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• fullcalendar.js

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net.ftlines.wicket.fullcalendar.res.fullcalendar.js Maven / Gradle / Ivy

/**
 * @preserve
 * FullCalendar v1.5
 * http://arshaw.com/fullcalendar/
 *
 * Use fullcalendar.css for basic styling.
 * For event drag & drop, requires jQuery UI draggable.
 * For event resizing, requires jQuery UI resizable.
 *
 * Copyright (c) 2011 Adam Shaw
 * Dual licensed under the MIT and GPL licenses, located in
 * MIT-LICENSE.txt and GPL-LICENSE.txt respectively.
 *
 * Date: Sat Mar 19 18:59:37 2011 -0700
 *
 */
 
(function($, undefined) {


var defaults = {

	// display
	defaultView: 'month',
	aspectRatio: 1.35,
	header: {
		left: 'title',
		center: '',
		right: 'today prev,next'
	},
	weekends: true,
	
	// editing
	//editable: false,
	//disableDragging: false,
	//disableResizing: false,
	
	allDayDefault: true,
	ignoreTimezone: true,
	
	// event ajax
	lazyFetching: true,
	startParam: 'start',
	endParam: 'end',
	
	// time formats
	titleFormat: {
		month: 'MMMM yyyy',
		week: "MMM d[ yyyy]{ '—'[ MMM] d yyyy}",
		day: 'dddd, MMM d, yyyy'
	},
	columnFormat: {
		month: 'ddd',
		week: 'ddd M/d',
		day: 'dddd M/d'
	},
	timeFormat: { // for event elements
		'': 'h(:mm)t' // default
	},
	
	// locale
	isRTL: false,
	firstDay: 0,
	monthNames: ['January','February','March','April','May','June','July','August','September','October','November','December'],
	monthNamesShort: ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'],
	dayNames: ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'],
	dayNamesShort: ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'],
	buttonText: {
		prev: ' ◄ ',
		next: ' ► ',
		prevYear: ' << ',
		nextYear: ' >> ',
		today: 'today',
		month: 'month',
		week: 'week',
		day: 'day'
	},
	
	// jquery-ui theming
	theme: false,
	buttonIcons: {
		prev: 'circle-triangle-w',
		next: 'circle-triangle-e'
	},
	
	//selectable: false,
	unselectAuto: true,
	
	dropAccept: '*'
	
};

// right-to-left defaults
var rtlDefaults = {
	header: {
		left: 'next,prev today',
		center: '',
		right: 'title'
	},
	buttonText: {
		prev: ' ► ',
		next: ' ◄ ',
		prevYear: ' >> ',
		nextYear: ' << '
	},
	buttonIcons: {
		prev: 'circle-triangle-e',
		next: 'circle-triangle-w'
	}
};



var fc = $.fullCalendar = { version: "1.5" };
var fcViews = fc.views = {};


$.fn.fullCalendar = function(options) {


	// method calling
	if (typeof options == 'string') {
		var args = Array.prototype.slice.call(arguments, 1);
		var res;
		this.each(function() {
			var calendar = $.data(this, 'fullCalendar');
			if (calendar && $.isFunction(calendar[options])) {
				var r = calendar[options].apply(calendar, args);
				if (res === undefined) {
					res = r;
				}
				if (options == 'destroy') {
					$.removeData(this, 'fullCalendar');
				}
			}
		});
		if (res !== undefined) {
			return res;
		}
		return this;
	}
	
	
	// would like to have this logic in EventManager, but needs to happen before options are recursively extended
	var eventSources = options.eventSources || [];
	delete options.eventSources;
	if (options.events) {
		eventSources.push(options.events);
		delete options.events;
	}
	

	options = $.extend(true, {},
		defaults,
		(options.isRTL || options.isRTL===undefined && defaults.isRTL) ? rtlDefaults : {},
		options
	);
	
	
	this.each(function(i, _element) {
		var element = $(_element);
		var calendar = new Calendar(element, options, eventSources);
		element.data('fullCalendar', calendar); // TODO: look into memory leak implications
		calendar.render();
	});
	
	
	return this;
	
};


// function for adding/overriding defaults
function setDefaults(d) {
	$.extend(true, defaults, d);
}



 
function Calendar(element, options, eventSources) {
	var t = this;
	
