rc1: plugins/calendar/calendar_ui.js comparison

comparison plugins/calendar/calendar_ui.js @ 3:f6fe4b6ae66a

calendar plugin nearly as distributed

author	Charlie Root
date	Sat, 13 Jan 2018 08:56:12 -0500
parents
children	ff1f27bd05ad

comparison

equal deleted inserted replaced

-:c828b0fd4a6e
+:f6fe4b6ae66a
+/**
+* Client UI Javascript for the Calendar plugin
+*
+* @author Lazlo Westerhof <hello@lazlo.me>
+* @author Thomas Bruederli <bruederli@kolabsys.com>
+*
+* @licstart  The following is the entire license notice for the
+* JavaScript code in this file.
+*
+* Copyright (C) 2010, Lazlo Westerhof <hello@lazlo.me>
+* Copyright (C) 2014-2015, Kolab Systems AG <contact@kolabsys.com>
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as
+* published by the Free Software Foundation, either version 3 of the
+* License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
+* @licend  The above is the entire license notice
+* for the JavaScript code in this file.
+*/
+// Roundcube calendar UI client class
+function rcube_calendar_ui(settings)
+{
+// extend base class
+rcube_calendar.call(this, settings);
+/***  member vars  ***/
+this.is_loading = false;
+this.selected_event = null;
+this.selected_calendar = null;
+this.search_request = null;
+this.saving_lock = null;
+this.calendars = {};
+this.quickview_sources = [];
+/***  private vars  ***/
+var DAY_MS = 86400000;
+var HOUR_MS = 3600000;
+var me = this;
+var day_clicked = day_clicked_ts = 0;
+var ignore_click = false;
+var event_defaults = { free_busy:'busy', alarms:'' };
+var event_attendees = [];
+var calendars_list;
+var calenders_search_list;
+var calenders_search_container;
+var search_calendars = {};
+var attendees_list;
+var resources_list;
+var resources_treelist;
+var resources_data = {};
+var resources_index = [];
+var resource_owners = {};
+var resources_events_source = { url:null, editable:false };
+var freebusy_ui = { workinhoursonly:false, needsupdate:false };
+var freebusy_data = {};
+var current_view = null;
+var count_sources = [];
+var exec_deferred = bw.ie6 ? 5 : 1;
+var sensitivitylabels = { 'public':rcmail.gettext('public','calendar'), 'private':rcmail.gettext('private','calendar'), 'confidential':rcmail.gettext('confidential','calendar') };
+var ui_loading = rcmail.set_busy(true, 'loading');
+// general datepicker settings
+var datepicker_settings = {
+// translate from fullcalendar format to datepicker format
+dateFormat: settings['date_format'].replace(/M/g, 'm').replace(/mmmmm/, 'MM').replace(/mmm/, 'M').replace(/dddd/, 'DD').replace(/ddd/, 'D').replace(/yy/g, 'y'),
+firstDay : settings['first_day'],
+dayNamesMin: settings['days_short'],
+monthNames: settings['months'],
+monthNamesShort: settings['months'],
+changeMonth: false,
+showOtherMonths: true,
+selectOtherMonths: true
+};
+// global fullcalendar settings
+var fullcalendar_defaults = {
+aspectRatio: 1,
+ignoreTimezone: true,  // will treat the given date strings as in local (browser's) timezone
+monthNames : settings.months,
+monthNamesShort : settings.months_short,
+dayNames : settings.days,
+dayNamesShort : settings.days_short,
+firstDay : settings.first_day,
+firstHour : settings.first_hour,
+slotMinutes : 60/settings.timeslots,
+timeFormat: {
+'': settings.time_format,
+agenda: settings.time_format + '{ - ' + settings.time_format + '}',
+list: settings.time_format + '{ - ' + settings.time_format + '}',
+table: settings.time_format + '{ - ' + settings.time_format + '}'
+},
+axisFormat : settings.time_format,
+columnFormat: {
+month: 'ddd', // Mon
+week: 'ddd ' + settings.date_short, // Mon 9/7
+day: 'dddd ' + settings.date_short,  // Monday 9/7
+table: settings.date_agenda
+},
+titleFormat: {
+month: 'MMMM yyyy',
+week: settings.dates_long,
+day: 'dddd ' + settings['date_long'],
+table: settings.dates_long
+},
+listPage: 7,  // advance one week in agenda view
+listRange: settings.agenda_range,
+listSections: settings.agenda_sections,
+tableCols: ['handle', 'date', 'time', 'title', 'location'],
+defaultView: rcmail.env.view || settings.default_view,
+allDayText: rcmail.gettext('all-day', 'calendar'),
+buttonText: {
+prev: '&nbsp;&#9668;&nbsp;',
+next: '&nbsp;&#9658;&nbsp;',
+today: settings['today'],
+day: rcmail.gettext('day', 'calendar'),
+week: rcmail.gettext('week', 'calendar'),
+month: rcmail.gettext('month', 'calendar'),
+table: rcmail.gettext('agenda', 'calendar')
+},
+listTexts: {
+until: rcmail.gettext('until', 'calendar'),
+past: rcmail.gettext('pastevents', 'calendar'),
+today: rcmail.gettext('today', 'calendar'),
+tomorrow: rcmail.gettext('tomorrow', 'calendar'),
+thisWeek: rcmail.gettext('thisweek', 'calendar'),
+nextWeek: rcmail.gettext('nextweek', 'calendar'),
+thisMonth: rcmail.gettext('thismonth', 'calendar'),
+nextMonth: rcmail.gettext('nextmonth', 'calendar'),
+future: rcmail.gettext('futureevents', 'calendar'),
+week: rcmail.gettext('weekofyear', 'calendar')
+},
+currentTimeIndicator: settings.time_indicator,
+// event rendering
+eventRender: function(event, element, view) {
+if (view.name != 'list' && view.name != 'table') {
+var prefix = event.sensitivity && event.sensitivity != 'public' ? String(sensitivitylabels[event.sensitivity]).toUpperCase()+': ' : '';
+element.attr('title', prefix + event.title);
+}
+if (view.name != 'month') {
+if (event.location) {
+element.find('div.fc-event-title').after('<div class="fc-event-location">@&nbsp;' + Q(event.location) + '</div>');
+}
+if (event.sensitivity && event.sensitivity != 'public')
+element.find('div.fc-event-time').append('<i class="fc-icon-sensitive"></i>');
+if (event.recurrence)
+element.find('div.fc-event-time').append('<i class="fc-icon-recurring"></i>');
+if (event.alarms || (event.valarms && event.valarms.length))
+element.find('div.fc-event-time').append('<i class="fc-icon-alarms"></i>');
+}
+if (event.status) {
+element.addClass('cal-event-status-' + String(event.status).toLowerCase());
+}
+element.attr('aria-label', event.title + ', ' + me.event_date_text(event, true));
+},
+// render element indicating more (invisible) events
+overflowRender: function(data, element) {
+element.html(rcmail.gettext('andnmore', 'calendar').replace('$nr', data.count))
+.click(function(e){ me.fisheye_view(data.date); });
+},
+// callback when a specific event is clicked
+eventClick: function(event, ev, view) {
+if (!event.temp && String(event.className).indexOf('fc-type-freebusy') < 0)
+event_show_dialog(event, ev);
+}
+};
+/***  imports  ***/
+var Q = this.quote_html;
+var text2html = this.text2html;
+var event_date_text = this.event_date_text;
+var parse_datetime = this.parse_datetime;
+var date2unixtime = this.date2unixtime;
+var fromunixtime = this.fromunixtime;
+var parseISO8601 = this.parseISO8601;
+var date2servertime = this.date2ISO8601;
+var render_message_links = this.render_message_links;
+/***  private methods  ***/
+// same as str.split(delimiter) but it ignores delimiters within quoted strings
+var explode_quoted_string = function(str, delimiter)
+{
+var result = [],
+strlen = str.length,
+q, p, i, chr, last;
+for (q = p = i = 0; i < strlen; i++) {
+chr = str.charAt(i);
+if (chr == '"' && last != '\\') {
+q = !q;
+}
+else if (!q && chr == delimiter) {
+result.push(str.substring(p, i));
+p = i + 1;
+}
+last = chr;
+}
+result.push(str.substr(p));
+return result;
+};
+// Change the first charcter to uppercase
+var ucfirst = function(str)
+{
+return str.charAt(0).toUpperCase() + str.substr(1);
+};
+// clone the given date object and optionally adjust time
+var clone_date = function(date, adjust)
+{
+var d = new Date(date.getTime());
+// set time to 00:00
+if (adjust == 1) {
+d.setHours(0);
+d.setMinutes(0);
+}
+// set time to 23:59
+else if (adjust == 2) {
+d.setHours(23);
+d.setMinutes(59);
+}
+return d;
+};
+// fix date if jumped over a DST change
+var fix_date = function(date)
+{
+if (date.getHours() == 23)
+date.setTime(date.getTime() + HOUR_MS);
+else if (date.getHours() > 0)
+date.setHours(0);
+};
+var date2timestring = function(date, dateonly)
+{
+return date2servertime(date).replace(/[^0-9]/g, '').substr(0, (dateonly ? 8 : 14));
+}
+var format_datetime = function(date, mode, voice)
+{
+return me.format_datetime(date, mode, voice);
+}
+var render_link = function(url)
+{
+var islink = false, href = url;
+if (url.match(/^[fhtpsmailo]+?:\/\//i)) {
+islink = true;
+}
+else if (url.match(/^[a-z0-9.-:]+(\/|$)/i)) {
+islink = true;
+href = 'http://' + url;
+}
+return islink ? '<a href="' + Q(href) + '" target="_blank">' + Q(url) + '</a>' : Q(url);
+}
+// determine whether the given date is on a weekend
+var is_weekend = function(date)
+{
+return date.getDay() == 0 || date.getDay() == 6;
+};
+var is_workinghour = function(date)
+{
+if (settings['work_start'] > settings['work_end'])
+return date.getHours() >= settings['work_start'] || date.getHours() < settings['work_end'];
+else
+return date.getHours() >= settings['work_start'] && date.getHours() < settings['work_end'];
+};
+var load_attachment = function(event, att)
+{
+var query = { _id: att.id, _event: event.recurrence_id || event.id, _cal:event.calendar, _frame: 1 };
+if (event.rev)
+query._rev = event.rev;
+if (event.calendar == "--invitation--itip")
+$.extend(query, {_uid: event._uid, _part: event._part, _mbox: event._mbox});
+// open attachment in frame if it's of a supported mimetype
+if (id && att.mimetype && $.inArray(att.mimetype, settings.mimetypes)>=0) {
+if (rcmail.open_window(rcmail.url('get-attachment', query), true, true)) {
+return;
+}
+}
+query._frame = null;
+query._download = 1;
+rcmail.goto_url('get-attachment', query, false);
+};
+// build event attachments list
+var event_show_attachments = function(list, container, event, edit)
+{
+var i, id, len, img, content, li, elem,
+ul = document.createElement('UL');
+ul.className = 'attachmentslist';
+for (i=0, len=list.length; i<len; i++) {
+elem = list[i];
+li = document.createElement('LI');
+li.className = elem.classname;
+if (edit) {
+rcmail.env.attachments[elem.id] = elem;
+// delete icon
+content = $('<a href="#delete" />')
+.attr('title', rcmail.gettext('delete'))
+.attr('aria-label', rcmail.gettext('delete') + ' ' + Q(elem.name))
+.addClass('delete')
+.click({id: elem.id}, function(e) { remove_attachment(this, e.data.id); return false; });
+if (!rcmail.env.deleteicon)
+content.html(rcmail.gettext('delete'));
+else {
+img = document.createElement('IMG');
+img.src = rcmail.env.deleteicon;
+img.alt = rcmail.gettext('delete');
+content.append(img);
+}
+content.appendTo(li);
+}
+// name/link
+content = $('<a href="#load" />')
+.html(Q(elem.name))
+.addClass('file')
+.click({event: event, att: elem}, function(e) {
+load_attachment(e.data.event, e.data.att);
+return false;
+})
+.appendTo(li);
+ul.appendChild(li);
+}
+if (edit && rcmail.gui_objects.attachmentlist) {
+ul.id = rcmail.gui_objects.attachmentlist.id;
+rcmail.gui_objects.attachmentlist = ul;
+}
+container.empty().append(ul);
+};
+var remove_attachment = function(elem, id)
+{
+$(elem.parentNode).hide();
+rcmail.env.deleted_attachments.push(id);
+delete rcmail.env.attachments[id];
+};
+// event details dialog (show only)
+var event_show_dialog = function(event, ev, temp)
+{
+var $dialog = $("#eventshow");
+var calendar = event.calendar && me.calendars[event.calendar] ? me.calendars[event.calendar] : { editable:false, rights:'lrs' };
+if (!temp)
+me.selected_event = event;
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+// remove status-* and sensitivity-* classes
+$dialog.removeClass(function(i, oldclass) {
+var oldies = String(oldclass).split(' ');
+return $.grep(oldies, function(cls) { return cls.indexOf('status-') === 0 || cls.indexOf('sensitivity-') === 0 }).join(' ');
+});
+// convert start/end dates if not done yet by fullcalendar
+if (typeof event.start == 'string')
+event.start = parseISO8601(event.start);
+if (typeof event.end == 'string')
+event.end = parseISO8601(event.end);
+// allow other plugins to do actions when event form is opened
+rcmail.triggerEvent('calendar-event-init', {o: event});
+$dialog.find('div.event-section, div.event-line').hide();
+$('#event-title').html(Q(event.title)).show();
+if (event.location)
+$('#event-location').html('@ ' + text2html(event.location)).show();
+if (event.description)
+$('#event-description').show().children('.event-text').html(text2html(event.description, 300, 6));
+if (event.vurl)
+$('#event-url').show().children('.event-text').html(render_link(event.vurl));
+// render from-to in a nice human-readable way
+// -> now shown in dialog title
+// $('#event-date').html(Q(me.event_date_text(event))).show();
+if (event.recurrence && event.recurrence_text)
+$('#event-repeat').show().children('.event-text').html(Q(event.recurrence_text));
+if (event.valarms && event.alarms_text)
+$('#event-alarm').show().children('.event-text').html(Q(event.alarms_text).replace(',', ',<br>'));
+if (calendar.name)
+$('#event-calendar').show().children('.event-text').html(Q(calendar.name)).attr('class', 'event-text cal-'+calendar.id).css('color', calendar.textColor || calendar.color || '');
+if (event.categories)
+$('#event-category').show().children('.event-text').html(Q(event.categories)).attr('class', 'event-text cat-'+String(event.categories).toLowerCase().replace(rcmail.identifier_expr, ''));
+if (event.free_busy)
+$('#event-free-busy').show().children('.event-text').html(Q(rcmail.gettext(event.free_busy, 'calendar')));
+if (event.priority > 0) {
+var priolabels = [ '', rcmail.gettext('highest'), rcmail.gettext('high'), '', '', rcmail.gettext('normal'), '', '', rcmail.gettext('low'), rcmail.gettext('lowest') ];
+$('#event-priority').show().children('.event-text').html(Q(event.priority+' '+priolabels[event.priority]));
+}
+if (event.status) {
+var status_lc = String(event.status).toLowerCase();
+$('#event-status').show().children('.event-text').text(rcmail.gettext('status-'+status_lc,'calendar'));
+$('#event-status-badge > span').text(rcmail.gettext('status-'+status_lc,'calendar'));
+$dialog.addClass('status-'+status_lc);
+}
+if (event.sensitivity && event.sensitivity != 'public') {
+$('#event-sensitivity').show().children('.event-text').text(sensitivitylabels[event.sensitivity]);
+$('#event-status-badge > span').text(sensitivitylabels[event.sensitivity]);
+$dialog.addClass('sensitivity-'+event.sensitivity);
+}
+if (event.created || event.changed) {
+var created = parseISO8601(event.created),
+changed = parseISO8601(event.changed)
+$('#event-created-changed .event-created').html(Q(created ? format_datetime(created) : rcmail.gettext('unknown','calendar')))
+$('#event-created-changed .event-changed').html(Q(changed ? format_datetime(changed) : rcmail.gettext('unknown','calendar')))
+$('#event-created-changed').show()
+}
+// create attachments list
+if ($.isArray(event.attachments)) {
+event_show_attachments(event.attachments, $('#event-attachments').children('.event-text'), event);
+if (event.attachments.length > 0) {
+$('#event-attachments').show();
+}
+}
+else if (calendar.attachments) {
+// fetch attachments, some drivers doesn't set 'attachments' prop of the event?
