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| /*! * FullCalendar v2.1.1 * Docs & License: http://arshaw.com/fullcalendar/ * (c) 2013 Adam Shaw */(function(factory) {	if (typeof define === 'function' && define.amd) {		define([ 'jquery', 'moment' ], factory);	}	else {		factory(jQuery, moment);	}})(function($, moment) {;;var defaults = {	lang: 'en',	defaultTimedEventDuration: '02:00:00',	defaultAllDayEventDuration: { days: 1 },	forceEventDuration: false,	nextDayThreshold: '09:00:00', // 9am	// display	defaultView: 'month',	aspectRatio: 1.35,	header: {		left: 'title',		center: '',		right: 'today prev,next'	},	weekends: true,	weekNumbers: false,	weekNumberTitle: 'W',	weekNumberCalculation: 'local',		//editable: false,		// event ajax	lazyFetching: true,	startParam: 'start',	endParam: 'end',	timezoneParam: 'timezone',	timezone: false,	//allDayDefault: undefined,		// time formats	titleFormat: {		month: 'MMMM YYYY', // like "September 1986". each language will override this		week: 'll', // like "Sep 4 1986"		day: 'LL' // like "September 4 1986"	},	columnFormat: {		month: 'ddd', // like "Sat"		week: generateWeekColumnFormat,		day: 'dddd' // like "Saturday"	},	timeFormat: { // for event elements		'default': generateShortTimeFormat	},	displayEventEnd: {		month: false,		basicWeek: false,		'default': true	},		// locale	isRTL: false,	defaultButtonText: {		prev: "prev",		next: "next",		prevYear: "prev year",		nextYear: "next year",		today: 'today',		month: 'month',		week: 'week',		day: 'day'	},	buttonIcons: {		prev: 'left-single-arrow',		next: 'right-single-arrow',		prevYear: 'left-double-arrow',		nextYear: 'right-double-arrow'	},		// jquery-ui theming	theme: false,	themeButtonIcons: {		prev: 'circle-triangle-w',		next: 'circle-triangle-e',		prevYear: 'seek-prev',		nextYear: 'seek-next'	},	dragOpacity: .75,	dragRevertDuration: 500,	dragScroll: true,		//selectable: false,	unselectAuto: true,		dropAccept: '*',	eventLimit: false,	eventLimitText: 'more',	eventLimitClick: 'popover',	dayPopoverFormat: 'LL',		handleWindowResize: true,	windowResizeDelay: 200 // milliseconds before a rerender happens	};function generateShortTimeFormat(options, langData) {	return langData.longDateFormat('LT')		.replace(':mm', '(:mm)')		.replace(/(\Wmm)$/, '($1)') // like above, but for foreign langs		.replace(/\s*a$/i, 't'); // convert to AM/PM/am/pm to lowercase one-letter. remove any spaces beforehand}function generateWeekColumnFormat(options, langData) {	var format = langData.longDateFormat('L'); // for the format like "MM/DD/YYYY"	format = format.replace(/^Y+[^\w\s]*|[^\w\s]*Y+$/g, ''); // strip the year off the edge, as well as other misc non-whitespace chars	if (options.isRTL) {		format += ' ddd'; // for RTL, add day-of-week to end	}	else {		format = 'ddd ' + format; // for LTR, add day-of-week to beginning	}	return format;}var langOptionHash = {	en: {		columnFormat: {			week: 'ddd M/D' // override for english. different from the generated default, which is MM/DD		},		dayPopoverFormat: 'dddd, MMMM D'	}};// right-to-left defaultsvar rtlDefaults = {	header: {		left: 'next,prev today',		center: '',		right: 'title'	},	buttonIcons: {		prev: 'right-single-arrow',		next: 'left-single-arrow',		prevYear: 'right-double-arrow',		nextYear: 'left-double-arrow'	},	themeButtonIcons: {		prev: 'circle-triangle-e',		next: 'circle-triangle-w',		nextYear: 'seek-prev',		prevYear: 'seek-next'	}};;;var fc = $.fullCalendar = { version: "2.1.1" };var fcViews = fc.views = {};$.fn.fullCalendar = function(options) {	var args = Array.prototype.slice.call(arguments, 1); // for a possible method call	var res = this; // what this function will return (this jQuery object by default)	this.each(function(i, _element) { // loop each DOM element involved		var element = $(_element);		var calendar = element.data('fullCalendar'); // get the existing calendar object (if any)		var singleRes; // the returned value of this single method call		// a method call		if (typeof options === 'string') {			if (calendar && $.isFunction(calendar[options])) {				singleRes = calendar[options].apply(calendar, args);				if (!i) {					res = singleRes; // record the first method call result				}				if (options === 'destroy') { // for the destroy method, must remove Calendar object data					element.removeData('fullCalendar');				}			}		}		// a new calendar initialization		else if (!calendar) { // don't initialize twice			calendar = new Calendar(element, options);			element.data('fullCalendar', calendar);			calendar.render();		}	});		return res;};// function for adding/overriding defaultsfunction setDefaults(d) {	mergeOptions(defaults, d);}// Recursively combines option hash-objects.// Better than `$.extend(true, ...)` because arrays are not traversed/copied.//// called like://     mergeOptions(target, obj1, obj2, ...)//function mergeOptions(target) {	function mergeIntoTarget(name, value) {		if ($.isPlainObject(value) && $.isPlainObject(target[name]) && !isForcedAtomicOption(name)) {			// merge into a new object to avoid destruction			target[name] = mergeOptions({}, target[name], value); // combine. `value` object takes precedence		}		else if (value !== undefined) { // only use values that are set and not undefined			target[name] = value;		}	}	for (var i=1; i<arguments.length; i++) {		$.each(arguments[i], mergeIntoTarget);	}	return target;}// overcome sucky view-option-hash and option-merging behavior messing with options it shouldn'tfunction isForcedAtomicOption(name) {	// Any option that ends in "Time" or "Duration" is probably a Duration,	// and these will commonly be specified as plain objects, which we don't want to mess up.	return /(Time|Duration)$/.test(name);}// FIX: find a different solution for view-option-hashes and have a whitelist// for options that can be recursively merged.;;//var langOptionHash = {}; // initialized in defaults.jsfc.langs = langOptionHash; // expose// Initialize jQuery UI Datepicker translations while using some of the translations// for our own purposes. Will set this as the default language for datepicker.// Called from a translation file.fc.datepickerLang = function(langCode, datepickerLangCode, options) {	var langOptions = langOptionHash[langCode];	// initialize FullCalendar's lang hash for this language	if (!langOptions) {		langOptions = langOptionHash[langCode] = {};	}	// merge certain Datepicker options into FullCalendar's options	mergeOptions(langOptions, {		isRTL: options.isRTL,		weekNumberTitle: options.weekHeader,		titleFormat: {			month: options.showMonthAfterYear ?				'YYYY[' + options.yearSuffix + '] MMMM' :				'MMMM YYYY[' + options.yearSuffix + ']'		},		defaultButtonText: {			// the translations sometimes wrongly contain HTML entities			prev: stripHtmlEntities(options.prevText),			next: stripHtmlEntities(options.nextText),			today: stripHtmlEntities(options.currentText)		}	});	// is jQuery UI Datepicker is on the page?	if ($.datepicker) {		// Register the language data.		// FullCalendar and MomentJS use language codes like "pt-br" but Datepicker		// does it like "pt-BR" or if it doesn't have the language, maybe just "pt".		// Make an alias so the language can be referenced either way.		$.datepicker.regional[datepickerLangCode] =			$.datepicker.regional[langCode] = // alias				options;		// Alias 'en' to the default language data. Do this every time.		$.datepicker.regional.en = $.datepicker.regional[''];		// Set as Datepicker's global defaults.		$.datepicker.setDefaults(options);	}};// Sets FullCalendar-specific translations. Also sets the language as the global default.// Called from a translation file.fc.lang = function(langCode, options) {	var langOptions;	if (options) {		langOptions = langOptionHash[langCode];		// initialize the hash for this language		if (!langOptions) {			langOptions = langOptionHash[langCode] = {};		}		mergeOptions(langOptions, options || {});	}	// set it as the default language for FullCalendar	defaults.lang = langCode;};;; function Calendar(element, instanceOptions) {	var t = this;	// Build options object	// -----------------------------------------------------------------------------------	// Precedence (lowest to highest): defaults, rtlDefaults, langOptions, instanceOptions	instanceOptions = instanceOptions || {};	var options = mergeOptions({}, defaults, instanceOptions);	var langOptions;	// determine language options	if (options.lang in langOptionHash) {		langOptions = langOptionHash[options.lang];	}	else {		langOptions = langOptionHash[defaults.lang];	}	if (langOptions) { // if language options exist, rebuild...		options = mergeOptions({}, defaults, langOptions, instanceOptions);	}	if (options.isRTL) { // is isRTL, rebuild...		options = mergeOptions({}, defaults, rtlDefaults, langOptions || {}, instanceOptions);	}		// Exports	// -----------------------------------------------------------------------------------	t.options = options;	t.render = render;	t.destroy = destroy;	t.refetchEvents = refetchEvents;	t.reportEvents = reportEvents;	t.reportEventChange = reportEventChange;	t.rerenderEvents = renderEvents; // `renderEvents` serves as a rerender. an API method	t.changeView = changeView;	t.select = select;	t.unselect = unselect;	t.prev = prev;	t.next = next;	t.prevYear = prevYear;	t.nextYear = nextYear;	t.today = today;	t.gotoDate = gotoDate;	t.incrementDate = incrementDate;	t.zoomTo = zoomTo;	t.getDate = getDate;	t.getCalendar = getCalendar;	t.getView = getView;	t.option = option;	t.trigger = trigger;	// Language-data Internals	// -----------------------------------------------------------------------------------	// Apply overrides to the current language's data	// Returns moment's internal locale data. If doesn't exist, returns English.	// Works with moment-pre-2.8	function getLocaleData(langCode) {		var f = moment.localeData || moment.langData;		return f.call(moment, langCode) ||			f.call(moment, 'en'); // the newer localData could return null, so fall back to en	}	var localeData = createObject(getLocaleData(options.lang)); // make a cheap copy	if (options.monthNames) {		localeData._months = options.monthNames;	}	if (options.monthNamesShort) {		localeData._monthsShort = options.monthNamesShort;	}	if (options.dayNames) {		localeData._weekdays = options.dayNames;	}	if (options.dayNamesShort) {		localeData._weekdaysShort = options.dayNamesShort;	}	if (options.firstDay != null) {		var _week = createObject(localeData._week); // _week: { dow: # }		_week.dow = options.firstDay;		localeData._week = _week;	}	// Calendar-specific Date Utilities	// -----------------------------------------------------------------------------------	t.defaultAllDayEventDuration = moment.duration(options.defaultAllDayEventDuration);	t.defaultTimedEventDuration = moment.duration(options.defaultTimedEventDuration);	// Builds a moment using the settings of the current calendar: timezone and language.	// Accepts anything the vanilla moment() constructor accepts.	t.moment = function() {		var mom;		if (options.timezone === 'local') {			mom = fc.moment.apply(null, arguments);			// Force the moment to be local, because fc.moment doesn't guarantee it.			if (mom.hasTime()) { // don't give ambiguously-timed moments a local zone				mom.local();			}		}		else if (options.timezone === 'UTC') {			mom = fc.moment.utc.apply(null, arguments); // process as UTC		}		else {			mom = fc.moment.parseZone.apply(null, arguments); // let the input decide the zone		}		if ('_locale' in mom) { // moment 2.8 and above			mom._locale = localeData;		}		else { // pre-moment-2.8			mom._lang = localeData;		}		return mom;	};	// Returns a boolean about whether or not the calendar knows how to calculate	// the timezone offset of arbitrary dates in the current timezone.	t.getIsAmbigTimezone = function() {		return options.timezone !== 'local' && options.timezone !== 'UTC';	};	// Returns a copy of the given date in the current timezone of it is ambiguously zoned.	// This will also give the date an unambiguous time.	t.rezoneDate = function(date) {		return t.moment(date.toArray());	};	// Returns a moment for the current date, as defined by the client's computer,	// or overridden by the `now` option.	t.getNow = function() {		var now = options.now;		if (typeof now === 'function') {			now = now();		}		return t.moment(now);	};	// Calculates the week number for a moment according to the calendar's	// `weekNumberCalculation` setting.	t.calculateWeekNumber = function(mom) {		var calc = options.weekNumberCalculation;		if (typeof calc === 'function') {			return calc(mom);		}		else if (calc === 'local') {			return mom.week();		}		else if (calc.toUpperCase() === 'ISO') {			return mom.isoWeek();		}	};	// Get an event's normalized end date. If not present, calculate it from the defaults.	t.getEventEnd = function(event) {		if (event.end) {			return event.end.clone();		}		else {			return t.getDefaultEventEnd(event.allDay, event.start);		}	};	// Given an event's allDay status and start date, return swhat its fallback end date should be.	t.getDefaultEventEnd = function(allDay, start) { // TODO: rename to computeDefaultEventEnd		var end = start.clone();		if (allDay) {			end.stripTime().add(t.defaultAllDayEventDuration);		}		else {			end.add(t.defaultTimedEventDuration);		}		if (t.getIsAmbigTimezone()) {			end.stripZone(); // we don't know what the tzo should be		}		return end;	};	// Date-formatting Utilities	// -----------------------------------------------------------------------------------	// Like the vanilla formatRange, but with calendar-specific settings applied.	t.formatRange = function(m1, m2, formatStr) {		// a function that returns a formatStr // TODO: in future, precompute this		if (typeof formatStr === 'function') {			formatStr = formatStr.call(t, options, localeData);		}		return formatRange(m1, m2, formatStr, null, options.isRTL);	};	// Like the vanilla formatDate, but with calendar-specific settings applied.	t.formatDate = function(mom, formatStr) {		// a function that returns a formatStr // TODO: in future, precompute this		if (typeof formatStr === 'function') {			formatStr = formatStr.call(t, options, localeData);		}		return formatDate(mom, formatStr);	};		// Imports	// -----------------------------------------------------------------------------------	EventManager.call(t, options);	var isFetchNeeded = t.isFetchNeeded;	var fetchEvents = t.fetchEvents;	// Locals	// -----------------------------------------------------------------------------------	var _element = element[0];	var header;	var headerElement;	var content;	var tm; // for making theme classes	var currentView;	var suggestedViewHeight;	var windowResizeProxy; // wraps the windowResize function	var ignoreWindowResize = 0;	var date;	var events = [];				// Main Rendering	// -----------------------------------------------------------------------------------	if (options.defaultDate != null) {		date = t.moment(options.defaultDate);	}	else {		date = t.getNow();	}			function render(inc) {		if (!content) {			initialRender();		}		else if (elementVisible()) {			// mainly for the public API			calcSize();			renderView(inc);		}	}			function initialRender() {		tm = options.theme ? 'ui' : 'fc';		element.addClass('fc');		if (options.isRTL) {			element.addClass('fc-rtl');		}		else {			element.addClass('fc-ltr');		}		if (options.theme) {			element.addClass('ui-widget');		}		else {			element.addClass('fc-unthemed');		}		content = $("<div class='fc-view-container'/>").prependTo(element);		header = new Header(t, options);		headerElement = header.render();		if (headerElement) {			element.prepend(headerElement);		}		changeView(options.defaultView);		if (options.handleWindowResize) {			windowResizeProxy = debounce(windowResize, options.windowResizeDelay); // prevents rapid calls			$(window).resize(windowResizeProxy);		}	}			function destroy() {		if (currentView) {			currentView.destroy();		}		header.destroy();		content.remove();		element.removeClass('fc fc-ltr fc-rtl fc-unthemed ui-widget');		$(window).unbind('resize', windowResizeProxy);	}			function elementVisible() {		return element.is(':visible');	}			// View Rendering	// -----------------------------------------------------------------------------------	function changeView(viewName) {		renderView(0, viewName);	}	// Renders a view because of a date change, view-type change, or for the first time	function renderView(delta, viewName) {		ignoreWindowResize++;		// if viewName is changing, destroy the old view		if (currentView && viewName && currentView.name !== viewName) {			header.deactivateButton(currentView.name);			freezeContentHeight(); // prevent a scroll jump when view element is removed			if (currentView.start) { // rendered before?				currentView.destroy();			}			currentView.el.remove();			currentView = null;		}		// if viewName changed, or the view was never created, create a fresh view		if (!currentView && viewName) {			currentView = new fcViews[viewName](t);			currentView.el =  $("<div class='fc-view fc-" + viewName + "-view' />").appendTo(content);			header.activateButton(viewName);		}		if (currentView) {			// let the view determine what the delta means			if (delta) {				date = currentView.incrementDate(date, delta);            }			// render or rerender the view			if (				!currentView.start || // never rendered before				delta || // explicit date window change				!date.isWithin(currentView.intervalStart, currentView.intervalEnd) // implicit date window change			) {				if (elementVisible()) {					freezeContentHeight();					if (currentView.start) { // rendered before?						currentView.destroy();					}					currentView.render(date);					unfreezeContentHeight();					// need to do this after View::render, so dates are calculated					updateTitle();					updateTodayButton();					getAndRenderEvents();				}			}		}		unfreezeContentHeight(); // undo any lone freezeContentHeight calls		ignoreWindowResize--;	}			// Resizing	// -----------------------------------------------------------------------------------	t.getSuggestedViewHeight = function() {		if (suggestedViewHeight === undefined) {			calcSize();		}		return suggestedViewHeight;	};	t.isHeightAuto = function() {		return options.contentHeight === 'auto' || options.height === 'auto';	};			function updateSize(shouldRecalc) {		if (elementVisible()) {			if (shouldRecalc) {				_calcSize();			}			ignoreWindowResize++;			currentView.updateSize(true); // isResize=true. will poll getSuggestedViewHeight() and isHeightAuto()			ignoreWindowResize--;			return true; // signal success		}	}	function calcSize() {		if (elementVisible()) {			_calcSize();		}	}			function _calcSize() { // assumes elementVisible		if (typeof options.contentHeight === 'number') { // exists and not 'auto'			suggestedViewHeight = options.contentHeight;		}		else if (typeof options.height === 'number') { // exists and not 'auto'			suggestedViewHeight = options.height - (headerElement ? headerElement.outerHeight(true) : 0);		}		else {			suggestedViewHeight = Math.round(content.width() / Math.max(options.aspectRatio, .5));		}	}			function windowResize(ev) {		if (			!ignoreWindowResize &&			ev.target === window && // so we don't process jqui "resize" events that have bubbled up			currentView.start // view has already been rendered		) {			if (updateSize(true)) {				currentView.trigger('windowResize', _element);			}		}	}				/* Event Fetching/Rendering	-----------------------------------------------------------------------------*/	// TODO: going forward, most of this stuff should be directly handled by the view	function refetchEvents() { // can be called as an API method		destroyEvents(); // so that events are cleared before user starts waiting for AJAX		fetchAndRenderEvents();	}	function renderEvents() { // destroys old events if previously rendered		if (elementVisible()) {			freezeContentHeight();			currentView.destroyEvents(); // no performance cost if never rendered			currentView.renderEvents(events);			unfreezeContentHeight();		}	}	function destroyEvents() {		freezeContentHeight();		currentView.destroyEvents();		unfreezeContentHeight();	}		function getAndRenderEvents() {		if (!options.lazyFetching || isFetchNeeded(currentView.start, currentView.end)) {			fetchAndRenderEvents();		}		else {			renderEvents();		}	}	function fetchAndRenderEvents() {		fetchEvents(currentView.start, currentView.end);			// ... will call reportEvents			// ... which will call renderEvents	}		// called when event data arrives	function reportEvents(_events) {		events = _events;		renderEvents();	}	// called when a single event's data has been changed	function reportEventChange() {		renderEvents();	}	/* Header Updating	-----------------------------------------------------------------------------*/	function updateTitle() {		header.updateTitle(currentView.title);	}	function updateTodayButton() {		var now = t.getNow();		if (now.isWithin(currentView.intervalStart, currentView.intervalEnd)) {			header.disableButton('today');		}		else {			header.enableButton('today');		}	}		/* Selection	-----------------------------------------------------------------------------*/		function select(start, end) {		start = t.moment(start);		if (end) {			end = t.moment(end);		}		else if (start.hasTime()) {			end = start.clone().add(t.defaultTimedEventDuration);		}		else {			end = start.clone().add(t.defaultAllDayEventDuration);		}		currentView.select(start, end);	}		function unselect() { // safe to be called before renderView		if (currentView) {			currentView.unselect();		}	}				/* Date	-----------------------------------------------------------------------------*/			function prev() {		renderView(-1);	}			function next() {		renderView(1);	}			function prevYear() {		date.add(-1, 'years');		renderView();	}			function nextYear() {		date.add(1, 'years');		renderView();	}			function today() {		date = t.getNow();		renderView();	}			function gotoDate(dateInput) {		date = t.moment(dateInput);		renderView();	}			function incrementDate(delta) {		date.add(moment.duration(delta));		renderView();	}	// Forces navigation to a view for the given date.	// `viewName` can be a specific view name or a generic one like "week" or "day".	function zoomTo(newDate, viewName) {		var viewStr;		var match;		if (!viewName || fcViews[viewName] === undefined) { // a general view name, or "auto"			viewName = viewName || 'day';			viewStr = header.getViewsWithButtons().join(' '); // space-separated string of all the views in the header			// try to match a general view name, like "week", against a specific one, like "agendaWeek"			match = viewStr.match(new RegExp('\\w+' + capitaliseFirstLetter(viewName)));			// fall back to the day view being used in the header			if (!match) {				match = viewStr.match(/\w+Day/);			}			viewName = match ? match[0] : 'agendaDay'; // fall back to agendaDay		}		date = newDate;		changeView(viewName);	}			function getDate() {		return date.clone();	}	/* Height "Freezing"	-----------------------------------------------------------------------------*/	function freezeContentHeight() {		content.css({			width: '100%',			height: content.height(),			overflow: 'hidden'		});	}	function unfreezeContentHeight() {		content.css({			width: '',			height: '',			overflow: ''		});	}				/* Misc	-----------------------------------------------------------------------------*/		function getCalendar() {		return t;	}		function getView() {		return currentView;	}			function option(name, value) {		if (value === undefined) {			return options[name];		}		if (name == 'height' || name == 'contentHeight' || name == 'aspectRatio') {			options[name] = value;			updateSize(true); // true = allow recalculation of height		}	}			function trigger(name, thisObj) {		if (options[name]) {			return options[name].apply(				thisObj || _element,				Array.prototype.slice.call(arguments, 2)			);		}	}};;/* Top toolbar area with buttons and title----------------------------------------------------------------------------------------------------------------------*/// TODO: rename all header-related things to "toolbar"function Header(calendar, options) {	var t = this;		// exports	t.render = render;	t.destroy = destroy;	t.updateTitle = updateTitle;	t.activateButton = activateButton;	t.deactivateButton = deactivateButton;	t.disableButton = disableButton;	t.enableButton = enableButton;	t.getViewsWithButtons = getViewsWithButtons;		// locals	var el = $();	var viewsWithButtons = [];	var tm;	function render() {		var sections = options.header;		tm = options.theme ? 'ui' : 'fc';		if (sections) {			el = $("<div class='fc-toolbar'/>")				.append(renderSection('left'))				.append(renderSection('right'))				.append(renderSection('center'))				.append('<div class="fc-clear"/>');			return el;		}	}			function destroy() {		el.remove();	}			function renderSection(position) {		var sectionEl = $('<div class="fc-' + position + '"/>');		var buttonStr = options.header[position];		if (buttonStr) {			$.each(buttonStr.split(' '), function(i) {				var groupChildren = $();				var isOnlyButtons = true;				var groupEl;				$.each(this.split(','), function(j, buttonName) {					var buttonClick;					var themeIcon;					var normalIcon;					var defaultText;					var customText;					var innerHtml;					var classes;					var button;					if (buttonName == 'title') {						groupChildren = groupChildren.add($('<h2> </h2>')); // we always want it to take up height						isOnlyButtons = false;					}					else {						if (calendar[buttonName]) { // a calendar method							buttonClick = function() {								calendar[buttonName]();							};						}						else if (fcViews[buttonName]) { // a view name							buttonClick = function() {								calendar.changeView(buttonName);							};							viewsWithButtons.push(buttonName);						}						if (buttonClick) {							// smartProperty allows different text per view button (ex: "Agenda Week" vs "Basic Week")							themeIcon = smartProperty(options.themeButtonIcons, buttonName);							normalIcon = smartProperty(options.buttonIcons, buttonName);							defaultText = smartProperty(options.defaultButtonText, buttonName);							customText = smartProperty(options.buttonText, buttonName);							if (customText) {								innerHtml = htmlEscape(customText);							}							else if (themeIcon && options.theme) {								innerHtml = "<span class='ui-icon ui-icon-" + themeIcon + "'></span>";							}							else if (normalIcon && !options.theme) {								innerHtml = "<span class='fc-icon fc-icon-" + normalIcon + "'></span>";							}							else {								innerHtml = htmlEscape(defaultText || buttonName);							}							classes = [								'fc-' + buttonName + '-button',								tm + '-button',								tm + '-state-default'							];							button = $( // type="button" so that it doesn't submit a form								'<button type="button" class="' + classes.join(' ') + '">' +									innerHtml +								'</button>'								)								.click(function() {									// don't process clicks for disabled buttons									if (!button.hasClass(tm + '-state-disabled')) {										buttonClick();										// after the click action, if the button becomes the "active" tab, or disabled,										// it should never have a hover class, so remove it now.										if (											button.hasClass(tm + '-state-active') ||											button.hasClass(tm + '-state-disabled')										) {											button.removeClass(tm + '-state-hover');										}									}								})								.mousedown(function() {									// the *down* effect (mouse pressed in).									// only on buttons that are not the "active" tab, or disabled									button										.not('.' + tm + '-state-active')										.not('.' + tm + '-state-disabled')										.addClass(tm + '-state-down');								})								.mouseup(function() {									// undo the *down* effect									button.removeClass(tm + '-state-down');								})								.hover(									function() {										// the *hover* effect.										