	
	// exports
	t.options = options;
	t.render = render;
	t.destroy = destroy;
	t.refetchEvents = refetchEvents;
	t.reportEvents = reportEvents;
	t.reportEventChange = reportEventChange;
	t.rerenderEvents = rerenderEvents;
	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.formatDate = function(format, date) { return formatDate(format, date, options) };
	t.formatDates = function(format, date1, date2) { return formatDates(format, date1, date2, options) };
	t.getDate = getDate;
	t.getView = getView;
	t.option = option;
	t.trigger = trigger;
	
	
	// imports
	EventManager.call(t, options, eventSources);
	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 viewInstances = {};
	var elementOuterWidth;
	var suggestedViewHeight;
	var absoluteViewElement;
	var resizeUID = 0;
	var ignoreWindowResize = 0;
	var date = new Date();
	var events = [];
	var _dragElement;
	
	
	
	/* Main Rendering
	-----------------------------------------------------------------------------*/
	
	
	setYMD(date, options.year, options.month, options.date);
	
	
	function render(inc) {
		if (!content) {
			initialRender();
		}else{
			calcSize();
			markSizesDirty();
			markEventsDirty();
			renderView(inc);
		}
	}
	
	
	function initialRender() {
		tm = options.theme ? 'ui' : 'fc';
		element.addClass('fc');
		if (options.isRTL) {
			element.addClass('fc-rtl');
		}
		if (options.theme) {
			element.addClass('ui-widget');
		}
		content = $("
")
			.prependTo(element);
		header = new Header(t, options);
		headerElement = header.render();
		if (headerElement) {
			element.prepend(headerElement);
		}
		changeView(options.defaultView);
		$(window).resize(windowResize);
		// needed for IE in a 0x0 iframe, b/c when it is resized, never triggers a windowResize
		if (!bodyVisible()) {
			lateRender();
		}
	}
	
	
	// called when we know the calendar couldn't be rendered when it was initialized,
	// but we think it's ready now
	function lateRender() {
		setTimeout(function() { // IE7 needs this so dimensions are calculated correctly
			if (!currentView.start && bodyVisible()) { // !currentView.start makes sure this never happens more than once
				renderView();
			}
		},0);
	}
	
	
	function destroy() {
		$(window).unbind('resize', windowResize);
		header.destroy();
		content.remove();
		element.removeClass('fc fc-rtl ui-widget');
	}
	
	
	
	function elementVisible() {
		return _element.offsetWidth !== 0;
	}
	
	
	function bodyVisible() {
		return $('body')[0].offsetWidth !== 0;
	}
	
	
	
	/* View Rendering
	-----------------------------------------------------------------------------*/
	
	// TODO: improve view switching (still weird transition in IE, and FF has whiteout problem)
	
	function changeView(newViewName) {
		if (!currentView || newViewName != currentView.name) {
			ignoreWindowResize++; // because setMinHeight might change the height before render (and subsequently setSize) is reached

			unselect();
			
			var oldView = currentView;
			var newViewElement;
				
			if (oldView) {
				(oldView.beforeHide || noop)(); // called before changing min-height. if called after, scroll state is reset (in Opera)
				setMinHeight(content, content.height());
				oldView.element.hide();
			}else{
				setMinHeight(content, 1); // needs to be 1 (not 0) for IE7, or else view dimensions miscalculated
			}
			content.css('overflow', 'hidden');
			
			currentView = viewInstances[newViewName];
			if (currentView) {
				currentView.element.show();
			}else{
				currentView = viewInstances[newViewName] = new fcViews[newViewName](
					newViewElement = absoluteViewElement =
						$("
")
							.appendTo(content),
					t // the calendar object
				);
			}
			
			if (oldView) {
				header.deactivateButton(oldView.name);
			}
			header.activateButton(newViewName);
			
			renderView(); // after height has been set, will make absoluteViewElement's position=relative, then set to null
			
			content.css('overflow', '');
			if (oldView) {
				setMinHeight(content, 1);
			}
			
			if (!newViewElement) {
				(currentView.afterShow || noop)(); // called after setting min-height/overflow, so in final scroll state (for Opera)
			}
			
			ignoreWindowResize--;
		}
	}
	
	
	
	function renderView(inc) {
		if (elementVisible()) {
			ignoreWindowResize++; // because renderEvents might temporarily change the height before setSize is reached

