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         const StrBuf *Buf;
 150         char urlformat[256];
 151         int i, j, len;
 152         const char *escaped_urlformat;
 153
 154         Buf = sbstr("urlformat");
 155         escaped_urlformat = ChrPtr(Buf);
 156         len = StrLength(Buf);
 157         if (len * 2 > sizeof(urlformat))
 158                 len = sizeof(urlformat) / 2;
 159
 160         for (i=0, j = 0; i < len ; i+=2, j++) {
 161                 urlformat[j] = xtoi(&escaped_urlformat[i], 2);
 162         }
 163         urlformat[j] = '\0';
 164
 165         embeddable_mini_calendar( ibstr("year"), ibstr("month"), urlformat );
 166 }
 167
 168
 169 /*
 170  * Display one day of a whole month view of a calendar
 171  */
 172 void calendar_month_view_display_events(int year, int month, int day)
 173 {
 174         long hklen;
 175         const char *HashKey;
 176         void *vCal;
 177         HashPos *Pos;
 178         disp_cal *Cal;
 179         icalproperty *p = NULL;
 180         icalproperty *q = NULL;
 181         struct icaltimetype t;
 182         struct icaltimetype end_t;
 183         struct icaltimetype today_start_t;
 184         struct icaltimetype today_end_t;
 185         struct tm starting_tm;
 186         struct tm ending_tm;
 187         int all_day_event = 0;
 188         int show_event = 0;
 189         char buf[256];
 190         wcsession *WCC = WC;
 191         time_t tt;
 192
 193         if (GetCount(WCC->disp_cal_items) == 0) {
 194                 wprintf("<br /><br /><br />\n");
 195                 return;
 196         }
 197
 198         /*
 199          * Create an imaginary event which spans the 24 hours of today.  Any events which
 200          * overlap with this one take place at least partially in this day.  We have to
 201          * convert it from a struct tm in order to make it UTC.
 202          */
 203         memset(&starting_tm, 0, sizeof(struct tm));
 204         starting_tm.tm_year = year - 1900;
 205         starting_tm.tm_mon = month - 1;
 206         starting_tm.tm_mday = day;
 207         starting_tm.tm_hour = 0;
 208         starting_tm.tm_min = 0;
 209         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 210         today_start_t.is_utc = 1;
 211
 212         memset(&ending_tm, 0, sizeof(struct tm));
 213         ending_tm.tm_year = year - 1900;
 214         ending_tm.tm_mon = month - 1;
 215         ending_tm.tm_mday = day;
 216         ending_tm.tm_hour = 23;
 217         ending_tm.tm_min = 59;
 218         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 219         today_end_t.is_utc = 1;
 220
 221         /*
 222          * Now loop through our list of events to see which ones occur today.
 223          */
 224         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 225         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 226                 Cal = (disp_cal*)vCal;
 227                 all_day_event = 0;
 228                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 229                 if (q != NULL) {
 230                         t = icalproperty_get_dtstart(q);
 231                 }
 232                 else {
 233                         memset(&t, 0, sizeof t);
 234                 }
 235                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 236                 if (q != NULL) {
 237                         end_t = icalproperty_get_dtend(q);
 238                 }
 239                 else {
 240                         memset(&end_t, 0, sizeof end_t);
 241                 }
 242                 if (t.is_date) all_day_event = 1;
 243
 244                 if (all_day_event)
 245                 {
 246                         show_event = ((t.year == year) && (t.month == month) && (t.day == day));
 247                 }
 248                 else
 249                 {
 250                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 251                 }
 252
 253                 /*
 254                  * If we determined that this event occurs today, then display it.
 255                  */
 256                 if (show_event) {
 257                         p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
 258                         if (p != NULL) {
 259
 260                                 if (all_day_event) {
 261                                         wprintf("<table border=0 cellpadding=2><TR>"
 262                                                 "<td bgcolor=\"#CCCCDD\">"
 263                                                 );
 264                                 }
 265
 266                                 wprintf("<font size=\"-1\">"
 267                                         "<a class=\"event%s\" href=\"display_edit_event?"
 268                                         "msgnum=%ld?calview=month?year=%d?month=%d?day=%d\""
 269                                         " btt_tooltext=\"",
 270                                         (Cal->unread)?"_unread":"_read",
 271                                         Cal->cal_msgnum,
 272                                         year, month, day
 273                                         );
 274
 275                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
 276                                 wprintf("<i>%s</i> ",          _("Summary:"));
 277                                 escputs((char *)icalproperty_get_comment(p));
 278                                 wprintf("<br />");
 279
 280                                 q = icalcomponent_get_first_property(
 281                                         Cal->cal,
 282                                         ICAL_LOCATION_PROPERTY);
 283                                 if (q) {
 284                                         wprintf("<i>%s</i> ", _("Location:"));
 285                                         escputs((char *)icalproperty_get_comment(q));
 286                                         wprintf("<br />");
 287                                 }
 288
 289                                 /*
 290                                  * Only show start/end times if we're actually looking at the VEVENT
 291                                  * component.  Otherwise it shows bogus dates for e.g. timezones
 292                                  */
 293                                 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
 294
 295                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 296                                         if (q != NULL) {
 297                                                 t = icalproperty_get_dtstart(q);
 298
 299                                                 if (t.is_date) {
 300                                                         struct tm d_tm;
 301                                                         char d_str[32];
 302                                                         memset(&d_tm, 0, sizeof d_tm);
 303                                                         d_tm.tm_year = t.year - 1900;
 304                                                         d_tm.tm_mon = t.month - 1;
 305                                                         d_tm.tm_mday = t.day;
 306                                                         wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 307                                                         wprintf("<i>%s</i> %s<br>",
 308                                                                 _("Date:"), d_str);
 309                                                 }
 310                                                 else {
 311                                                         tt = icaltime_as_timet(t);
 312                                                         webcit_fmt_date(buf, tt, 1);
 313                                                         wprintf("<i>%s</i> %s<br>",
 314                                                                 _("Starting date/time:"), buf);
 315
 316                                                         /*
 317                                                          * Embed the 'show end date/time' loop inside here so it
 318                                                          * only executes if this is NOT an all day event.
