webcit/event.c

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