webcit/calendar_view.c

   1 /*
   2  * $Id$
   3  */
   4 /**
   5  * \defgroup CalHtmlHandles Handles the HTML display of calendar items.
   6  * \ingroup Calendaring
   7  */
   8 /*@{*/
   9 #include "webcit.h"
  10 #include "webserver.h"
  11
  12 #ifndef WEBCIT_WITH_CALENDAR_SERVICE
  13
  14 /**\brief stub for non-libical builds */
  15 void do_calendar_view(void) {
  16         wprintf("<center><i>");
  17         wprintf(_("The calendar view is not available."));
  18         wprintf("</i></center><br />\n");
  19 }
  20
  21 /**\brief stub for non-libical builds */
  22 void do_tasks_view(void) {
  23         wprintf("<center><I>");
  24         wprintf(_("The tasks view is not available."));
  25         wprintf("</i></center><br />\n");
  26 }
  27
  28 #else   /* WEBCIT_WITH_CALENDAR_SERVICE */
  29
  30 /****************************************************************************/
  31
  32 /**
  33  * \brief Display one day of a whole month view of a calendar
  34  * \param thetime the month we want to see
  35  */
  36 void calendar_month_view_display_events(time_t thetime) {
  37         int i;
  38         time_t event_tt;
  39         struct tm event_tm;
  40         struct tm today_tm;
  41         icalproperty *p = NULL;
  42         icalproperty *q = NULL;
  43         struct icaltimetype t;
  44         int month, day, year;
  45         int all_day_event = 0;
  46         time_t tt;
  47         char buf[256];
  48
  49         if (WC->num_cal == 0) {
  50                 wprintf("<br /><br /><br />\n");
  51                 return;
  52         }
  53
  54         localtime_r(&thetime, &today_tm);
  55         month = today_tm.tm_mon + 1;
  56         day = today_tm.tm_mday;
  57         year = today_tm.tm_year + 1900;
  58
  59         for (i=0; i<(WC->num_cal); ++i) {
  60                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
  61                                                 ICAL_DTSTART_PROPERTY);
  62                 if (p != NULL) {
  63                         t = icalproperty_get_dtstart(p);
  64                         event_tt = icaltime_as_timet(t);
  65
  66                         if (t.is_date) all_day_event = 1;
  67                         else all_day_event = 0;
  68
  69                         if (all_day_event) {
  70                                 gmtime_r(&event_tt, &event_tm);
  71                         }
  72                         else {
  73                                 localtime_r(&event_tt, &event_tm);
  74                         }
  75
  76                         if ((event_tm.tm_year == today_tm.tm_year)
  77                            && (event_tm.tm_mon == today_tm.tm_mon)
  78                            && (event_tm.tm_mday == today_tm.tm_mday)) {
  79
  80                                 p = icalcomponent_get_first_property(
  81                                                         WC->disp_cal[i].cal,
  82                                                         ICAL_SUMMARY_PROPERTY);
  83                                 if (p != NULL) {
  84
  85                                         if (all_day_event) {
  86                                                 wprintf("<table border=0 cellpadding=2><TR>"
  87                                                         "<td bgcolor=\"#CCCCDD\">"
  88                                                 );
  89                                         }
  90
  91                                         wprintf("<font size=-1>"
  92                                                 "<a href=\"display_edit_event?"
  93                                                 "msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\""
  94                                                 " btt_tooltext=\"",
  95                                                 WC->disp_cal[i].cal_msgnum,
  96                                                 bstr("calview"),
  97                                                 bstr("year"),
  98                                                 bstr("month"),
  99                                                 bstr("day")
 100                                         );
 101
 102                                         wprintf("<i>%s</i> ", _("Summary:"));
 103                                         escputs((char *)icalproperty_get_comment(p));
 104                                         wprintf("<br />");
 105
 106                                         q = icalcomponent_get_first_property(
 107                                                         WC->disp_cal[i].cal,
 108                                                         ICAL_LOCATION_PROPERTY);
 109                                         if (q) {
 110                                                 wprintf("<i>%s</i> ", _("Location:"));
 111                                                 escputs((char *)icalproperty_get_comment(q));
 112                                                 wprintf("<br />");
 113                                         }
 114
 115                                         /**
 116                                          * Only show start/end times if we're actually looking at the VEVENT
 117                                          * component.  Otherwise it shows bogus dates for e.g. timezones
 118                                          */
 119                                         if (icalcomponent_isa(WC->disp_cal[i].cal) == ICAL_VEVENT_COMPONENT) {
 120
 121                                                 q = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 122                                                                                 ICAL_DTSTART_PROPERTY);
 123                                                 if (q != NULL) {
 124                                                         t = icalproperty_get_dtstart(q);
 125
 126                                                         if (t.is_date) {
 127                                                                 struct tm d_tm;
 128                                                                 char d_str[32];
 129                                                                 memset(&d_tm, 0, sizeof d_tm);
 130                                                                 d_tm.tm_year = t.year - 1900;
 131                                                                 d_tm.tm_mon = t.month - 1;
 132                                                                 d_tm.tm_mday = t.day;
 133                                                                 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
 134                                                                 wprintf("<i>%s</i> %s<br>",
 135                                                                         _("Date:"), d_str);
