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         int weekstart = 0;
  23         char weekstart_buf[16];
  24         char url[256];
  25         char div_id[256];
  26         char escaped_urlformat[256];
  27
  28         snprintf(div_id, sizeof div_id, "mini_calendar_%d", rand() );
  29
  30         /* Determine what day to start.
  31         */
  32         get_preference("weekstart", weekstart_buf, sizeof weekstart_buf);
  33         weekstart = atoi(weekstart_buf);
  34
  35         /*
  36         * Now back up to the 1st of the month...
  37         */
  38         memset(&starting_tm, 0, sizeof(struct tm));
  39
  40         starting_tm.tm_year = year - 1900;
  41         starting_tm.tm_mon = month - 1;
  42         starting_tm.tm_mday = 1;
  43         thetime = mktime(&starting_tm);
  44
  45         memcpy(&tm, &starting_tm, sizeof(struct tm));
  46         while (tm.tm_mday != 1) {
  47                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
  48                 localtime_r(&thetime, &tm);
  49         }
  50
  51         /** Determine previous and next months ... for links */
  52         previous_month = thetime - (time_t)864000L;     /* back 10 days */
  53         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
  54
  55         /** Now back up until we're on the user's preferred start day */
  56         localtime_r(&thetime, &tm);
  57         while (tm.tm_wday != weekstart) {
  58                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
  59                 localtime_r(&thetime, &tm);
  60         }
  61
  62         wprintf("<div class=\"mini_calendar\" id=\"%s\">\n", div_id);
  63
  64         /* Previous month link */
  65         localtime_r(&previous_month, &tm);
  66         wprintf("<a href=\"javascript:minical_change_month(%d,%d);\">&laquo;</a>",
  67                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
  68
  69         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
  70         wprintf("&nbsp;&nbsp;"
  71                 "<span class=\"mini_calendar_month_label\">"
  72                 "%s %d"
  73                 "</span>"
  74                 "&nbsp;&nbsp;", colheader_label, year);
  75
  76         /* Next month link */
  77         localtime_r(&next_month, &tm);
  78         wprintf("<a href=\"javascript:minical_change_month(%d,%d);\">&raquo;</a>",
  79                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
  80
  81         wprintf("<table border=0 cellpadding=1 cellspacing=1 class=\"mini_calendar_days\">"
  82                 "<tr>");
  83         colheader_time = thetime;
  84         for (i=0; i<7; ++i) {
  85                 colheader_time = thetime + (i * 86400) ;
  86                 localtime_r(&colheader_time, &colheader_tm);
  87                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
  88                 wprintf("<th>%c</th>", colheader_label[0]);
  89
  90         }
  91         wprintf("</tr>\n");
  92
  93
  94         /** Now do 35 or 42 days */
  95         for (i = 0; i < 42; ++i) {
  96                 localtime_r(&thetime, &tm);
  97
  98                 if (i < 35) {
  99
 100                         /** Before displaying Sunday, start a new row */
 101                         if ((i % 7) == 0) {
 102                                 wprintf("<tr>");
 103                         }
 104
 105                         if (tm.tm_mon == month-1) {
 106                                 snprintf(url, sizeof url, urlformat,
 107                                         tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday);
 108                                 wprintf("<td><a href=\"%s\">%d</a></td>", url, tm.tm_mday);
 109                         }
 110                         else {
 111                                 wprintf("<td> </td>");
 112                         }
 113
 114                         /** After displaying one week, end the row */
 115                         if ((i % 7) == 6) {
 116                                 wprintf("</tr>\n");
 117                         }
 118
 119                 }
 120
 121                 thetime += (time_t)86400;               /** ahead 24 hours */
 122         }
 123
 124         wprintf("</table>"                      /** end of inner table */
 125                 "</div>\n");
 126
 127         /* javascript for previous and next month */
 128         len = strlen(urlformat);
 129         for (i=0; i<len; ++i) {
 130                 sprintf(&escaped_urlformat[i*2], "%02X", urlformat[i]);
 131         }
 132
 133         wprintf("<script type=\"text/javascript\">                                                      "
 134                 "       function minical_change_month(year, month) {                                    "
 135                 "               p = 'year=' + year + '&month=' + month                                  "
 136                 "                       + '&urlformat=%s&r=' + CtdlRandomString();                      "
 137                 "               new Ajax.Updater('%s', 'mini_calendar',                                 "
 138                 "                       { method: 'get', parameters: p, evalScripts: true } );          "
 139                 "       }                                                                               "
 140                 "</script>\n"
 141                 ,
 142                 escaped_urlformat, div_id
 143                 );
 144
 145 }
 146
 147 /* ajax embedder for the above mini calendar */
 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         int i;
 171         icalproperty *p = NULL;
 172         icalproperty *q = NULL;
 173         struct icaltimetype t;
 174         struct icaltimetype end_t;
 175         struct icaltimetype today_start_t;
 176         struct icaltimetype today_end_t;
 177         struct tm starting_tm;
 178         struct tm ending_tm;
 179         int all_day_event = 0;
 180         int show_event = 0;
 181         char buf[256];
 182         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 183         struct disp_cal *Cal;
 184         time_t tt;
 185
 186         if (WCC->num_cal == 0) {
 187                 wprintf("<br /><br /><br />\n");
 188                 return;
 189         }
 190
 191         /* Create an imaginary event which spans the 24 hours of today.  Any events which
 192          * overlap with this one take place at least partially in this day.  We have to
 193          * convert it from a struct tm in order to make it UTC.
