webcit/event.c

   1 /*
   2  * Editing calendar events.
   3  *
   4  * Copyright (c) 1996-2010 by the citadel.org team
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "webcit.h"
  22 #include "webserver.h"
  23 #include "calendar.h"
  24
  25 /*
  26  * Display an event by itself (for editing)
  27  * supplied_vevent      the event to edit
  28  * msgnum               reference on the citserver
  29  */
  30 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
  31         int unread, calview *calv)
  32 {
  33         icalcomponent *vevent;
  34         icalproperty *p;
  35         icalvalue *v;
  36         struct icaltimetype t_start, t_end;
  37         time_t now;
  38         struct tm tm_now;
  39         int created_new_vevent = 0;
  40         icalproperty *organizer = NULL;
  41         char organizer_string[SIZ];
  42         icalproperty *attendee = NULL;
  43         char attendee_string[SIZ];
  44         char buf[SIZ];
  45         int organizer_is_me = 0;
  46         int i, j = 0;
  47         int sequence = 0;
  48         char weekday_labels[7][32];
  49         char month_labels[12][32];
  50         long weekstart = 0;
  51         icalproperty *rrule = NULL;
  52         struct icalrecurrencetype recur;
  53         char weekday_is_selected[7];
  54         int which_rrmonthtype_is_preselected = 0;
  55
  56         int rrmday;
  57         int rrmweekday;
  58
  59         icaltimetype day1;
  60         int weekbase;
  61         int rrmweek;
  62         int rrymweek;
  63         int rrymweekday;
  64         int rrymonth;
  65         int which_rrend_is_preselected;
  66         int which_rryeartype_is_preselected;
  67
  68
  69         char *tabnames[3];
  70         const char *frequency_units[8];
  71         const char *ordinals[6];
  72
  73         frequency_units[0] = _("seconds");
  74         frequency_units[1] = _("minutes");
  75         frequency_units[2] = _("hours");
  76         frequency_units[3] = _("days");
  77         frequency_units[4] = _("weeks");
  78         frequency_units[5] = _("months");
  79         frequency_units[6] = _("years");
  80         frequency_units[7] = _("never");
  81
  82
  83         ordinals[0] = "0";
  84         ordinals[1] = _("first");
  85         ordinals[2] = _("second");
  86         ordinals[3] = _("third");
  87         ordinals[4] = _("fourth");
  88         ordinals[5] = _("fifth");
  89
  90
  91         tabnames[0] = _("Event");
  92         tabnames[1] = _("Attendees");
  93         tabnames[2] = _("Recurrence");
  94
  95         get_pref_long("weekstart", &weekstart, 17);
  96         if (weekstart > 6) weekstart = 0;
  97
  98         lprintf(9, "display_edit_individual_event(%ld) calview=%s year=%s month=%s day=%s\n",
  99                 msgnum, bstr("calview"), bstr("year"), bstr("month"), bstr("day")
 100         );
 101
 102         /* populate the weekday names - begin */
 103         now = time(NULL);
 104         localtime_r(&now, &tm_now);
 105         while (tm_now.tm_wday != 0) {
 106                 now -= 86400L;
 107                 localtime_r(&now, &tm_now);
 108         }
 109         for (i=0; i<7; ++i) {
 110                 localtime_r(&now, &tm_now);
 111                 wc_strftime(weekday_labels[i], 32, "%A", &tm_now);
 112                 now += 86400L;
 113         }
 114         /* populate the weekday names - end */
 115
 116         /* populate the month names - begin */
 117         now = 259200L;  /* 1970-jan-04 is the first Sunday ever */
 118         localtime_r(&now, &tm_now);
 119         for (i=0; i<12; ++i) {
 120                 localtime_r(&now, &tm_now);
 121                 wc_strftime(month_labels[i], 32, "%B", &tm_now);
 122                 now += 2678400L;
 123         }
 124         /* populate the month names - end */
 125
 126         now = time(NULL);
 127         strcpy(organizer_string, "");
 128         strcpy(attendee_string, "");
 129
 130         if (supplied_vevent != NULL) {
 131                 vevent = supplied_vevent;
 132
 133                 /* Convert all timestamps to UTC to make them easier to process. */
 134                 ical_dezonify(vevent);
 135
 136                 /*
 137                  * If we're looking at a fully encapsulated VCALENDAR
 138                  * rather than a VEVENT component, attempt to use the first
 139                  * relevant VEVENT subcomponent.  If there is none, the
 140                  * NULL returned by icalcomponent_get_first_component() will
 141                  * tell the next iteration of this function to create a
 142                  * new one.