 319                                                          */
 320                                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 321                                                         if (q != NULL) {
 322                                                                 t = icalproperty_get_dtend(q);
 323                                                                 tt = icaltime_as_timet(t);
 324                                                                 webcit_fmt_date(buf, tt, 1);
 325                                                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 326                                                         }
 327
 328                                                 }
 329                                         }
 330
 331                                 }
 332
 333                                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DESCRIPTION_PROPERTY);
 334                                 if (q) {
 335                                         wprintf("<i>%s</i> ", _("Notes:"));
 336                                         escputs((char *)icalproperty_get_comment(q));
 337                                         wprintf("<br />");
 338                                 }
 339
 340                                 wprintf("\">");
 341                                 escputs((char *)
 342                                         icalproperty_get_comment(p));
 343                                 wprintf("</a></font><br />\n");
 344
 345                                 if (all_day_event) {
 346                                         wprintf("</td></tr></table>");
 347                                 }
 348
 349                         }
 350
 351                 }
 352
 353
 354         }
 355         DeleteHashPos(&Pos);
 356 }
 357
 358
 359 /*
 360  * Display one day of a whole month view of a calendar
 361  */
 362 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 363         long hklen;
 364         const char *HashKey;
 365         void *vCal;
 366         HashPos *Pos;
 367         time_t event_tt;
 368         time_t event_tts;
 369         time_t event_tte;
 370         wcsession *WCC = WC;
 371         struct tm event_tms;
 372         struct tm event_tme;
 373         struct tm today_tm;
 374         icalproperty *p;
 375         icalproperty *e;
 376         struct icaltimetype t;
 377         disp_cal *Cal;
 378         int month, day, year;
 379         int all_day_event = 0;
 380         char *timeformat;
 381         int time_format;
 382
 383         time_format = get_time_format_cached ();
 384
 385         if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
 386         else timeformat="%I:%M %p";
 387
 388         localtime_r(&thetime, &today_tm);
 389         month = today_tm.tm_mon + 1;
 390         day = today_tm.tm_mday;
 391         year = today_tm.tm_year + 1900;
 392
 393         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 394         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 395                 Cal = (disp_cal*)vCal;
 396                 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 397                 if (p != NULL) {
 398                         t = icalproperty_get_dtstart(p);
 399                         event_tt = icaltime_as_timet(t);
 400                         event_tts=event_tt;
 401                         if (t.is_date) all_day_event = 1;
 402                         else all_day_event = 0;
 403
 404                         if (all_day_event) {
 405                                 gmtime_r(&event_tts, &event_tms);
 406                         }
 407                         else {
 408                                 localtime_r(&event_tts, &event_tms);
 409                         }
 410                         /* \todo epoch &! daymask */
 411                         if ((event_tms.tm_year == today_tm.tm_year)
 412                                 && (event_tms.tm_mon == today_tm.tm_mon)
 413                         && (event_tms.tm_mday == today_tm.tm_mday)) {
 414
 415
 416                         char sbuf[255];
 417                         char ebuf[255];
 418
 419                         p = icalcomponent_get_first_property(
 420                                 Cal->cal,
 421                                 ICAL_SUMMARY_PROPERTY);
 422                         e = icalcomponent_get_first_property(
 423                                 Cal->cal,
 424                                 ICAL_DTEND_PROPERTY);
 425                         if ((p != NULL) && (e != NULL)) {
 426                                 time_t difftime;
 427                                 int hours, minutes;
 428                                 t = icalproperty_get_dtend(e);
 429                                 event_tte = icaltime_as_timet(t);
 430                                 localtime_r(&event_tte, &event_tme);
 431                                 difftime=(event_tte-event_tts)/60;
 432                                 hours=(int)(difftime / 60);
 433                                 minutes=difftime % 60;
 434                                 wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 435                                         "<font size=\"-1\">"
 436                                         "<a class=\"event%s\" href=\"display_edit_event?msgnum=%ld?calview=calbrief?year=%s?month=%s?day=%s\">",
 437                                         daycolor,
 438                                         hours, minutes,
 439                                         (Cal->unread)?"_unread":"_read",
 440                                         daycolor,
 441                                         Cal->cal_msgnum,
 442                                         bstr("year"),
 443                                         bstr("month"),
 444                                         bstr("day")
 445                                         );
 446
 447                                 escputs((char *)
 448                                         icalproperty_get_comment(p));
 449                                 /* \todo: allso ammitime format */
 450                                 wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 451                                 wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 452
 453                                 wprintf("</a></font></td>"
 454                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 455                                         daycolor,
 456                                         sbuf,
 457                                         daycolor,
 458                                         ebuf);
 459                                 }
 460
 461                         }
 462
 463
 464                 }
 465         }
 466         DeleteHashPos(&Pos);
 467 }
 468
 469
 470 /*
 471  * view one month. pretty view
 472  */
 473 void calendar_month_view(int year, int month, int day) {
 474         struct tm starting_tm;
 475         struct tm tm;
 476         time_t thetime;
 477         int i;
 478         time_t previous_month;
 479         time_t next_month;
 480         time_t colheader_time;
 481         struct tm colheader_tm;
 482         char colheader_label[32];
 483         long weekstart = 0;
 484
 485         /*
 486          * Determine what day to start.  If an impossible value is found, start on Sunday.
 487          */
 488         get_pref_long("weekstart", &weekstart, 17);
 489         if (weekstart > 6) weekstart = 0;
 490
 491         /*
 492          * Now back up to the 1st of the month...