+}
+// build attachments list
+$('#event-links').hide();
+if ($.isArray(event.links) && event.links.length) {
+render_message_links(event.links || [], $('#event-links').children('.event-text'), false, 'calendar');
+$('#event-links').show();
+}
+// list event attendees
+if (calendar.attendees && event.attendees) {
+// sort resources to the end
+event.attendees.sort(function(a,b) {
+var j = a.cutype == 'RESOURCE' ? 1 : 0,
+k = b.cutype == 'RESOURCE' ? 1 : 0;
+return (j - k);
+});
+var data, mystatus = null, rsvp, line, morelink, html = '', overflow = '',
+organizer = me.is_organizer(event);
+for (var j=0; j < event.attendees.length; j++) {
+data = event.attendees[j];
+if (data.email) {
+if (data.role != 'ORGANIZER' && settings.identity.emails.indexOf(';'+data.email) >= 0) {
+mystatus = data.status.toLowerCase();
+if (data.status == 'NEEDS-ACTION' || data.status == 'TENTATIVE' || data.rsvp)
+rsvp = mystatus;
+}
+}
+line = rcube_libcalendaring.attendee_html(data);
+if (morelink)
+overflow += ' ' + line;
+else
+html += ' ' + line;
+// stop listing attendees
+if (j == 7 && event.attendees.length >= 7) {
+morelink = $('<a href="#more" class="morelink"></a>').html(rcmail.gettext('andnmore', 'calendar').replace('$nr', event.attendees.length - j - 1));
+}
+}
+if (html && (event.attendees.length > 1 || !organizer)) {
+$('#event-attendees').show()
+.children('.event-text')
+.html(html)
+.find('a.mailtolink').click(event_attendee_click);
+// display all attendees in a popup when clicking the "more" link
+if (morelink) {
+$('#event-attendees .event-text').append(morelink);
+morelink.click(function(e){
+rcmail.show_popup_dialog(
+'<div id="all-event-attendees" class="event-attendees">' + html + overflow + '</div>',
+rcmail.gettext('tabattendees','calendar'),
+null,
+{ width:450, modal:false });
+$('#all-event-attendees a.mailtolink').click(event_attendee_click);
+return false;
+})
+}
+}
+if (mystatus && !rsvp) {
+$('#event-partstat').show().children('.changersvp')
+.removeClass('accepted tentative declined delegated needs-action')
+.addClass(mystatus)
+.children('.event-text')
+.text(rcmail.gettext('status' + mystatus, 'libcalendaring'));
+}
+var show_rsvp = rsvp && !organizer && event.status != 'CANCELLED' && me.has_permission(calendar, 'v');
+$('#event-rsvp')[(show_rsvp ? 'show' : 'hide')]();
+$('#event-rsvp .rsvp-buttons input').prop('disabled', false).filter('input[rel='+mystatus+']').prop('disabled', true);
+if (show_rsvp && event.comment)
+$('#event-rsvp-comment').show().children('.event-text').html(Q(event.comment));
+$('#event-rsvp a.reply-comment-toggle').show();
+$('#event-rsvp .itip-reply-comment textarea').hide().val('');
+if (event.recurrence && event.id) {
+var sel = event._savemode || (event.thisandfuture ? 'future' : (event.isexception ? 'current' : 'all'));
+$('#event-rsvp .rsvp-buttons').addClass('recurring');
+}
+else {
+$('#event-rsvp .rsvp-buttons').removeClass('recurring');
+}
+}
+var buttons = [];
+if (!temp && calendar.editable && event.editable !== false) {
+buttons.push({
+text: rcmail.gettext('edit', 'calendar'),
+click: function() {
+event_edit_dialog('edit', event);
+}
+});
+}
+if (!temp && me.has_permission(calendar, 'td') && event.editable !== false) {
+buttons.push({
+text: rcmail.gettext('delete', 'calendar'),
+'class': 'delete',
+click: function() {
+me.delete_event(event);
+$dialog.dialog('close');
+}
+});
+}
+if (!buttons.length) {
+buttons.push({
+text: rcmail.gettext('close', 'calendar'),
+click: function(){
+$dialog.dialog('close');
+}
+});
+}
+// open jquery UI dialog
+$dialog.dialog({
+modal: false,
+resizable: !bw.ie6,
+closeOnEscape: (!bw.ie6 && !bw.ie7),  // disable for performance reasons
+title: me.event_date_text(event),
+open: function() {
+$dialog.attr('aria-hidden', 'false');
+setTimeout(function(){
+$dialog.parent().find('.ui-button:not(.ui-dialog-titlebar-close)').first().focus();
+}, 5);
+},
+close: function() {
+$dialog.dialog('destroy').attr('aria-hidden', 'true').hide();
+rcmail.command('menu-close','eventoptionsmenu');
+$('.libcal-rsvp-replymode').hide();
+},
+dragStart: function() {
+rcmail.command('menu-close','eventoptionsmenu');
+$('.libcal-rsvp-replymode').hide();
+},
+resizeStart: function() {
+rcmail.command('menu-close','eventoptionsmenu');
+$('.libcal-rsvp-replymode').hide();
+},
+buttons: buttons,
+minWidth: 320,
+width: 420
+}).show();
+// remember opener element (to be focused on close)
+$dialog.data('opener', ev && rcube_event.is_keyboard(ev) ? ev.target : null);
+// set voice title on dialog widget
+$dialog.dialog('widget').removeAttr('aria-labelledby')
+.attr('aria-label', me.event_date_text(event, true) + ', ', event.title);
+// set dialog size according to content
+me.dialog_resize($dialog.get(0), $dialog.height(), 420);
+// add link for "more options" drop-down
+if (!temp && !event.temporary && event.calendar != '_resource') {
+$('<a>')
+.attr('href', '#')
+.html(rcmail.gettext('eventoptions','calendar'))
+.addClass('dropdown-link')
+.click(function(e) {
+return rcmail.command('menu-open','eventoptionsmenu', this, e)
+})
+.appendTo($dialog.parent().find('.ui-dialog-buttonset'));
+}
+rcmail.enable_command('event-history', calendar.history)
+rcmail.triggerEvent('calendar-event-dialog', {dialog: $dialog});
+};
+// event handler for clicks on an attendee link
+var event_attendee_click = function(e)
+{
+var cutype = $(this).attr('data-cutype'),
+mailto = this.href.substr(7);
+if (rcmail.env.calendar_resources && cutype == 'RESOURCE') {
+event_resources_dialog(mailto);
+}
+else {
+rcmail.command('compose', mailto, e ? e.target : null, e);
+}
+return false;
+};
+// bring up the event dialog (jquery-ui popup)
+var event_edit_dialog = function(action, event)
+{
+// copy opener element from show dialog
+var op_elem = $("#eventshow:ui-dialog").data('opener');
+// close show dialog first
+$("#eventshow:ui-dialog").data('opener', null).dialog('close');
+var $dialog = $('<div>');
+var calendar = event.calendar && me.calendars[event.calendar] ? me.calendars[event.calendar] : { editable:true, rights: action=='new' ? 'lrwitd' : 'lrs' };
+me.selected_event = $.extend($.extend({}, event_defaults), event);  // clone event object (with defaults)
+event = me.selected_event; // change reference to clone
+freebusy_ui.needsupdate = false;
+// reset dialog first
+$('#eventtabs').get(0).reset();
+$('#event-panel-recurrence input, #event-panel-recurrence select, #event-panel-attachments input').prop('disabled', false);
+$('#event-panel-recurrence, #event-panel-attachments').removeClass('disabled');
+// allow other plugins to do actions when event form is opened
+rcmail.triggerEvent('calendar-event-init', {o: event});
+// event details
+var title = $('#edit-title').val(event.title || '');
+var location = $('#edit-location').val(event.location || '');
+var description = $('#edit-description').text(event.description || '');
+var vurl = $('#edit-url').val(event.vurl || '');
+var categories = $('#edit-categories').val(event.categories);
+var calendars = $('#edit-calendar').val(event.calendar);
+var eventstatus = $('#edit-event-status').val(event.status);
+var freebusy = $('#edit-free-busy').val(event.free_busy);
+var priority = $('#edit-priority').val(event.priority);
+var sensitivity = $('#edit-sensitivity').val(event.sensitivity);
+var duration = Math.round((event.end.getTime() - event.start.getTime()) / 1000);
+var startdate = $('#edit-startdate').val($.fullCalendar.formatDate(event.start, settings['date_format'])).data('duration', duration);
+var starttime = $('#edit-starttime').val($.fullCalendar.formatDate(event.start, settings['time_format'])).show();
+var enddate = $('#edit-enddate').val($.fullCalendar.formatDate(event.end, settings['date_format']));
+var endtime = $('#edit-endtime').val($.fullCalendar.formatDate(event.end, settings['time_format'])).show();
+var allday = $('#edit-allday').get(0);
+var notify = $('#edit-attendees-donotify').get(0);
+var invite = $('#edit-attendees-invite').get(0);
+var comment = $('#edit-attendees-comment');
+// make sure any calendar is selected
+if (!calendars.val())
+calendars.val($('option:first', calendars).attr('value'));
+invite.checked = settings.itip_notify & 1 > 0;
+notify.checked = me.has_attendees(event) && invite.checked;
+if (event.allDay) {
+starttime.val("12:00").hide();
+endtime.val("13:00").hide();
+allday.checked = true;
+}
+else {
+allday.checked = false;
+}
+// set calendar selection according to permissions
+calendars.find('option').each(function(i, opt) {
+var cal = me.calendars[opt.value] || {};
+$(opt).prop('disabled', !(cal.editable || (action == 'new' && me.has_permission(cal, 'i'))))
+});
+// set alarm(s)
+me.set_alarms_edit('#edit-alarms', action != 'new' && event.valarms && calendar.alarms ? event.valarms : []);
+// enable/disable alarm property according to backend support
+$('#edit-alarms')[(calendar.alarms ? 'show' : 'hide')]();
+// check categories drop-down: add value if not exists
+if (event.categories && !categories.find("option[value='"+event.categories+"']").length) {
+$('<option>').attr('value', event.categories).text(event.categories).appendTo(categories).prop('selected', true);
+}
+if ($.isArray(event.links) && event.links.length) {
+render_message_links(event.links, $('#edit-event-links .event-text'), true, 'calendar');
+$('#edit-event-links').show();
+}
+else {
+$('#edit-event-links').hide();
+}
+// show warning if editing a recurring event
+if (event.id && event.recurrence) {
+var sel = event._savemode || (event.thisandfuture ? 'future' : (event.isexception ? 'current' : 'all'));
+$('#edit-recurring-warning').show();
+$('input.edit-recurring-savemode[value="'+sel+'"]').prop('checked', true).change();
+}
+else
+$('#edit-recurring-warning').hide();
+// init attendees tab
+var organizer = !event.attendees || me.is_organizer(event),
+allow_invitations = organizer || (calendar.owner && calendar.owner == 'anonymous') || settings.invite_shared;
+event_attendees = [];
+attendees_list = $('#edit-attendees-table > tbody').html('');
+resources_list = $('#edit-resources-table > tbody').html('');
+$('#edit-attendees-notify')[(action != 'new' && allow_invitations && me.has_attendees(event) && (settings.itip_notify & 2) ? 'show' : 'hide')]();
+$('#edit-localchanges-warning')[(action != 'new' && me.has_attendees(event) && !(allow_invitations || (calendar.owner && me.is_organizer(event, calendar.owner))) ? 'show' : 'hide')]();
+var load_attendees_tab = function()
+{
+var j, data, organizer_attendee, reply_selected = 0;
+if (event.attendees) {
+for (j=0; j < event.attendees.length; j++) {
+data = event.attendees[j];
+// reset attendee status
+if (event._savemode == 'new' && data.role != 'ORGANIZER') {
+data.status = 'NEEDS-ACTION';
+delete data.noreply;
+}
+add_attendee(data, !allow_invitations);
+if (allow_invitations && data.role != 'ORGANIZER' && !data.noreply)
+reply_selected++;
+if (data.role == 'ORGANIZER')
+organizer_attendee = data;
+}
+}
+// make sure comment box is visible if at least one attendee has reply enabled
+// or global "send invitations" checkbox is checked
+$('#eventedit .attendees-commentbox')[(reply_selected || invite.checked ? 'show' : 'hide')]();
+// select the correct organizer identity
+var identity_id = 0;
+$.each(settings.identities, function(i,v){
+if (organizer && typeof organizer == 'object' && v == organizer.email) {
+identity_id = i;
+return false;
+}
+});
+// In case the user is not the (shared) event organizer we'll add the organizer to the selection list
+if (!identity_id && !organizer && organizer_attendee) {
+var organizer_name = organizer_attendee.email;
+if (organizer_attendee.name)
+organizer_name = '"' + organizer_attendee.name + '" <' + organizer_name + '>';
+$('#edit-identities-list').append($('<option value="0">').text(organizer_name));
+}
+$('#edit-identities-list').val(identity_id);
+$('#edit-attendees-form')[(allow_invitations?'show':'hide')]();
+$('#edit-attendee-schedule')[(calendar.freebusy?'show':'hide')]();
+};
+// attachments
+var load_attachments_tab = function()
+{
+rcmail.enable_command('remove-attachment', calendar.editable && !event.recurrence_id);
+rcmail.env.deleted_attachments = [];
+// we're sharing some code for uploads handling with app.js
+rcmail.env.attachments = [];
+rcmail.env.compose_id = event.id; // for rcmail.async_upload_form()
+if ($.isArray(event.attachments)) {
+event_show_attachments(event.attachments, $('#edit-attachments'), event, true);
+}
+else {
+$('#edit-attachments > ul').empty();
+// fetch attachments, some drivers doesn't set 'attachments' array for event?
+}
+};
+// init dialog buttons
+var buttons = [];
+// save action
+buttons.push({
+text: rcmail.gettext('save', 'calendar'),
+'class': 'mainaction',
+click: function() {
+var start = parse_datetime(allday.checked ? '12:00' : starttime.val(), startdate.val());
+var end   = parse_datetime(allday.checked ? '13:00' : endtime.val(), enddate.val());
+// basic input validatetion
+if (start.getTime() > end.getTime()) {
+alert(rcmail.gettext('invalideventdates', 'calendar'));
+return false;
+}
+// post data to server
+var data = {
+calendar: event.calendar,
+start: date2servertime(start),
+end: date2servertime(end),
+allday: allday.checked?1:0,
+title: title.val(),
+description: description.val(),
+location: location.val(),
+categories: categories.val(),
+vurl: vurl.val(),
+free_busy: freebusy.val(),
+priority: priority.val(),
+sensitivity: sensitivity.val(),
+status: eventstatus.val(),
+recurrence: me.serialize_recurrence(endtime.val()),
+valarms: me.serialize_alarms('#edit-alarms'),
+attendees: event_attendees,
+links: me.selected_event.links,
+deleted_attachments: rcmail.env.deleted_attachments,
+attachments: []
+};
+// uploaded attachments list
+for (var i in rcmail.env.attachments)
+if (i.match(/^rcmfile(.+)/))
+data.attachments.push(RegExp.$1);
+// read attendee roles
+$('select.edit-attendee-role').each(function(i, elem){
+if (data.attendees[i])
+data.attendees[i].role = $(elem).val();
+});
+if (organizer)
+data._identity = $('#edit-identities-list option:selected').val();
+// per-attendee notification suppression
+var need_invitation = false;
+if (allow_invitations) {
+$.each(data.attendees, function (i, v) {
+if (v.role != 'ORGANIZER') {
+if ($('input.edit-attendee-reply[value="' + v.email + '"]').prop('checked') || v.cutype == 'RESOURCE') {
+need_invitation = true;
+delete data.attendees[i]['noreply'];
+}
+else if (settings.itip_notify > 0) {
+data.attendees[i].noreply = 1;
+}
+}
+});
+}
+// tell server to send notifications
+if ((data.attendees.length || (event.id && event.attendees.length)) && allow_invitations && (notify.checked || invite.checked || need_invitation)) {
+data._notify = settings.itip_notify;
+data._comment = comment.val();
+}
+data.calendar = calendars.val();
+if (event.id) {
+data.id = event.id;
+if (event.recurrence)
+data._savemode = $('input.edit-recurring-savemode:checked').val();
+if (data.calendar && data.calendar != event.calendar)
+data._fromcalendar = event.calendar;
+}
+update_event(action, data);
+$dialog.dialog("close");
+}  // end click:
+});
+if (event.id) {
+buttons.push({
+text: rcmail.gettext('delete', 'calendar'),
+'class': 'delete',
+click: function() {
+me.delete_event(event);
+$dialog.dialog('close');
+}
+});
+}
+buttons.push({
+text: rcmail.gettext('cancel', 'calendar'),
+click: function() {
+$dialog.dialog("close");
+}
+});
+// show/hide tabs according to calendar's feature support
+$('#edit-tab-attendees')[(calendar.attendees?'show':'hide')]();
+$('#edit-tab-resources')[(rcmail.env.calendar_resources?'show':'hide')]();
+$('#edit-tab-attachments')[(calendar.attachments?'show':'hide')]();
+// activate the first tab
+$('#eventtabs').tabs('option', 'active', 0);
+// hack: set task to 'calendar' to make all dialog actions work correctly
+var comm_path_before = rcmail.env.comm_path;
+rcmail.env.comm_path = comm_path_before.replace(/_task=[a-z]+/, '_task=calendar');
+var editform = $("#eventedit");
+// open jquery UI dialog
+$dialog.dialog({
+modal: true,
+resizable: (!bw.ie6 && !bw.ie7),  // disable for performance reasons
+closeOnEscape: false,
+title: rcmail.gettext((action == 'edit' ? 'edit_event' : 'new_event'), 'calendar'),
+open: function() {
+editform.attr('aria-hidden', 'false');
+},
+close: function() {
+editform.hide().attr('aria-hidden', 'true').appendTo(document.body);
+$dialog.dialog("destroy").remove();
+rcmail.ksearch_blur();
+freebusy_data = {};
+rcmail.env.comm_path = comm_path_before;  // restore comm_path
+if (op_elem)
+$(op_elem).focus();
+},
+buttons: buttons,
+minWidth: 500,
+width: 600
+}).append(editform.show());  // adding form content AFTERWARDS massively speeds up opening on IE6
+// set dialog size according to form content
+me.dialog_resize($dialog.get(0), editform.height() + (bw.ie ? 20 : 0), 550);
+title.select();
+// init other tabs asynchronously
+window.setTimeout(function(){ me.set_recurrence_edit(event); }, exec_deferred);
+if (calendar.attendees)
+window.setTimeout(load_attendees_tab, exec_deferred);
+if (calendar.attachments)
+window.setTimeout(load_attachments_tab, exec_deferred);
+rcmail.triggerEvent('calendar-event-dialog', {dialog: $dialog});
+};
+// show event changelog in a dialog
+var event_history_dialog = function(event)
+{
+if (!event.id || !window.libkolab_audittrail)
+return false
+// render dialog
+var $dialog = libkolab_audittrail.object_history_dialog({
+module: 'calendar',
+container: '#eventhistory',
+title: rcmail.gettext('objectchangelog','calendar') + ' - ' + event.title + ', ' + me.event_date_text(event),
+// callback function for list actions
+listfunc: function(action, rev) {
+me.loading_lock = rcmail.set_busy(true, 'loading', me.loading_lock);
+rcmail.http_post('event', { action:action, e:{ id:event.id, calendar:event.calendar, rev: rev } }, me.loading_lock);
+},
+// callback function for comparing two object revisions
+comparefunc: function(rev1, rev2) {
+me.loading_lock = rcmail.set_busy(true, 'loading', me.loading_lock);
+rcmail.http_post('event', { action:'diff', e:{ id:event.id, calendar:event.calendar, rev1: rev1, rev2: rev2 } }, me.loading_lock);