 136                                                         }
 137                                                         else {
 138                                                                 tt = icaltime_as_timet(t);
 139                                                                 fmt_date(buf, tt, 1);
 140                                                                 wprintf("<i>%s</i> %s<br>",
 141                                                                         _("Starting date/time:"), buf);
 142                                                         }
 143                                                 }
 144
 145                                                 q = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 146                                                                                         ICAL_DTEND_PROPERTY);
 147                                                 if (q != NULL) {
 148                                                         t = icalproperty_get_dtend(q);
 149                                                         tt = icaltime_as_timet(t);
 150                                                         fmt_date(buf, tt, 1);
 151                                                         wprintf("<i>%s</i> %s<br>",
 152                                                                 _("Ending date/time:"), buf);
 153                                                 }
 154                                         }
 155
 156                                         q = icalcomponent_get_first_property(
 157                                                         WC->disp_cal[i].cal,
 158                                                         ICAL_DESCRIPTION_PROPERTY);
 159                                         if (q) {
 160                                                 wprintf("<i>%s</i> ", _("Notes:"));
 161                                                 escputs((char *)icalproperty_get_comment(q));
 162                                                 wprintf("<br />");
 163                                         }
 164
 165                                         wprintf("\">");
 166                                         escputs((char *)
 167                                                 icalproperty_get_comment(p));
 168                                         wprintf("</a></font><br />\n");
 169
 170                                         if (all_day_event) {
 171                                                 wprintf("</td></tr></table>");
 172                                         }
 173
 174                                 }
 175
 176                         }
 177
 178
 179                 }
 180         }
 181 }
 182
 183
 184 /**
 185  * \brief Display one day of a whole month view of a calendar
 186  * \param thetime the month we want to see
 187  */
 188 void calendar_month_view_brief_events(time_t thetime, const char *daycolor) {
 189         int i;
 190         time_t event_tt;
 191         time_t event_tts;
 192         time_t event_tte;
 193         struct tm event_tms;
 194         struct tm event_tme;
 195         struct tm today_tm;
 196         icalproperty *p;
 197         icalproperty *e;
 198         struct icaltimetype t;
 199         int month, day, year;
 200         int all_day_event = 0;
 201         char calhourformat[16];
 202         char *timeformat;
 203
 204         get_preference("calhourformat", calhourformat, sizeof calhourformat);
 205         if (!strcasecmp(calhourformat, "24"))   timeformat="%k:%M";
 206         else timeformat="%I:%M %p";
 207
 208         localtime_r(&thetime, &today_tm);
 209         month = today_tm.tm_mon + 1;
 210         day = today_tm.tm_mday;
 211         year = today_tm.tm_year + 1900;
 212
 213         for (i=0; i<(WC->num_cal); ++i) {
 214                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 215                                                 ICAL_DTSTART_PROPERTY);
 216                 if (p != NULL) {
 217                         t = icalproperty_get_dtstart(p);
 218                         event_tt = icaltime_as_timet(t);
 219                         event_tts=event_tt;
 220                         if (t.is_date) all_day_event = 1;
 221                         else all_day_event = 0;
 222
 223                         if (all_day_event) {
 224                                 gmtime_r(&event_tts, &event_tms);
 225                         }
 226                         else {
 227                                 localtime_r(&event_tts, &event_tms);
 228                         }
 229                         /** \todo epoch &! daymask */
 230                         if ((event_tms.tm_year == today_tm.tm_year)
 231                            && (event_tms.tm_mon == today_tm.tm_mon)
 232                            && (event_tms.tm_mday == today_tm.tm_mday)) {
 233
 234
 235                                 char sbuf[255];
 236                                 char ebuf[255];
 237
 238                                 p = icalcomponent_get_first_property(
 239                                                         WC->disp_cal[i].cal,
 240                                                         ICAL_SUMMARY_PROPERTY);
 241                                 e = icalcomponent_get_first_property(
 242                                                         WC->disp_cal[i].cal,
 243                                                         ICAL_DTEND_PROPERTY);
 244                                 if ((p != NULL) && (e != NULL)) {
 245                                         time_t difftime;
 246                                         int hours, minutes;
 247                                         t = icalproperty_get_dtend(e);
 248                                         event_tte = icaltime_as_timet(t);
 249                                         localtime_r(&event_tte, &event_tme);
 250                                         difftime=(event_tte-event_tts)/60;
 251                                         hours=(int)(difftime / 60);
 252                                         minutes=difftime % 60;
 253                                         wprintf("<tr><td bgcolor='%s'>%i:%2i</td><td bgcolor='%s'>"
 254                                                         "<font size=-1>"
 255                                                         "<a href=\"display_edit_event?msgnum=%ld&calview=%s&year=%s&month=%s&day=%s\">",
 256                                                         daycolor,
 257                                                         hours, minutes,
 258                                                         daycolor,
 259                                                         WC->disp_cal[i].cal_msgnum,