 143                  */
 144                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 145                         display_edit_individual_event(
 146                                 icalcomponent_get_first_component(
 147                                         vevent, ICAL_VEVENT_COMPONENT),
 148                                 msgnum, from, unread, NULL
 149                         );
 150                         return;
 151                 }
 152         }
 153         else {
 154                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 155                 created_new_vevent = 1;
 156         }
 157
 158         /* Learn the sequence */
 159         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
 160         if (p != NULL) {
 161                 sequence = icalproperty_get_sequence(p);
 162         }
 163
 164         /* Begin output */
 165         output_headers(1, 1, 2, 0, 0, 0);
 166         wc_printf("<div id=\"banner\">\n");
 167         wc_printf("<h1>");
 168         wc_printf(_("Add or edit an event"));
 169         wc_printf("</h1>");
 170         wc_printf("</div>\n");
 171
 172         wc_printf("<div id=\"content\" class=\"service\">\n");
 173
 174         wc_printf("<div class=\"fix_scrollbar_bug\">");
 175
 176         /************************************************************
 177          * Uncomment this to see the UID in calendar events for debugging
 178         wc_printf("UID == ");
 179         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
 180         if (p != NULL) {
 181                 escputs((char *)icalproperty_get_comment(p));
 182         }
 183         wc_printf("<br />\n");
 184         wc_printf("SEQUENCE == %d<br />\n", sequence);
 185         *************************************************************/
 186
 187         wc_printf("<form name=\"EventForm\" method=\"POST\" action=\"save_event\">\n");
 188         wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 189
 190         wc_printf("<input type=\"hidden\" name=\"msgnum\" value=\"%ld\">\n",
 191                 msgnum);
 192         wc_printf("<input type=\"hidden\" name=\"calview\" value=\"%s\">\n",
 193                 bstr("calview"));
 194         wc_printf("<input type=\"hidden\" name=\"year\" value=\"%s\">\n",
 195                 bstr("year"));
 196         wc_printf("<input type=\"hidden\" name=\"month\" value=\"%s\">\n",
 197                 bstr("month"));
 198         wc_printf("<input type=\"hidden\" name=\"day\" value=\"%s\">\n",
 199                 bstr("day"));
 200
 201
 202         tabbed_dialog(3, tabnames);
 203         begin_tab(0, 3);
 204
 205         /* Put it in a borderless table so it lines up nicely */
 206         wc_printf("<table border='0' width='100%%'>\n");
 207
 208         wc_printf("<tr><td><b>");
 209         wc_printf(_("Summary"));
 210         wc_printf("</b></td><td>\n"
 211                 "<input type=\"text\" name=\"summary\" "
 212                 "maxlength=\"64\" size=\"64\" value=\"");
 213         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 214         if (p != NULL) {
 215                 escputs((char *)icalproperty_get_comment(p));
 216         }
 217         wc_printf("\"></td></tr>\n");
 218
 219         wc_printf("<tr><td><b>");
 220         wc_printf(_("Location"));
 221         wc_printf("</b></td><td>\n"
 222                 "<input type=\"text\" name=\"location\" "
 223                 "maxlength=\"64\" size=\"64\" value=\"");
 224         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 225         if (p != NULL) {
 226                 escputs((char *)icalproperty_get_comment(p));
 227         }
 228         wc_printf("\"></td></tr>\n");
 229
 230         wc_printf("<tr><td><b>");
 231         wc_printf(_("Start"));
 232         wc_printf("</b></td><td>\n");
 233         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 234         if (p != NULL) {
 235                 t_start = icalproperty_get_dtstart(p);
 236                 if (t_start.is_date) {
 237                         t_start.hour = 0;
 238                         t_start.minute = 0;
 239                         t_start.second = 0;
 240                 }
 241         }
 242         else {
 243                 localtime_r(&now, &tm_now);
 244                 if (havebstr("year")) {
 245                         tm_now.tm_year = ibstr("year") - 1900;
 246                         tm_now.tm_mon = ibstr("month") - 1;
 247                         tm_now.tm_mday = ibstr("day");
 248                 }
 249                 if (havebstr("hour")) {
 250                         tm_now.tm_hour = ibstr("hour");
 251                         tm_now.tm_min = ibstr("minute");
 252                         tm_now.tm_sec = 0;
 253                 }
 254                 else {
 255                         tm_now.tm_hour = 0;
 256                         tm_now.tm_min = 0;
 257                         tm_now.tm_sec = 0;
 258                 }
 259
 260                 t_start = icaltime_from_timet_with_zone(
 261                         mktime(&tm_now),
 262                         ((yesbstr("alldayevent")) ? 1 : 0),
 263                         icaltimezone_get_utc_timezone()
 264                 );
 265                 t_start.is_utc = 1;
 266
 267         }
 268         display_icaltimetype_as_webform(&t_start, "dtstart", 0);
 269
 270         wc_printf("<input type=\"checkbox\" id=\"alldayevent\" name=\"alldayevent\" "
 271                 "value=\"yes\" onclick=\"eventEditAllDay();\""
 272                 " %s >%s",
 273                 (t_start.is_date ? "checked=\"checked\"" : "" ),
 274                 _("All day event")
 275         );
 276
 277         wc_printf("</td></tr>\n");
 278
 279         wc_printf("<tr><td><b>");
 280         wc_printf(_("End"));
 281         wc_printf("</b></td><td id=\"dtendcell\">\n");
 282         p = icalcomponent_get_first_property(vevent,
 283                                                 ICAL_DTEND_PROPERTY);
 284         if (p != NULL) {
 285                 t_end = icalproperty_get_dtend(p);
 286
 287                 /*
 288                  * If this is an all-day-event, the end time is set to real end
 289                  * day + 1, so we have to adjust accordingly.
 290                  */
 291                 if (t_start.is_date) {
 292                         icaltime_adjust(&t_end, -1, 0, 0, 0);
 293                 }
 294         }
 295         else {
 296                 if (created_new_vevent == 1) {
 297                         /* set default duration */
 298                         if (t_start.is_date) {
 299                                 /*
 300                                  * If this is an all-day-event, set the end time to be identical to
 301                                  * the start time (the hour/minute/second will be set to midnight).
 302                                  */
 303                                 t_end = t_start;
 304                         }
 305                         else {
 306                                 /*
 307                                  * If this is not an all-day event and there is no
 308                                  * end time specified, make the default one hour
 309                                  * from the start time.