// only on buttons that are not the "active" tab, or disabled										button											.not('.' + tm + '-state-active')											.not('.' + tm + '-state-disabled')											.addClass(tm + '-state-hover');									},									function() {										// undo the *hover* effect										button											.removeClass(tm + '-state-hover')											.removeClass(tm + '-state-down'); // if mouseleave happens before mouseup									}								);							groupChildren = groupChildren.add(button);						}					}				});				if (isOnlyButtons) {					groupChildren						.first().addClass(tm + '-corner-left').end()						.last().addClass(tm + '-corner-right').end();				}				if (groupChildren.length > 1) {					groupEl = $('<div/>');					if (isOnlyButtons) {						groupEl.addClass('fc-button-group');					}					groupEl.append(groupChildren);					sectionEl.append(groupEl);				}				else {					sectionEl.append(groupChildren); // 1 or 0 children				}			});		}		return sectionEl;	}			function updateTitle(text) {		el.find('h2').text(text);	}			function activateButton(buttonName) {		el.find('.fc-' + buttonName + '-button')			.addClass(tm + '-state-active');	}			function deactivateButton(buttonName) {		el.find('.fc-' + buttonName + '-button')			.removeClass(tm + '-state-active');	}			function disableButton(buttonName) {		el.find('.fc-' + buttonName + '-button')			.attr('disabled', 'disabled')			.addClass(tm + '-state-disabled');	}			function enableButton(buttonName) {		el.find('.fc-' + buttonName + '-button')			.removeAttr('disabled')			.removeClass(tm + '-state-disabled');	}	function getViewsWithButtons() {		return viewsWithButtons;	}};;fc.sourceNormalizers = [];fc.sourceFetchers = [];var ajaxDefaults = {	dataType: 'json',	cache: false};var eventGUID = 1;function EventManager(options) { // assumed to be a calendar	var t = this;			// exports	t.isFetchNeeded = isFetchNeeded;	t.fetchEvents = fetchEvents;	t.addEventSource = addEventSource;	t.removeEventSource = removeEventSource;	t.updateEvent = updateEvent;	t.renderEvent = renderEvent;	t.removeEvents = removeEvents;	t.clientEvents = clientEvents;	t.mutateEvent = mutateEvent;			// imports	var trigger = t.trigger;	var getView = t.getView;	var reportEvents = t.reportEvents;	var getEventEnd = t.getEventEnd;			// locals	var stickySource = { events: [] };	var sources = [ stickySource ];	var rangeStart, rangeEnd;	var currentFetchID = 0;	var pendingSourceCnt = 0;	var loadingLevel = 0;	var cache = [];	$.each(		(options.events ? [ options.events ] : []).concat(options.eventSources || []),		function(i, sourceInput) {			var source = buildEventSource(sourceInput);			if (source) {				sources.push(source);			}		}	);				/* Fetching	-----------------------------------------------------------------------------*/			function isFetchNeeded(start, end) {		return !rangeStart || // nothing has been fetched yet?			// or, a part of the new range is outside of the old range? (after normalizing)			start.clone().stripZone() < rangeStart.clone().stripZone() ||			end.clone().stripZone() > rangeEnd.clone().stripZone();	}			function fetchEvents(start, end) {		rangeStart = start;		rangeEnd = end;		cache = [];		var fetchID = ++currentFetchID;		var len = sources.length;		pendingSourceCnt = len;		for (var i=0; i<len; i++) {			fetchEventSource(sources[i], fetchID);		}	}			function fetchEventSource(source, fetchID) {		_fetchEventSource(source, function(events) {			var isArraySource = $.isArray(source.events);			var i;			var event;			if (fetchID == currentFetchID) {				if (events) {					for (i=0; i<events.length; i++) {						event = events[i];						// event array sources have already been convert to Event Objects						if (!isArraySource) {							event = buildEvent(event, source);						}						if (event) {							cache.push(event);						}					}				}				pendingSourceCnt--;				if (!pendingSourceCnt) {					reportEvents(cache);				}			}		});	}			function _fetchEventSource(source, callback) {		var i;		var fetchers = fc.sourceFetchers;		var res;		for (i=0; i<fetchers.length; i++) {			res = fetchers[i].call(				t, // this, the Calendar object				source,				rangeStart.clone(),				rangeEnd.clone(),				options.timezone,				callback			);			if (res === true) {				// the fetcher is in charge. made its own async request				return;			}			else if (typeof res == 'object') {				// the fetcher returned a new source. process it				_fetchEventSource(res, callback);				return;			}		}		var events = source.events;		if (events) {			if ($.isFunction(events)) {				pushLoading();				events.call(					t, // this, the Calendar object					rangeStart.clone(),					rangeEnd.clone(),					options.timezone,					function(events) {						callback(events);						popLoading();					}				);			}			else if ($.isArray(events)) {				callback(events);			}			else {				callback();			}		}else{			var url = source.url;			if (url) {				var success = source.success;				var error = source.error;				var complete = source.complete;				// retrieve any outbound GET/POST $.ajax data from the options				var customData;				if ($.isFunction(source.data)) {					// supplied as a function that returns a key/value object					customData = source.data();				}				else {					// supplied as a straight key/value object					customData = source.data;				}				// use a copy of the custom data so we can modify the parameters				// and not affect the passed-in object.				var data = $.extend({}, customData || {});				var startParam = firstDefined(source.startParam, options.startParam);				var endParam = firstDefined(source.endParam, options.endParam);				var timezoneParam = firstDefined(source.timezoneParam, options.timezoneParam);				if (startParam) {					data[startParam] = rangeStart.format();				}				if (endParam) {					data[endParam] = rangeEnd.format();				}				if (options.timezone && options.timezone != 'local') {					data[timezoneParam] = options.timezone;				}				pushLoading();				$.ajax($.extend({}, ajaxDefaults, source, {					data: data,					success: function(events) {						events = events || [];						var res = applyAll(success, this, arguments);						if ($.isArray(res)) {							events = res;						}						callback(events);					},					error: function() {						applyAll(error, this, arguments);						callback();					},					complete: function() {						applyAll(complete, this, arguments);						popLoading();					}				}));			}else{				callback();			}		}	}				/* Sources	-----------------------------------------------------------------------------*/		function addEventSource(sourceInput) {		var source = buildEventSource(sourceInput);		if (source) {			sources.push(source);			pendingSourceCnt++;			fetchEventSource(source, currentFetchID); // will eventually call reportEvents		}	}	function buildEventSource(sourceInput) { // will return undefined if invalid source		var normalizers = fc.sourceNormalizers;		var source;		var i;		if ($.isFunction(sourceInput) || $.isArray(sourceInput)) {			source = { events: sourceInput };		}		else if (typeof sourceInput === 'string') {			source = { url: sourceInput };		}		else if (typeof sourceInput === 'object') {			source = $.extend({}, sourceInput); // shallow copy		}		if (source) {			// TODO: repeat code, same code for event classNames			if (source.className) {				if (typeof source.className === 'string') {					source.className = source.className.split(/\s+/);				}				// otherwise, assumed to be an array			}			else {				source.className = [];			}			// for array sources, we convert to standard Event Objects up front			if ($.isArray(source.events)) {				source.origArray = source.events; // for removeEventSource				source.events = $.map(source.events, function(eventInput) {					return buildEvent(eventInput, source);				});			}			for (i=0; i<normalizers.length; i++) {				normalizers[i].call(t, source);			}			return source;		}	}	function removeEventSource(source) {		sources = $.grep(sources, function(src) {			return !isSourcesEqual(src, source);		});		// remove all client events from that source		cache = $.grep(cache, function(e) {			return !isSourcesEqual(e.source, source);		});		reportEvents(cache);	}	function isSourcesEqual(source1, source2) {		return source1 && source2 && getSourcePrimitive(source1) == getSourcePrimitive(source2);	}	function getSourcePrimitive(source) {		return (			(typeof source === 'object') ? // a normalized event source?				(source.origArray || source.url || source.events) : // get the primitive				null		) ||		source; // the given argument *is* the primitive	}				/* Manipulation	-----------------------------------------------------------------------------*/	function updateEvent(event) {		event.start = t.moment(event.start);		if (event.end) {			event.end = t.moment(event.end);		}		mutateEvent(event);		propagateMiscProperties(event);		reportEvents(cache); // reports event modifications (so we can redraw)	}	var miscCopyableProps = [		'title',		'url',		'allDay',		'className',		'editable',		'color',		'backgroundColor',		'borderColor',		'textColor'	];	function propagateMiscProperties(event) {		var i;		var cachedEvent;		var j;		var prop;		for (i=0; i<cache.length; i++) {			cachedEvent = cache[i];			if (cachedEvent._id == event._id && cachedEvent !== event) {				for (j=0; j<miscCopyableProps.length; j++) {					prop = miscCopyableProps[j];					if (event[prop] !== undefined) {						cachedEvent[prop] = event[prop];					}				}			}		}	}			function renderEvent(eventData, stick) {		var event = buildEvent(eventData);		if (event) {			if (!event.source) {				if (stick) {					stickySource.events.push(event);					event.source = stickySource;				}				cache.push(event);			}			reportEvents(cache);		}	}			function removeEvents(filter) {		var eventID;		var i;		if (filter == null) { // null or undefined. remove all events			filter = function() { return true; }; // will always match		}		else if (!$.isFunction(filter)) { // an event ID			eventID = filter + '';			filter = function(event) {				return event._id == eventID;			};		}		// Purge event(s) from our local cache		cache = $.grep(cache, filter, true); // inverse=true		// Remove events from array sources.		// This works because they have been converted to official Event Objects up front.		// (and as a result, event._id has been calculated).		for (i=0; i<sources.length; i++) {			if ($.isArray(sources[i].events)) {				sources[i].events = $.grep(sources[i].events, filter, true);			}		}		reportEvents(cache);	}			function clientEvents(filter) {		if ($.isFunction(filter)) {			return $.grep(cache, filter);		}		else if (filter != null) { // not null, not undefined. an event ID			filter += '';			return $.grep(cache, function(e) {				return e._id == filter;			});		}		return cache; // else, return all	}				/* Loading State	-----------------------------------------------------------------------------*/			function pushLoading() {		if (!(loadingLevel++)) {			trigger('loading', null, true, getView());		}	}			function popLoading() {		if (!(--loadingLevel)) {			trigger('loading', null, false, getView());		}	}				/* Event Normalization	-----------------------------------------------------------------------------*/	function buildEvent(data, source) { // source may be undefined!		var out = {};		var start;		var end;		var allDay;		var allDayDefault;		if (options.eventDataTransform) {			data = options.eventDataTransform(data);		}		if (source && source.eventDataTransform) {			data = source.eventDataTransform(data);		}		start = t.moment(data.start || data.date); // "date" is an alias for "start"		if (!start.isValid()) {			return;		}		end = null;		if (data.end) {			end = t.moment(data.end);			if (!end.isValid()) {				return;			}		}		allDay = data.allDay;		if (allDay === undefined) {			allDayDefault = firstDefined(				source ? source.allDayDefault : undefined,				options.allDayDefault			);			if (allDayDefault !== undefined) {				// use the default				allDay = allDayDefault;			}			else {				// all dates need to have ambig time for the event to be considered allDay				allDay = !start.hasTime() && (!end || !end.hasTime());			}		}		// normalize the date based on allDay		if (allDay) {			// neither date should have a time			if (start.hasTime()) {				start.stripTime();			}			if (end && end.hasTime()) {				end.stripTime();			}		}		else {			// force a time/zone up the dates			if (!start.hasTime()) {				start = t.rezoneDate(start);			}			if (end && !end.hasTime()) {				end = t.rezoneDate(end);			}		}		// Copy all properties over to the resulting object.		// The special-case properties will be copied over afterwards.		$.extend(out, data);		if (source) {			out.source = source;		}		out._id = data._id || (data.id === undefined ? '_fc' + eventGUID++ : data.id + '');		if (data.className) {			if (typeof data.className == 'string') {				out.className = data.className.split(/\s+/);			}			else { // assumed to be an array				out.className = data.className;			}		}		else {			out.className = [];		}		out.allDay = allDay;		out.start = start;		out.end = end;		if (options.forceEventDuration && !out.end) {			out.end = getEventEnd(out);		}		backupEventDates(out);		return out;	}	/* Event Modification Math	-----------------------------------------------------------------------------------------*/	// Modify the date(s) of an event and make this change propagate to all other events with	// the same ID (related repeating events).	//	// If `newStart`/`newEnd` are not specified, the "new" dates are assumed to be `event.start` and `event.end`.	// The "old" dates to be compare against are always `event._start` and `event._end` (set by EventManager).	//	// Returns an object with delta information and a function to undo all operations.	//	function mutateEvent(event, newStart, newEnd) {		var oldAllDay = event._allDay;		var oldStart = event._start;		var oldEnd = event._end;		var clearEnd = false;		var newAllDay;		var dateDelta;		var durationDelta;		var undoFunc;		// if no new dates were passed in, compare against the event's existing dates		if (!newStart && !newEnd) {			newStart = event.start;			newEnd = event.end;		}		// NOTE: throughout this function, the initial values of `newStart` and `newEnd` are		// preserved. These values may be undefined.		// detect new allDay		if (event.allDay != oldAllDay) { // if value has changed, use it			newAllDay = event.allDay;		}		else { // otherwise, see if any of the new dates are allDay			newAllDay = !(newStart || newEnd).hasTime();		}		// normalize the new dates based on allDay		if (newAllDay) {			if (newStart) {				newStart = newStart.clone().stripTime();			}			if (newEnd) {				newEnd = newEnd.clone().stripTime();			}		}		// compute dateDelta		if (newStart) {			if (newAllDay) {				dateDelta = dayishDiff(newStart, oldStart.clone().stripTime()); // treat oldStart as allDay			}			else {				dateDelta = dayishDiff(newStart, oldStart);			}		}		if (newAllDay != oldAllDay) {			// if allDay has changed, always throw away the end			clearEnd = true;		}		else if (newEnd) {			durationDelta = dayishDiff(				// new duration				newEnd || t.getDefaultEventEnd(newAllDay, newStart || oldStart),				newStart || oldStart			).subtract(dayishDiff(				// subtract old duration				oldEnd || t.getDefaultEventEnd(oldAllDay, oldStart),				oldStart			));		}		undoFunc = mutateEvents(			clientEvents(event._id), // get events with this ID			clearEnd,			newAllDay,			dateDelta,			durationDelta		);		return {			dateDelta: dateDelta,			durationDelta: durationDelta,			undo: undoFunc		};	}	// Modifies an array of events in the following ways (operations are in order):	// - clear the event's `end`	// - convert the event to allDay	// - add `dateDelta` to the start and end	// - add `durationDelta` to the event's duration	//	// Returns a function that can be called to undo all the operations.	//	function mutateEvents(events, clearEnd, forceAllDay, dateDelta, durationDelta) {		var isAmbigTimezone = t.getIsAmbigTimezone();		var undoFunctions = [];		$.each(events, function(i, event) {			var oldAllDay = event._allDay;			var oldStart = event._start;			var oldEnd = event._end;			var newAllDay = forceAllDay != null ? forceAllDay : oldAllDay;			var newStart = oldStart.clone();			var newEnd = (!clearEnd && oldEnd) ? oldEnd.clone() : null;			// NOTE: this function is responsible for transforming `newStart` and `newEnd`,			// which were initialized to the OLD values first. `newEnd` may be null.			// normlize newStart/newEnd to be consistent with newAllDay			if (newAllDay) {				newStart.stripTime();				if (newEnd) {					newEnd.stripTime();				}			}			else {				if (!newStart.hasTime()) {					newStart = t.rezoneDate(newStart);				}				if (newEnd && !newEnd.hasTime()) {					newEnd = t.rezoneDate(newEnd);				}			}			// ensure we have an end date if necessary			if (!newEnd && (options.forceEventDuration || +durationDelta)) {				newEnd = t.getDefaultEventEnd(newAllDay, newStart);			}			// translate the dates			newStart.add(dateDelta);			if (newEnd) {				newEnd.add(dateDelta).add(durationDelta);			}			// if the dates have changed, and we know it is impossible to recompute the			// timezone offsets, strip the zone.			if (isAmbigTimezone) {				if (+dateDelta || +durationDelta) {					newStart.stripZone();					if (newEnd) {						newEnd.stripZone();					}				}			}			event.allDay = newAllDay;			event.start = newStart;			event.end = newEnd;			backupEventDates(event);			undoFunctions.push(function() {				event.allDay = oldAllDay;				event.start = oldStart;				event.end = oldEnd;				backupEventDates(event);			});		});		return function() {			for (var i=0; i<undoFunctions.length; i++) {				undoFunctions[i]();			}		};	}}// updates the "backup" properties, which are preserved in order to compute diffs later on.function backupEventDates(event) {	event._allDay = event.allDay;	event._start = event.start.clone();	event._end = event.end ? event.end.clone() : null;};;/* FullCalendar-specific DOM Utilities----------------------------------------------------------------------------------------------------------------------*/// Given the scrollbar widths of some other container, create borders/margins on rowEls in order to match the left// and right space that was offset by the scrollbars. A 1-pixel border first, then margin beyond that.function compensateScroll(rowEls, scrollbarWidths) {	if (scrollbarWidths.left) {		rowEls.css({			'border-left-width': 1,			'margin-left': scrollbarWidths.left - 1		});	}	if (scrollbarWidths.right) {		rowEls.css({			'border-right-width': 1,			'margin-right': scrollbarWidths.right - 1		});	}}// Undoes compensateScroll and restores all borders/marginsfunction uncompensateScroll(rowEls) {	rowEls.css({		'margin-left': '',		'margin-right': '',		'border-left-width': '',		'border-right-width': ''	});}// Given a total available height to fill, have `els` (essentially child rows) expand to accomodate.// By default, all elements that are shorter than the recommended height are expanded uniformly, not considering// any other els that are already too tall. if `shouldRedistribute` is on, it considers these tall rows and // reduces the available height.function distributeHeight(els, availableHeight, shouldRedistribute) {	// *FLOORING NOTE*: we floor in certain places because zoom can give inaccurate floating-point dimensions,	// and it is better to be shorter than taller, to avoid creating unnecessary scrollbars.	var minOffset1 = Math.floor(availableHeight / els.length); // for non-last element	var minOffset2 = Math.floor(availableHeight - minOffset1 * (els.length - 1)); // for last element *FLOORING NOTE*	var flexEls = []; // elements that are allowed to expand. array of DOM nodes	var flexOffsets = []; // amount of vertical space it takes up	var flexHeights = []; // actual css height	var usedHeight = 0;	undistributeHeight(els); // give all elements their natural height	// find elements that are below the recommended height (expandable).	// important to query for heights in a single first pass (to avoid reflow oscillation).	els.each(function(i, el) {		var minOffset = i === els.length - 1 ? minOffset2 : minOffset1;		var naturalOffset = $(el).outerHeight(true);		if (naturalOffset < minOffset) {			flexEls.push(el);			flexOffsets.push(naturalOffset);			flexHeights.push($(el).height());		}		else {			// this element stretches past recommended height (non-expandable). mark the space as occupied.			usedHeight += naturalOffset;		}	});	// readjust the recommended height to only consider the height available to non-maxed-out rows.	if (shouldRedistribute) {		availableHeight -= usedHeight;		minOffset1 = Math.floor(availableHeight / flexEls.length);		minOffset2 = Math.floor(availableHeight - minOffset1 * (flexEls.length - 1)); // *FLOORING NOTE*	}	// assign heights to all expandable elements	$(flexEls).each(function(i, el) {		var minOffset = i === flexEls.length - 1 ? minOffset2 : minOffset1;		var naturalOffset = flexOffsets[i];		var naturalHeight = flexHeights[i];		var newHeight = minOffset - (naturalOffset - naturalHeight); // subtract the margin/padding		if (naturalOffset < minOffset) { // we check this again because redistribution might have changed things			$(el).height(newHeight);		}	});}// Undoes distrubuteHeight, restoring all els to their natural heightfunction undistributeHeight(els) {	els.height('');}// Given `els`, a jQuery set of <td> cells, find the cell with the largest natural width and set the widths of all the// cells to be that width.// PREREQUISITE: if you want a cell to take up width, it needs to have a single inner element w/ display:inlinefunction matchCellWidths(els) {	var maxInnerWidth = 0;	els.find('> *').each(function(i, innerEl) {		var innerWidth = $(innerEl).outerWidth();		if (innerWidth > maxInnerWidth) {			maxInnerWidth = innerWidth;		}	});	maxInnerWidth++; // sometimes not accurate of width the text needs to stay on one line. insurance	els.width(maxInnerWidth);	return maxInnerWidth;}// Turns a container element into a scroller if its contents is taller than the allotted height.// Returns true if the element is now a scroller, false otherwise.// NOTE: this method is best because it takes weird zooming dimensions into accountfunction setPotentialScroller(containerEl, height) {	containerEl.height(height).addClass('fc-scroller');	// are scrollbars needed?	if (containerEl[0].scrollHeight - 1 > containerEl[0].clientHeight) { // !!! -1 because IE is often off-by-one :(		return true;	}	unsetScroller(containerEl); // undo	return false;}// Takes an element that might have been a scroller, and turns it back into a normal element.function unsetScroller(containerEl) {	containerEl.height('').removeClass('fc-scroller');}/* General DOM Utilities----------------------------------------------------------------------------------------------------------------------*/// borrowed from https://github.com/jquery/jquery-ui/blob/1.11.0/ui/core.js#L51function getScrollParent(el) {	var position = el.css('position'),		scrollParent = el.parents().filter(function() {			var parent = $(this);			return (/(auto|scroll)/).test(				parent.css('overflow') + parent.css('overflow-y') + parent.css('overflow-x')			);		}).eq(0);	return position === 'fixed' || !scrollParent.length ? $(el[0].ownerDocument || document) : scrollParent;}// Given a container element, return an object with the pixel values of the left/right scrollbars.// Left scrollbars might occur on RTL browsers (IE maybe?) but I have not tested.// PREREQUISITE: container element must have a single child with display:blockfunction getScrollbarWidths(container) {	var containerLeft = container.offset().left;	var containerRight = containerLeft + container.width();	var inner = container.children();	var innerLeft = inner.offset().left;	var innerRight = innerLeft + inner.outerWidth();	return {		left: innerLeft - containerLeft,		right: containerRight - innerRight	};}// Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac)function isPrimaryMouseButton(ev) {	return ev.which == 1 && !ev.ctrlKey;}/* FullCalendar-specific Misc Utilities----------------------------------------------------------------------------------------------------------------------*/// Creates a basic segment with the intersection of the two ranges. Returns undefined if no intersection.// Expects all dates to be normalized to the same timezone beforehand.function intersectionToSeg(subjectStart, subjectEnd, intervalStart, intervalEnd) {	var segStart, segEnd;	var isStart, isEnd;	if (subjectEnd > intervalStart && subjectStart < intervalEnd) { // in bounds at all?		if (subjectStart >= intervalStart) {			segStart = subjectStart.clone();			isStart = true;		}		else {			segStart = intervalStart.clone();			isStart =  false;		}		if (subjectEnd <= intervalEnd) {			segEnd = subjectEnd.clone();			isEnd = true;		}		else {			segEnd = intervalEnd.clone();			isEnd = false;		}		return {			start: segStart,			end: segEnd,			isStart: isStart,			isEnd: isEnd		};	}}function smartProperty(obj, name) { // get a camel-cased/namespaced property of an object	obj = obj || {};	if (obj[name] !== undefined) {		return obj[name];	}	var parts = name.split(/(?=[A-Z])/),		i = parts.length - 1, res;	for (; i>=0; i--) {		res = obj[parts[i].toLowerCase()];		if (res !== undefined) {			return res;		}	}	return obj['default'];}/* Date Utilities----------------------------------------------------------------------------------------------------------------------*/var dayIDs = [ 'sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat' ];// Diffs the two moments into a Duration where full-days are recorded first, then the remaining time.// Moments will have their timezones normalized.function dayishDiff(a, b) {	return moment.duration({		days: a.clone().stripTime().diff(b.clone().stripTime(), 'days'),		ms: a.time() - b.time()	});}function isNativeDate(input) {	return  Object.prototype.toString.call(input) === '[object Date]' || input instanceof Date;}function dateCompare(a, b) { // works with Moments and native Dates	return a - b;}/* General Utilities----------------------------------------------------------------------------------------------------------------------*/fc.applyAll = applyAll; // export// Create an object that has the given prototype. Just like Object.createfunction createObject(proto) {	var f = function() {};	f.prototype = proto;	return new f();}// Copies specifically-owned (non-protoype) properties of `b` onto `a`.// FYI, $.extend would copy *all* properties of `b` onto `a`.function extend(a, b) {	for (var i in b) {		if (b.hasOwnProperty(i)) {			a[i] = b[i];		}	}}function applyAll(functions, thisObj, args) {	if ($.isFunction(functions)) {		functions = [ functions ];	}	if (functions) {		var i;		var ret;		for (i=0; i<functions.length; i++) {			ret = functions[i].apply(thisObj, args) || ret;		}		return ret;	}}function firstDefined() {	for (var i=0; i<arguments.length; i++) {		if (arguments[i] !== undefined) {			return arguments[i];		}	}}function htmlEscape(s) {	return (s + '').replace(/&/g, '&')		.replace(/</g, '<')		.replace(/>/g, '>')		.replace(/'/g, ''')		.replace(/"/g, '"')		.replace(/\n/g, '<br />');}function stripHtmlEntities(text) {	return text.replace(/&.*?;/g, '');}function capitaliseFirstLetter(str) {	return str.charAt(0).toUpperCase() + str.slice(1);}// Returns a function, that, as long as it continues to be invoked, will not// be triggered. The function will be called after it stops being called for// N milliseconds.// https://github.com/jashkenas/underscore/blob/1.6.0/underscore.js#L714function debounce(func, wait) {	var timeoutId;	var args;	var context;	var timestamp; // of most recent call	var later = function() {		var last = +new Date() - timestamp;		if (last < wait && last > 0) {			timeoutId = setTimeout(later, wait - last);		}		else {			timeoutId = null;			func.apply(context, args);			if (!timeoutId) {				context = args = null;			}		}	};	return function() {		context = this;		args = arguments;		timestamp = +new Date();		if (!timeoutId) {			timeoutId = setTimeout(later, wait);		}	};};;var ambigDateOfMonthRegex = /^\s*\d{4}-\d\d$/;var ambigTimeOrZoneRegex =	/^\s*\d{4}-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?)?$/;// Creating// -------------------------------------------------------------------------------------------------// Creates a new moment, similar to the vanilla moment(...) constructor, but with// extra features (ambiguous time, enhanced formatting). When gived an existing moment,// it will function as a clone (and retain the zone of the moment). Anything else will// result in a moment in the local zone.fc.moment = function() {	return makeMoment(arguments);};// Sames as fc.moment, but forces the resulting moment to be in the UTC timezone.fc.moment.utc = function() {	var mom = makeMoment(arguments, true);	// Force it into UTC because makeMoment doesn't guarantee it.	if (mom.hasTime()) { // don't give ambiguously-timed moments a UTC zone		mom.utc();	}	return mom;};// Same as fc.moment, but when given an ISO8601 string, the timezone offset is preserved.