 493          */
 494         memset(&starting_tm, 0, sizeof(struct tm));
 495
 496         starting_tm.tm_year = year - 1900;
 497         starting_tm.tm_mon = month - 1;
 498         starting_tm.tm_mday = day;
 499         thetime = mktime(&starting_tm);
 500
 501         memcpy(&tm, &starting_tm, sizeof(struct tm));
 502         while (tm.tm_mday != 1) {
 503                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 504                 localtime_r(&thetime, &tm);
 505         }
 506
 507         /* Determine previous and next months ... for links */
 508         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 509         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 510
 511         /* Now back up until we're on the user's preferred start day */
 512         localtime_r(&thetime, &tm);
 513         while (tm.tm_wday != weekstart) {
 514                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 515                 localtime_r(&thetime, &tm);
 516         }
 517
 518         /* Outer table (to get the background color) */
 519         wprintf("<div class=\"fix_scrollbar_bug\">"
 520                 "<table class=\"calendar\"> \n <tr><td>");
 521
 522         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 523
 524         wprintf("<td align=center>");
 525
 526         localtime_r(&previous_month, &tm);
 527         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 528                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 529         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 530
 531         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 532         wprintf("&nbsp;&nbsp;"
 533                 "<font size=+1 color=\"#FFFFFF\">"
 534                 "%s %d"
 535                 "</font>"
 536                 "&nbsp;&nbsp;", colheader_label, year);
 537
 538         localtime_r(&next_month, &tm);
 539         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 540                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 541         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 542
 543         wprintf("</td></tr></table>\n");
 544
 545         /* Inner table (the real one) */
 546         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 547                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 548         colheader_time = thetime;
 549         for (i=0; i<7; ++i) {
 550                 colheader_time = thetime + (i * 86400) ;
 551                 localtime_r(&colheader_time, &colheader_tm);
 552                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 553                 wprintf("<th align=center width=14%%>"
 554                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 555
 556         }
 557         wprintf("</tr>\n");
 558
 559
 560         /* Now do 35 or 42 days */
 561         localtime_r(&thetime, &tm);
 562         for (i = 0; i<42; ++i) {
 563
 564                 /* Before displaying the first day of the week, start a new row */
 565                 if ((i % 7) == 0) {
 566                         wprintf("<tr>");
 567                 }
 568
 569                 wprintf("<td class=\"cal%s\"><div class=\"day\">",
 570                         ((tm.tm_mon != month-1) ? "out" :
 571                                 ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
 572                                         "day"))
 573                         );
 574                 if ((i==0) || (tm.tm_mday == 1)) {
 575                         wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 576                         wprintf("%s ", colheader_label);
 577                 }
 578                 wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">"
 579                         "%d</a></div>",
 580                         tm.tm_year + 1900,
 581                         tm.tm_mon + 1,
 582                         tm.tm_mday,
 583                         tm.tm_mday);
 584
 585                 /* put the data here, stupid */
 586                 calendar_month_view_display_events(
 587                         tm.tm_year + 1900,
 588                         tm.tm_mon + 1,
 589                         tm.tm_mday
 590                         );
 591
 592                 wprintf("</td>");
 593
 594                 /* After displaying the last day of the week, end the row */
 595                 if ((i % 7) == 6) {
 596                         wprintf("</tr>\n");
 597                 }
 598
 599                 thetime += (time_t)86400;               /* ahead 24 hours */
 600                 localtime_r(&thetime, &tm);
 601
 602                 if ( ((i % 7) == 6) && (tm.tm_mon != month-1) && (tm.tm_mday < 15) ) {
 603                         i = 100;        /* break out of the loop */
 604                 }
 605         }
 606
 607         wprintf("</table>"                      /* end of inner table */
 608                 "</td></tr></table>"            /* end of outer table */
 609                 "</div>\n");
 610
 611         /*
 612          * Initialize the bubble tooltips.
 613          *
 614          * Yes, this is as stupid as it looks.  Instead of just making the call
 615          * to btt_enableTooltips() straight away, we have to create a timer event
 616          * and let it initialize as an event after 1 millisecond.  This is to
 617          * work around a bug in Internet Explorer that causes it to crash if we
 618          * manipulate the innerHTML of various DOM nodes while the page is still
 619          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 620          * for more information.
 621          */
 622         StrBufAppendPrintf(WC->trailing_javascript,
 623                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); \n"
 624         );
 625 }
 626
 627 /*
 628  * view one month. brief view
 629  */
 630 void calendar_brief_month_view(int year, int month, int day) {
 631         struct tm starting_tm;
 632         struct tm tm;
 633         time_t thetime;
 634         int i;
 635         time_t previous_month;
 636         time_t next_month;
 637         char month_label[32];
 638
 639         /* Determine what day to start.
 640          * First, back up to the 1st of the month...
 641          */
 642         memset(&starting_tm, 0, sizeof(struct tm));
 643         starting_tm.tm_year = year - 1900;
 644         starting_tm.tm_mon = month - 1;
 645         starting_tm.tm_mday = day;
 646         thetime = mktime(&starting_tm);
 647
 648         memcpy(&tm, &starting_tm, sizeof(struct tm));
 649         while (tm.tm_mday != 1) {
 650                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 651                 localtime_r(&thetime, &tm);
 652         }
 653
 654         /* Determine previous and next months ... for links */
 655         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 656         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 657
 658         /* Now back up until we're on a Sunday */
 659         localtime_r(&thetime, &tm);
 660         while (tm.tm_wday != 0) {
 661                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 662                 localtime_r(&thetime, &tm);
 663         }
 664
 665         /* Outer table (to get the background color) */
 666         wprintf("<div class=\"fix_scrollbar_bug\">"
 667                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 668                 "bgcolor=#204B78><TR><TD>\n");
 669
 670         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 671
 672         wprintf("<td align=center>");
 673
 674         localtime_r(&previous_month, &tm);
 675         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 676                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 677         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 678
 679         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 680         wprintf("&nbsp;&nbsp;"
 681                 "<font size=+1 color=\"#FFFFFF\">"
 682                 "%s %d"
 683                 "</font>"
 684                 "&nbsp;&nbsp;", month_label, year);
 685
 686         localtime_r(&next_month, &tm);
 687         wprintf("<a href=\"readfwd?calview=month?year=%d?month=%d?day=1\">",
 688                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 689         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 690
 691         wprintf("</td></tr></table>\n");
 692
 693         /* Inner table (the real one) */
 694         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 695                 "bgcolor=#EEEECC><TR>");
 696         wprintf("</tr>\n");
 697         wprintf("<tr><td colspan=\"100%%\">\n");
 698
 699         /* Now do 35 days */
 700         for (i = 0; i < 35; ++i) {
 701                 char weeknumber[255];
 702                 char weekday_name[32];
 703                 char *daycolor;
 704                 localtime_r(&thetime, &tm);
 705
 706
 707                 /* Before displaying Sunday, start a new CELL */
 708                 if ((i % 7) == 0) {
 709                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 710                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%%'> <tr><th colspan='4'>%s %s</th></tr>"
 711                                 "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 712                                 _("Week"),
 713                                 weeknumber,
 714                                 _("Hours"),
 715                                 _("Subject"),
 716                                 _("Start"),
 717                                 _("End")
 718                                 );
 719                 }
 720
 721                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 722                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 723                                 "FFFFFF"));
 724
 725                 /* Day Header */
 726                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 727                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 728                         "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 729                         daycolor,
 730                         weekday_name,tm.tm_mday,
 731                         daycolor);
 732
 733                 /* put the data of one day  here, stupid */
 734                 calendar_month_view_brief_events(thetime, daycolor);
 735
 736
 737                 /* After displaying Saturday, end the row */
 738                 if ((i % 7) == 6) {
 739                         wprintf("</td></tr></table>\n");
 740                 }
 741
 742                 thetime += (time_t)86400;               /* ahead 24 hours */
 743         }
 744
 745         wprintf("</table>"                      /* end of inner table */
 746                 "</td></tr></table>"            /* end of outer table */
 747                 "</div>\n");
 748 }
 749
 750 /*
 751  * Calendar week view -- not implemented yet, this is a stub function
 752  */
 753 void calendar_week_view(int year, int month, int day) {
 754         wprintf("<center><i>week view FIXME</i></center><br />\n");
 755 }
 756
 757
 758 /*
 759  * display one day
 760  * Display events for a particular hour of a particular day.
