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         StrBufAppendPrintf(WC->trailing_javascript,
 133                 "       function minical_change_month(year, month) {                                    \n"
 134                 "               p = 'year=' + year + '&month=' + month                                  \n"
 135                 "                       + '&urlformat=%s&r=' + CtdlRandomString();                      \n"
 136                 "               new Ajax.Updater('%s', 'mini_calendar',                                 \n"
 137                 "                       { method: 'get', parameters: p, evalScripts: true } );          \n"
 138                 "       }                                                                               \n"
 139                 "",
 140                 escaped_urlformat, div_id
 141         );
 142
 143 }
 144
 145 /*
 146  * ajax embedder for the above mini calendar
 147  */
 148 void ajax_mini_calendar(void) {
 149         char urlformat[256];
 150         int i, len;
 151         char *escaped_urlformat;
 152
 153         escaped_urlformat = bstr("urlformat");
 154         len = strlen(escaped_urlformat) * 2 ;
 155         for (i=0; i<len; ++i) {
 156                 urlformat[i] = xtoi(&escaped_urlformat[i*2], 2);
 157                 urlformat[i+1] = 0;
 158         }
 159
 160         embeddable_mini_calendar( ibstr("year"), ibstr("month"), urlformat );
 161 }
 162
 163
 164 /*
 165  * Display one day of a whole month view of a calendar
 166  */
 167 void calendar_month_view_display_events(int year, int month, int day)
 168 {
 169         long hklen;
 170         const char *HashKey;
 171         void *vCal;
 172         HashPos *Pos;
 173         disp_cal *Cal;
 174         icalproperty *p = NULL;
 175         icalproperty *q = NULL;
 176         struct icaltimetype t;
 177         struct icaltimetype end_t;
 178         struct icaltimetype today_start_t;
 179         struct icaltimetype today_end_t;
 180         struct tm starting_tm;
 181         struct tm ending_tm;
 182         int all_day_event = 0;
 183         int show_event = 0;
 184         char buf[256];
 185         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 186         time_t tt;
 187
 188         if (GetCount(WCC->disp_cal_items) == 0) {
 189                 wprintf("<br /><br /><br />\n");
 190                 return;
 191         }
 192
 193         /*
 194          * Create an imaginary event which spans the 24 hours of today.  Any events which
 195          * overlap with this one take place at least partially in this day.  We have to
 196          * convert it from a struct tm in order to make it UTC.
 197          */
 198         memset(&starting_tm, 0, sizeof(struct tm));
 199         starting_tm.tm_year = year - 1900;
 200         starting_tm.tm_mon = month - 1;
 201         starting_tm.tm_mday = day;
 202         starting_tm.tm_hour = 0;
 203         starting_tm.tm_min = 0;
 204         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 205         today_start_t.is_utc = 1;
 206
 207         memset(&ending_tm, 0, sizeof(struct tm));
 208         ending_tm.tm_year = year - 1900;
 209         ending_tm.tm_mon = month - 1;
 210         ending_tm.tm_mday = day;
 211         ending_tm.tm_hour = 23;
 212         ending_tm.tm_min = 59;
 213         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 214         today_end_t.is_utc = 1;
 215
 216         /*
 217          * Now loop through our list of events to see which ones occur today.
 218          */
 219         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 220         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 221                 Cal = (disp_cal*)vCal;
 222                 all_day_event = 0;
 223                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 224                 if (q != NULL) {
 225                         t = icalproperty_get_dtstart(q);
 226                 }
 227                 else {
 228                         memset(&t, 0, sizeof t);
 229                 }
 230                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 231                 if (q != NULL) {
 232                         end_t = icalproperty_get_dtend(q);
 233                 }
 234                 else {
 235                         memset(&end_t, 0, sizeof end_t);
 236                 }
 237                 if (t.is_date) all_day_event = 1;
 238
 239                 if (all_day_event)
 240                 {
 241                         show_event = ((t.year == year) && (t.month == month) && (t.day == day));
 242                 }
 243                 else
 244                 {
 245                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 246                 }
 247
 248                 /*
 249                  * If we determined that this event occurs today, then display it.
 250                  */
 251                 if (show_event) {
 252                         p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
 253                         if (p != NULL) {
 254
 255                                 if (all_day_event) {
 256                                         wprintf("<table border=0 cellpadding=2><TR>"
 257                                                 "<td bgcolor=\"#CCCCDD\">"
 258                                                 );
 259                                 }
 260
 261                                 wprintf("<font size=\"-1\">"
 262                                         "<a class=\"event%s\" href=\"display_edit_event?"
 263                                         "msgnum=%ld?calview=month?year=%d?month=%d?day=%d\""
 264                                         " btt_tooltext=\"",
 265                                         (Cal->unread)?"_unread":"_read",
 266                                         Cal->cal_msgnum,
 267                                         year, month, day
 268                                         );
 269
 270                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
 271                                 wprintf("<i>%s</i> ",          _("Summary:"));
 272                                 escputs((char *)icalproperty_get_comment(p));
 273                                 wprintf("<br />");
 274
 275                                 q = icalcomponent_get_first_property(
 276                                         Cal->cal,
 277                                         ICAL_LOCATION_PROPERTY);
 278                                 if (q) {
 279                                         wprintf("<i>%s</i> ", _("Location:"));
 280                                         escputs((char *)icalproperty_get_comment(q));
 281                                         wprintf("<br />");
 282                                 }
 283
 284                                 /*
 285                                  * Only show start/end times if we're actually looking at the VEVENT
 286                                  * component.  Otherwise it shows bogus dates for e.g. timezones
 287                                  */
 288                                 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
 289
 290                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 291                                         if (q != NULL) {
 292                                                 t = icalproperty_get_dtstart(q);
 293
 294                                                 if (t.is_date) {
 295                                                         struct tm d_tm;
 296                                                         char d_str[32];
 297                                                         memset(&d_tm, 0, sizeof d_tm);
 298                                                         d_tm.tm_year = t.year - 1900;
 299                                                         d_tm.tm_mon = t.month - 1;
 300                                                         d_tm.tm_mday = t.day;
 301                                                         wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 302                                                         wprintf("<i>%s</i> %s<br>",
 303                                                                 _("Date:"), d_str);
 304                                                 }
 305                                                 else {
 306                                                         tt = icaltime_as_timet(t);
 307                                                         webcit_fmt_date(buf, tt, 1);
 308                                                         wprintf("<i>%s</i> %s<br>",
 309                                                                 _("Starting date/time:"), buf);
 310
 311                                                         /*
 312                                                          * Embed the 'show end date/time' loop inside here so it
 313                                                          * only executes if this is NOT an all day event.