 194          */
 195         memset(&starting_tm, 0, sizeof(struct tm));
 196         starting_tm.tm_year = year - 1900;
 197         starting_tm.tm_mon = month - 1;
 198         starting_tm.tm_mday = day;
 199         starting_tm.tm_hour = 0;
 200         starting_tm.tm_min = 0;
 201         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 202         today_start_t.is_utc = 1;
 203
 204         memset(&ending_tm, 0, sizeof(struct tm));
 205         ending_tm.tm_year = year - 1900;
 206         ending_tm.tm_mon = month - 1;
 207         ending_tm.tm_mday = day;
 208         ending_tm.tm_hour = 23;
 209         ending_tm.tm_min = 59;
 210         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 211         today_end_t.is_utc = 1;
 212
 213         /* Now loop through our list of events to see which ones occur today.
 214          */
 215         for (i=0; i<(WCC->num_cal); ++i) {
 216                 Cal = &WCC->disp_cal[i];
 217                 all_day_event = 0;
 218                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 219                 if (q != NULL) {
 220                         t = icalproperty_get_dtstart(q);
 221                 }
 222                 else {
 223                         memset(&t, 0, sizeof t);
 224                 }
 225                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 226                 if (q != NULL) {
 227                         end_t = icalproperty_get_dtend(q);
 228                 }
 229                 else {
 230                         memset(&end_t, 0, sizeof end_t);
 231                 }
 232                 if (t.is_date) all_day_event = 1;
 233
 234                 if (all_day_event)
 235                 {
 236                         show_event = ((t.year == year) && (t.month == month) && (t.day == day));
 237                 }
 238                 else
 239                 {
 240                         show_event = ical_ctdl_is_overlap(t, end_t, today_start_t, today_end_t);
 241                 }
 242
 243                 /* If we determined that this event occurs today, then display it.
 244                  */
 245                 if (show_event) {
 246                         p = icalcomponent_get_first_property(Cal->cal, ICAL_SUMMARY_PROPERTY);
 247                         if (p != NULL) {
 248
 249                                 if (all_day_event) {
 250                                         wprintf("<table border=0 cellpadding=2><TR>"
 251                                                 "<td bgcolor=\"#CCCCDD\">"
 252                                                 );
 253                                 }
 254
 255                                 wprintf("<font size=-1>"
 256                                         "<a class=\"event%s\" href=\"display_edit_event?"
 257                                         "msgnum=%ld&calview=month&year=%d&month=%d&day=%d\""
 258                                         " btt_tooltext=\"",
 259                                         (Cal->unread)?"_unread":"_read",
 260                                         WC->disp_cal[i].cal_msgnum,
 261                                         year, month, day
 262                                         );
 263
 264                                 wprintf("<i>%s: %s</i><br />", _("From"), Cal->from);
 265                                 wprintf("<i>%s</i> ",          _("Summary:"));
 266                                 escputs((char *)icalproperty_get_comment(p));
 267                                 wprintf("<br />");
 268
 269                                 q = icalcomponent_get_first_property(
 270                                         WC->disp_cal[i].cal,
 271                                         ICAL_LOCATION_PROPERTY);
 272                                 if (q) {
 273                                         wprintf("<i>%s</i> ", _("Location:"));
 274                                         escputs((char *)icalproperty_get_comment(q));
 275                                         wprintf("<br />");
 276                                 }
 277
 278                                 /**
 279                                  * Only show start/end times if we're actually looking at the VEVENT
 280                                  * component.  Otherwise it shows bogus dates for e.g. timezones
 281                                  */
 282                                 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
 283
 284                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
 285                                         if (q != NULL) {
 286                                                 t = icalproperty_get_dtstart(q);
 287
 288                                                 if (t.is_date) {
 289                                                         struct tm d_tm;
 290                                                         char d_str[32];
 291                                                         memset(&d_tm, 0, sizeof d_tm);
 292                                                         d_tm.tm_year = t.year - 1900;
 293                                                         d_tm.tm_mon = t.month - 1;
 294                                                         d_tm.tm_mday = t.day;
 295                                                         wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 296                                                         wprintf("<i>%s</i> %s<br>",
 297                                                                 _("Date:"), d_str);
 298                                                 }
 299                                                 else {
 300                                                         tt = icaltime_as_timet(t);
 301                                                         webcit_fmt_date(buf, tt, 1);
 302                                                         wprintf("<i>%s</i> %s<br>",
 303                                                                 _("Starting date/time:"), buf);
 304
 305                                                         /* Embed the 'show end date/time' loop inside here so it
 306                                                          * only executes if this is NOT an all day event.
