 =  get_task_due_date(Task1->cal);
1421         t2 =  get_task_due_date(Task2->cal);
1422         if (t1 < t2) return(-1);
1423         if (t1 > t2) return(1);
1424         return(0);
1425 }
1426
1427 /*
1428  * qsort filter to move completed tasks to bottom of task list
1429  */
1430 int task_completed_cmp(const void *vtask1, const void *vtask2) {
1431         disp_cal * Task1 = (disp_cal *)GetSearchPayload(vtask1);
1432 //      disp_cal * Task2 = (disp_cal *)GetSearchPayload(vtask2);
1433
1434         icalproperty_status t1 = icalcomponent_get_status((Task1)->cal);
1435         // icalproperty_status t2 = icalcomponent_get_status(((struct disp_cal *)task2)->cal);
1436
1437         if (t1 == ICAL_STATUS_COMPLETED)
1438                 return 1;
1439         return 0;
1440 }
1441
1442
1443
1444 /*
1445  * do the whole task view stuff
1446  */
1447 void do_tasks_view(void) {
1448         long hklen;
1449         const char *HashKey;
1450         void *vCal;
1451         disp_cal *Cal;
1452         HashPos *Pos;
1453         int nItems;
1454         time_t due;
1455         char buf[SIZ];
1456         icalproperty *p;
1457         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
1458
1459         wprintf("<div class=\"fix_scrollbar_bug\">"
1460                 "<table class=\"calendar_view_background\"><tbody id=\"taskview\">\n<tr>\n"
1461                 "<th>");
1462         wprintf(_("Completed?"));
1463         wprintf("</th><th>");
1464         wprintf(_("Name of task"));
1465         wprintf("</th><th>");
1466         wprintf(_("Date due"));
1467         wprintf("</th><th>");
1468         wprintf(_("Category"));
1469         wprintf(" (<select id=\"selectcategory\"><option value=\"showall\">%s</option></select>)</th></tr>\n",
1470                 _("Show All"));
1471
1472         nItems = GetCount(WC->disp_cal_items);
1473
1474         /* Sort them if necessary
1475         if (nItems > 1) {
1476                 SortByPayload(WC->disp_cal_items, task_due_cmp);
1477         }
1478         * this shouldn't be neccessary, since we sort by the start time.
1479         */
1480
1481         /* And then again, by completed */
1482         if (nItems > 1) {
1483                 SortByPayload(WC->disp_cal_items,
1484                               task_completed_cmp);
1485         }
1486
1487         Pos = GetNewHashPos();
1488         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1489                 Cal = (disp_cal*)vCal;
1490                 wprintf("<tr><td>");
1491                 icalproperty_status todoStatus = icalcomponent_get_status(Cal->cal);
1492                 wprintf("<input type=\"checkbox\" name=\"completed\" value=\"completed\" ");
1493                 if (todoStatus == ICAL_STATUS_COMPLETED) {
1494                         wprintf("checked=\"checked\" ");
1495                 }
1496                 wprintf("disabled=\"disabled\">\n</td><td>");
1497                 p = icalcomponent_get_first_property(Cal->cal,
1498                         ICAL_SUMMARY_PROPERTY);
1499                 wprintf("<a href=\"display_edit_task?msgnum=%ld&amp;taskrm=",
1500                         Cal->cal_msgnum );
1501                 urlescputs(WC->wc_roomname);
1502                 wprintf("\">");
1503                 /* wprintf("<img align=middle "
1504                 "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;"); */
1505                 if (p != NULL) {
1506                         escputs((char *)icalproperty_get_comment(p));
1507                 }
1508                 wprintf("</a>\n");
1509                 wprintf("</td>\n");
1510
1511                 due = get_task_due_date(Cal->cal);
1512                 wprintf("<td><span");
1513                 if (due > 0) {
1514                         webcit_fmt_date(buf, due, 0);
1515                         wprintf(">%s",buf);
1516                 }
1517                 else {
1518                         wprintf(">");
1519                 }
1520                 wprintf("</span></td>");
1521                 wprintf("<td>");
1522                 p = icalcomponent_get_first_property(Cal->cal,
1523                         ICAL_CATEGORIES_PROPERTY);
1524                 if (p != NULL) {
1525                         escputs((char *)icalproperty_get_categories(p));
1526                 }
1527                 wprintf("</td>");
1528                 wprintf("</tr>");
1529         }
1530
1531         wprintf("</tbody></table></div>\n");
1532
1533         /* Free the list */
1534         DeleteHash(&WC->disp_cal_items);
1535         DeleteHashPos(&Pos);
1536 }
1537