 314                                                          */
 315                                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 316                                                         if (q != NULL) {
 317                                                                 t = icalproperty_get_dtend(q);
 318                                                                 tt = icaltime_as_timet(t);
 319                                                                 webcit_fmt_date(buf, tt, 1);
 320                                                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 321                                                         }
 322
 323                                                 }
 324                                         }
 325
 326                                 }
 327
 328                                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DESCRIPTION_PROPERTY);
 329                                 if (q) {
 330                                         wprintf("<i>%s</i> ", _("Notes:"));
 331                                         escputs((char *)icalproperty_get_comment(q));
 332                                         wprintf("<br />");
 333                                 }
 334
 335                                 wprintf("\">");
 336                                 escputs((char *)
 337                                         icalproperty_get_comment(p));
 338                                 wprintf("</a></font><br />\n");
 339
 340                                 if (all_day_event) {
 341                                         wprintf("</td></tr></table>");
 342                                 }
 343
 344                         }
 345
 346                 }
 347
 348
 349         }
 350         DeleteHashPos(&Pos);
 351 }
 352
 353
 354 /*
 355  * Display one day of a whole month view of a calendar
 356  */
 357 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 358         long hklen;
 359         const char *HashKey;
 360         void *vCal;
 361         HashPos *Pos;
 362         time_t event_tt;
 363         time_t event_tts;
 364         time_t event_tte;
 365         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 366         struct tm event_tms;
 367         struct tm event_tme;
 368         struct tm today_tm;
 369         icalproperty *p;
 370         icalproperty *e;
 371         struct icaltimetype t;
 372         disp_cal *Cal;
 373         int month, day, year;
 374         int all_day_event = 0;
 375         char *timeformat;
 376         int time_format;
 377
 378         time_format = get_time_format_cached ();
 379
 380         if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
 381         else timeformat="%I:%M %p";
 382
 383         localtime_r(&thetime, &today_tm);
 384         month = today_tm.tm_mon + 1;
 385         day = today_tm.tm_mday;
 386         year = today_tm.tm_year + 1900;
 387
 388         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 389         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 390                 Cal = (disp_cal*)vCal;
 391                 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 392                 if (p != NULL) {
 393                         t = icalproperty_get_dtstart(p);
 394                         event_tt = icaltime_as_timet(t);
 395                         event_tts=event_tt;
 396                         if (t.is_date) all_day_event = 1;
 397                         else all_day_event = 0;
 398
 399                         if (all_day_event) {
 400                                 gmtime_r(&event_tts, &event_tms);
 401                         }
 402                         else {
 403                                 localtime_r(&event_tts, &event_tms);
 404                         }
 405                         /* \todo epoch &! daymask */
 406                         if ((event_tms.tm_year == today_tm.tm_year)
 407                                 && (event_tms.tm_mon == today_tm.tm_mon)
 408                         && (event_tms.tm_mday == today_tm.tm_mday)) {
 409
 410
 411                         char sbuf[255];
 412                         char ebuf[255];
 413
 414                         p = icalcomponent_get_first_property(
 415                                 Cal->cal,
 416                                 ICAL_SUMMARY_PROPERTY);
 417                         e = icalcomponent_get_first_property(
 418                                 Cal->cal,
 419                                 ICAL_DTEND_PROPERTY);
 420                         if ((p != NULL) && (e != NULL)) {
 421                                 time_t difftime;
 422                                 int hours, minutes;
 423                                 t = icalproperty_get_dtend(e);
 424                                 event_tte = icaltime_as_timet(t);
 425                                 localtime_r(&event_tte, &event_tme);
 426                                 difftime=(event_tte-event_tts)/60;
 427                                 hours=(int)(difftime / 60);
 428                                 minutes=difftime % 60;
 429                                 wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 430                                         "<font size=\"-1\">"
 431                                         "<a class=\"event%s\" href=\"display_edit_event?msgnum=%ld?calview=calbrief?year=%s?month=%s?day=%s\">",
 432                                         daycolor,
 433                                         hours, minutes,
 434                                         (Cal->unread)?"_unread":"_read",
 435                                         daycolor,
 436                                         Cal->cal_msgnum,
 437                                         bstr("year"),
 438                                         bstr("month"),
 439                                         bstr("day")
 440                                         );
 441
 442                                 escputs((char *)
 443                                         icalproperty_get_comment(p));
 444                                 /* \todo: allso ammitime format */
 445                                 wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 446                                 wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 447
 448                                 wprintf("</a></font></td>"
 449                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 450                                         daycolor,
 451                                         sbuf,
 452                                         daycolor,
 453                                         ebuf);
 454                                 }
 455
 456                         }
 457
 458
 459                 }
 460         }
 461         DeleteHashPos(&Pos);
 462 }
 463
 464
 465 /*
 466  * view one month. pretty view
 467  */
 468 void calendar_month_view(int year, int month, int day) {
 469         struct tm starting_tm;
 470         struct tm tm;
 471         time_t thetime;
 472         int i;
 473         time_t previous_month;
 474         time_t next_month;
 475         time_t colheader_time;
 476         struct tm colheader_tm;
 477         char colheader_label[32];
 478         long weekstart = 0;
 479
 480         /*
 481          * Determine what day to start.  If an impossible value is found, start on Sunday.
 482          */
 483         get_pref_long("weekstart", &weekstart, 17);
 484         if (weekstart > 6) weekstart = 0;
 485
 486         /*
 487          * Now back up to the 1st of the month...