 307                                                          */
 308                                                         q = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
 309                                                         if (q != NULL) {
 310                                                                 t = icalproperty_get_dtend(q);
 311                                                                 tt = icaltime_as_timet(t);
 312                                                                 webcit_fmt_date(buf, tt, 1);
 313                                                                 wprintf("<i>%s</i> %s<br>", _("Ending date/time:"), buf);
 314                                                         }
 315
 316                                                 }
 317                                         }
 318
 319                                 }
 320
 321                                 q = icalcomponent_get_first_property(Cal->cal, ICAL_DESCRIPTION_PROPERTY);
 322                                 if (q) {
 323                                         wprintf("<i>%s</i> ", _("Notes:"));
 324                                         escputs((char *)icalproperty_get_comment(q));
 325                                         wprintf("<br />");
 326                                 }
 327
 328                                 wprintf("\">");
 329                                 escputs((char *)
 330                                         icalproperty_get_comment(p));
 331                                 wprintf("</a></font><br />\n");
 332
 333                                 if (all_day_event) {
 334                                         wprintf("</td></tr></table>");
 335                                 }
 336
 337                         }
 338
 339                 }
 340
 341
 342         }
 343 }
 344
 345
 346 /**
 347  * \brief Display one day of a whole month view of a calendar
 348  * \param thetime the month we want to see
 349  */
 350 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 351         int i;
 352         time_t event_tt;
 353         time_t event_tts;
 354         time_t event_tte;
 355         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 356         struct tm event_tms;
 357         struct tm event_tme;
 358         struct tm today_tm;
 359         icalproperty *p;
 360         icalproperty *e;
 361         struct icaltimetype t;
 362         struct disp_cal *Cal;
 363         int month, day, year;
 364         int all_day_event = 0;
 365         char *timeformat;
 366         int time_format;
 367
 368         time_format = get_time_format_cached ();
 369
 370         if (time_format == WC_TIMEFORMAT_24) timeformat="%k:%M";
 371         else timeformat="%I:%M %p";
 372
 373         localtime_r(&thetime, &today_tm);
 374         month = today_tm.tm_mon + 1;
 375         day = today_tm.tm_mday;
 376         year = today_tm.tm_year + 1900;
 377
 378         for (i=0; i<(WC->num_cal); ++i) {
 379                 Cal = &WCC->disp_cal[i];
 380                 p = icalcomponent_get_first_property(Cal->cal,
 381                         ICAL_DTSTART_PROPERTY);
 382                 if (p != NULL) {
 383                         t = icalproperty_get_dtstart(p);
 384                         event_tt = icaltime_as_timet(t);
 385                         event_tts=event_tt;
 386                         if (t.is_date) all_day_event = 1;
 387                         else all_day_event = 0;
 388
 389                         if (all_day_event) {
 390                                 gmtime_r(&event_tts, &event_tms);
 391                         }
 392                         else {
 393                                 localtime_r(&event_tts, &event_tms);
 394                         }
 395                         /** \todo epoch &! daymask */
 396                         if ((event_tms.tm_year == today_tm.tm_year)
 397                                 && (event_tms.tm_mon == today_tm.tm_mon)
 398                         && (event_tms.tm_mday == today_tm.tm_mday)) {
 399
 400
 401                         char sbuf[255];
 402                         char ebuf[255];
 403
 404                         p = icalcomponent_get_first_property(
 405                                 WC->disp_cal[i].cal,
 406                                 ICAL_SUMMARY_PROPERTY);
 407                         e = icalcomponent_get_first_property(
 408                                 WC->disp_cal[i].cal,
 409                                 ICAL_DTEND_PROPERTY);
 410                         if ((p != NULL) && (e != NULL)) {
 411                                 time_t difftime;
 412                                 int hours, minutes;
 413                                 t = icalproperty_get_dtend(e);
 414                                 event_tte = icaltime_as_timet(t);
 415                                 localtime_r(&event_tte, &event_tme);
 416                                 difftime=(event_tte-event_tts)/60;
 417                                 hours=(int)(difftime / 60);
 418                                 minutes=difftime % 60;
 419                                 wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 420                                         "<font size=-1>"
 421                                         "<a class=\"event%s\" href=\"display_edit_event?msgnum=%ld&calview=calbrief&year=%s&month=%s&day=%s\">",
 422                                         daycolor,
 423                                         hours, minutes,
 424                                         (Cal->unread)?"_unread":"_read",
 425                                         daycolor,
 426                                         WC->disp_cal[i].cal_msgnum,
 427                                         bstr("year"),
 428                                         bstr("month"),
 429                                         bstr("day")
 430                                         );
 431
 432                                 escputs((char *)
 433                                         icalproperty_get_comment(p));
 434                                 /** \todo: allso ammitime format */
 435                                 wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 436                                 wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 437
 438                                 wprintf("</a></font></td>"
 439                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 440                                         daycolor,
 441                                         sbuf,
 442                                         daycolor,
 443                                         ebuf);
 444
 445                         }
 446
 447                         }
 448
 449
 450                 }
 451         }
 452 }
 453
 454
 455 /**
 456  * \brief view one month. pretty view
 457  * \param year the year
 458  * \param month the month
 459  * \param day the actual day we want to see
 460  */
 461 void calendar_month_view(int year, int month, int day) {
 462         struct tm starting_tm;
 463         struct tm tm;
 464         time_t thetime;
 465         int i;
 466         time_t previous_month;
 467         time_t next_month;
 468         time_t colheader_time;
 469         struct tm colheader_tm;
 470         char colheader_label[32];
 471         int chg_month = 0;
 472         int weekstart = 0;
 473         char weekstart_buf[16];
 474
 475         /* Determine what day to start.
 476          */
 477         get_preference("weekstart", weekstart_buf, sizeof weekstart_buf);
 478         weekstart = atoi(weekstart_buf);
 479
 480         /*
 481          * Now back up to the 1st of the month...