+}
+});
+$dialog.data('event', event);
+// fetch changelog data
+me.loading_lock = rcmail.set_busy(true, 'loading', me.loading_lock);
+rcmail.http_post('event', { action:'changelog', e:{ id:event.id, calendar:event.calendar } }, me.loading_lock);
+};
+// callback from server with changelog data
+var render_event_changelog = function(data)
+{
+var $dialog = $('#eventhistory'),
+event = $dialog.data('event');
+if (data === false || !data.length || !event) {
+// display 'unavailable' message
+$('<div class="notfound-message event-dialog-message warning">' + rcmail.gettext('objectchangelognotavailable','calendar') + '</div>')
+.insertBefore($dialog.find('.changelog-table').hide());
+return;
+}
+data.module = 'calendar';
+libkolab_audittrail.render_changelog(data, event, me.calendars[event.calendar]);
+// set dialog size according to content
+me.dialog_resize($dialog.get(0), $dialog.height(), 600);
+};
+// callback from server with event diff data
+var event_show_diff = function(data)
+{
+var event = me.selected_event,
+$dialog = $("#eventdiff");
+$dialog.find('div.event-section, div.event-line, h1.event-title-new').hide().data('set', false).find('.index').html('');
+$dialog.find('div.event-section.clone, div.event-line.clone').remove();
+// always show event title and date
+$('.event-title', $dialog).text(event.title).removeClass('event-text-old').show();
+$('.event-date', $dialog).text(me.event_date_text(event)).show();
+// show each property change
+$.each(data.changes, function(i,change) {
+var prop = change.property, r2, html = false,
+row = $('div.event-' + prop, $dialog).first();
+// special case: title
+if (prop == 'title') {
+$('.event-title', $dialog).addClass('event-text-old').text(change['old'] || '--');
+$('.event-title-new', $dialog).text(change['new'] || '--').show();
+}
+// no display container for this property
+if (!row.length) {
+return true;
+}
+// clone row if already exists
+if (row.data('set')) {
+r2 = row.clone().addClass('clone').insertAfter(row);
+row = r2;
+}
+// format dates
+if (['start','end','changed'].indexOf(prop) >= 0) {
+if (change['old']) change.old_ = me.format_datetime(parseISO8601(change['old']));
+if (change['new']) change.new_ = me.format_datetime(parseISO8601(change['new']));
+}
+// render description text
+else if (prop == 'description') {
+// TODO: show real text diff
+if (!change.diff_ && change['old']) change.old_ = text2html(change['old']);
+if (!change.diff_ && change['new']) change.new_ = text2html(change['new']);
+html = true;
+}
+// format attendees struct
+else if (prop == 'attendees') {
+if (change['old']) change.old_ = rcube_libcalendaring.attendee_html(change['old']);
+if (change['new']) change.new_ = rcube_libcalendaring.attendee_html($.extend({}, change['old'] || {}, change['new']));
+html = true;
+}
+// localize priority values
+else if (prop == 'priority') {
+var priolabels = [ '', rcmail.gettext('highest'), rcmail.gettext('high'), '', '', rcmail.gettext('normal'), '', '', rcmail.gettext('low'), rcmail.gettext('lowest') ];
+if (change['old']) change.old_ = change['old'] + ' ' + (priolabels[change['old']] || '');
+if (change['new']) change.new_ = change['new'] + ' ' + (priolabels[change['new']] || '');
+}
+// localize status
+else if (prop == 'status') {
+var status_lc = String(event.status).toLowerCase();
+if (change['old']) change.old_ = rcmail.gettext(String(change['old']).toLowerCase(), 'calendar');
+if (change['new']) change.new_ = rcmail.gettext(String(change['new']).toLowerCase(), 'calendar');
+}
+// format attachments struct
+if (prop == 'attachments') {
+if (change['old']) event_show_attachments([change['old']], row.children('.event-text-old'), event, false);
+else            row.children('.event-text-old').text('--');
+if (change['new']) event_show_attachments([$.extend({}, change['old'] || {}, change['new'])], row.children('.event-text-new'), event, false);
+else            row.children('.event-text-new').text('--');
+// remove click handler as we're currentyl not able to display the according attachment contents
+$('.attachmentslist li a', row).unbind('click').removeAttr('href');
+}
+else if (change.diff_) {
+row.children('.event-text-diff').html(change.diff_);
+row.children('.event-text-old, .event-text-new').hide();
+}
+else {
+if (!html) {
+// escape HTML characters
+change.old_ = Q(change.old_ || change['old'] || '--')
+change.new_ = Q(change.new_ || change['new'] || '--')
+}
+row.children('.event-text-old').html(change.old_ || change['old'] || '--');
+row.children('.event-text-new').html(change.new_ || change['new'] || '--');
+}
+// display index number
+if (typeof change.index != 'undefined') {
+row.find('.index').html('(' + change.index + ')');
+}
+row.show().data('set', true);
+// hide event-date line
+if (prop == 'start' || prop == 'end')
+$('.event-date', $dialog).hide();
+});
+var buttons = {};
+buttons[rcmail.gettext('close', 'calendar')] = function() {
+$dialog.dialog('close');
+};
+// open jquery UI dialog
+$dialog.dialog({
+modal: false,
+resizable: true,
+closeOnEscape: true,
+title: rcmail.gettext('objectdiff','calendar').replace('$rev1', data.rev1).replace('$rev2', data.rev2) + ' - ' + event.title,
+open: function() {
+$dialog.attr('aria-hidden', 'false');
+setTimeout(function(){
+$dialog.parent().find('.ui-button:not(.ui-dialog-titlebar-close)').first().focus();
+}, 5);
+},
+close: function() {
+$dialog.dialog('destroy').attr('aria-hidden', 'true').hide();
+},
+buttons: buttons,
+minWidth: 320,
+width: 450
+}).show();
+// set dialog size according to content
+me.dialog_resize($dialog.get(0), $dialog.height(), 400);
+};
+// close the event history dialog
+var close_history_dialog = function()
+{
+$('#eventhistory, #eventdiff').each(function(i, elem) {
+var $dialog = $(elem);
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+});
+}
+// exports
+this.event_show_diff = event_show_diff;
+this.event_show_dialog = event_show_dialog;
+this.event_history_dialog = event_history_dialog;
+this.render_event_changelog = render_event_changelog;
+this.close_history_dialog = close_history_dialog;
+// open a dialog to display detailed free-busy information and to find free slots
+var event_freebusy_dialog = function()
+{
+var $dialog = $('#eventfreebusy'),
+event = me.selected_event;
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+if (!event_attendees.length)
+return false;
+// set form elements
+var allday = $('#edit-allday').get(0);
+var duration = Math.round((event.end.getTime() - event.start.getTime()) / 1000);
+freebusy_ui.startdate = $('#schedule-startdate').val($.fullCalendar.formatDate(event.start, settings['date_format'])).data('duration', duration);
+freebusy_ui.starttime = $('#schedule-starttime').val($.fullCalendar.formatDate(event.start, settings['time_format'])).show();
+freebusy_ui.enddate = $('#schedule-enddate').val($.fullCalendar.formatDate(event.end, settings['date_format']));
+freebusy_ui.endtime = $('#schedule-endtime').val($.fullCalendar.formatDate(event.end, settings['time_format'])).show();
+if (allday.checked) {
+freebusy_ui.starttime.val("12:00").hide();
+freebusy_ui.endtime.val("13:00").hide();
+event.allDay = true;
+}
+// read attendee roles from drop-downs
+$('select.edit-attendee-role').each(function(i, elem){
+if (event_attendees[i])
+event_attendees[i].role = $(elem).val();
+});
+// render time slots
+var now = new Date(), fb_start = new Date(), fb_end = new Date();
+fb_start.setTime(event.start);
+fb_start.setHours(0); fb_start.setMinutes(0); fb_start.setSeconds(0); fb_start.setMilliseconds(0);
+fb_end.setTime(fb_start.getTime() + DAY_MS);
+freebusy_data = { required:{}, all:{} };
+freebusy_ui.loading = 1;  // prevent render_freebusy_grid() to load data yet
+freebusy_ui.numdays = Math.max(allday.checked ? 14 : 1, Math.ceil(duration * 2 / 86400));
+freebusy_ui.interval = allday.checked ? 1440 : (60 / (settings.timeslots || 1));
+freebusy_ui.start = fb_start;
+freebusy_ui.end = new Date(freebusy_ui.start.getTime() + DAY_MS * freebusy_ui.numdays);
+render_freebusy_grid(0);
+// render list of attendees
+freebusy_ui.attendees = {};
+var domid, dispname, data, role_html, list_html = '';
+for (var i=0; i < event_attendees.length; i++) {
+data = event_attendees[i];
+dispname = Q(data.name || data.email);
+domid = String(data.email).replace(rcmail.identifier_expr, '');
+role_html = '<a class="attendee-role-toggle" id="rcmlia' + domid + '" title="' + Q(rcmail.gettext('togglerole', 'calendar')) + '">&nbsp;</a>';
+list_html += '<div class="attendee ' + String(data.role).toLowerCase() + '" id="rcmli' + domid + '">' + role_html + dispname + '</div>';
+// clone attendees data for local modifications
+freebusy_ui.attendees[i] = freebusy_ui.attendees[domid] = $.extend({}, data);
+}
+// add total row
+list_html += '<div class="attendee spacer">&nbsp;</div>';
+list_html += '<div class="attendee total">' + rcmail.gettext('reqallattendees','calendar') + '</div>';
+$('#schedule-attendees-list').html(list_html)
+.unbind('click.roleicons')
+.bind('click.roleicons', function(e){
+// toggle attendee status upon click on icon
+if (e.target.id && e.target.id.match(/rcmlia(.+)/)) {
+var attendee, domid = RegExp.$1,
+roles = [ 'REQ-PARTICIPANT', 'OPT-PARTICIPANT', 'NON-PARTICIPANT', 'CHAIR' ];
+if ((attendee = freebusy_ui.attendees[domid]) && attendee.role != 'ORGANIZER') {
+var req = attendee.role != 'OPT-PARTICIPANT' && attendee.role != 'NON-PARTICIPANT';
+var j = $.inArray(attendee.role, roles);
+j = (j+1) % roles.length;
+attendee.role = roles[j];
+$(e.target).parent().attr('class', 'attendee '+String(attendee.role).toLowerCase());
+// update total display if required-status changed
+if (req != (roles[j] != 'OPT-PARTICIPANT' && roles[j] != 'NON-PARTICIPANT')) {
+compute_freebusy_totals();
+update_freebusy_display(attendee.email);
+}
+}
+}
+return false;
+});
+// enable/disable buttons
+$('#shedule-find-prev').button('option', 'disabled', (fb_start.getTime() < now.getTime()));
+// dialog buttons
+var buttons = {};
+buttons[rcmail.gettext('select', 'calendar')] = function() {
+$('#edit-startdate').val(freebusy_ui.startdate.val());
+$('#edit-starttime').val(freebusy_ui.starttime.val());
+$('#edit-enddate').val(freebusy_ui.enddate.val());
+$('#edit-endtime').val(freebusy_ui.endtime.val());
+// write role changes back to main dialog
+$('select.edit-attendee-role').each(function(i, elem){
+if (event_attendees[i] && freebusy_ui.attendees[i]) {
+event_attendees[i].role = freebusy_ui.attendees[i].role;
+$(elem).val(event_attendees[i].role);
+}
+});
+if (freebusy_ui.needsupdate)
+update_freebusy_status(me.selected_event);
+freebusy_ui.needsupdate = false;
+$dialog.dialog("close");
+};
+buttons[rcmail.gettext('cancel', 'calendar')] = function() {
+$dialog.dialog("close");
+};
+$dialog.dialog({
+modal: true,
+resizable: true,
+closeOnEscape: (!bw.ie6 && !bw.ie7),
+title: rcmail.gettext('scheduletime', 'calendar'),
+open: function() {
+rcmail.ksearch_blur();
+$dialog.attr('aria-hidden', 'false').find('#shedule-find-next, #shedule-find-prev').not(':disabled').first().focus();
+},
+close: function() {
+if (bw.ie6)
+$("#edit-attendees-table").css('visibility','visible');
+$dialog.dialog("destroy").attr('aria-hidden', 'true').hide();
+// TODO: focus opener button
+},
+resizeStop: function() {
+render_freebusy_overlay();
+},
+buttons: buttons,
+minWidth: 640,
+width: 850
+}).show();
+// hide edit dialog on IE6 because of drop-down elements
+if (bw.ie6)
+$("#edit-attendees-table").css('visibility','hidden');
+// adjust dialog size to fit grid without scrolling
+var gridw = $('#schedule-freebusy-times').width();
+var overflow = gridw - $('#attendees-freebusy-table td.times').width();
+me.dialog_resize($dialog.get(0), $dialog.height() + (bw.ie ? 20 : 0), 800 + Math.max(0, overflow));
+// fetch data from server
+freebusy_ui.loading = 0;
+load_freebusy_data(freebusy_ui.start, freebusy_ui.interval);
+};
+// render an HTML table showing free-busy status for all the event attendees
+var render_freebusy_grid = function(delta)
+{
+if (delta) {
+freebusy_ui.start.setTime(freebusy_ui.start.getTime() + DAY_MS * delta);
+fix_date(freebusy_ui.start);
+// skip weekends if in workinhoursonly-mode
+if (Math.abs(delta) == 1 && freebusy_ui.workinhoursonly) {
+while (is_weekend(freebusy_ui.start))
+freebusy_ui.start.setTime(freebusy_ui.start.getTime() + DAY_MS * delta);
+fix_date(freebusy_ui.start);
+}
+freebusy_ui.end = new Date(freebusy_ui.start.getTime() + DAY_MS * freebusy_ui.numdays);
+}
+var dayslots = Math.floor(1440 / freebusy_ui.interval);
+var date_format = 'ddd '+ (dayslots <= 2 ? settings.date_short : settings.date_format);
+var lastdate, datestr, css,
+curdate = new Date(),
+allday = (freebusy_ui.interval == 1440),
+interval = allday ? 1440 : (freebusy_ui.interval * (settings.timeslots || 1));
+times_css = (allday ? 'allday ' : ''),
+dates_row = '<tr class="dates">',
+times_row = '<tr class="times">',
+slots_row = '';
+for (var s = 0, t = freebusy_ui.start.getTime(); t < freebusy_ui.end.getTime(); s++) {
+curdate.setTime(t);
+datestr = fc.fullCalendar('formatDate', curdate, date_format);
+if (datestr != lastdate) {
+if (lastdate && !allday) break;
+dates_row += '<th colspan="' + dayslots + '" class="boxtitle date' + $.fullCalendar.formatDate(curdate, 'ddMMyyyy') + '">' + Q(datestr) + '</th>';
+lastdate = datestr;
+}
+// set css class according to working hours
+css = is_weekend(curdate) || (freebusy_ui.interval <= 60 && !is_workinghour(curdate)) ? 'offhours' : 'workinghours';
+times_row += '<td class="' + times_css + css + '" id="t-' + Math.floor(t/1000) + '">' + Q(allday ? rcmail.gettext('all-day','calendar') : $.fullCalendar.formatDate(curdate, settings['time_format'])) + '</td>';
+slots_row += '<td class="' + css + '">&nbsp;</td>';
+t += interval * 60000;
+}
+dates_row += '</tr>';
+times_row += '</tr>';
+// render list of attendees
+var domid, data, list_html = '', times_html = '';
+for (var i=0; i < event_attendees.length; i++) {
+data = event_attendees[i];
+domid = String(data.email).replace(rcmail.identifier_expr, '');
+times_html += '<tr id="fbrow' + domid + '">' + slots_row + '</tr>';
+}
+// add line for all/required attendees
+times_html += '<tr class="spacer"><td colspan="' + (dayslots * freebusy_ui.numdays) + '"></td>';
+times_html += '<tr id="fbrowall">' + slots_row + '</tr>';
+var table = $('#schedule-freebusy-times');
+table.children('thead').html(dates_row + times_row);
+table.children('tbody').html(times_html);
+// initialize event handlers on grid
+if (!freebusy_ui.grid_events) {
+freebusy_ui.grid_events = true;
+table.children('thead').click(function(e){
+// move event to the clicked date/time
+if (e.target.id && e.target.id.match(/t-(\d+)/)) {
+var newstart = new Date(RegExp.$1 * 1000);
+// set time to 00:00
+if (me.selected_event.allDay) {
+newstart.setMinutes(0);
+newstart.setHours(0);
+}
+update_freebusy_dates(newstart, new Date(newstart.getTime() + freebusy_ui.startdate.data('duration') * 1000));
+render_freebusy_overlay();
+}
+});
+}
+// if we have loaded free-busy data, show it
+if (!freebusy_ui.loading) {
+if (freebusy_ui.start < freebusy_data.start || freebusy_ui.end > freebusy_data.end || freebusy_ui.interval != freebusy_data.interval) {
+load_freebusy_data(freebusy_ui.start, freebusy_ui.interval);
+}
+else {
+for (var email, i=0; i < event_attendees.length; i++) {
+if ((email = event_attendees[i].email))
+update_freebusy_display(email);
+}
+}
+}
+// render current event date/time selection over grid table
+// use timeout to let the dom attributes (width/height/offset) be set first
+window.setTimeout(function(){ render_freebusy_overlay(); }, 10);
+};
+// render overlay element over the grid to visiualize the current event date/time
+var render_freebusy_overlay = function()
+{
+var overlay = $('#schedule-event-time');
+if (me.selected_event.end.getTime() <= freebusy_ui.start.getTime() || me.selected_event.start.getTime() >= freebusy_ui.end.getTime()) {
+overlay.hide();
+if (overlay.data('isdraggable'))
+overlay.draggable('disable');
+}
+else {
+var i, n, table = $('#schedule-freebusy-times'),
+width = 0,
+pos = { top:table.children('thead').height(), left:0 },
+eventstart = date2unixtime(clone_date(me.selected_event.start, me.selected_event.allDay?1:0)),
+eventend = date2unixtime(clone_date(me.selected_event.end, me.selected_event.allDay?2:0)) - 60,
+slotstart = date2unixtime(freebusy_ui.start),
+slotsize = freebusy_ui.interval * 60,
+slotnum = freebusy_ui.interval > 60 ? 1 : (60 / freebusy_ui.interval),
+cells = table.children('thead').find('td'),
+cell_width = cells.first().get(0).offsetWidth,
+slotend;
+// iterate through slots to determine position and size of the overlay
+for (i=0; i < cells.length; i++) {
+for (n=0; n < slotnum; n++) {
+slotend = slotstart + slotsize - 1;
+// event starts in this slot: compute left
+if (eventstart >= slotstart && eventstart <= slotend) {
+pos.left = Math.round(i * cell_width + (cell_width / slotnum) * n);
+}
+// event ends in this slot: compute width
+if (eventend >= slotstart && eventend <= slotend) {
+width = Math.round(i * cell_width + (cell_width / slotnum) * (n + 1)) - pos.left;
+}
+slotstart += slotsize;
+}
+}
+if (!width)
+width = table.width() - pos.left;
+// overlay is visible
+if (width > 0) {
+overlay.css({ width: (width-4)+'px', height:(table.children('tbody').height() - 4)+'px', left:pos.left+'px', top:pos.top+'px' }).show();
+// configure draggable
+if (!overlay.data('isdraggable')) {
+overlay.draggable({
+axis: 'x',
+scroll: true,
+stop: function(e, ui){
+// convert pixels to time
+var px = ui.position.left;
+var range_p = $('#schedule-freebusy-times').width();
+var range_t = freebusy_ui.end.getTime() - freebusy_ui.start.getTime();
+var newstart = new Date(freebusy_ui.start.getTime() + px * (range_t / range_p));
+newstart.setSeconds(0); newstart.setMilliseconds(0);
+// snap to day boundaries
+if (me.selected_event.allDay) {
+if (newstart.getHours() >= 12)  // snap to next day
+newstart.setTime(newstart.getTime() + DAY_MS);
+newstart.setMinutes(0);
+newstart.setHours(0);
+}
+else {
+// round to 5 minutes
+// @TODO: round to timeslots?