			unselect();
			
			if (suggestedViewHeight === undefined) {
				calcSize();
			}
			
			var forceEventRender = false;
			if (!currentView.start || inc || date < currentView.start || date >= currentView.end) {
				// view must render an entire new date range (and refetch/render events)
				currentView.render(date, inc || 0); // responsible for clearing events
				setSize(true);
				forceEventRender = true;
			}
			else if (currentView.sizeDirty) {
				// view must resize (and rerender events)
				currentView.clearEvents();
				setSize();
				forceEventRender = true;
			}
			else if (currentView.eventsDirty) {
				currentView.clearEvents();
				forceEventRender = true;
			}
			currentView.sizeDirty = false;
			currentView.eventsDirty = false;
			updateEvents(forceEventRender);
			
			elementOuterWidth = element.outerWidth();
			
			header.updateTitle(currentView.title);
			var today = new Date();
			if (today >= currentView.start && today < currentView.end) {
				header.disableButton('today');
			}else{
				header.enableButton('today');
			}
			
			ignoreWindowResize--;
			currentView.trigger('viewDisplay', _element);
		}
	}
	
	
	
	/* Resizing
	-----------------------------------------------------------------------------*/
	
	
	function updateSize() {
		markSizesDirty();
		if (elementVisible()) {
			calcSize();
			setSize();
			unselect();
			currentView.clearEvents();
			currentView.renderEvents(events);
			currentView.sizeDirty = false;
		}
	}
	
	
	function markSizesDirty() {
		$.each(viewInstances, function(i, inst) {
			inst.sizeDirty = true;
		});
	}
	
	
	function calcSize() {
		if (options.contentHeight) {
			suggestedViewHeight = options.contentHeight;
		}
		else if (options.height) {
			suggestedViewHeight = options.height - (headerElement ? headerElement.height() : 0) - vsides(content);
		}
		else {
			suggestedViewHeight = Math.round(content.width() / Math.max(options.aspectRatio, .5));
		}
	}
	
	
	function setSize(dateChanged) { // todo: dateChanged?
		ignoreWindowResize++;
		currentView.setHeight(suggestedViewHeight, dateChanged);
		if (absoluteViewElement) {
			absoluteViewElement.css('position', 'relative');
			absoluteViewElement = null;
		}
		currentView.setWidth(content.width(), dateChanged);
		ignoreWindowResize--;
	}
	
	
	function windowResize() {
		if (!ignoreWindowResize) {
			if (currentView.start) { // view has already been rendered
				var uid = ++resizeUID;
				setTimeout(function() { // add a delay
					if (uid == resizeUID && !ignoreWindowResize && elementVisible()) {
						if (elementOuterWidth != (elementOuterWidth = element.outerWidth())) {
							ignoreWindowResize++; // in case the windowResize callback changes the height
							updateSize();
							currentView.trigger('windowResize', _element);
							ignoreWindowResize--;
						}
					}
				}, 200);
			}else{
				// calendar must have been initialized in a 0x0 iframe that has just been resized
				lateRender();
			}
		}
	}
	
	
	
	/* Event Fetching/Rendering
	-----------------------------------------------------------------------------*/
	
	
	// fetches events if necessary, rerenders events if necessary (or if forced)
	function updateEvents(forceRender) {
		if (!options.lazyFetching || isFetchNeeded(currentView.visStart, currentView.visEnd)) {
			refetchEvents();
		}
		else if (forceRender) {
			rerenderEvents();
		}
	}
	
	
	function refetchEvents() {
		fetchEvents(currentView.visStart, currentView.visEnd); // will call reportEvents
	}
	
	
	// called when event data arrives
	function reportEvents(_events) {
		events = _events;
		rerenderEvents();
	}
	
	
	// called when a single event's data has been changed
	function reportEventChange(eventID) {
		rerenderEvents(eventID);
	}
	
	
	// attempts to rerenderEvents
	function rerenderEvents(modifiedEventID) {
		markEventsDirty();
		if (elementVisible()) {
			currentView.clearEvents();
			currentView.renderEvents(events, modifiedEventID);
			currentView.eventsDirty = false;
		}
	}
	
	
	function markEventsDirty() {
		$.each(viewInstances, function(i, inst) {
			inst.eventsDirty = true;
		});
	}
	