 482          */
 483         memset(&starting_tm, 0, sizeof(struct tm));
 484
 485         starting_tm.tm_year = year - 1900;
 486         starting_tm.tm_mon = month - 1;
 487         starting_tm.tm_mday = day;
 488         thetime = mktime(&starting_tm);
 489
 490         memcpy(&tm, &starting_tm, sizeof(struct tm));
 491         while (tm.tm_mday != 1) {
 492                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 493                 localtime_r(&thetime, &tm);
 494         }
 495
 496         /** Determine previous and next months ... for links */
 497         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 498         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 499
 500         /** Now back up until we're on the user's preferred start day */
 501         localtime_r(&thetime, &tm);
 502         while (tm.tm_wday != weekstart) {
 503                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 504                 localtime_r(&thetime, &tm);
 505         }
 506
 507         /** Outer table (to get the background color) */
 508         wprintf("<div class=\"fix_scrollbar_bug\">"
 509                 "<table class=\"calendar\"> \n <tr><td>");
 510
 511         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 512
 513         wprintf("<td align=center>");
 514
 515         localtime_r(&previous_month, &tm);
 516         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 517                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 518         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 519
 520         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 521         wprintf("&nbsp;&nbsp;"
 522                 "<font size=+1 color=\"#FFFFFF\">"
 523                 "%s %d"
 524                 "</font>"
 525                 "&nbsp;&nbsp;", colheader_label, year);
 526
 527         localtime_r(&next_month, &tm);
 528         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 529                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 530         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 531
 532         wprintf("</td></tr></table>\n");
 533
 534         /** Inner table (the real one) */
 535         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 536                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 537         colheader_time = thetime;
 538         for (i=0; i<7; ++i) {
 539                 colheader_time = thetime + (i * 86400) ;
 540                 localtime_r(&colheader_time, &colheader_tm);
 541                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 542                 wprintf("<th align=center width=14%%>"
 543                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 544
 545         }
 546         wprintf("</tr>\n");
 547
 548
 549         /** Now do 35 or 42 days */
 550         for (i = 0; i < 42; ++i) {
 551                 localtime_r(&thetime, &tm);
 552
 553                 if ((i < 35) || (chg_month == 0)) {
 554
 555                         if ((i > 27) && ((tm.tm_mday == 1) || (tm.tm_mday == 31))) {
 556                                 chg_month = 1;
 557                         }
 558                         if (i > 35) {
 559                                 chg_month = 0;
 560                         }
 561
 562                         /** Before displaying Sunday, start a new row */
 563                         if ((i % 7) == 0) {
 564                                 wprintf("<tr>");
 565                         }
 566
 567                         wprintf("<td class=\"cal%s\"><div class=\"day\">",
 568                                 ((tm.tm_mon != month-1) ? "out" :
 569                                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "weekend" :
 570                                                 "day"))
 571                                 );
 572                         if ((i==0) || (tm.tm_mday == 1)) {
 573                                 wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 574                                 wprintf("%s ", colheader_label);
 575                         }
 576                         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">"
 577                                 "%d</a></div>",
 578                                 tm.tm_year + 1900,
 579                                 tm.tm_mon + 1,
 580                                 tm.tm_mday,
 581                                 tm.tm_mday);
 582
 583                         /** put the data here, stupid */
 584                         calendar_month_view_display_events(
 585                                 tm.tm_year + 1900,
 586                                 tm.tm_mon + 1,
 587                                 tm.tm_mday
 588                                 );
 589
 590                         wprintf("</td>");
 591
 592                         /** After displaying Saturday, end the row */
 593                         if ((i % 7) == 6) {
 594                                 wprintf("</tr>\n");
 595                         }
 596
 597                 }
 598
 599                 thetime += (time_t)86400;               /** ahead 24 hours */
 600         }
 601
 602         wprintf("</table>"                      /** end of inner table */
 603                 "</td></tr></table>"            /** end of outer table */
 604                 "</div>\n");
 605
 606         /**
 607          * Initialize the bubble tooltips.
 608          *
 609          * Yes, this is as stupid as it looks.  Instead of just making the call
 610          * to btt_enableTooltips() straight away, we have to create a timer event
 611          * and let it initialize as an event after 1 millisecond.  This is to
 612          * work around a bug in Internet Explorer that causes it to crash if we
 613          * manipulate the innerHTML of various DOM nodes while the page is still
 614          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 615          * for more information.
 616          */
 617         wprintf("<script type=\"text/javascript\">"
 618                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); "
 619                 "</script>\n"
 620         );
 621 }
 622
 623 /**
 624  * \brief view one month. brief view
 625  * \param year the year
 626  * \param month the month
 627  * \param day the actual day we want to see
 628  */
 629 void calendar_brief_month_view(int year, int month, int day) {
 630         struct tm starting_tm;
 631         struct tm tm;
 632         time_t thetime;
 633         int i;
 634         time_t previous_month;
 635         time_t next_month;
 636         char month_label[32];
 637
 638         /** Determine what day to start.
 639          * First, back up to the 1st of the month...