 310                                  */
 311                                 t_end = t_start;
 312                                 t_end.hour += 1;
 313                                 t_end.second = 0;
 314                                 t_end = icaltime_normalize(t_end);
 315                                 /* t_end = icaltime_from_timet(now, 0); */
 316                         }
 317                 }
 318                 else {
 319                         /*
 320                          * If an existing event has no end date/time this is
 321                          * supposed to mean end = start.
 322                          */
 323                         t_end = t_start;
 324                 }
 325         }
 326         display_icaltimetype_as_webform(&t_end, "dtend", 0);
 327         wc_printf("</td></tr>\n");
 328
 329         wc_printf("<tr><td><b>");
 330         wc_printf(_("Notes"));
 331         wc_printf("</b></td><td>\n"
 332                 "<textarea name=\"description\" "
 333                 "rows='5' cols='72' style='width:72'>\n"
 334         );
 335         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 336         if (p != NULL) {
 337                 escputs((char *)icalproperty_get_comment(p));
 338         }
 339         wc_printf("</textarea></td></tr>");
 340
 341         /*
 342          * For a new event, the user creating the event should be the
 343          * organizer.  Set this field accordingly.
 344          */
 345         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 346            == NULL) {
 347                 sprintf(organizer_string, "mailto:%s", ChrPtr(WC->cs_inet_email));
 348                 icalcomponent_add_property(vevent,
 349                         icalproperty_new_organizer(organizer_string)
 350                 );
 351         }
 352
 353         /*
 354          * Determine who is the organizer of this event.
 355          * We need to determine "me" or "not me."
 356          */
 357         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
 358         if (organizer != NULL) {
 359                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 360                 if (!strncasecmp(organizer_string, "mailto:", 7)) {
 361                         strcpy(organizer_string, &organizer_string[7]);
 362                         striplt(organizer_string);
 363                         serv_printf("ISME %s", organizer_string);
 364                         serv_getln(buf, sizeof buf);
 365                         if (buf[0] == '2') {
 366                                 organizer_is_me = 1;
 367                         }
 368                 }
 369         }
 370
 371         wc_printf("<tr><td><b>");
 372         wc_printf(_("Organizer"));
 373         wc_printf("</b></td><td>");
 374         escputs(organizer_string);
 375         if (organizer_is_me) {
 376                 wc_printf(" <font size='-1'><i>");
 377                 wc_printf(_("(you are the organizer)"));
 378                 wc_printf("</i></font>\n");
 379         }
 380
 381         /*
 382          * Transmit the organizer as a hidden field.   We don't want the user
 383          * to be able to change it, but we do want it fed back to the server,
 384          * especially if this is a new event and there is no organizer already
 385          * in the calendar object.
 386          */
 387         wc_printf("<input type=\"hidden\" name=\"organizer\" value=\"");
 388         escputs(organizer_string);
 389         wc_printf("\">");
 390
 391         wc_printf("</td></tr>\n");
 392
 393         /* Transparency */
 394         wc_printf("<tr><td><b>");
 395         wc_printf(_("Show time as:"));
 396         wc_printf("</b></td><td>");
 397
 398         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 399         if (p == NULL) {
 400                 /* No transparency found.  Default to opaque (busy). */
 401                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 402                 if (p != NULL) {
 403                         icalcomponent_add_property(vevent, p);
 404                 }
 405         }
 406         if (p != NULL) {
 407                 v = icalproperty_get_value(p);
 408         }
 409         else {
 410                 v = NULL;
 411         }
 412
 413         wc_printf("<input type=\"radio\" name=\"transp\" value=\"transparent\"");
 414         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)) {
 415                 wc_printf(" CHECKED");
 416         }
 417         wc_printf(">");
 418         wc_printf(_("Free"));
 419         wc_printf("&nbsp;&nbsp;");
 420
 421         wc_printf("<input type=\"radio\" name=\"transp\" value=\"opaque\"");
 422         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)) {
 423                 wc_printf(" CHECKED");
 424         }
 425         wc_printf(">");
 426         wc_printf(_("Busy"));
 427
 428         wc_printf("</td></tr>\n");
 429
 430
 431         /* Done with properties. */
 432         wc_printf("</TABLE>\n");
 433
 434         end_tab(0, 3);
 435
 436         /* Attendees tab (need to move things here) */
 437         begin_tab(1, 3);
 438         wc_printf("<table border='0' width='100%%'>\n");        /* same table style as the event tab */
 439         wc_printf("<tr><td><b>");
 440         wc_printf(_("Attendees"));
 441         wc_printf("</b><br />"
 442                 "<font size='-2'>");
 443         wc_printf(_("(One per line)"));
 444         wc_printf("</font>\n");
 445
 446         /* Pop open an address book -- begin */
 447         wc_printf(
 448                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
 449                 "title=\"%s\">"
 450                 "<img alt='' align='middle' border='0' width='24' height='24' src=\"static/viewcontacts_24x.gif\">"
 451                 "</a>",
 452                 _("Attendees"),
 453                 _("Contacts")
 454         );
 455         /* Pop open an address book -- end */
 456
 457         wc_printf("</td><td>"
 458                 "<textarea %s name=\"attendees\" id=\"attendees_box\" "
 459                 "onchange=\"EnableOrDisableCheckButton();\" "
 460                 "onKeyPress=\"EnableOrDisableCheckButton();\" "
 461                 "rows='10' cols='72' style='width:72'>\n",
 462                 (organizer_is_me ? "" : "disabled='disabled' ")
 463         );
 464         i = 0;
 465         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 466             attendee != NULL;
 467             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 468                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 469                 if (!strncasecmp(attendee_string, "mailto:", 7)) {
 470
 471                         /* screen name or email address */
 472                         strcpy(attendee_string, &attendee_string[7]);
 473                         striplt(attendee_string);