+var round = newstart.getMinutes() % 5;
+if (round > 2.5) newstart.setTime(newstart.getTime() + (5 - round) * 60000);
+else if (round > 0) newstart.setTime(newstart.getTime() - round * 60000);
+}
+// update event times and display
+update_freebusy_dates(newstart, new Date(newstart.getTime() + freebusy_ui.startdate.data('duration') * 1000));
+if (me.selected_event.allDay)
+render_freebusy_overlay();
+}
+}).data('isdraggable', true);
+}
+else
+overlay.draggable('enable');
+}
+else
+overlay.draggable('disable').hide();
+}
+};
+// fetch free-busy information for each attendee from server
+var load_freebusy_data = function(from, interval)
+{
+var start = new Date(from.getTime() - DAY_MS * 2);  // start 2 days before event
+fix_date(start);
+var end = new Date(start.getTime() + DAY_MS * Math.max(14, freebusy_ui.numdays + 7));   // load min. 14 days
+freebusy_ui.numrequired = 0;
+freebusy_data.all = [];
+freebusy_data.required = [];
+// load free-busy information for every attendee
+var domid, email;
+for (var i=0; i < event_attendees.length; i++) {
+if ((email = event_attendees[i].email)) {
+domid = String(email).replace(rcmail.identifier_expr, '');
+$('#rcmli' + domid).addClass('loading');
+freebusy_ui.loading++;
+$.ajax({
+type: 'GET',
+dataType: 'json',
+url: rcmail.url('freebusy-times'),
+data: { email:email, start:date2servertime(clone_date(start, 1)), end:date2servertime(clone_date(end, 2)), interval:interval, _remote:1 },
+success: function(data) {
+freebusy_ui.loading--;
+// find attendee
+var i, attendee = null;
+for (i=0; i < event_attendees.length; i++) {
+if (freebusy_ui.attendees[i].email == data.email) {
+attendee = freebusy_ui.attendees[i];
+break;
+}
+}
+// copy data to member var
+var ts, status,
+req = attendee.role != 'OPT-PARTICIPANT',
+start = parseISO8601(data.start);
+freebusy_data.start = new Date(start);
+freebusy_data.end = parseISO8601(data.end);
+freebusy_data.interval = data.interval;
+freebusy_data[data.email] = {};
+for (i=0; i < data.slots.length; i++) {
+ts = date2timestring(start, data.interval > 60);
+status = data.slots.charAt(i);
+freebusy_data[data.email][ts] = status
+start = new Date(start.getTime() + data.interval * 60000);
+// set totals
+if (!freebusy_data.required[ts])
+freebusy_data.required[ts] = [0,0,0,0];
+if (req)
+freebusy_data.required[ts][status]++;
+if (!freebusy_data.all[ts])
+freebusy_data.all[ts] = [0,0,0,0];
+freebusy_data.all[ts][status]++;
+}
+// hide loading indicator
+var domid = String(data.email).replace(rcmail.identifier_expr, '');
+$('#rcmli' + domid).removeClass('loading');
+// update display
+update_freebusy_display(data.email);
+}
+});
+// count required attendees
+if (freebusy_ui.attendees[i].role != 'OPT-PARTICIPANT')
+freebusy_ui.numrequired++;
+}
+}
+};
+// re-calculate total status after role change
+var compute_freebusy_totals = function()
+{
+freebusy_ui.numrequired = 0;
+freebusy_data.all = [];
+freebusy_data.required = [];
+var email, req, status;
+for (var i=0; i < event_attendees.length; i++) {
+if (!(email = event_attendees[i].email))
+continue;
+req = freebusy_ui.attendees[i].role != 'OPT-PARTICIPANT';
+if (req)
+freebusy_ui.numrequired++;
+for (var ts in freebusy_data[email]) {
+if (!freebusy_data.required[ts])
+freebusy_data.required[ts] = [0,0,0,0];
+if (!freebusy_data.all[ts])
+freebusy_data.all[ts] = [0,0,0,0];
+status = freebusy_data[email][ts];
+freebusy_data.all[ts][status]++;
+if (req)
+freebusy_data.required[ts][status]++;
+}
+}
+};
+// update free-busy grid with status loaded from server
+var update_freebusy_display = function(email)
+{
+var status_classes = ['unknown','free','busy','tentative','out-of-office'];
+var domid = String(email).replace(rcmail.identifier_expr, '');
+var row = $('#fbrow' + domid);
+var rowall = $('#fbrowall').children();
+var dateonly = freebusy_ui.interval > 60,
+t, ts = date2timestring(freebusy_ui.start, dateonly),
+curdate = new Date(),
+fbdata = freebusy_data[email];
+if (fbdata && fbdata[ts] !== undefined && row.length) {
+t = freebusy_ui.start.getTime();
+row.children().each(function(i, cell) {
+var j, n, attr, last, all_slots = [], slots = [],
+all_cell = rowall.get(i),
+cnt = dateonly ? 1 : (60 / freebusy_ui.interval),
+percent = (100 / cnt);
+for (n=0; n < cnt; n++) {
+curdate.setTime(t);
+ts = date2timestring(curdate, dateonly);
+attr = {
+'style': 'float:left; width:' + percent.toFixed(2) + '%',
+'class': fbdata[ts] ? status_classes[fbdata[ts]] : 'unknown'
+};
+slots.push($('<div>').attr(attr));
+// also update total row if all data was loaded
+if (!freebusy_ui.loading && freebusy_data.all[ts] && all_cell) {
+var all_status = freebusy_data.all[ts][2] ? 'busy' : 'unknown',
+req_status = freebusy_data.required[ts][2] ? 'busy' : 'free';
+for (j=1; j < status_classes.length; j++) {
+if (freebusy_ui.numrequired && freebusy_data.required[ts][j] >= freebusy_ui.numrequired)
+req_status = status_classes[j];
+if (freebusy_data.all[ts][j] == event_attendees.length)
+all_status = status_classes[j];
+}
+attr['class'] = req_status + ' all-' + all_status;
+// these elements use some specific styling, so we want to minimize their number
+if (last && last.attr('class') == attr['class'])
+last.css('width', (percent + parseFloat(last.css('width').replace('%', ''))).toFixed(2) + '%');
+else {
+last = $('<div>').attr(attr);
+all_slots.push(last);
+}
+}
+t += freebusy_ui.interval * 60000;
+}
+$(cell).html('').append(slots);
+if (all_slots.length)
+$(all_cell).html('').append(all_slots);
+});
+}
+};
+// write changed event date/times back to form fields
+var update_freebusy_dates = function(start, end)
+{
+// fix all-day evebt times
+if (me.selected_event.allDay) {
+var numdays = Math.floor((me.selected_event.end.getTime() - me.selected_event.start.getTime()) / DAY_MS);
+start.setHours(12);
+start.setMinutes(0);
+end.setTime(start.getTime() + numdays * DAY_MS);
+end.setHours(13);
+end.setMinutes(0);
+}
+me.selected_event.start = start;
+me.selected_event.end = end;
+freebusy_ui.startdate.val($.fullCalendar.formatDate(start, settings['date_format']));
+freebusy_ui.starttime.val($.fullCalendar.formatDate(start, settings['time_format']));
+freebusy_ui.enddate.val($.fullCalendar.formatDate(end, settings['date_format']));
+freebusy_ui.endtime.val($.fullCalendar.formatDate(end, settings['time_format']));
+freebusy_ui.needsupdate = true;
+};
+// attempt to find a time slot where all attemdees are available
+var freebusy_find_slot = function(dir)
+{
+// exit if free-busy data isn't available yet
+if (!freebusy_data || !freebusy_data.start)
+return false;
+var event = me.selected_event,
+eventstart = clone_date(event.start, event.allDay ? 1 : 0).getTime(),  // calculate with integers
+eventend = clone_date(event.end, event.allDay ? 2 : 0).getTime(),
+duration = eventend - eventstart - (event.allDay ? HOUR_MS : 0),  /* make sure we don't cross day borders on DST change */
+sinterval = freebusy_data.interval * 60000,
+intvlslots = 1,
+numslots = Math.ceil(duration / sinterval),
+fb_start = freebusy_data.start.getTime(),
+fb_end = freebusy_data.end.getTime(),
+checkdate, slotend, email, ts, slot, slotdate = new Date(),
+candidatecount = 0, candidatestart = false, success = false;
+// shift event times to next possible slot
+eventstart += sinterval * intvlslots * dir;
+eventend += sinterval * intvlslots * dir;
+// iterate through free-busy slots and find candidates
+for (slot = dir > 0 ? fb_start : fb_end - sinterval;
+(dir > 0 && slot < fb_end) || (dir < 0 && slot >= fb_start);
+slot += sinterval * dir
+) {
+slotdate.setTime(slot);
+// fix slot if just crossed a DST change
+if (event.allDay) {
+fix_date(slotdate);
+slot = slotdate.getTime();
+}
+slotend = slot + sinterval;
+if ((dir > 0 && slotend <= eventstart) || (dir < 0 && slot >= eventend))  // skip
+continue;
+// respect workinghours setting
+if (freebusy_ui.workinhoursonly) {
+if (is_weekend(slotdate) || (freebusy_data.interval <= 60 && !is_workinghour(slotdate))) {  // skip off-hours
+candidatestart = false;
+candidatecount = 0;
+continue;
+}
+}
+if (!candidatestart)
+candidatestart = slot;
+ts = date2timestring(slotdate, freebusy_data.interval > 60);
+// check freebusy data for all attendees
+for (var i=0; i < event_attendees.length; i++) {
+if (freebusy_ui.attendees[i].role != 'OPT-PARTICIPANT' && (email = freebusy_ui.attendees[i].email) && freebusy_data[email] && freebusy_data[email][ts] > 1) {
+candidatestart = false;
+break;
+}
+}
+// occupied slot
+if (!candidatestart) {
+slot += Math.max(0, intvlslots - candidatecount - 1) * sinterval * dir;
+candidatecount = 0;
+continue;
+}
+else if (dir < 0)
+candidatestart = slot;
+candidatecount++;
+// if candidate is big enough, this is it!
+if (candidatecount == numslots) {
+event.start.setTime(candidatestart);
+event.end.setTime(candidatestart + duration);
+success = true;
+break;
+}
+}
+// update event date/time display
+if (success) {
+update_freebusy_dates(event.start, event.end);
+// move freebusy grid if necessary
+var offset = Math.ceil((event.start.getTime() - freebusy_ui.end.getTime()) / DAY_MS);
+if (event.start.getTime() >= freebusy_ui.end.getTime())
+render_freebusy_grid(Math.max(1, offset));
+else if (event.end.getTime() <= freebusy_ui.start.getTime())
+render_freebusy_grid(Math.min(-1, offset));
+else
+render_freebusy_overlay();
+var now = new Date();
+$('#shedule-find-prev').button('option', 'disabled', (event.start.getTime() < now.getTime()));
+// speak new selection
+rcmail.display_message(rcmail.gettext('suggestedslot', 'calendar') + ': ' + me.event_date_text(event, true), 'voice');
+}
+else {
+alert(rcmail.gettext('noslotfound','calendar'));
+}
+};
+// update event properties and attendees availability if event times have changed
+var event_times_changed = function()
+{
+if (me.selected_event) {
+var allday = $('#edit-allday').get(0);
+me.selected_event.allDay = allday.checked;
+me.selected_event.start = parse_datetime(allday.checked ? '12:00' : $('#edit-starttime').val(), $('#edit-startdate').val());
+me.selected_event.end   = parse_datetime(allday.checked ? '13:00' : $('#edit-endtime').val(), $('#edit-enddate').val());
+if (event_attendees)
+freebusy_ui.needsupdate = true;
+$('#edit-startdate').data('duration', Math.round((me.selected_event.end.getTime() - me.selected_event.start.getTime()) / 1000));
+}
+};
+// add the given list of participants
+var add_attendees = function(names, params)
+{
+names = explode_quoted_string(names.replace(/,\s*$/, ''), ',');
+// parse name/email pairs
+var item, email, name, success = false;
+for (var i=0; i < names.length; i++) {
+email = name = '';
+item = $.trim(names[i]);
+if (!item.length) {
+continue;
+} // address in brackets without name (do nothing)
+else if (item.match(/^<[^@]+@[^>]+>$/)) {
+email = item.replace(/[<>]/g, '');
+} // address without brackets and without name (add brackets)
+else if (rcube_check_email(item)) {
+email = item;
+} // address with name
+else if (item.match(/([^\s<@]+@[^>]+)>*$/)) {
+email = RegExp.$1;
+name = item.replace(email, '').replace(/^["\s<>]+/, '').replace(/["\s<>]+$/, '');
+}
+if (email) {
+add_attendee($.extend({ email:email, name:name }, params));
+success = true;
+}
+else {
+alert(rcmail.gettext('noemailwarning'));
+}
+}
+return success;
+};
+// add the given attendee to the list
+var add_attendee = function(data, readonly, before)
+{
+if (!me.selected_event)
+return false;
+// check for dupes...
+var exists = false;
+$.each(event_attendees, function(i, v){ exists |= (v.email == data.email); });
+if (exists)
+return false;
+var calendar = me.selected_event && me.calendars[me.selected_event.calendar] ? me.calendars[me.selected_event.calendar] : me.calendars[me.selected_calendar];
+var dispname = Q(data.name || data.email);
+if (data.email)
+dispname = '<a href="mailto:' + data.email + '" title="' + Q(data.email) + '" class="mailtolink" data-cutype="' + data.cutype + '">' + dispname + '</a>';
+// role selection
+var organizer = data.role == 'ORGANIZER';
+var opts = {};
+if (organizer)
+opts.ORGANIZER = rcmail.gettext('calendar.roleorganizer');
+opts['REQ-PARTICIPANT'] = rcmail.gettext('calendar.rolerequired');
+opts['OPT-PARTICIPANT'] = rcmail.gettext('calendar.roleoptional');
+opts['NON-PARTICIPANT'] = rcmail.gettext('calendar.rolenonparticipant');
+if (data.cutype != 'RESOURCE')
+opts['CHAIR'] =  rcmail.gettext('calendar.rolechair');
+if (organizer && !readonly)
+dispname = rcmail.env['identities-selector'];
+var select = '<select class="edit-attendee-role"' + (organizer || readonly ? ' disabled="true"' : '') + ' aria-label="' + rcmail.gettext('role','calendar') + '">';
+for (var r in opts)
+select += '<option value="'+ r +'" class="' + r.toLowerCase() + '"' + (data.role == r ? ' selected="selected"' : '') +'>' + Q(opts[r]) + '</option>';
+select += '</select>';
+// availability
+var avail = data.email ? 'loading' : 'unknown';
+// delete icon
+var icon = rcmail.env.deleteicon ? '<img src="' + rcmail.env.deleteicon + '" alt="" />' : rcmail.gettext('delete');
+var dellink = '<a href="#delete" class="iconlink delete deletelink" title="' + Q(rcmail.gettext('delete')) + '">' + icon + '</a>';
+var tooltip = '', status = (data.status || '').toLowerCase(),
+status_label = rcmail.gettext('status' + status, 'libcalendaring');
+// send invitation checkbox
+var invbox = '<input type="checkbox" class="edit-attendee-reply" value="' + Q(data.email) +'" title="' + Q(rcmail.gettext('calendar.sendinvitations')) + '" '
++ (!data.noreply && settings.itip_notify & 1 ? 'checked="checked" ' : '') + '/>';
+if (data['delegated-to'])
+tooltip = rcmail.gettext('libcalendaring.delegatedto') + ' ' + data['delegated-to'];
+else if (data['delegated-from'])
+tooltip = rcmail.gettext('libcalendaring.delegatedfrom') + ' ' + data['delegated-from'];
+else if (status)
+tooltip = status_label;
+// add expand button for groups
+if (data.cutype == 'GROUP') {
+dispname += ' <a href="#expand" data-email="' + Q(data.email) + '" class="iconbutton add expandlink" title="' + rcmail.gettext('expandattendeegroup','libcalendaring') + '">' +
+rcmail.gettext('expandattendeegroup','libcalendaring') + '</a>';
+}
+var img_src = rcmail.assets_path('program/resources/blank.gif');
+var html = '<td class="role">' + select + '</td>' +
+'<td class="name"><span class="attendee-name">' + dispname + '</span></td>' +
+'<td class="availability"><img src="' + img_src + '" class="availabilityicon ' + avail + '" data-email="' + data.email + '" alt="" /></td>' +
+'<td class="confirmstate"><span class="' + status + '" title="' + Q(tooltip) + '">' + Q(status ? status_label : '') + '</span></td>' +
+(data.cutype != 'RESOURCE' ? '<td class="invite">' + (organizer || readonly || !invbox ? '' : invbox) + '</td>' : '') +
+'<td class="options">' + (organizer || readonly ? '' : dellink) + '</td>';
+var table = rcmail.env.calendar_resources && data.cutype == 'RESOURCE' ? resources_list : attendees_list;
+var tr = $('<tr>')
+.addClass(String(data.role).toLowerCase())
+.html(html);
+if (before)
+tr.insertBefore(before)
+else
+tr.appendTo(table);
+tr.find('a.deletelink').click({ id:(data.email || data.name) }, function(e) { remove_attendee(this, e.data.id); return false; });
+tr.find('a.mailtolink').click(event_attendee_click);
+tr.find('a.expandlink').click(data, function(e) { me.expand_attendee_group(e, add_attendee, remove_attendee); return false; });
+tr.find('input.edit-attendee-reply').click(function() {
+var enabled = $('#edit-attendees-invite:checked').length || $('input.edit-attendee-reply:checked').length;
+$('#eventedit .attendees-commentbox')[enabled ? 'show' : 'hide']();
+});
+// select organizer identity
+if (data.identity_id)
+$('#edit-identities-list').val(data.identity_id);
+// check free-busy status
+if (avail == 'loading') {
+check_freebusy_status(tr.find('img.availabilityicon'), data.email, me.selected_event);
+}
+event_attendees.push(data);
+return true;
+};
+// iterate over all attendees and update their free-busy status display
+var update_freebusy_status = function(event)
+{
+attendees_list.find('img.availabilityicon').each(function(i,v) {
+var email, icon = $(this);
+if (email = icon.attr('data-email'))
+check_freebusy_status(icon, email, event);
+});
+freebusy_ui.needsupdate = false;
+};
+// load free-busy status from server and update icon accordingly
+var check_freebusy_status = function(icon, email, event)
+{
+var calendar = event.calendar && me.calendars[event.calendar] ? me.calendars[event.calendar] : { freebusy:false };
+if (!calendar.freebusy) {
+$(icon).attr('class', 'availabilityicon unknown');
+return;
+}
+icon = $(icon).attr('class', 'availabilityicon loading');
+$.ajax({
+type: 'GET',
+dataType: 'html',
+url: rcmail.url('freebusy-status'),