 761  * (Specify hour < 0 to show "all day" events)
 762  *
 763  * dstart and dend indicate which hours our "daytime" begins and end
 764  */
 765 void calendar_day_view_display_events(time_t thetime,
 766         int year,
 767         int month,
 768         int day,
 769         int notime_events,
 770         int dstart,
 771         int dend)
 772 {
 773         long hklen;
 774         const char *HashKey;
 775         void *vCal;
 776         HashPos *Pos;
 777         icalproperty *p = NULL;
 778         icalproperty *q = NULL;
 779         time_t event_tt;
 780         time_t event_tte;
 781         struct tm event_te;
 782         struct tm event_tm;
 783         int show_event = 0;
 784         int all_day_event = 0;
 785         int ongoing_event = 0;
 786         wcsession *WCC = WC;
 787         disp_cal *Cal;
 788         struct icaltimetype t;
 789         struct icaltimetype end_t;
 790         struct icaltimetype today_start_t;
 791         struct icaltimetype today_end_t;
 792         struct tm starting_tm;
 793         struct tm ending_tm;
 794         int top = 0;
 795         int bottom = 0;
 796         int gap = 1;
 797         int startmin = 0;
 798         int diffmin = 0;
 799         int endmin = 0;
 800
 801         char buf[256];
 802         struct tm d_tm;
 803         char d_str[32];
 804
 805         if (GetCount(WCC->disp_cal_items) == 0) {
 806                 /* nothing to display */
 807                 return;
 808         }
 809
 810         /* Create an imaginary event which spans the current day.  Any events which
 811          * overlap with this one take place at least partially in this day.
 812          */
 813         memset(&starting_tm, 0, sizeof(struct tm));
 814         starting_tm.tm_year = year - 1900;
 815         starting_tm.tm_mon = month - 1;
 816         starting_tm.tm_mday = day;
 817         starting_tm.tm_hour = 0;
 818         starting_tm.tm_min = 0;
 819         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 820         today_start_t.is_utc = 1;
 821
 822         memset(&ending_tm, 0, sizeof(struct tm));
 823         ending_tm.tm_year = year - 1900;
 824         ending_tm.tm_mon = month - 1;
 825         ending_tm.tm_mday = day;
 826         ending_tm.tm_hour = 23;
 827         ending_tm.tm_min = 59;
 828         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 829         today_end_t.is_utc = 1;
 830
 831         /* Now loop through our list of events to see which ones occur today.
 832          */
 833         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
 834         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
 835                 Cal = (disp_cal*)vCal;
 836
 837                 all_day_event = 0;
 838                 ongoing_event=0;
 839
 840                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 841                 if (q != NULL) {
 842                         t = icalproperty_get_dtstart(q);
 843                         event_tt = icaltime_as_timet(t);
 844                         localtime_r(&event_tt, &event_te);
 845                 }
 846                 else {
 847                         memset(&t, 0, sizeof t);
 848                 }
 849                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 850                 if (q != NULL) {
 851                         end_t = icalproperty_get_dtend(q);
 852                         event_tte = icaltime_as_timet(end_t);
 853                         localtime_r(&event_tte, &event_tm);
 854                 }
 855                 else {
 856                         memset(&end_t, 0, sizeof end_t);
 857                 }
 858                 if (t.is_date) all_day_event = 1;
 859
 860                 if (all_day_event)
 861                 {
 862                         show_event = ((t.year == year) && (t.month == month) && (t.day == day) && (notime_events));
 863                 }
 864                 else
 865                 {
 866                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 867                 }
 868
 869                 /* If we determined that this event occurs today, then display it.
 870                  */
 871                 p = icalcomponent_get_first_property(Cal->cal,ICAL_SUMMARY_PROPERTY);
 872
 873                 if ((show_event) && (p != NULL)) {
 874
 875                         if ((event_te.tm_mday != day) || (event_tm.tm_mday != day)) ongoing_event = 1;
 876
 877                         if (all_day_event && notime_events)
 878                         {
 879                                 wprintf("<li class=\"event_framed%s\"> "
 880                                         "<a href=\"display_edit_event?"
 881                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d\" "
 882                                         " class=\"event_title\" "
 883                                         " btt_tooltext=\"",
 884                                         (Cal->unread)?"_unread":"_read",
 885                                         Cal->cal_msgnum, year, month, day);
 886                                 wprintf("<i>%s</i><br />",      _("All day event"));
 887                                 wprintf("<i>%s: %s</i><br />",  _("From"), Cal->from);
 888                                 wprintf("<i>%s</i> ",           _("Summary:"));
 889                                 escputs((char *) icalproperty_get_comment(p));
 890                                 wprintf("<br />");
 891                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 892                                 if (q) {
 893                                         wprintf("<i>%s</i> ", _("Location:"));
 894                                         escputs((char *)icalproperty_get_comment(q));
 895                                         wprintf("<br />");
 896                                                                 }
 897                                 memset(&d_tm, 0, sizeof d_tm);
 898                                 d_tm.tm_year = t.year - 1900;
 899                                 d_tm.tm_mon = t.month - 1;
 900                                 d_tm.tm_mday = t.day;
 901                                 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 902                                 wprintf("<i>%s</i> %s<br>",_("Date:"), d_str);
 903                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
 904                                 if (q) {
 905                                         wprintf("<i>%s</i> ", _("Notes:"));
 906                                         escputs((char *)icalproperty_get_comment(q));
 907                                         wprintf("<br />");
 908                                 }
 909                                 wprintf("\">");
 910                                 escputs((char *) icalproperty_get_comment(p));
 911                                 wprintf("</a> <span>(");
 912                                 wprintf(_("All day event"));
 913                                 wprintf(")</span></li>\n");
 914                         }
 915                         else if (ongoing_event && notime_events)
 916                         {
 917                                 wprintf("<li class=\"event_framed%s\"> "
 918                                         "<a href=\"display_edit_event?"