 474                         if (i++) wc_printf("\n");
 475                         escputs(attendee_string);
 476                         wc_printf(" ");
 477
 478                         /* participant status */
 479                         partstat_as_string(buf, attendee);
 480                         escputs(buf);
 481                 }
 482         }
 483         wc_printf("</textarea></td></tr>\n");
 484         wc_printf("</table>\n");
 485         end_tab(1, 3);
 486
 487         /* Recurrence tab */
 488         begin_tab(2, 3);
 489
 490         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
 491         if (rrule) {
 492                 recur = icalproperty_get_rrule(rrule);
 493         }
 494         else {
 495                 /* blank recurrence with some sensible defaults */
 496                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
 497                 recur.count = 3;
 498                 recur.until = icaltime_null_time();
 499                 recur.interval = 1;
 500                 recur.freq = ICAL_WEEKLY_RECURRENCE;
 501         }
 502
 503         wc_printf("<input type=\"checkbox\" id=\"is_recur\" name=\"is_recur\" "
 504                 "value=\"yes\" "
 505                 "onclick=\"RecurrenceShowHide();\""
 506                 " %s >%s",
 507                 (rrule ? "checked=\"checked\"" : "" ),
 508                 _("This is a recurring event")
 509         );
 510
 511         wc_printf("<div id=\"rrule_div\">\n");          /* begin 'rrule_div' div */
 512
 513         wc_printf("<table border='0' cellspacing='10' width='100%%'>\n");
 514
 515         wc_printf("<tr><td><b>");
 516         wc_printf(_("Recurrence rule"));
 517         wc_printf("</b></td><td>");
 518
 519         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 520         wc_printf("%s ", _("Repeats every"));
 521
 522         wc_printf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 523         wc_printf("value=\"%d\">&nbsp;", recur.interval);
 524
 525         wc_printf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
 526                 "onChange=\"RecurrenceShowHide();\">\n");
 527         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 528                 wc_printf("<option %s%svalue=\"%d\">%s</option>\n",
 529                         ((i == recur.freq) ? "selected='selected' " : ""),
 530                         (((i == recur.freq) || ((i>=3)&&(i<=6))) ? "" : "disabled='disabled' "),
 531                         i,
 532                         frequency_units[i]
 533                 );
 534         }
 535         wc_printf("</select>\n");
 536
 537         wc_printf("<div id=\"weekday_selector\">");     /* begin 'weekday_selector' div */
 538         wc_printf("%s<br>", _("on these weekdays:"));
 539
 540         memset(weekday_is_selected, 0, 7);
 541
 542         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 543                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 544                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 545                 }
 546                 else {
 547                         for (j=0; j<7; ++j) {
 548                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
 549                                         weekday_is_selected[j] = 1;
 550                                 }
 551                         }
 552                 }
 553         }
 554
 555         for (j=0; j<7; ++j) {
 556                 i = ((j + (int)weekstart) % 7);
 557                 wc_printf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
 558                 if (weekday_is_selected[i]) wc_printf(" checked='checked'");
 559                 wc_printf(">%s\n", weekday_labels[i]);
 560         }
 561         wc_printf("</div>\n");                          /* end 'weekday_selector' div */
 562
 563
 564
 565
 566
 567         wc_printf("<div id=\"monthday_selector\">");    /* begin 'monthday_selector' div */
 568
 569         wc_printf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_mday\" "
 570                 "value=\"rrmonthtype_mday\" "
 571                 "%s onChange=\"RecurrenceShowHide();\">",
 572                 ((which_rrmonthtype_is_preselected == 0) ? "checked='checked'" : "")
 573         );
 574
 575         rrmday = t_start.day;
 576         rrmweekday = icaltime_day_of_week(t_start) - 1;
 577
 578         /* Figure out what week of the month we're in */
 579         day1 = t_start;
 580         day1.day = 1;
 581         weekbase = icaltime_week_number(day1);
 582         rrmweek = icaltime_week_number(t_start) - weekbase + 1;
 583
 584         /* Are we going by day of the month or week/day? */
 585
 586         if (recur.by_month_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 587                 which_rrmonthtype_is_preselected = 0;
 588                 rrmday = recur.by_month_day[0];
 589         }
 590         else if (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 591                 which_rrmonthtype_is_preselected = 1;
 592                 rrmweek = icalrecurrencetype_day_position(recur.by_day[0]);
 593                 rrmweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 594         }
 595
 596         wc_printf(_("on day %s%d%s of the month"), "<span id=\"rrmday\">", rrmday, "</span>");
 597         wc_printf("<br />\n");
 598
 599         wc_printf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_wday\" "
 600                 "value=\"rrmonthtype_wday\" "
 601                 "%s onChange=\"RecurrenceShowHide();\">",
 602                 ((which_rrmonthtype_is_preselected == 1) ? "checked='checked'" : "")
 603         );
 604
 605         wc_printf(_("on the "));
 606         wc_printf("<select name=\"rrmweek\" id=\"rrmweek\" size=\"1\" "
 607                 "onChange=\"RecurrenceShowHide();\">\n");
 608         for (i=1; i<=5; ++i) {
 609                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 610                         ((i==rrmweek) ? "selected='selected' " : ""),
 611                         i,
 612                         ordinals[i]
 613                 );
 614         }
 615         wc_printf("</select> \n");
 616
 617         wc_printf("<select name=\"rrmweekday\" id=\"rrmweekday\" size=\"1\" "
 618                 "onChange=\"RecurrenceShowHide();\">\n");
 619         for (j=0; j<7; ++j) {
 620                 i = ((j + (int)weekstart) % 7);
 621                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 622                         ((i==rrmweekday) ? "selected='selected' " : ""),
 623                         i,
 624                         weekday_labels[i]
 625                 );
 626         }
 627         wc_printf("</select>");
 628
 629         wc_printf(" %s<br />\n", _("of the month"));
 630
 631         wc_printf("</div>\n");                          /* end 'monthday_selector' div */
 632
 633
 634         rrymweek = rrmweek;
 635         rrymweekday = rrmweekday;