// ISO8601 strings with no timezone offset will become ambiguously zoned.fc.moment.parseZone = function() {	return makeMoment(arguments, true, true);};// Builds an FCMoment from args. When given an existing moment, it clones. When given a native// Date, or called with no arguments (the current time), the resulting moment will be local.// Anything else needs to be "parsed" (a string or an array), and will be affected by://    parseAsUTC - if there is no zone information, should we parse the input in UTC?//    parseZone - if there is zone information, should we force the zone of the moment?function makeMoment(args, parseAsUTC, parseZone) {	var input = args[0];	var isSingleString = args.length == 1 && typeof input === 'string';	var isAmbigTime;	var isAmbigZone;	var ambigMatch;	var output; // an object with fields for the new FCMoment object	if (moment.isMoment(input)) {		output = moment.apply(null, args); // clone it		// the ambig properties have not been preserved in the clone, so reassign them		if (input._ambigTime) {			output._ambigTime = true;		}		if (input._ambigZone) {			output._ambigZone = true;		}	}	else if (isNativeDate(input) || input === undefined) {		output = moment.apply(null, args); // will be local	}	else { // "parsing" is required		isAmbigTime = false;		isAmbigZone = false;		if (isSingleString) {			if (ambigDateOfMonthRegex.test(input)) {				// accept strings like '2014-05', but convert to the first of the month				input += '-01';				args = [ input ]; // for when we pass it on to moment's constructor				isAmbigTime = true;				isAmbigZone = true;			}			else if ((ambigMatch = ambigTimeOrZoneRegex.exec(input))) {				isAmbigTime = !ambigMatch[5]; // no time part?				isAmbigZone = true;			}		}		else if ($.isArray(input)) {			// arrays have no timezone information, so assume ambiguous zone			isAmbigZone = true;		}		// otherwise, probably a string with a format		if (parseAsUTC) {			output = moment.utc.apply(moment, args);		}		else {			output = moment.apply(null, args);		}		if (isAmbigTime) {			output._ambigTime = true;			output._ambigZone = true; // ambiguous time always means ambiguous zone		}		else if (parseZone) { // let's record the inputted zone somehow			if (isAmbigZone) {				output._ambigZone = true;			}			else if (isSingleString) {				output.zone(input); // if not a valid zone, will assign UTC			}		}	}	return new FCMoment(output);}// Our subclass of Moment.// Accepts an object with the internal Moment properties that should be copied over to// `this` object (most likely another Moment object). The values in this data must not// be referenced by anything else (two moments sharing a Date object for example).function FCMoment(internalData) {	extend(this, internalData);}// Chain the prototype to Moment'sFCMoment.prototype = createObject(moment.fn);// We need this because Moment's implementation won't create an FCMoment,// nor will it copy over the ambig flags.FCMoment.prototype.clone = function() {	return makeMoment([ this ]);};// Time-of-day// -------------------------------------------------------------------------------------------------// GETTER// Returns a Duration with the hours/minutes/seconds/ms values of the moment.// If the moment has an ambiguous time, a duration of 00:00 will be returned.//// SETTER// You can supply a Duration, a Moment, or a Duration-like argument.// When setting the time, and the moment has an ambiguous time, it then becomes unambiguous.FCMoment.prototype.time = function(time) {	if (time == null) { // getter		return moment.duration({			hours: this.hours(),			minutes: this.minutes(),			seconds: this.seconds(),			milliseconds: this.milliseconds()		});	}	else { // setter		delete this._ambigTime; // mark that the moment now has a time		if (!moment.isDuration(time) && !moment.isMoment(time)) {			time = moment.duration(time);		}		// The day value should cause overflow (so 24 hours becomes 00:00:00 of next day).		// Only for Duration times, not Moment times.		var dayHours = 0;		if (moment.isDuration(time)) {			dayHours = Math.floor(time.asDays()) * 24;		}		// We need to set the individual fields.		// Can't use startOf('day') then add duration. In case of DST at start of day.		return this.hours(dayHours + time.hours())			.minutes(time.minutes())			.seconds(time.seconds())			.milliseconds(time.milliseconds());	}};// Converts the moment to UTC, stripping out its time-of-day and timezone offset,// but preserving its YMD. A moment with a stripped time will display no time// nor timezone offset when .format() is called.FCMoment.prototype.stripTime = function() {	var a = this.toArray(); // year,month,date,hours,minutes,seconds as an array	// set the internal UTC flag	moment.fn.utc.call(this); // call the original method, because we don't want to affect _ambigZone	this.year(a[0]) // TODO: find a way to do this in one shot		.month(a[1])		.date(a[2])		.hours(0)		.minutes(0)		.seconds(0)		.milliseconds(0);	// Mark the time as ambiguous. This needs to happen after the .utc() call, which calls .zone(), which	// clears all ambig flags. Same concept with the .year/month/date calls in the case of moment-timezone.	this._ambigTime = true;	this._ambigZone = true; // if ambiguous time, also ambiguous timezone offset	return this; // for chaining};// Returns if the moment has a non-ambiguous time (boolean)FCMoment.prototype.hasTime = function() {	return !this._ambigTime;};// Timezone// -------------------------------------------------------------------------------------------------// Converts the moment to UTC, stripping out its timezone offset, but preserving its// YMD and time-of-day. A moment with a stripped timezone offset will display no// timezone offset when .format() is called.FCMoment.prototype.stripZone = function() {	var a = this.toArray(); // year,month,date,hours,minutes,seconds as an array	var wasAmbigTime = this._ambigTime;	moment.fn.utc.call(this); // set the internal UTC flag	this.year(a[0]) // TODO: find a way to do this in one shot		.month(a[1])		.date(a[2])		.hours(a[3])		.minutes(a[4])		.seconds(a[5])		.milliseconds(a[6]);	if (wasAmbigTime) {		// the above call to .utc()/.zone() unfortunately clears the ambig flags, so reassign		this._ambigTime = true;	}	// Mark the zone as ambiguous. This needs to happen after the .utc() call, which calls .zone(), which	// clears all ambig flags. Same concept with the .year/month/date calls in the case of moment-timezone.	this._ambigZone = true;	return this; // for chaining};// Returns of the moment has a non-ambiguous timezone offset (boolean)FCMoment.prototype.hasZone = function() {	return !this._ambigZone;};// this method implicitly marks a zoneFCMoment.prototype.zone = function(tzo) {	if (tzo != null) {		// FYI, the delete statements need to be before the .zone() call or else chaos ensues		// for reasons I don't understand. 		delete this._ambigTime;		delete this._ambigZone;	}	return moment.fn.zone.apply(this, arguments);};// this method implicitly marks a zoneFCMoment.prototype.local = function() {	var a = this.toArray(); // year,month,date,hours,minutes,seconds as an array	var wasAmbigZone = this._ambigZone;	// will happen anyway via .local()/.zone(), but don't want to rely on internal implementation	delete this._ambigTime;	delete this._ambigZone;	moment.fn.local.apply(this, arguments);	if (wasAmbigZone) {		// If the moment was ambiguously zoned, the date fields were stored as UTC.		// We want to preserve these, but in local time.		this.year(a[0]) // TODO: find a way to do this in one shot			.month(a[1])			.date(a[2])			.hours(a[3])			.minutes(a[4])			.seconds(a[5])			.milliseconds(a[6]);	}	return this; // for chaining};// this method implicitly marks a zoneFCMoment.prototype.utc = function() {	// will happen anyway via .local()/.zone(), but don't want to rely on internal implementation	delete this._ambigTime;	delete this._ambigZone;	return moment.fn.utc.apply(this, arguments);};// Formatting// -------------------------------------------------------------------------------------------------FCMoment.prototype.format = function() {	if (arguments[0]) {		return formatDate(this, arguments[0]); // our extended formatting	}	if (this._ambigTime) {		return momentFormat(this, 'YYYY-MM-DD');	}	if (this._ambigZone) {		return momentFormat(this, 'YYYY-MM-DD[T]HH:mm:ss');	}	return momentFormat(this); // default moment original formatting};FCMoment.prototype.toISOString = function() {	if (this._ambigTime) {		return momentFormat(this, 'YYYY-MM-DD');	}	if (this._ambigZone) {		return momentFormat(this, 'YYYY-MM-DD[T]HH:mm:ss');	}	return moment.fn.toISOString.apply(this, arguments);};// Querying// -------------------------------------------------------------------------------------------------// Is the moment within the specified range? `end` is exclusive.FCMoment.prototype.isWithin = function(start, end) {	var a = commonlyAmbiguate([ this, start, end ]);	return a[0] >= a[1] && a[0] < a[2];};// When isSame is called with units, timezone ambiguity is normalized before the comparison happens.// If no units are specified, the two moments must be identically the same, with matching ambig flags.FCMoment.prototype.isSame = function(input, units) {	var a;	if (units) {		a = commonlyAmbiguate([ this, input ], true); // normalize timezones but don't erase times		return moment.fn.isSame.call(a[0], a[1], units);	}	else {		input = fc.moment.parseZone(input); // normalize input		return moment.fn.isSame.call(this, input) &&			Boolean(this._ambigTime) === Boolean(input._ambigTime) &&			Boolean(this._ambigZone) === Boolean(input._ambigZone);	}};// Make these query methods work with ambiguous moments$.each([	'isBefore',	'isAfter'], function(i, methodName) {	FCMoment.prototype[methodName] = function(input, units) {		var a = commonlyAmbiguate([ this, input ]);		return moment.fn[methodName].call(a[0], a[1], units);	};});// Misc Internals// -------------------------------------------------------------------------------------------------// given an array of moment-like inputs, return a parallel array w/ moments similarly ambiguated.// for example, of one moment has ambig time, but not others, all moments will have their time stripped.// set `preserveTime` to `true` to keep times, but only normalize zone ambiguity.function commonlyAmbiguate(inputs, preserveTime) {	var outputs = [];	var anyAmbigTime = false;	var anyAmbigZone = false;	var i;	for (i=0; i<inputs.length; i++) {		outputs.push(fc.moment.parseZone(inputs[i]));		anyAmbigTime = anyAmbigTime || outputs[i]._ambigTime;		anyAmbigZone = anyAmbigZone || outputs[i]._ambigZone;	}	for (i=0; i<outputs.length; i++) {		if (anyAmbigTime && !preserveTime) {			outputs[i].stripTime();		}		else if (anyAmbigZone) {			outputs[i].stripZone();		}	}	return outputs;};;// Single Date Formatting// -------------------------------------------------------------------------------------------------// call this if you want Moment's original format method to be usedfunction momentFormat(mom, formatStr) {	return moment.fn.format.call(mom, formatStr);}// Formats `date` with a Moment formatting string, but allow our non-zero areas and// additional token.function formatDate(date, formatStr) {	return formatDateWithChunks(date, getFormatStringChunks(formatStr));}function formatDateWithChunks(date, chunks) {	var s = '';	var i;	for (i=0; i<chunks.length; i++) {		s += formatDateWithChunk(date, chunks[i]);	}	return s;}// addition formatting tokens we want recognizedvar tokenOverrides = {	t: function(date) { // "a" or "p"		return momentFormat(date, 'a').charAt(0);	},	T: function(date) { // "A" or "P"		return momentFormat(date, 'A').charAt(0);	}};function formatDateWithChunk(date, chunk) {	var token;	var maybeStr;	if (typeof chunk === 'string') { // a literal string		return chunk;	}	else if ((token = chunk.token)) { // a token, like "YYYY"		if (tokenOverrides[token]) {			return tokenOverrides[token](date); // use our custom token		}		return momentFormat(date, token);	}	else if (chunk.maybe) { // a grouping of other chunks that must be non-zero		maybeStr = formatDateWithChunks(date, chunk.maybe);		if (maybeStr.match(/[1-9]/)) {			return maybeStr;		}	}	return '';}// Date Range Formatting// -------------------------------------------------------------------------------------------------// TODO: make it work with timezone offset// Using a formatting string meant for a single date, generate a range string, like// "Sep 2 - 9 2013", that intelligently inserts a separator where the dates differ.// If the dates are the same as far as the format string is concerned, just return a single// rendering of one date, without any separator.function formatRange(date1, date2, formatStr, separator, isRTL) {	var localeData;	date1 = fc.moment.parseZone(date1);	date2 = fc.moment.parseZone(date2);	localeData = (date1.localeData || date1.lang).call(date1); // works with moment-pre-2.8	// Expand localized format strings, like "LL" -> "MMMM D YYYY"	formatStr = localeData.longDateFormat(formatStr) || formatStr;	// BTW, this is not important for `formatDate` because it is impossible to put custom tokens	// or non-zero areas in Moment's localized format strings.	separator = separator || ' - ';	return formatRangeWithChunks(		date1,		date2,		getFormatStringChunks(formatStr),		separator,		isRTL	);}fc.formatRange = formatRange; // exposefunction formatRangeWithChunks(date1, date2, chunks, separator, isRTL) {	var chunkStr; // the rendering of the chunk	var leftI;	var leftStr = '';	var rightI;	var rightStr = '';	var middleI;	var middleStr1 = '';	var middleStr2 = '';	var middleStr = '';	// Start at the leftmost side of the formatting string and continue until you hit a token	// that is not the same between dates.	for (leftI=0; leftI<chunks.length; leftI++) {		chunkStr = formatSimilarChunk(date1, date2, chunks[leftI]);		if (chunkStr === false) {			break;		}		leftStr += chunkStr;	}	// Similarly, start at the rightmost side of the formatting string and move left	for (rightI=chunks.length-1; rightI>leftI; rightI--) {		chunkStr = formatSimilarChunk(date1, date2, chunks[rightI]);		if (chunkStr === false) {			break;		}		rightStr = chunkStr + rightStr;	}	// The area in the middle is different for both of the dates.	// Collect them distinctly so we can jam them together later.	for (middleI=leftI; middleI<=rightI; middleI++) {		middleStr1 += formatDateWithChunk(date1, chunks[middleI]);		middleStr2 += formatDateWithChunk(date2, chunks[middleI]);	}	if (middleStr1 || middleStr2) {		if (isRTL) {			middleStr = middleStr2 + separator + middleStr1;		}		else {			middleStr = middleStr1 + separator + middleStr2;		}	}	return leftStr + middleStr + rightStr;}var similarUnitMap = {	Y: 'year',	M: 'month',	D: 'day', // day of month	d: 'day', // day of week	// prevents a separator between anything time-related...	A: 'second', // AM/PM	a: 'second', // am/pm	T: 'second', // A/P	t: 'second', // a/p	H: 'second', // hour (24)	h: 'second', // hour (12)	m: 'second', // minute	s: 'second' // second};// TODO: week maybe?// Given a formatting chunk, and given that both dates are similar in the regard the// formatting chunk is concerned, format date1 against `chunk`. Otherwise, return `false`.function formatSimilarChunk(date1, date2, chunk) {	var token;	var unit;	if (typeof chunk === 'string') { // a literal string		return chunk;	}	else if ((token = chunk.token)) {		unit = similarUnitMap[token.charAt(0)];		// are the dates the same for this unit of measurement?		if (unit && date1.isSame(date2, unit)) {			return momentFormat(date1, token); // would be the same if we used `date2`			// BTW, don't support custom tokens		}	}	return false; // the chunk is NOT the same for the two dates	// BTW, don't support splitting on non-zero areas}// Chunking Utils// -------------------------------------------------------------------------------------------------var formatStringChunkCache = {};function getFormatStringChunks(formatStr) {	if (formatStr in formatStringChunkCache) {		return formatStringChunkCache[formatStr];	}	return (formatStringChunkCache[formatStr] = chunkFormatString(formatStr));}// Break the formatting string into an array of chunksfunction chunkFormatString(formatStr) {	var chunks = [];	var chunker = /\[([^\]]*)\]|\(([^\)]*)\)|(LT|(\w)\4*o?)|([^\w\[\(]+)/g; // TODO: more descrimination	var match;	while ((match = chunker.exec(formatStr))) {		if (match[1]) { // a literal string inside [ ... ]			chunks.push(match[1]);		}		else if (match[2]) { // non-zero formatting inside ( ... )			chunks.push({ maybe: chunkFormatString(match[2]) });		}		else if (match[3]) { // a formatting token			chunks.push({ token: match[3] });		}		else if (match[5]) { // an unenclosed literal string			chunks.push(match[5]);		}	}	return chunks;};;/* A rectangular panel that is absolutely positioned over other content------------------------------------------------------------------------------------------------------------------------Options:	- className (string)	- content (HTML string or jQuery element set)	- parentEl	- top	- left	- right (the x coord of where the right edge should be. not a "CSS" right)	- autoHide (boolean)	- show (callback)	- hide (callback)*/function Popover(options) {	this.options = options || {};}Popover.prototype = {	isHidden: true,	options: null,	el: null, // the container element for the popover. generated by this object	documentMousedownProxy: null, // document mousedown handler bound to `this`	margin: 10, // the space required between the popover and the edges of the scroll container	// Shows the popover on the specified position. Renders it if not already	show: function() {		if (this.isHidden) {			if (!this.el) {				this.render();			}			this.el.show();			this.position();			this.isHidden = false;			this.trigger('show');		}	},	// Hides the popover, through CSS, but does not remove it from the DOM	hide: function() {		if (!this.isHidden) {			this.el.hide();			this.isHidden = true;			this.trigger('hide');		}	},	// Creates `this.el` and renders content inside of it	render: function() {		var _this = this;		var options = this.options;		this.el = $('<div class="fc-popover"/>')			.addClass(options.className || '')			.css({				// position initially to the top left to avoid creating scrollbars				top: 0,				left: 0			})			.append(options.content)			.appendTo(options.parentEl);		// when a click happens on anything inside with a 'fc-close' className, hide the popover		this.el.on('click', '.fc-close', function() {			_this.hide();		});		if (options.autoHide) {			$(document).on('mousedown', this.documentMousedownProxy = $.proxy(this, 'documentMousedown'));		}	},	// Triggered when the user clicks *anywhere* in the document, for the autoHide feature	documentMousedown: function(ev) {		// only hide the popover if the click happened outside the popover		if (this.el && !$(ev.target).closest(this.el).length) {			this.hide();		}	},	// Hides and unregisters any handlers	destroy: function() {		this.hide();		if (this.el) {			this.el.remove();			this.el = null;		}		$(document).off('mousedown', this.documentMousedownProxy);	},	// Positions the popover optimally, using the top/left/right options	position: function() {		var options = this.options;		var origin = this.el.offsetParent().offset();		var width = this.el.outerWidth();		var height = this.el.outerHeight();		var windowEl = $(window);		var viewportEl = getScrollParent(this.el);		var viewportTop;		var viewportLeft;		var viewportOffset;		var top; // the "position" (not "offset") values for the popover		var left; //		// compute top and left		top = options.top || 0;		if (options.left !== undefined) {			left = options.left;		}		else if (options.right !== undefined) {			left = options.right - width; // derive the left value from the right value		}		else {			left = 0;		}		if (viewportEl.is(window) || viewportEl.is(document)) { // normalize getScrollParent's result			viewportEl = windowEl;			viewportTop = 0; // the window is always at the top left			viewportLeft = 0; // (and .offset() won't work if called here)		}		else {			viewportOffset = viewportEl.offset();			viewportTop = viewportOffset.top;			viewportLeft = viewportOffset.left;		}		// if the window is scrolled, it causes the visible area to be further down		viewportTop += windowEl.scrollTop();		viewportLeft += windowEl.scrollLeft();		// constrain to the view port. if constrained by two edges, give precedence to top/left		if (options.viewportConstrain !== false) {			top = Math.min(top, viewportTop + viewportEl.outerHeight() - height - this.margin);			top = Math.max(top, viewportTop + this.margin);			left = Math.min(left, viewportLeft + viewportEl.outerWidth() - width - this.margin);			left = Math.max(left, viewportLeft + this.margin);		}		this.el.css({			top: top - origin.top,			left: left - origin.left		});	},	// Triggers a callback. Calls a function in the option hash of the same name.	// Arguments beyond the first `name` are forwarded on.	// TODO: better code reuse for this. Repeat code	trigger: function(name) {		if (this.options[name]) {			this.options[name].apply(this, Array.prototype.slice.call(arguments, 1));		}	}};;;/* A "coordinate map" converts pixel coordinates into an associated cell, which has an associated date------------------------------------------------------------------------------------------------------------------------Common interface:	CoordMap.prototype = {		build: function() {},		getCell: function(x, y) {}	};*//* Coordinate map for a grid component----------------------------------------------------------------------------------------------------------------------*/function GridCoordMap(grid) {	this.grid = grid;}GridCoordMap.prototype = {	grid: null, // reference to the Grid	rows: null, // the top-to-bottom y coordinates. including the bottom of the last item	cols: null, // the left-to-right x coordinates. including the right of the last item	containerEl: null, // container element that all coordinates are constrained to. optionally assigned	minX: null,	maxX: null, // exclusive	minY: null,	maxY: null, // exclusive	// Queries the grid for the coordinates of all the cells	build: function() {		this.grid.buildCoords(			this.rows = [],			this.cols = []		);		this.computeBounds();	},	// Given a coordinate of the document, gets the associated cell. If no cell is underneath, returns null	getCell: function(x, y) {		var cell = null;		var rows = this.rows;		var cols = this.cols;		var r = -1;		var c = -1;		var i;		if (this.inBounds(x, y)) {			for (i = 0; i < rows.length; i++) {				if (y >= rows[i][0] && y < rows[i][1]) {					r = i;					break;				}			}			for (i = 0; i < cols.length; i++) {				if (x >= cols[i][0] && x < cols[i][1]) {					c = i;					break;				}			}			if (r >= 0 && c >= 0) {				cell = { row: r, col: c };				cell.grid = this.grid;				cell.date = this.grid.getCellDate(cell);			}		}		return cell;	},	// If there is a containerEl, compute the bounds into min/max values	computeBounds: function() {		var containerOffset;		if (this.containerEl) {			containerOffset = this.containerEl.offset();			this.minX = containerOffset.left;			this.maxX = containerOffset.left + this.containerEl.outerWidth();			this.minY = containerOffset.top;			this.maxY = containerOffset.top + this.containerEl.outerHeight();		}	},	// Determines if the given coordinates are in bounds. If no `containerEl`, always true	inBounds: function(x, y) {		if (this.containerEl) {			return x >= this.minX && x < this.maxX && y >= this.minY && y < this.maxY;		}		return true;	}};/* Coordinate map that is a combination of multiple other coordinate maps----------------------------------------------------------------------------------------------------------------------*/function ComboCoordMap(coordMaps) {	this.coordMaps = coordMaps;}ComboCoordMap.prototype = {	coordMaps: null, // an array of CoordMaps	// Builds all coordMaps	build: function() {		var coordMaps = this.coordMaps;		var i;		for (i = 0; i < coordMaps.length; i++) {			coordMaps[i].build();		}	},	// Queries all coordMaps for the cell underneath the given coordinates, returning the first result	getCell: function(x, y) {		var coordMaps = this.coordMaps;		var cell = null;		var i;		for (i = 0; i < coordMaps.length && !cell; i++) {			cell = coordMaps[i].getCell(x, y);		}		return cell;	}};;;/* Tracks mouse movements over a CoordMap and raises events about which cell the mouse is over.----------------------------------------------------------------------------------------------------------------------*/// TODO: implement scrollingfunction DragListener(coordMap, options) {	this.coordMap = coordMap;	this.options = options || {};}DragListener.prototype = {	coordMap: null,	options: null,	isListening: false,	isDragging: false,	// the cell/date the mouse was over when listening started	origCell: null,	origDate: null,	// the cell/date the mouse is over	cell: null,	date: null,	// coordinates of the initial mousedown	mouseX0: null,	mouseY0: null,	// handler attached to the document, bound to the DragListener's `this`	mousemoveProxy: null,	mouseupProxy: null,	scrollEl: null,	scrollBounds: null, // { top, bottom, left, right }	scrollTopVel: null, // pixels per second	scrollLeftVel: null, // pixels per second	scrollIntervalId: null, // ID of setTimeout for scrolling animation loop	scrollHandlerProxy: null, // this-scoped function for handling when scrollEl is scrolled	scrollSensitivity: 30, // pixels from edge for scrolling to start	scrollSpeed: 200, // pixels per second, at maximum speed	scrollIntervalMs: 50, // millisecond wait between scroll increment	// Call this when the user does a mousedown. Will probably lead to startListening	mousedown: function(ev) {		if (isPrimaryMouseButton(ev)) {			ev.preventDefault(); // prevents native selection in most browsers			this.startListening(ev);			// start the drag immediately if there is no minimum distance for a drag start			if (!this.options.distance) {				this.startDrag(ev);			}		}	},	// Call this to start tracking mouse movements	startListening: function(ev) {		var scrollParent;		var cell;		if (!this.isListening) {			// grab scroll container and attach handler			if (ev && this.options.scroll) {				scrollParent = getScrollParent($(ev.target));				if (!scrollParent.is(window) && !scrollParent.is(document)) {					this.scrollEl = scrollParent;					// scope to `this`, and use `debounce` to make sure rapid calls don't happen					this.scrollHandlerProxy = debounce($.proxy(this, 'scrollHandler'), 100);					this.scrollEl.on('scroll', this.scrollHandlerProxy);				}			}			this.computeCoords(); // relies on `scrollEl`			// get info on the initial cell, date, and coordinates			if (ev) {				cell = this.getCell(ev);				this.origCell = cell;				this.origDate = cell ? cell.date : null;				this.mouseX0 = ev.pageX;				this.mouseY0 = ev.pageY;			}			$(document)				.on('mousemove', this.mousemoveProxy = $.proxy(this, 'mousemove'))				.on('mouseup', this.mouseupProxy = $.proxy(this, 'mouseup'))				.on('selectstart', this.preventDefault); // prevents native selection in IE<=8			this.isListening = true;			this.trigger('listenStart', ev);		}	},	// Recomputes the drag-critical positions of elements	computeCoords: function() {		this.coordMap.build();		this.computeScrollBounds();	},	// Called when the user moves the mouse	mousemove: function(ev) {		var minDistance;		var distanceSq; // current distance from mouseX0/mouseY0, squared		if (!this.isDragging) { // if not already dragging...			// then start the drag if the minimum distance criteria is met			minDistance = this.options.distance || 1;			distanceSq = Math.pow(ev.pageX - this.mouseX0, 2) + Math.pow(ev.pageY - this.mouseY0, 2);			if (distanceSq >= minDistance * minDistance) { // use pythagorean theorem				this.startDrag(ev);			}		}		if (this.isDragging) {			this.drag(ev); // report a drag, even if this mousemove initiated the drag		}	},	// Call this to initiate a legitimate drag.	// This function is called internally from this class, but can also be called explicitly from outside	startDrag: function(ev) {		var cell;		if (!this.isListening) { // startDrag must have manually initiated			this.startListening();		}		if (!this.isDragging) {			this.isDragging = true;			this.trigger('dragStart', ev);			// report the initial cell the mouse is over			cell = this.getCell(ev);			if (cell) {				this.cellOver(cell, true);			}		}	},	// Called while the mouse is being moved and when we know a legitimate drag is taking place	drag: function(ev) {		var cell;		if (this.isDragging) {			cell = this.getCell(ev);			if (!isCellsEqual(cell, this.cell)) { // a different cell than before?				