 919                                         "msgnum=%ld&calview=day?year=%d?month=%d?day=%d\" "
 920                                         " class=\"event_title\" "
 921                                         "btt_tooltext=\"",
 922                                         (Cal->unread)?"_unread":"_read",
 923                                         Cal->cal_msgnum, year, month, day);
 924                                 wprintf("<i>%s</i><br />",     _("Ongoing event"));
 925                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
 926                                 wprintf("<i>%s</i> ",          _("Summary:"));
 927                                 escputs((char *) icalproperty_get_comment(p));
 928                                 wprintf("<br />");
 929                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
 930                                 if (q) {
 931                                         wprintf("<i>%s</i> ", _("Location:"));
 932                                         escputs((char *)icalproperty_get_comment(q));
 933                                         wprintf("<br />");
 934                                                                 }
 935                                 webcit_fmt_date(buf, event_tt, 1);
 936                                 wprintf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
 937                                 webcit_fmt_date(buf, event_tte, 1);
 938                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 939                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
 940                                 if (q) {
 941                                         wprintf("<i>%s</i> ", _("Notes:"));
 942                                         escputs((char *)icalproperty_get_comment(q));
 943                                         wprintf("<br />");
 944                                 }
 945                                 wprintf("\">");
 946                                 escputs((char *) icalproperty_get_comment(p));
 947                                 wprintf("</a> <span>(");
 948                                 wprintf(_("Ongoing event"));
 949                                 wprintf(")</span></li>\n");
 950                         }
 951                         else if (!all_day_event && !notime_events)
 952                         {
 953                                 gap++;
 954
 955                                 if (event_te.tm_mday != day) event_te.tm_hour = 0;
 956                                 if (event_tm.tm_mday != day) event_tm.tm_hour = 24;
 957
 958                                 /* Calculate the location of the top of the box */
 959                                 if (event_te.tm_hour < dstart) {
 960                                         startmin = diffmin = event_te.tm_min / 6;
 961                                         top = (event_te.tm_hour * 10) + startmin;
 962                                 }
 963                                 else if ((event_te.tm_hour >= dstart) && (event_te.tm_hour <= dend)) {
 964                                         startmin = diffmin = (event_te.tm_min / 2);
 965                                         top = (dstart * 10) + ((event_te.tm_hour - dstart) * 30) + startmin;
 966                                 }
 967                                 else if (event_te.tm_hour >dend) {
 968                                         startmin = diffmin = event_te.tm_min / 6;
 969                                         top = (dstart * 10) + ((dend - dstart - 1) * 30) + ((event_tm.tm_hour - dend + 1) * 10) + startmin ;
 970                                 }
 971                                 else {
 972                                         /* should never get here */
 973                                 }
 974
 975                                 /* Calculate the location of the bottom of the box */
 976                                 if (event_tm.tm_hour < dstart) {
 977                                         endmin = diffmin = event_tm.tm_min / 6;
 978                                         bottom = (event_tm.tm_hour * 10) + endmin;
 979                                 }
 980                                 else if ((event_tm.tm_hour >= dstart) && (event_tm.tm_hour <= dend)) {
 981                                         endmin = diffmin = (event_tm.tm_min / 2);
 982                                         bottom = (dstart * 10) + ((event_tm.tm_hour - dstart) * 30) + endmin ;
 983                                 }
 984                                 else if (event_tm.tm_hour >dend) {
 985                                         endmin = diffmin = event_tm.tm_min / 6;
 986                                         bottom = (dstart * 10) + ((dend - dstart + 1) * 30) + ((event_tm.tm_hour - dend - 1) * 10) + endmin;
 987                                 }
 988                                 else {
 989                                         /* should never get here */
 990                                 }
 991
 992                                 wprintf("<dd  class=\"event_framed%s\" "
 993                                         "style=\"position: absolute; "
 994                                         "top:%dpx; left:%dpx; "
 995                                         "height:%dpx; \" >",
 996                                         (Cal->unread)?"_unread":"_read",
 997                                         top, (gap * 40), (bottom-top)
 998                                         );
 999                                 wprintf("<a href=\"display_edit_event?"
1000                                         "msgnum=%ld?calview=day?year=%d?month=%d?day=%d?hour=%d\" "
1001                                         "class=\"event_title\" "
1002                                         "btt_tooltext=\"",
1003                                         Cal->cal_msgnum, year, month, day, t.hour);
1004                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
1005                                 wprintf("<i>%s</i> ",          _("Summary:"));
1006                                 escputs((char *) icalproperty_get_comment(p));
1007                                 wprintf("<br />");
1008                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_LOCATION_PROPERTY);
1009                                 if (q) {
1010                                         wprintf("<i>%s</i> ", _("Location:"));
1011                                         escputs((char *)icalproperty_get_comment(q));
1012                                         wprintf("<br />");
1013                                                                 }
1014                                 webcit_fmt_date(buf, event_tt, 1);
1015                                 wprintf("<i>%s</i> %s<br>", _("Starting date/time:"), buf);
1016                                 webcit_fmt_date(buf, event_tte, 1);
1017                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
1018                                 q = icalcomponent_get_first_property(Cal->cal,ICAL_DESCRIPTION_PROPERTY);
1019                                 if (q) {
1020                                         wprintf("<i>%s</i> ", _("Notes:"));
1021                                         escputs((char *)icalproperty_get_comment(q));
1022                                         wprintf("<br />");
1023                                 }
1024                                 wprintf("\">");
1025
1026                                 escputs((char *) icalproperty_get_comment(p));
1027                                 wprintf("</a></dd>\n");
1028                         }
1029                 }
1030         }
1031         DeleteHashPos(&Pos);
1032 }
1033
1034 /*
1035  * view one day
1036  */
1037 void calendar_day_view(int year, int month, int day) {
1038         int hour;
1039         struct icaltimetype today, yesterday, tomorrow;
1040         long daystart;
1041         long dayend;
1042         struct tm d_tm;
1043         char d_str[128];
1044         int time_format;
1045         time_t today_t;
1046         int timeline = 30;
1047         int extratimeline = 0;
1048         int gap = 0;
1049
1050         time_format = get_time_format_cached ();
1051         get_pref_long("daystart", &daystart, 8);