 488          */
 489         memset(&starting_tm, 0, sizeof(struct tm));
 490
 491         starting_tm.tm_year = year - 1900;
 492         starting_tm.tm_mon = month - 1;
 493         starting_tm.tm_mday = day;
 494         thetime = mktime(&starting_tm);
 495
 496         memcpy(&tm, &starting_tm, sizeof(struct tm));
 497         while (tm.tm_mday != 1) {
 498                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 499                 localtime_r(&thetime, &tm);
 500         }
 501
 502         /* Determine previous and next months ... for links */
 503         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 504         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 505
 506         /* Now back up until we're on the user's preferred start day */
 507         localtime_r(&thetime, &tm);
 508         while (tm.tm_wday != weekstart) {
 509                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 510                 localtime_r(&thetime, &tm);
 511         }
 512
 513         /* Outer table (to get the background color) */
 514         wprintf("<div class=\"fix_scrollbar_bug\">"
 515                 "<table class=\"calendar\"> \n <tr><td>");
 516
 517         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 518
 519         wprintf("<td align=center>");
 520
 521         localtime_r(&previous_month, &tm);
 522         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 523                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 524         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 525
 526         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 527         wprintf("&nbsp;&nbsp;"
 528                 "<font size=+1 color=\"#FFFFFF\">"
 529                 "%s %d"
 530                 "</font>"
 531                 "&nbsp;&nbsp;", colheader_label, year);
 532
 533         localtime_r(&next_month, &tm);
 534         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 535                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 536         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 537
 538         wprintf("</td></tr></table>\n");
 539
 540         /* Inner table (the real one) */
 541         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 542                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 543         colheader_time = thetime;
 544         for (i=0; i<7; ++i) {
 545                 colheader_time = thetime + (i * 86400) ;
 546                 localtime_r(&colheader_time, &colheader_tm);
 547                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 548                 wprintf("<th align=center width=14%%>"
 549                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 550
 551         }
 552         wprintf("</tr>\n");
 553
 554
 555         /* Now do 35 or 42 days */
 556         localtime_r(&thetime, &tm);
 557         for (i = 0; i<42; ++i) {
 558
 559                 /* Before displaying the first day of the week, start a new row */
 560                 if ((i % 7) == 0) {
 561                         wprintf("<tr>");
 562                 }
 563
 564                 wprintf("<td class=\"cal%s\"><div class=\"day\">",
 565                         ((tm.tm_mon != month-1) ? "out" :
 566                                 ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
 567                                         "day"))
 568                         );
 569                 if ((i==0) || (tm.tm_mday == 1)) {
 570                         wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 571                         wprintf("%s ", colheader_label);
 572                 }
 573                 wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">"
 574                         "%d</a></div>",
 575                         tm.tm_year + 1900,
 576                         tm.tm_mon + 1,
 577                         tm.tm_mday,
 578                         tm.tm_mday);
 579
 580                 /* put the data here, stupid */
 581                 calendar_month_view_display_events(
 582                         tm.tm_year + 1900,
 583                         tm.tm_mon + 1,
 584                         tm.tm_mday
 585                         );
 586
 587                 wprintf("</td>");
 588
 589                 /* After displaying the last day of the week, end the row */
 590                 if ((i % 7) == 6) {
 591                         wprintf("</tr>\n");
 592                 }
 593
 594                 thetime += (time_t)86400;               /* ahead 24 hours */
 595                 localtime_r(&thetime, &tm);
 596
 597                 if ( ((i % 7) == 6) && (tm.tm_mon != month-1) && (tm.tm_mday < 15) ) {
 598                         i = 100;        /* break out of the loop */
 599                 }
 600         }
 601
 602         wprintf("</table>"                      /* end of inner table */
 603                 "</td></tr></table>"            /* end of outer table */
 604                 "</div>\n");
 605
 606         /*
 607          * Initialize the bubble tooltips.
 608          *
 609          * Yes, this is as stupid as it looks.  Instead of just making the call
 610          * to btt_enableTooltips() straight away, we have to create a timer event
 611          * and let it initialize as an event after 1 millisecond.  This is to
 612          * work around a bug in Internet Explorer that causes it to crash if we
 613          * manipulate the innerHTML of various DOM nodes while the page is still
 614          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 615          * for more information.
 616          */
 617         StrBufAppendPrintf(WC->trailing_javascript,
 618                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); \n"
 619         );
 620 }
 621
 622 /*
 623  * view one month. brief view
 624  */
 625 void calendar_brief_month_view(int year, int month, int day) {
 626         struct tm starting_tm;
 627         struct tm tm;
 628         time_t thetime;
 629         int i;
 630         time_t previous_month;
 631         time_t next_month;
 632         char month_label[32];
 633
 634         /* Determine what day to start.
 635          * First, back up to the 1st of the month...
 636          */
 637         memset(&starting_tm, 0, sizeof(struct tm));
 638         starting_tm.tm_year = year - 1900;
 639         starting_tm.tm_mon = month - 1;
 640         starting_tm.tm_mday = day;
 641         thetime = mktime(&starting_tm);
 642
 643         memcpy(&tm, &starting_tm, sizeof(struct tm));
 644         while (tm.tm_mday != 1) {
 645                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 646                 localtime_r(&thetime, &tm);
 647         }
 648
 649         /* Determine previous and next months ... for links */
 650         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 651         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 652
 653         /* Now back up until we're on a Sunday */
 654         localtime_r(&thetime, &tm);
 655         while (tm.tm_wday != 0) {
 656                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 657                 localtime_r(&thetime, &tm);
 658         }
 659
 660         /* Outer table (to get the background color) */
 661         wprintf("<div class=\"fix_scrollbar_bug\">"
 662                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 663                 "bgcolor=#204B78><TR><TD>\n");
 664
 665         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 666
 667         wprintf("<td align=center>");
 668
 669         localtime_r(&previous_month, &tm);
 670         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 671                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 672         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 673
 674         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 675         wprintf("&nbsp;&nbsp;"
 676                 "<font size=+1 color=\"#FFFFFF\">"
 677                 "%s %d"
 678                 "</font>"
 679                 "&nbsp;&nbsp;", month_label, year);
 680
 681         localtime_r(&next_month, &tm);
 682         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 683                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 684         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 685
 686         wprintf("</td></tr></table>\n");
 687
 688         /* Inner table (the real one) */
 689         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 690                 "bgcolor=#EEEECC><TR>");
 691         wprintf("</tr>\n");
 692         wprintf("<tr><td colspan=\"100%%\">\n");
 693
 694         /* Now do 35 days */
 695         for (i = 0; i < 35; ++i) {
 696                 char weeknumber[255];
 697                 char weekday_name[32];
 698                 char *daycolor;
 699                 localtime_r(&thetime, &tm);
 700
 701
 702                 /* Before displaying Sunday, start a new CELL */
 703                 if ((i % 7) == 0) {
 704                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 705                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%%'> <tr><th colspan='4'>%s %s</th></tr>"
 706                                 "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 707                                 _("Week"),
 708                                 weeknumber,
 709                                 _("Hours"),
 710                                 _("Subject"),
 711                                 _("Start"),
 712                                 _("End")
 713                                 );
 714                 }
 715
 716                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 717                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 718                                 "FFFFFF"));
 719
 720                 /* Day Header */
 721                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 722                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 723                         "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 724                         daycolor,
 725                         weekday_name,tm.tm_mday,
 726                         daycolor);
 727
 728                 /* put the data of one day  here, stupid */
 729                 calendar_month_view_brief_events(thetime, daycolor);
 730
 731
 732                 /* After displaying Saturday, end the row */
 733                 if ((i % 7) == 6) {
 734                         wprintf("</td></tr></table>\n");
 735                 }
 736
 737                 thetime += (time_t)86400;               /* ahead 24 hours */
 738         }
 739
 740         wprintf("</table>"                      /* end of inner table */
 741                 "</td></tr></table>"            /* end of outer table */
 742                 "</div>\n");
 743 }
 744
 745 /*
 746  * Calendar week view -- not implemented yet, this is a stub function
 747  */
 748 void calendar_week_view(int year, int month, int day) {
 749         wprintf("<center><i>week view FIXME</i></center><br />\n");
 750 }
 751
 752
 753 /*
 754  * display one day
 755  * Display events for a particular hour of a particular day.
