webcit/event.c

   1 /*
   2  * Editing calendar events.
   3  *
   4  * Copyright (c) 1996-2012 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, version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include "webcit.h"
  16 #include "webserver.h"
  17 #include "calendar.h"
  18
  19 /*
  20  * Display an event by itself (for editing)
  21  * supplied_vevent      the event to edit
  22  * msgnum               reference on the citserver
  23  */
  24 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
  25         int unread, calview *calv)
  26 {
  27         wcsession *WCC = WC;
  28         icalcomponent *vevent;
  29         icalproperty *p;
  30         icalvalue *v;
  31         struct icaltimetype t_start, t_end;
  32         time_t now;
  33         struct tm tm_now;
  34         int created_new_vevent = 0;
  35         icalproperty *organizer = NULL;
  36         char organizer_string[SIZ];
  37         icalproperty *attendee = NULL;
  38         char attendee_string[SIZ];
  39         char buf[SIZ];
  40         int organizer_is_me = 0;
  41         int i, j = 0;
  42         /************************************************************
  43          * Uncomment this to see the UID in calendar events for debugging
  44         int sequence = 0;
  45         */
  46         char weekday_labels[7][32];
  47         char month_labels[12][32];
  48         long weekstart = 0;
  49         icalproperty *rrule = NULL;
  50         struct icalrecurrencetype recur;
  51         char weekday_is_selected[7];
  52         int which_rrmonthtype_is_preselected = 0;
  53
  54         int rrmday;
  55         int rrmweekday;
  56
  57         icaltimetype day1;
  58         int weekbase;
  59         int rrmweek;
  60         int rrymweek;
  61         int rrymweekday;
  62         int rrymonth;
  63         int which_rrend_is_preselected;
  64         int which_rryeartype_is_preselected;
  65
  66         const char *ch;
  67         char *tabnames[3];
  68         const char *frequency_units[8];
  69         const char *ordinals[6];
  70
  71         frequency_units[0] = _("seconds");
  72         frequency_units[1] = _("minutes");
  73         frequency_units[2] = _("hours");
  74         frequency_units[3] = _("days");
  75         frequency_units[4] = _("weeks");
  76         frequency_units[5] = _("months");
  77         frequency_units[6] = _("years");
  78         frequency_units[7] = _("never");
  79
  80
  81         ordinals[0] = "0";
  82         ordinals[1] = _("first");
  83         ordinals[2] = _("second");
  84         ordinals[3] = _("third");
  85         ordinals[4] = _("fourth");
  86         ordinals[5] = _("fifth");
  87
  88
  89         tabnames[0] = _("Event");
  90         tabnames[1] = _("Attendees");
  91         tabnames[2] = _("Recurrence");
  92
  93         get_pref_long("weekstart", &weekstart, 17);
  94         if (weekstart > 6) weekstart = 0;
  95
  96         syslog(LOG_DEBUG, "display_edit_individual_event(%ld) calview=%s year=%s month=%s day=%s\n",
  97                 msgnum, bstr("calview"), bstr("year"), bstr("month"), bstr("day")
  98         );
  99
 100         /* populate the weekday names - begin */
 101         now = time(NULL);
 102         localtime_r(&now, &tm_now);
 103         while (tm_now.tm_wday != 0) {
 104                 now -= 86400L;
 105                 localtime_r(&now, &tm_now);
 106         }
 107         for (i=0; i<7; ++i) {
 108                 localtime_r(&now, &tm_now);
 109                 wc_strftime(weekday_labels[i], 32, "%A", &tm_now);
 110                 now += 86400L;
 111         }
 112         /* populate the weekday names - end */
 113
 114         /* populate the month names - begin */
 115         now = 259200L;  /* 1970-jan-04 is the first Sunday ever */
 116         localtime_r(&now, &tm_now);
 117         for (i=0; i<12; ++i) {
 118                 localtime_r(&now, &tm_now);
 119                 wc_strftime(month_labels[i], 32, "%B", &tm_now);
 120                 now += 2678400L;
 121         }
 122         /* populate the month names - end */
 123
 124         now = time(NULL);
 125         strcpy(organizer_string, "");
 126         strcpy(attendee_string, "");
 127
 128         if (supplied_vevent != NULL) {
 129                 vevent = supplied_vevent;
 130
 131                 /* Convert all timestamps to UTC to make them easier to process. */
 132                 ical_dezonify(vevent);
 133
 134                 /*
 135                  * If we're looking at a fully encapsulated VCALENDAR
 136                  * rather than a VEVENT component, attempt to use the first
 137                  * relevant VEVENT subcomponent.  If there is none, the
 138                  * NULL returned by icalcomponent_get_first_component() will
 139                  * tell the next iteration of this function to create a
 140                  * new one.