 260                                                         bstr("calview"),
 261                                                         bstr("year"),
 262                                                         bstr("month"),
 263                                                         bstr("day")
 264                                                         );
 265
 266                                         escputs((char *)
 267                                                         icalproperty_get_comment(p));
 268                                         /** \todo: allso ammitime format */
 269                                         wc_strftime(&sbuf[0], sizeof(sbuf), timeformat, &event_tms);
 270                                         wc_strftime(&ebuf[0], sizeof(sbuf), timeformat, &event_tme);
 271
 272                                         wprintf("</a></font></td>"
 273                                                         "<td bgcolor='%s'>%s</td><td bgcolor='%s'>%s</td></tr>",
 274                                                         daycolor,
 275                                                         sbuf,
 276                                                         daycolor,
 277                                                         ebuf);
 278
 279                                 }
 280
 281                         }
 282
 283
 284                 }
 285         }
 286 }
 287
 288
 289 /**
 290  * \brief view one month. pretty view
 291  * \param year the year
 292  * \param month the month
 293  * \param day the actual day we want to see
 294  */
 295 void calendar_month_view(int year, int month, int day) {
 296         struct tm starting_tm;
 297         struct tm tm;
 298         time_t thetime;
 299         int i;
 300         time_t previous_month;
 301         time_t next_month;
 302         time_t colheader_time;
 303         struct tm colheader_tm;
 304         char colheader_label[32];
 305
 306         /** Determine what day to start.
 307          * First, back up to the 1st of the month...
 308          */
 309         memset(&starting_tm, 0, sizeof(struct tm));
 310         starting_tm.tm_year = year - 1900;
 311         starting_tm.tm_mon = month - 1;
 312         starting_tm.tm_mday = day;
 313         thetime = mktime(&starting_tm);
 314
 315         memcpy(&tm, &starting_tm, sizeof(struct tm));
 316         while (tm.tm_mday != 1) {
 317                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 318                 localtime_r(&thetime, &tm);
 319         }
 320
 321         /** Determine previous and next months ... for links */
 322         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 323         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 324
 325         /** Now back up until we're on a Sunday */
 326         localtime_r(&thetime, &tm);
 327         while (tm.tm_wday != 0) {
 328                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 329                 localtime_r(&thetime, &tm);
 330         }
 331
 332         /** Outer table (to get the background color) */
 333         wprintf("<div class=\"fix_scrollbar_bug\">"
 334                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 335                 "bgcolor=#204B78><TR><TD>\n");
 336
 337         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 338
 339         wprintf("<td align=center>");
 340
 341         localtime_r(&previous_month, &tm);
 342         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 343                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 344         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 345
 346         wc_strftime(colheader_label, sizeof colheader_label, "%B", &starting_tm);
 347         wprintf("&nbsp;&nbsp;"
 348                 "<font size=+1 color=\"#FFFFFF\">"
 349                 "%s %d"
 350                 "</font>"
 351                 "&nbsp;&nbsp;", colheader_label, year);
 352
 353         localtime_r(&next_month, &tm);
 354         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 355                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 356         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 357
 358         wprintf("</td></tr></table>\n");
 359
 360         /** Inner table (the real one) */
 361         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 362                 "bgcolor=#204B78 id=\"inner_month\"><tr>");
 363         colheader_time = thetime;
 364         for (i=0; i<7; ++i) {
 365                 colheader_time = thetime + (i * 86400) ;
 366                 localtime_r(&colheader_time, &colheader_tm);
 367                 wc_strftime(colheader_label, sizeof colheader_label, "%A", &colheader_tm);
 368                 wprintf("<td align=center width=14%%>"
 369                         "<font color=\"#FFFFFF\">%s</font></th>", colheader_label);
 370
 371         }
 372         wprintf("</tr>\n");
 373
 374         /** Now do 35 days */
 375         for (i = 0; i < 35; ++i) {
 376                 localtime_r(&thetime, &tm);
 377
 378                 /** Before displaying Sunday, start a new row */
 379                 if ((i % 7) == 0) {
 380                         wprintf("<tr>");
 381                 }
 382
 383                 wprintf("<td bgcolor=\"#%s\" width=14%% height=60 align=left valign=top><b>",
 384                         ((tm.tm_mon != month-1) ? "DDDDDD" :
 385                         ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 386                         "FFFFFF"))
 387                 );
 388                 if ((i==0) || (tm.tm_mday == 1)) {
 389                         wc_strftime(colheader_label, sizeof colheader_label, "%B", &tm);
 390                         wprintf("%s ", colheader_label);
 391                 }
 392                 wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">"
 393                         "%d</a></b><br />",
 394                         tm.tm_year + 1900,
 395                         tm.tm_mon + 1,
 396                         tm.tm_mday,
 397                         tm.tm_mday);
 398
 399                 /** put the data here, stupid */
 400                 calendar_month_view_display_events(thetime);
 401
 402                 wprintf("</td>");
 403
 404                 /** After displaying Saturday, end the row */
 405                 if ((i % 7) == 6) {
 406                         wprintf("</tr>\n");
 407                 }
 408
 409                 thetime += (time_t)86400;               /** ahead 24 hours */
 410         }
 411
 412         wprintf("</table>"                      /** end of inner table */
 413                 "</td></tr></table>"            /** end of outer table */
 414                 "</div>\n");
 415
 416         /**
 417          * Initialize the bubble tooltips.