 756  * (Specify hour < 0 to show "all day" events)
 757  *
 758  * dstart and dend indicate which hours our "daytime" begins and end
 759  */
 760 void calendar_day_view_display_events(time_t thetime,
 761         int year,
 762         int month,
 763         int day,
 764         int notime_events,
 765         int dstart,
 766         int dend)
 767 {
 768         long hklen;
 769         const char *HashKey;
 770         void *vCal;
 771         HashPos *Pos;
 772         icalproperty *p = NULL;
 773         icalproperty *q = NULL;
 774         time_t event_tt;
 775         time_t event_tte;
 776         struct tm event_te;
 777         struct tm event_tm;
 778         int show_event = 0;
 779         int all_day_event = 0;
 780         int ongoing_event = 0;
 781         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 782         disp_cal *Cal;
 783         struct icaltimetype t;
 784         struct icaltimetype end_t;
 785         struct icaltimetype today_start_t;
 786         struct icaltimetype today_end_t;
 787         struct tm starting_tm;
 788         struct tm ending_tm;
 789         int top = 0;
 790         int bottom = 0;
 791         int gap = 1;
 792         int startmin = 0;
 793         int diffmin = 0;
 794         int endmin = 0;
 795
 796         char buf[256];
 797         struct tm d_tm;
 798         char d_str[32];
 799
 800         if (GetCount(WCC->disp_cal_items) == 0) {
 801                 /* nothing to display */
 802                 return;
 803         }
 804
 805         /* Create an imaginary event which spans the current day.  Any events which
 806          * overlap with this one take place at least partially in this day.
 807          */
 808         memset(&starting_tm, 0, sizeof(struct tm));
 809         starting_tm.tm_year = year - 1900;
 810         starting_tm.tm_mon = month - 1;
 811         starting_tm.tm_mday = day;
 812         starting_tm.tm_hour = 0;
 813         starting_tm.tm_min = 0;
 814         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 815         today_start_t.is_utc = 1;
 816
 817         memset(&ending_tm, 0, sizeof(struct tm));
 818         ending_tm.tm_year = year - 1900;
 819         ending_tm.tm_mon = month - 1;
 820         ending_tm.tm_mday = day;
 821         ending_tm.tm_hour = 23;
 822         ending_tm.tm_min = 59;
 823         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 824         today_end_t.is_utc = 1;
 825
 826         /* Now loop through our list of events to see which ones occur today.
 827          */
 828         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 829         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 830                 Cal = (disp_cal*)vCal;
 831
 832                 all_day_event = 0;
 833                 ongoing_event=0;
 834
 835                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 836                 if (q != NULL) {
 837                         t = icalproperty_get_dtstart(q);
 838                         event_tt = icaltime_as_timet(t);
 839                         localtime_r(&event_tt, &event_te);
 840                 }
 841                 else {
 842                         memset(&t, 0, sizeof t);
 843                 }
 844                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 845                 if (q != NULL) {
 846                         end_t = icalproperty_get_dtend(q);
 847                         event_tte = icaltime_as_timet(end_t);
 848                         localtime_r(&event_tte, &event_tm);
 849                 }
 850                 else {
 851                         memset(&end_t, 0, sizeof end_t);
 852                 }
 853                 if (t.is_date) all_day_event = 1;
 854
 855                 if (all_day_event)
 856                 {
 857                         show_event = ((t.year == year) && (t.month == month) && (t.day == day) && (notime_events));
 858                 }
 859                 else
 860                 {
 861                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 862                 }
 863
 864                 /* If we determined that this event occurs today, then display it.
 865                  */
 866                 p = icalcomponent_get_first_property(Cal->cal,ICAL_SUMMARY_PROPERTY);
 867
 868                 if ((show_event) && (p != NULL)) {
 869
 870                         if ((event_te.tm_mday != day) || (event_tm.tm_mday != day)) ongoing_event = 1;
 871
 872                         if (all_day_event && notime_events)
 873                         {
 874                                 wprintf("<li class=\"event_framed%s\"> "
 875                                         "<a href=\"display_edit_event?"