 141                  */
 142                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 143                         display_edit_individual_event(
 144                                 icalcomponent_get_first_component(
 145                                         vevent, ICAL_VEVENT_COMPONENT),
 146                                 msgnum, from, unread, NULL
 147                         );
 148                         return;
 149                 }
 150         }
 151         else {
 152                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 153                 created_new_vevent = 1;
 154         }
 155
 156         /* Learn the sequence */
 157         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
 158         /************************************************************
 159          * Uncomment this to see the UID in calendar events for debugging
 160         if (p != NULL) {
 161                 sequence = icalproperty_get_sequence(p);
 162         }
 163         */
 164         /* Begin output */
 165         output_headers(1, 1, 1, 0, 0, 0);
 166         wc_printf("<div id=\"room_banner_override\">\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=\"go\" value=\"");
 189         StrEscAppend(WCC->WBuf, WCC->CurRoom.name, NULL, 0, 0);
 190         wc_printf("\">\n");
 191
 192         wc_printf("<input type=\"hidden\" name=\"msgnum\" value=\"%ld\">\n",
 193                 msgnum);
 194         wc_printf("<input type=\"hidden\" name=\"calview\" value=\"%s\">\n",
 195                 bstr("calview"));
 196         wc_printf("<input type=\"hidden\" name=\"year\" value=\"%s\">\n",
 197                 bstr("year"));
 198         wc_printf("<input type=\"hidden\" name=\"month\" value=\"%s\">\n",
 199                 bstr("month"));
 200         wc_printf("<input type=\"hidden\" name=\"day\" value=\"%s\">\n",
 201                 bstr("day"));
 202
 203
 204         tabbed_dialog(3, tabnames);
 205         begin_tab(0, 3);
 206
 207         /* Put it in a borderless table so it lines up nicely */
 208         wc_printf("<table border='0' width='100%%'>\n");
 209
 210         wc_printf("<tr><td><b>");
 211         wc_printf(_("Summary"));
 212         wc_printf("</b></td><td>\n"
 213                 "<input type=\"text\" name=\"summary\" "
 214                 "maxlength=\"64\" size=\"64\" value=\"");
 215         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 216         if (p != NULL) {
 217                 escputs((char *)icalproperty_get_comment(p));
 218         }
 219         wc_printf("\"></td></tr>\n");
 220
 221         wc_printf("<tr><td><b>");
 222         wc_printf(_("Location"));
 223         wc_printf("</b></td><td>\n"
 224                 "<input type=\"text\" name=\"location\" "
 225                 "maxlength=\"64\" size=\"64\" value=\"");
 226         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 227         if (p != NULL) {
 228                 escputs((char *)icalproperty_get_comment(p));
 229         }
 230         wc_printf("\"></td></tr>\n");
 231
 232         wc_printf("<tr><td><b>");
 233         wc_printf(_("Start"));
 234         wc_printf("</b></td><td>\n");
 235         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 236         if (p != NULL) {
 237                 t_start = icalproperty_get_dtstart(p);
 238                 if (t_start.is_date) {
 239                         t_start.hour = 0;
 240                         t_start.minute = 0;
 241                         t_start.second = 0;
 242                 }
 243         }
 244         else {
 245                 localtime_r(&now, &tm_now);
 246                 if (havebstr("year")) {
 247                         tm_now.tm_year = ibstr("year") - 1900;
 248                         tm_now.tm_mon = ibstr("month") - 1;
 249                         tm_now.tm_mday = ibstr("day");
 250                 }
 251                 if (havebstr("hour")) {
 252                         tm_now.tm_hour = ibstr("hour");
 253                         tm_now.tm_min = ibstr("minute");
 254                         tm_now.tm_sec = 0;
 255                 }
 256                 else {
 257                         tm_now.tm_hour = 0;
 258                         tm_now.tm_min = 0;
 259                         tm_now.tm_sec = 0;
 260                 }
 261
 262                 t_start = icaltime_from_timet_with_zone(
 263                         mktime(&tm_now),
 264                         ((yesbstr("alldayevent")) ? 1 : 0),
 265                         icaltimezone_get_utc_timezone()
 266                 );
 267                 t_start.is_utc = 1;
 268
 269         }
 270         display_icaltimetype_as_webform(&t_start, "dtstart", 0);
 271
 272         wc_printf("<input type=\"checkbox\" id=\"alldayevent\" name=\"alldayevent\" "
 273                 "value=\"yes\" onclick=\"eventEditAllDay();\""
 274                 " %s >%s",
 275                 (t_start.is_date ? "checked=\"checked\"" : "" ),
 276                 _("All day event")
 277         );
 278
 279         wc_printf("</td></tr>\n");
 280
 281         wc_printf("<tr><td><b>");
 282         wc_printf(_("End"));
 283         wc_printf("</b></td><td id=\"dtendcell\">\n");
 284         p = icalcomponent_get_first_property(vevent,
 285                                                 ICAL_DTEND_PROPERTY);
 286         if (p != NULL) {
 287                 t_end = icalproperty_get_dtend(p);
 288
 289                 /*
 290                  * If this is an all-day-event, the end time is set to real end
 291                  * day + 1, so we have to adjust accordingly.
 292                  */
 293                 if (t_start.is_date) {
 294                         icaltime_adjust(&t_end, -1, 0, 0, 0);
 295                 }
 296         }
 297         else {
 298                 if (created_new_vevent == 1) {
 299                         /* set default duration */
 300                         if (t_start.is_date) {
 301                                 /*
 302                                  * If this is an all-day-event, set the end time to be identical to
 303                                  * the start time (the hour/minute/second will be set to midnight).
 304                                  */
 305                                 t_end = t_start;
 306                         }
 307                         else {
 308                                 /*
 309                                  * If this is not an all-day event and there is no
 310                                  * end time specified, make the default one hour
 311                                  * from the start time.
 312                                  */
 313                                 t_end = t_start;
 314                                 t_end.hour += 1;
 315                                 t_end.second = 0;
 316                                 t_end = icaltime_normalize(t_end);
 317                                 /* t_end = icaltime_from_timet(now, 0); */
 318                         }
 319                 }
 320                 else {
 321                         /*
 322                          * If an existing event has no end date/time this is
 323                          * supposed to mean end = start.