 636         rrymonth = t_start.month;
 637         which_rryeartype_is_preselected = 0;
 638
 639         if (
 640                 (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX)
 641                 && (recur.by_day[0] != 0)
 642                 && (recur.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX)
 643                 && (recur.by_month[0] != 0)
 644         ) {
 645                 which_rryeartype_is_preselected = 1;
 646                 rrymweek = icalrecurrencetype_day_position(recur.by_day[0]);
 647                 rrymweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 648                 rrymonth = recur.by_month[0];
 649         }
 650
 651         wc_printf("<div id=\"yearday_selector\">");     /* begin 'yearday_selector' div */
 652
 653         wc_printf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ymday\" "
 654                 "value=\"rryeartype_ymday\" "
 655                 "%s onChange=\"RecurrenceShowHide();\">",
 656                 ((which_rryeartype_is_preselected == 0) ? "checked='checked'" : "")
 657         );
 658         wc_printf(_("every "));
 659         wc_printf("<span id=\"ymday\">%s</span><br />", _("year on this date"));
 660
 661         wc_printf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ywday\" "
 662                 "value=\"rryeartype_ywday\" "
 663                 "%s onChange=\"RecurrenceShowHide();\">",
 664                 ((which_rryeartype_is_preselected == 1) ? "checked='checked'" : "")
 665         );
 666
 667         wc_printf(_("on the "));
 668         wc_printf("<select name=\"rrymweek\" id=\"rrymweek\" size=\"1\" "
 669                 "onChange=\"RecurrenceShowHide();\">\n");
 670         for (i=1; i<=5; ++i) {
 671                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 672                         ((i==rrymweek) ? "selected='selected' " : ""),
 673                         i,
 674                         ordinals[i]
 675                 );
 676         }
 677         wc_printf("</select> \n");
 678
 679         wc_printf("<select name=\"rrymweekday\" id=\"rrymweekday\" size=\"1\" "
 680                 "onChange=\"RecurrenceShowHide();\">\n");
 681         for (j=0; j<7; ++j) {
 682                 i = ((j + (int)weekstart) % 7);
 683                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 684                         ((i==rrymweekday) ? "selected='selected' " : ""),
 685                         i,
 686                         weekday_labels[i]
 687                 );
 688         }
 689         wc_printf("</select>");
 690
 691         wc_printf(" %s ", _("of"));
 692
 693         wc_printf("<select name=\"rrymonth\" id=\"rrymonth\" size=\"1\" "
 694                 "onChange=\"RecurrenceShowHide();\">\n");
 695         for (i=1; i<=12; ++i) {
 696                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 697                         ((i==rrymonth) ? "selected='selected' " : ""),
 698                         i,
 699                         month_labels[i-1]
 700                 );
 701         }
 702         wc_printf("</select>");
 703         wc_printf("<br />\n");
 704
 705         wc_printf("</div>\n");                          /* end 'yearday_selector' div */
 706
 707         wc_printf("</td></tr>\n");
 708
 709
 710         which_rrend_is_preselected = 0;
 711         if (!icaltime_is_null_time(recur.until)) which_rrend_is_preselected = 2;
 712         if (recur.count > 0) which_rrend_is_preselected = 1;
 713
 714         wc_printf("<tr><td><b>");
 715         wc_printf(_("Recurrence range"));
 716         wc_printf("</b></td><td>\n");
 717
 718         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_none\" "
 719                 "value=\"rrend_none\" "
 720                 "%s onChange=\"RecurrenceShowHide();\">",
 721                 ((which_rrend_is_preselected == 0) ? "checked='checked'" : "")
 722         );
 723         wc_printf("%s<br />\n", _("No ending date"));
 724
 725         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_count\" "
 726                 "value=\"rrend_count\" "
 727                 "%s onChange=\"RecurrenceShowHide();\">",
 728                 ((which_rrend_is_preselected == 1) ? "checked='checked'" : "")
 729         );
 730         wc_printf(_("Repeat this event"));
 731         wc_printf(" <input type=\"text\" name=\"rrcount\" id=\"rrcount\" maxlength=\"3\" size=\"3\" ");
 732         wc_printf("value=\"%d\"> ", recur.count);
 733         wc_printf(_("times"));
 734         wc_printf("<br />\n");
 735
 736         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_until\" "
 737                 "value=\"rrend_until\" "
 738                 "%s onChange=\"RecurrenceShowHide();\">",
 739                 ((which_rrend_is_preselected == 2) ? "checked='checked'" : "")
 740         );
 741         wc_printf(_("Repeat this event until "));
 742
 743         if (icaltime_is_null_time(recur.until)) {
 744                 recur.until = icaltime_add(t_start, icaldurationtype_from_int(604800));
 745         }
 746         display_icaltimetype_as_webform(&recur.until, "rruntil", 1);
 747         wc_printf("<br />\n");
 748
 749         wc_printf("</td></tr>\n");
 750
 751         wc_printf("</table>\n");
 752         wc_printf("</div>\n");                          /* end 'rrule' div */
 753
 754         end_tab(2, 3);
 755
 756         /* submit buttons (common area beneath the tabs) */
 757         begin_tab(3, 3);
 758         wc_printf("<center>"
 759                 "<input type=\"submit\" name=\"save_button\" value=\"%s\">"
 760                 "&nbsp;&nbsp;"
 761                 "<input type=\"submit\" name=\"delete_button\" value=\"%s\">\n"
 762                 "&nbsp;&nbsp;"
 763                 "<input type=\"submit\" id=\"check_button\" name=\"check_button\" value=\"%s\">\n"
 764                 "&nbsp;&nbsp;"
 765                 "<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n"
 766                 "</center>\n",
 767                 _("Save"),
 768                 _("Delete"),
 769                 _("Check attendee availability"),
 770                 _("Cancel")
 771         );
 772         end_tab(3, 3);
 773         wc_printf("</form>\n");
 774
 775         wc_printf("</div>\n");                  /* end 'fix_scrollbar_bug' div */
 776
 777         StrBufAppendPrintf(WC->trailing_javascript,
 778                 "eventEditAllDay();             \n"
 779                 "RecurrenceShowHide();          \n"
 780                 "EnableOrDisableCheckButton();  \n"
 781         );
 782         address_book_popup();
 783         wDumpContent(1);
 784
 785         if (created_new_vevent) {
 786                 icalcomponent_free(vevent);
 787         }
 788 }
 789
 790 /*
 791  * Save an edited event
 792  *
 793  * supplied_vevent:     the event to save
 794  * msgnum:              the index on the citserver
 795  */