+data: { email:email, start:date2servertime(clone_date(event.start, event.allDay?1:0)), end:date2servertime(clone_date(event.end, event.allDay?2:0)), _remote: 1 },
+success: function(status){
+var avail = String(status).toLowerCase();
+icon.removeClass('loading').addClass(avail).attr('alt', rcmail.gettext('avail' + avail, 'calendar'));
+},
+error: function(){
+icon.removeClass('loading').addClass('unknown').attr('alt', rcmail.gettext('availunknown', 'calendar'));
+}
+});
+};
+// remove an attendee from the list
+var remove_attendee = function(elem, id)
+{
+$(elem).closest('tr').remove();
+event_attendees = $.grep(event_attendees, function(data){ return (data.name != id && data.email != id) });
+};
+// open a dialog to display detailed free-busy information and to find free slots
+var event_resources_dialog = function(search)
+{
+var $dialog = $('#eventresourcesdialog');
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+// dialog buttons
+var buttons = {};
+buttons[rcmail.gettext('addresource', 'calendar')] = function() {
+rcmail.command('add-resource');
+};
+buttons[rcmail.gettext('close')] = function() {
+$dialog.dialog("close");
+};
+// open jquery UI dialog
+$dialog.dialog({
+modal: true,
+resizable: true,
+closeOnEscape: true,
+title: rcmail.gettext('findresources', 'calendar'),
+open: function() {
+rcmail.ksearch_blur();
+$dialog.attr('aria-hidden', 'false');
+},
+close: function() {
+$dialog.dialog('destroy').attr('aria-hidden', 'true').hide();
+},
+resize: function(e) {
+var container = $(rcmail.gui_objects.resourceinfocalendar);
+container.fullCalendar('option', 'height', container.height() + 4);
+},
+buttons: buttons,
+width: 900,
+height: 500
+}).show();
+// define add-button as main action
+$('.ui-dialog-buttonset .ui-button', $dialog.parent()).first().addClass('mainaction').attr('id', 'rcmbtncalresadd');
+me.dialog_resize($dialog.get(0), 540, Math.min(1000, $(window).width() - 50));
+// set search query
+$('#resourcesearchbox').val(search || '');
+// initialize the treelist widget
+if (!resources_treelist) {
+resources_treelist = new rcube_treelist_widget(rcmail.gui_objects.resourceslist, {
+id_prefix: 'rcres',
+id_encode: rcmail.html_identifier_encode,
+id_decode: rcmail.html_identifier_decode,
+selectable: true,
+save_state: true
+});
+resources_treelist.addEventListener('select', function(node) {
+if (resources_data[node.id]) {
+resource_showinfo(resources_data[node.id]);
+rcmail.enable_command('add-resource', me.selected_event && $("#eventedit").is(':visible') ? true : false);
+}
+else {
+rcmail.enable_command('add-resource', false);
+$(rcmail.gui_objects.resourceinfo).hide();
+$(rcmail.gui_objects.resourceownerinfo).hide();
+$(rcmail.gui_objects.resourceinfocalendar).fullCalendar('removeEventSource', resources_events_source);
+}
+});
+// fetch (all) resource data from server
+me.loading_lock = rcmail.set_busy(true, 'loading', me.loading_lock);
+rcmail.http_request('resources-list', {}, me.loading_lock);
+// register button
+rcmail.register_button('add-resource', 'rcmbtncalresadd', 'uibutton');
+// initialize resource calendar display
+var resource_cal = $(rcmail.gui_objects.resourceinfocalendar);
+resource_cal.fullCalendar($.extend({}, fullcalendar_defaults, {
+header: { left: '', center: '', right: '' },
+height: resource_cal.height() + 4,
+defaultView: 'agendaWeek',
+eventSources: [],
+slotMinutes: 60,
+allDaySlot: false,
+eventRender: function(event, element, view) {
+var title = rcmail.get_label(event.status, 'calendar');
+element.addClass('status-' + event.status);
+element.find('.fc-event-head').hide();
+element.find('.fc-event-title').text(title);
+element.attr('aria-label', me.event_date_text(event, true) + ': ' + title);
+}
+}));
+$('#resource-calendar-prev').click(function(){
+resource_cal.fullCalendar('prev');
+return false;
+});
+$('#resource-calendar-next').click(function(){
+resource_cal.fullCalendar('next');
+return false;
+});
+}
+else if (search) {
+resource_search();
+}
+else {
+resource_render_list(resources_index);
+}
+if (me.selected_event && me.selected_event.start) {
+$(rcmail.gui_objects.resourceinfocalendar).fullCalendar('gotoDate', me.selected_event.start);
+}
+};
+// render the resource details UI box
+var resource_showinfo = function(resource)
+{
+// inline function to render a resource attribute
+function render_attrib(value) {
+if (typeof value == 'boolean') {
+return value ? rcmail.get_label('yes') : rcmail.get_label('no');
+}
+return value;
+}
+if (rcmail.gui_objects.resourceinfo) {
+var tr, table = $(rcmail.gui_objects.resourceinfo).show().find('tbody').html(''),
+attribs = $.extend({ name:resource.name }, resource.attributes||{})
+attribs.description = resource.description;
+for (var k in attribs) {
+if (typeof attribs[k] == 'undefined')
+continue;
+table.append($('<tr>').addClass(k)
+.append('<td class="title">' + Q(ucfirst(rcmail.get_label(k, 'calendar'))) + '</td>')
+.append('<td class="value">' + text2html(render_attrib(attribs[k])) + '</td>')
+);
+}
+$(rcmail.gui_objects.resourceownerinfo).hide();
+$(rcmail.gui_objects.resourceinfocalendar).fullCalendar('removeEventSource', resources_events_source);
+if (resource.owner) {
+// display cached data
+if (resource_owners[resource.owner]) {
+resource_owner_load(resource_owners[resource.owner]);
+}
+else {
+// fetch owner data from server
+me.loading_lock = rcmail.set_busy(true, 'loading', me.loading_lock);
+rcmail.http_request('resources-owner', { _id: resource.owner }, me.loading_lock);
+}
+}
+// load resource calendar
+resources_events_source.url = "./?_task=calendar&_action=resources-calendar&_id="+urlencode(resource.ID);
+$(rcmail.gui_objects.resourceinfocalendar).fullCalendar('addEventSource', resources_events_source);
+}
+};
+// callback from server for resource listing
+var resource_data_load = function(data)
+{
+var resources_tree = {};
+// store data by ID
+$.each(data, function(i, rec) {
+resources_data[rec.ID] = rec;
+// assign parent-relations
+if (rec.members) {
+$.each(rec.members, function(j, m){
+resources_tree[m] = rec.ID;
+});
+}
+});
+// walk the parent-child tree to determine the depth of each node
+$.each(data, function(i, rec) {
+rec._depth = 0;
+if (resources_tree[rec.ID])
+rec.parent_id = resources_tree[rec.ID];
+var parent_id = resources_tree[rec.ID];
+while (parent_id) {
+rec._depth++;
+parent_id = resources_tree[parent_id];
+}
+});
+// sort by depth, collection and name
+data.sort(function(a,b) {
+var j = a._type == 'collection' ? 1 : 0,
+k = b._type == 'collection' ? 1 : 0,
+d = a._depth - b._depth;
+if (!d) d = (k - j);
+if (!d) d = b.name < a.name ? 1 : -1;
+return d;
+});
+$.each(data, function(i, rec) {
+resources_index.push(rec.ID);
+});
+// apply search filter...
+if ($('#resourcesearchbox').val() != '')
+resource_search();
+else  // ...or render full list
+resource_render_list(resources_index);
+rcmail.set_busy(false, null, me.loading_lock);
+};
+// renders the given list of resource records into the treelist
+var resource_render_list = function(index) {
+var rec, link;
+resources_treelist.reset();
+$.each(index, function(i, dn) {
+if (rec = resources_data[dn]) {
+link = $('<a>').attr('href', '#')
+.attr('rel', rec.ID)
+.html(Q(rec.name));
+resources_treelist.insert({ id:rec.ID, html:link, classes:[rec._type], collapsed:true }, rec.parent_id, false);
+}
+});
+};
+// callback from server for owner information display
+var resource_owner_load = function(data)
+{
+if (data) {
+// cache this!
+resource_owners[data.ID] = data;
+var table = $(rcmail.gui_objects.resourceownerinfo).find('tbody').html('');
+for (var k in data) {
+if (k == 'event' || k == 'ID')
+continue;
+table.append($('<tr>').addClass(k)
+.append('<td class="title">' + Q(ucfirst(rcmail.get_label(k, 'calendar'))) + '</td>')
+.append('<td class="value">' + text2html(data[k]) + '</td>')
+);
+}
+table.parent().show();
+}
+}
+// quick-filter the loaded resource data
+var resource_search = function()
+{
+var dn, rec, dataset = [],
+q = $('#resourcesearchbox').val().toLowerCase();
+if (q.length && resources_data) {
+// search by iterating over all resource records
+for (dn in resources_data) {
+rec = resources_data[dn];
+if ((rec.name && String(rec.name).toLowerCase().indexOf(q) >= 0)
+|| (rec.email && String(rec.email).toLowerCase().indexOf(q) >= 0)
+|| (rec.description && String(rec.description).toLowerCase().indexOf(q) >= 0)
+) {
+dataset.push(rec.ID);
+}
+}
+resource_render_list(dataset);
+// select single match
+if (dataset.length == 1) {
+resources_treelist.select(dataset[0]);
+}
+}
+else {
+$('#resourcesearchbox').val('');
+}
+};
+//
+var reset_resource_search = function()
+{
+$('#resourcesearchbox').val('').focus();
+resource_render_list(resources_index);
+};
+//
+var add_resource2event = function()
+{
+var resource = resources_data[resources_treelist.get_selection()];
+if (resource) {
+if (add_attendee($.extend({ role:'REQ-PARTICIPANT', status:'NEEDS-ACTION', cutype:'RESOURCE' }, resource)))
+rcmail.display_message(rcmail.get_label('resourceadded', 'calendar'), 'confirmation');
+}
+}
+// when the user accepts or declines an event invitation
+var event_rsvp = function(response, delegate, replymode)
+{
+var btn;
+if (typeof response == 'object') {
+btn = $(response);
+response = btn.attr('rel')
+}
+else {
+btn = $('#event-rsvp input.button[rel='+response+']');
+}
+// show menu to select rsvp reply mode (current or all)
+if (me.selected_event && me.selected_event.recurrence && !replymode) {
+rcube_libcalendaring.itip_rsvp_recurring(btn, function(resp, mode) {
+event_rsvp(resp, null, mode);
+});
+return;
+}
+if (me.selected_event && me.selected_event.attendees && response) {
+// bring up delegation dialog
+if (response == 'delegated' && !delegate) {
+rcube_libcalendaring.itip_delegate_dialog(function(data) {
+data.rsvp = data.rsvp ? 1 : '';
+event_rsvp('delegated', data, replymode);
+});
+return;
+}
+// update attendee status
+attendees = [];
+for (var data, i=0; i < me.selected_event.attendees.length; i++) {
+data = me.selected_event.attendees[i];
+if (settings.identity.emails.indexOf(';'+String(data.email).toLowerCase()) >= 0) {
+data.status = response.toUpperCase();
+data.rsvp = 0;  // unset RSVP flag
+if (data.status == 'DELEGATED') {
+data['delegated-to'] = delegate.to;
+data.rsvp = delegate.rsvp
+}
+else {
+if (data['delegated-to']) {
+delete data['delegated-to'];
+if (data.role == 'NON-PARTICIPANT' && data.status != 'DECLINED')
+data.role = 'REQ-PARTICIPANT';
+}
+}
+attendees.push(i)
+}
+else if (response != 'DELEGATED' && data['delegated-from'] &&
+settings.identity.emails.indexOf(';'+String(data['delegated-from']).toLowerCase()) >= 0) {
+delete data['delegated-from'];
+}
+// set free_busy status to transparent if declined (#4425)
+if (data.status == 'DECLINED' || data.role == 'NON-PARTICIPANT') {
+me.selected_event.free_busy = 'free';
+}
+else {
+me.selected_event.free_busy = 'busy';
+}
+}
+// submit status change to server
+var submit_data = $.extend({}, me.selected_event, { source:null, comment:$('#reply-comment-event-rsvp').val(), _savemode: replymode || 'all' }, (delegate || {})),
+noreply = $('#noreply-event-rsvp:checked').length ? 1 : 0;
+// import event from mail (temporary iTip event)
+if (submit_data._mbox && submit_data._uid) {
+me.saving_lock = rcmail.set_busy(true, 'calendar.savingdata');
+rcmail.http_post('mailimportitip', {
+_mbox: submit_data._mbox,
+_uid:  submit_data._uid,
+_part: submit_data._part,
+_status:  response,
+_to: (delegate ? delegate.to : null),
+_rsvp: (delegate && delegate.rsvp) ? 1 : 0,
+_noreply: noreply,
+_comment: submit_data.comment,
+_instance: submit_data._instance,
+_savemode: submit_data._savemode
+});
+}
+else if (settings.invitation_calendars) {
+update_event('rsvp', submit_data, { status:response, noreply:noreply, attendees:attendees });
+}
+else {
+me.saving_lock = rcmail.set_busy(true, 'calendar.savingdata');
+rcmail.http_post('event', { action:'rsvp', e:submit_data, status:response, attendees:attendees, noreply:noreply });
+}
+event_show_dialog(me.selected_event);
+}
+};
+// add the given date to the RDATE list
+var add_rdate = function(date)
+{
+var li = $('<li>')
+.attr('data-value', date2servertime(date))
+.html('<span>' + Q($.fullCalendar.formatDate(date, settings['date_format'])) + '</span>')
+.appendTo('#edit-recurrence-rdates');
+$('<a>').attr('href', '#del')
+.addClass('iconbutton delete')
+.html(rcmail.get_label('delete', 'calendar'))
+.attr('title', rcmail.get_label('delete', 'calendar'))
+.appendTo(li);
+};
+// re-sort the list items by their 'data-value' attribute
+var sort_rdates = function()
+{
+var mylist = $('#edit-recurrence-rdates'),
+listitems = mylist.children('li').get();
+listitems.sort(function(a, b) {
+var compA = $(a).attr('data-value');
+var compB = $(b).attr('data-value');
+return (compA < compB) ? -1 : (compA > compB) ? 1 : 0;
+})
+$.each(listitems, function(idx, item) { mylist.append(item); });
+}
+// remove the link reference matching the given uri
+function remove_link(elem)
+{
+var $elem = $(elem), uri = $elem.attr('data-uri');
+me.selected_event.links = $.grep(me.selected_event.links, function(link) { return link.uri != uri; });
+// remove UI list item
+$elem.hide().closest('li').addClass('deleted');
+}
+// post the given event data to server
+var update_event = function(action, data, add)
+{
+me.saving_lock = rcmail.set_busy(true, 'calendar.savingdata');
+rcmail.http_post('calendar/event', $.extend({ action:action, e:data }, (add || {})));
+// render event temporarily into the calendar
+if ((data.start && data.end) || data.id) {
+var event = data.id ? $.extend(fc.fullCalendar('clientEvents', function(e){ return e.id == data.id; })[0], data) : data;
+if (data.start)
+event.start = data.start;
+if (data.end)
+event.end = data.end;
+if (data.allday !== undefined)
+event.allDay = data.allday;
+event.editable = false;
+event.temp = true;
+event.className = 'fc-event-cal-'+data.calendar+' fc-event-temp';
+fc.fullCalendar(data.id ? 'updateEvent' : 'renderEvent', event);
+// mark all recurring instances as temp
+if (event.recurrence || event.recurrence_id) {
+var base_id = event.recurrence_id ? event.recurrence_id : String(event.id).replace(/-\d+(T\d{6})?$/, '');
+$.each(fc.fullCalendar('clientEvents', function(e){ return e.id == base_id || e.recurrence_id == base_id; }), function(i,ev) {
+ev.temp = true;
+ev.editable = false;
+event.className += ' fc-event-temp';
+fc.fullCalendar('updateEvent', ev);
+});
+}
+}
+};
+// mouse-click handler to check if the show dialog is still open and prevent default action
+var dialog_check = function(e)
+{
+var showd = $("#eventshow");
+if (showd.is(':visible') && !$(e.target).closest('.ui-dialog').length && !$(e.target).closest('.popupmenu').length) {
+showd.dialog('close');
+e.stopImmediatePropagation();
+ignore_click = true;
+return false;
+}
+else if (ignore_click) {
+window.setTimeout(function(){ ignore_click = false; }, 20);
+return false;
+}
+return true;
+};
+// display confirm dialog when modifying/deleting an event
+var update_event_confirm = function(action, event, data)
+{
+// Allow other plugins to do actions here
+// E.g. when you move/resize the event init wasn't called
+// but we need it as some plugins may modify user identities
+// we depend on here (kolab_delegation)
+rcmail.triggerEvent('calendar-event-init', {o: event});
+if (!data) data = event;
+var decline = false, notify = false, html = '', cal = me.calendars[event.calendar],
+_has_attendees = me.has_attendees(event),
+_is_attendee = _has_attendees && me.is_attendee(event),
+_is_organizer = me.is_organizer(event);
+// event has attendees, ask whether to notify them
+if (_has_attendees) {
+var checked = (settings.itip_notify & 1 ? ' checked="checked"' : '');
+if (action == 'remove' && cal.group != 'shared' && !_is_organizer && _is_attendee) {
+decline = true;
+checked = event.status != 'CANCELLED' ? checked : '';
+html += '<div class="message">' +
+'<label><input class="confirm-attendees-decline" type="checkbox"' + checked + ' value="1" name="decline" />&nbsp;' +
+rcmail.gettext('itipdeclineevent', 'calendar') +
+'</label></div>';
+}
+else if (_is_organizer) {
+notify = true;
+if (settings.itip_notify & 2) {
+html += '<div class="message">' +
+'<label><input class="confirm-attendees-donotify" type="checkbox"' + checked + ' value="1" name="notify" />&nbsp;' +
+rcmail.gettext((action == 'remove' ? 'sendcancellation' : 'sendnotifications'), 'calendar') +
+'</label></div>';
+}
+else {
+data._notify = settings.itip_notify;
+}
+}
+}
+// recurring event: user needs to select the savemode
+if (event.recurrence) {
+var future_disabled = '', message_label = (action == 'remove' ? 'removerecurringeventwarning' : 'changerecurringeventwarning');