 324                          */
 325                         t_end = t_start;
 326                 }
 327         }
 328         display_icaltimetype_as_webform(&t_end, "dtend", 0);
 329         wc_printf("</td></tr>\n");
 330
 331         wc_printf("<tr><td><b>");
 332         wc_printf(_("Notes"));
 333         wc_printf("</b></td><td>\n"
 334                 "<textarea name=\"description\" "
 335                 "rows='5' cols='72' style='width:72'>\n"
 336         );
 337         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 338         if (p != NULL) {
 339                 escputs((char *)icalproperty_get_comment(p));
 340         }
 341         wc_printf("</textarea></td></tr>");
 342
 343         /*
 344          * For a new event, the user creating the event should be the
 345          * organizer.  Set this field accordingly.
 346          */
 347         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 348            == NULL) {
 349                 sprintf(organizer_string, "mailto:%s", ChrPtr(WC->cs_inet_email));
 350                 icalcomponent_add_property(vevent,
 351                         icalproperty_new_organizer(organizer_string)
 352                 );
 353         }
 354
 355         /*
 356          * Determine who is the organizer of this event.
 357          * We need to determine "me" or "not me."
 358          */
 359         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
 360         if (organizer != NULL) {
 361                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 362                 if (!strncasecmp(organizer_string, "mailto:", 7)) {
 363                         strcpy(organizer_string, &organizer_string[7]);
 364                         striplt(organizer_string);
 365                         serv_printf("ISME %s", organizer_string);
 366                         serv_getln(buf, sizeof buf);
 367                         if (buf[0] == '2') {
 368                                 organizer_is_me = 1;
 369                         }
 370                 }
 371         }
 372
 373         wc_printf("<tr><td><b>");
 374         wc_printf(_("Organizer"));
 375         wc_printf("</b></td><td>");
 376         escputs(organizer_string);
 377         if (organizer_is_me) {
 378                 wc_printf(" <font size='-1'><i>");
 379                 wc_printf(_("(you are the organizer)"));
 380                 wc_printf("</i></font>\n");
 381         }
 382
 383         /*
 384          * Transmit the organizer as a hidden field.   We don't want the user
 385          * to be able to change it, but we do want it fed back to the server,
 386          * especially if this is a new event and there is no organizer already
 387          * in the calendar object.
 388          */
 389         wc_printf("<input type=\"hidden\" name=\"organizer\" value=\"");
 390         escputs(organizer_string);
 391         wc_printf("\">");
 392
 393         wc_printf("</td></tr>\n");
 394
 395         /* Transparency */
 396         wc_printf("<tr><td><b>");
 397         wc_printf(_("Show time as:"));
 398         wc_printf("</b></td><td>");
 399
 400         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 401         if (p == NULL) {
 402                 /* No transparency found.  Default to opaque (busy). */
 403                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 404                 if (p != NULL) {
 405                         icalcomponent_add_property(vevent, p);
 406                 }
 407         }
 408         if (p != NULL) {
 409                 v = icalproperty_get_value(p);
 410         }
 411         else {
 412                 v = NULL;
 413         }
 414
 415         wc_printf("<input type=\"radio\" name=\"transp\" value=\"transparent\"");
 416         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)) {
 417                 wc_printf(" CHECKED");
 418         }
 419         wc_printf(">");
 420         wc_printf(_("Free"));
 421         wc_printf("&nbsp;&nbsp;");
 422
 423         wc_printf("<input type=\"radio\" name=\"transp\" value=\"opaque\"");
 424         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)) {
 425                 wc_printf(" CHECKED");
 426         }
 427         wc_printf(">");
 428         wc_printf(_("Busy"));
 429
 430         wc_printf("</td></tr>\n");
 431
 432
 433         /* Done with properties. */
 434         wc_printf("</TABLE>\n");
 435
 436         end_tab(0, 3);
 437
 438         /* Attendees tab (need to move things here) */
 439         begin_tab(1, 3);
 440         wc_printf("<table border='0' width='100%%'>\n");        /* same table style as the event tab */
 441         wc_printf("<tr><td><b>");
 442         wc_printf(_("Attendees"));
 443         wc_printf("</b><br>"
 444                 "<font size='-2'>");
 445         wc_printf(_("(One per line)"));
 446         wc_printf("</font>\n");
 447
 448         /* Pop open an address book -- begin */
 449         wc_printf(
 450                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
 451                 "title=\"%s\">"
 452                 "<img alt='' align='middle' border='0' width='16' height='16' src=\"static/webcit_icons/essen/16x16/contact.png\">"
 453                 "</a>",
 454                 _("Attendees"),
 455                 _("Contacts")
 456         );
 457         /* Pop open an address book -- end */
 458
 459         wc_printf("</td><td>"
 460                 "<textarea %s name=\"attendees\" id=\"attendees_box\" "
 461                 "onchange=\"EnableOrDisableCheckButton();\" "
 462                 "onKeyPress=\"EnableOrDisableCheckButton();\" "
 463                 "rows='10' cols='72' style='width:72'>\n",
 464                 (organizer_is_me ? "" : "disabled='disabled' ")
 465         );
 466         i = 0;
 467         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 468             attendee != NULL;
 469             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 470                 ch = icalproperty_get_attendee(attendee);
 471                 if ((ch != NULL) && !strncasecmp(ch, "mailto:", 7)) {
 472
 473                         /* screen name or email address */
 474                         safestrncpy(attendee_string, ch + 7, sizeof(attendee_string));
 475                         striplt(attendee_string);
 476                         if (i++) wc_printf("\n");
 477                         escputs(attendee_string);
 478                         wc_printf(" ");
 479
 480                         /* participant status */
 481                         partstat_as_string(buf, attendee);
 482                         escputs(buf);
 483                 }
 484         }
 485         wc_printf("</textarea></td></tr>\n");
 486         wc_printf("</table>\n");
 487         end_tab(1, 3);
 488
 489         /* Recurrence tab */
 490         begin_tab(2, 3);
 491