 640          */
 641         memset(&starting_tm, 0, sizeof(struct tm));
 642         starting_tm.tm_year = year - 1900;
 643         starting_tm.tm_mon = month - 1;
 644         starting_tm.tm_mday = day;
 645         thetime = mktime(&starting_tm);
 646
 647         memcpy(&tm, &starting_tm, sizeof(struct tm));
 648         while (tm.tm_mday != 1) {
 649                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 650                 localtime_r(&thetime, &tm);
 651         }
 652
 653         /** Determine previous and next months ... for links */
 654         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 655         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 656
 657         /** Now back up until we're on a Sunday */
 658         localtime_r(&thetime, &tm);
 659         while (tm.tm_wday != 0) {
 660                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 661                 localtime_r(&thetime, &tm);
 662         }
 663
 664         /** Outer table (to get the background color) */
 665         wprintf("<div class=\"fix_scrollbar_bug\">"
 666                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 667                 "bgcolor=#204B78><TR><TD>\n");
 668
 669         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 670
 671         wprintf("<td align=center>");
 672
 673         localtime_r(&previous_month, &tm);
 674         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 675                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 676         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 677
 678         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 679         wprintf("&nbsp;&nbsp;"
 680                 "<font size=+1 color=\"#FFFFFF\">"
 681                 "%s %d"
 682                 "</font>"
 683                 "&nbsp;&nbsp;", month_label, year);
 684
 685         localtime_r(&next_month, &tm);
 686         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 687                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 688         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 689
 690         wprintf("</td></tr></table>\n");
 691
 692         /** Inner table (the real one) */
 693         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 694                 "bgcolor=#EEEECC><TR>");
 695         wprintf("</tr>\n");
 696         wprintf("<tr><td colspan=\"100%\">\n");
 697
 698         /** Now do 35 days */
 699         for (i = 0; i < 35; ++i) {
 700                 char weeknumber[255];
 701                 char weekday_name[32];
 702                 char *daycolor;
 703                 localtime_r(&thetime, &tm);
 704
 705
 706                 /** Before displaying Sunday, start a new CELL */
 707                 if ((i % 7) == 0) {
 708                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 709                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%'> <tr><th colspan='4'>%s %s</th></tr>"
 710                                 "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 711                                 _("Week"),
 712                                 weeknumber,
 713                                 _("Hours"),
 714                                 _("Subject"),
 715                                 _("Start"),
 716                                 _("End")
 717                                 );
 718                 }
 719
 720                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 721                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 722                                 "FFFFFF"));
 723
 724                 /** Day Header */
 725                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 726                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 727                         "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 728                         daycolor,
 729                         weekday_name,tm.tm_mday,
 730                         daycolor);
 731
 732                 /** put the data of one day  here, stupid */
 733                 calendar_month_view_brief_events(thetime, daycolor);
 734
 735
 736                 /** After displaying Saturday, end the row */
 737                 if ((i % 7) == 6) {
 738                         wprintf("</td></tr></table>\n");
 739                 }
 740
 741                 thetime += (time_t)86400;               /** ahead 24 hours */
 742         }
 743
 744         wprintf("</table>"                      /** end of inner table */
 745                 "</td></tr></table>"            /** end of outer table */
 746                 "</div>\n");
 747 }
 748
 749 /**
 750  * \brief view one week
 751  * this should view just one week, but it's not here yet.
 752  * \todo ny implemented
 753  * \param year the year
 754  * \param month the month
 755  * \param day the day which we want to see the week around
 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  * \brief display one day
 764  * Display events for a particular hour of a particular day.
 765  * (Specify hour < 0 to show "all day" events)
 766  * \param year the year
 767  * \param month the month
 768  * \param day the day
 769  * \param hour the hour we want to start displaying
 770  * \param dstart daystart
 771  * \param dend dayend
 772  */
 773 void calendar_day_view_display_events(time_t thetime,
 774         int year,
 775         int month,
 776         int day,
 777         int notime_events,
 778         int dstart,
 779         int dend)
 780 {
 781         int i;
 782         icalproperty *p = NULL;
 783         icalproperty *q = NULL;
 784         time_t event_tt;
 785         time_t event_tte;
 786         struct tm event_te;
 787         struct tm event_tm;
 788         int show_event = 0;
 789         int all_day_event = 0;
 790         int ongoing_event = 0;
 791         struct wcsession *WCC = WC;     /* This is done to make it run faster; WC is a function */
 792         struct disp_cal *Cal;
 793         struct icaltimetype t;
 794         struct icaltimetype end_t;
 795         struct icaltimetype today_start_t;
 796         struct icaltimetype today_end_t;
 797         struct tm starting_tm;
 798         struct tm ending_tm;
 799         int top = 0;
 800         int bottom = 0;
 801         int gap = 1;
 802         int startmin = 0;
 803         int diffmin = 0;
 804         int endmin = 0;
 805
 806         char buf[256];
 807         struct tm d_tm;
 808         char d_str[32];
 809
 810         if (WCC->num_cal == 0) {
 811                 /* nothing to display */
 812                 return;
 813         }
 814
 815         /* Create an imaginary event which spans the current day.  Any events which
 816          * overlap with this one take place at least partially in this day.
 817          */
 818         memset(&starting_tm, 0, sizeof(struct tm));
 819         starting_tm.tm_year = year - 1900;
 820         starting_tm.tm_mon = month - 1;
 821         starting_tm.tm_mday = day;
 822         starting_tm.tm_hour = 0;
 823         starting_tm.tm_min = 0;
 824         today_start_t = icaltime_from_timet_with_zone(mktime(&starting_tm), 0, icaltimezone_get_utc_timezone());
 825         today_start_t.is_utc = 1;
 826
 827         memset(&ending_tm, 0, sizeof(struct tm));
 828         ending_tm.tm_year = year - 1900;
 829         ending_tm.tm_mon = month - 1;
 830         ending_tm.tm_mday = day;
 831         ending_tm.tm_hour = 23;
 832         ending_tm.tm_min = 59;
 833         today_end_t = icaltime_from_timet_with_zone(mktime(&ending_tm), 0, icaltimezone_get_utc_timezone());
 834         today_end_t.is_utc = 1;
 835
 836         /* Now loop through our list of events to see which ones occur today.