 796 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
 797                         int unread, calview *calv) {
 798         char buf[SIZ];
 799         icalproperty *prop;
 800         icalcomponent *vevent, *encaps;
 801         int created_new_vevent = 0;
 802         int all_day_event = 0;
 803         struct icaltimetype event_start, t;
 804         icalproperty *attendee = NULL;
 805         char attendee_string[SIZ];
 806         int i, j;
 807         int foundit;
 808         char form_attendees[SIZ];
 809         char organizer_string[SIZ];
 810         int sequence = 0;
 811         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 812
 813         if (supplied_vevent != NULL) {
 814                 vevent = supplied_vevent;
 815
 816                 /* Convert all timestamps to UTC to make them easier to process. */
 817                 ical_dezonify(vevent);
 818
 819                 /*
 820                  * If we're looking at a fully encapsulated VCALENDAR
 821                  * rather than a VEVENT component, attempt to use the first
 822                  * relevant VEVENT subcomponent.  If there is none, the
 823                  * NULL returned by icalcomponent_get_first_component() will
 824                  * tell the next iteration of this function to create a
 825                  * new one.
 826                  */
 827                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 828                         save_individual_event(
 829                                 icalcomponent_get_first_component(
 830                                         vevent, ICAL_VEVENT_COMPONENT),
 831                                 msgnum, from, unread, NULL
 832                         );
 833                         return;
 834                 }
 835         }
 836         else {
 837                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 838                 created_new_vevent = 1;
 839         }
 840
 841         if ( (havebstr("save_button"))
 842            || (havebstr("check_button")) ) {
 843
 844                 /* Replace values in the component with ones from the form */
 845
 846                 while (prop = icalcomponent_get_first_property(vevent,
 847                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 848                         icalcomponent_remove_property(vevent, prop);
 849                         icalproperty_free(prop);
 850                 }
 851
 852                 /* Add NOW() to the calendar object... */
 853                 icalcomponent_set_dtstamp(vevent,
 854                                           icaltime_from_timet(
 855                                                   time(NULL), 0));
 856
 857                 if (havebstr("summary")) {
 858                         icalcomponent_add_property(vevent,
 859                                         icalproperty_new_summary(bstr("summary")));
 860                 } else {
 861                         icalcomponent_add_property(vevent,
 862                                         icalproperty_new_summary(_("Untitled Event")));
 863                 }
 864
 865                 while (prop = icalcomponent_get_first_property(vevent,
 866                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 867                         icalcomponent_remove_property(vevent, prop);
 868                         icalproperty_free(prop);
 869                 }
 870                 if (havebstr("location")) {
 871                         icalcomponent_add_property(vevent,
 872                                         icalproperty_new_location(bstr("location")));
 873                 }
 874                 while (prop = icalcomponent_get_first_property(vevent,
 875                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 876                         icalcomponent_remove_property(vevent, prop);
 877                         icalproperty_free(prop);
 878                 }
 879                 if (havebstr("description")) {
 880                         icalcomponent_add_property(vevent,
 881                                 icalproperty_new_description(bstr("description")));
 882                 }
 883
 884                 while (prop = icalcomponent_get_first_property(vevent,
 885                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 886                         icalcomponent_remove_property(vevent, prop);
 887                         icalproperty_free(prop);
 888                 }
 889
 890                 if (yesbstr("alldayevent")) {
 891                         all_day_event = 1;
 892                 }
 893                 else {
 894                         all_day_event = 0;
 895                 }
 896
 897                 if (all_day_event) {
 898                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 899                 }
 900                 else {
 901                         icaltime_from_webform(&event_start, "dtstart");
 902                 }
 903
 904                 prop = icalproperty_new_dtstart(event_start);
 905
 906                 if (all_day_event) {
 907                         /* Force it to serialize as a date-only rather than date/time */
 908                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 909                 }
 910
 911                 if (prop) icalcomponent_add_property(vevent, prop);
 912                 else icalproperty_free(prop);
 913
 914                 while (prop = icalcomponent_get_first_property(vevent,
 915                       ICAL_DTEND_PROPERTY), prop != NULL) {
 916                         icalcomponent_remove_property(vevent, prop);
 917                         icalproperty_free(prop);
 918                 }
 919                 while (prop = icalcomponent_get_first_property(vevent,
 920                       ICAL_DURATION_PROPERTY), prop != NULL) {
 921                         icalcomponent_remove_property(vevent, prop);
 922                         icalproperty_free(prop);
 923                 }
 924
 925                 if (all_day_event) {
 926                         icaltime_from_webform_dateonly(&t, "dtend");
 927
 928                         /* with this field supposed to be non-inclusive we have to add one day */
 929                         icaltime_adjust(&t, 1, 0, 0, 0);
 930                 }
 931                 else {
 932                         icaltime_from_webform(&t, "dtend");
 933                 }
 934
 935                 icalcomponent_add_property(vevent,
 936                         icalproperty_new_dtend(icaltime_normalize(t)
 937                         )
 938                 );
 939
 940                 /* recurrence rules -- begin */
 941
 942                 /* remove any existing rule */
 943                 while (prop = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY), prop != NULL) {
 944                         icalcomponent_remove_property(vevent, prop);