if (this.cell) {					this.cellOut();				}				if (cell) {					this.cellOver(cell);				}			}			this.dragScroll(ev); // will possibly cause scrolling		}	},	// Called when a the mouse has just moved over a new cell	cellOver: function(cell) {		this.cell = cell;		this.date = cell.date;		this.trigger('cellOver', cell, cell.date);	},	// Called when the mouse has just moved out of a cell	cellOut: function() {		if (this.cell) {			this.trigger('cellOut', this.cell);			this.cell = null;			this.date = null;		}	},	// Called when the user does a mouseup	mouseup: function(ev) {		this.stopDrag(ev);		this.stopListening(ev);	},	// Called when the drag is over. Will not cause listening to stop however.	// A concluding 'cellOut' event will NOT be triggered.	stopDrag: function(ev) {		if (this.isDragging) {			this.stopScrolling();			this.trigger('dragStop', ev);			this.isDragging = false;		}	},	// Call this to stop listening to the user's mouse events	stopListening: function(ev) {		if (this.isListening) {			// remove the scroll handler if there is a scrollEl			if (this.scrollEl) {				this.scrollEl.off('scroll', this.scrollHandlerProxy);				this.scrollHandlerProxy = null;			}			$(document)				.off('mousemove', this.mousemoveProxy)				.off('mouseup', this.mouseupProxy)				.off('selectstart', this.preventDefault);			this.mousemoveProxy = null;			this.mouseupProxy = null;			this.isListening = false;			this.trigger('listenStop', ev);			this.origCell = this.cell = null;			this.origDate = this.date = null;		}	},	// Gets the cell underneath the coordinates for the given mouse event	getCell: function(ev) {		return this.coordMap.getCell(ev.pageX, ev.pageY);	},	// Triggers a callback. Calls a function in the option hash of the same name.	// Arguments beyond the first `name` are forwarded on.	trigger: function(name) {		if (this.options[name]) {			this.options[name].apply(this, Array.prototype.slice.call(arguments, 1));		}	},	// Stops a given mouse event from doing it's native browser action. In our case, text selection.	preventDefault: function(ev) {		ev.preventDefault();	},	/* Scrolling	------------------------------------------------------------------------------------------------------------------*/	// Computes and stores the bounding rectangle of scrollEl	computeScrollBounds: function() {		var el = this.scrollEl;		var offset;		if (el) {			offset = el.offset();			this.scrollBounds = {				top: offset.top,				left: offset.left,				bottom: offset.top + el.outerHeight(),				right: offset.left + el.outerWidth()			};		}	},	// Called when the dragging is in progress and scrolling should be updated	dragScroll: function(ev) {		var sensitivity = this.scrollSensitivity;		var bounds = this.scrollBounds;		var topCloseness, bottomCloseness;		var leftCloseness, rightCloseness;		var topVel = 0;		var leftVel = 0;		if (bounds) { // only scroll if scrollEl exists			// compute closeness to edges. valid range is from 0.0 - 1.0			topCloseness = (sensitivity - (ev.pageY - bounds.top)) / sensitivity;			bottomCloseness = (sensitivity - (bounds.bottom - ev.pageY)) / sensitivity;			leftCloseness = (sensitivity - (ev.pageX - bounds.left)) / sensitivity;			rightCloseness = (sensitivity - (bounds.right - ev.pageX)) / sensitivity;			// translate vertical closeness into velocity.			// mouse must be completely in bounds for velocity to happen.			if (topCloseness >= 0 && topCloseness <= 1) {				topVel = topCloseness * this.scrollSpeed * -1; // negative. for scrolling up			}			else if (bottomCloseness >= 0 && bottomCloseness <= 1) {				topVel = bottomCloseness * this.scrollSpeed;			}			// translate horizontal closeness into velocity			if (leftCloseness >= 0 && leftCloseness <= 1) {				leftVel = leftCloseness * this.scrollSpeed * -1; // negative. for scrolling left			}			else if (rightCloseness >= 0 && rightCloseness <= 1) {				leftVel = rightCloseness * this.scrollSpeed;			}		}		this.setScrollVel(topVel, leftVel);	},	// Sets the speed-of-scrolling for the scrollEl	setScrollVel: function(topVel, leftVel) {		this.scrollTopVel = topVel;		this.scrollLeftVel = leftVel;		this.constrainScrollVel(); // massages into realistic values		// if there is non-zero velocity, and an animation loop hasn't already started, then START		if ((this.scrollTopVel || this.scrollLeftVel) && !this.scrollIntervalId) {			this.scrollIntervalId = setInterval(				$.proxy(this, 'scrollIntervalFunc'), // scope to `this`				this.scrollIntervalMs			);		}	},	// Forces scrollTopVel and scrollLeftVel to be zero if scrolling has already gone all the way	constrainScrollVel: function() {		var el = this.scrollEl;		if (this.scrollTopVel < 0) { // scrolling up?			if (el.scrollTop() <= 0) { // already scrolled all the way up?				this.scrollTopVel = 0;			}		}		else if (this.scrollTopVel > 0) { // scrolling down?			if (el.scrollTop() + el[0].clientHeight >= el[0].scrollHeight) { // already scrolled all the way down?				this.scrollTopVel = 0;			}		}		if (this.scrollLeftVel < 0) { // scrolling left?			if (el.scrollLeft() <= 0) { // already scrolled all the left?				this.scrollLeftVel = 0;			}		}		else if (this.scrollLeftVel > 0) { // scrolling right?			if (el.scrollLeft() + el[0].clientWidth >= el[0].scrollWidth) { // already scrolled all the way right?				this.scrollLeftVel = 0;			}		}	},	// This function gets called during every iteration of the scrolling animation loop	scrollIntervalFunc: function() {		var el = this.scrollEl;		var frac = this.scrollIntervalMs / 1000; // considering animation frequency, what the vel should be mult'd by		// change the value of scrollEl's scroll		if (this.scrollTopVel) {			el.scrollTop(el.scrollTop() + this.scrollTopVel * frac);		}		if (this.scrollLeftVel) {			el.scrollLeft(el.scrollLeft() + this.scrollLeftVel * frac);		}		this.constrainScrollVel(); // since the scroll values changed, recompute the velocities		// if scrolled all the way, which causes the vels to be zero, stop the animation loop		if (!this.scrollTopVel && !this.scrollLeftVel) {			this.stopScrolling();		}	},	// Kills any existing scrolling animation loop	stopScrolling: function() {		if (this.scrollIntervalId) {			clearInterval(this.scrollIntervalId);			this.scrollIntervalId = null;			// when all done with scrolling, recompute positions since they probably changed			this.computeCoords();		}	},	// Get called when the scrollEl is scrolled (NOTE: this is delayed via debounce)	scrollHandler: function() {		// recompute all coordinates, but *only* if this is *not* part of our scrolling animation		if (!this.scrollIntervalId) {			this.computeCoords();		}	}};// Returns `true` if the cells are identically equal. `false` otherwise.// They must have the same row, col, and be from the same grid.// Two null values will be considered equal, as two "out of the grid" states are the same.function isCellsEqual(cell1, cell2) {	if (!cell1 && !cell2) {		return true;	}	if (cell1 && cell2) {		return cell1.grid === cell2.grid &&			cell1.row === cell2.row &&			cell1.col === cell2.col;	}	return false;};;/* Creates a clone of an element and lets it track the mouse as it moves----------------------------------------------------------------------------------------------------------------------*/function MouseFollower(sourceEl, options) {	this.options = options = options || {};	this.sourceEl = sourceEl;	this.parentEl = options.parentEl ? $(options.parentEl) : sourceEl.parent(); // default to sourceEl's parent}MouseFollower.prototype = {	options: null,	sourceEl: null, // the element that will be cloned and made to look like it is dragging	el: null, // the clone of `sourceEl` that will track the mouse	parentEl: null, // the element that `el` (the clone) will be attached to	// the initial position of el, relative to the offset parent. made to match the initial offset of sourceEl	top0: null,	left0: null,	// the initial position of the mouse	mouseY0: null,	mouseX0: null,	// the number of pixels the mouse has moved from its initial position	topDelta: null,	leftDelta: null,	mousemoveProxy: null, // document mousemove handler, bound to the MouseFollower's `this`	isFollowing: false,	isHidden: false,	isAnimating: false, // doing the revert animation?	// Causes the element to start following the mouse	start: function(ev) {		if (!this.isFollowing) {			this.isFollowing = true;			this.mouseY0 = ev.pageY;			this.mouseX0 = ev.pageX;			this.topDelta = 0;			this.leftDelta = 0;			if (!this.isHidden) {				this.updatePosition();			}			$(document).on('mousemove', this.mousemoveProxy = $.proxy(this, 'mousemove'));		}	},	// Causes the element to stop following the mouse. If shouldRevert is true, will animate back to original position.	// `callback` gets invoked when the animation is complete. If no animation, it is invoked immediately.	stop: function(shouldRevert, callback) {		var _this = this;		var revertDuration = this.options.revertDuration;		function complete() {			this.isAnimating = false;			_this.destroyEl();			this.top0 = this.left0 = null; // reset state for future updatePosition calls			if (callback) {				callback();			}		}		if (this.isFollowing && !this.isAnimating) { // disallow more than one stop animation at a time			this.isFollowing = false;			$(document).off('mousemove', this.mousemoveProxy);			if (shouldRevert && revertDuration && !this.isHidden) { // do a revert animation?				this.isAnimating = true;				this.el.animate({					top: this.top0,					left: this.left0				}, {					duration: revertDuration,					complete: complete				});			}			else {				complete();			}		}	},	// Gets the tracking element. Create it if necessary	getEl: function() {		var el = this.el;		if (!el) {			this.sourceEl.width(); // hack to force IE8 to compute correct bounding box			el = this.el = this.sourceEl.clone()				.css({					position: 'absolute',					visibility: '', // in case original element was hidden (commonly through hideEvents())					display: this.isHidden ? 'none' : '', // for when initially hidden					margin: 0,					right: 'auto', // erase and set width instead					bottom: 'auto', // erase and set height instead					width: this.sourceEl.width(), // explicit height in case there was a 'right' value					height: this.sourceEl.height(), // explicit width in case there was a 'bottom' value					opacity: this.options.opacity || '',					zIndex: this.options.zIndex				})				.appendTo(this.parentEl);		}		return el;	},	// Removes the tracking element if it has already been created	destroyEl: function() {		if (this.el) {			this.el.remove();			this.el = null;		}	},	// Update the CSS position of the tracking element	updatePosition: function() {		var sourceOffset;		var origin;		this.getEl(); // ensure this.el		// make sure origin info was computed		if (this.top0 === null) {			this.sourceEl.width(); // hack to force IE8 to compute correct bounding box			sourceOffset = this.sourceEl.offset();			origin = this.el.offsetParent().offset();			this.top0 = sourceOffset.top - origin.top;			this.left0 = sourceOffset.left - origin.left;		}		this.el.css({			top: this.top0 + this.topDelta,			left: this.left0 + this.leftDelta		});	},	// Gets called when the user moves the mouse	mousemove: function(ev) {		this.topDelta = ev.pageY - this.mouseY0;		this.leftDelta = ev.pageX - this.mouseX0;		if (!this.isHidden) {			this.updatePosition();		}	},	// Temporarily makes the tracking element invisible. Can be called before following starts	hide: function() {		if (!this.isHidden) {			this.isHidden = true;			if (this.el) {				this.el.hide();			}		}	},	// Show the tracking element after it has been temporarily hidden	show: function() {		if (this.isHidden) {			this.isHidden = false;			this.updatePosition();			this.getEl().show();		}	}};;;/* A utility class for rendering <tr> rows.----------------------------------------------------------------------------------------------------------------------*/// It leverages methods of the subclass and the View to determine custom rendering behavior for each row "type"// (such as highlight rows, day rows, helper rows, etc).function RowRenderer(view) {	this.view = view;}RowRenderer.prototype = {	view: null, // a View object	cellHtml: '<td/>', // plain default HTML used for a cell when no other is available	// Renders the HTML for a row, leveraging custom cell-HTML-renderers based on the `rowType`.	// Also applies the "intro" and "outro" cells, which are specified by the subclass and views.	// `row` is an optional row number.	rowHtml: function(rowType, row) {		var view = this.view;		var renderCell = this.getHtmlRenderer('cell', rowType);		var cellHtml = '';		var col;		var date;		row = row || 0;		for (col = 0; col < view.colCnt; col++) {			date = view.cellToDate(row, col);			cellHtml += renderCell(row, col, date);		}		cellHtml = this.bookendCells(cellHtml, rowType, row); // apply intro and outro		return '<tr>' + cellHtml + '</tr>';	},	// Applies the "intro" and "outro" HTML to the given cells.	// Intro means the leftmost cell when the calendar is LTR and the rightmost cell when RTL. Vice-versa for outro.	// `cells` can be an HTML string of <td>'s or a jQuery <tr> element	// `row` is an optional row number.	bookendCells: function(cells, rowType, row) {		var view = this.view;		var intro = this.getHtmlRenderer('intro', rowType)(row || 0);		var outro = this.getHtmlRenderer('outro', rowType)(row || 0);		var isRTL = view.opt('isRTL');		var prependHtml = isRTL ? outro : intro;		var appendHtml = isRTL ? intro : outro;		if (typeof cells === 'string') {			return prependHtml + cells + appendHtml;		}		else { // a jQuery <tr> element			return cells.prepend(prependHtml).append(appendHtml);		}	},	// Returns an HTML-rendering function given a specific `rendererName` (like cell, intro, or outro) and a specific	// `rowType` (like day, eventSkeleton, helperSkeleton), which is optional.	// If a renderer for the specific rowType doesn't exist, it will fall back to a generic renderer.	// We will query the View object first for any custom rendering functions, then the methods of the subclass.	getHtmlRenderer: function(rendererName, rowType) {		var view = this.view;		var generalName; // like "cellHtml"		var specificName; // like "dayCellHtml". based on rowType		var provider; // either the View or the RowRenderer subclass, whichever provided the method		var renderer;		generalName = rendererName + 'Html';		if (rowType) {			specificName = rowType + capitaliseFirstLetter(rendererName) + 'Html';		}		if (specificName && (renderer = view[specificName])) {			provider = view;		}		else if (specificName && (renderer = this[specificName])) {			provider = this;		}		else if ((renderer = view[generalName])) {			provider = view;		}		else if ((renderer = this[generalName])) {			provider = this;		}		if (typeof renderer === 'function') {			return function(row) {				return renderer.apply(provider, arguments) || ''; // use correct `this` and always return a string			};		}		// the rendered can be a plain string as well. if not specified, always an empty string.		return function() {			return renderer || '';		};	}};;;/* An abstract class comprised of a "grid" of cells that each represent a specific datetime----------------------------------------------------------------------------------------------------------------------*/function Grid(view) {	RowRenderer.call(this, view); // call the super-constructor	this.coordMap = new GridCoordMap(this);}Grid.prototype = createObject(RowRenderer.prototype); // declare the super-class$.extend(Grid.prototype, {	el: null, // the containing element	coordMap: null, // a GridCoordMap that converts pixel values to datetimes	cellDuration: null, // a cell's duration. subclasses must assign this ASAP	// Renders the grid into the `el` element.	// Subclasses should override and call this super-method when done.	render: function() {		this.bindHandlers();	},	// Called when the grid's resources need to be cleaned up	destroy: function() {		// subclasses can implement	},	/* Coordinates & Cells	------------------------------------------------------------------------------------------------------------------*/	// Populates the given empty arrays with the y and x coordinates of the cells	buildCoords: function(rows, cols) {		// subclasses must implement	},	// Given a cell object, returns the date for that cell	getCellDate: function(cell) {		// subclasses must implement	},	// Given a cell object, returns the element that represents the cell's whole-day	getCellDayEl: function(cell) {		// subclasses must implement	},	// Converts a range with an inclusive `start` and an exclusive `end` into an array of segment objects	rangeToSegs: function(start, end) {		// subclasses must implement	},	/* Handlers	------------------------------------------------------------------------------------------------------------------*/	// Attach handlers to `this.el`, using bubbling to listen to all ancestors.	// We don't need to undo any of this in a "destroy" method, because the view will simply remove `this.el` from the	// DOM and jQuery will be smart enough to garbage collect the handlers.	bindHandlers: function() {		var _this = this;		this.el.on('mousedown', function(ev) {			if (				!$(ev.target).is('.fc-event-container *, .fc-more') && // not an an event element, or "more.." link				!$(ev.target).closest('.fc-popover').length // not on a popover (like the "more.." events one)			) {				_this.dayMousedown(ev);			}		});		this.bindSegHandlers(); // attach event-element-related handlers. in Grid.events.js	},	// Process a mousedown on an element that represents a day. For day clicking and selecting.	dayMousedown: function(ev) {		var _this = this;		var view = this.view;		var isSelectable = view.opt('selectable');		var dates = null; // the inclusive dates of the selection. will be null if no selection		var start; // the inclusive start of the selection		var end; // the *exclusive* end of the selection		var dayEl;		// this listener tracks a mousedown on a day element, and a subsequent drag.		// if the drag ends on the same day, it is a 'dayClick'.		// if 'selectable' is enabled, this listener also detects selections.		var dragListener = new DragListener(this.coordMap, {			//distance: 5, // needs more work if we want dayClick to fire correctly			scroll: view.opt('dragScroll'),			dragStart: function() {				view.unselect(); // since we could be rendering a new selection, we want to clear any old one			},			cellOver: function(cell, date) {				if (dragListener.origDate) { // click needs to have started on a cell					dayEl = _this.getCellDayEl(cell);					dates = [ date, dragListener.origDate ].sort(dateCompare);					start = dates[0];					end = dates[1].clone().add(_this.cellDuration);					if (isSelectable) {						_this.renderSelection(start, end);					}				}			},			cellOut: function(cell, date) {				dates = null;				_this.destroySelection();			},			listenStop: function(ev) {				if (dates) { // started and ended on a cell?					if (dates[0].isSame(dates[1])) {						view.trigger('dayClick', dayEl[0], start, ev);					}					if (isSelectable) {						// the selection will already have been rendered. just report it						view.reportSelection(start, end, ev);					}				}			}		});		dragListener.mousedown(ev); // start listening, which will eventually initiate a dragStart	},	/* Event Dragging	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of a event being dragged over the given date(s).	// `end` can be null, as well as `seg`. See View's documentation on renderDrag for more info.	// A returned value of `true` signals that a mock "helper" event has been rendered.	renderDrag: function(start, end, seg) {		// subclasses must implement	},	// Unrenders a visual indication of an event being dragged	destroyDrag: function() {		// subclasses must implement	},	/* Event Resizing	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event being resized.	// `start` and `end` are the updated dates of the event. `seg` is the original segment object involved in the drag.	renderResize: function(start, end, seg) {		// subclasses must implement	},	// Unrenders a visual indication of an event being resized.	destroyResize: function() {		// subclasses must implement	},	/* Event Helper	------------------------------------------------------------------------------------------------------------------*/	// Renders a mock event over the given date(s).	// `end` can be null, in which case the mock event that is rendered will have a null end time.	// `sourceSeg` is the internal segment object involved in the drag. If null, something external is dragging.	renderRangeHelper: function(start, end, sourceSeg) {		var view = this.view;		var fakeEvent;		// compute the end time if forced to do so (this is what EventManager does)		if (!end && view.opt('forceEventDuration')) {			end = view.calendar.getDefaultEventEnd(!start.hasTime(), start);		}		fakeEvent = sourceSeg ? createObject(sourceSeg.event) : {}; // mask the original event object if possible		fakeEvent.start = start;		fakeEvent.end = end;		fakeEvent.allDay = !(start.hasTime() || (end && end.hasTime())); // freshly compute allDay		// this extra className will be useful for differentiating real events from mock events in CSS		fakeEvent.className = (fakeEvent.className || []).concat('fc-helper');		// if something external is being dragged in, don't render a resizer		if (!sourceSeg) {			fakeEvent.editable = false;		}		this.renderHelper(fakeEvent, sourceSeg); // do the actual rendering	},	// Renders a mock event	renderHelper: function(event, sourceSeg) {		// subclasses must implement	},	// Unrenders a mock event	destroyHelper: function() {		// subclasses must implement	},	/* Selection	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of a selection. Will highlight by default but can be overridden by subclasses.	renderSelection: function(start, end) {		this.renderHighlight(start, end);	},	// Unrenders any visual indications of a selection. Will unrender a highlight by default.	destroySelection: function() {		this.destroyHighlight();	},	/* Highlight	------------------------------------------------------------------------------------------------------------------*/	// Puts visual emphasis on a certain date range	renderHighlight: function(start, end) {		// subclasses should implement	},	// Removes visual emphasis on a date range	destroyHighlight: function() {		// subclasses should implement	},	/* Generic rendering utilities for subclasses	------------------------------------------------------------------------------------------------------------------*/	// Renders a day-of-week header row	headHtml: function() {		return '' +			'<div class="fc-row ' + this.view.widgetHeaderClass + '">' +				'<table>' +					'<thead>' +						this.rowHtml('head') + // leverages RowRenderer					'</thead>' +				'</table>' +			'</div>';	},	// Used by the `headHtml` method, via RowRenderer, for rendering the HTML of a day-of-week header cell	headCellHtml: function(row, col, date) {		var view = this.view;		var calendar = view.calendar;		var colFormat = view.opt('columnFormat');		return '' +			'<th class="fc-day-header ' + view.widgetHeaderClass + ' fc-' + dayIDs[date.day()] + '">' +				htmlEscape(calendar.formatDate(date, colFormat)) +			'</th>';	},	// Renders the HTML for a single-day background cell	bgCellHtml: function(row, col, date) {		var view = this.view;		var classes = this.getDayClasses(date);		classes.unshift('fc-day', view.widgetContentClass);		return '<td class="' + classes.join(' ') + '" data-date="' + date.format() + '"></td>';	},	// Computes HTML classNames for a single-day cell	getDayClasses: function(date) {		var view = this.view;		var today = view.calendar.getNow().stripTime();		var classes = [ 'fc-' + dayIDs[date.day()] ];		if (			view.name === 'month' &&			date.month() != view.intervalStart.month()		) {			classes.push('fc-other-month');		}		if (date.isSame(today, 'day')) {			classes.push(				'fc-today',				view.highlightStateClass			);		}		else if (date < today) {			classes.push('fc-past');		}		else {			classes.push('fc-future');		}		return classes;	}});;;/* Event-rendering and event-interaction methods for the abstract Grid class----------------------------------------------------------------------------------------------------------------------*/$.extend(Grid.prototype, {	mousedOverSeg: null, // the segment object the user's mouse is over. null if over nothing	isDraggingSeg: false, // is a segment being dragged? boolean	isResizingSeg: false, // is a segment being resized? boolean	// Renders the given events onto the grid	renderEvents: function(events) {		// subclasses must implement	},	// Retrieves all rendered segment objects in this grid	getSegs: function() {		// subclasses must implement	},	// Unrenders all events. Subclasses should implement, calling this super-method first.	destroyEvents: function() {		this.triggerSegMouseout(); // trigger an eventMouseout if user's mouse is over an event	},	// Renders a `el` property for each seg, and only returns segments that successfully rendered	renderSegs: function(segs, disableResizing) {		var view = this.view;		var html = '';		var renderedSegs = [];		var i;		// build a large concatenation of event segment HTML		for (i = 0; i < segs.length; i++) {			html += this.renderSegHtml(segs[i], disableResizing);		}		// Grab individual elements from the combined HTML string. Use each as the default rendering.		// Then, compute the 'el' for each segment. An el might be null if the eventRender callback returned false.		$(html).each(function(i, node) {			var seg = segs[i];			var el = view.resolveEventEl(seg.event, $(node));			if (el) {				el.data('fc-seg', seg); // used by handlers				seg.el = el;				renderedSegs.push(seg);			}		});		return renderedSegs;	},	// Generates the HTML for the default rendering of a segment	renderSegHtml: function(seg, disableResizing) {		// subclasses must implement	},	// Converts an array of event objects into an array of segment objects	eventsToSegs: function(events, intervalStart, intervalEnd) {		var _this = this;		return $.map(events, function(event) {			return _this.eventToSegs(event, intervalStart, intervalEnd); // $.map flattens all returned arrays together		});	},	// Slices a single event into an array of event segments.	// When `intervalStart` and `intervalEnd` are specified, intersect the events with that interval.	// Otherwise, let the subclass decide how it wants to slice the segments over the grid.	eventToSegs: function(event, intervalStart, intervalEnd) {		var eventStart = event.start.clone().stripZone(); // normalize		var eventEnd = this.view.calendar.getEventEnd(event).stripZone(); // compute (if necessary) and normalize		var segs;		var i, seg;		if (intervalStart && intervalEnd) {			seg = intersectionToSeg(eventStart, eventEnd, intervalStart, intervalEnd);			segs = seg ? [ seg ] : [];		}		else {			segs = this.rangeToSegs(eventStart, eventEnd); // defined by the subclass		}		// assign extra event-related properties to the segment objects		for (i = 0; i < segs.length; i++) {			seg = segs[i];			seg.event = event;			seg.eventStartMS = +eventStart;			seg.eventDurationMS = eventEnd - eventStart;		}		return segs;	},	/* Handlers	------------------------------------------------------------------------------------------------------------------*/	// Attaches event-element-related handlers to the container element and leverage bubbling	bindSegHandlers: function() {		var _this = this;		var view = this.view;		$.each(			{				mouseenter: function(seg, ev) {					_this.triggerSegMouseover(seg, ev);				},				mouseleave: function(seg, ev) {					_this.triggerSegMouseout(seg, ev);				},				click: function(seg, ev) {					return view.trigger('eventClick', this, seg.event, ev); // can return `false` to cancel				},				mousedown: function(seg, ev) {					if ($(ev.target).is('.fc-resizer') && view.isEventResizable(seg.event)) {						_this.segResizeMousedown(seg, ev);					}					else if (view.isEventDraggable(seg.event)) {						_this.segDragMousedown(seg, ev);					}				}			},			function(name, func) {				// attach the handler to the container element and only listen for real event elements via bubbling				_this.el.on(name, '.fc-event-container > *', function(ev) {					var seg = $(this).data('fc-seg'); // grab segment data. put there by View::renderEvents					// only call the handlers if there is not a drag/resize in progress					if (seg && !