+// disable the 'future' savemode if I'm an attendee
+// reason: no calendaring system supports the thisandfuture range parameter in iTip REPLY
+if (action == 'remove' && !_is_organizer && _is_attendee) {
+future_disabled = ' disabled';
+}
+html += '<div class="message"><span class="ui-icon ui-icon-alert"></span>' +
+rcmail.gettext(message_label, 'calendar') + '</div>' +
+'<div class="savemode">' +
+'<a href="#current" class="button">' + rcmail.gettext('currentevent', 'calendar') + '</a>' +
+'<a href="#future" class="button' + future_disabled + '">' + rcmail.gettext('futurevents', 'calendar') + '</a>' +
+'<a href="#all" class="button">' + rcmail.gettext('allevents', 'calendar') + '</a>' +
+(action != 'remove' ? '<a href="#new" class="button">' + rcmail.gettext('saveasnew', 'calendar') + '</a>' : '') +
+'</div>';
+}
+// show dialog
+if (html) {
+var $dialog = $('<div>').html(html);
+$dialog.find('a.button').button().filter(':not(.disabled)').click(function(e) {
+data._savemode = String(this.href).replace(/.+#/, '');
+data._notify = settings.itip_notify;
+// open event edit dialog when saving as new
+if (data._savemode == 'new') {
+event._savemode = 'new';
+event_edit_dialog('edit', event);
+fc.fullCalendar('refetchEvents');
+}
+else {
+if ($dialog.find('input.confirm-attendees-donotify').length)
+data._notify = $dialog.find('input.confirm-attendees-donotify').get(0).checked ? 1 : 0;
+if (decline) {
+data._decline = $dialog.find('input.confirm-attendees-decline:checked').length;
+data._notify = 0;
+}
+update_event(action, data);
+}
+$dialog.dialog("close");
+return false;
+});
+var buttons = [];
+if (!event.recurrence) {
+buttons.push({
+text: rcmail.gettext((action == 'remove' ? 'delete' : 'save'), 'calendar'),
+click: function() {
+data._notify = notify && $dialog.find('input.confirm-attendees-donotify:checked').length ? 1 : 0;
+data._decline = decline && $dialog.find('input.confirm-attendees-decline:checked').length ? 1 : 0;
+update_event(action, data);
+$(this).dialog("close");
+}
+});
+}
+buttons.push({
+text: rcmail.gettext('cancel', 'calendar'),
+click: function() {
+$(this).dialog("close");
+}
+});
+$dialog.dialog({
+modal: true,
+width: 460,
+dialogClass: 'warning',
+title: rcmail.gettext((action == 'remove' ? 'removeeventconfirm' : 'changeeventconfirm'), 'calendar'),
+buttons: buttons,
+open: function() {
+setTimeout(function(){
+$dialog.parent().find('.ui-button:not(.ui-dialog-titlebar-close)').first().focus();
+}, 5);
+},
+close: function(){
+$dialog.dialog("destroy").remove();
+if (!rcmail.busy)
+fc.fullCalendar('refetchEvents');
+}
+}).addClass('event-update-confirm').show();
+return false;
+}
+// show regular confirm box when deleting
+else if (action == 'remove' && !cal.undelete) {
+if (!confirm(rcmail.gettext('deleteventconfirm', 'calendar')))
+return false;
+}
+// do update
+update_event(action, data);
+return true;
+};
+var update_agenda_toolbar = function()
+{
+$('#agenda-listrange').val(fc.fullCalendar('option', 'listRange'));
+$('#agenda-listsections').val(fc.fullCalendar('option', 'listSections'));
+}
+/*** public methods ***/
+/**
+* Remove saving lock and free the UI for new input
+*/
+this.unlock_saving = function()
+{
+if (me.saving_lock)
+rcmail.set_busy(false, null, me.saving_lock);
+};
+// opens calendar day-view in a popup
+this.fisheye_view = function(date)
+{
+$('#fish-eye-view:ui-dialog').dialog('close');
+// create list of active event sources
+var src, cals = {}, sources = [];
+for (var id in this.calendars) {
+src = $.extend({}, this.calendars[id]);
+src.editable = false;
+src.url = null;
+src.events = [];
+if (src.active) {
+cals[id] = src;
+sources.push(src);
+}
+}
+// copy events already loaded
+var events = fc.fullCalendar('clientEvents');
+for (var event, i=0; i< events.length; i++) {
+event = events[i];
+if (event.source && (src = cals[event.source.id])) {
+src.events.push(event);
+}
+}
+var h = $(window).height() - 50;
+var dialog = $('<div>')
+.attr('id', 'fish-eye-view')
+.dialog({
+modal: true,
+width: 680,
+height: h,
+title: $.fullCalendar.formatDate(date, 'dddd ' + settings['date_long']),
+close: function(){
+dialog.dialog("destroy");
+me.fisheye_date = null;
+}
+})
+.fullCalendar($.extend({}, fullcalendar_defaults, {
+defaultView: 'agendaDay',
+header: { left: '', center: '', right: '' },
+height: h - 50,
+date: date.getDate(),
+month: date.getMonth(),
+year: date.getFullYear(),
+eventSources: sources
+}));
+this.fisheye_date = date;
+};
+// opens the given calendar in a popup dialog
+this.quickview = function(id, shift)
+{
+var src, in_quickview = false;
+$.each(this.quickview_sources, function(i,cal) {
+if (cal.id == id) {
+in_quickview = true;
+src = cal;
+}
+});
+// remove source from quickview
+if (in_quickview && shift) {
+this.quickview_sources = $.grep(this.quickview_sources, function(src) { return src.id != id; });
+}
+else {
+if (!shift) {
+// remove all current quickview event sources
+if (this.quickview_active) {
+fc.fullCalendar('removeEventSources');
+}
+this.quickview_sources = [];
+// uncheck all active quickview icons
+calendars_list.container.find('div.focusview')
+.add('#calendars .searchresults div.focusview')
+.removeClass('focusview')
+.find('a.quickview').attr('aria-checked', 'false');
+}
+if (!in_quickview) {
+// clone and modify calendar properties
+src = $.extend({}, this.calendars[id]);
+src.url += '&_quickview=1';
+this.quickview_sources.push(src);
+}
+}
+// disable quickview
+if (this.quickview_active && !this.quickview_sources.length) {
+// register regular calendar event sources
+$.each(this.calendars, function(k, cal) {
+if (cal.active)
+fc.fullCalendar('addEventSource', cal);
+});
+this.quickview_active = false;
+$('body').removeClass('quickview-active');
+// uncheck all active quickview icons
+calendars_list.container.find('div.focusview')
+.add('#calendars .searchresults div.focusview')
+.removeClass('focusview')
+.find('a.quickview').attr('aria-checked', 'false');
+}
+// activate quickview
+else if (!this.quickview_active) {
+// remove regular calendar event sources
+fc.fullCalendar('removeEventSources');
+// register quickview event sources
+$.each(this.quickview_sources, function(i, src) {
+fc.fullCalendar('addEventSource', src);
+});
+this.quickview_active = true;
+$('body').addClass('quickview-active');
+}
+// update quickview sources
+else if (in_quickview) {
+fc.fullCalendar('removeEventSource', src);
+}
+else if (src) {
+fc.fullCalendar('addEventSource', src);
+}
+// activate quickview icon
+if (this.quickview_active) {
+$(calendars_list.get_item(id)).find('.calendar').first()
+.add('#calendars .searchresults .cal-' + id)
+[in_quickview ? 'removeClass' : 'addClass']('focusview')
+.find('a.quickview').attr('aria-checked', in_quickview ? 'false' : 'true');
+}
+};
+// disable quickview mode
+function reset_quickview()
+{
+// remove all current quickview event sources
+if (me.quickview_active) {
+fc.fullCalendar('removeEventSources');
+me.quickview_sources = [];
+}
+// register regular calendar event sources
+$.each(me.calendars, function(k, cal) {
+if (cal.active)
+fc.fullCalendar('addEventSource', cal);
+});
+// uncheck all active quickview icons
+calendars_list.container.find('div.focusview')
+.add('#calendars .searchresults div.focusview')
+.removeClass('focusview')
+.find('a.quickview').attr('aria-checked', 'false');
+me.quickview_active = false;
+$('body').removeClass('quickview-active');
+};
+//public method to show the print dialog.
+this.print_calendars = function(view)
+{
+if (!view) view = fc.fullCalendar('getView').name;
+var date = fc.fullCalendar('getDate') || new Date();
+var range = fc.fullCalendar('option', 'listRange');
+var sections = fc.fullCalendar('option', 'listSections');
+rcmail.open_window(rcmail.url('print', { view: view, date: date2unixtime(date), range: range, sections: sections, search: this.search_query }), true, true);
+};
+// public method to bring up the new event dialog
+this.add_event = function(templ) {
+if (this.selected_calendar) {
+var now = new Date();
+var date = fc.fullCalendar('getDate');
+if (typeof date != 'Date')
+date = now;
+date.setHours(now.getHours()+1);
+date.setMinutes(0);
+var end = new Date(date.getTime());
+end.setHours(date.getHours()+1);
+event_edit_dialog('new', $.extend({ start:date, end:end, allDay:false, calendar:this.selected_calendar }, templ || {}));
+}
+};
+// delete the given event after showing a confirmation dialog
+this.delete_event = function(event) {
+// show confirm dialog for recurring events, use jquery UI dialog
+return update_event_confirm('remove', event, { id:event.id, calendar:event.calendar, attendees:event.attendees });
+};
+// opens a jquery UI dialog with event properties (or empty for creating a new calendar)
+this.calendar_edit_dialog = function(calendar)
+{
+// close show dialog first
+var $dialog = $("#calendarform");
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+if (!calendar)
+calendar = { name:'', color:'cc0000', editable:true, showalarms:true };
+var form, name, color, alarms;
+$dialog.html(rcmail.get_label('loading'));
+$.ajax({
+type: 'GET',
+dataType: 'html',
+url: rcmail.url('calendar'),
+data: { action:(calendar.id ? 'form-edit' : 'form-new'), c:{ id:calendar.id } },
+success: function(data) {
+$dialog.html(data);
+// resize and reposition dialog window
+form = $('#calendarpropform');
+me.dialog_resize('#calendarform', form.height(), form.width());
+name = $('#calendar-name').prop('disabled', !calendar.editable).val(calendar.editname || calendar.name);
+color = $('#calendar-color').val(calendar.color).miniColors({ value: calendar.color, colorValues:rcmail.env.mscolors });
+alarms = $('#calendar-showalarms').prop('checked', calendar.showalarms).get(0);
+name.select();
+}
+});
+// dialog buttons
+var buttons = {};
+buttons[rcmail.gettext('save', 'calendar')] = function() {
+// form is not loaded
+if (!form || !form.length)
+return;
+// TODO: do some input validation
+if (!name.val() || name.val().length < 2) {
+alert(rcmail.gettext('invalidcalendarproperties', 'calendar'));
+name.select();
+return;
+}
+// post data to server
+var data = form.serializeJSON();
+if (data.color)
+data.color = data.color.replace(/^#/, '');
+if (calendar.id)
+data.id = calendar.id;
+if (alarms)
+data.showalarms = alarms.checked ? 1 : 0;
+me.saving_lock = rcmail.set_busy(true, 'calendar.savingdata');
+rcmail.http_post('calendar', { action:(calendar.id ? 'edit' : 'new'), c:data });
+$dialog.dialog("close");
+};
+buttons[rcmail.gettext('cancel', 'calendar')] = function() {
+$dialog.dialog("close");
+};
+// open jquery UI dialog
+$dialog.dialog({
+modal: true,
+resizable: true,
+closeOnEscape: false,
+title: rcmail.gettext((calendar.id ? 'editcalendar' : 'createcalendar'), 'calendar'),
+open: function() {
+$dialog.parent().find('.ui-dialog-buttonset .ui-button').first().addClass('mainaction');
+},
+close: function() {
+$dialog.html('').dialog("destroy").hide();
+},
+buttons: buttons,
+minWidth: 400,
+width: 420
+}).show();
+};
+this.calendar_remove = function(calendar)
+{
+this.calendar_destroy_source(calendar.id);
+rcmail.http_post('calendar', { action:'subscribe', c:{ id:calendar.id, active:0, permanent:0, recursive:1 } });
+return true;
+};
+this.calendar_delete = function(calendar)
+{
+if (confirm(rcmail.gettext(calendar.children ? 'deletecalendarconfirmrecursive' : 'deletecalendarconfirm', 'calendar'))) {
+rcmail.http_post('calendar', { action:'delete', c:{ id:calendar.id } });
+return true;
+}
+return false;
+};
+this.calendar_refresh_source = function(id)
+{
+// got race-conditions fc.currentFetchID when using refetchEvents,
+// so we remove and add the source instead
+// fc.fullCalendar('refetchEvents', me.calendars[id]);
+fc.fullCalendar('removeEventSource', me.calendars[id]);
+fc.fullCalendar('addEventSource', me.calendars[id]);
+};
+this.calendar_destroy_source = function(id)
+{
+var delete_ids = [];
+if (this.calendars[id]) {
+// find sub-calendars
+if (this.calendars[id].children) {
+for (var child_id in this.calendars) {
+if (String(child_id).indexOf(id) == 0)
+delete_ids.push(child_id);
+}
+}
+else {
+delete_ids.push(id);
+}
+}
+// delete all calendars in the list
+for (var i=0; i < delete_ids.length; i++) {
+id = delete_ids[i];
+calendars_list.remove(id);
+fc.fullCalendar('removeEventSource', this.calendars[id]);
+$('#edit-calendar option[value="'+id+'"]').remove();
+delete this.calendars[id];
+}
+};
+// open a dialog to upload an .ics file with events to be imported
+this.import_events = function(calendar)
+{
+// close show dialog first
+var $dialog = $("#eventsimport"),
+form = rcmail.gui_objects.importform;
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+if (calendar)
+$('#event-import-calendar').val(calendar.id);
+var buttons = {};
+buttons[rcmail.gettext('import', 'calendar')] = function() {
+if (form && form.elements._data.value) {
+rcmail.async_upload_form(form, 'import_events', function(e) {
+rcmail.set_busy(false, null, me.saving_lock);
+$('.ui-dialog-buttonpane button', $dialog.parent()).button('enable');
+// display error message if no sophisticated response from server arrived (e.g. iframe load error)
+if (me.import_succeeded === null)
+rcmail.display_message(rcmail.get_label('importerror', 'calendar'), 'error');
+});
+// display upload indicator (with extended timeout)
+var timeout = rcmail.env.request_timeout;
+rcmail.env.request_timeout = 600;
+me.import_succeeded = null;
+me.saving_lock = rcmail.set_busy(true, 'uploading');
+$('.ui-dialog-buttonpane button', $dialog.parent()).button('disable');
+// restore settings
+rcmail.env.request_timeout = timeout;
+}
+};
+buttons[rcmail.gettext('cancel', 'calendar')] = function() {
+$dialog.dialog("close");
+};
+// open jquery UI dialog
+$dialog.dialog({
+modal: true,
+resizable: false,
+closeOnEscape: false,
+title: rcmail.gettext('importevents', 'calendar'),
+open: function() {
+$dialog.parent().find('.ui-dialog-buttonset .ui-button').first().addClass('mainaction');
+},
+close: function() {
+$('.ui-dialog-buttonpane button', $dialog.parent()).button('enable');
+$dialog.dialog("destroy").hide();
+},
+buttons: buttons,
+width: 520
+}).show();
+};
+// callback from server if import succeeded
+this.import_success = function(p)
+{
+this.import_succeeded = true;
+$("#eventsimport:ui-dialog").dialog('close');
+rcmail.set_busy(false, null, me.saving_lock);
+rcmail.gui_objects.importform.reset();
+if (p.refetch)
+this.refresh(p);
+};
+// callback from server to report errors on import
+this.import_error = function(p)
+{
+this.import_succeeded = false;
+rcmail.set_busy(false, null, me.saving_lock);
+rcmail.display_message(p.message || rcmail.get_label('importerror', 'calendar'), 'error');
+}
+// open a dialog to select calendars for export
+this.export_events = function(calendar)
+{
+// close show dialog first
+var $dialog = $("#eventsexport"),
+form = rcmail.gui_objects.exportform;
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+if (calendar)
+$('#event-export-calendar').val(calendar.id);
+$('#event-export-range').change(function(e){
+var custom = $('option:selected', this).val() == 'custom',
+input = $('#event-export-startdate')
+input.parent()[(custom?'show':'hide')]();
+if (custom)
+input.select();
+})
+var buttons = {};
+buttons[rcmail.gettext('export', 'calendar')] = function() {
+if (form) {
+var start = 0, range = $('#event-export-range option:selected', this).val(),
+source = $('#event-export-calendar option:selected').val(),
+attachmt = $('#event-export-attachments').get(0).checked;
+if (range == 'custom')
+start = date2unixtime(parse_datetime('00:00', $('#event-export-startdate').val()));
+else if (range > 0)
+start = 'today -' + range + ' months';
+rcmail.goto_url('export_events', { source:source, start:start, attachments:attachmt?1:0 });
+}
+$dialog.dialog("close");
+};
+buttons[rcmail.gettext('cancel', 'calendar')] = function() {
+$dialog.dialog("close");
+};
+// open jquery UI dialog
+$dialog.dialog({
+modal: true,
+resizable: false,
+closeOnEscape: false,
+title: rcmail.gettext('exporttitle', 'calendar'),
+open: function() {
+$dialog.parent().find('.ui-dialog-buttonset .ui-button').first().addClass('mainaction');
+},
+close: function() {
+$('.ui-dialog-buttonpane button', $dialog.parent()).button('enable');
+$dialog.dialog("destroy").hide();
+},
+buttons: buttons,
+width: 520
+}).show();
+};
+// download the selected event as iCal
+this.event_download = function(event)
+{
+if (event && event.id) {
+rcmail.goto_url('export_events', { source:event.calendar, id:event.id, attachments:1 });
+}
+};
+// open the message compose step with a calendar_event parameter referencing the selected event.
+// the server-side plugin hook will pick that up and attach the event to the message.