 837          */
 838         for (i=0; i<(WCC->num_cal); ++i) {
 839                 Cal = &WCC->disp_cal[i];
 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 }
1036
1037 /**
1038  * \brief view one day
1039  * \param year the year
1040  * \param month the month
1041  * \param day the day we want to display
1042  */
1043 void calendar_day_view(int year, int month, int day) {
1044         int hour;
1045         struct icaltimetype today, yesterday, tomorrow;
1046         int daystart = 8;
1047         int dayend = 17;
1048         char daystart_str[16], dayend_str[16];
1049         struct tm d_tm;
1050         char d_str[128];
1051         int time_format;
1052         time_t today_t;
1053         int timeline = 30;
1054         int extratimeline = 0;
1055         int gap = 0;
1056
1057         time_format = get_time_format_cached ();
1058         get_preference("daystart", daystart_str, sizeof daystart_str);
1059         if (!IsEmptyStr(daystart_str)) daystart = atoi(daystart_str);
1060         get_preference("dayend", dayend_str, sizeof dayend_str);
1061         if (!IsEmptyStr(dayend_str)) dayend = atoi(dayend_str);
1062
1063         /** Today's date */
1064         memset(&d_tm, 0, sizeof d_tm);
1065         d_tm.tm_year = year - 1900;
1066         d_tm.tm_mon = month - 1;
1067         d_tm.tm_mday = day;
1068         today_t = mktime(&d_tm);
1069
1070         /** Figure out the dates for "yesterday" and "tomorrow" links */
1071
1072         memset(&today, 0, sizeof(struct icaltimetype));
1073         today.year = year;
1074         today.month = month;
1075         today.day = day;
1076         today.is_date = 1;
1077
1078         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
1079         --yesterday.day;
1080         yesterday = icaltime_normalize(yesterday);
1081
1082         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
1083         ++tomorrow.day;
1084         tomorrow = icaltime_normalize(tomorrow);
1085
1086         wprintf("<div class=\"fix_scrollbar_bug\">");
1087
1088         /** Inner table (the real one) */
1089         wprintf("<table class=\"calendar\" id=\"inner_day\"><tr> \n");
1090
1091         /** Innermost cell (contains hours etc.) */
1092         wprintf("<td class=\"events_of_the_day\" >");
1093         wprintf("<dl class=\"events\" >");
1094
1095         /** Now the middle of the day... */
1096
1097         extratimeline = timeline / 3;
1098
1099         for (hour = 0; hour < daystart; ++hour) {       /* could do HEIGHT=xx */
1100                 wprintf("<dt class=\"extrahour\"        "
1101                         "style=\"               "
1102                         "position: absolute;    "
1103                         "top: %dpx; left: 0px;  "
1104                         "height: %dpx;          "
1105                         "\" >                   "
1106                         "<a href=\"display_edit_event?msgnum=0"
1107                         "&calview=day&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
1108                         (hour * extratimeline ), extratimeline,
1109                         year, month, day, hour
1110                         );
1111
1112                 if (time_format == WC_TIMEFORMAT_24) {
1113                         wprintf("%2d:00</a> ", hour);
1114                 }
1115                 else {
1116                         wprintf("%d:00%s</a> ",
1117                                 (hour <= 12 ? hour : hour-12),
1118                                 (hour < 12 ? "am" : "pm")
1119                                 );
1120                 }
1121
1122                 wprintf("</dt>");
1123         }
1124
1125         gap = daystart * extratimeline;
1126
1127         for (hour = daystart; hour <= dayend; ++hour) {       /* could do HEIGHT=xx */
1128                 wprintf("<dt class=\"hour\"     "
1129                         "style=\"               "
1130                         "position: absolute;    "
1131                         "top: %dpx; left: 0px;  "
1132                         "height: %dpx;          "
1133                         "\" >                   "
1134                         "<a href=\"display_edit_event?msgnum=0&calview=day"
1135                         "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
1136                         gap + ((hour - daystart) * timeline ), timeline,
1137                         year, month, day, hour
1138                         );
1139
1140                 if (time_format == WC_TIMEFORMAT_24) {
1141                         wprintf("%2d:00</a> ", hour);
1142                 }
1143                 else {
1144                         wprintf("%d:00%s</a> ",
1145                                 (hour <= 12 ? hour : hour-12),
1146                                 (hour < 12 ? "am" : "pm")
1147                                                 );
1148                 }
1149
1150                 wprintf("</dt>");
1151         }
1152
1153         gap = gap + ((dayend - daystart + 1) * timeline);
1154
1155         for (hour = (dayend + 1); hour < 24; ++hour) {       /* could do HEIGHT=xx */
1156                 wprintf("<dt class=\"extrahour\"     "
1157                         "style=\"               "
1158                         "position: absolute;    "
1159                         "top: %dpx; left: 0px;  "
1160                         "height: %dpx;          "
1161                         "\" >                   "
1162                         "<a href=\"display_edit_event?msgnum=0&calview=day"
1163                         "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
1164                         gap + ((hour - dayend - 1) * extratimeline ), extratimeline,
1165                         year, month, day, hour
1166                 );
1167
1168                 if (time_format == WC_TIMEFORMAT_24) {
1169                         wprintf("%2d:00</a> ", hour);
1170                 }
1171                 else {
1172                         wprintf("%d:00%s</a> ",
1173                                 (hour <= 12 ? hour : hour-12),
1174                                 (hour < 12 ? "am" : "pm")
1175                         );
1176                 }
1177
1178                 wprintf("</dt>");
1179         }
1180
1181         /* Display events with start and end times on this day */
1182         calendar_day_view_display_events(today_t, year, month, day, 0, daystart, dayend);
1183
1184         wprintf("</dl>");
1185         wprintf("</td>");                       /* end of innermost table */
1186
1187         /** Display extra events (start/end times not present or not today) in the middle column */
1188         wprintf("<td class=\"extra_events\">");
1189
1190         wprintf("<ul>");
1191
1192         /** Display all-day events */