_this.isDraggingSeg && !_this.isResizingSeg) {						return func.call(this, seg, ev); // `this` will be the event element					}				});			}		);	},	// Updates internal state and triggers handlers for when an event element is moused over	triggerSegMouseover: function(seg, ev) {		if (!this.mousedOverSeg) {			this.mousedOverSeg = seg;			this.view.trigger('eventMouseover', seg.el[0], seg.event, ev);		}	},	// Updates internal state and triggers handlers for when an event element is moused out.	// Can be given no arguments, in which case it will mouseout the segment that was previously moused over.	triggerSegMouseout: function(seg, ev) {		ev = ev || {}; // if given no args, make a mock mouse event		if (this.mousedOverSeg) {			seg = seg || this.mousedOverSeg; // if given no args, use the currently moused-over segment			this.mousedOverSeg = null;			this.view.trigger('eventMouseout', seg.el[0], seg.event, ev);		}	},	/* Dragging	------------------------------------------------------------------------------------------------------------------*/	// Called when the user does a mousedown on an event, which might lead to dragging.	// Generic enough to work with any type of Grid.	segDragMousedown: function(seg, ev) {		var _this = this;		var view = this.view;		var el = seg.el;		var event = seg.event;		var newStart, newEnd;		// A clone of the original element that will move with the mouse		var mouseFollower = new MouseFollower(seg.el, {			parentEl: view.el,			opacity: view.opt('dragOpacity'),			revertDuration: view.opt('dragRevertDuration'),			zIndex: 2 // one above the .fc-view		});		// Tracks mouse movement over the *view's* coordinate map. Allows dragging and dropping between subcomponents		// of the view.		var dragListener = new DragListener(view.coordMap, {			distance: 5,			scroll: view.opt('dragScroll'),			listenStart: function(ev) {				mouseFollower.hide(); // don't show until we know this is a real drag				mouseFollower.start(ev);			},			dragStart: function(ev) {				_this.triggerSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported				_this.isDraggingSeg = true;				view.hideEvent(event); // hide all event segments. our mouseFollower will take over				view.trigger('eventDragStart', el[0], event, ev, {}); // last argument is jqui dummy			},			cellOver: function(cell, date) {				var origDate = seg.cellDate || dragListener.origDate;				var res = _this.computeDraggedEventDates(seg, origDate, date);				newStart = res.start;				newEnd = res.end;				if (view.renderDrag(newStart, newEnd, seg)) { // have the view render a visual indication					mouseFollower.hide(); // if the view is already using a mock event "helper", hide our own				}				else {					mouseFollower.show();				}			},			cellOut: function() { // called before mouse moves to a different cell OR moved out of all cells				newStart = null;				view.destroyDrag(); // unrender whatever was done in view.renderDrag				mouseFollower.show(); // show in case we are moving out of all cells			},			dragStop: function(ev) {				var hasChanged = newStart && !newStart.isSame(event.start);				// do revert animation if hasn't changed. calls a callback when finished (whether animation or not)				mouseFollower.stop(!hasChanged, function() {					_this.isDraggingSeg = false;					view.destroyDrag();					view.showEvent(event);					view.trigger('eventDragStop', el[0], event, ev, {}); // last argument is jqui dummy					if (hasChanged) {						view.eventDrop(el[0], event, newStart, ev); // will rerender all events...					}				});			},			listenStop: function() {				mouseFollower.stop(); // put in listenStop in case there was a mousedown but the drag never started			}		});		dragListener.mousedown(ev); // start listening, which will eventually lead to a dragStart	},	// Given a segment, the dates where a drag began and ended, calculates the Event Object's new start and end dates	computeDraggedEventDates: function(seg, dragStartDate, dropDate) {		var view = this.view;		var event = seg.event;		var start = event.start;		var end = view.calendar.getEventEnd(event);		var delta;		var newStart;		var newEnd;		if (dropDate.hasTime() === dragStartDate.hasTime()) {			delta = dayishDiff(dropDate, dragStartDate);			newStart = start.clone().add(delta);			if (event.end === null) { // do we need to compute an end?				newEnd = null;			}			else {				newEnd = end.clone().add(delta);			}		}		else {			// if switching from day <-> timed, start should be reset to the dropped date, and the end cleared			newStart = dropDate;			newEnd = null; // end should be cleared		}		return { start: newStart, end: newEnd };	},	/* Resizing	------------------------------------------------------------------------------------------------------------------*/	// Called when the user does a mousedown on an event's resizer, which might lead to resizing.	// Generic enough to work with any type of Grid.	segResizeMousedown: function(seg, ev) {		var _this = this;		var view = this.view;		var el = seg.el;		var event = seg.event;		var start = event.start;		var end = view.calendar.getEventEnd(event);		var newEnd = null;		var dragListener;		function destroy() { // resets the rendering			_this.destroyResize();			view.showEvent(event);		}		// Tracks mouse movement over the *grid's* coordinate map		dragListener = new DragListener(this.coordMap, {			distance: 5,			scroll: view.opt('dragScroll'),			dragStart: function(ev) {				_this.triggerSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported				_this.isResizingSeg = true;				view.trigger('eventResizeStart', el[0], event, ev, {}); // last argument is jqui dummy			},			cellOver: function(cell, date) {				// compute the new end. don't allow it to go before the event's start				if (date.isBefore(start)) { // allows comparing ambig to non-ambig					date = start;				}				newEnd = date.clone().add(_this.cellDuration); // make it an exclusive end				if (newEnd.isSame(end)) {					newEnd = null;					destroy();				}				else {					_this.renderResize(start, newEnd, seg);					view.hideEvent(event);				}			},			cellOut: function() { // called before mouse moves to a different cell OR moved out of all cells				newEnd = null;				destroy();			},			dragStop: function(ev) {				_this.isResizingSeg = false;				destroy();				view.trigger('eventResizeStop', el[0], event, ev, {}); // last argument is jqui dummy				if (newEnd) {					view.eventResize(el[0], event, newEnd, ev); // will rerender all events...				}			}		});		dragListener.mousedown(ev); // start listening, which will eventually lead to a dragStart	},	/* Rendering Utils	------------------------------------------------------------------------------------------------------------------*/	// Generic utility for generating the HTML classNames for an event segment's element	getSegClasses: function(seg, isDraggable, isResizable) {		var event = seg.event;		var classes = [			'fc-event',			seg.isStart ? 'fc-start' : 'fc-not-start',			seg.isEnd ? 'fc-end' : 'fc-not-end'		].concat(			event.className,			event.source ? event.source.className : []		);		if (isDraggable) {			classes.push('fc-draggable');		}		if (isResizable) {			classes.push('fc-resizable');		}		return classes;	},	// Utility for generating a CSS string with all the event skin-related properties	getEventSkinCss: function(event) {		var view = this.view;		var source = event.source || {};		var eventColor = event.color;		var sourceColor = source.color;		var optionColor = view.opt('eventColor');		var backgroundColor =			event.backgroundColor ||			eventColor ||			source.backgroundColor ||			sourceColor ||			view.opt('eventBackgroundColor') ||			optionColor;		var borderColor =			event.borderColor ||			eventColor ||			source.borderColor ||			sourceColor ||			view.opt('eventBorderColor') ||			optionColor;		var textColor =			event.textColor ||			source.textColor ||			view.opt('eventTextColor');		var statements = [];		if (backgroundColor) {			statements.push('background-color:' + backgroundColor);		}		if (borderColor) {			statements.push('border-color:' + borderColor);		}		if (textColor) {			statements.push('color:' + textColor);		}		return statements.join(';');	}});/* Event Segment Utilities----------------------------------------------------------------------------------------------------------------------*/// A cmp function for determining which segments should take visual priorityfunction compareSegs(seg1, seg2) {	return seg1.eventStartMS - seg2.eventStartMS || // earlier events go first		seg2.eventDurationMS - seg1.eventDurationMS || // tie? longer events go first		seg2.event.allDay - seg1.event.allDay || // tie? put all-day events first (booleans cast to 0/1)		(seg1.event.title || '').localeCompare(seg2.event.title); // tie? alphabetically by title};;/* A component that renders a grid of whole-days that runs horizontally. There can be multiple rows, one per week.----------------------------------------------------------------------------------------------------------------------*/function DayGrid(view) {	Grid.call(this, view); // call the super-constructor}DayGrid.prototype = createObject(Grid.prototype); // declare the super-class$.extend(DayGrid.prototype, {	numbersVisible: false, // should render a row for day/week numbers? manually set by the view	cellDuration: moment.duration({ days: 1 }), // required for Grid.event.js. Each cell is always a single day	bottomCoordPadding: 0, // hack for extending the hit area for the last row of the coordinate grid	rowEls: null, // set of fake row elements	dayEls: null, // set of whole-day elements comprising the row's background	helperEls: null, // set of cell skeleton elements for rendering the mock event "helper"	highlightEls: null, // set of cell skeleton elements for rendering the highlight	// Renders the rows and columns into the component's `this.el`, which should already be assigned.	// isRigid determins whether the individual rows should ignore the contents and be a constant height.	// Relies on the view's colCnt and rowCnt. In the future, this component should probably be self-sufficient.	render: function(isRigid) {		var view = this.view;		var html = '';		var row;		for (row = 0; row < view.rowCnt; row++) {			html += this.dayRowHtml(row, isRigid);		}		this.el.html(html);		this.rowEls = this.el.find('.fc-row');		this.dayEls = this.el.find('.fc-day');		// run all the day cells through the dayRender callback		this.dayEls.each(function(i, node) {			var date = view.cellToDate(Math.floor(i / view.colCnt), i % view.colCnt);			view.trigger('dayRender', null, date, $(node));		});		Grid.prototype.render.call(this); // call the super-method	},	destroy: function() {		this.destroySegPopover();	},	// Generates the HTML for a single row. `row` is the row number.	dayRowHtml: function(row, isRigid) {		var view = this.view;		var classes = [ 'fc-row', 'fc-week', view.widgetContentClass ];		if (isRigid) {			classes.push('fc-rigid');		}		return '' +			'<div class="' + classes.join(' ') + '">' +				'<div class="fc-bg">' +					'<table>' +						this.rowHtml('day', row) + // leverages RowRenderer. calls dayCellHtml()					'</table>' +				'</div>' +				'<div class="fc-content-skeleton">' +					'<table>' +						(this.numbersVisible ?							'<thead>' +								this.rowHtml('number', row) + // leverages RowRenderer. View will define render method							'</thead>' :							''							) +					'</table>' +				'</div>' +			'</div>';	},	// Renders the HTML for a whole-day cell. Will eventually end up in the day-row's background.	// We go through a 'day' row type instead of just doing a 'bg' row type so that the View can do custom rendering	// specifically for whole-day rows, whereas a 'bg' might also be used for other purposes (TimeGrid bg for example).	dayCellHtml: function(row, col, date) {		return this.bgCellHtml(row, col, date);	},	/* Coordinates & Cells	------------------------------------------------------------------------------------------------------------------*/	// Populates the empty `rows` and `cols` arrays with coordinates of the cells. For CoordGrid.	buildCoords: function(rows, cols) {		var colCnt = this.view.colCnt;		var e, n, p;		this.dayEls.slice(0, colCnt).each(function(i, _e) { // iterate the first row of day elements			e = $(_e);			n = e.offset().left;			if (i) {				p[1] = n;			}			p = [ n ];			cols[i] = p;		});		p[1] = n + e.outerWidth();		this.rowEls.each(function(i, _e) {			e = $(_e);			n = e.offset().top;			if (i) {				p[1] = n;			}			p = [ n ];			rows[i] = p;		});		p[1] = n + e.outerHeight() + this.bottomCoordPadding; // hack to extend hit area of last row	},	// Converts a cell to a date	getCellDate: function(cell) {		return this.view.cellToDate(cell); // leverages the View's cell system	},	// Gets the whole-day element associated with the cell	getCellDayEl: function(cell) {		return this.dayEls.eq(cell.row * this.view.colCnt + cell.col);	},	// Converts a range with an inclusive `start` and an exclusive `end` into an array of segment objects	rangeToSegs: function(start, end) {		return this.view.rangeToSegments(start, end); // leverages the View's cell system	},	/* Event Drag Visualization	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event hovering over the given date(s).	// `end` can be null, as well as `seg`. See View's documentation on renderDrag for more info.	// A returned value of `true` signals that a mock "helper" event has been rendered.	renderDrag: function(start, end, seg) {		var opacity;		// always render a highlight underneath		this.renderHighlight(			start,			end || this.view.calendar.getDefaultEventEnd(true, start)		);		// if a segment from the same calendar but another component is being dragged, render a helper event		if (seg && !seg.el.closest(this.el).length) {			this.renderRangeHelper(start, end, seg);			opacity = this.view.opt('dragOpacity');			if (opacity !== undefined) {				this.helperEls.css('opacity', opacity);			}			return true; // a helper has been rendered		}	},	// Unrenders any visual indication of a hovering event	destroyDrag: function() {		this.destroyHighlight();		this.destroyHelper();	},	/* Event Resize Visualization	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event being resized	renderResize: function(start, end, seg) {		this.renderHighlight(start, end);		this.renderRangeHelper(start, end, seg);	},	// Unrenders a visual indication of an event being resized	destroyResize: function() {		this.destroyHighlight();		this.destroyHelper();	},	/* Event Helper	------------------------------------------------------------------------------------------------------------------*/	// Renders a mock "helper" event. `sourceSeg` is the associated internal segment object. It can be null.	renderHelper: function(event, sourceSeg) {		var helperNodes = [];		var rowStructs = this.renderEventRows([ event ]);		// inject each new event skeleton into each associated row		this.rowEls.each(function(row, rowNode) {			var rowEl = $(rowNode); // the .fc-row			var skeletonEl = $('<div class="fc-helper-skeleton"><table/></div>'); // will be absolutely positioned			var skeletonTop;			// If there is an original segment, match the top position. Otherwise, put it at the row's top level			if (sourceSeg && sourceSeg.row === row) {				skeletonTop = sourceSeg.el.position().top;			}			else {				skeletonTop = rowEl.find('.fc-content-skeleton tbody').position().top;			}			skeletonEl.css('top', skeletonTop)				.find('table')					.append(rowStructs[row].tbodyEl);			rowEl.append(skeletonEl);			helperNodes.push(skeletonEl[0]);		});		this.helperEls = $(helperNodes); // array -> jQuery set	},	// Unrenders any visual indication of a mock helper event	destroyHelper: function() {		if (this.helperEls) {			this.helperEls.remove();			this.helperEls = null;		}	},	/* Highlighting	------------------------------------------------------------------------------------------------------------------*/	// Renders an emphasis on the given date range. `start` is an inclusive, `end` is exclusive.	renderHighlight: function(start, end) {		var segs = this.rangeToSegs(start, end);		var highlightNodes = [];		var i, seg;		var el;		// build an event skeleton for each row that needs it		for (i = 0; i < segs.length; i++) {			seg = segs[i];			el = $(				this.highlightSkeletonHtml(seg.leftCol, seg.rightCol + 1) // make end exclusive			);			el.appendTo(this.rowEls[seg.row]);			highlightNodes.push(el[0]);		}		this.highlightEls = $(highlightNodes); // array -> jQuery set	},	// Unrenders any visual emphasis on a date range	destroyHighlight: function() {		if (this.highlightEls) {			this.highlightEls.remove();			this.highlightEls = null;		}	},	// Generates the HTML used to build a single-row "highlight skeleton", a table that frames highlight cells	highlightSkeletonHtml: function(startCol, endCol) {		var colCnt = this.view.colCnt;		var cellHtml = '';		if (startCol > 0) {			cellHtml += '<td colspan="' + startCol + '"/>';		}		if (endCol > startCol) {			cellHtml += '<td colspan="' + (endCol - startCol) + '" class="fc-highlight" />';		}		if (colCnt > endCol) {			cellHtml += '<td colspan="' + (colCnt - endCol) + '"/>';		}		cellHtml = this.bookendCells(cellHtml, 'highlight');		return '' +			'<div class="fc-highlight-skeleton">' +				'<table>' +					'<tr>' +						cellHtml +					'</tr>' +				'</table>' +			'</div>';	}});;;/* Event-rendering methods for the DayGrid class----------------------------------------------------------------------------------------------------------------------*/$.extend(DayGrid.prototype, {	segs: null,	rowStructs: null, // an array of objects, each holding information about a row's event-rendering	// Render the given events onto the Grid and return the rendered segments	renderEvents: function(events) {		var rowStructs = this.rowStructs = this.renderEventRows(events);		var segs = [];		// append to each row's content skeleton		this.rowEls.each(function(i, rowNode) {			$(rowNode).find('.fc-content-skeleton > table').append(				rowStructs[i].tbodyEl			);			segs.push.apply(segs, rowStructs[i].segs);		});		this.segs = segs;	},	// Retrieves all segment objects that have been rendered	getSegs: function() {		return (this.segs || []).concat(			this.popoverSegs || [] // segs rendered in the "more" events popover		);	},	// Removes all rendered event elements	destroyEvents: function() {		var rowStructs;		var rowStruct;		Grid.prototype.destroyEvents.call(this); // call the super-method		rowStructs = this.rowStructs || [];		while ((rowStruct = rowStructs.pop())) {			rowStruct.tbodyEl.remove();		}		this.segs = null;		this.destroySegPopover(); // removes the "more.." events popover	},	// Uses the given events array to generate <tbody> elements that should be appended to each row's content skeleton.	// Returns an array of rowStruct objects (see the bottom of `renderEventRow`).	renderEventRows: function(events) {		var segs = this.eventsToSegs(events);		var rowStructs = [];		var segRows;		var row;		segs = this.renderSegs(segs); // returns a new array with only visible segments		segRows = this.groupSegRows(segs); // group into nested arrays		// iterate each row of segment groupings		for (row = 0; row < segRows.length; row++) {			rowStructs.push(				this.renderEventRow(row, segRows[row])			);		}		return rowStructs;	},	// Builds the HTML to be used for the default element for an individual segment	renderSegHtml: function(seg, disableResizing) {		var view = this.view;		var isRTL = view.opt('isRTL');		var event = seg.event;		var isDraggable = view.isEventDraggable(event);		var isResizable = !disableResizing && event.allDay && seg.isEnd && view.isEventResizable(event);		var classes = this.getSegClasses(seg, isDraggable, isResizable);		var skinCss = this.getEventSkinCss(event);		var timeHtml = '';		var titleHtml;		classes.unshift('fc-day-grid-event');		// Only display a timed events time if it is the starting segment		if (!event.allDay && seg.isStart) {			timeHtml = '<span class="fc-time">' + htmlEscape(view.getEventTimeText(event)) + '</span>';		}		titleHtml =			//'<span class="fc-title">' +			'<span class="fc-title" style="color:white">' + // hcLee 2015 07 15				(htmlEscape(event.title || '') || ' ') + // we always want one line of height			'</span>';				return '<a class="' + classes.join(' ') + '"' +				(event.url ?					' href="' + htmlEscape(event.url) + '"' :					''					) +				(skinCss ?					' style="' + skinCss + '"' :					''					) +			'>' +				//'<div class="fc-content">' +				'<div class="fc-content" style="color:white">' + // hcLee 2015 07 15					(isRTL ?						titleHtml + ' ' + timeHtml : // put a natural space in between						timeHtml + ' ' + titleHtml   //						) +				'</div>' +				(isResizable ?					'<div class="fc-resizer"/>' :					''					) +			'</a>';	},	// Given a row # and an array of segments all in the same row, render a <tbody> element, a skeleton that contains	// the segments. Returns object with a bunch of internal data about how the render was calculated.	renderEventRow: function(row, rowSegs) {		var view = this.view;		var colCnt = view.colCnt;		var segLevels = this.buildSegLevels(rowSegs); // group into sub-arrays of levels		var levelCnt = Math.max(1, segLevels.length); // ensure at least one level		var tbody = $('<tbody/>');		var segMatrix = []; // lookup for which segments are rendered into which level+col cells		var cellMatrix = []; // lookup for all <td> elements of the level+col matrix		var loneCellMatrix = []; // lookup for <td> elements that only take up a single column		var i, levelSegs;		var col;		var tr;		var j, seg;		var td;		// populates empty cells from the current column (`col`) to `endCol`		function emptyCellsUntil(endCol) {			while (col < endCol) {				// try to grab a cell from the level above and extend its rowspan. otherwise, create a fresh cell				td = (loneCellMatrix[i - 1] || [])[col];				if (td) {					td.attr(						'rowspan',						parseInt(td.attr('rowspan') || 1, 10) + 1					);				}				else {					td = $('<td/>');					tr.append(td);				}				cellMatrix[i][col] = td;				loneCellMatrix[i][col] = td;				col++;			}		}		for (i = 0; i < levelCnt; i++) { // iterate through all levels			levelSegs = segLevels[i];			col = 0;			tr = $('<tr/>');			segMatrix.push([]);			cellMatrix.push([]);			loneCellMatrix.push([]);			// levelCnt might be 1 even though there are no actual levels. protect against this.			// this single empty row is useful for styling.			if (levelSegs) {				for (j = 0; j < levelSegs.length; j++) { // iterate through segments in level					seg = levelSegs[j];					emptyCellsUntil(seg.leftCol);					// create a container that occupies or more columns. append the event element.					td = $('<td class="fc-event-container"/>').append(seg.el);					if (seg.leftCol != seg.rightCol) {						td.attr('colspan', seg.rightCol - seg.leftCol + 1);					}					else { // a single-column segment						loneCellMatrix[i][col] = td;					}					while (col <= seg.rightCol) {						cellMatrix[i][col] = td;						segMatrix[i][col] = seg;						col++;					}					tr.append(td);				}			}			emptyCellsUntil(colCnt); // finish off the row			this.bookendCells(tr, 'eventSkeleton');			tbody.append(tr);		}		return { // a "rowStruct"			row: row, // the row number			tbodyEl: tbody,			cellMatrix: cellMatrix,			segMatrix: segMatrix,			segLevels: segLevels,			segs: rowSegs		};	},	// Stacks a flat array of segments, which are all assumed to be in the same row, into subarrays of vertical levels.	buildSegLevels: function(segs) {		var levels = [];		var i, seg;		var j;		// Give preference to elements with certain criteria, so they have		// a chance to be closer to the top.		segs.sort(compareSegs);				for (i = 0; i < segs.length; i++) {			seg = segs[i];			// loop through levels, starting with the topmost, until the segment doesn't collide with other segments			for (j = 0; j < levels.length; j++) {				if (!isDaySegCollision(seg, levels[j])) {					break;				}			}			// `j` now holds the desired subrow index			seg.level = j;			// create new level array if needed and append segment			(levels[j] || (levels[j] = [])).push(seg);		}		// order segments left-to-right. very important if calendar is RTL		for (j = 0; j < levels.length; j++) {			levels[j].sort(compareDaySegCols);		}		return levels;	},	// Given a flat array of segments, return an array of sub-arrays, grouped by each segment's row	groupSegRows: function(segs) {		var view = this.view;		var segRows = [];		var i;		for (i = 0; i < view.rowCnt; i++) {			segRows.push([]);		}		for (i = 0; i < segs.length; i++) {			segRows[segs[i].row].push(segs[i]);		}		return segRows;	}});// Computes whether two segments' columns collide. They are assumed to be in the same row.function isDaySegCollision(seg, otherSegs) {	var i, otherSeg;	for (i = 0; i < otherSegs.length; i++) {		otherSeg = otherSegs[i];		if (			otherSeg.leftCol <= seg.rightCol &&			otherSeg.rightCol >= seg.leftCol		) {			return true;		}	}	return false;}// A cmp function for determining the leftmost eventfunction compareDaySegCols(a, b) {	return a.leftCol - b.leftCol;};;/* Methods relate to limiting the number events for a given day on a DayGrid----------------------------------------------------------------------------------------------------------------------*/$.extend(DayGrid.prototype, {	segPopover: null, // the Popover that holds events that can't fit in a cell. null when not visible	popoverSegs: null, // an array of segment objects that the segPopover holds. null when not visible	destroySegPopover: function() {		if (this.segPopover) {			this.segPopover.hide(); // will trigger destruction of `segPopover` and `popoverSegs`		}	},	// Limits the number of "levels" (vertically stacking layers of events) for each row of the grid.	// `levelLimit` can be false (don't limit), a number, or true (should be computed).	limitRows: function(levelLimit) {		var rowStructs = this.rowStructs || [];		var row; // row #		var rowLevelLimit;		for (row = 0; row < rowStructs.length; row++) {			this.unlimitRow(row);			if (!levelLimit) {				rowLevelLimit = false;			}			else if (typeof levelLimit === 'number') {				rowLevelLimit = levelLimit;			}			else {				rowLevelLimit = this.computeRowLevelLimit(row);			}			if (rowLevelLimit !== false) {				this.limitRow(row, rowLevelLimit);			}		}	},	// Computes the number of levels a row will accomodate without going outside its bounds.	// Assumes the row is "rigid" (maintains a constant height regardless of what is inside).	// `row` is the row number.	computeRowLevelLimit: function(row) {		var rowEl = this.rowEls.eq(row); // the containing "fake" row div		var rowHeight = rowEl.height(); // TODO: cache somehow?		var trEls = this.rowStructs[row].tbodyEl.children();		var i, trEl;		// Reveal one level <tr> at a time and stop when we find one out of bounds		for (i = 0; i < trEls.length; i++) {			trEl = trEls.eq(i).removeClass('fc-limited'); // get and reveal			if (trEl.position().top + trEl.outerHeight() > rowHeight) {				return i;			}		}		return false; // should not limit at all	},	// Limits the given grid row to the maximum number of levels and injects "more" links if necessary.	// `row` is the row number.	// `levelLimit` is a number for the maximum (inclusive) number of levels allowed.	limitRow: function(row, levelLimit) {		var _this = this;		var view = this.view;		var rowStruct = this.rowStructs[row];		var moreNodes = []; // array of "more" <a> links and <td> DOM nodes		var col = 0; // col #		var cell;		var levelSegs; // array of segment objects in the last allowable level, ordered left-to-right		var cellMatrix; // a matrix (by level, then column) of all <td> jQuery elements in the row		var limitedNodes; // array of temporarily hidden level <tr> and segment <td> DOM nodes		var i, seg;		var segsBelow; // array of segment objects below `seg` in the current `col`		var totalSegsBelow; // total number of segments below `seg` in any of the columns `seg` occupies		var colSegsBelow; // array of segment arrays, below seg, one for each column (offset from segs's first column)		var td, rowspan;		var segMoreNodes; // array of "more" <td> cells that will stand-in for the current seg's cell		var j;		var moreTd, moreWrap, moreLink;		// Iterates through empty level cells and places "more" links inside if need be		function emptyCellsUntil(endCol) { // goes from current `col` to `endCol`			while (col < endCol) {				cell = { row: row, col: col };				segsBelow = _this.getCellSegs(cell, levelLimit);				if (segsBelow.length) {					td = cellMatrix[levelLimit - 1][col];					moreLink = _this.renderMoreLink(cell, segsBelow);					moreWrap = $('<div/>').append(moreLink);					td.append(moreWrap);					moreNodes.push(moreWrap[0]);				}				col++;			}		}		if (levelLimit && levelLimit < rowStruct.segLevels.length) { // is it actually over the limit?			