 492         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
 493         if (rrule) {
 494                 recur = icalproperty_get_rrule(rrule);
 495         }
 496         else {
 497                 /* blank recurrence with some sensible defaults */
 498                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
 499                 recur.count = 3;
 500                 recur.until = icaltime_null_time();
 501                 recur.interval = 1;
 502                 recur.freq = ICAL_WEEKLY_RECURRENCE;
 503         }
 504
 505         wc_printf("<input type=\"checkbox\" id=\"is_recur\" name=\"is_recur\" "
 506                 "value=\"yes\" "
 507                 "onclick=\"RecurrenceShowHide();\""
 508                 " %s >%s",
 509                 (rrule ? "checked=\"checked\"" : "" ),
 510                 _("This is a recurring event")
 511         );
 512
 513         wc_printf("<div id=\"rrule_div\">\n");          /* begin 'rrule_div' div */
 514
 515         wc_printf("<table border='0' cellspacing='10' width='100%%'>\n");
 516
 517         wc_printf("<tr><td><b>");
 518         wc_printf(_("Recurrence rule"));
 519         wc_printf("</b></td><td>");
 520
 521         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 522         wc_printf("%s ", _("Repeats every"));
 523
 524         wc_printf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 525         wc_printf("value=\"%d\">&nbsp;", recur.interval);
 526
 527         wc_printf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
 528                 "onChange=\"RecurrenceShowHide();\">\n");
 529         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 530                 wc_printf("<option %s%svalue=\"%d\">%s</option>\n",
 531                         ((i == recur.freq) ? "selected='selected' " : ""),
 532                         (((i == recur.freq) || ((i>=3)&&(i<=6))) ? "" : "disabled='disabled' "),
 533                         i,
 534                         frequency_units[i]
 535                 );
 536         }
 537         wc_printf("</select>\n");
 538
 539         wc_printf("<div id=\"weekday_selector\">");     /* begin 'weekday_selector' div */
 540         wc_printf("%s<br>", _("on these weekdays:"));
 541
 542         memset(weekday_is_selected, 0, 7);
 543
 544         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 545                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 546                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 547                 }
 548                 else {
 549                         for (j=0; j<7; ++j) {
 550                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
 551                                         weekday_is_selected[j] = 1;
 552                                 }
 553                         }
 554                 }
 555         }
 556
 557         for (j=0; j<7; ++j) {
 558                 i = ((j + (int)weekstart) % 7);
 559                 wc_printf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
 560                 if (weekday_is_selected[i]) wc_printf(" checked='checked'");
 561                 wc_printf(">%s\n", weekday_labels[i]);
 562         }
 563         wc_printf("</div>\n");                          /* end 'weekday_selector' div */
 564
 565
 566
 567
 568
 569         wc_printf("<div id=\"monthday_selector\">");    /* begin 'monthday_selector' div */
 570
 571         wc_printf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_mday\" "
 572                 "value=\"rrmonthtype_mday\" "
 573                 "%s onChange=\"RecurrenceShowHide();\">",
 574                 ((which_rrmonthtype_is_preselected == 0) ? "checked='checked'" : "")
 575         );
 576
 577         rrmday = t_start.day;
 578         rrmweekday = icaltime_day_of_week(t_start) - 1;
 579
 580         /* Figure out what week of the month we're in */
 581         day1 = t_start;
 582         day1.day = 1;
 583         weekbase = icaltime_week_number(day1);
 584         rrmweek = icaltime_week_number(t_start) - weekbase + 1;
 585
 586         /* Are we going by day of the month or week/day? */
 587
 588         if (recur.by_month_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 589                 which_rrmonthtype_is_preselected = 0;
 590                 rrmday = recur.by_month_day[0];
 591         }
 592         else if (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 593                 which_rrmonthtype_is_preselected = 1;
 594                 rrmweek = icalrecurrencetype_day_position(recur.by_day[0]);
 595                 rrmweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 596         }
 597
 598         wc_printf(_("on day %s%d%s of the month"), "<span id=\"rrmday\">", rrmday, "</span>");
 599         wc_printf("<br>\n");
 600
 601         wc_printf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_wday\" "
 602                 "value=\"rrmonthtype_wday\" "
 603                 "%s onChange=\"RecurrenceShowHide();\">",
 604                 ((which_rrmonthtype_is_preselected == 1) ? "checked='checked'" : "")
 605         );
 606
 607         wc_printf(_("on the "));
 608         wc_printf("<select name=\"rrmweek\" id=\"rrmweek\" size=\"1\" "
 609                 "onChange=\"RecurrenceShowHide();\">\n");
 610         for (i=1; i<=5; ++i) {
 611                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 612                         ((i==rrmweek) ? "selected='selected' " : ""),
 613                         i,
 614                         ordinals[i]
 615                 );
 616         }
 617         wc_printf("</select> \n");
 618
 619         wc_printf("<select name=\"rrmweekday\" id=\"rrmweekday\" size=\"1\" "
 620                 "onChange=\"RecurrenceShowHide();\">\n");
 621         for (j=0; j<7; ++j) {
 622                 i = ((j + (int)weekstart) % 7);
 623                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 624                         ((i==rrmweekday) ? "selected='selected' " : ""),
 625                         i,
 626                         weekday_labels[i]
 627                 );
 628         }
 629         wc_printf("</select>");
 630
 631         wc_printf(" %s<br>\n", _("of the month"));
 632
 633         wc_printf("</div>\n");                          /* end 'monthday_selector' div */
 634
 635
 636         rrymweek = rrmweek;
 637         rrymweekday = rrmweekday;
 638         rrymonth = t_start.month;
 639         which_rryeartype_is_preselected = 0;
 640
 641         if (
 642                 (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX)
 643                 && (recur.by_day[0] != 0)
 644                 && (recur.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX)
 645                 && (recur.by_month[0] != 0)
 646         ) {
 647                 which_rryeartype_is_preselected = 1;
 648                 rrymweek = icalrecurrencetype_day_position(recur.by_day[0]);