1193         calendar_day_view_display_events(today_t, year, month, day, 1, daystart, dayend);
1194
1195         wprintf("</ul>");
1196
1197         wprintf("</td>");       /** end extra on the middle */
1198
1199         wprintf("<td width=20%% align=center valign=top>");     /** begin stuff-on-the-right */
1200
1201         /** Begin todays-date-with-left-and-right-arrows */
1202         wprintf("<table border=0 width=100%% "
1203                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
1204         wprintf("<tr>");
1205
1206         /** Left arrow */
1207         wprintf("<td align=center>");
1208         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
1209                 yesterday.year, yesterday.month, yesterday.day);
1210         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
1211         wprintf("</td>");
1212
1213         wc_strftime(d_str, sizeof d_str,
1214                 "<td align=center>"
1215                 "<font size=+2>%B</font><br />"
1216                 "<font size=+3>%d</font><br />"
1217                 "<font size=+2>%Y</font><br />"
1218                 "</td>",
1219                 &d_tm
1220                 );
1221         wprintf("%s", d_str);
1222
1223         /** Right arrow */
1224         wprintf("<td align=center>");
1225         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
1226                 tomorrow.year, tomorrow.month, tomorrow.day);
1227         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
1228                 " border=0></a>\n");
1229         wprintf("</td>");
1230
1231         wprintf("</tr></table>\n");
1232         /** End todays-date-with-left-and-right-arrows */
1233
1234         /** Embed a mini month calendar in this space */
1235         wprintf("<br />\n");
1236         embeddable_mini_calendar(year, month, "readfwd?calview=day&year=%d&month=%d&day=%d");
1237
1238         wprintf("</font></center>\n");
1239
1240         wprintf("</td></tr>");                  /** end stuff-on-the-right */
1241
1242         wprintf("</table>"                      /** end of inner table */
1243                 "</div>");
1244
1245         wprintf("<script type=\"text/javascript\">"
1246                 " setTimeout(\"btt_enableTooltips('inner_day')\", 1); "
1247                 "</script>\n"
1248         );
1249 }
1250
1251
1252 /**
1253  * \brief Display today's events.
1254  */
1255 void calendar_summary_view(void) {
1256         int i;
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
1266         if (WC->num_cal == 0) {
1267                 return;
1268         }
1269
1270         now = time(NULL);
1271         localtime_r(&now, &today_tm);
1272
1273         for (i=0; i<(WC->num_cal); ++i) {
1274                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
1275                                                 ICAL_DTSTART_PROPERTY);
1276                 if (p != NULL) {
1277                         t = icalproperty_get_dtstart(p);
1278                         event_tt = icaltime_as_timet(t);
1279                         if (t.is_date) {
1280                                 all_day_event = 1;
1281                         }
1282                         else {
1283                                 all_day_event = 0;
1284                         }
1285                         fmt_time(timestring, event_tt);
1286
1287                         if (all_day_event) {
1288                                 gmtime_r(&event_tt, &event_tm);
1289                         }
1290                         else {
1291                                 localtime_r(&event_tt, &event_tm);
1292                         }
1293
1294                         if ( (event_tm.tm_year == today_tm.tm_year)
1295                                 && (event_tm.tm_mon == today_tm.tm_mon)
1296                         && (event_tm.tm_mday == today_tm.tm_mday)
1297                         ) {
1298
1299
1300                         p = icalcomponent_get_first_property(
1301                                 WC->disp_cal[i].cal,
1302                                 ICAL_SUMMARY_PROPERTY);
1303                         if (p != NULL) {
1304                                 escputs((char *)
1305                                         icalproperty_get_comment(p));
1306                                 wprintf(" (%s)<br />\n", timestring);
1307                         }
1308                         }
1309                 }
1310         }
1311         free_calendar_buffer();
1312 }
1313
1314
1315 /**
1316  * \brief clean up ical memory
1317  * \todo this could get troubel with future ical versions
1318  */
1319 void free_calendar_buffer(void) {
1320         int i;
1321         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
1322                 icalcomponent_free(WC->disp_cal[i].cal);
1323                 free(WC->disp_cal[i].from);
1324         }
1325         WC->num_cal = 0;
1326         free(WC->disp_cal);
1327         WC->disp_cal = NULL;
1328 }
1329
1330
1331
1332 /**
1333  * \brief do the whole calendar page
1334  * view any part of the calender. decide which way, etc.
1335  */
1336 void do_calendar_view(void) {
1337         time_t now;
1338         struct tm tm;
1339         int year, month, day;
1340         char calview[SIZ];
1341
1342         /** In case no date was specified, go with today */
1343         now = time(NULL);
1344         localtime_r(&now, &tm);
1345         year = tm.tm_year + 1900;
1346         month = tm.tm_mon + 1;
1347         day = tm.tm_mday;
1348
1349         /** Now see if a date was specified */
1350         if (havebstr("year")) year = ibstr("year");
1351         if (havebstr("month")) month = ibstr("month");
1352         if (havebstr("day")) day = ibstr("day");
1353
1354         /** How would you like that cooked? */
1355         if (havebstr("calview")) {
1356                 strcpy(calview, bstr("calview"));
1357         }
1358         else {
1359                 strcpy(calview, "month");
1360         }
1361
1362         /** Display the selected view */
1363         if (!strcasecmp(calview, "day")) {
1364                 calendar_day_view(year, month, day);
1365         }
1366         else if (!strcasecmp(calview, "week")) {
1367                 calendar_week_view(year, month, day);
1368         }
1369         else {
1370                 if (WC->wc_view == VIEW_CALBRIEF) {
1371                         calendar_brief_month_view(year, month, day);
1372                 }
1373                 else {
1374                         calendar_month_view(year, month, day);
1375                 }
1376         }
1377
1378         /** Free the calendar stuff */
1379         free_calendar_buffer();
1380
1381 }
1382
1383
1384 /**
1385  * \brief get task due date
1386  * Helper function for do_tasks_view().