levelSegs = rowStruct.segLevels[levelLimit - 1];			cellMatrix = rowStruct.cellMatrix;			limitedNodes = rowStruct.tbodyEl.children().slice(levelLimit) // get level <tr> elements past the limit				.addClass('fc-limited').get(); // hide elements and get a simple DOM-nodes array			// iterate though segments in the last allowable level			for (i = 0; i < levelSegs.length; i++) {				seg = levelSegs[i];				emptyCellsUntil(seg.leftCol); // process empty cells before the segment				// determine *all* segments below `seg` that occupy the same columns				colSegsBelow = [];				totalSegsBelow = 0;				while (col <= seg.rightCol) {					cell = { row: row, col: col };					segsBelow = this.getCellSegs(cell, levelLimit);					colSegsBelow.push(segsBelow);					totalSegsBelow += segsBelow.length;					col++;				}				if (totalSegsBelow) { // do we need to replace this segment with one or many "more" links?					td = cellMatrix[levelLimit - 1][seg.leftCol]; // the segment's parent cell					rowspan = td.attr('rowspan') || 1;					segMoreNodes = [];					// make a replacement <td> for each column the segment occupies. will be one for each colspan					for (j = 0; j < colSegsBelow.length; j++) {						moreTd = $('<td class="fc-more-cell"/>').attr('rowspan', rowspan);						segsBelow = colSegsBelow[j];						cell = { row: row, col: seg.leftCol + j };						moreLink = this.renderMoreLink(cell, [ seg ].concat(segsBelow)); // count seg as hidden too						moreWrap = $('<div/>').append(moreLink);						moreTd.append(moreWrap);						segMoreNodes.push(moreTd[0]);						moreNodes.push(moreTd[0]);					}					td.addClass('fc-limited').after($(segMoreNodes)); // hide original <td> and inject replacements					limitedNodes.push(td[0]);				}			}			emptyCellsUntil(view.colCnt); // finish off the level			rowStruct.moreEls = $(moreNodes); // for easy undoing later			rowStruct.limitedEls = $(limitedNodes); // for easy undoing later		}	},	// Reveals all levels and removes all "more"-related elements for a grid's row.	// `row` is a row number.	unlimitRow: function(row) {		var rowStruct = this.rowStructs[row];		if (rowStruct.moreEls) {			rowStruct.moreEls.remove();			rowStruct.moreEls = null;		}		if (rowStruct.limitedEls) {			rowStruct.limitedEls.removeClass('fc-limited');			rowStruct.limitedEls = null;		}	},	// Renders an <a> element that represents hidden event element for a cell.	// Responsible for attaching click handler as well.	renderMoreLink: function(cell, hiddenSegs) {		var _this = this;		var view = this.view;		return $('<a class="fc-more"/>')			.text(				this.getMoreLinkText(hiddenSegs.length)			)			.on('click', function(ev) {				var clickOption = view.opt('eventLimitClick');				var date = view.cellToDate(cell);				var moreEl = $(this);				var dayEl = _this.getCellDayEl(cell);				var allSegs = _this.getCellSegs(cell);				// rescope the segments to be within the cell's date				var reslicedAllSegs = _this.resliceDaySegs(allSegs, date);				var reslicedHiddenSegs = _this.resliceDaySegs(hiddenSegs, date);				if (typeof clickOption === 'function') {					// the returned value can be an atomic option					clickOption = view.trigger('eventLimitClick', null, {						date: date,						dayEl: dayEl,						moreEl: moreEl,						segs: reslicedAllSegs,						hiddenSegs: reslicedHiddenSegs					}, ev);				}				if (clickOption === 'popover') {					_this.showSegPopover(date, cell, moreEl, reslicedAllSegs);				}				else if (typeof clickOption === 'string') { // a view name					view.calendar.zoomTo(date, clickOption);				}			});	},	// Reveals the popover that displays all events within a cell	showSegPopover: function(date, cell, moreLink, segs) {		var _this = this;		var view = this.view;		var moreWrap = moreLink.parent(); // the <div> wrapper around the <a>		var topEl; // the element we want to match the top coordinate of		var options;		if (view.rowCnt == 1) {			topEl = this.view.el; // will cause the popover to cover any sort of header		}		else {			topEl = this.rowEls.eq(cell.row); // will align with top of row		}		options = {			className: 'fc-more-popover',			content: this.renderSegPopoverContent(date, segs),			parentEl: this.el,			top: topEl.offset().top,			autoHide: true, // when the user clicks elsewhere, hide the popover			viewportConstrain: view.opt('popoverViewportConstrain'),			hide: function() {				// destroy everything when the popover is hidden				_this.segPopover.destroy();				_this.segPopover = null;				_this.popoverSegs = null;			}		};		// Determine horizontal coordinate.		// We use the moreWrap instead of the <td> to avoid border confusion.		if (view.opt('isRTL')) {			options.right = moreWrap.offset().left + moreWrap.outerWidth() + 1; // +1 to be over cell border		}		else {			options.left = moreWrap.offset().left - 1; // -1 to be over cell border		}		this.segPopover = new Popover(options);		this.segPopover.show();	},	// Builds the inner DOM contents of the segment popover	renderSegPopoverContent: function(date, segs) {		var view = this.view;		var isTheme = view.opt('theme');		var title = date.format(view.opt('dayPopoverFormat'));		var content = $(			'<div class="fc-header ' + view.widgetHeaderClass + '">' +				'<span class="fc-close ' +					(isTheme ? 'ui-icon ui-icon-closethick' : 'fc-icon fc-icon-x') +				'"></span>' +				'<span class="fc-title">' +					htmlEscape(title) +				'</span>' +				'<div class="fc-clear"/>' +			'</div>' +			'<div class="fc-body ' + view.widgetContentClass + '">' +				'<div class="fc-event-container"></div>' +			'</div>'		);		var segContainer = content.find('.fc-event-container');		var i;		// render each seg's `el` and only return the visible segs		segs = this.renderSegs(segs, true); // disableResizing=true		this.popoverSegs = segs;		for (i = 0; i < segs.length; i++) {			// because segments in the popover are not part of a grid coordinate system, provide a hint to any			// grids that want to do drag-n-drop about which cell it came from			segs[i].cellDate = date;			segContainer.append(segs[i].el);		}		return content;	},	// Given the events within an array of segment objects, reslice them to be in a single day	resliceDaySegs: function(segs, dayDate) {		var events = $.map(segs, function(seg) {			return seg.event;		});		var dayStart = dayDate.clone().stripTime();		var dayEnd = dayStart.clone().add(1, 'days');		return this.eventsToSegs(events, dayStart, dayEnd);	},	// Generates the text that should be inside a "more" link, given the number of events it represents	getMoreLinkText: function(num) {		var view = this.view;		var opt = view.opt('eventLimitText');		if (typeof opt === 'function') {			return opt(num);		}		else {			return '+' + num + ' ' + opt;		}	},	// Returns segments within a given cell.	// If `startLevel` is specified, returns only events including and below that level. Otherwise returns all segs.	getCellSegs: function(cell, startLevel) {		var segMatrix = this.rowStructs[cell.row].segMatrix;		var level = startLevel || 0;		var segs = [];		var seg;		while (level < segMatrix.length) {			seg = segMatrix[level][cell.col];			if (seg) {				segs.push(seg);			}			level++;		}		return segs;	}});;;/* A component that renders one or more columns of vertical time slots----------------------------------------------------------------------------------------------------------------------*/function TimeGrid(view) {	Grid.call(this, view); // call the super-constructor}TimeGrid.prototype = createObject(Grid.prototype); // define the super-class$.extend(TimeGrid.prototype, {	slotDuration: null, // duration of a "slot", a distinct time segment on given day, visualized by lines	snapDuration: null, // granularity of time for dragging and selecting	minTime: null, // Duration object that denotes the first visible time of any given day	maxTime: null, // Duration object that denotes the exclusive visible end time of any given day	dayEls: null, // cells elements in the day-row background	slatEls: null, // elements running horizontally across all columns	slatTops: null, // an array of top positions, relative to the container. last item holds bottom of last slot	highlightEl: null, // cell skeleton element for rendering the highlight	helperEl: null, // cell skeleton element for rendering the mock event "helper"	// Renders the time grid into `this.el`, which should already be assigned.	// Relies on the view's colCnt. In the future, this component should probably be self-sufficient.	render: function() {		this.processOptions();		this.el.html(this.renderHtml());		this.dayEls = this.el.find('.fc-day');		this.slatEls = this.el.find('.fc-slats tr');		this.computeSlatTops();		Grid.prototype.render.call(this); // call the super-method	},	// Renders the basic HTML skeleton for the grid	renderHtml: function() {		return '' +			'<div class="fc-bg">' +				'<table>' +					this.rowHtml('slotBg') + // leverages RowRenderer, which will call slotBgCellHtml				'</table>' +			'</div>' +			'<div class="fc-slats">' +				'<table>' +					this.slatRowHtml() +				'</table>' +			'</div>';	},	// Renders the HTML for a vertical background cell behind the slots.	// This method is distinct from 'bg' because we wanted a new `rowType` so the View could customize the rendering.	slotBgCellHtml: function(row, col, date) {		return this.bgCellHtml(row, col, date);	},	// Generates the HTML for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.	slatRowHtml: function() {		var view = this.view;		var calendar = view.calendar;		var isRTL = view.opt('isRTL');		var html = '';		var slotNormal = this.slotDuration.asMinutes() % 15 === 0;		var slotTime = moment.duration(+this.minTime); // wish there was .clone() for durations		var slotDate; // will be on the view's first day, but we only care about its time		var minutes;		var axisHtml;		// Calculate the time for each slot		while (slotTime < this.maxTime) {			slotDate = view.start.clone().time(slotTime); // will be in UTC but that's good. to avoid DST issues			minutes = slotDate.minutes();			axisHtml =				'<td class="fc-axis fc-time ' + view.widgetContentClass + '" ' + view.axisStyleAttr() + '>' +					((!slotNormal || !minutes) ? // if irregular slot duration, or on the hour, then display the time						'<span>' + // for matchCellWidths							htmlEscape(calendar.formatDate(slotDate, view.opt('axisFormat'))) +						'</span>' :						''						) +				'</td>';			html +=				'<tr ' + (!minutes ? '' : 'class="fc-minor"') + '>' +					(!isRTL ? axisHtml : '') +					'<td class="' + view.widgetContentClass + '"/>' +					(isRTL ? axisHtml : '') +				"</tr>";			slotTime.add(this.slotDuration);		}		return html;	},	// Parses various options into properties of this object	processOptions: function() {		var view = this.view;		var slotDuration = view.opt('slotDuration');		var snapDuration = view.opt('snapDuration');		slotDuration = moment.duration(slotDuration);		snapDuration = snapDuration ? moment.duration(snapDuration) : slotDuration;		this.slotDuration = slotDuration;		this.snapDuration = snapDuration;		this.cellDuration = snapDuration; // important to assign this for Grid.events.js		this.minTime = moment.duration(view.opt('minTime'));		this.maxTime = moment.duration(view.opt('maxTime'));	},	// Slices up a date range into a segment for each column	rangeToSegs: function(rangeStart, rangeEnd) {		var view = this.view;		var segs = [];		var seg;		var col;		var cellDate;		var colStart, colEnd;		// normalize		rangeStart = rangeStart.clone().stripZone();		rangeEnd = rangeEnd.clone().stripZone();		for (col = 0; col < view.colCnt; col++) {			cellDate = view.cellToDate(0, col); // use the View's cell system for this			colStart = cellDate.clone().time(this.minTime);			colEnd = cellDate.clone().time(this.maxTime);			seg = intersectionToSeg(rangeStart, rangeEnd, colStart, colEnd);			if (seg) {				seg.col = col;				segs.push(seg);			}		}		return segs;	},	/* Coordinates	------------------------------------------------------------------------------------------------------------------*/	// Called when there is a window resize/zoom and we need to recalculate coordinates for the grid	resize: function() {		this.computeSlatTops();		this.updateSegVerticals();	},	// Populates the given empty `rows` and `cols` arrays with offset positions of the "snap" cells.	// "Snap" cells are different the slots because they might have finer granularity.	buildCoords: function(rows, cols) {		var colCnt = this.view.colCnt;		var originTop = this.el.offset().top;		var snapTime = moment.duration(+this.minTime);		var p = null;		var e, n;		this.dayEls.slice(0, colCnt).each(function(i, _e) {			e = $(_e);			n = e.offset().left;			if (p) {				p[1] = n;			}			p = [ n ];			cols[i] = p;		});		p[1] = n + e.outerWidth();		p = null;		while (snapTime < this.maxTime) {			n = originTop + this.computeTimeTop(snapTime);			if (p) {				p[1] = n;			}			p = [ n ];			rows.push(p);			snapTime.add(this.snapDuration);		}		p[1] = originTop + this.computeTimeTop(snapTime); // the position of the exclusive end	},	// Gets the datetime for the given slot cell	getCellDate: function(cell) {		var view = this.view;		var calendar = view.calendar;		return calendar.rezoneDate( // since we are adding a time, it needs to be in the calendar's timezone			view.cellToDate(0, cell.col) // View's coord system only accounts for start-of-day for column				.time(this.minTime + this.snapDuration * cell.row)		);	},	// Gets the element that represents the whole-day the cell resides on	getCellDayEl: function(cell) {		return this.dayEls.eq(cell.col);	},	// Computes the top coordinate, relative to the bounds of the grid, of the given date.	// A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight.	computeDateTop: function(date, startOfDayDate) {		return this.computeTimeTop(			moment.duration(				date.clone().stripZone() - startOfDayDate.clone().stripTime()			)		);	},	// Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).	computeTimeTop: function(time) {		var slatCoverage = (time - this.minTime) / this.slotDuration; // floating-point value of # of slots covered		var slatIndex;		var slatRemainder;		var slatTop;		var slatBottom;		// constrain. because minTime/maxTime might be customized		slatCoverage = Math.max(0, slatCoverage);		slatCoverage = Math.min(this.slatEls.length, slatCoverage);		slatIndex = Math.floor(slatCoverage); // an integer index of the furthest whole slot		slatRemainder = slatCoverage - slatIndex;		slatTop = this.slatTops[slatIndex]; // the top position of the furthest whole slot		if (slatRemainder) { // time spans part-way into the slot			slatBottom = this.slatTops[slatIndex + 1];			return slatTop + (slatBottom - slatTop) * slatRemainder; // part-way between slots		}		else {			return slatTop;		}	},	// Queries each `slatEl` for its position relative to the grid's container and stores it in `slatTops`.	// Includes the the bottom of the last slat as the last item in the array.	computeSlatTops: function() {		var tops = [];		var top;		this.slatEls.each(function(i, node) {			top = $(node).position().top;			tops.push(top);		});		tops.push(top + this.slatEls.last().outerHeight()); // bottom of the last slat		this.slatTops = tops;	},	/* Event Drag Visualization	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event being dragged over the specified date(s).	// `end` and `seg` can be null. See View's documentation on renderDrag for more info.	renderDrag: function(start, end, seg) {		var opacity;		if (seg) { // if there is event information for this drag, render a helper event			this.renderRangeHelper(start, end, seg);			opacity = this.view.opt('dragOpacity');			if (opacity !== undefined) {				this.helperEl.css('opacity', opacity);			}			return true; // signal that a helper has been rendered		}		else {			// otherwise, just render a highlight			this.renderHighlight(				start,				end || this.view.calendar.getDefaultEventEnd(false, start)			);		}	},	// Unrenders any visual indication of an event being dragged	destroyDrag: function() {		this.destroyHelper();		this.destroyHighlight();	},	/* Event Resize Visualization	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event being resized	renderResize: function(start, end, seg) {		this.renderRangeHelper(start, end, seg);	},	// Unrenders any visual indication of an event being resized	destroyResize: function() {		this.destroyHelper();	},	/* Event Helper	------------------------------------------------------------------------------------------------------------------*/	// Renders a mock "helper" event. `sourceSeg` is the original segment object and might be null (an external drag)	renderHelper: function(event, sourceSeg) {		var res = this.renderEventTable([ event ]);		var tableEl = res.tableEl;		var segs = res.segs;		var i, seg;		var sourceEl;		// Try to make the segment that is in the same row as sourceSeg look the same		for (i = 0; i < segs.length; i++) {			seg = segs[i];			if (sourceSeg && sourceSeg.col === seg.col) {				sourceEl = sourceSeg.el;				seg.el.css({					left: sourceEl.css('left'),					right: sourceEl.css('right'),					'margin-left': sourceEl.css('margin-left'),					'margin-right': sourceEl.css('margin-right')				});			}		}		this.helperEl = $('<div class="fc-helper-skeleton"/>')			.append(tableEl)				.appendTo(this.el);	},	// Unrenders any mock helper event	destroyHelper: function() {		if (this.helperEl) {			this.helperEl.remove();			this.helperEl = null;		}	},	/* Selection	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of a selection. Overrides the default, which was to simply render a highlight.	renderSelection: function(start, end) {		if (this.view.opt('selectHelper')) { // this setting signals that a mock helper event should be rendered			this.renderRangeHelper(start, end);		}		else {			this.renderHighlight(start, end);		}	},	// Unrenders any visual indication of a selection	destroySelection: function() {		this.destroyHelper();		this.destroyHighlight();	},	/* Highlight	------------------------------------------------------------------------------------------------------------------*/	// Renders an emphasis on the given date range. `start` is inclusive. `end` is exclusive.	renderHighlight: function(start, end) {		this.highlightEl = $(			this.highlightSkeletonHtml(start, end)		).appendTo(this.el);	},	// Unrenders the emphasis on a date range	destroyHighlight: function() {		if (this.highlightEl) {			this.highlightEl.remove();			this.highlightEl = null;		}	},	// Generates HTML for a table element with containers in each column, responsible for absolutely positioning the	// highlight elements to cover the highlighted slots.	highlightSkeletonHtml: function(start, end) {		var view = this.view;		var segs = this.rangeToSegs(start, end);		var cellHtml = '';		var col = 0;		var i, seg;		var dayDate;		var top, bottom;		for (i = 0; i < segs.length; i++) { // loop through the segments. one per column			seg = segs[i];			// need empty cells beforehand?			if (col < seg.col) {				cellHtml += '<td colspan="' + (seg.col - col) + '"/>';				col = seg.col;			}			// compute vertical position			dayDate = view.cellToDate(0, col);			top = this.computeDateTop(seg.start, dayDate);			bottom = this.computeDateTop(seg.end, dayDate); // the y position of the bottom edge			// generate the cell HTML. bottom becomes negative because it needs to be a CSS value relative to the			// bottom edge of the zero-height container.			cellHtml +=				'<td>' +					'<div class="fc-highlight-container">' +						'<div class="fc-highlight" style="top:' + top + 'px;bottom:-' + bottom + 'px"/>' +					'</div>' +				'</td>';			col++;		}		// need empty cells after the last segment?		if (col < view.colCnt) {			cellHtml += '<td colspan="' + (view.colCnt - col) + '"/>';		}		cellHtml = this.bookendCells(cellHtml, 'highlight');		return '' +			'<div class="fc-highlight-skeleton">' +				'<table>' +					'<tr>' +						cellHtml +					'</tr>' +				'</table>' +			'</div>';	}});;;/* Event-rendering methods for the TimeGrid class----------------------------------------------------------------------------------------------------------------------*/$.extend(TimeGrid.prototype, {	segs: null, // segment objects rendered in the component. null of events haven't been rendered yet	eventSkeletonEl: null, // has cells with event-containers, which contain absolutely positioned event elements	// Renders the events onto the grid and returns an array of segments that have been rendered	renderEvents: function(events) {		var res = this.renderEventTable(events);		this.eventSkeletonEl = $('<div class="fc-content-skeleton"/>').append(res.tableEl);		this.el.append(this.eventSkeletonEl);		this.segs = res.segs;	},	// Retrieves rendered segment objects	getSegs: function() {		return this.segs || [];	},	// Removes all event segment elements from the view	destroyEvents: function() {		Grid.prototype.destroyEvents.call(this); // call the super-method		if (this.eventSkeletonEl) {			this.eventSkeletonEl.remove();			this.eventSkeletonEl = null;		}		this.segs = null;	},	// Renders and returns the <table> portion of the event-skeleton.	// Returns an object with properties 'tbodyEl' and 'segs'.	renderEventTable: function(events) {		var tableEl = $('<table><tr/></table>');		var trEl = tableEl.find('tr');		var segs = this.eventsToSegs(events);		var segCols;		var i, seg;		var col, colSegs;		var containerEl;		segs = this.renderSegs(segs); // returns only the visible segs		segCols = this.groupSegCols(segs); // group into sub-arrays, and assigns 'col' to each seg		this.computeSegVerticals(segs); // compute and assign top/bottom		for (col = 0; col < segCols.length; col++) { // iterate each column grouping			colSegs = segCols[col];			placeSlotSegs(colSegs); // compute horizontal coordinates, z-index's, and reorder the array			containerEl = $('<div class="fc-event-container"/>');			// assign positioning CSS and insert into container			for (i = 0; i < colSegs.length; i++) {				seg = colSegs[i];				seg.el.css(this.generateSegPositionCss(seg));				// if the height is short, add a className for alternate styling				if (seg.bottom - seg.top < 30) {					seg.el.addClass('fc-short');				}				containerEl.append(seg.el);			}			trEl.append($('<td/>').append(containerEl));		}		this.bookendCells(trEl, 'eventSkeleton');		return  {			tableEl: tableEl,			segs: segs		};	},	// Refreshes the CSS top/bottom coordinates for each segment element. Probably after a window resize/zoom.	updateSegVerticals: function() {		var segs = this.segs;		var i;		if (segs) {			this.computeSegVerticals(segs);			for (i = 0; i < segs.length; i++) {				segs[i].el.css(					this.generateSegVerticalCss(segs[i])				);			}		}	},	// For each segment in an array, computes and assigns its top and bottom properties	computeSegVerticals: function(segs) {		var i, seg;		for (i = 0; i < segs.length; i++) {			seg = segs[i];			seg.top = this.computeDateTop(seg.start, seg.start);			seg.bottom = this.computeDateTop(seg.end, seg.start);		}	},	// Renders the HTML for a single event segment's default rendering	renderSegHtml: function(seg, disableResizing) {		var view = this.view;		var event = seg.event;		var isDraggable = view.isEventDraggable(event);		var isResizable = !disableResizing && seg.isEnd && view.isEventResizable(event);		var classes = this.getSegClasses(seg, isDraggable, isResizable);		var skinCss = this.getEventSkinCss(event);		var timeText;		var fullTimeText; // more verbose time text. for the print stylesheet		var startTimeText; // just the start time text		classes.unshift('fc-time-grid-event');		if (view.isMultiDayEvent(event)) { // if the event appears to span more than one day...			// Don't display time text on segments that run entirely through a day.			// That would appear as midnight-midnight and would look dumb.			// Otherwise, display the time text for the *segment's* times (like 6pm-midnight or midnight-10am)			if (seg.isStart || seg.isEnd) {				timeText = view.getEventTimeText(seg.start, seg.end);				fullTimeText = view.getEventTimeText(seg.start, seg.end, 'LT');				startTimeText = view.getEventTimeText(seg.start, null);			}		} else {			// Display the normal time text for the *event's* times			timeText = view.getEventTimeText(event);			fullTimeText = view.getEventTimeText(event, 'LT');			startTimeText = view.getEventTimeText(event.start, null);		}		return '<a class="' + classes.join(' ') + '"' +			(event.url ?				' href="' + htmlEscape(event.url) + '"' :				''				) +			(skinCss ?				' style="' + skinCss + '"' :				''				) +			'>' +				'<div class="fc-content">' +					(timeText ?						'<div class="fc-time"' +						' data-start="' + htmlEscape(startTimeText) + '"' +						' data-full="' + htmlEscape(fullTimeText) + '"' +						'>' +							'<span>' + htmlEscape(timeText) + '</span>' +						'</div>' :						''						) +					(event.title ?						'<div class="fc-title">' +							htmlEscape(event.title) +						'</div>' :						''						) +				'</div>' +				'<div class="fc-bg"/>' +				(isResizable ?					'<div class="fc-resizer"/>' :					''					) +			'</a>';	},	// Generates an object with CSS properties/values that should be applied to an event segment element.	// Contains important positioning-related properties that should be applied to any event element, customized or not.	generateSegPositionCss: function(seg) {		var view = this.view;		var isRTL = view.opt('isRTL');		var shouldOverlap = view.opt('slotEventOverlap');		var backwardCoord = seg.backwardCoord; // the left side if LTR. the right side if RTL. floating-point		var forwardCoord = seg.forwardCoord; // the right side if LTR. the left side if RTL. floating-point		var props = this.generateSegVerticalCss(seg); // get top/bottom first		var left; // amount of space from left edge, a fraction of the total width		var right; // amount of space from right edge, a fraction of the total width		if (shouldOverlap) {			// double the width, but don't go beyond the maximum forward coordinate (1.0)			forwardCoord = Math.min(1, backwardCoord + (forwardCoord - backwardCoord) * 2);		}		if (isRTL) {			left = 1 - forwardCoord;			right = backwardCoord;		}		else {			left = backwardCoord;			right = 1 - forwardCoord;		}		props.zIndex = seg.level + 1; // convert from 0-base to 1-based		props.left = left * 100 + '%';		props.right = right * 100 + '%';		if (shouldOverlap && seg.forwardPressure) {			// add padding to the edge so that forward stacked events don't cover the resizer's icon			props[isRTL ? 'marginLeft' : 'marginRight'] = 10 * 2; // 10 is a guesstimate of the icon's width 		}		return props;	},	// Generates an object with CSS properties for the top/bottom coordinates of a segment element	generateSegVerticalCss: function(seg) {		return {			top: seg.top,			bottom: -seg.bottom // flipped because needs to be space beyond bottom edge of event container		};	},	// Given a flat array of segments, return an array of sub-arrays, grouped by each segment's col	groupSegCols: function(segs) {		var view = this.view;		var segCols = [];		var i;		for (i = 0; i < view.colCnt; i++) {			segCols.push([]);		}		for (i = 0; i < segs.length; i++) {			segCols[segs[i].col].push(segs[i]);		}		return segCols;	}});// Given an array of segments that are all in the same column, sets the backwardCoord and forwardCoord on each.