 649                 rrymweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 650                 rrymonth = recur.by_month[0];
 651         }
 652
 653         wc_printf("<div id=\"yearday_selector\">");     /* begin 'yearday_selector' div */
 654
 655         wc_printf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ymday\" "
 656                 "value=\"rryeartype_ymday\" "
 657                 "%s onChange=\"RecurrenceShowHide();\">",
 658                 ((which_rryeartype_is_preselected == 0) ? "checked='checked'" : "")
 659         );
 660         wc_printf(_("every "));
 661         wc_printf("<span id=\"ymday\">%s</span><br>", _("year on this date"));
 662
 663         wc_printf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ywday\" "
 664                 "value=\"rryeartype_ywday\" "
 665                 "%s onChange=\"RecurrenceShowHide();\">",
 666                 ((which_rryeartype_is_preselected == 1) ? "checked='checked'" : "")
 667         );
 668
 669         wc_printf(_("on the "));
 670         wc_printf("<select name=\"rrymweek\" id=\"rrymweek\" size=\"1\" "
 671                 "onChange=\"RecurrenceShowHide();\">\n");
 672         for (i=1; i<=5; ++i) {
 673                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 674                         ((i==rrymweek) ? "selected='selected' " : ""),
 675                         i,
 676                         ordinals[i]
 677                 );
 678         }
 679         wc_printf("</select> \n");
 680
 681         wc_printf("<select name=\"rrymweekday\" id=\"rrymweekday\" size=\"1\" "
 682                 "onChange=\"RecurrenceShowHide();\">\n");
 683         for (j=0; j<7; ++j) {
 684                 i = ((j + (int)weekstart) % 7);
 685                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 686                         ((i==rrymweekday) ? "selected='selected' " : ""),
 687                         i,
 688                         weekday_labels[i]
 689                 );
 690         }
 691         wc_printf("</select>");
 692
 693         wc_printf(" %s ", _("of"));
 694
 695         wc_printf("<select name=\"rrymonth\" id=\"rrymonth\" size=\"1\" "
 696                 "onChange=\"RecurrenceShowHide();\">\n");
 697         for (i=1; i<=12; ++i) {
 698                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 699                         ((i==rrymonth) ? "selected='selected' " : ""),
 700                         i,
 701                         month_labels[i-1]
 702                 );
 703         }
 704         wc_printf("</select>");
 705         wc_printf("<br>\n");
 706
 707         wc_printf("</div>\n");                          /* end 'yearday_selector' div */
 708
 709         wc_printf("</td></tr>\n");
 710
 711
 712         which_rrend_is_preselected = 0;
 713         if (!icaltime_is_null_time(recur.until)) which_rrend_is_preselected = 2;
 714         if (recur.count > 0) which_rrend_is_preselected = 1;
 715
 716         wc_printf("<tr><td><b>");
 717         wc_printf(_("Recurrence range"));
 718         wc_printf("</b></td><td>\n");
 719
 720         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_none\" "
 721                 "value=\"rrend_none\" "
 722                 "%s onChange=\"RecurrenceShowHide();\">",
 723                 ((which_rrend_is_preselected == 0) ? "checked='checked'" : "")
 724         );
 725         wc_printf("%s<br>\n", _("No ending date"));
 726
 727         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_count\" "
 728                 "value=\"rrend_count\" "
 729                 "%s onChange=\"RecurrenceShowHide();\">",
 730                 ((which_rrend_is_preselected == 1) ? "checked='checked'" : "")
 731         );
 732         wc_printf(_("Repeat this event"));
 733         wc_printf(" <input type=\"text\" name=\"rrcount\" id=\"rrcount\" maxlength=\"3\" size=\"3\" ");
 734         wc_printf("value=\"%d\"> ", recur.count);
 735         wc_printf(_("times"));
 736         wc_printf("<br>\n");
 737
 738         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_until\" "
 739                 "value=\"rrend_until\" "
 740                 "%s onChange=\"RecurrenceShowHide();\">",
 741                 ((which_rrend_is_preselected == 2) ? "checked='checked'" : "")
 742         );
 743         wc_printf(_("Repeat this event until "));
 744
 745         if (icaltime_is_null_time(recur.until)) {
 746                 recur.until = icaltime_add(t_start, icaldurationtype_from_int(604800));
 747         }
 748         display_icaltimetype_as_webform(&recur.until, "rruntil", 1);
 749         wc_printf("<br>\n");
 750
 751         wc_printf("</td></tr>\n");
 752
 753         wc_printf("</table>\n");
 754         wc_printf("</div>\n");                          /* end 'rrule' div */
 755
 756         end_tab(2, 3);
 757
 758         /* submit buttons (common area beneath the tabs) */
 759         begin_tab(3, 3);
 760         wc_printf("<center>"
 761                 "<input type=\"submit\" name=\"save_button\" value=\"%s\">"
 762                 "&nbsp;&nbsp;"
 763                 "<input type=\"submit\" name=\"delete_button\" value=\"%s\">\n"
 764                 "&nbsp;&nbsp;"
 765                 "<input type=\"submit\" id=\"check_button\" name=\"check_button\" value=\"%s\">\n"
 766                 "&nbsp;&nbsp;"
 767                 "<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n"
 768                 "</center>\n",
 769                 _("Save"),
 770                 _("Delete"),
 771                 _("Check attendee availability"),
 772                 _("Cancel")
 773         );
 774         end_tab(3, 3);
 775         wc_printf("</form>\n");
 776
 777         StrBufAppendPrintf(WC->trailing_javascript,
 778                 "eventEditAllDay();             \n"
 779                 "RecurrenceShowHide();          \n"
 780                 "EnableOrDisableCheckButton();  \n"
 781         );
 782         do_template("addressbook_popup");
 783
 784         wDumpContent(1);
 785
 786         if (created_new_vevent) {
 787                 icalcomponent_free(vevent);
 788         }
 789 }
 790
 791 /*
 792  * Save an edited event
 793  *
 794  * supplied_vevent:     the event to save
 795  * msgnum:              the index on the citserver
 796  */
 797 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
 798                         int unread, calview *calv) {
 799         StrBuf *Buf;
 800         char buf[SIZ];
 801         icalproperty *prop;
 802         icalcomponent *vevent, *encaps;
 803         int created_new_vevent = 0;
 804         int all_day_event = 0;
 805         struct icaltimetype event_start, t;
 806         icalproperty *attendee = NULL;
 807         char attendee_string[SIZ];
 808         int i, j;
 809         int foundit;
 810         char form_attendees[SIZ];
 811         char organizer_string[SIZ];