+this.event_sendbymail = function(event, e)
+{
+if (event && event.id) {
+rcmail.command('compose', { _calendar_event:event._id }, e ? e.target : null, e);
+}
+};
+// display the edit dialog, request 'new' action and pass the selected event
+this.event_copy = function(event) {
+if (event && event.id) {
+var copy = $.extend(true, {}, event);
+delete copy.id;
+delete copy._id;
+delete copy.created;
+delete copy.changed;
+delete copy.recurrence_id;
+delete copy.attachments; // @TODO
+$.each(copy.attendees, function (k, v) {
+if (v.role != 'ORGANIZER') {
+v.status = 'NEEDS-ACTION';
+}
+})
+event_edit_dialog('new', copy);
+}
+};
+// show URL of the given calendar in a dialog box
+this.showurl = function(calendar)
+{
+var $dialog = $('#calendarurlbox');
+if ($dialog.is(':ui-dialog'))
+$dialog.dialog('close');
+if (calendar.feedurl) {
+if (calendar.caldavurl) {
+$('#caldavurl').val(calendar.caldavurl);
+$('#calendarcaldavurl').show();
+}
+else {
+$('#calendarcaldavurl').hide();
+}
+$dialog.dialog({
+resizable: true,
+closeOnEscape: true,
+title: rcmail.gettext('showurl', 'calendar'),
+close: function() {
+$dialog.dialog("destroy").hide();
+},
+width: 520
+}).show();
+$('#calfeedurl').val(calendar.feedurl).select();
+}
+};
+// refresh the calendar view after saving event data
+this.refresh = function(p)
+{
+var source = me.calendars[p.source];
+// helper function to update the given fullcalendar view
+function update_view(view, event, source) {
+var existing = view.fullCalendar('clientEvents', event._id);
+if (existing.length) {
+$.extend(existing[0], event);
+view.fullCalendar('updateEvent', existing[0]);
+// remove old recurrence instances
+if (event.recurrence && !event.recurrence_id)
+view.fullCalendar('removeEvents', function(e){ return e._id.indexOf(event._id+'-') == 0; });
+}
+else {
+event.source = source;  // link with source
+view.fullCalendar('renderEvent', event);
+}
+}
+// remove temp events
+fc.fullCalendar('removeEvents', function(e){ return e.temp; });
+if (source && (p.refetch || (p.update && !source.active))) {
+// activate event source if new event was added to an invisible calendar
+if (this.quickview_active) {
+// map source to the quickview_sources equivalent
+$.each(this.quickview_sources, function(src) {
+if (src.id == source.id) {
+source = src;
+return false;
+}
+});
+fc.fullCalendar('refetchEvents', source, true);
+}
+else if (!source.active) {
+source.active = true;
+fc.fullCalendar('addEventSource', source);
+$('#rcmlical' + source.id + ' input').prop('checked', true);
+}
+else
+fc.fullCalendar('refetchEvents', source, true);
+fetch_counts();
+}
+// add/update single event object
+else if (source && p.update) {
+var event = p.update;
+event.temp = false;
+event.editable = 0;
+// update fish-eye view
+if (this.fisheye_date)
+update_view($('#fish-eye-view'), event, source);
+// update main view
+event.editable = source.editable;
+update_view(fc, event, source);
+// update the currently displayed event dialog
+if ($('#eventshow').is(':visible') && me.selected_event && me.selected_event.id == event.id)
+event_show_dialog(event)
+}
+// refetch all calendars
+else if (p.refetch) {
+fc.fullCalendar('refetchEvents', undefined, true);
+fetch_counts();
+}
+};
+// modify query parameters for refresh requests
+this.before_refresh = function(query)
+{
+var view = fc.fullCalendar('getView');
+query.start = date2unixtime(view.visStart);
+query.end = date2unixtime(view.visEnd);
+if (this.search_query)
+query.q = this.search_query;
+return query;
+};
+// callback from server providing event counts
+this.update_counts = function(p)
+{
+$.each(p.counts, function(cal, count) {
+var li = calendars_list.get_item(cal),
+bubble = $(li).children('.calendar').find('span.count');
+if (!bubble.length && count > 0) {
+bubble = $('<span>')
+.addClass('count')
+.appendTo($(li).children('.calendar').first())
+}
+if (count > 0) {
+bubble.text(count).show();
+}
+else {
+bubble.text('').hide();
+}
+});
+};
+// callback after an iTip message event was imported
+this.itip_message_processed = function(data)
+{
+// remove temporary iTip source
+fc.fullCalendar('removeEventSource', this.calendars['--invitation--itip']);
+$('#eventshow:ui-dialog').dialog('close');
+this.selected_event = null;
+// refresh destination calendar source
+this.refresh({ source:data.calendar, refetch:true });
+this.unlock_saving();
+// process 'after_action' in mail task
+if (window.opener && window.opener.rcube_libcalendaring)
+window.opener.rcube_libcalendaring.itip_message_processed(data);
+};
+// reload the calendar view by keeping the current date/view selection
+this.reload_view = function()
+{
+var query = { view: fc.fullCalendar('getView').name },
+date = fc.fullCalendar('getDate');
+if (date)
+query.date = date2unixtime(date);
+rcmail.redirect(rcmail.url('', query));
+}
+// update browser location to remember current view
+this.update_state = function()
+{
+var query = { view: current_view },
+date = fc.fullCalendar('getDate');
+if (date)
+query.date = date2unixtime(date);
+if (window.history.replaceState)
+window.history.replaceState({}, document.title, rcmail.url('', query).replace('&_action=', ''));
+};
+this.resource_search = resource_search;
+this.reset_resource_search = reset_resource_search;
+this.add_resource2event = add_resource2event;
+this.resource_data_load = resource_data_load;
+this.resource_owner_load = resource_owner_load;
+/***  event searching  ***/
+// execute search
+this.quicksearch = function()
+{
+if (rcmail.gui_objects.qsearchbox) {
+var q = rcmail.gui_objects.qsearchbox.value;
+if (q != '') {
+var id = 'search-'+q;
+var sources = [];
+if (me.quickview_active)
+reset_quickview();
+if (this._search_message)
+rcmail.hide_message(this._search_message);
+for (var sid in this.calendars) {
+if (this.calendars[sid]) {
+this.calendars[sid].url = this.calendars[sid].url.replace(/&q=.+/, '') + '&q=' + urlencode(q);
+sources.push(sid);
+}
+}
+id += '@'+sources.join(',');
+// ignore if query didn't change
+if (this.search_request == id) {
+return;
+}
+// remember current view
+else if (!this.search_request) {
+this.default_view = fc.fullCalendar('getView').name;
+}
+this.search_request = id;
+this.search_query = q;
+// change to list view
+fc.fullCalendar('option', 'listSections', 'month')
+.fullCalendar('option', 'listRange', Math.max(60, settings['agenda_range']))
+.fullCalendar('changeView', 'table');
+update_agenda_toolbar();
+// refetch events with new url (if not already triggered by changeView)
+if (!this.is_loading)
+fc.fullCalendar('refetchEvents');
+}
+else  // empty search input equals reset
+this.reset_quicksearch();
+}
+};
+// reset search and get back to normal event listing
+this.reset_quicksearch = function()
+{
+$(rcmail.gui_objects.qsearchbox).val('');
+if (this._search_message)
+rcmail.hide_message(this._search_message);
+if (this.search_request) {
+// hide bottom links of agenda view
+fc.find('.fc-list-content > .fc-listappend').hide();
+// restore original event sources and view mode from fullcalendar
+fc.fullCalendar('option', 'listSections', settings['agenda_sections'])
+.fullCalendar('option', 'listRange', settings['agenda_range']);
+update_agenda_toolbar();
+for (var sid in this.calendars) {
+if (this.calendars[sid])
+this.calendars[sid].url = this.calendars[sid].url.replace(/&q=.+/, '');
+}
+if (this.default_view)
+fc.fullCalendar('changeView', this.default_view);
+if (!this.is_loading)
+fc.fullCalendar('refetchEvents');
+this.search_request = this.search_query = null;
+}
+};
+// callback if all sources have been fetched from server
+this.events_loaded = function(count)
+{
+var addlinks, append = '';
+// enhance list view when searching
+if (this.search_request) {
+if (!count) {
+this._search_message = rcmail.display_message(rcmail.gettext('searchnoresults', 'calendar'), 'notice');
+append = '<div class="message">' + rcmail.gettext('searchnoresults', 'calendar') + '</div>';
+}
+append += '<div class="fc-bottomlinks formlinks"></div>';
+addlinks = true;
+}
+if (fc.fullCalendar('getView').name == 'table') {
+var container = fc.find('.fc-list-content > .fc-listappend');
+if (append) {
+if (!container.length)
+container = $('<div class="fc-listappend"></div>').appendTo(fc.find('.fc-list-content'));
+container.html(append).show();
+}
+else if (container.length)
+container.hide();
+// add links to adjust search date range
+if (addlinks) {
+var lc = container.find('.fc-bottomlinks');
+$('<a>').attr('href', '#').html(rcmail.gettext('searchearlierdates', 'calendar')).appendTo(lc).click(function(){
+fc.fullCalendar('incrementDate', 0, -1, 0);
+});
+lc.append(" ");
+$('<a>').attr('href', '#').html(rcmail.gettext('searchlaterdates', 'calendar')).appendTo(lc).click(function(){
+var range = fc.fullCalendar('option', 'listRange');
+if (range < 90) {
+fc.fullCalendar('option', 'listRange', fc.fullCalendar('option', 'listRange') + 30).fullCalendar('render');
+update_agenda_toolbar();
+}
+else
+fc.fullCalendar('incrementDate', 0, 1, 0);
+});
+}
+}
+if (this.fisheye_date)
+this.fisheye_view(this.fisheye_date);
+};
+// adjust calendar view size
+this.view_resize = function()
+{
+var footer = fc.fullCalendar('getView').name == 'table' ? $('#agendaoptions').outerHeight() : 0;
+fc.fullCalendar('option', 'height', $('#calendar').height() - footer);
+};
+// mark the given calendar folder as selected
+this.select_calendar = function(id, nolistupdate)
+{
+if (!nolistupdate)
+calendars_list.select(id);
+// trigger event hook
+rcmail.triggerEvent('selectfolder', { folder:id, prefix:'rcmlical' });
+this.selected_calendar = id;
+rcmail.update_state({source: id});
+};
+// register the given calendar to the current view
+var add_calendar_source = function(cal)
+{
+var color, brightness, select, id = cal.id;
+me.calendars[id] = $.extend({
+url: rcmail.url('calendar/load_events', { source: id }),
+className: 'fc-event-cal-'+id,
+id: id
+}, cal);
+// choose black text color when background is bright, white otherwise
+if (color = settings.event_coloring % 2  ? '' : '#' + cal.color) {
+if (/^#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})$/i.test(color)) {
+// use information about brightness calculation found at
+// http://javascriptrules.com/2009/08/05/css-color-brightness-contrast-using-javascript/
+brightness = (parseInt(RegExp.$1, 16) * 299 + parseInt(RegExp.$2, 16) * 587 + parseInt(RegExp.$3, 16) * 114) / 1000;
+if (brightness > 125)
+me.calendars[id].textColor = 'black';
+}
+me.calendars[id].color = color;
+}
+if (fc && (cal.active || cal.subscribed)) {
+if (cal.active)
+fc.fullCalendar('addEventSource', me.calendars[id]);
+var submit = { id: id, active: cal.active ? 1 : 0 };
+if (cal.subscribed !== undefined)
+submit.permanent = cal.subscribed ? 1 : 0;
+rcmail.http_post('calendar', { action:'subscribe', c:submit });
+}
+// insert to #calendar-select options if writeable
+select = $('#edit-calendar');
+if (fc && me.has_permission(cal, 'i') && select.length && !select.find('option[value="'+id+'"]').length) {
+$('<option>').attr('value', id).html(cal.name).appendTo(select);
+}
+}
+// fetch counts for some calendars from the server
+var fetch_counts = function()
+{
+if (count_sources.length) {
+setTimeout(function() {
+rcmail.http_request('calendar/count', { source:count_sources });
+}, 500);
+}
+};
+/***  startup code  ***/
+// create list of event sources AKA calendars
+var id, cal, active, event_sources = [];
+for (id in rcmail.env.calendars) {
+cal = rcmail.env.calendars[id];
+active = cal.active || false;
+add_calendar_source(cal);
+// check active calendars
+$('#rcmlical'+id+' > .calendar input').prop('checked', active);
+if (active) {
+event_sources.push(this.calendars[id]);
+}
+if (cal.counts) {
+count_sources.push(id);
+}
+if (cal.editable && !this.selected_calendar) {
+this.selected_calendar = id;
+rcmail.enable_command('addevent', true);
+}
+}
+// initialize treelist widget that controls the calendars list
+var widget_class = window.kolab_folderlist || rcube_treelist_widget;
+calendars_list = new widget_class(rcmail.gui_objects.calendarslist, {
+id_prefix: 'rcmlical',
+selectable: true,
+save_state: true,
+keyboard: false,
+searchbox: '#calendarlistsearch',
+search_action: 'calendar/calendar',
+search_sources: [ 'folders', 'users' ],
+search_title: rcmail.gettext('calsearchresults','calendar')
+});
+calendars_list.addEventListener('select', function(node) {
+if (node && node.id && me.calendars[node.id]) {
+me.select_calendar(node.id, true);
+rcmail.enable_command('calendar-edit', 'calendar-showurl', true);
+rcmail.enable_command('calendar-delete', me.calendars[node.id].editable);
+rcmail.enable_command('calendar-remove', me.calendars[node.id] && me.calendars[node.id].removable);
+}
+});
+calendars_list.addEventListener('insert-item', function(p) {
+var cal = p.data;
+if (cal && cal.id) {
+add_calendar_source(cal);
+// add css classes related to this calendar to document
+if (cal.css) {
+$('<style type="text/css"></style>')
+.html(cal.css)
+.appendTo('head');
+}
+}
+});
+calendars_list.addEventListener('subscribe', function(p) {
+var cal;
+if ((cal = me.calendars[p.id])) {
+cal.subscribed = p.subscribed || false;
+rcmail.http_post('calendar', { action:'subscribe', c:{ id:p.id, active:cal.active?1:0, permanent:cal.subscribed?1:0 } });
+}
+});
+calendars_list.addEventListener('remove', function(p) {
+if (me.calendars[p.id] && me.calendars[p.id].removable) {
+me.calendar_remove(me.calendars[p.id]);
+}
+});
+calendars_list.addEventListener('search-complete', function(data) {
+if (data.length)
+rcmail.display_message(rcmail.gettext('nrcalendarsfound','calendar').replace('$nr', data.length), 'voice');
+else
+rcmail.display_message(rcmail.gettext('nocalendarsfound','calendar'), 'info');
+});
+calendars_list.addEventListener('click-item', function(event) {
+// handle clicks on quickview icon: temprarily add this source and open in quickview
+if ($(event.target).hasClass('quickview') && event.data) {
+if (!me.calendars[event.data.id]) {
+event.data.readonly = true;
+event.data.active = false;
+event.data.subscribed = false;
+add_calendar_source(event.data);
+}
+me.quickview(event.data.id, event.shiftKey || event.metaKey || event.ctrlKey);
+return false;
+}
+});
+// init (delegate) event handler on calendar list checkboxes
+$(rcmail.gui_objects.calendarslist).on('click', 'input[type=checkbox]', function(e) {
+e.stopPropagation();
+if (me.quickview_active) {
+this.checked = !this.checked;
+return false;
+}
+var id = this.value;
+if (me.calendars[id]) {  // add or remove event source on click
+var action;
+if (this.checked) {
+action = 'addEventSource';
+me.calendars[id].active = true;
+}
+else {
+action = 'removeEventSource';
+me.calendars[id].active = false;
+}
+// adjust checked state of original list item
+if (calendars_list.is_search()) {
+calendars_list.container.find('input[value="'+id+'"]').prop('checked', this.checked);
+}
+// add/remove event source
+fc.fullCalendar(action, me.calendars[id]);
+rcmail.http_post('calendar', { action:'subscribe', c:{ id:id, active:me.calendars[id].active?1:0 } });
+}
+})
+.on('keypress', 'input[type=checkbox]', function(e) {
+// select calendar on <Enter>
+if (e.keyCode == 13) {
+calendars_list.select(this.value);
+return rcube_event.cancel(e);
+}
+})
+// init (delegate) event handler on quickview links
+.on('click', 'a.quickview', function(e) {
+var id = $(this).closest('li').attr('id').replace(/^rcmlical/, '');
+if (calendars_list.is_search())
+id = id.replace(/--xsR$/, '');
+if (me.calendars[id])
+me.quickview(id, e.shiftKey || e.metaKey || e.ctrlKey);
+if (!rcube_event.is_keyboard(e) && this.blur)
+this.blur();
+e.stopPropagation();
+return false;
+});
+// register dbl-click handler to open calendar edit dialog
+$(rcmail.gui_objects.calendarslist).on('dblclick', ':not(.virtual) > .calname', function(e){
+var id = $(this).closest('li').attr('id').replace(/^rcmlical/, '');
+me.calendar_edit_dialog(me.calendars[id]);
+});
+// select default calendar
+if (rcmail.env.source && this.calendars[rcmail.env.source])
+this.selected_calendar = rcmail.env.source;
+else if (settings.default_calendar && this.calendars[settings.default_calendar] && this.calendars[settings.default_calendar].editable)
+this.selected_calendar = settings.default_calendar;
+if (this.selected_calendar)
+this.select_calendar(this.selected_calendar);
+var viewdate = new Date();
+if (rcmail.env.date)
+viewdate.setTime(fromunixtime(rcmail.env.date));
+// add source with iTip event data for rendering
+if (rcmail.env.itip_events && rcmail.env.itip_events.length) {
+me.calendars['--invitation--itip'] = {
+events: rcmail.env.itip_events,
+className: 'fc-event-cal---invitation--itip',
+color: '#fff',
+textColor: '#333',
+editable: false,
+rights: 'lrs',
+attendees: true
+};
+event_sources.push(me.calendars['--invitation--itip']);
+}
+// initalize the fullCalendar plugin
+var fc = $('#calendar').fullCalendar($.extend({}, fullcalendar_defaults, {
+header: {
+right: 'prev,next today',
+center: 'title',
+left: 'agendaDay,agendaWeek,month,table'
+},
+date: viewdate.getDate(),
+month: viewdate.getMonth(),
+year: viewdate.getFullYear(),
+height: $('#calendar').height(),
+eventSources: event_sources,
+selectable: true,
+selectHelper: false,
+loading: function(isLoading) {
+me.is_loading = isLoading;
+this._rc_loading = rcmail.set_busy(isLoading, 'loading', this._rc_loading);
+// trigger callback
+if (!isLoading)
+me.events_loaded($(this).fullCalendar('clientEvents').length);
+},
+// callback for date range selection
+select: function(start, end, allDay, e, view) {
+var range_select = (!allDay || start.getDate() != end.getDate())
+if (dialog_check(e) && range_select)
+event_edit_dialog('new', { start:start, end:end, allDay:allDay, calendar:me.selected_calendar });
+if (range_select || ignore_click)
+view.calendar.unselect();
+},
+// callback for clicks in all-day box
+dayClick: function(date, allDay, e, view) {
+var now = new Date().getTime();
+if (now - day_clicked_ts < 400 && day_clicked == date.getTime()) {  // emulate double-click on day
+var enddate = new Date(); enddate.setTime(date.getTime() + DAY_MS - 60000);
+return event_edit_dialog('new', { start:date, end:enddate, allDay:allDay, calendar:me.selected_calendar });
+}
+if (!ignore_click) {
+view.calendar.gotoDate(date);
+if (day_clicked && new Date(day_clicked).getMonth() != date.getMonth())
+view.calendar.select(date, date, allDay);
+}
+day_clicked = date.getTime();
+day_clicked_ts = now;
+},
+// callback when an event was dragged and finally dropped
+eventDrop: function(event, dayDelta, minuteDelta, allDay, revertFunc) {
+if (event.end == null || event.end.getTime() < event.start.getTime()) {
+event.end = new Date(event.start.getTime() + (allDay ? DAY_MS : HOUR_MS));
+}
+// moved to all-day section: set times to 12:00 - 13:00
+if (allDay && !event.allDay) {
+event.start.setHours(12);
+event.start.setMinutes(0);
+event.start.setSeconds(0);
+event.end.setHours(13);
+event.end.setMinutes(0);
+event.end.setSeconds(0);
+}
+// moved from all-day section: set times to working hours
+else if (event.allDay && !allDay) {
+var newstart = event.start.getTime();
+revertFunc();  // revert to get original duration
+var numdays = Math.max(1, Math.round((event.end.getTime() - event.start.getTime()) / DAY_MS)) - 1;
+event.start = new Date(newstart);
+event.end = new Date(newstart + numdays * DAY_MS);
+event.end.setHours(settings['work_end'] || 18);
+event.end.setMinutes(0);
+if (event.end.getTime() < event.start.getTime())
+event.end = new Date(newstart + HOUR_MS);
+}
+// send move request to server
+var data = {
+id: event.id,
+calendar: event.calendar,
+start: date2servertime(event.start),
+end: date2servertime(event.end),
+allday: allDay?1:0
+};
+update_event_confirm('move', event, data);
+},
+// callback for event resizing
+eventResize: function(event, delta) {
+// sanitize event dates
+if (event.allDay)
+event.start.setHours(12);
+if (!event.end || event.end.getTime() < event.start.getTime())
+event.end = new Date(event.start.getTime() + HOUR_MS);
+// send resize request to server
+var data = {
+id: event.id,
+calendar: event.calendar,
+start: date2servertime(event.start),
+end: date2servertime(event.end)
+};
+update_event_confirm('resize', event, data);
+},
+viewDisplay: function(view) {
+$('#agendaoptions')[view.name == 'table' ? 'show' : 'hide']();
+if (minical) {
+window.setTimeout(function(){ minical.datepicker('setDate', fc.fullCalendar('getDate')); }, exec_deferred);
+if (view.name != current_view)
+me.view_resize();
+current_view = view.name;
+me.update_state();
+}
+},
+viewRender: function(view) {
+if (fc && view.name == 'month')
+fc.fullCalendar('option', 'maxHeight', Math.floor((view.element.parent().height()-18) / 6) - 35);
+}
+}));
+// if start date is changed, shift end date according to initial duration
+var shift_enddate = function(dateText) {
+var newstart = parse_datetime('0', dateText);
+var newend = new Date(newstart.getTime() + $('#edit-startdate').data('duration') * 1000);
+$('#edit-enddate').val($.fullCalendar.formatDate(newend, me.settings['date_format']));
+event_times_changed();
+};
+// Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
+// Uses the default $.datepicker.iso8601Week() function but takes firstDay setting into account.