 945                         icalproperty_free(prop);
 946                 }
 947
 948                 if (yesbstr("is_recur")) {
 949                         struct icalrecurrencetype recur;
 950                         icalrecurrencetype_clear(&recur);
 951
 952                         recur.interval = atoi(bstr("interval"));
 953                         recur.freq = atoi(bstr("freq"));
 954
 955                         switch(recur.freq) {
 956
 957                                 /* These can't happen; they're disabled. */
 958                                 case ICAL_SECONDLY_RECURRENCE:
 959                                         break;
 960                                 case ICAL_MINUTELY_RECURRENCE:
 961                                         break;
 962                                 case ICAL_HOURLY_RECURRENCE:
 963                                         break;
 964
 965                                 /* Daily is valid but there are no further inputs. */
 966                                 case ICAL_DAILY_RECURRENCE:
 967                                         break;
 968
 969                                 /* These are the real options. */
 970
 971                                 case ICAL_WEEKLY_RECURRENCE:
 972                                         j=0;
 973                                         for (i=0; i<7; ++i) {
 974                                                 snprintf(buf, sizeof buf, "weekday%d", i);
 975                                                 if (YESBSTR(buf)) recur.by_day[j++] =
 976                                                         icalrecurrencetype_day_day_of_week(i+1);
 977                                         }
 978                                         recur.by_day[j++] = ICAL_RECURRENCE_ARRAY_MAX;
 979                                         break;
 980
 981                                 case ICAL_MONTHLY_RECURRENCE:
 982                                         if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_mday")) {
 983                                                 recur.by_month_day[0] = event_start.day;
 984                                                 recur.by_month_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 985                                         }
 986                                         else if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_wday")) {
 987                                                 recur.by_day[0] = (atoi(bstr("rrmweek")) * 8)
 988                                                                 + atoi(bstr("rrmweekday")) + 1;
 989                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 990                                         }
 991                                         break;
 992
 993                                 case ICAL_YEARLY_RECURRENCE:
 994                                         if (!strcasecmp(bstr("rryeartype"), "rryeartype_ymday")) {
 995                                                 /* no further action is needed here */
 996                                         }
 997                                         else if (!strcasecmp(bstr("rryeartype"), "rryeartype_ywday")) {
 998                                                 recur.by_month[0] = atoi(bstr("rrymonth"));
 999                                                 recur.by_month[1] = ICAL_RECURRENCE_ARRAY_MAX;
1000                                                 recur.by_day[0] = (atoi(bstr("rrymweek")) * 8)
1001                                                                 + atoi(bstr("rrymweekday")) + 1;
1002                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
1003                                         }
1004                                         break;
1005
1006                                 /* This one can't happen either. */
1007                                 case ICAL_NO_RECURRENCE:
1008                                         break;
1009                         }
1010
1011                         if (!strcasecmp(bstr("rrend"), "rrend_count")) {
1012                                 recur.count = atoi(bstr("rrcount"));
1013                         }
1014                         else if (!strcasecmp(bstr("rrend"), "rrend_until")) {
1015                                 icaltime_from_webform_dateonly(&recur.until, "rruntil");
1016                         }
1017
1018                         icalcomponent_add_property(vevent, icalproperty_new_rrule(recur));
1019                 }
1020
1021                 /* recurrence rules -- end */
1022
1023                 /* See if transparency is indicated */
1024                 if (havebstr("transp")) {
1025                         if (!strcasecmp(bstr("transp"), "opaque")) {
1026                                 formtransp = ICAL_TRANSP_OPAQUE;
1027                         }
1028                         else if (!strcasecmp(bstr("transp"), "transparent")) {
1029                                 formtransp = ICAL_TRANSP_TRANSPARENT;
1030                         }
1031
1032                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
1033                               (prop != NULL)) {
1034                                 icalcomponent_remove_property(vevent, prop);
1035                                 icalproperty_free(prop);
1036                         }
1037
1038                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
1039                 }
1040
1041                 /* Give this event a UID if it doesn't have one. */
1042                 if (icalcomponent_get_first_property(vevent,
1043                    ICAL_UID_PROPERTY) == NULL) {
1044                         generate_uuid(buf);
1045                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
1046                 }
1047
1048                 /* Increment the sequence ID */
1049                 while (prop = icalcomponent_get_first_property(vevent,
1050                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
1051                         i = icalproperty_get_sequence(prop);
1052                         if (i > sequence) sequence = i;
1053                         icalcomponent_remove_property(vevent, prop);
1054                         icalproperty_free(prop);
1055                 }
1056                 ++sequence;
1057                 icalcomponent_add_property(vevent,
1058                         icalproperty_new_sequence(sequence)
1059                 );
1060
1061                 /*
1062                  * Set the organizer, only if one does not already exist *and*
1063                  * the form is supplying one
1064                  */
1065                 strcpy(buf, bstr("organizer"));
1066                 if ( (icalcomponent_get_first_property(vevent,
1067                    ICAL_ORGANIZER_PROPERTY) == NULL)
1068                    && (!IsEmptyStr(buf)) ) {
1069
1070                         /* set new organizer */