 812         int sequence = 0;
 813         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 814         const char *ch;
 815
 816         if (supplied_vevent != NULL) {
 817                 vevent = supplied_vevent;
 818
 819                 /* Convert all timestamps to UTC to make them easier to process. */
 820                 ical_dezonify(vevent);
 821
 822                 /*
 823                  * If we're looking at a fully encapsulated VCALENDAR
 824                  * rather than a VEVENT component, attempt to use the first
 825                  * relevant VEVENT subcomponent.  If there is none, the
 826                  * NULL returned by icalcomponent_get_first_component() will
 827                  * tell the next iteration of this function to create a
 828                  * new one.
 829                  */
 830                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 831                         save_individual_event(
 832                                 icalcomponent_get_first_component(
 833                                         vevent, ICAL_VEVENT_COMPONENT),
 834                                 msgnum, from, unread, NULL
 835                         );
 836                         return;
 837                 }
 838         }
 839         else {
 840                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 841                 created_new_vevent = 1;
 842         }
 843
 844         if ( (havebstr("save_button"))
 845            || (havebstr("check_button")) ) {
 846
 847                 /* Replace values in the component with ones from the form */
 848
 849                 while (prop = icalcomponent_get_first_property(vevent,
 850                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 851                         icalcomponent_remove_property(vevent, prop);
 852                         icalproperty_free(prop);
 853                 }
 854
 855                 /* Add NOW() to the calendar object... */
 856                 icalcomponent_set_dtstamp(vevent,
 857                                           icaltime_from_timet(
 858                                                   time(NULL), 0));
 859
 860                 if (havebstr("summary")) {
 861                         icalcomponent_add_property(vevent,
 862                                         icalproperty_new_summary(bstr("summary")));
 863                 } else {
 864                         icalcomponent_add_property(vevent,
 865                                         icalproperty_new_summary(_("Untitled Event")));
 866                 }
 867
 868                 while (prop = icalcomponent_get_first_property(vevent,
 869                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 870                         icalcomponent_remove_property(vevent, prop);
 871                         icalproperty_free(prop);
 872                 }
 873                 if (havebstr("location")) {
 874                         icalcomponent_add_property(vevent,
 875                                         icalproperty_new_location(bstr("location")));
 876                 }
 877                 while (prop = icalcomponent_get_first_property(vevent,
 878                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 879                         icalcomponent_remove_property(vevent, prop);
 880                         icalproperty_free(prop);
 881                 }
 882                 if (havebstr("description")) {
 883                         icalcomponent_add_property(vevent,
 884                                 icalproperty_new_description(bstr("description")));
 885                 }
 886
 887                 while (prop = icalcomponent_get_first_property(vevent,
 888                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 889                         icalcomponent_remove_property(vevent, prop);
 890                         icalproperty_free(prop);
 891                 }
 892
 893                 if (yesbstr("alldayevent")) {
 894                         all_day_event = 1;
 895                 }
 896                 else {
 897                         all_day_event = 0;
 898                 }
 899
 900                 if (all_day_event) {
 901                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 902                 }
 903                 else {
 904                         icaltime_from_webform(&event_start, "dtstart");
 905                 }
 906
 907                 prop = icalproperty_new_dtstart(event_start);
 908
 909                 if (all_day_event) {
 910                         /* Force it to serialize as a date-only rather than date/time */
 911                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 912                 }
 913
 914                 if (prop) icalcomponent_add_property(vevent, prop);
 915                 else icalproperty_free(prop);
 916
 917                 while (prop = icalcomponent_get_first_property(vevent,
 918                       ICAL_DTEND_PROPERTY), prop != NULL) {
 919                         icalcomponent_remove_property(vevent, prop);
 920                         icalproperty_free(prop);
 921                 }
 922                 while (prop = icalcomponent_get_first_property(vevent,
 923                       ICAL_DURATION_PROPERTY), prop != NULL) {
 924                         icalcomponent_remove_property(vevent, prop);
 925                         icalproperty_free(prop);
 926                 }
 927
 928                 if (all_day_event) {
 929                         icaltime_from_webform_dateonly(&t, "dtend");
 930
 931                         /* with this field supposed to be non-inclusive we have to add one day */
 932                         icaltime_adjust(&t, 1, 0, 0, 0);
 933                 }
 934                 else {
 935                         icaltime_from_webform(&t, "dtend");
 936                 }
 937
 938                 icalcomponent_add_property(vevent,
 939                         icalproperty_new_dtend(icaltime_normalize(t)
 940                         )
 941                 );
 942
 943                 /* recurrence rules -- begin */
 944
 945                 /* remove any existing rule */
 946                 while (prop = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY), prop != NULL) {
 947                         icalcomponent_remove_property(vevent, prop);
 948                         icalproperty_free(prop);
 949                 }
 950
 951                 if (yesbstr("is_recur")) {
 952                         struct icalrecurrencetype recur;
 953                         icalrecurrencetype_clear(&recur);
 954
 955                         recur.interval = atoi(bstr("interval"));
 956                         recur.freq = atoi(bstr("freq"));
 957
 958                         switch(recur.freq) {
 959
 960                                 /* These can't happen; they're disabled. */