	/* Selection
	-----------------------------------------------------------------------------*/
	

	function select(start, end, allDay) {
		currentView.select(start, end, allDay===undefined ? true : allDay);
	}
	

	function unselect() { // safe to be called before renderView
		if (currentView) {
			currentView.unselect();
		}
	}
	
	
	
	/* Date
	-----------------------------------------------------------------------------*/
	
	
	function prev() {
		renderView(-1);
	}
	
	
	function next() {
		renderView(1);
	}
	
	
	function prevYear() {
		addYears(date, -1);
		renderView();
	}
	
	
	function nextYear() {
		addYears(date, 1);
		renderView();
	}
	
	
	function today() {
		date = new Date();
		renderView();
	}
	
	
	function gotoDate(year, month, dateOfMonth) {
		if (year instanceof Date) {
			date = cloneDate(year); // provided 1 argument, a Date
		}else{
			setYMD(date, year, month, dateOfMonth);
		}
		renderView();
	}
	
	
	function incrementDate(years, months, days) {
		if (years !== undefined) {
			addYears(date, years);
		}
		if (months !== undefined) {
			addMonths(date, months);
		}
		if (days !== undefined) {
			addDays(date, days);
		}
		renderView();
	}
	
	
	function getDate() {
		return cloneDate(date);
	}
	
	
	
	/* Misc
	-----------------------------------------------------------------------------*/
	
	
	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();
		}
	}
	
	
	function trigger(name, thisObj) {
		if (options[name]) {
			return options[name].apply(
				thisObj || _element,
				Array.prototype.slice.call(arguments, 2)
			);
		}
	}
	
	
	
	/* External Dragging
	------------------------------------------------------------------------*/
	
	if (options.droppable) {
		$(document)
			.bind('dragstart', function(ev, ui) {
				var _e = ev.target;
				var e = $(_e);
				if (!e.parents('.fc').length) { // not already inside a calendar
					var accept = options.dropAccept;
					if ($.isFunction(accept) ? accept.call(_e, e) : e.is(accept)) {
						_dragElement = _e;
						currentView.dragStart(_dragElement, ev, ui);
					}
				}
			})
			.bind('dragstop', function(ev, ui) {
				if (_dragElement) {
					currentView.dragStop(_dragElement, ev, ui);
					_dragElement = null;
				}
			});
	}
	

}

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;
	
	
	// locals
	var element = $([]);
	var tm;
	


	function render() {
		tm = options.theme ? 'ui' : 'fc';
		var sections = options.header;
		if (sections) {
			element = $("")
				.append(
					$("")
						.append(renderSection('left'))
						.append(renderSection('center'))
						.append(renderSection('right'))
				);
			return element;
		}
	}
	
	
	function destroy() {
		element.remove();
	}
	
	
	function renderSection(position) {
		var e = $("";
		for (i=0; i"; // need fc- for setDayID
		}
		s +=
			"" +
			"" +
			"";
		for (i=0; i";
			for (j=0; j" + // need fc- for setDayID
					"
" +
					(showNumbers ?
						"
" :
						''
						) +
					"
" +
					"
 
" +
					"
" +
					"
" +
					"";
			}
			s +=
				"";
		}
		s +=
			"" +
			"
");
		var buttonStr = options.header[position];
		if (buttonStr) {
			$.each(buttonStr.split(' '), function(i) {
				if (i > 0) {
					e.append("");
				}
				var prevButton;
				$.each(this.split(','), function(j, buttonName) {
					if (buttonName == 'title') {
						e.append("
 ");
						if (prevButton) {
							prevButton.addClass(tm + '-corner-right');
						}
						prevButton = null;
					}else{
						var buttonClick;
						if (calendar[buttonName]) {
							buttonClick = calendar[buttonName]; // calendar method
						}
						else if (fcViews[buttonName]) {
							buttonClick = function() {
								button.removeClass(tm + '-state-hover'); // forget why
								calendar.changeView(buttonName);
							};
						}
						if (buttonClick) {
							var icon = options.theme ? smartProperty(options.buttonIcons, buttonName) : null;
							var text = smartProperty(options.buttonText, buttonName);
							var button = $(
								"" +
									"" +
										"" +
											(icon ?
												"" +
													"" +
												"" :
												text
												) +
										"" +
										"" +
									"" +
								""
							);
							if (button) {
								button
									.click(function() {
										if (!button.hasClass(tm + '-state-disabled')) {
											buttonClick();
										}
									})
									.mousedown(function() {
										button
											.not('.' + tm + '-state-active')
											.not('.' + tm + '-state-disabled')
											.addClass(tm + '-state-down');
									})
									.mouseup(function() {
										button.removeClass(tm + '-state-down');
									})
									.hover(
										function() {
											button
												.not('.' + tm + '-state-active')
												.not('.' + tm + '-state-disabled')
												.addClass(tm + '-state-hover');
										},
										function() {
											button
												.removeClass(tm + '-state-hover')
												.removeClass(tm + '-state-down');
										}
									)
									.appendTo(e);
								if (!prevButton) {
									button.addClass(tm + '-corner-left');
								}
								prevButton = button;
							}
						}
					}
				});
				if (prevButton) {
					prevButton.addClass(tm + '-corner-right');
				}
			});
		}
		return e;
	}
	
