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