// Also reorders the given array by date!function placeSlotSegs(segs) {	var levels;	var level0;	var i;	segs.sort(compareSegs); // order by date	levels = buildSlotSegLevels(segs);	computeForwardSlotSegs(levels);	if ((level0 = levels[0])) {		for (i = 0; i < level0.length; i++) {			computeSlotSegPressures(level0[i]);		}		for (i = 0; i < level0.length; i++) {			computeSlotSegCoords(level0[i], 0, 0);		}	}}// Builds an array of segments "levels". The first level will be the leftmost tier of segments if the calendar is// left-to-right, or the rightmost if the calendar is right-to-left. Assumes the segments are already ordered by date.function buildSlotSegLevels(segs) {	var levels = [];	var i, seg;	var j;	for (i=0; i<segs.length; i++) {		seg = segs[i];		// go through all the levels and stop on the first level where there are no collisions		for (j=0; j<levels.length; j++) {			if (!computeSlotSegCollisions(seg, levels[j]).length) {				break;			}		}		seg.level = j;		(levels[j] || (levels[j] = [])).push(seg);	}	return levels;}// For every segment, figure out the other segments that are in subsequent// levels that also occupy the same vertical space. Accumulate in seg.forwardSegsfunction computeForwardSlotSegs(levels) {	var i, level;	var j, seg;	var k;	for (i=0; i<levels.length; i++) {		level = levels[i];		for (j=0; j<level.length; j++) {			seg = level[j];			seg.forwardSegs = [];			for (k=i+1; k<levels.length; k++) {				computeSlotSegCollisions(seg, levels[k], seg.forwardSegs);			}		}	}}// Figure out which path forward (via seg.forwardSegs) results in the longest path until// the furthest edge is reached. The number of segments in this path will be seg.forwardPressurefunction computeSlotSegPressures(seg) {	var forwardSegs = seg.forwardSegs;	var forwardPressure = 0;	var i, forwardSeg;	if (seg.forwardPressure === undefined) { // not already computed		for (i=0; i<forwardSegs.length; i++) {			forwardSeg = forwardSegs[i];			// figure out the child's maximum forward path			computeSlotSegPressures(forwardSeg);			// either use the existing maximum, or use the child's forward pressure			// plus one (for the forwardSeg itself)			forwardPressure = Math.max(				forwardPressure,				1 + forwardSeg.forwardPressure			);		}		seg.forwardPressure = forwardPressure;	}}// Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range// from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and// seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left.//// The segment might be part of a "series", which means consecutive segments with the same pressure// who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of// segments behind this one in the current series, and `seriesBackwardCoord` is the starting// coordinate of the first segment in the series.function computeSlotSegCoords(seg, seriesBackwardPressure, seriesBackwardCoord) {	var forwardSegs = seg.forwardSegs;	var i;	if (seg.forwardCoord === undefined) { // not already computed		if (!forwardSegs.length) {			// if there are no forward segments, this segment should butt up against the edge			seg.forwardCoord = 1;		}		else {			// sort highest pressure first			forwardSegs.sort(compareForwardSlotSegs);			// this segment's forwardCoord will be calculated from the backwardCoord of the			// highest-pressure forward segment.			computeSlotSegCoords(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord);			seg.forwardCoord = forwardSegs[0].backwardCoord;		}		// calculate the backwardCoord from the forwardCoord. consider the series		seg.backwardCoord = seg.forwardCoord -			(seg.forwardCoord - seriesBackwardCoord) / // available width for series			(seriesBackwardPressure + 1); // # of segments in the series		// use this segment's coordinates to computed the coordinates of the less-pressurized		// forward segments		for (i=0; i<forwardSegs.length; i++) {			computeSlotSegCoords(forwardSegs[i], 0, seg.forwardCoord);		}	}}// Find all the segments in `otherSegs` that vertically collide with `seg`.// Append into an optionally-supplied `results` array and return.function computeSlotSegCollisions(seg, otherSegs, results) {	results = results || [];	for (var i=0; i<otherSegs.length; i++) {		if (isSlotSegCollision(seg, otherSegs[i])) {			results.push(otherSegs[i]);		}	}	return results;}// Do these segments occupy the same vertical space?function isSlotSegCollision(seg1, seg2) {	return seg1.bottom > seg2.top && seg1.top < seg2.bottom;}// A cmp function for determining which forward segment to rely on more when computing coordinates.function compareForwardSlotSegs(seg1, seg2) {	// put higher-pressure first	return seg2.forwardPressure - seg1.forwardPressure ||		// put segments that are closer to initial edge first (and favor ones with no coords yet)		(seg1.backwardCoord || 0) - (seg2.backwardCoord || 0) ||		// do normal sorting...		compareSegs(seg1, seg2);};;/* An abstract class from which other views inherit from----------------------------------------------------------------------------------------------------------------------*/// Newer methods should be written as prototype methods, not in the monster `View` function at the bottom.View.prototype = {	calendar: null, // owner Calendar object	coordMap: null, // a CoordMap object for converting pixel regions to dates	el: null, // the view's containing element. set by Calendar	// important Moments	start: null, // the date of the very first cell	end: null, // the date after the very last cell	intervalStart: null, // the start of the interval of time the view represents (1st of month for month view)	intervalEnd: null, // the exclusive end of the interval of time the view represents	// used for cell-to-date and date-to-cell calculations	rowCnt: null, // # of weeks	colCnt: null, // # of days displayed in a week	isSelected: false, // boolean whether cells are user-selected or not	// subclasses can optionally use a scroll container	scrollerEl: null, // the element that will most likely scroll when content is too tall	scrollTop: null, // cached vertical scroll value	// classNames styled by jqui themes	widgetHeaderClass: null,	widgetContentClass: null,	highlightStateClass: null,	// document handlers, bound to `this` object	documentMousedownProxy: null,	documentDragStartProxy: null,	// Serves as a "constructor" to suppliment the monster `View` constructor below	init: function() {		var tm = this.opt('theme') ? 'ui' : 'fc';		this.widgetHeaderClass = tm + '-widget-header';		this.widgetContentClass = tm + '-widget-content';		this.highlightStateClass = tm + '-state-highlight';		// save references to `this`-bound handlers		this.documentMousedownProxy = $.proxy(this, 'documentMousedown');		this.documentDragStartProxy = $.proxy(this, 'documentDragStart');	},	// Renders the view inside an already-defined `this.el`.	// Subclasses should override this and then call the super method afterwards.	render: function() {		this.updateSize();		this.trigger('viewRender', this, this, this.el);		// attach handlers to document. do it here to allow for destroy/rerender		$(document)			.on('mousedown', this.documentMousedownProxy)			.on('dragstart', this.documentDragStartProxy); // jqui drag	},	// Clears all view rendering, event elements, and unregisters handlers	destroy: function() {		this.unselect();		this.trigger('viewDestroy', this, this, this.el);		this.destroyEvents();		this.el.empty(); // removes inner contents but leaves the element intact		$(document)			.off('mousedown', this.documentMousedownProxy)			.off('dragstart', this.documentDragStartProxy);	},	// Used to determine what happens when the users clicks next/prev. Given -1 for prev, 1 for next.	// Should apply the delta to `date` (a Moment) and return it.	incrementDate: function(date, delta) {		// subclasses should implement	},	/* Dimensions	------------------------------------------------------------------------------------------------------------------*/	// Refreshes anything dependant upon sizing of the container element of the grid	updateSize: function(isResize) {		if (isResize) {			this.recordScroll();		}		this.updateHeight();		this.updateWidth();	},	// Refreshes the horizontal dimensions of the calendar	updateWidth: function() {		// subclasses should implement	},	// Refreshes the vertical dimensions of the calendar	updateHeight: function() {		var calendar = this.calendar; // we poll the calendar for height information		this.setHeight(			calendar.getSuggestedViewHeight(),			calendar.isHeightAuto()		);	},	// Updates the vertical dimensions of the calendar to the specified height.	// if `isAuto` is set to true, height becomes merely a suggestion and the view should use its "natural" height.	setHeight: function(height, isAuto) {		// subclasses should implement	},	// Given the total height of the view, return the number of pixels that should be used for the scroller.	// Utility for subclasses.	computeScrollerHeight: function(totalHeight) {		var both = this.el.add(this.scrollerEl);		var otherHeight; // cumulative height of everything that is not the scrollerEl in the view (header+borders)		// fuckin IE8/9/10/11 sometimes returns 0 for dimensions. this weird hack was the only thing that worked		both.css({			position: 'relative', // cause a reflow, which will force fresh dimension recalculation			left: -1 // ensure reflow in case the el was already relative. negative is less likely to cause new scroll		});		otherHeight = this.el.outerHeight() - this.scrollerEl.height(); // grab the dimensions		both.css({ position: '', left: '' }); // undo hack		return totalHeight - otherHeight;	},	// Called for remembering the current scroll value of the scroller.	// Should be called before there is a destructive operation (like removing DOM elements) that might inadvertently	// change the scroll of the container.	recordScroll: function() {		if (this.scrollerEl) {			this.scrollTop = this.scrollerEl.scrollTop();		}	},	// Set the scroll value of the scroller to the previously recorded value.	// Should be called after we know the view's dimensions have been restored following some type of destructive	// operation (like temporarily removing DOM elements).	restoreScroll: function() {		if (this.scrollTop !== null) {			this.scrollerEl.scrollTop(this.scrollTop);		}	},	/* Events	------------------------------------------------------------------------------------------------------------------*/	// Renders the events onto the view.	// Should be overriden by subclasses. Subclasses should call the super-method afterwards.	renderEvents: function(events) {		this.segEach(function(seg) {			this.trigger('eventAfterRender', seg.event, seg.event, seg.el);		});		this.trigger('eventAfterAllRender');	},	// Removes event elements from the view.	// Should be overridden by subclasses. Should call this super-method FIRST, then subclass DOM destruction.	destroyEvents: function() {		this.segEach(function(seg) {			this.trigger('eventDestroy', seg.event, seg.event, seg.el);		});	},	// Given an event and the default element used for rendering, returns the element that should actually be used.	// Basically runs events and elements through the eventRender hook.	resolveEventEl: function(event, el) {		var custom = this.trigger('eventRender', event, event, el);		if (custom === false) { // means don't render at all			el = null;		}		else if (custom && custom !== true) {			el = $(custom);		}		return el;	},	// Hides all rendered event segments linked to the given event	showEvent: function(event) {		this.segEach(function(seg) {			seg.el.css('visibility', '');		}, event);	},	// Shows all rendered event segments linked to the given event	hideEvent: function(event) {		this.segEach(function(seg) {			seg.el.css('visibility', 'hidden');		}, event);	},	// Iterates through event segments. Goes through all by default.	// If the optional `event` argument is specified, only iterates through segments linked to that event.	// The `this` value of the callback function will be the view.	segEach: function(func, event) {		var segs = this.getSegs();		var i;		for (i = 0; i < segs.length; i++) {			if (!event || segs[i].event._id === event._id) {				func.call(this, segs[i]);			}		}	},	// Retrieves all the rendered segment objects for the view	getSegs: function() {		// subclasses must implement	},	/* Event Drag Visualization	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event hovering over the specified date.	// `end` is a Moment and might be null.	// `seg` might be null. if specified, it is the segment object of the event being dragged.	//       otherwise, an external event from outside the calendar is being dragged.	renderDrag: function(start, end, seg) {		// subclasses should implement	},	// Unrenders a visual indication of event hovering	destroyDrag: function() {		// subclasses should implement	},	// Handler for accepting externally dragged events being dropped in the view.	// Gets called when jqui's 'dragstart' is fired.	documentDragStart: function(ev, ui) {		var _this = this;		var dropDate = null;		var dragListener;		if (this.opt('droppable')) { // only listen if this setting is on			// listener that tracks mouse movement over date-associated pixel regions			dragListener = new DragListener(this.coordMap, {				cellOver: function(cell, date) {					dropDate = date;					_this.renderDrag(date);				},				cellOut: function() {					dropDate = null;					_this.destroyDrag();				}			});			// gets called, only once, when jqui drag is finished			$(document).one('dragstop', function(ev, ui) {				_this.destroyDrag();				if (dropDate) {					_this.trigger('drop', ev.target, dropDate, ev, ui);				}			});			dragListener.startDrag(ev); // start listening immediately		}	},	/* Selection	------------------------------------------------------------------------------------------------------------------*/	// Selects a date range on the view. `start` and `end` are both Moments.	// `ev` is the native mouse event that begin the interaction.	select: function(start, end, ev) {		this.unselect(ev);		this.renderSelection(start, end);		this.reportSelection(start, end, ev);	},	// Renders a visual indication of the selection	renderSelection: function(start, end) {		// subclasses should implement	},	// Called when a new selection is made. Updates internal state and triggers handlers.	reportSelection: function(start, end, ev) {		this.isSelected = true;		this.trigger('select', null, start, end, ev);	},	// Undoes a selection. updates in the internal state and triggers handlers.	// `ev` is the native mouse event that began the interaction.	unselect: function(ev) {		if (this.isSelected) {			this.isSelected = false;			this.destroySelection();			this.trigger('unselect', null, ev);		}	},	// Unrenders a visual indication of selection	destroySelection: function() {		// subclasses should implement	},	// Handler for unselecting when the user clicks something and the 'unselectAuto' setting is on	documentMousedown: function(ev) {		var ignore;		// is there a selection, and has the user made a proper left click?		if (this.isSelected && this.opt('unselectAuto') && isPrimaryMouseButton(ev)) {			// only unselect if the clicked element is not identical to or inside of an 'unselectCancel' element			ignore = this.opt('unselectCancel');			if (!ignore || !$(ev.target).closest(ignore).length) {				this.unselect(ev);			}		}	}};// We are mixing JavaScript OOP design patterns here by putting methods and member variables in the closed scope of the// constructor. Going forward, methods should be part of the prototype.function View(calendar) {	var t = this;		// exports	t.calendar = calendar;	t.opt = opt;	t.trigger = trigger;	t.isEventDraggable = isEventDraggable;	t.isEventResizable = isEventResizable;	t.eventDrop = eventDrop;	t.eventResize = eventResize;		// imports	var reportEventChange = calendar.reportEventChange;		// locals	var options = calendar.options;	var nextDayThreshold = moment.duration(options.nextDayThreshold);	t.init(); // the "constructor" that concerns the prototype methods			function opt(name) {		var v = options[name];		if ($.isPlainObject(v) && !isForcedAtomicOption(name)) {			return smartProperty(v, t.name);		}		return v;	}		function trigger(name, thisObj) {		return calendar.trigger.apply(			calendar,			[name, thisObj || t].concat(Array.prototype.slice.call(arguments, 2), [t])		);	}		/* Event Editable Boolean Calculations	------------------------------------------------------------------------------*/		function isEventDraggable(event) {		var source = event.source || {};		return firstDefined(			event.startEditable,			source.startEditable,			opt('eventStartEditable'),			event.editable,			source.editable,			opt('editable')		);	}			function isEventResizable(event) {		var source = event.source || {};		return firstDefined(			event.durationEditable,			source.durationEditable,			opt('eventDurationEditable'),			event.editable,			source.editable,			opt('editable')		);	}				/* Event Elements	------------------------------------------------------------------------------*/	// Compute the text that should be displayed on an event's element.	// Based off the settings of the view. Possible signatures:	//   .getEventTimeText(event, formatStr)	//   .getEventTimeText(startMoment, endMoment, formatStr)	//   .getEventTimeText(startMoment, null, formatStr)	// `timeFormat` is used but the `formatStr` argument can be used to override.	t.getEventTimeText = function(event, formatStr) {		var start;		var end;		if (typeof event === 'object' && typeof formatStr === 'object') {			// first two arguments are actually moments (or null). shift arguments.			start = event;			end = formatStr;			formatStr = arguments[2];		}		else {			// otherwise, an event object was the first argument			start = event.start;			end = event.end;		}		formatStr = formatStr || opt('timeFormat');		if (end && opt('displayEventEnd')) {			return calendar.formatRange(start, end, formatStr);		}		else {			return calendar.formatDate(start, formatStr);		}	};			/* Event Modification Reporting	---------------------------------------------------------------------------------*/		function eventDrop(el, event, newStart, ev) {		var mutateResult = calendar.mutateEvent(event, newStart, null);		trigger(			'eventDrop',			el,			event,			mutateResult.dateDelta,			function() {				mutateResult.undo();				reportEventChange();			},			ev,			{} // jqui dummy		);		reportEventChange();	}	function eventResize(el, event, newEnd, ev) {		var mutateResult = calendar.mutateEvent(event, null, newEnd);		trigger(			'eventResize',			el,			event,			mutateResult.durationDelta,			function() {				mutateResult.undo();				reportEventChange();			},			ev,			{} // jqui dummy		);		reportEventChange();	}	// ====================================================================================================	// Utilities for day "cells"	// ====================================================================================================	// The "basic" views are completely made up of day cells.	// The "agenda" views have day cells at the top "all day" slot.	// This was the obvious common place to put these utilities, but they should be abstracted out into	// a more meaningful class (like DayEventRenderer).	// ====================================================================================================	// For determining how a given "cell" translates into a "date":	//	// 1. Convert the "cell" (row and column) into a "cell offset" (the # of the cell, cronologically from the first).	//    Keep in mind that column indices are inverted with isRTL. This is taken into account.	//	// 2. Convert the "cell offset" to a "day offset" (the # of days since the first visible day in the view).	//	// 3. Convert the "day offset" into a "date" (a Moment).	//	// The reverse transformation happens when transforming a date into a cell.	// exports	t.isHiddenDay = isHiddenDay;	t.skipHiddenDays = skipHiddenDays;	t.getCellsPerWeek = getCellsPerWeek;	t.dateToCell = dateToCell;	t.dateToDayOffset = dateToDayOffset;	t.dayOffsetToCellOffset = dayOffsetToCellOffset;	t.cellOffsetToCell = cellOffsetToCell;	t.cellToDate = cellToDate;	t.cellToCellOffset = cellToCellOffset;	t.cellOffsetToDayOffset = cellOffsetToDayOffset;	t.dayOffsetToDate = dayOffsetToDate;	t.rangeToSegments = rangeToSegments;	t.isMultiDayEvent = isMultiDayEvent;	// internals	var hiddenDays = opt('hiddenDays') || []; // array of day-of-week indices that are hidden	var isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool)	var cellsPerWeek;	var dayToCellMap = []; // hash from dayIndex -> cellIndex, for one week	var cellToDayMap = []; // hash from cellIndex -> dayIndex, for one week	var isRTL = opt('isRTL');	// initialize important internal variables	(function() {		if (opt('weekends') === false) {			hiddenDays.push(0, 6); // 0=sunday, 6=saturday		}		// Loop through a hypothetical week and determine which		// days-of-week are hidden. Record in both hashes (one is the reverse of the other).		for (var dayIndex=0, cellIndex=0; dayIndex<7; dayIndex++) {			dayToCellMap[dayIndex] = cellIndex;			isHiddenDayHash[dayIndex] = $.inArray(dayIndex, hiddenDays) != -1;			if (!isHiddenDayHash[dayIndex]) {				cellToDayMap[cellIndex] = dayIndex;				cellIndex++;			}		}		cellsPerWeek = cellIndex;		if (!cellsPerWeek) {			throw 'invalid hiddenDays'; // all days were hidden? bad.		}	})();	// Is the current day hidden?	// `day` is a day-of-week index (0-6), or a Moment	function isHiddenDay(day) {		if (moment.isMoment(day)) {			day = day.day();		}		return isHiddenDayHash[day];	}	function getCellsPerWeek() {		return cellsPerWeek;	}	// Incrementing the current day until it is no longer a hidden day, returning a copy.	// If the initial value of `date` is not a hidden day, don't do anything.	// Pass `isExclusive` as `true` if you are dealing with an end date.	// `inc` defaults to `1` (increment one day forward each time)	function skipHiddenDays(date, inc, isExclusive) {		var out = date.clone();		inc = inc || 1;		while (			isHiddenDayHash[(out.day() + (isExclusive ? inc : 0) + 7) % 7]		) {			out.add(inc, 'days');		}		return out;	}	//	// TRANSFORMATIONS: cell -> cell offset -> day offset -> date	//	// cell -> date (combines all transformations)	// Possible arguments:	// - row, col	// - { row:#, col: # }	function cellToDate() {		var cellOffset = cellToCellOffset.apply(null, arguments);		var dayOffset = cellOffsetToDayOffset(cellOffset);		var date = dayOffsetToDate(dayOffset);		return date;	}	// cell -> cell offset	// Possible arguments:	// - row, col	// - { row:#, col:# }	function cellToCellOffset(row, col) {		var colCnt = t.colCnt;		// rtl variables. wish we could pre-populate these. but where?		var dis = isRTL ? -1 : 1;		var dit = isRTL ? colCnt - 1 : 0;		if (typeof row == 'object') {			col = row.col;			row = row.row;		}		var cellOffset = row * colCnt + (col * dis + dit); // column, adjusted for RTL (dis & dit)		return cellOffset;	}	// cell offset -> day offset	function cellOffsetToDayOffset(cellOffset) {		var day0 = t.start.day(); // first date's day of week		cellOffset += dayToCellMap[day0]; // normlize cellOffset to beginning-of-week		return Math.floor(cellOffset / cellsPerWeek) * 7 + // # of days from full weeks			cellToDayMap[ // # of days from partial last week				(cellOffset % cellsPerWeek + cellsPerWeek) % cellsPerWeek // crazy math to handle negative cellOffsets			] -			day0; // adjustment for beginning-of-week normalization	}	// day offset -> date	function dayOffsetToDate(dayOffset) {		return t.start.clone().add(dayOffset, 'days');	}	//	// TRANSFORMATIONS: date -> day offset -> cell offset -> cell	//	// date -> cell (combines all transformations)	function dateToCell(date) {		var dayOffset = dateToDayOffset(date);		var cellOffset = dayOffsetToCellOffset(dayOffset);		var cell = cellOffsetToCell(cellOffset);		return cell;	}	// date -> day offset	function dateToDayOffset(date) {		return date.clone().stripTime().diff(t.start, 'days');	}	// day offset -> cell offset	function dayOffsetToCellOffset(dayOffset) {		var day0 = t.start.day(); // first date's day of week		dayOffset += day0; // normalize dayOffset to beginning-of-week		return Math.floor(dayOffset / 7) * cellsPerWeek + // # of cells from full weeks			dayToCellMap[ // # of cells from partial last week				(dayOffset % 7 + 7) % 7 // crazy math to handle negative dayOffsets			] -			dayToCellMap[day0]; // adjustment for beginning-of-week normalization	}	// cell offset -> cell (object with row & col keys)	function cellOffsetToCell(cellOffset) {		var colCnt = t.colCnt;		// rtl variables. wish we could pre-populate these. but where?		var dis = isRTL ? -1 : 1;		var dit = isRTL ? colCnt - 1 : 0;		var row = Math.floor(cellOffset / colCnt);		var col = ((cellOffset % colCnt + colCnt) % colCnt) * dis + dit; // column, adjusted for RTL (dis & dit)		return {			row: row,			col: col		};	}	//	// Converts a date range into an array of segment objects.	// "Segments" are horizontal stretches of time, sliced up by row.	// A segment object has the following properties:	// - row	// - cols	// - isStart	// - isEnd	//	function rangeToSegments(start, end) {		var rowCnt = t.rowCnt;		var colCnt = t.colCnt;		var segments = []; // array of segments to return		// day offset for given date range		var dayRange = computeDayRange(start, end); // convert to a whole-day range		var rangeDayOffsetStart = dateToDayOffset(dayRange.start);		var rangeDayOffsetEnd = dateToDayOffset(dayRange.end); // an exclusive value		// first and last cell offset for the given date range		// "last" implies inclusivity		var rangeCellOffsetFirst = dayOffsetToCellOffset(rangeDayOffsetStart);		var rangeCellOffsetLast = dayOffsetToCellOffset(rangeDayOffsetEnd) - 1;		// loop through all the rows in the view		for (var row=0; row<rowCnt; row++) {			// first and last cell offset for the row			var rowCellOffsetFirst = row * colCnt;			var rowCellOffsetLast = rowCellOffsetFirst + colCnt - 1;			// get the segment's cell offsets by constraining the range's cell offsets to the bounds of the row			var segmentCellOffsetFirst = Math.max(rangeCellOffsetFirst, rowCellOffsetFirst);			var segmentCellOffsetLast = Math.min(rangeCellOffsetLast, rowCellOffsetLast);			// make sure segment's offsets are valid and in view			if (segmentCellOffsetFirst <= segmentCellOffsetLast) {				// translate to cells				var segmentCellFirst = cellOffsetToCell(segmentCellOffsetFirst);				var segmentCellLast = cellOffsetToCell(segmentCellOffsetLast);				// view might be RTL, so order by leftmost column				var cols = [ segmentCellFirst.col, segmentCellLast.col ].sort();				// Determine if segment's first/last cell is the beginning/end of the date range.				// We need to compare "day offset" because "cell offsets" are often ambiguous and				// can translate to multiple days, and an edge case reveals itself when we the				// range's first cell is hidden (we don't want isStart to be true).				var isStart = cellOffsetToDayOffset(segmentCellOffsetFirst) == rangeDayOffsetStart;				var isEnd = cellOffsetToDayOffset(segmentCellOffsetLast) + 1 == rangeDayOffsetEnd;				                                                   // +1 for comparing exclusively				segments.push({					row: row,					leftCol: cols[0],					rightCol: cols[1],					isStart: isStart,					isEnd: isEnd				});			}		}		return segments;	}	// Returns the date range of the full days the given range visually appears to occupy.	// Returns object with properties `start` (moment) and `end` (moment, exclusive end).	function computeDayRange(start, end) {		var startDay = start.clone().stripTime(); // the beginning of the day the range starts		var endDay;		var endTimeMS;		if (end) {			endDay = end.clone().stripTime(); // the beginning of the day the range exclusively ends			endTimeMS = +end.time(); // # of milliseconds into `endDay`			// If the end time is actually inclusively part of the next day and is equal to or			// beyond the next day threshold, adjust the end to be the exclusive end of `endDay`.			// Otherwise, leaving it as inclusive will cause it to exclude `endDay`.			if (endTimeMS && endTimeMS >= nextDayThreshold) {				endDay.add(1, 'days');			}		}		// If no end was specified, or if it is within `startDay` but not past nextDayThreshold,		// assign the default duration of one day.		if (!end || endDay <= startDay) {			endDay = startDay.clone().add(1, 'days');		}		return { start: startDay, end: endDay };	}	// Does the given event visually appear to occupy more than one day?	function isMultiDayEvent(event) {		var range = computeDayRange(event.start, event.end);		return range.end.diff(range.start, 'days') > 1;	}};;/* An abstract class for the "basic" views, as well as month view. Renders one or more rows of day cells.----------------------------------------------------------------------------------------------------------------------*/// It is a manager for a DayGrid subcomponent, which does most of the heavy lifting.