1052         get_pref_long("dayend", &dayend, 17);
1053
1054         /* when loading daystart/dayend, replace missing, corrupt, or impossible values with defaults */
1055         if ((daystart < 0) || (dayend < 2) || (daystart >= 23) || (dayend > 23) || (dayend <= daystart)) {
1056                 daystart = 9;
1057                 dayend = 17;
1058         }
1059
1060         /* Today's date */
1061         memset(&d_tm, 0, sizeof d_tm);
1062         d_tm.tm_year = year - 1900;
1063         d_tm.tm_mon = month - 1;
1064         d_tm.tm_mday = day;
1065         today_t = mktime(&d_tm);
1066
1067         /* Figure out the dates for "yesterday" and "tomorrow" links */
1068
1069         memset(&today, 0, sizeof(struct icaltimetype));
1070         today.year = year;
1071         today.month = month;
1072         today.day = day;
1073         today.is_date = 1;
1074
1075         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
1076         --yesterday.day;
1077         yesterday = icaltime_normalize(yesterday);
1078
1079         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
1080         ++tomorrow.day;
1081         tomorrow = icaltime_normalize(tomorrow);
1082
1083         wprintf("<div class=\"fix_scrollbar_bug\">");
1084
1085         /* Inner table (the real one) */
1086         wprintf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
1087
1088         /* Innermost cell (contains hours etc.) */
1089         wprintf("<td class=\"events_of_the_day\" >");
1090         wprintf("<dl class=\"events\" >");
1091
1092         /* Now the middle of the day... */
1093
1094         extratimeline = timeline / 3;
1095
1096         for (hour = 0; hour < daystart; ++hour) {       /* could do HEIGHT=xx */
1097                 wprintf("<dt class=\"extrahour\"        "
1098                         "style=\"               "
1099                         "position: absolute;    "
1100                         "top: %dpx; left: 0px;  "
1101                         "height: %dpx;          "
1102                         "\" >                   "
1103                         "<a href=\"display_edit_event?msgnum=0"
1104                         "?calview=day?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1105                         (hour * extratimeline ), extratimeline,
1106                         year, month, day, hour
1107                         );
1108
1109                 if (time_format == WC_TIMEFORMAT_24) {
1110                         wprintf("%2d:00</a> ", hour);
1111                 }
1112                 else {
1113                         wprintf("%d:00%s</a> ",
1114                                 (hour <= 12 ? hour : hour-12),
1115                                 (hour < 12 ? "am" : "pm")
1116                                 );
1117                 }
1118
1119                 wprintf("</dt>");
1120         }
1121
1122         gap = daystart * extratimeline;
1123
1124         for (hour = daystart; hour <= dayend; ++hour) {       /* could do HEIGHT=xx */
1125                 wprintf("<dt class=\"hour\"     "
1126                         "style=\"               "
1127                         "position: absolute;    "
1128                         "top: %ldpx; left: 0px;  "
1129                         "height: %dpx;          "
1130                         "\" >                   "
1131                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1132                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1133                         gap + ((hour - daystart) * timeline ), timeline,
1134                         year, month, day, hour
1135                         );
1136
1137                 if (time_format == WC_TIMEFORMAT_24) {
1138                         wprintf("%2d:00</a> ", hour);
1139                 }
1140                 else {
1141                         wprintf("%d:00%s</a> ",
1142                                 (hour <= 12 ? hour : hour-12),
1143                                 (hour < 12 ? "am" : "pm")
1144                                                 );
1145                 }
1146
1147                 wprintf("</dt>");
1148         }
1149
1150         gap = gap + ((dayend - daystart + 1) * timeline);
1151
1152         for (hour = (dayend + 1); hour < 24; ++hour) {       /* could do HEIGHT=xx */
1153                 wprintf("<dt class=\"extrahour\"     "
1154                         "style=\"               "
1155                         "position: absolute;    "
1156                         "top: %ldpx; left: 0px; "
1157                         "height: %dpx;          "
1158                         "\" >                   "
1159                         "<a href=\"display_edit_event?msgnum=0?calview=day"
1160                         "?year=%d?month=%d?day=%d?hour=%d?minute=0\">",
1161                         gap + ((hour - dayend - 1) * extratimeline ), extratimeline,
1162                         year, month, day, hour
1163                 );
1164
1165                 if (time_format == WC_TIMEFORMAT_24) {
1166                         wprintf("%2d:00</a> ", hour);
1167                 }
1168                 else {
1169                         wprintf("%d:00%s</a> ",
1170                                 (hour <= 12 ? hour : hour-12),
1171                                 (hour < 12 ? "am" : "pm")
1172                         );
1173                 }
1174
1175                 wprintf("</dt>");
1176         }
1177
1178         /* Display events with start and end times on this day */
1179         calendar_day_view_display_events(today_t, year, month, day, 0, daystart, dayend);
1180
1181         wprintf("</dl>");
1182         wprintf("</td>");                       /* end of innermost table */
1183
1184         /* Display extra events (start/end times not present or not today) in the middle column */
1185         wprintf("<td class=\"extra_events\">");
1186
1187         wprintf("<ul>");
1188
1189         /* Display all-day events */
1190         calendar_day_view_display_events(today_t, year, month, day, 1, daystart, dayend);
1191
1192         wprintf("</ul>");
1193
1194         wprintf("</td>");       /* end extra on the middle */
1195
1196         wprintf("<td width=20%% align=center valign=top>");     /* begin stuff-on-the-right */
1197
1198         /* Begin todays-date-with-left-and-right-arrows */
1199         wprintf("<table border=0 width=100%% "
1200                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
1201         wprintf("<tr>");
1202
1203         /* Left arrow */
1204         wprintf("<td align=center>");
1205         wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1206                 yesterday.year, yesterday.month, yesterday.day);
1207         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
1208         wprintf("</td>");
1209
1210         wc_strftime(d_str, sizeof d_str,
1211                 "<td align=center>"
1212                 "<font size=+2>%B</font><br />"
1213                 "<font size=+3>%d</font><br />"
1214                 "<font size=+2>%Y</font><br />"
1215                 "</td>",
1216                 &d_tm
1217                 );
1218         wprintf("%s", d_str);
1219
1220         /* Right arrow */
1221         wprintf("<td align=center>");
1222         wprintf("<a href=\"readfwd?calview=day?year=%d?month=%d?day=%d\">",
1223                 tomorrow.year, tomorrow.month, tomorrow.day);
1224         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
1225                 " border=0></a>\n");
1226         wprintf("</td>");
1227
1228         wprintf("</tr></table>\n");
1229         /* End todays-date-with-left-and-right-arrows */
1230
1231         /* Embed a mini month calendar in this space */
1232         wprintf("<br />\n");
1233         embeddable_mini_calendar(year, month, "readfwd?calview=day?year=%d?month=%d?day=%d");
1234
1235         wprintf("</font></center>\n");
1236
1237         wprintf("</td></tr>");                  /* end stuff-on-the-right */
1238
1239         wprintf("</table>"                      /* end of inner table */
1240                 "</div>");
1241
1242         StrBufAppendPrintf(WC->trailing_javascript,
1243                 " setTimeout(\"btt_enableTooltips('inner_day')\", 1);   \n"
1244         );
1245 }
1246
1247
1248 /*
1249  * Display today's events.  Returns the number of items displayed.