1071                         sprintf(organizer_string, "MAILTO:%s", buf);
1072                         icalcomponent_add_property(vevent,
1073                                 icalproperty_new_organizer(organizer_string)
1074                         );
1075
1076                 }
1077
1078                 /*
1079                  * Add any new attendees listed in the web form
1080                  */
1081
1082                 /* First, strip out the parenthesized partstats.  */
1083                 strcpy(form_attendees, bstr("attendees"));
1084                 while ( stripout(form_attendees, '(', ')') != 0);
1085
1086                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
1087                 j = strlen(form_attendees);
1088                 for (i=0; i<j; ++i) {
1089                         if (form_attendees[i] == ',') {
1090                                 form_attendees[i] = '\n';
1091                                 while (isspace(form_attendees[i+1])) {
1092                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
1093                                 }
1094                         }
1095                 }
1096
1097                 /* Now iterate! */
1098                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1099                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1100                         striplt(buf);
1101                         if (!IsEmptyStr(buf)) {
1102                                 sprintf(attendee_string, "MAILTO:%s", buf);
1103                                 foundit = 0;
1104
1105                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1106                                         if (!strcasecmp(attendee_string,
1107                                            icalproperty_get_attendee(attendee)))
1108                                                 ++foundit;
1109                                 }
1110
1111
1112                                 if (foundit == 0) {
1113                                         icalcomponent_add_property(vevent,
1114                                                 icalproperty_new_attendee(attendee_string)
1115                                         );
1116                                 }
1117                         }
1118                 }
1119
1120                 /*
1121                  * Remove any attendees *not* listed in the web form
1122                  */
1123 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1124                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
1125                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
1126                                 strcpy(attendee_string, &attendee_string[7]);
1127                                 striplt(attendee_string);
1128                                 foundit = 0;
1129                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1130                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1131                                         striplt(buf);
1132                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
1133                                 }
1134                                 if (foundit == 0) {
1135                                         icalcomponent_remove_property(vevent, attendee);
1136                                         icalproperty_free(attendee);
1137                                         goto STARTOVER;
1138                                 }
1139                         }
1140                 }
1141
1142                 /*
1143                  * Encapsulate event into full VCALENDAR component.  Clone it first,
1144                  * for two reasons: one, it's easier to just free the whole thing
1145                  * when we're done instead of unbundling, but more importantly, we
1146                  * can't encapsulate something that may already be encapsulated
1147                  * somewhere else.
1148                  */
1149                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
1150
1151                 /* Set the method to PUBLISH */
1152                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
1153
1154                 /* If the user clicked 'Save' then save it to the server. */
1155                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
1156                         serv_puts("ENT0 1|||4|||1|");
1157                         serv_getln(buf, sizeof buf);
1158                         if (buf[0] == '8') {
1159                                 serv_puts("Content-type: text/calendar");
1160                                 serv_puts("");
1161                                 serv_puts(icalcomponent_as_ical_string(encaps));
1162                                 serv_puts("000");
1163                         }
1164                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
1165                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1166                                 }
1167                         }
1168                         if (buf[0] == '2') {
1169                                 strcpy(WC->ImportantMessage, &buf[4]);
1170                         }
1171                         icalmemory_free_ring ();
1172                         icalcomponent_free(encaps);
1173                         encaps = NULL;
1174                 }
1175
1176                 /* Or, check attendee availability if the user asked for that. */
1177                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
1178
1179                         /* Call this function, which does the real work */
1180                         check_attendee_availability(encaps);
1181
1182                         /* This displays the form again, with our annotations */
1183                         display_edit_individual_event(encaps, msgnum, from, unread, NULL);
1184
1185                         icalcomponent_free(encaps);
1186                         encaps = NULL;
1187                 }
1188                 if (encaps != NULL) {
1189                         icalcomponent_free(encaps);
1190                         encaps = NULL;
1191                 }
1192
1193         }
1194
1195         /*
1196          * If the user clicked 'Delete' then delete it.
1197          */
1198         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
1199                 serv_printf("DELE %ld", lbstr("msgnum"));
1200                 serv_getln(buf, sizeof buf);
1201         }
1202
1203         if (created_new_vevent) {
1204                 icalcomponent_free(vevent);
1205         }
1206
1207         /* If this was a save or delete, go back to the calendar or summary view. */
1208         if (!havebstr("check_button")) {
1209                 if (!strcasecmp(bstr("calview"), "summary")) {
1210                         summary();
1211                 }
1212                 else {
1213                         readloop(readfwd, eUseDefault);
1214                 }
1215         }
1216 }