 418          *
 419          * Yes, this is as stupid as it looks.  Instead of just making the call
 420          * to btt_enableTooltips() straight away, we have to create a timer event
 421          * and let it initialize as an event after 1 millisecond.  This is to
 422          * work around a bug in Internet Explorer that causes it to crash if we
 423          * manipulate the innerHTML of various DOM nodes while the page is still
 424          * being rendered.  See http://www.shaftek.org/blog/archives/000212.html
 425          * for more information.
 426          */
 427         wprintf("<script type=\"text/javascript\">"
 428                 " setTimeout(\"btt_enableTooltips('inner_month')\", 1); "
 429                 "</script>\n"
 430         );
 431 }
 432
 433 /**
 434  * \brief view one month. brief view
 435  * \param year the year
 436  * \param month the month
 437  * \param day the actual day we want to see
 438  */
 439 void calendar_brief_month_view(int year, int month, int day) {
 440         struct tm starting_tm;
 441         struct tm tm;
 442         time_t thetime;
 443         int i;
 444         time_t previous_month;
 445         time_t next_month;
 446         char month_label[32];
 447
 448         /** Determine what day to start.
 449          * First, back up to the 1st of the month...
 450          */
 451         memset(&starting_tm, 0, sizeof(struct tm));
 452         starting_tm.tm_year = year - 1900;
 453         starting_tm.tm_mon = month - 1;
 454         starting_tm.tm_mday = day;
 455         thetime = mktime(&starting_tm);
 456
 457         memcpy(&tm, &starting_tm, sizeof(struct tm));
 458         while (tm.tm_mday != 1) {
 459                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 460                 localtime_r(&thetime, &tm);
 461         }
 462
 463         /** Determine previous and next months ... for links */
 464         previous_month = thetime - (time_t)864000L;     /* back 10 days */
 465         next_month = thetime + (time_t)(31L * 86400L);  /* ahead 31 days */
 466
 467         /** Now back up until we're on a Sunday */
 468         localtime_r(&thetime, &tm);
 469         while (tm.tm_wday != 0) {
 470                 thetime = thetime - (time_t)86400;      /* go back 24 hours */
 471                 localtime_r(&thetime, &tm);
 472         }
 473
 474         /** Outer table (to get the background color) */
 475         wprintf("<div class=\"fix_scrollbar_bug\">"
 476                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 477                 "bgcolor=#204B78><TR><TD>\n");
 478
 479         wprintf("<table width=100%% border=0 cellpadding=0 cellspacing=0><tr>\n");
 480
 481         wprintf("<td align=center>");
 482
 483         localtime_r(&previous_month, &tm);
 484         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 485                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 486         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>\n");
 487
 488         wc_strftime(month_label, sizeof month_label, "%B", &tm);
 489         wprintf("&nbsp;&nbsp;"
 490                 "<font size=+1 color=\"#FFFFFF\">"
 491                 "%s %d"
 492                 "</font>"
 493                 "&nbsp;&nbsp;", month_label, year);
 494
 495         localtime_r(&next_month, &tm);
 496         wprintf("<a href=\"readfwd?calview=month&year=%d&month=%d&day=1\">",
 497                 (int)(tm.tm_year)+1900, tm.tm_mon + 1);
 498         wprintf("<img align=middle src=\"static/nextdate_32x.gif\" border=0></A>\n");
 499
 500         wprintf("</td></tr></table>\n");
 501
 502         /** Inner table (the real one) */
 503         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 504                 "bgcolor=#EEEECC><TR>");
 505         wprintf("</tr>\n");
 506         wprintf("<tr><td colspan=\"100%\">\n");
 507
 508         /** Now do 35 days */
 509         for (i = 0; i < 35; ++i) {
 510                 char weeknumber[255];
 511                 char weekday_name[32];
 512                 char *daycolor;
 513                 localtime_r(&thetime, &tm);
 514
 515
 516                 /** Before displaying Sunday, start a new CELL */
 517                 if ((i % 7) == 0) {
 518                         wc_strftime(&weeknumber[0], sizeof(weeknumber), "%U", &tm);
 519                         wprintf("<table border='0' bgcolor=\"#EEEECC\" width='100%'> <tr><th colspan='4'>%s %s</th></tr>"
 520                                         "   <tr><td>%s</td><td width=70%%>%s</td><td>%s</td><td>%s</td></tr>\n",
 521                                         _("Week"),
 522                                         weeknumber,
 523                                         _("Hours"),
 524                                         _("Subject"),
 525                                         _("Start"),
 526                                         _("End")
 527                                         );
 528                 }
 529
 530                 daycolor=((tm.tm_mon != month-1) ? "DDDDDD" :
 531                                   ((tm.tm_wday==0 || tm.tm_wday==6) ? "EEEECC" :
 532                                    "FFFFFF"));
 533
 534                 /** Day Header */
 535                 wc_strftime(weekday_name, sizeof weekday_name, "%A", &tm);
 536                 wprintf("<tr><td bgcolor='%s' colspan='1' align='left'> %s,%i."