1250  */
1251 int calendar_summary_view(void) {
1252         long hklen;
1253         const char *HashKey;
1254         void *vCal;
1255         HashPos *Pos;
1256         disp_cal *Cal;
1257         icalproperty *p;
1258         struct icaltimetype t;
1259         time_t event_tt;
1260         struct tm event_tm;
1261         struct tm today_tm;
1262         time_t now;
1263         int all_day_event = 0;
1264         char timestring[SIZ];
1265         wcsession *WCC = WC;
1266         int num_displayed = 0;
1267
1268         if (GetCount(WC->disp_cal_items) == 0) {
1269                 return(0);
1270         }
1271
1272         now = time(NULL);
1273         localtime_r(&now, &today_tm);
1274
1275         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
1276         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1277                 Cal = (disp_cal*)vCal;
1278                 p = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
1279                 if (p != NULL) {
1280                         t = icalproperty_get_dtstart(p);
1281                         event_tt = icaltime_as_timet(t);
1282                         if (t.is_date) {
1283                                 all_day_event = 1;
1284                         }
1285                         else {
1286                                 all_day_event = 0;
1287                         }
1288                         fmt_time(timestring, event_tt);
1289
1290                         if (all_day_event) {
1291                                 gmtime_r(&event_tt, &event_tm);
1292                         }
1293                         else {
1294                                 localtime_r(&event_tt, &event_tm);
1295                         }
1296
1297                         if ( (event_tm.tm_year == today_tm.tm_year)
1298                                 && (event_tm.tm_mon == today_tm.tm_mon)
1299                                 && (event_tm.tm_mday == today_tm.tm_mday)
1300                         ) {
1301
1302                                 p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
1303                                 if (p != NULL) {
1304
1305
1306                                         if (WCC->wc_view == VIEW_TASKS) {
1307                                                 wprintf("<a href=\"display_edit_task"
1308                                                         "?msgnum=%ld"
1309                                                         "?return_to_summary=1"
1310                                                         "?gotofirst=",
1311                                                         Cal->cal_msgnum
1312                                                 );
1313                                                 escputs(ChrPtr(WCC->wc_roomname));
1314                                                 wprintf("\">");
1315                                         }
1316                                         else {
1317                                                 wprintf("<a href=\"display_edit_event"
1318                                                         "?msgnum=%ld"
1319                                                         "?calview=summary"
1320                                                         "?year=%d"
1321                                                         "?month=%d"
1322                                                         "?day=%d"
1323                                                         "?gotofirst=",
1324                                                         Cal->cal_msgnum,
1325                                                         today_tm.tm_year + 1900,
1326                                                         today_tm.tm_mon + 1,
1327                                                         today_tm.tm_mday
1328                                                 );
1329                                                 escputs(ChrPtr(WCC->wc_roomname));
1330                                                 wprintf("\">");
1331                                         }
1332                                         escputs((char *) icalproperty_get_comment(p));
1333                                         if (!all_day_event) {
1334                                                 wprintf(" (%s)", timestring);
1335                                         }
1336                                         wprintf("</a><br />\n");
1337                                         ++num_displayed;
1338                                 }
1339                         }
1340                 }
1341         }
1342         DeleteHashPos(&Pos);
1343         DeleteHash(&WC->disp_cal_items);
1344         return(num_displayed);
1345 }
1346
1347 /*
1348  * Parse the URL variables in order to determine the scope and display of a calendar view
1349  */
1350 void parse_calendar_view_request(struct calview *c) {
1351         time_t now;
1352         struct tm tm;
1353         char calview[32];
1354         int span = 3888000;
1355
1356         /* In case no date was specified, go with today */
1357         now = time(NULL);
1358         localtime_r(&now, &tm);
1359         c->year = tm.tm_year + 1900;
1360         c->month = tm.tm_mon + 1;
1361         c->day = tm.tm_mday;
1362
1363         /* Now see if a date was specified */
1364         if (havebstr("year")) c->year = ibstr("year");
1365         if (havebstr("month")) c->month = ibstr("month");
1366         if (havebstr("day")) c->day = ibstr("day");
1367
1368         /* How would you like that cooked? */
1369         if (havebstr("calview")) {
1370                 strcpy(calview, bstr("calview"));
1371         }
1372         else {
1373                 strcpy(calview, "month");
1374         }
1375
1376         /* Display the selected view */
1377         if (!strcasecmp(calview, "day")) {
1378                 c->view = calview_day;
1379         }
1380         else if (!strcasecmp(calview, "week")) {
1381                 c->view = calview_week;
1382         }
1383         else if (!strcasecmp(calview, "summary")) {     /* shouldn't ever happen, but just in case */
1384                 c->view = calview_day;
1385         }
1386         else {
1387                 if (WC->wc_view == VIEW_CALBRIEF) {
1388                         c->view = calview_brief;
1389                 }
1390                 else {
1391                         c->view = calview_month;
1392                 }
1393         }
1394
1395         /* Now try and set the lower and upper bounds so that we don't
1396          * burn too many cpu cycles parsing data way in the past or future
1397          */
1398
1399         tm.tm_year = c->year - 1900;
1400         tm.tm_mon = c->month - 1;
1401         tm.tm_mday = c->day;
1402         now = mktime(&tm);
1403
1404         if (c->view == calview_month)   span = 3888000;
1405         if (c->view == calview_brief)   span = 3888000;
1406         if (c->view == calview_week)    span = 604800;
1407         if (c->view == calview_day)     span = 86400;
1408         if (c->view == calview_summary) span = 86400;
1409
1410         c->lower_bound = now - span;
1411         c->upper_bound = now + span;
1412 }
1413
1414
1415
1416 /*
1417  * Render a calendar view from data previously loaded into memory
1418  */
1419 void render_calendar_view(struct calview *c)
1420 {
1421         if (c->view == calview_day) {
1422                 calendar_day_view(c->year, c->month, c->day);
1423         }
1424         else if (c->view == calview_week) {
1425                 calendar_week_view(c->year, c->month, c->day);
1426         }
1427         else {
1428                 if (WC->wc_view == VIEW_CALBRIEF) {
1429                         calendar_brief_month_view(c->year, c->month, c->day);
1430                 }
1431                 else {
1432                         calendar_month_view(c->year, c->month, c->day);
1433                 }
1434         }
1435
1436         /* Free the in-memory list of calendar items */
1437         DeleteHash(&WC->disp_cal_items);
1438 }
1439
1440
1441 /*
1442  * Helper function for do_tasks_view().  Returns the due date/time of a vtodo.