 876                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d\" "
 877                                         " class=\"event_title\" "
 878                                         " btt_tooltext=\"",
 879                                         (Cal->unread)?"_unread":"_read",
 880                                         Cal->cal_msgnum, year, month, day);
 881                                 wprintf("<i>%s</i><br />",      _("All day event"));
 882                                 wprintf("<i>%s: %s</i><br />",  _("From"), Cal->from);
 883                                 wprintf("<i>%s</i> ",           _("Summary:"));
 884                                 escputs((char *) icalproperty_get_comment(p));
 885                                 wprintf("<br />");
 886                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 887                                 if (q) {
 888                                         wprintf("<i>%s</i> ", _("Location:"));
 889                                         escputs((char *)icalproperty_get_comment(q));
 890                                         wprintf("<br />");
 891                                                                 }
 892                                 memset(&d_tm, 0, sizeof d_tm);
 893                                 d_tm.tm_year = t.year - 1900;
 894                                 d_tm.tm_mon = t.month - 1;
 895                                 d_tm.tm_mday = t.day;
 896                                 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 897                                 wprintf("<i>%s</i> %s<br>",_("Date:"), d_str);
 898                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
 899                                 if (q) {
 900                                         wprintf("<i>%s</i> ", _("Notes:"));
 901                                         escputs((char *)icalproperty_get_comment(q));
 902                                         wprintf("<br />");
 903                                 }
 904                                 wprintf("\">");
 905                                 escputs((char *) icalproperty_get_comment(p));
 906                                 wprintf("</a> <span>(");
 907                                 wprintf(_("All day event"));
 908                                 wprintf(")</span></li>\n");
 909                         }
 910                         else if (ongoing_event && notime_events)
 911                         {
 912                                 wprintf("<li class=\"event_framed%s\"> "
 913                                         "<a href=\"display_edit_event?"
 914                                         "msgnum=%ld&calview=day?year=%d?month=%d?day=%d\" "
 915                                         " class=\"event_title\" "
 916                                         "btt_tooltext=\"",
 917                                         (Cal->unread)?"_unread":"_read",
 918                                         Cal->cal_msgnum, year, month, day);
 919                                 wprintf("<i>%s</i><br />",     _("Ongoing event"));
 920                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
 921                                 wprintf("<i>%s</i> ",          _("Summary:"));
 922                                 escputs((char *) icalproperty_get_comment(p));
 923                                 wprintf("<br />");
 924                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 925                                 if (q) {
 926                                         wprintf("<i>%s</i> ", _("Location:"));
 927                                         escputs((char *)icalproperty_get_comment(q));
 928                                         wprintf("<br />");
 929                                                                 }
 930                                 webcit_fmt_date(buf, event_tt, 1);
 931                                 wprintf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
 932                                 webcit_fmt_date(buf, event_tte, 1);
 933                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 934                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
 935                                 if (q) {
 936                                         wprintf("<i>%s</i> ", _("Notes:"));
 937                                         escputs((char *)icalproperty_get_comment(q));
 938                                         wprintf("<br />");
 939                                 }
 940                                 wprintf("\">");
 941                                 escputs((char *) icalproperty_get_comment(p));
 942                                 wprintf("</a> <span>(");
 943                                 wprintf(_("Ongoing event"));
 944                                 wprintf(")</span></li>\n");
 945                         }
 946                         else if (!all_day_event && !notime_events)
 947                         {
 948                                 gap++;
 949
 950                                 if (event_te.tm_mday != day) event_te.tm_hour = 0;
 951                                 if (event_tm.tm_mday != day) event_tm.tm_hour = 24;
 952
 953                                 /* Calculate the location of the top of the box */
 954                                 if (event_te.tm_hour < dstart) {
 955                                         startmin = diffmin = event_te.tm_min / 6;
 956                                         top = (event_te.tm_hour * 10) + startmin;
 957                                 }
 958                                 else if ((event_te.tm_hour >= dstart) && (event_te.tm_hour <= dend)) {
 959                                         startmin = diffmin = (event_te.tm_min / 2);
 960                                         top = (dstart * 10) + ((event_te.tm_hour - dstart) * 30) + startmin;
 961                                 }
 962                                 else if (event_te.tm_hour >dend) {
 963                                         startmin = diffmin = event_te.tm_min / 6;
 964                                         top = (dstart * 10) + ((dend - dstart - 1) * 30) + ((event_tm.tm_hour - dend + 1) * 10) + startmin ;
 965                                 }
 966                                 else {
 967                                         /* should never get here */
 968                                 }
 969
 970                                 /* Calculate the location of the bottom of the box */
 971                                 if (event_tm.tm_hour < dstart) {
 972                                         endmin = diffmin = event_tm.tm_min / 6;
 973                                         bottom = (event_tm.tm_hour * 10) + endmin;
 974                                 }
 975                                 else if ((event_tm.tm_hour >= dstart) && (event_tm.tm_hour <= dend)) {
 976                                         endmin = diffmin = (event_tm.tm_min / 2);
 977                                         bottom = (dstart * 10) + ((event_tm.tm_hour - dstart) * 30) + endmin ;
 978                                 }
 979                                 else if (event_tm.tm_hour >dend) {
 980                                         endmin = diffmin = event_tm.tm_min / 6;
 981                                         bottom = (dstart * 10) + ((dend - dstart + 1) * 30) + ((event_tm.tm_hour - dend - 1) * 10) + endmin;
 982                                 }
 983                                 else {
 984                                         /* should never get here */
 985                                 }
 986
 987                                 wprintf("<dd  class=\"event_framed%s\" "
 988                                         "style=\"position: absolute; "
 989                                         "top:%dpx; left:%dpx; "
 990                                         "height:%dpx; \" >",
 991                                         (Cal->unread)?"_unread":"_read",
 992                                         top, (gap * 40), (bottom-top)
 993                                         );
 994                                 wprintf("<a href=\"display_edit_event?"