	
	function updateTitle(html) {
		element.find('h2')
			.html(html);
	}
	
	
	function activateButton(buttonName) {
		element.find('span.fc-button-' + buttonName)
			.addClass(tm + '-state-active');
	}
	
	
	function deactivateButton(buttonName) {
		element.find('span.fc-button-' + buttonName)
			.removeClass(tm + '-state-active');
	}
	
	
	function disableButton(buttonName) {
		element.find('span.fc-button-' + buttonName)
			.addClass(tm + '-state-disabled');
	}
	
	
	function enableButton(buttonName) {
		element.find('span.fc-button-' + buttonName)
			.removeClass(tm + '-state-disabled');
	}


}

fc.sourceNormalizers = [];
fc.sourceFetchers = [];

var ajaxDefaults = {
	dataType: 'json',
	cache: false
};

var eventGUID = 1;


function EventManager(options, _sources) {
	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.normalizeEvent = normalizeEvent;
	
	
	// imports
	var trigger = t.trigger;
	var getView = t.getView;
	var reportEvents = t.reportEvents;
	
	
	// locals
	var stickySource = { events: [] };
	var sources = [ stickySource ];
	var rangeStart, rangeEnd;
	var currentFetchID = 0;
	var pendingSourceCnt = 0;
	var loadingLevel = 0;
	var cache = [];
	
	
	for (var i=0; i<_sources.length; i++) {
		_addEventSource(_sources[i]);
	}
	
	
	
	/* Fetching
	-----------------------------------------------------------------------------*/
	
	
	function isFetchNeeded(start, end) {
		return !rangeStart || start < rangeStart || end > rangeEnd;
	}
	
	
	function fetchEvents(start, end) {
		rangeStart = start;
		rangeEnd = end;
		cache = [];
		var fetchID = ++currentFetchID;
		var len = sources.length;
		pendingSourceCnt = len;
		for (var i=0; i)), return null instead
	return null;
}


function parseISO8601(s, ignoreTimezone) { // ignoreTimezone defaults to false
	// derived from http://delete.me.uk/2005/03/iso8601.html
	// TODO: for a know glitch/feature, read tests/issue_206_parseDate_dst.html
	var m = s.match(/^([0-9]{4})(-([0-9]{2})(-([0-9]{2})([T ]([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?$/);
	if (!m) {
		return null;
	}
	var date = new Date(m[1], 0, 1);
	if (ignoreTimezone || !m[14]) {
		var check = new Date(m[1], 0, 1, 9, 0);
		if (m[3]) {
			date.setMonth(m[3] - 1);
			check.setMonth(m[3] - 1);
		}
		if (m[5]) {
			date.setDate(m[5]);
			check.setDate(m[5]);
		}
		fixDate(date, check);
		if (m[7]) {
			date.setHours(m[7]);
		}
		if (m[8]) {
			date.setMinutes(m[8]);
		}
		if (m[10]) {
			date.setSeconds(m[10]);
		}
		if (m[12]) {
			date.setMilliseconds(Number("0." + m[12]) * 1000);
		}
		fixDate(date, check);
	}else{
		date.setUTCFullYear(
			m[1],
			m[3] ? m[3] - 1 : 0,
			m[5] || 1
		);
		date.setUTCHours(
			m[7] || 0,
			m[8] || 0,
			m[10] || 0,
			m[12] ? Number("0." + m[12]) * 1000 : 0
		);
		var offset = Number(m[16]) * 60 + Number(m[17]);
		offset *= m[15] == '-' ? 1 : -1;
		date = new Date(+date + (offset * 60 * 1000));
	}
	return date;
}