1443  */
1444 time_t get_task_due_date(icalcomponent *vtodo) {
1445         icalproperty *p;
1446
1447         if (vtodo == NULL) {
1448                 return(0L);
1449         }
1450
1451         /*
1452          * If we're looking at a fully encapsulated VCALENDAR
1453          * rather than a VTODO component, recurse into the data
1454          * structure until we get a VTODO.
1455          */
1456         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
1457                 return get_task_due_date(
1458                         icalcomponent_get_first_component(
1459                                 vtodo, ICAL_VTODO_COMPONENT
1460                                 )
1461                         );
1462         }
1463
1464         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
1465         if (p != NULL) {
1466                 return(icaltime_as_timet(icalproperty_get_due(p)));
1467         }
1468         else {
1469                 return(0L);
1470         }
1471 }
1472
1473
1474 /*
1475  * Compare the due dates of two tasks (this is for sorting)
1476  */
1477 int task_due_cmp(const void *vtask1, const void *vtask2) {
1478         disp_cal * Task1 = (disp_cal *)GetSearchPayload(vtask1);
1479         disp_cal * Task2 = (disp_cal *)GetSearchPayload(vtask2);
1480
1481         time_t t1;
1482         time_t t2;
1483
1484         t1 =  get_task_due_date(Task1->cal);
1485         t2 =  get_task_due_date(Task2->cal);
1486         if (t1 < t2) return(-1);
1487         if (t1 > t2) return(1);
1488         return(0);
1489 }
1490
1491 /*
1492  * qsort filter to move completed tasks to bottom of task list
1493  */
1494 int task_completed_cmp(const void *vtask1, const void *vtask2) {
1495         disp_cal * Task1 = (disp_cal *)GetSearchPayload(vtask1);
1496 /*      disp_cal * Task2 = (disp_cal *)GetSearchPayload(vtask2); */
1497
1498         icalproperty_status t1 = icalcomponent_get_status((Task1)->cal);
1499         /* icalproperty_status t2 = icalcomponent_get_status(((struct disp_cal *)task2)->cal); */
1500
1501         if (t1 == ICAL_STATUS_COMPLETED)
1502                 return 1;
1503         return 0;
1504 }
1505
1506
1507
1508 /*
1509  * do the whole task view stuff
1510  */
1511 void do_tasks_view(void) {
1512         long hklen;
1513         const char *HashKey;
1514         void *vCal;
1515         disp_cal *Cal;
1516         HashPos *Pos;
1517         int nItems;
1518         time_t due;
1519         char buf[SIZ];
1520         icalproperty *p;
1521         wcsession *WCC = WC;
1522
1523         wprintf("<div class=\"fix_scrollbar_bug\">"
1524                 "<table class=\"calendar_view_background\"><tbody id=\"taskview\">\n<tr>\n"
1525                 "<th>");
1526         wprintf(_("Completed?"));
1527         wprintf("</th><th>");
1528         wprintf(_("Name of task"));
1529         wprintf("</th><th>");
1530         wprintf(_("Date due"));
1531         wprintf("</th><th>");
1532         wprintf(_("Category"));
1533         wprintf(" (<select id=\"selectcategory\"><option value=\"showall\">%s</option></select>)</th></tr>\n",
1534                 _("Show All"));
1535
1536         nItems = GetCount(WC->disp_cal_items);
1537
1538         /* Sort them if necessary
1539         if (nItems > 1) {
1540                 SortByPayload(WC->disp_cal_items, task_due_cmp);
1541         }
1542         * this shouldn't be neccessary, since we sort by the start time.
1543         */
1544
1545         /* And then again, by completed */
1546         if (nItems > 1) {
1547                 SortByPayload(WC->disp_cal_items,
1548                               task_completed_cmp);
1549         }
1550
1551         Pos = GetNewHashPos(WCC->disp_cal_items, 0);
1552         while (GetNextHashPos(WCC->disp_cal_items, Pos, &hklen, &HashKey, &vCal)) {
1553                 icalproperty_status todoStatus;
1554
1555                 Cal = (disp_cal*)vCal;
1556                 wprintf("<tr><td>");
1557                 todoStatus = icalcomponent_get_status(Cal->cal);
1558                 wprintf("<input type=\"checkbox\" name=\"completed\" value=\"completed\" ");
1559                 if (todoStatus == ICAL_STATUS_COMPLETED) {
1560                         wprintf("checked=\"checked\" ");
1561                 }
1562                 wprintf("disabled=\"disabled\">\n</td><td>");
1563                 p = icalcomponent_get_first_property(Cal->cal,
1564                         ICAL_SUMMARY_PROPERTY);
1565                 wprintf("<a href=\"display_edit_task?msgnum=%ld?taskrm=", Cal->cal_msgnum);
1566                 urlescputs(ChrPtr(WC->wc_roomname));
1567                 wprintf("\">");
1568                 /* wprintf("<img align=middle "
1569                 "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;"); */
1570                 if (p != NULL) {
1571                         escputs((char *)icalproperty_get_comment(p));
1572                 }
1573                 wprintf("</a>\n");
1574                 wprintf("</td>\n");
1575
1576                 due = get_task_due_date(Cal->cal);
1577                 wprintf("<td><span");
1578                 if (due > 0) {
1579                         webcit_fmt_date(buf, due, 0);
1580                         wprintf(">%s",buf);
1581                 }
1582                 else {
1583                         wprintf(">");
1584                 }
1585                 wprintf("</span></td>");
1586                 wprintf("<td>");
1587                 p = icalcomponent_get_first_property(Cal->cal,
1588                         ICAL_CATEGORIES_PROPERTY);
1589                 if (p != NULL) {
1590                         escputs((char *)icalproperty_get_categories(p));
1591                 }
1592                 wprintf("</td>");
1593                 wprintf("</tr>");
1594         }
1595
1596         wprintf("</tbody></table></div>\n");
1597
1598         /* Free the list */
1599         DeleteHash(&WC->disp_cal_items);
1600         DeleteHashPos(&Pos);
1601 }
1602