 537                                 "</td><td bgcolor='%s' colspan='3'><hr></td></tr>\n",
 538                                 daycolor,
 539                                 weekday_name,tm.tm_mday,
 540                                 daycolor);
 541
 542                 /** put the data of one day  here, stupid */
 543                 calendar_month_view_brief_events(thetime, daycolor);
 544
 545
 546                 /** After displaying Saturday, end the row */
 547                 if ((i % 7) == 6) {
 548                         wprintf("</td></tr></table>\n");
 549                 }
 550
 551                 thetime += (time_t)86400;               /** ahead 24 hours */
 552         }
 553
 554         wprintf("</table>"                      /** end of inner table */
 555                 "</td></tr></table>"            /** end of outer table */
 556                 "</div>\n");
 557 }
 558
 559 /**
 560  * \brief view one week
 561  * this should view just one week, but it's not here yet.
 562  * \todo ny implemented
 563  * \param year the year
 564  * \param month the month
 565  * \param day the day which we want to see the week around
 566  */
 567 void calendar_week_view(int year, int month, int day) {
 568         wprintf("<center><i>week view FIXME</i></center><br />\n");
 569 }
 570
 571
 572 /**
 573  * \brief display one day
 574  * Display events for a particular hour of a particular day.
 575  * (Specify hour < 0 to show "all day" events)
 576  * \param year the year
 577  * \param month the month
 578  * \param day the day
 579  * \param hour the hour we want to start displaying?????
 580  */
 581 void calendar_day_view_display_events(int year, int month,
 582                                         int day, int hour) {
 583         int i;
 584         icalproperty *p;
 585         struct icaltimetype t;
 586         time_t event_tt;
 587         struct tm *event_tm;
 588         int all_day_event = 0;
 589
 590         if (WC->num_cal == 0) {
 591                 // \todo FIXME wprintf("<br /><br /><br />\n");
 592                 return;
 593         }
 594
 595         for (i=0; i<(WC->num_cal); ++i) {
 596                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 597                                                 ICAL_DTSTART_PROPERTY);
 598                 if (p != NULL) {
 599                         t = icalproperty_get_dtstart(p);
 600                         event_tt = icaltime_as_timet(t);
 601                         if (t.is_date) {
 602                                 all_day_event = 1;
 603                         }
 604                         else {
 605                                 all_day_event = 0;
 606                         }
 607
 608                         if (all_day_event) {
 609                                 event_tm = gmtime(&event_tt);
 610                         }
 611                         else {
 612                                 event_tm = localtime(&event_tt);
 613                         }
 614
 615                         if ((event_tm->tm_year == (year-1900))
 616                            && (event_tm->tm_mon == (month-1))
 617                            && (event_tm->tm_mday == day)
 618                            && ( ((event_tm->tm_hour == hour)&&(!t.is_date)) || ((hour<0)&&(t.is_date)) )
 619                            ) {
 620
 621
 622                                 p = icalcomponent_get_first_property(
 623                                                         WC->disp_cal[i].cal,
 624                                                         ICAL_SUMMARY_PROPERTY);
 625                                 if (p != NULL) {
 626
 627                                         if (all_day_event) {
 628                                                 wprintf("<table border=1 cellpadding=2><TR>"
 629                                                         "<td bgcolor=\"#CCCCCC\">"
 630                                                 );
 631                                         }
 632
 633                                         wprintf("<font size=-1>"
 634                                                 "<a href=\"display_edit_event?msgnum=%ld&calview=day&year=%d&month=%d&day=%d\">",
 635                                                 WC->disp_cal[i].cal_msgnum,
 636                                                 year, month, day
 637                                         );
 638                                         escputs((char *)
 639                                                 icalproperty_get_comment(p));
 640                                         wprintf("</a></font><br />\n");
 641
 642                                         if (all_day_event) {
 643                                                 wprintf("</td></tr></table>");
 644                                         }
 645                                 }
 646
 647                         }
 648
 649
 650                 }
 651         }
 652 }
 653
 654
 655 /**
 656  * \brief view one day
 657  * \param year the year
 658  * \param month the month
 659  * \param day the day we want to display
 660  */
 661 void calendar_day_view(int year, int month, int day) {
 662         int hour;
 663         struct icaltimetype today, yesterday, tomorrow;
 664         char calhourformat[16];
 665         int daystart = 8;
 666         int dayend = 17;