// It is responsible for managing width/height.function BasicView(calendar) {	View.call(this, calendar); // call the super-constructor	this.dayGrid = new DayGrid(this);	this.coordMap = this.dayGrid.coordMap; // the view's date-to-cell mapping is identical to the subcomponent's}BasicView.prototype = createObject(View.prototype); // define the super-class$.extend(BasicView.prototype, {	dayGrid: null, // the main subcomponent that does most of the heavy lifting	dayNumbersVisible: false, // display day numbers on each day cell?	weekNumbersVisible: false, // display week numbers along the side?	weekNumberWidth: null, // width of all the week-number cells running down the side	headRowEl: null, // the fake row element of the day-of-week header	// Renders the view into `this.el`, which should already be assigned.	// rowCnt, colCnt, and dayNumbersVisible have been calculated by a subclass and passed here.	render: function(rowCnt, colCnt, dayNumbersVisible) {		// needed for cell-to-date and date-to-cell calculations in View		this.rowCnt = rowCnt;		this.colCnt = colCnt;		this.dayNumbersVisible = dayNumbersVisible;		this.weekNumbersVisible = this.opt('weekNumbers');		this.dayGrid.numbersVisible = this.dayNumbersVisible || this.weekNumbersVisible;		this.el.addClass('fc-basic-view').html(this.renderHtml());		this.headRowEl = this.el.find('thead .fc-row');		this.scrollerEl = this.el.find('.fc-day-grid-container');		this.dayGrid.coordMap.containerEl = this.scrollerEl; // constrain clicks/etc to the dimensions of the scroller		this.dayGrid.el = this.el.find('.fc-day-grid');		this.dayGrid.render(this.hasRigidRows());		View.prototype.render.call(this); // call the super-method	},	// Make subcomponents ready for cleanup	destroy: function() {		this.dayGrid.destroy();		View.prototype.destroy.call(this); // call the super-method	},	// Builds the HTML skeleton for the view.	// The day-grid component will render inside of a container defined by this HTML.	renderHtml: function() {		return '' +			'<table>' +				'<thead>' +					'<tr>' +						'<td class="' + this.widgetHeaderClass + '">' +							this.dayGrid.headHtml() + // render the day-of-week headers						'</td>' +					'</tr>' +				'</thead>' +				'<tbody>' +					'<tr>' +						'<td class="' + this.widgetContentClass + '">' +							'<div class="fc-day-grid-container">' +								'<div class="fc-day-grid"/>' +							'</div>' +						'</td>' +					'</tr>' +				'</tbody>' +			'</table>';	},	// Generates the HTML that will go before the day-of week header cells.	// Queried by the DayGrid subcomponent when generating rows. Ordering depends on isRTL.	headIntroHtml: function() {		if (this.weekNumbersVisible) {			return '' +				'<th class="fc-week-number ' + this.widgetHeaderClass + '" ' + this.weekNumberStyleAttr() + '>' +					'<span>' + // needed for matchCellWidths						htmlEscape(this.opt('weekNumberTitle')) +					'</span>' +				'</th>';		}	},	// Generates the HTML that will go before content-skeleton cells that display the day/week numbers.	// Queried by the DayGrid subcomponent. Ordering depends on isRTL.	numberIntroHtml: function(row) {		if (this.weekNumbersVisible) {			return '' +				'<td class="fc-week-number" ' + this.weekNumberStyleAttr() + '>' +					'<span>' + // needed for matchCellWidths						this.calendar.calculateWeekNumber(this.cellToDate(row, 0)) +					'</span>' +				'</td>';		}	},	// Generates the HTML that goes before the day bg cells for each day-row.	// Queried by the DayGrid subcomponent. Ordering depends on isRTL.	dayIntroHtml: function() {		if (this.weekNumbersVisible) {			return '<td class="fc-week-number ' + this.widgetContentClass + '" ' +				this.weekNumberStyleAttr() + '></td>';		}	},	// Generates the HTML that goes before every other type of row generated by DayGrid. Ordering depends on isRTL.	// Affects helper-skeleton and highlight-skeleton rows.	introHtml: function() {		if (this.weekNumbersVisible) {			return '<td class="fc-week-number" ' + this.weekNumberStyleAttr() + '></td>';		}	},	// Generates the HTML for the <td>s of the "number" row in the DayGrid's content skeleton.	// The number row will only exist if either day numbers or week numbers are turned on.	numberCellHtml: function(row, col, date) {		var classes;		if (!this.dayNumbersVisible) { // if there are week numbers but not day numbers			return '<td/>'; //  will create an empty space above events :(		}		classes = this.dayGrid.getDayClasses(date);		classes.unshift('fc-day-number');		return '' +			'<td class="' + classes.join(' ') + '" data-date="' + date.format() + '">' +				date.date() +			'</td>';	},	// Generates an HTML attribute string for setting the width of the week number column, if it is known	weekNumberStyleAttr: function() {		if (this.weekNumberWidth !== null) {			return 'style="width:' + this.weekNumberWidth + 'px"';		}		return '';	},	// Determines whether each row should have a constant height	hasRigidRows: function() {		var eventLimit = this.opt('eventLimit');		return eventLimit && typeof eventLimit !== 'number';	},	/* Dimensions	------------------------------------------------------------------------------------------------------------------*/	// Refreshes the horizontal dimensions of the view	updateWidth: function() {		if (this.weekNumbersVisible) {			// Make sure all week number cells running down the side have the same width.			// Record the width for cells created later.			this.weekNumberWidth = matchCellWidths(				this.el.find('.fc-week-number')			);		}	},	// Adjusts the vertical dimensions of the view to the specified values	setHeight: function(totalHeight, isAuto) {		var eventLimit = this.opt('eventLimit');		var scrollerHeight;		// reset all heights to be natural		unsetScroller(this.scrollerEl);		uncompensateScroll(this.headRowEl);		this.dayGrid.destroySegPopover(); // kill the "more" popover if displayed		// is the event limit a constant level number?		if (eventLimit && typeof eventLimit === 'number') {			this.dayGrid.limitRows(eventLimit); // limit the levels first so the height can redistribute after		}		scrollerHeight = this.computeScrollerHeight(totalHeight);		this.setGridHeight(scrollerHeight, isAuto);		// is the event limit dynamically calculated?		if (eventLimit && typeof eventLimit !== 'number') {			this.dayGrid.limitRows(eventLimit); // limit the levels after the grid's row heights have been set		}		if (!isAuto && setPotentialScroller(this.scrollerEl, scrollerHeight)) { // using scrollbars?			compensateScroll(this.headRowEl, getScrollbarWidths(this.scrollerEl));			// doing the scrollbar compensation might have created text overflow which created more height. redo			scrollerHeight = this.computeScrollerHeight(totalHeight);			this.scrollerEl.height(scrollerHeight);			this.restoreScroll();		}	},	// Sets the height of just the DayGrid component in this view	setGridHeight: function(height, isAuto) {		if (isAuto) {			undistributeHeight(this.dayGrid.rowEls); // let the rows be their natural height with no expanding		}		else {			distributeHeight(this.dayGrid.rowEls, height, true); // true = compensate for height-hogging rows		}	},	/* Events	------------------------------------------------------------------------------------------------------------------*/	// Renders the given events onto the view and populates the segments array	renderEvents: function(events) {		this.dayGrid.renderEvents(events);		this.updateHeight(); // must compensate for events that overflow the row		View.prototype.renderEvents.call(this, events); // call the super-method	},	// Retrieves all segment objects that are rendered in the view	getSegs: function() {		return this.dayGrid.getSegs();	},	// Unrenders all event elements and clears internal segment data	destroyEvents: function() {		View.prototype.destroyEvents.call(this); // do this before dayGrid's segs have been cleared		this.recordScroll(); // removing events will reduce height and mess with the scroll, so record beforehand		this.dayGrid.destroyEvents();		// we DON'T need to call updateHeight() because:		// A) a renderEvents() call always happens after this, which will eventually call updateHeight()		// B) in IE8, this causes a flash whenever events are rerendered	},	/* Event Dragging	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event being dragged over the view.	// A returned value of `true` signals that a mock "helper" event has been rendered.	renderDrag: function(start, end, seg) {		return this.dayGrid.renderDrag(start, end, seg);	},	// Unrenders the visual indication of an event being dragged over the view	destroyDrag: function() {		this.dayGrid.destroyDrag();	},	/* Selection	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of a selection	renderSelection: function(start, end) {		this.dayGrid.renderSelection(start, end);	},	// Unrenders a visual indications of a selection	destroySelection: function() {		this.dayGrid.destroySelection();	}});;;/* A month view with day cells running in rows (one-per-week) and columns----------------------------------------------------------------------------------------------------------------------*/setDefaults({	fixedWeekCount: true});fcViews.month = MonthView; // register the viewfunction MonthView(calendar) {	BasicView.call(this, calendar); // call the super-constructor}MonthView.prototype = createObject(BasicView.prototype); // define the super-class$.extend(MonthView.prototype, {	name: 'month',	incrementDate: function(date, delta) {		return date.clone().stripTime().add(delta, 'months').startOf('month');	},	render: function(date) {		var rowCnt;		this.intervalStart = date.clone().stripTime().startOf('month');		this.intervalEnd = this.intervalStart.clone().add(1, 'months');		this.start = this.intervalStart.clone();		this.start = this.skipHiddenDays(this.start); // move past the first week if no visible days		this.start.startOf('week');		this.start = this.skipHiddenDays(this.start); // move past the first invisible days of the week		this.end = this.intervalEnd.clone();		this.end = this.skipHiddenDays(this.end, -1, true); // move in from the last week if no visible days		this.end.add((7 - this.end.weekday()) % 7, 'days'); // move to end of week if not already		this.end = this.skipHiddenDays(this.end, -1, true); // move in from the last invisible days of the week		rowCnt = Math.ceil( // need to ceil in case there are hidden days			this.end.diff(this.start, 'weeks', true) // returnfloat=true		);		if (this.isFixedWeeks()) {			this.end.add(6 - rowCnt, 'weeks');			rowCnt = 6;		}		var oldTitle = this.title; // yo2dh 2014-09-17		this.title = this.calendar.formatDate(this.intervalStart, this.opt('titleFormat'));        if( oldTitle !== this.title ) {            this.trigger( 'changedMonth', this.calendar.getDate() );                                        }		BasicView.prototype.render.call(this, rowCnt, this.getCellsPerWeek(), true); // call the super-method	},	// Overrides the default BasicView behavior to have special multi-week auto-height logic	setGridHeight: function(height, isAuto) {		isAuto = isAuto || this.opt('weekMode') === 'variable'; // LEGACY: weekMode is deprecated		// if auto, make the height of each row the height that it would be if there were 6 weeks		if (isAuto) {			height *= this.rowCnt / 6;		}		distributeHeight(this.dayGrid.rowEls, height, !isAuto); // if auto, don't compensate for height-hogging rows	},	isFixedWeeks: function() {		var weekMode = this.opt('weekMode'); // LEGACY: weekMode is deprecated		if (weekMode) {			return weekMode === 'fixed'; // if any other type of weekMode, assume NOT fixed		}		return this.opt('fixedWeekCount');	}});;;/* A week view with simple day cells running horizontally----------------------------------------------------------------------------------------------------------------------*/// TODO: a WeekView mixin for calculating dates and titlesfcViews.basicWeek = BasicWeekView; // register this viewfunction BasicWeekView(calendar) {	BasicView.call(this, calendar); // call the super-constructor}BasicWeekView.prototype = createObject(BasicView.prototype); // define the super-class$.extend(BasicWeekView.prototype, {	name: 'basicWeek',	incrementDate: function(date, delta) {		return date.clone().stripTime().add(delta, 'weeks').startOf('week');	},	render: function(date) {		this.intervalStart = date.clone().stripTime().startOf('week');		this.intervalEnd = this.intervalStart.clone().add(1, 'weeks');		this.start = this.skipHiddenDays(this.intervalStart);		this.end = this.skipHiddenDays(this.intervalEnd, -1, true);		this.title = this.calendar.formatRange(			this.start,			this.end.clone().subtract(1), // make inclusive by subtracting 1 ms			this.opt('titleFormat'),			' \u2014 ' // emphasized dash		);		BasicView.prototype.render.call(this, 1, this.getCellsPerWeek(), false); // call the super-method	}	});;;/* A view with a single simple day cell----------------------------------------------------------------------------------------------------------------------*/fcViews.basicDay = BasicDayView; // register this viewfunction BasicDayView(calendar) {	BasicView.call(this, calendar); // call the super-constructor}BasicDayView.prototype = createObject(BasicView.prototype); // define the super-class$.extend(BasicDayView.prototype, {	name: 'basicDay',	incrementDate: function(date, delta) {		var out = date.clone().stripTime().add(delta, 'days');		out = this.skipHiddenDays(out, delta < 0 ? -1 : 1);		return out;	},	render: function(date) {		this.start = this.intervalStart = date.clone().stripTime();		this.end = this.intervalEnd = this.start.clone().add(1, 'days');		this.title = this.calendar.formatDate(this.start, this.opt('titleFormat'));		BasicView.prototype.render.call(this, 1, 1, false); // call the super-method	}});;;/* An abstract class for all agenda-related views. Displays one more columns with time slots running vertically.----------------------------------------------------------------------------------------------------------------------*/// Is a manager for the TimeGrid subcomponent and possibly the DayGrid subcomponent (if allDaySlot is on).// Responsible for managing width/height.setDefaults({	allDaySlot: true,	allDayText: 'all-day',	scrollTime: '06:00:00',	slotDuration: '00:30:00',	axisFormat: generateAgendaAxisFormat,	timeFormat: {		agenda: generateAgendaTimeFormat	},	minTime: '00:00:00',	maxTime: '24:00:00',	slotEventOverlap: true});var AGENDA_ALL_DAY_EVENT_LIMIT = 5;function generateAgendaAxisFormat(options, langData) {	return langData.longDateFormat('LT')		.replace(':mm', '(:mm)')		.replace(/(\Wmm)$/, '($1)') // like above, but for foreign langs		.replace(/\s*a$/i, 'a'); // convert AM/PM/am/pm to lowercase. remove any spaces beforehand}function generateAgendaTimeFormat(options, langData) {	return langData.longDateFormat('LT')		.replace(/\s*a$/i, ''); // remove trailing AM/PM}function AgendaView(calendar) {	View.call(this, calendar); // call the super-constructor	this.timeGrid = new TimeGrid(this);	if (this.opt('allDaySlot')) { // should we display the "all-day" area?		this.dayGrid = new DayGrid(this); // the all-day subcomponent of this view		// the coordinate grid will be a combination of both subcomponents' grids		this.coordMap = new ComboCoordMap([			this.dayGrid.coordMap,			this.timeGrid.coordMap		]);	}	else {		this.coordMap = this.timeGrid.coordMap;	}}AgendaView.prototype = createObject(View.prototype); // define the super-class$.extend(AgendaView.prototype, {	timeGrid: null, // the main time-grid subcomponent of this view	dayGrid: null, // the "all-day" subcomponent. if all-day is turned off, this will be null	axisWidth: null, // the width of the time axis running down the side	noScrollRowEls: null, // set of fake row elements that must compensate when scrollerEl has scrollbars	// when the time-grid isn't tall enough to occupy the given height, we render an <hr> underneath	bottomRuleEl: null,	bottomRuleHeight: null,	/* Rendering	------------------------------------------------------------------------------------------------------------------*/	// Renders the view into `this.el`, which has already been assigned.	// `colCnt` has been calculated by a subclass and passed here.	render: function(colCnt) {		// needed for cell-to-date and date-to-cell calculations in View		this.rowCnt = 1;		this.colCnt = colCnt;		this.el.addClass('fc-agenda-view').html(this.renderHtml());		// the element that wraps the time-grid that will probably scroll		this.scrollerEl = this.el.find('.fc-time-grid-container');		this.timeGrid.coordMap.containerEl = this.scrollerEl; // don't accept clicks/etc outside of this		this.timeGrid.el = this.el.find('.fc-time-grid');		this.timeGrid.render();		// the <hr> that sometimes displays under the time-grid		this.bottomRuleEl = $('<hr class="' + this.widgetHeaderClass + '"/>')			.appendTo(this.timeGrid.el); // inject it into the time-grid		if (this.dayGrid) {			this.dayGrid.el = this.el.find('.fc-day-grid');			this.dayGrid.render();			// have the day-grid extend it's coordinate area over the <hr> dividing the two grids			this.dayGrid.bottomCoordPadding = this.dayGrid.el.next('hr').outerHeight();		}		this.noScrollRowEls = this.el.find('.fc-row:not(.fc-scroller *)'); // fake rows not within the scroller		View.prototype.render.call(this); // call the super-method		this.resetScroll(); // do this after sizes have been set	},	// Make subcomponents ready for cleanup	destroy: function() {		this.timeGrid.destroy();		if (this.dayGrid) {			this.dayGrid.destroy();		}		View.prototype.destroy.call(this); // call the super-method	},	// Builds the HTML skeleton for the view.	// The day-grid and time-grid components will render inside containers defined by this HTML.	renderHtml: function() {		return '' +			'<table>' +				'<thead>' +					'<tr>' +						'<td class="' + this.widgetHeaderClass + '">' +							this.timeGrid.headHtml() + // render the day-of-week headers						'</td>' +					'</tr>' +				'</thead>' +				'<tbody>' +					'<tr>' +						'<td class="' + this.widgetContentClass + '">' +							(this.dayGrid ?								'<div class="fc-day-grid"/>' +								'<hr class="' + this.widgetHeaderClass + '"/>' :								''								) +							'<div class="fc-time-grid-container">' +								'<div class="fc-time-grid"/>' +							'</div>' +						'</td>' +					'</tr>' +				'</tbody>' +			'</table>';	},	// Generates the HTML that will go before the day-of week header cells.	// Queried by the TimeGrid subcomponent when generating rows. Ordering depends on isRTL.	headIntroHtml: function() {		var date;		var weekNumber;		var weekTitle;		var weekText;		if (this.opt('weekNumbers')) {			date = this.cellToDate(0, 0);			weekNumber = this.calendar.calculateWeekNumber(date);			weekTitle = this.opt('weekNumberTitle');			if (this.opt('isRTL')) {				weekText = weekNumber + weekTitle;			}			else {				weekText = weekTitle + weekNumber;			}			return '' +				'<th class="fc-axis fc-week-number ' + this.widgetHeaderClass + '" ' + this.axisStyleAttr() + '>' +					'<span>' + // needed for matchCellWidths						htmlEscape(weekText) +					'</span>' +				'</th>';		}		else {			return '<th class="fc-axis ' + this.widgetHeaderClass + '" ' + this.axisStyleAttr() + '></th>';		}	},	// Generates the HTML that goes before the all-day cells.	// Queried by the DayGrid subcomponent when generating rows. Ordering depends on isRTL.	dayIntroHtml: function() {		return '' +			'<td class="fc-axis ' + this.widgetContentClass + '" ' + this.axisStyleAttr() + '>' +				'<span>' + // needed for matchCellWidths					(this.opt('allDayHtml') || htmlEscape(this.opt('allDayText'))) +				'</span>' +			'</td>';	},	// Generates the HTML that goes before the bg of the TimeGrid slot area. Long vertical column.	slotBgIntroHtml: function() {		return '<td class="fc-axis ' + this.widgetContentClass + '" ' + this.axisStyleAttr() + '></td>';	},	// Generates the HTML that goes before all other types of cells.	// Affects content-skeleton, helper-skeleton, highlight-skeleton for both the time-grid and day-grid.	// Queried by the TimeGrid and DayGrid subcomponents when generating rows. Ordering depends on isRTL.	introHtml: function() {		return '<td class="fc-axis" ' + this.axisStyleAttr() + '></td>';	},	// Generates an HTML attribute string for setting the width of the axis, if it is known	axisStyleAttr: function() {		if (this.axisWidth !== null) {			 return 'style="width:' + this.axisWidth + 'px"';		}		return '';	},	/* Dimensions	------------------------------------------------------------------------------------------------------------------*/	updateSize: function(isResize) {		if (isResize) {			this.timeGrid.resize();		}		View.prototype.updateSize.call(this, isResize);	},	// Refreshes the horizontal dimensions of the view	updateWidth: function() {		// make all axis cells line up, and record the width so newly created axis cells will have it		this.axisWidth = matchCellWidths(this.el.find('.fc-axis'));	},	// Adjusts the vertical dimensions of the view to the specified values	setHeight: function(totalHeight, isAuto) {		var eventLimit;		var scrollerHeight;		if (this.bottomRuleHeight === null) {			// calculate the height of the rule the very first time			this.bottomRuleHeight = this.bottomRuleEl.outerHeight();		}		this.bottomRuleEl.hide(); // .show() will be called later if this <hr> is necessary		// reset all dimensions back to the original state		this.scrollerEl.css('overflow', '');		unsetScroller(this.scrollerEl);		uncompensateScroll(this.noScrollRowEls);		// limit number of events in the all-day area		if (this.dayGrid) {			this.dayGrid.destroySegPopover(); // kill the "more" popover if displayed			eventLimit = this.opt('eventLimit');			if (eventLimit && typeof eventLimit !== 'number') {				eventLimit = AGENDA_ALL_DAY_EVENT_LIMIT; // make sure "auto" goes to a real number			}			if (eventLimit) {				this.dayGrid.limitRows(eventLimit);			}		}		if (!isAuto) { // should we force dimensions of the scroll container, or let the contents be natural height?			scrollerHeight = this.computeScrollerHeight(totalHeight);			if (setPotentialScroller(this.scrollerEl, scrollerHeight)) { // using scrollbars?				// make the all-day and header rows lines up				compensateScroll(this.noScrollRowEls, getScrollbarWidths(this.scrollerEl));				// the scrollbar compensation might have changed text flow, which might affect height, so recalculate				// and reapply the desired height to the scroller.				scrollerHeight = this.computeScrollerHeight(totalHeight);				this.scrollerEl.height(scrollerHeight);				this.restoreScroll();			}			else { // no scrollbars				// still, force a height and display the bottom rule (marks the end of day)				this.scrollerEl.height(scrollerHeight).css('overflow', 'hidden'); // in case <hr> goes outside				this.bottomRuleEl.show();			}		}	},	// Sets the scroll value of the scroller to the intial pre-configured state prior to allowing the user to change it.	resetScroll: function() {		var _this = this;		var scrollTime = moment.duration(this.opt('scrollTime'));		var top = this.timeGrid.computeTimeTop(scrollTime);		// zoom can give weird floating-point values. rather scroll a little bit further		top = Math.ceil(top);		if (top) {			top++; // to overcome top border that slots beyond the first have. looks better		}		function scroll() {			_this.scrollerEl.scrollTop(top);		}		scroll();		setTimeout(scroll, 0); // overrides any previous scroll state made by the browser	},	/* Events	------------------------------------------------------------------------------------------------------------------*/	// Renders events onto the view and populates the View's segment array	renderEvents: function(events) {		var dayEvents = [];		var timedEvents = [];		var daySegs = [];		var timedSegs;		var i;		// separate the events into all-day and timed		for (i = 0; i < events.length; i++) {			if (events[i].allDay) {				dayEvents.push(events[i]);			}			else {				timedEvents.push(events[i]);			}		}		// render the events in the subcomponents		timedSegs = this.timeGrid.renderEvents(timedEvents);		if (this.dayGrid) {			daySegs = this.dayGrid.renderEvents(dayEvents);		}		// the all-day area is flexible and might have a lot of events, so shift the height		this.updateHeight();		View.prototype.renderEvents.call(this, events); // call the super-method	},	// Retrieves all segment objects that are rendered in the view	getSegs: function() {		return this.timeGrid.getSegs().concat(			this.dayGrid ? this.dayGrid.getSegs() : []		);	},	// Unrenders all event elements and clears internal segment data	destroyEvents: function() {		View.prototype.destroyEvents.call(this); // do this before the grids' segs have been cleared		// if destroyEvents is being called as part of an event rerender, renderEvents will be called shortly		// after, so remember what the scroll value was so we can restore it.		this.recordScroll();		// destroy the events in the subcomponents		this.timeGrid.destroyEvents();		if (this.dayGrid) {			this.dayGrid.destroyEvents();		}		// we DON'T need to call updateHeight() because:		// A) a renderEvents() call always happens after this, which will eventually call updateHeight()		// B) in IE8, this causes a flash whenever events are rerendered	},	/* Event Dragging	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of an event being dragged over the view.	// A returned value of `true` signals that a mock "helper" event has been rendered.	renderDrag: function(start, end, seg) {		if (start.hasTime()) {			return this.timeGrid.renderDrag(start, end, seg);		}		else if (this.dayGrid) {			return this.dayGrid.renderDrag(start, end, seg);		}	},	// Unrenders a visual indications of an event being dragged over the view	destroyDrag: function() {		this.timeGrid.destroyDrag();		if (this.dayGrid) {			this.dayGrid.destroyDrag();		}	},	/* Selection	------------------------------------------------------------------------------------------------------------------*/	// Renders a visual indication of a selection	renderSelection: function(start, end) {		if (start.hasTime() || end.hasTime()) {			this.timeGrid.renderSelection(start, end);		}		else if (this.dayGrid) {			this.dayGrid.renderSelection(start, end);		}	},	// Unrenders a visual indications of a selection	destroySelection: function() {		this.timeGrid.destroySelection();		if (this.dayGrid) {			this.dayGrid.destroySelection();		}	}});;;/* A week view with an all-day cell area at the top, and a time grid below----------------------------------------------------------------------------------------------------------------------*/// TODO: a WeekView mixin for calculating dates and titlesfcViews.agendaWeek = AgendaWeekView; // register the viewfunction AgendaWeekView(calendar) {	AgendaView.call(this, calendar); // call the super-constructor}AgendaWeekView.prototype = createObject(AgendaView.prototype); // define the super-class$.extend(AgendaWeekView.prototype, {	name: 'agendaWeek',	incrementDate: function(date, delta) {		return date.clone().stripTime().add(delta, 'weeks').startOf('week');	},	render: function(date) {		this.intervalStart = date.clone().stripTime().startOf('week');		this.intervalEnd = this.intervalStart.clone().add(1, 'weeks');		this.start = this.skipHiddenDays(this.intervalStart);		this.end = this.skipHiddenDays(this.intervalEnd, -1, true);		this.title = this.calendar.formatRange(			this.start,			this.end.clone().subtract(1), // make inclusive by subtracting 1 ms			this.opt('titleFormat'),			' \u2014 ' // emphasized dash		);		AgendaView.prototype.render.call(this, this.getCellsPerWeek()); // call the super-method	}});;;/* A day view with an all-day cell area at the top, and a time grid below----------------------------------------------------------------------------------------------------------------------*/fcViews.agendaDay = AgendaDayView; // register the viewfunction AgendaDayView(calendar) {	AgendaView.call(this, calendar); // call the super-constructor}AgendaDayView.prototype = createObject(AgendaView.prototype); // define the super-class$.extend(AgendaDayView.prototype, {	name: 'agendaDay',	incrementDate: function(date, delta) {		var out = date.clone().stripTime().add(delta, 'days');		out = this.skipHiddenDays(out, delta < 0 ? -1 : 1);		return out;	},	render: function(date) {		this.start = this.intervalStart = date.clone().stripTime();		this.end = this.intervalEnd = this.start.clone().add(1, 'days');		this.title = this.calendar.formatDate(this.start, this.opt('titleFormat'));		AgendaView.prototype.render.call(this, 1); // call the super-method	}});;;});
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