function parseTime(s) { // returns minutes since start of day
	if (typeof s == 'number') { // an hour
		return s * 60;
	}
	if (typeof s == 'object') { // a Date object
		return s.getHours() * 60 + s.getMinutes();
	}
	var m = s.match(/(\d+)(?::(\d+))?\s*(\w+)?/);
	if (m) {
		var h = parseInt(m[1], 10);
		if (m[3]) {
			h %= 12;
			if (m[3].toLowerCase().charAt(0) == 'p') {
				h += 12;
			}
		}
		return h * 60 + (m[2] ? parseInt(m[2], 10) : 0);
	}
}



/* Date Formatting
-----------------------------------------------------------------------------*/
// TODO: use same function formatDate(date, [date2], format, [options])


function formatDate(date, format, options) {
	return formatDates(date, null, format, options);
}


function formatDates(date1, date2, format, options) {
	options = options || defaults;
	var date = date1,
		otherDate = date2,
		i, len = format.length, c,
		i2, formatter,
		res = '';
	for (i=0; ii; i2--) {
				if (formatter = dateFormatters[format.substring(i, i2)]) {
					if (date) {
						res += formatter(date, options);
					}
					i = i2 - 1;
					break;
				}
			}
			if (i2 == i) {
				if (date) {
					res += c;
				}
			}
		}
	}
	return res;
};


var dateFormatters = {
	s	: function(d)	{ return d.getSeconds() },
	ss	: function(d)	{ return zeroPad(d.getSeconds()) },
	m	: function(d)	{ return d.getMinutes() },
	mm	: function(d)	{ return zeroPad(d.getMinutes()) },
	h	: function(d)	{ return d.getHours() % 12 || 12 },
	hh	: function(d)	{ return zeroPad(d.getHours() % 12 || 12) },
	H	: function(d)	{ return d.getHours() },
	HH	: function(d)	{ return zeroPad(d.getHours()) },
	d	: function(d)	{ return d.getDate() },
	dd	: function(d)	{ return zeroPad(d.getDate()) },
	ddd	: function(d,o)	{ return o.dayNamesShort[d.getDay()] },
	dddd: function(d,o)	{ return o.dayNames[d.getDay()] },
	M	: function(d)	{ return d.getMonth() + 1 },
	MM	: function(d)	{ return zeroPad(d.getMonth() + 1) },
	MMM	: function(d,o)	{ return o.monthNamesShort[d.getMonth()] },
	MMMM: function(d,o)	{ return o.monthNames[d.getMonth()] },
	yy	: function(d)	{ return (d.getFullYear()+'').substring(2) },
	yyyy: function(d)	{ return d.getFullYear() },
	t	: function(d)	{ return d.getHours() < 12 ? 'a' : 'p' },
	tt	: function(d)	{ return d.getHours() < 12 ? 'am' : 'pm' },
	T	: function(d)	{ return d.getHours() < 12 ? 'A' : 'P' },
	TT	: function(d)	{ return d.getHours() < 12 ? 'AM' : 'PM' },
	u	: function(d)	{ return formatDate(d, "yyyy-MM-dd'T'HH:mm:ss'Z'") },
	S	: function(d)	{
		var date = d.getDate();
		if (date > 10 && date < 20) {
			return 'th';
		}
		return ['st', 'nd', 'rd'][date%10-1] || 'th';
	}
};



fc.applyAll = applyAll;


/* Event Date Math
-----------------------------------------------------------------------------*/


function exclEndDay(event) {
	if (event.end) {
		return _exclEndDay(event.end, event.allDay);
	}else{
		return addDays(cloneDate(event.start), 1);
	}
}


function _exclEndDay(end, allDay) {
	end = cloneDate(end);
	return allDay || end.getHours() || end.getMinutes() ? addDays(end, 1) : clearTime(end);
}


function segCmp(a, b) {
	return (b.msLength - a.msLength) * 100 + (a.event.start - b.event.start);
}


function segsCollide(seg1, seg2) {
	return seg1.end > seg2.start && seg1.start < seg2.end;
}



/* Event Sorting
-----------------------------------------------------------------------------*/