 995                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d?hour=%d\" "
 996                                         "class=\"event_title\" "
 997                                         "btt_tooltext=\"",
 998                                         Cal->cal_msgnum, year, month, day, t.hour);
 999                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
1000                                 wprintf("<i>%s</i> ",          _("Summary:"));
1001                                 escputs((char *) icalproperty_get_comment(p));
1002                                 wprintf("<br />");
1003                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1004                                 if (q) {
1005                                         wprintf("<i>%s</i> ", _("Location:"));
1006                                         escputs((char *)icalproperty_get_comment(q));
1007                                         wprintf("<br />");
1008                                                                 }
1009                                 webcit_fmt_date(buf, event_tt, 1);
1010                                 wprintf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1011                                 webcit_fmt_date(buf, event_tte, 1);
1012                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1013                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1014                                 if (q) {
1015                                         wprintf("<i>%s</i> ", _("Notes:"));
1016                                         escputs((char *)icalproperty_get_comment(q));
1017                                         wprintf("<br />");
1018                                 }
1019                                 wprintf("\">");
1020
1021                                 escputs((char *) icalproperty_get_comment(p));
1022                                 wprintf("</a></dd>\n");
1023                         }
1024                 }
1025         }
1026         DeleteHashPos(&Pos);
1027 }
1028
1029 /*
1030  * view one day
1031  */
1032 void calendar_day_view(int year, int month, int day) {
1033         int hour;
1034         struct icaltimetype today, yesterday, tomorrow;
1035         long daystart;
1036         long dayend;
1037         struct tm d_tm;
1038         char d_str[128];
1039         int time_format;
1040         time_t today_t;
1041         int timeline = 30;
1042         int extratimeline = 0;
1043         int gap = 0;
1044
1045         time_format = get_time_format_cached ();
1046         get_pref_long("daystart", &daystart, 8);
1047         get_pref_long("dayend", &dayend, 17);
1048
1049         /* when loading daystart/dayend, replace missing, corrupt, or impossible values with defaults */
1050         if ((daystart < 0) || (dayend < 2) || (daystart >= 23) || (dayend > 23) || (dayend <= daystart)) {
1051                 daystart = 9;
1052                 dayend = 17;
1053         }
1054
1055         /* Today's date */
1056         memset(&d_tm, 0, sizeof d_tm);
1057         d_tm.tm_year = year - 1900;
1058         d_tm.tm_mon = month - 1;
1059         d_tm.tm_mday = day;
1060         today_t = mktime(&d_tm);
1061
1062         /* Figure out the dates for "yesterday" and "tomorrow" links */
1063
1064         memset(&today, 0, sizeof(struct icaltimetype));
1065         today.year = year;
1066         today.month = month;
1067         today.day = day;
1068         today.is_date = 1;
1069
1070         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
1071         --yesterday.day;
1072         yesterday = icaltime_normalize(yesterday);
1073
1074         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
1075         ++tomorrow.day;
1076         tomorrow = icaltime_normalize(tomorrow);
1077
1078         wprintf("<div class=\"fix_scrollbar_bug\">");
1079
1080         /* Inner table (the real one) */
1081         wprintf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
1082
1083         /* Innermost cell (contains hours etc.) */
1084         wprintf("<td class=\"events_of_the_day\" >");
1085         wprintf("<dl class=\"events\" >");
1086
1087         /* Now the middle of the day... */
1088
1089         extratimeline = timeline / 3;
1090
1091         for (hour = 0; hour < daystart; ++hour) {       /* could do HEIGHT=xx */
1092                 wprintf("<dt class=\"extrahour\"        "
1093                         "style=\"               "
1094                         "position: absolute;    "
1095                         "top: %dpx; left: 0px;  "
1096                         "height: %dpx;          "
1097                         "\" >                   "
1098                         "<a href=\"display_edit_event?msgnum=0"
1099                         "?calview=day?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1100                         (hour * extratimeline ), extratimeline,
1101                         year, month, day, hour
1102                         );
1103
1104                 if (time_format == WC_TIMEFORMAT_24) {
1105                         wprintf("%2d:00</a> ", hour);
1106                 }
1107                 else {
1108                         wprintf("%d:00%s</a> ",
1109                                 (hour <= 12 ? hour : hour-12),
1110                                 (hour < 12 ? "am" : "pm")
1111                                 );
1112                 }
1113
1114                 wprintf("</dt>");
1115         }
1116
1117         gap = daystart * extratimeline;
1118
1119         for (hour = daystart; hour <= dayend; ++hour) {       /* could do HEIGHT=xx */
1120                 wprintf("<dt class=\"hour\"     "
1121                         "style=\"               "
1122                         "position: absolute;    "
1123                         "top: %ldpx; left: 0px;  "
1124                         "height: %dpx;          "
1125                         "\" >                   "
1126                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1127                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1128                         gap + ((hour - daystart) * timeline ), timeline,
1129                         year, month, day, hour
1130                         );
1131
1132                 if (time_format == WC_TIMEFORMAT_24) {
1133                         wprintf("%2d:00</a> ", hour);
1134                 }
1135                 else {
1136                         wprintf("%d:00%s</a> ",
1137                                 (hour <= 12 ? hour : hour-12),
1138                                 (hour < 12 ? "am" : "pm")
1139                                                 );
1140                 }
1141
1142                 wprintf("</dt>");
1143         }
1144
1145         gap = gap + ((dayend - daystart + 1) * timeline);
1146
1147         for (hour = (dayend + 1); hour < 24; ++hour) {       /* could do HEIGHT=xx */
1148                 wprintf("<dt class=\"extrahour\"     "
1149                         "style=\"               "
1150                         "position: absolute;    "
1151                         "top: %ldpx; left: 0px; "
1152                         "height: %dpx;          "
1153                         "\" >                   "
1154                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1155                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1156                         gap + ((hour - dayend - 1) * extratimeline ), extratimeline,
1157                         year, month, day, hour
1158                 );
1159
1160                 if (time_format == WC_TIMEFORMAT_24) {
1161                         wprintf("%2d:00</a> ", hour);
1162                 }
1163                 else {
1164                         wprintf("%d:00%s</a> ",
1165                                 (hour <= 12 ? hour : hour-12),
1166                                 (hour < 12 ? "am" : "pm")
1167                         );
1168                 }
1169
1170                 wprintf("</dt>");
1171         }
1172
1173         /* Display events with start and end times on this day */
1174         calendar_day_view_display_events(today_t, year, month, day, 0, daystart, dayend);
1175
1176         wprintf("</dl>");
1177         wprintf("</td>");                       /* end of innermost table */
1178
1179         /* Display extra events (start/end times not present or not today) in the middle column */
1180         wprintf("<td class=\"extra_events\">");
1181
1182         wprintf("<ul>");
1183
1184         /* Display all-day events */
1185         calendar_day_view_display_events(today_t, year, month, day, 1, daystart, dayend);
1186
1187         wprintf("</ul>");
1188
1189         wprintf("</td>");       /* end extra on the middle */
1190
1191         wprintf("<td width=20%% align=center valign=top>");     /* begin stuff-on-the-right */
1192
1193         /* Begin todays-date-with-left-and-right-arrows */
1194         wprintf("<table border=0 width=100%% "
1195                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
1196         wprintf("<tr>");
1197
1198         /* Left arrow */
1199         wprintf("<td align=center>");
1200         wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1201                 yesterday.year, yesterday.month, yesterday.day);
1202         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
1203         wprintf("</td>");
1204
1205         wc_strftime(d_str, sizeof d_str,
1206                 "<td align=center>"
1207                 "<font size=+2>%B</font><br />"
1208                 "<font size=+3>%d</font><br />"
1209                 "<font size=+2>%Y</font><br />"
1210                 "</td>",
1211                 &d_tm
1212                 );
1213         wprintf("%s", d_str);
1214
1215         /* Right arrow */
1216         wprintf("<td align=center>");
1217         wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1218                 tomorrow.year, tomorrow.month, tomorrow.day);
1219         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
1220                 " border=0></a>\n");
1221         wprintf("</td>");
1222
1223         wprintf("</tr></table>\n");
1224         /* End todays-date-with-left-and-right-arrows */
1225
1226         /* Embed a mini month calendar in this space */
1227         wprintf("<br />\n");
1228         embeddable_mini_calendar(year, month, "readfwd?calview=day?year=%d?month=%d?day=%d");
1229
1230         wprintf("</font></center>\n");
1231
1232         wprintf("</td></tr>");                  /* end stuff-on-the-right */
1233
1234         wprintf("</table>"                      /* end of inner table */
1235                 "</div>");
1236
1237         StrBufAppendPrintf(WC->trailing_javascript,
1238                 " setTimeout(\"btt_enableTooltips('inner_day')\", 1);   \n"
1239         );
1240 }
1241
1242
1243 /*
1244  * Display today's events.