 667         char daystart_str[16], dayend_str[16];
 668         struct tm d_tm;
 669         char d_str[128];
 670
 671         get_preference("calhourformat", calhourformat, sizeof calhourformat);
 672         get_preference("daystart", daystart_str, sizeof daystart_str);
 673         if (strlen(daystart_str) > 0) daystart = atoi(daystart_str);
 674         get_preference("dayend", dayend_str, sizeof dayend_str);
 675         if (strlen(dayend_str) > 0) dayend = atoi(dayend_str);
 676
 677
 678         /** Figure out the dates for "yesterday" and "tomorrow" links */
 679
 680         memset(&today, 0, sizeof(struct icaltimetype));
 681         today.year = year;
 682         today.month = month;
 683         today.day = day;
 684         today.is_date = 1;
 685
 686         memcpy(&yesterday, &today, sizeof(struct icaltimetype));
 687         --yesterday.day;
 688         yesterday = icaltime_normalize(yesterday);
 689
 690         memcpy(&tomorrow, &today, sizeof(struct icaltimetype));
 691         ++tomorrow.day;
 692         tomorrow = icaltime_normalize(tomorrow);
 693
 694
 695         /** Outer table (to get the background color) */
 696         wprintf("<div class=\"fix_scrollbar_bug\">"
 697                 "<table width=100%% border=0 cellpadding=0 cellspacing=0 "
 698                 "bgcolor=#204B78><tr><td>\n");
 699
 700         /** Inner table (the real one) */
 701         wprintf("<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 702                 "bgcolor=#204B78><tr>\n");
 703
 704         /** Innermost table (contains hours etc.) */
 705         wprintf("<td width=80%%>"
 706                 "<table width=100%% border=0 cellpadding=1 cellspacing=1 "
 707                 "bgcolor=#204B78>\n");
 708
 709         /** Display events before 8:00 (hour=-1 is all-day events) */
 710         wprintf("<tr>"
 711                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 712                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 713         for (hour = (-1); hour <= (daystart-1); ++hour) {
 714                 calendar_day_view_display_events(year, month, day, hour);
 715         }
 716         wprintf("</td></tr>\n");
 717
 718         /** Now the middle of the day... */
 719         for (hour = daystart; hour <= dayend; ++hour) { /* could do HEIGHT=xx */
 720                 wprintf("<tr height=30><td bgcolor=\"#CCCCDD\" align=middle "
 721                         "valign=middle width=10%%>");
 722                 wprintf("<a href=\"display_edit_event?msgnum=0"
 723                         "&year=%d&month=%d&day=%d&hour=%d&minute=0\">",
 724                         year, month, day, hour
 725                 );
 726
 727                 if (!strcasecmp(calhourformat, "24")) {
 728                         wprintf("%2d:00</a> ", hour);
 729                 }
 730                 else {
 731                         wprintf("%d:00%s</a> ",
 732                                 (hour <= 12 ? hour : hour-12),
 733                                 (hour < 12 ? "am" : "pm")
 734                         );
 735                 }
 736
 737                 wprintf("</td><td bgcolor=\"#FFFFFF\" valign=top>");
 738
 739                 /* put the data here, stupid */
 740                 calendar_day_view_display_events(year, month, day, hour);
 741
 742                 wprintf("</td></tr>\n");
 743         }
 744
 745         /** Display events after 5:00... */
 746         wprintf("<tr>"
 747                 "<td bgcolor=\"#CCCCDD\" valign=middle width=10%%></td>"
 748                 "<td bgcolor=\"#FFFFFF\" valign=top>");
 749         for (hour = (dayend+1); hour <= 23; ++hour) {
 750                 calendar_day_view_display_events(year, month, day, hour);
 751         }
 752         wprintf("</td></tr>\n");
 753
 754
 755         wprintf("</table>"                      /* end of innermost table */
 756                 "</td>"
 757         );
 758
 759         wprintf("<td width=20%% valign=top>");  /* begin stuff-on-the-right */
 760
 761
 762         /** Begin todays-date-with-left-and-right-arrows */
 763         wprintf("<table border=0 width=100%% "
 764                 "cellspacing=0 cellpadding=0 bgcolor=\"#FFFFFF\">\n");
 765         wprintf("<tr>");
 766
 767         /** Left arrow */
 768         wprintf("<td align=center>");
 769         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 770                 yesterday.year, yesterday.month, yesterday.day);
 771         wprintf("<img align=middle src=\"static/prevdate_32x.gif\" border=0></A>");
 772         wprintf("</td>");
 773
 774         /** Today's date */
 775         memset(&d_tm, 0, sizeof d_tm);
 776         d_tm.tm_year = year - 1900;
 777         d_tm.tm_mon = month - 1;
 778         d_tm.tm_mday = day;
 779         wc_strftime(d_str, sizeof d_str,
 780                 "<td align=center>"
 781                 "<font size=+2>%B</font><br />"
 782                 "<font size=+3>%d</font><br />"
 783                 "<font size=+2>%Y</font><br />"
 784                 "</td>",
 785                 &d_tm
 786         );
 787         wprintf("%s", d_str);
 788
 789         /** Right arrow */
 790         wprintf("<td align=center>");
 791         wprintf("<a href=\"readfwd?calview=day&year=%d&month=%d&day=%d\">",
 792                 tomorrow.year, tomorrow.month, tomorrow.day);
 793         wprintf("<img align=middle src=\"static/nextdate_32x.gif\""