+// This is a temporary fix until http://bugs.jqueryui.com/ticket/8420 is resolved.
+var iso8601Week = datepicker_settings.calculateWeek = function(date) {
+var mondayOffset = Math.abs(1 - datepicker_settings.firstDay);
+return $.datepicker.iso8601Week(new Date(date.getTime() + mondayOffset * 86400000));
+};
+var minical;
+var init_calendar_ui = function()
+{
+// initialize small calendar widget using jQuery UI datepicker
+minical = $('#datepicker').datepicker($.extend(datepicker_settings, {
+inline: true,
+showWeek: true,
+changeMonth: true,
+changeYear: true,
+onSelect: function(dateText, inst) {
+ignore_click = true;
+var d = minical.datepicker('getDate'); //parse_datetime('0:0', dateText);
+fc.fullCalendar('gotoDate', d).fullCalendar('select', d, d, true);
+},
+onChangeMonthYear: function(year, month, inst) {
+minical.data('year', year).data('month', month);
+},
+beforeShowDay: function(date) {
+var view = fc.fullCalendar('getView');
+var active = view.visStart && date.getTime() >= view.visStart.getTime() && date.getTime() < view.visEnd.getTime();
+return [ true, (active ? 'ui-datepicker-activerange ui-datepicker-active-' + view.name : ''), ''];
+}
+})) // set event handler for clicks on calendar week cell of the datepicker widget
+.on('click', 'td.ui-datepicker-week-col', function(e) {
+var cell = $(e.target);
+if (e.target.tagName == 'TD') {
+var base_date = minical.datepicker('getDate');
+if (minical.data('month'))
+base_date.setMonth(minical.data('month')-1);
+if (minical.data('year'))
+base_date.setYear(minical.data('year'));
+base_date.setHours(12);
+base_date.setDate(base_date.getDate() - ((base_date.getDay() + 6) % 7) + datepicker_settings.firstDay);
+var base_kw = iso8601Week(base_date),
+target_kw = parseInt(cell.html()),
+wdiff = target_kw - base_kw;
+if (wdiff > 10)  // year jump
+base_date.setYear(base_date.getFullYear() - 1);
+else if (wdiff < -10)
+base_date.setYear(base_date.getFullYear() + 1);
+// select monday of the chosen calendar week
+var day_off = base_date.getDay() - datepicker_settings.firstDay,
+date = new Date(base_date.getTime() - day_off * DAY_MS + wdiff * 7 * DAY_MS);
+fc.fullCalendar('gotoDate', date).fullCalendar('setDate', date).fullCalendar('changeView', 'agendaWeek');
+minical.datepicker('setDate', date);
+}
+});
+minical.find('.ui-datepicker-inline').attr('aria-labelledby', 'aria-label-minical');
+if (rcmail.env.date) {
+var viewdate = new Date();
+viewdate.setTime(fromunixtime(rcmail.env.date));
+minical.datepicker('setDate', viewdate);
+}
+// init event dialog
+$('#eventtabs').tabs({
+activate: function(event, ui) {
+// newPanel.selector for jQuery-UI 1.10, newPanel.attr('id') for jQuery-UI 1.12
+var tab = String(ui.newPanel.selector || ui.newPanel.attr('id'))
+.replace(/^#?event-panel-/, '').replace(/s$/, '');
+var has_real_attendee = function(attendees) {
+for (var i=0; i < (attendees ? attendees.length : 0); i++) {
+if (attendees[i].cutype != 'RESOURCE')
+return true;
+}
+};
+if (tab == 'attendee' || tab == 'resource') {
+if (!rcube_event.is_keyboard(event))
+$('#edit-'+tab+'-name').select();
+// update free-busy status if needed
+if (freebusy_ui.needsupdate && me.selected_event)
+update_freebusy_status(me.selected_event);
+// add current user as organizer if non added yet
+if (tab == 'attendee' && !has_real_attendee(event_attendees)) {
+add_attendee($.extend({ role:'ORGANIZER' }, settings.identity));
+$('#edit-attendees-form .attendees-invitebox').show();
+}
+}
+// reset autocompletion on tab change (#3389)
+rcmail.ksearch_blur();
+}
+});
+$('#edit-enddate').datepicker(datepicker_settings);
+$('#edit-startdate').datepicker(datepicker_settings).datepicker('option', 'onSelect', shift_enddate).change(function(){ shift_enddate(this.value); });
+$('#edit-enddate').datepicker('option', 'onSelect', event_times_changed).change(event_times_changed);
+$('#edit-allday').click(function(){ $('#edit-starttime, #edit-endtime')[(this.checked?'hide':'show')](); event_times_changed(); });
+// configure drop-down menu on time input fields based on jquery UI autocomplete
+$('#edit-starttime, #edit-endtime, #eventedit input.edit-alarm-time').each(function() {
+me.init_time_autocomplete(this, {
+container: '#eventedit',
+change: event_times_changed
+});
+});
+// adjust end time when changing start
+$('#edit-starttime').change(function(e) {
+var dstart = $('#edit-startdate'),
+newstart = parse_datetime(this.value, dstart.val()),
+newend = new Date(newstart.getTime() + dstart.data('duration') * 1000);
+$('#edit-endtime').val($.fullCalendar.formatDate(newend, me.settings['time_format']));
+$('#edit-enddate').val($.fullCalendar.formatDate(newend, me.settings['date_format']));
+event_times_changed();
+});
+// register events on alarms and recurrence fields
+me.init_alarms_edit('#edit-alarms');
+me.init_recurrence_edit('#eventedit');
+// reload free-busy status when changing the organizer identity
+$('#eventedit').on('change', '#edit-identities-list', function(e) {
+var email = settings.identities[$(this).val()],
+icon = $(this).closest('tr').find('img.availabilityicon');
+if (email && icon.length) {
+icon.attr('data-email', email);
+check_freebusy_status(icon, email, me.selected_event);
+}
+});
+$('#event-export-startdate').datepicker(datepicker_settings);
+// init attendees autocompletion
+var ac_props;
+// parallel autocompletion
+if (rcmail.env.autocomplete_threads > 0) {
+ac_props = {
+threads: rcmail.env.autocomplete_threads,
+sources: rcmail.env.autocomplete_sources
+};
+}
+rcmail.init_address_input_events($('#edit-attendee-name'), ac_props);
+rcmail.addEventListener('autocomplete_insert', function(e) {
+var success = false;
+if (e.field.name == 'participant') {
+success = add_attendees(e.insert, { role:'REQ-PARTICIPANT', status:'NEEDS-ACTION', cutype:(e.data && e.data.type == 'group' ? 'GROUP' : 'INDIVIDUAL') });
+}
+else if (e.field.name == 'resource' && e.data && e.data.email) {
+success = add_attendee($.extend(e.data, { role:'REQ-PARTICIPANT', status:'NEEDS-ACTION', cutype:'RESOURCE' }));
+}
+if (e.field && success) {
+e.field.value = '';
+}
+});
+$('#edit-attendee-add').click(function(){
+var input = $('#edit-attendee-name');
+rcmail.ksearch_blur();
+if (add_attendees(input.val(), { role:'REQ-PARTICIPANT', status:'NEEDS-ACTION', cutype:'INDIVIDUAL' })) {
+input.val('');
+}
+});
+rcmail.init_address_input_events($('#edit-resource-name'), { action:'calendar/resources-autocomplete' });
+$('#edit-resource-add').click(function(){
+var input = $('#edit-resource-name');
+rcmail.ksearch_blur();
+if (add_attendees(input.val(), { role:'REQ-PARTICIPANT', status:'NEEDS-ACTION', cutype:'RESOURCE' })) {
+input.val('');
+}
+});
+$('#edit-resource-find').click(function(){
+event_resources_dialog();
+return false;
+});
+// handle change of "send invitations" checkbox
+$('#edit-attendees-invite').change(function() {
+$('#edit-attendees-donotify,input.edit-attendee-reply').prop('checked', this.checked);
+// hide/show comment field
+$('#eventedit .attendees-commentbox')[this.checked ? 'show' : 'hide']();
+});
+// delegate change event to "send invitations" checkbox
+$('#edit-attendees-donotify').change(function() {
+$('#edit-attendees-invite').click();
+return false;
+});
+$('#edit-attendee-schedule').click(function(){
+event_freebusy_dialog();
+});
+$('#shedule-freebusy-prev').html(bw.ie6 ? '&lt;&lt;' : '&#9668;').button().click(function(){ render_freebusy_grid(-1); });
+$('#shedule-freebusy-next').html(bw.ie6 ? '&gt;&gt;' : '&#9658;').button().click(function(){ render_freebusy_grid(1); }).parent().buttonset();
+$('#shedule-find-prev').button().click(function(){ freebusy_find_slot(-1); });
+$('#shedule-find-next').button().click(function(){ freebusy_find_slot(1); });
+$('#schedule-freebusy-workinghours').click(function(){
+freebusy_ui.workinhoursonly = this.checked;
+$('#workinghourscss').remove();
+if (this.checked)
+$('<style type="text/css" id="workinghourscss"> td.offhours { opacity:0.3; filter:alpha(opacity=30) } </style>').appendTo('head');
+});
+$('#event-rsvp input.button').click(function(e) {
+event_rsvp(this)
+});
+$('#eventedit input.edit-recurring-savemode').change(function(e) {
+var sel = $('input.edit-recurring-savemode:checked').val(),
+disabled = sel == 'current' || sel == 'future';
+$('#event-panel-recurrence input, #event-panel-recurrence select, #event-panel-attachments input').prop('disabled', disabled);
+$('#event-panel-recurrence, #event-panel-attachments')[(disabled?'addClass':'removeClass')]('disabled');
+})
+$('#eventshow .changersvp').click(function(e) {
+var d = $('#eventshow'),
+h = -$(this).closest('.event-line').toggle().height();
+$('#event-rsvp').slideDown(300, function() {
+h += $(this).height();
+me.dialog_resize(d.get(0), d.height() + h, d.outerWidth() - 50);
+});
+return false;
+})
+// register click handler for message links
+$('#edit-event-links, #event-links').on('click', 'li a.messagelink', function(e) {
+rcmail.open_window(this.href);
+if (!rcube_event.is_keyboard(e) && this.blur)
+this.blur();
+return false;
+});
+// register click handler for message delete buttons
+$('#edit-event-links').on('click', 'li a.delete', function(e) {
+remove_link(e.target);
+return false;
+});
+$('#agenda-listrange').change(function(e){
+settings['agenda_range'] = parseInt($(this).val());
+fc.fullCalendar('option', 'listRange', settings['agenda_range']).fullCalendar('render');
+// TODO: save new settings in prefs
+}).val(settings['agenda_range']);
+$('#agenda-listsections').change(function(e){
+settings['agenda_sections'] = $(this).val();
+fc.fullCalendar('option', 'listSections', settings['agenda_sections']).fullCalendar('render');
+// TODO: save new settings in prefs
+}).val(fc.fullCalendar('option', 'listSections'));
+// hide event dialog when clicking somewhere into document
+$(document).bind('mousedown', dialog_check);
+rcmail.set_busy(false, 'loading', ui_loading);
+}
+// initialize more UI elements (deferred)
+window.setTimeout(init_calendar_ui, exec_deferred);
+// fetch counts for some calendars
+fetch_counts();
+// add proprietary css styles if not IE
+if (!bw.ie)
+$('div.fc-content').addClass('rcube-fc-content');
+// IE supresses 2nd click event when double-clicking
+if (bw.ie && bw.vendver < 9) {
+$('div.fc-content').bind('dblclick', function(e){
+if (!$(this).hasClass('fc-widget-header') && fc.fullCalendar('getView').name != 'table') {
+var date = fc.fullCalendar('getDate');
+var enddate = new Date(); enddate.setTime(date.getTime() + DAY_MS - 60000);
+event_edit_dialog('new', { start:date, end:enddate, allDay:true, calendar:me.selected_calendar });
+}
+});
+}
+} // end rcube_calendar class
+/* calendar plugin initialization */
+window.rcmail && rcmail.addEventListener('init', function(evt) {
+// configure toolbar buttons
+rcmail.register_command('addevent', function(){ cal.add_event(); }, true);
+rcmail.register_command('print', function(){ cal.print_calendars(); }, true);
+// configure list operations
+rcmail.register_command('calendar-create', function(){ cal.calendar_edit_dialog(null); }, true);
+rcmail.register_command('calendar-edit', function(){ cal.calendar_edit_dialog(cal.calendars[cal.selected_calendar]); }, false);
+rcmail.register_command('calendar-remove', function(){ cal.calendar_remove(cal.calendars[cal.selected_calendar]); }, false);
+rcmail.register_command('calendar-delete', function(){ cal.calendar_delete(cal.calendars[cal.selected_calendar]); }, false);
+rcmail.register_command('events-import', function(){ cal.import_events(cal.calendars[cal.selected_calendar]); }, true);
+rcmail.register_command('calendar-showurl', function(){ cal.showurl(cal.calendars[cal.selected_calendar]); }, false);
+rcmail.register_command('event-download', function(){ cal.event_download(cal.selected_event); }, true);
+rcmail.register_command('event-sendbymail', function(p, obj, e){ cal.event_sendbymail(cal.selected_event, e); }, true);
+rcmail.register_command('event-copy', function(){ cal.event_copy(cal.selected_event); }, true);
+rcmail.register_command('event-history', function(p, obj, e){ cal.event_history_dialog(cal.selected_event); }, false);
+// search and export events
+rcmail.register_command('export', function(){ cal.export_events(cal.calendars[cal.selected_calendar]); }, true);
+rcmail.register_command('search', function(){ cal.quicksearch(); }, true);
+rcmail.register_command('reset-search', function(){ cal.reset_quicksearch(); }, true);
+// resource invitation dialog
+rcmail.register_command('search-resource', function(){ cal.resource_search(); }, true);
+rcmail.register_command('reset-resource-search', function(){ cal.reset_resource_search(); }, true);
+rcmail.register_command('add-resource', function(){ cal.add_resource2event(); }, false);
+// register callback commands
+rcmail.addEventListener('plugin.refresh_source', function(data) { cal.calendar_refresh_source(data); });
+rcmail.addEventListener('plugin.destroy_source', function(p){ cal.calendar_destroy_source(p.id); });
+rcmail.addEventListener('plugin.unlock_saving', function(p){ cal.unlock_saving(); });
+rcmail.addEventListener('plugin.refresh_calendar', function(p){ cal.refresh(p); });
+rcmail.addEventListener('plugin.import_success', function(p){ cal.import_success(p); });
+rcmail.addEventListener('plugin.import_error', function(p){ cal.import_error(p); });
+rcmail.addEventListener('plugin.update_counts', function(p){ cal.update_counts(p); });
+rcmail.addEventListener('plugin.reload_view', function(p){ cal.reload_view(p); });
+rcmail.addEventListener('plugin.resource_data', function(p){ cal.resource_data_load(p); });
+rcmail.addEventListener('plugin.resource_owner', function(p){ cal.resource_owner_load(p); });
+rcmail.addEventListener('plugin.render_event_changelog', function(data){ cal.render_event_changelog(data); });
+rcmail.addEventListener('plugin.event_show_diff', function(data){ cal.event_show_diff(data); });
+rcmail.addEventListener('plugin.close_history_dialog', function(data){ cal.close_history_dialog(); });
+rcmail.addEventListener('plugin.event_show_revision', function(data){ cal.event_show_dialog(data, null, true); });
+rcmail.addEventListener('plugin.itip_message_processed', function(data){ cal.itip_message_processed(data); });
+rcmail.addEventListener('requestrefresh', function(q){ return cal.before_refresh(q); });
+// let's go
+var cal = new rcube_calendar_ui($.extend(rcmail.env.calendar_settings, rcmail.env.libcal_settings));
+$(window).resize(function(e) {
+// check target due to bugs in jquery
+// http://bugs.jqueryui.com/ticket/7514
+// http://bugs.jquery.com/ticket/9841
+if (e.target == window) {
+cal.view_resize();
+}
+}).resize();
+// show calendars list when ready
+$('#calendars').css('visibility', 'inherit');
+// show toolbar
+$('#toolbar').show();
+});