1245  */
1246 void calendar_summary_view(void) {
1247         long hklen;
1248         const char *HashKey;
1249         void *vCal;
1250         HashPos *Pos;
1251         disp_cal *Cal;
1252         icalproperty *p;
1253         struct icaltimetype t;
1254         time_t event_tt;
1255         struct tm event_tm;
1256         struct tm today_tm;
1257         time_t now;
1258         int all_day_event = 0;
1259         char timestring[SIZ];
1260         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
1261
1262         if (GetCount(WC->disp_cal_items) == 0) {
1263                 return;
1264         }
1265
1266         now = time(NULL);
1267         localtime_r(&now, &today_tm);
1268
1269         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
1270         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1271                 Cal = (disp_cal*)vCal;
1272                 p = icalcomponent_get_first_property(Cal->cal,
1273                                                 ICAL_DTSTART_PROPERTY);
1274                 if (p != NULL) {
1275                         t = icalproperty_get_dtstart(p);
1276                         event_tt = icaltime_as_timet(t);
1277                         if (t.is_date) {
1278                                 all_day_event = 1;
1279                         }
1280                         else {
1281                                 all_day_event = 0;
1282                         }
1283                         fmt_time(timestring, event_tt);
1284
1285                         if (all_day_event) {
1286                                 gmtime_r(&event_tt, &event_tm);
1287                         }
1288                         else {
1289                                 localtime_r(&event_tt, &event_tm);
1290                         }
1291
1292                         if ( (event_tm.tm_year == today_tm.tm_year)
1293                                 && (event_tm.tm_mon == today_tm.tm_mon)
1294                         && (event_tm.tm_mday == today_tm.tm_mday)
1295                         ) {
1296
1297
1298                         p = icalcomponent_get_first_property(
1299                                 Cal->cal,
1300                                 ICAL_SUMMARY_PROPERTY);
1301                         if (p != NULL) {
1302                                 escputs((char *)
1303                                         icalproperty_get_comment(p));
1304                                 wprintf(" (%s)<br />\n", timestring);
1305                         }
1306                         }
1307                 }
1308         }
1309         DeleteHashPos(&Pos);
1310         DeleteHash(&WC->disp_cal_items);
1311 }
1312
1313
1314 /*
1315  * Parse the URL variables in order to determine the scope and display of a calendar view
1316  */
1317 void parse_calendar_view_request(struct calview *c) {
1318         time_t now;
1319         struct tm tm;
1320         char calview[32];
1321
1322         /* In case no date was specified, go with today */
1323         now = time(NULL);
1324         localtime_r(&now, &tm);
1325         c->year = tm.tm_year + 1900;
1326         c->month = tm.tm_mon + 1;
1327         c->day = tm.tm_mday;
1328
1329         /* Now see if a date was specified */
1330         if (havebstr("year")) c->year = ibstr("year");
1331         if (havebstr("month")) c->month = ibstr("month");
1332         if (havebstr("day")) c->day = ibstr("day");
1333
1334         /* How would you like that cooked? */
1335         if (havebstr("calview")) {
1336                 strcpy(calview, bstr("calview"));
1337         }
1338         else {
1339                 strcpy(calview, "month");
1340         }
1341
1342         /* Display the selected view */
1343         if (!strcasecmp(calview, "day")) {
1344                 c->view = calview_day;
1345         }
1346         else if (!strcasecmp(calview, "week")) {
1347                 c->view = calview_week;
1348         }
1349         else {
1350                 if (WC->wc_view == VIEW_CALBRIEF) {
1351                         c->view = calview_brief;
1352                 }
1353                 else {
1354                         c->view = calview_month;
1355                 }
1356         }
1357
1358         /* Now try and set the lower and upper bounds so that we don't
1359          * burn too many cpu cycles parsing data way in the past or future
1360          */
1361
1362         tm.tm_year = c->year - 1900;
1363         tm.tm_mon = c->month - 1;
1364         tm.tm_mday = c->day;
1365         now = mktime(&tm);
1366
1367         int span = 3888000;
1368         if (c->view == calview_month)   span = 3888000;
1369         if (c->view == calview_brief)   span = 3888000;
1370         if (c->view == calview_week)    span = 604800;
1371         if (c->view == calview_day)     span = 86400;
1372
1373         c->lower_bound = now - span;
1374         c->upper_bound = now + span;
1375 }
1376
1377
1378
1379 /*
1380  * Render a calendar view from data previously loaded into memory
1381  */
1382 void render_calendar_view(struct calview *c)
1383 {
1384         if (c->view == calview_day) {
1385                 calendar_day_view(c->year, c->month, c->day);
1386         }
1387         else if (c->view == calview_week) {
1388                 calendar_week_view(c->year, c->month, c->day);
1389         }
1390         else {
1391                 if (WC->wc_view == VIEW_CALBRIEF) {
1392                         calendar_brief_month_view(c->year, c->month, c->day);
1393                 }
1394                 else {
1395                         calendar_month_view(c->year, c->month, c->day);
1396                 }
1397         }
1398
1399         /* Free the in-memory list of calendar items */
1400         DeleteHash(&WC->disp_cal_items);
1401 }
1402
1403
1404 /*
1405  * Helper function for do_tasks_view().  Returns the due date/time of a vtodo.