 794                 " border=0></A>\n");
 795         wprintf("</td>");
 796
 797         wprintf("</tr></table>\n");
 798         /** End todays-date-with-left-and-right-arrows */
 799
 800         /** \todo In the future we might want to put a month-o-matic here */
 801
 802         wprintf("</font></center>\n");
 803
 804         wprintf("</td>");                       /** end stuff-on-the-right */
 805
 806
 807
 808         wprintf("</tr></table>"                 /** end of inner table */
 809                 "</td></tr></table></div>"      /** end of outer table */
 810         );
 811
 812
 813
 814 }
 815
 816 /**
 817  * \brief Display today's events.
 818  */
 819 void calendar_summary_view(void) {
 820         int i;
 821         icalproperty *p;
 822         struct icaltimetype t;
 823         time_t event_tt;
 824         struct tm event_tm;
 825         struct tm today_tm;
 826         time_t now;
 827         int all_day_event = 0;
 828         char timestring[SIZ];
 829
 830         if (WC->num_cal == 0) {
 831                 return;
 832         }
 833
 834         now = time(NULL);
 835         localtime_r(&now, &today_tm);
 836
 837         for (i=0; i<(WC->num_cal); ++i) {
 838                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
 839                                                 ICAL_DTSTART_PROPERTY);
 840                 if (p != NULL) {
 841                         t = icalproperty_get_dtstart(p);
 842                         event_tt = icaltime_as_timet(t);
 843                         if (t.is_date) {
 844                                 all_day_event = 1;
 845                         }
 846                         else {
 847                                 all_day_event = 0;
 848                         }
 849                         fmt_time(timestring, event_tt);
 850
 851                         if (all_day_event) {
 852                                 gmtime_r(&event_tt, &event_tm);
 853                         }
 854                         else {
 855                                 localtime_r(&event_tt, &event_tm);
 856                         }
 857
 858                         if ( (event_tm.tm_year == today_tm.tm_year)
 859                            && (event_tm.tm_mon == today_tm.tm_mon)
 860                            && (event_tm.tm_mday == today_tm.tm_mday)
 861                            ) {
 862
 863
 864                                 p = icalcomponent_get_first_property(
 865                                                         WC->disp_cal[i].cal,
 866                                                         ICAL_SUMMARY_PROPERTY);
 867                                 if (p != NULL) {
 868                                         escputs((char *)
 869                                                 icalproperty_get_comment(p));
 870                                         wprintf(" (%s)<br />\n", timestring);
 871                                 }
 872                         }
 873                 }
 874         }
 875         free_calendar_buffer();
 876 }
 877
 878
 879 /**
 880  * \brief clean up ical memory
 881  * \todo this could get troubel with future ical versions
 882  */
 883 void free_calendar_buffer(void) {
 884         int i;
 885         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
 886                 icalcomponent_free(WC->disp_cal[i].cal);
 887         }
 888         WC->num_cal = 0;
 889         free(WC->disp_cal);
 890         WC->disp_cal = NULL;
 891 }
 892
 893
 894
 895 /**
 896  * \brief do the whole calendar page
 897  * view any part of the calender. decide which way, etc.
 898  */
 899 void do_calendar_view(void) {
 900         time_t now;
 901         struct tm tm;
 902         int year, month, day;
 903         char calview[SIZ];
 904
 905         /** In case no date was specified, go with today */
 906         now = time(NULL);
 907         localtime_r(&now, &tm);
 908         year = tm.tm_year + 1900;
 909         month = tm.tm_mon + 1;
 910         day = tm.tm_mday;
 911
 912         /** Now see if a date was specified */
 913         if (strlen(bstr("year")) > 0) year = atoi(bstr("year"));
 914         if (strlen(bstr("month")) > 0) month = atoi(bstr("month"));
 915         if (strlen(bstr("day")) > 0) day = atoi(bstr("day"));
 916
 917         /** How would you like that cooked? */
 918         if (strlen(bstr("calview")) > 0) {
 919                 strcpy(calview, bstr("calview"));
 920         }
 921         else {
 922                 strcpy(calview, "month");
 923         }
 924
 925         /** Display the selected view */
 926         if (!strcasecmp(calview, "day")) {
 927                 calendar_day_view(year, month, day);
 928         }
 929         else if (!strcasecmp(calview, "week")) {
 930                 calendar_week_view(year, month, day);
 931         }
 932         else {
 933                 if (WC->wc_view == VIEW_CALBRIEF) {
 934                         calendar_brief_month_view(year, month, day);
 935                 }
 936                 else {
 937                         calendar_month_view(year, month, day);
 938                 }
 939         }
 940
 941         /** Free the calendar stuff */
 942         free_calendar_buffer();
 943
 944 }
 945
 946
 947 /**
 948  * \brief get task due date
 949  * Helper function for do_tasks_view().