 961                                 case ICAL_SECONDLY_RECURRENCE:
 962                                         break;
 963                                 case ICAL_MINUTELY_RECURRENCE:
 964                                         break;
 965                                 case ICAL_HOURLY_RECURRENCE:
 966                                         break;
 967
 968                                 /* Daily is valid but there are no further inputs. */
 969                                 case ICAL_DAILY_RECURRENCE:
 970                                         break;
 971
 972                                 /* These are the real options. */
 973
 974                                 case ICAL_WEEKLY_RECURRENCE:
 975                                         j=0;
 976                                         for (i=0; i<7; ++i) {
 977                                                 snprintf(buf, sizeof buf, "weekday%d", i);
 978                                                 if (YESBSTR(buf)) recur.by_day[j++] =
 979                                                         icalrecurrencetype_day_day_of_week(i+1);
 980                                         }
 981                                         recur.by_day[j++] = ICAL_RECURRENCE_ARRAY_MAX;
 982                                         break;
 983
 984                                 case ICAL_MONTHLY_RECURRENCE:
 985                                         if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_mday")) {
 986                                                 recur.by_month_day[0] = event_start.day;
 987                                                 recur.by_month_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 988                                         }
 989                                         else if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_wday")) {
 990                                                 recur.by_day[0] = (atoi(bstr("rrmweek")) * 8)
 991                                                                 + atoi(bstr("rrmweekday")) + 1;
 992                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 993                                         }
 994                                         break;
 995
 996                                 case ICAL_YEARLY_RECURRENCE:
 997                                         if (!strcasecmp(bstr("rryeartype"), "rryeartype_ymday")) {
 998                                                 /* no further action is needed here */
 999                                         }
1000                                         else if (!strcasecmp(bstr("rryeartype"), "rryeartype_ywday")) {
1001                                                 recur.by_month[0] = atoi(bstr("rrymonth"));
1002                                                 recur.by_month[1] = ICAL_RECURRENCE_ARRAY_MAX;
1003                                                 recur.by_day[0] = (atoi(bstr("rrymweek")) * 8)
1004                                                                 + atoi(bstr("rrymweekday")) + 1;
1005                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
1006                                         }
1007                                         break;
1008
1009                                 /* This one can't happen either. */
1010                                 case ICAL_NO_RECURRENCE:
1011                                         break;
1012                         }
1013
1014                         if (!strcasecmp(bstr("rrend"), "rrend_count")) {
1015                                 recur.count = atoi(bstr("rrcount"));
1016                         }
1017                         else if (!strcasecmp(bstr("rrend"), "rrend_until")) {
1018                                 icaltime_from_webform_dateonly(&recur.until, "rruntil");
1019                         }
1020
1021                         icalcomponent_add_property(vevent, icalproperty_new_rrule(recur));
1022                 }
1023
1024                 /* recurrence rules -- end */
1025
1026                 /* See if transparency is indicated */
1027                 if (havebstr("transp")) {
1028                         if (!strcasecmp(bstr("transp"), "opaque")) {
1029                                 formtransp = ICAL_TRANSP_OPAQUE;
1030                         }
1031                         else if (!strcasecmp(bstr("transp"), "transparent")) {
1032                                 formtransp = ICAL_TRANSP_TRANSPARENT;
1033                         }
1034
1035                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
1036                               (prop != NULL)) {
1037                                 icalcomponent_remove_property(vevent, prop);
1038                                 icalproperty_free(prop);
1039                         }
1040
1041                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
1042                 }
1043
1044                 /* Give this event a UID if it doesn't have one. */
1045                 if (icalcomponent_get_first_property(vevent,
1046                    ICAL_UID_PROPERTY) == NULL) {
1047                         generate_uuid(buf);
1048                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
1049                 }
1050
1051                 /* Increment the sequence ID */
1052                 while (prop = icalcomponent_get_first_property(vevent,
1053                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
1054                         i = icalproperty_get_sequence(prop);
1055                         if (i > sequence) sequence = i;
1056                         icalcomponent_remove_property(vevent, prop);
1057                         icalproperty_free(prop);
1058                 }
1059                 ++sequence;
1060                 icalcomponent_add_property(vevent,
1061                         icalproperty_new_sequence(sequence)
1062                 );
1063
1064                 /*
1065                  * Set the organizer, only if one does not already exist *and*
1066                  * the form is supplying one
1067                  */
1068                 strcpy(buf, bstr("organizer"));
1069                 if ( (icalcomponent_get_first_property(vevent,
1070                    ICAL_ORGANIZER_PROPERTY) == NULL)
1071                    && (!IsEmptyStr(buf)) ) {
1072
1073                         /* set new organizer */
1074                         sprintf(organizer_string, "MAILTO:%s", buf);
1075                         icalcomponent_add_property(vevent,
1076                                 icalproperty_new_organizer(organizer_string)
1077                         );
1078
1079                 }
1080
1081                 /*
1082                  * Add any new attendees listed in the web form
1083                  */
1084
1085                 /* First, strip out the parenthesized partstats.  */
