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