 950  * \param vtodo a task to get the due date
 951  * \return the date/time due.
 952  */
 953 time_t get_task_due_date(icalcomponent *vtodo) {
 954         icalproperty *p;
 955
 956         if (vtodo == NULL) {
 957                 return(0L);
 958         }
 959
 960         /**
 961          * If we're looking at a fully encapsulated VCALENDAR
 962          * rather than a VTODO component, recurse into the data
 963          * structure until we get a VTODO.
 964          */
 965         if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
 966                 return get_task_due_date(
 967                         icalcomponent_get_first_component(
 968                                 vtodo, ICAL_VTODO_COMPONENT
 969                         )
 970                 );
 971         }
 972
 973         p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
 974         if (p != NULL) {
 975                 return(icaltime_as_timet(icalproperty_get_due(p)));
 976         }
 977         else {
 978                 return(0L);
 979         }
 980 }
 981
 982
 983 /**
 984  * \brief Compare the due dates of two tasks (this is for sorting)
 985  * \param task1 first task to compare
 986  * \param task2 second task to compare
 987  */
 988 int task_due_cmp(const void *task1, const void *task2) {
 989         time_t t1;
 990         time_t t2;
 991
 992         t1 =  get_task_due_date(((struct disp_cal *)task1)->cal);
 993         t2 =  get_task_due_date(((struct disp_cal *)task2)->cal);
 994
 995         if (t1 < t2) return(-1);
 996         if (t1 > t2) return(1);
 997         return(0);
 998 }
 999
1000
1001
1002
1003 /**
1004  * \brief do the whole task view stuff
1005  */
1006 void do_tasks_view(void) {
1007         int i;
1008         time_t due;
1009         int bg = 0;
1010         char buf[SIZ];
1011         icalproperty *p;
1012
1013         wprintf("<div class=\"fix_scrollbar_bug\">"
1014                 "<table border=0 cellspacing=0 width=100%% bgcolor=\"#FFFFFF\">\n<tr>\n"
1015                 "<th>");
1016         wprintf(_("Name of task"));
1017         wprintf("</th><th>");
1018         wprintf(_("Date due"));
1019         wprintf("</th></tr>\n"
1020         );
1021
1022         /** Sort them if necessary */
1023         if (WC->num_cal > 1) {
1024                 qsort(WC->disp_cal,
1025                         WC->num_cal,
1026                         sizeof(struct disp_cal),
1027                         task_due_cmp
1028                 );
1029         }
1030
1031         if (WC->num_cal) for (i=0; i<(WC->num_cal); ++i) {
1032
1033                 bg = 1 - bg;
1034                 wprintf("<tr bgcolor=\"#%s\"><td>",
1035                         (bg ? "DDDDDD" : "FFFFFF")
1036                 );
1037
1038                 p = icalcomponent_get_first_property(WC->disp_cal[i].cal,
1039                                                         ICAL_SUMMARY_PROPERTY);
1040                 wprintf("<a href=\"display_edit_task?msgnum=%ld&taskrm=",
1041                         WC->disp_cal[i].cal_msgnum );
1042                 urlescputs(WC->wc_roomname);
1043                 wprintf("\">");
1044                 wprintf("<img align=middle "
1045                         "src=\"static/taskmanag_16x.gif\" border=0>&nbsp;");
1046                 if (p != NULL) {
1047                         escputs((char *)icalproperty_get_comment(p));
1048                 }
1049                 wprintf("</a>\n");
1050                 wprintf("</td>\n");
1051
1052                 due = get_task_due_date(WC->disp_cal[i].cal);
1053                 fmt_date(buf, due, 0);
1054                 wprintf("<td><font");
1055                 if (due < time(NULL)) {
1056                         wprintf(" color=\"#FF0000\"");
1057                 }
1058                 wprintf(">%s</font></td></tr>\n", buf);
1059         }
1060
1061         wprintf("</table></div>\n");
1062
1063         /** Free the list */
1064         free_calendar_buffer();
1065
1066 }
1067
1068 #endif  /* WEBCIT_WITH_CALENDAR_SERVICE */
1069
1070 /** @} */