1406  */
1407 time_t get_task_due_date(icalcomponent *vtodo) {
1408         icalproperty *p;
1409
1410         if (vtodo == NULL) {
1411                 return(0L);
1412         }
1413
1414         /*
1415          * If we're looking at a fully encapsulated VCALENDAR
1416          * rather than a VTODO component, recurse into the data
1417          * structure until we get a VTODO.
1418          */
1419         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
1420                 return get_task_due_date(
1421                         icalcomponent_get_first_component(
1422                                 vtodo, ICAL_VTODO_COMPONENT
1423                                 )
1424                         );
1425         }
1426
1427         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
1428         if (p != NULL) {
1429                 return(icaltime_as_timet(icalproperty_get_due(p)));
1430         }
1431         else {
1432                 return(0L);
1433         }
1434 }
1435
1436
1437 /*
1438  * Compare the due dates of two tasks (this is for sorting)
1439  */
1440 int task_due_cmp(const void *vtask1, const void *vtask2) {
1441         disp_cal * Task1 = (disp_cal *)GetSearchPayload(vtask1);
1442         disp_cal * Task2 = (disp_cal *)GetSearchPayload(vtask2);
1443
1444         time_t t1;
1445         time_t t2;
1446
1447         t1 =  get_task_due_date(Task1->cal);
1448         t2 =  get_task_due_date(Task2->cal);
1449         if (t1 < t2) return(-1);
1450         if (t1 > t2) return(1);
1451         return(0);
1452 }
1453
1454 /*
1455  * qsort filter to move completed tasks to bottom of task list
1456  */
1457 int task_completed_cmp(const void *vtask1, const void *vtask2) {
1458         disp_cal * Task1 = (disp_cal *)GetSearchPayload(vtask1);
1459 //      disp_cal * Task2 = (disp_cal *)GetSearchPayload(vtask2);
1460
1461         icalproperty_status t1 = icalcomponent_get_status((Task1)->cal);
1462         // icalproperty_status t2 = icalcomponent_get_status(((struct disp_cal *)task2)->cal);
1463
1464         if (t1 == ICAL_STATUS_COMPLETED)
1465                 return 1;
1466         return 0;
1467 }
1468
1469
1470
1471 /*
1472  * do the whole task view stuff
1473  */
1474 void do_tasks_view(void) {
1475         long hklen;
1476         const char *HashKey;
1477         void *vCal;
1478         disp_cal *Cal;
1479         HashPos *Pos;
1480         int nItems;
1481         time_t due;
1482         char buf[SIZ];
1483         icalproperty *p;
1484         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
1485
1486         wprintf("<div class=\"fix_scrollbar_bug\">"
1487                 "<table class=\"calendar_view_background\"><tbody id=\"taskview\">\n<tr>\n"
1488                 "<th>");
1489         wprintf(_("Completed?"));
1490         wprintf("</th><th>");
1491         wprintf(_("Name of task"));
1492         wprintf("</th><th>");
1493         wprintf(_("Date due"));
1494         wprintf("</th><th>");
1495         wprintf(_("Category"));
1496         wprintf(" (<select id=\"selectcategory\"><option value=\"showall\">%s</option></select>)</th></tr>\n",
1497                 _("Show All"));
1498
1499         nItems = GetCount(WC->disp_cal_items);
1500
1501         /* Sort them if necessary
1502         if (nItems > 1) {
1503                 SortByPayload(WC->disp_cal_items, task_due_cmp);
1504         }
1505         * this shouldn't be neccessary, since we sort by the start time.
1506         */
1507
1508         /* And then again, by completed */
1509         if (nItems > 1) {
1510                 SortByPayload(WC->disp_cal_items,
1511                               task_completed_cmp);
1512         }
1513
1514         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
1515         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1516                 Cal = (disp_cal*)vCal;
1517                 wprintf("<tr><td>");
1518                 icalproperty_status todoStatus = icalcomponent_get_status(Cal->cal);
1519                 wprintf("<input type=\"checkbox\" name=\"completed\" value=\"completed\" ");
1520                 if (todoStatus == ICAL_STATUS_COMPLETED) {
1521                         wprintf("checked=\"checked\" ");
1522                 }
1523                 wprintf("disabled=\"disabled\">\n</td><td>");
1524                 p = icalcomponent_get_first_property(Cal->cal,
1525                         ICAL_SUMMARY_PROPERTY);
1526                 wprintf("<a href=\"display_edit_task?msgnum=%ld&amp;taskrm=",
1527                         Cal->cal_msgnum );
1528                 urlescputs(WC->wc_roomname);
1529                 wprintf("\">");
1530                 /* wprintf("<img align=middle "
1531                 "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;"); */
1532                 if (p != NULL) {
1533                         escputs((char *)icalproperty_get_comment(p));
1534                 }
1535                 wprintf("</a>\n");
1536                 wprintf("</td>\n");
1537
1538                 due = get_task_due_date(Cal->cal);
1539                 wprintf("<td><span");
1540                 if (due > 0) {
1541                         webcit_fmt_date(buf, due, 0);
1542                         wprintf(">%s",buf);
1543                 }
1544                 else {
1545                         wprintf(">");
1546                 }
1547                 wprintf("</span></td>");
1548                 wprintf("<td>");
1549                 p = icalcomponent_get_first_property(Cal->cal,
1550                         ICAL_CATEGORIES_PROPERTY);
1551                 if (p != NULL) {
1552                         escputs((char *)icalproperty_get_categories(p));
1553                 }
1554                 wprintf("</td>");
1555                 wprintf("</tr>");
1556         }
1557
1558         wprintf("</tbody></table></div>\n");
1559
1560         /* Free the list */
1561         DeleteHash(&WC->disp_cal_items);
1562         DeleteHashPos(&Pos);
1563 }
1564