1387  * \param vtodo a task to get the due date
1388  * \return the date/time due.
1389  */
1390 time_t get_task_due_date(icalcomponent *vtodo) {
1391         icalproperty *p;
1392
1393         if (vtodo == NULL) {
1394                 return(0L);
1395         }
1396
1397         /**
1398          * If we're looking at a fully encapsulated VCALENDAR
1399          * rather than a VTODO component, recurse into the data
1400          * structure until we get a VTODO.
1401          */
1402         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
1403                 return get_task_due_date(
1404                         icalcomponent_get_first_component(
1405                                 vtodo, ICAL_VTODO_COMPONENT
1406                                 )
1407                         );
1408         }
1409
1410         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
1411         if (p != NULL) {
1412                 return(icaltime_as_timet(icalproperty_get_due(p)));
1413         }
1414         else {
1415                 return(0L);
1416         }
1417 }
1418
1419
1420 /**
1421  * \brief Compare the due dates of two tasks (this is for sorting)
1422  * \param task1 first task to compare
1423  * \param task2 second task to compare
1424  */
1425 int task_due_cmp(const void *task1, const void *task2) {
1426         time_t t1;
1427         time_t t2;
1428
1429         t1 =  get_task_due_date(((struct disp_cal *)task1)->cal);
1430         t2 =  get_task_due_date(((struct disp_cal *)task2)->cal);
1431         if (t1 < t2) return(-1);
1432         if (t1 > t2) return(1);
1433         return(0);
1434 }
1435
1436 /**
1437  * \brief qsort filter to move completed tasks to bottom of task list
1438  */
1439 int task_completed_cmp(const void *task1, const void *task2) {
1440         icalproperty_status t1 = icalcomponent_get_status(((struct disp_cal *)task1)->cal);
1441         // icalproperty_status t2 = icalcomponent_get_status(((struct disp_cal *)task2)->cal);
1442
1443         if (t1 == ICAL_STATUS_COMPLETED)
1444                 return 1;
1445         return 0;
1446 }
1447
1448
1449
1450 /**
1451  * \brief do the whole task view stuff
1452  */
1453 void do_tasks_view(void) {
1454         int i;
1455         time_t due;
1456         char buf[SIZ];
1457         icalproperty *p;
1458         wprintf("<div class=\"fix_scrollbar_bug\">"
1459                 "<table class=\"calendar_view_background\"><tbody id=\"taskview\">\n<tr>\n"
1460                 "<th>");
1461         wprintf(_("Completed?"));
1462         wprintf("</th><th>");
1463         wprintf(_("Name of task"));
1464         wprintf("</th><th>");
1465         wprintf(_("Date due"));
1466         wprintf("</th><th>");
1467         wprintf(_("Category"));
1468         wprintf(" (<select id=\"selectcategory\"><option value=\"showall\">%s</option></select>)</th></tr>\n",
1469                 _("Show All"));
1470
1471         /** Sort them if necessary */
1472         if (WC->num_cal > 1) {
1473                 qsort(WC->disp_cal,
1474                         WC->num_cal,
1475                         sizeof(struct disp_cal),
1476                         task_due_cmp
1477                         );
1478         }
1479         /** And then again, by completed */
1480         if (WC->num_cal > 1) {
1481                 qsort(WC->disp_cal,
1482                         WC->num_cal,
1483                         sizeof(struct disp_cal),
1484                         task_completed_cmp
1485                         );
1486         }
1487
1488         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
1489                 wprintf("<tr><td>");
1490                 icalproperty_status todoStatus = icalcomponent_get_status(WC->disp_cal[i].cal);
1491                 wprintf("<input style=\"text-align: center;\" type=\"checkbox\" name=\"completed\" value=\"completed\" ");
1492                 if (todoStatus == ICAL_STATUS_COMPLETED) {
1493                         wprintf("checked=\"checked\" ");
1494                 }
1495                 wprintf("disabled=\"disabled\">\n</td><td>");
1496                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
1497                         ICAL_SUMMARY_PROPERTY);
1498                 wprintf("<a href=\"display_edit_task?msgnum=%ld&amp;taskrm=",
1499                         WC->disp_cal[i].cal_msgnum );
1500                 urlescputs(WC->wc_roomname);
1501                 wprintf("\">");
1502                 /* wprintf("<img align=middle "
1503                 "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;"); */
1504                 if (p != NULL) {
1505                         escputs((char *)icalproperty_get_comment(p));
1506                 }
1507                 wprintf("</a>\n");
1508                 wprintf("</td>\n");
1509
1510                 due = get_task_due_date(WC->disp_cal[i].cal);
1511                 wprintf("<td><span");
1512                 if (due > 0) {
1513                         webcit_fmt_date(buf, due, 0);
1514                         wprintf(">%s",buf);
1515                 }
1516                 else {
1517                         wprintf(">");
1518                 }
1519                 wprintf("</span></td>");
1520                 wprintf("<td>");
1521                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
1522                         ICAL_CATEGORIES_PROPERTY);
1523                 if (p != NULL) {
1524                         escputs((char *)icalproperty_get_categories(p));
1525                 }
1526                 wprintf("</td>");
1527                 wprintf("</tr>");
1528         }
1529
1530         wprintf("</tbody></table></div>\n");
1531
1532         /** Free the list */
1533         free_calendar_buffer();
1534
1535 }
1536