1086                 strcpy(form_attendees, bstr("attendees"));
1087                 while ( stripout(form_attendees, '(', ')') != 0);
1088
1089                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
1090                 j = strlen(form_attendees);
1091                 for (i=0; i<j; ++i) {
1092                         if (form_attendees[i] == ',') {
1093                                 form_attendees[i] = '\n';
1094                                 while (isspace(form_attendees[i+1])) {
1095                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
1096                                 }
1097                         }
1098                 }
1099
1100                 /* Now iterate! */
1101                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1102                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1103                         striplt(buf);
1104                         if (!IsEmptyStr(buf)) {
1105                                 sprintf(attendee_string, "MAILTO:%s", buf);
1106                                 foundit = 0;
1107
1108                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1109                                         ch = icalproperty_get_attendee(attendee);
1110                                         if ((ch != NULL) && !strcasecmp(attendee_string, ch))
1111                                                 ++foundit;
1112                                 }
1113
1114
1115                                 if (foundit == 0) {
1116                                         icalcomponent_add_property(vevent,
1117                                                                    icalproperty_new_attendee(attendee_string)
1118                                         );
1119                                 }
1120                         }
1121                 }
1122
1123                 /*
1124                  * Remove any attendees *not* listed in the web form
1125                  */
1126 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1127                         ch = icalproperty_get_attendee(attendee);
1128                         if ((ch != NULL) && !strncasecmp(ch, "MAILTO:", 7)) {
1129                                 safestrncpy(attendee_string, ch + 7, sizeof(attendee_string));
1130                                 striplt(attendee_string);
1131                                 foundit = 0;
1132                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1133                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1134                                         striplt(buf);
1135                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
1136                                 }
1137                                 if (foundit == 0) {
1138                                         icalcomponent_remove_property(vevent, attendee);
1139                                         icalproperty_free(attendee);
1140                                         goto STARTOVER;
1141                                 }
1142                         }
1143                 }
1144
1145                 /*
1146                  * Encapsulate event into full VCALENDAR component.  Clone it first,
1147                  * for two reasons: one, it's easier to just free the whole thing
1148                  * when we're done instead of unbundling, but more importantly, we
1149                  * can't encapsulate something that may already be encapsulated
1150                  * somewhere else.
1151                  */
1152                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
1153
1154                 /* Set the method to PUBLISH */
1155                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
1156
1157                 /* If the user clicked 'Save' then save it to the server. */
1158                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
1159                         serv_puts("ENT0 1|||4|||1|");
1160                         serv_getln(buf, sizeof buf);
1161                         switch (buf[0]) {
1162                         case '8':
1163                                 serv_puts("Content-type: text/calendar");
1164                                 serv_puts("Content-Transfer-Encoding: quoted-printable");
1165                                 serv_puts("");
1166                                 Buf = NewStrBufPlain(icalcomponent_as_ical_string(encaps), -1);
1167                                 text_to_server_qp(Buf);
1168                                 FreeStrBuf(&Buf);
1169 //                              serv_puts(icalcomponent_as_ical_string(encaps));
1170                                 serv_puts("000");
1171                         case '4':
1172                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {}
1173                                 break;
1174                         case '2':
1175                                 AppendImportantMessage(buf + 4, - 1);
1176                                 break;
1177                         default:
1178                                 break;
1179                         }
1180                         icalmemory_free_ring ();
1181                         icalcomponent_free(encaps);
1182                         encaps = NULL;
1183                 }
1184
1185                 /* Or, check attendee availability if the user asked for that. */
1186                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
1187
1188                         /* Call this function, which does the real work */
1189                         check_attendee_availability(encaps);
1190
1191                         /* This displays the form again, with our annotations */
1192                         display_edit_individual_event(encaps, msgnum, from, unread, NULL);
1193
1194                         icalcomponent_free(encaps);
1195                         encaps = NULL;
1196                 }
1197                 if (encaps != NULL) {
1198                         icalcomponent_free(encaps);
1199                         encaps = NULL;
1200                 }
1201
1202         }
1203
1204         /*
1205          * If the user clicked 'Delete' then delete it.
1206          */
1207         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
1208                 serv_printf("DELE %ld", lbstr("msgnum"));
1209                 serv_getln(buf, sizeof buf);
1210         }
1211
1212         if (created_new_vevent) {
1213                 icalcomponent_free(vevent);
1214         }
1215
1216         /* If this was a save or delete, go back to the calendar or summary view. */
1217         if (!havebstr("check_button")) {
1218                 if (!strcasecmp(bstr("calview"), "summary")) {
1219                         display_summary_page();
1220                 }
1221                 else {
1222                         readloop(readfwd, eUseDefault);
1223                 }
1224         }
1225 }