// event rendering utilities
function sliceSegs(events, visEventEnds, start, end) {
	var segs = [],
		i, len=events.length, event,
		eventStart, eventEnd,
		segStart, segEnd,
		isStart, isEnd;
	for (i=0; i start && eventStart < end) {
			if (eventStart < start) {
				segStart = cloneDate(start);
				isStart = false;
			}else{
				segStart = eventStart;
				isStart = true;
			}
			if (eventEnd > end) {
				segEnd = cloneDate(end);
				isEnd = false;
			}else{
				segEnd = eventEnd;
				isEnd = true;
			}
			segs.push({
				event: event,
				start: segStart,
				end: segEnd,
				isStart: isStart,
				isEnd: isEnd,
				msLength: segEnd - segStart
			});
		}
	} 
	return segs.sort(segCmp);
}


// event rendering calculation utilities
function stackSegs(segs) {
	var levels = [],
		i, len = segs.length, seg,
		j, collide, k;
	for (i=0; i=0; i--) {
		res = obj[parts[i].toLowerCase()];
		if (res !== undefined) {
			return res;
		}
	}
	return obj[''];
}


function htmlEscape(s) {
	return s.replace(/&/g, '&')
		.replace(//g, '>')
		.replace(/'/g, ''')
		.replace(/"/g, '"')
		.replace(/\n/g, '
');
}


function cssKey(_element) {
	return _element.id + '/' + _element.className + '/' + _element.style.cssText.replace(/(^|;)\s*(top|left|width|height)\s*:[^;]*/ig, '');
}


function disableTextSelection(element) {
	element
		.attr('unselectable', 'on')
		.css('MozUserSelect', 'none')
		.bind('selectstart.ui', function() { return false; });
}


/*
function enableTextSelection(element) {
	element
		.attr('unselectable', 'off')
		.css('MozUserSelect', '')
		.unbind('selectstart.ui');
}
*/


function markFirstLast(e) {
	e.children()
		.removeClass('fc-first fc-last')
		.filter(':first-child')
			.addClass('fc-first')
		.end()
		.filter(':last-child')
			.addClass('fc-last');
}


function setDayID(cell, date) {
	cell.each(function(i, _cell) {
		_cell.className = _cell.className.replace(/^fc-\w*/, 'fc-' + dayIDs[date.getDay()]);
		// TODO: make a way that doesn't rely on order of classes
	});
}


function getSkinCss(event, opt) {
	var source = event.source || {};
	var eventColor = event.color;
	var sourceColor = source.color;
	var optionColor = opt('eventColor');
	var backgroundColor =
		event.backgroundColor ||
		eventColor ||
		source.backgroundColor ||
		sourceColor ||
		opt('eventBackgroundColor') ||
		optionColor;
	var borderColor =
		event.borderColor ||
		eventColor ||
		source.borderColor ||
		sourceColor ||
		opt('eventBorderColor') ||
		optionColor;
	var textColor =
		event.textColor ||
		source.textColor ||
		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(';');
}


function applyAll(functions, thisObj, args) {
	if ($.isFunction(functions)) {
		functions = [ functions ];
	}
	if (functions) {
		var i;
		var ret;
		for (i=0; i" +
			"
";
		table = $(s).appendTo(element);
		
		head = table.find('thead');
		headCells = head.find('th');
		body = table.find('tbody');
		bodyRows = body.find('tr');
		bodyCells = body.find('td');
		bodyFirstCells = bodyCells.filter(':first-child');
		bodyCellTopInners = bodyRows.eq(0).find('div.fc-day-content div');
		
		markFirstLast(head.add(head.find('tr'))); // marks first+last tr/th's
		markFirstLast(bodyRows); // marks first+last td's
		bodyRows.eq(0).addClass('fc-first'); // fc-last is done in updateCells
		
		dayBind(bodyCells);
		
		daySegmentContainer =
			$("
")
				.appendTo(element);
	}
	
	
	
	function updateCells(firstTime) {
		var dowDirty = firstTime || rowCnt == 1; // could the cells' day-of-weeks need updating?
		var month = t.start.getMonth();
		var today = clearTime(new Date());
		var cell;
		var date;
		var row;
	
		if (dowDirty) {
			headCells.each(function(i, _cell) {
				cell = $(_cell);
				date = indexDate(i);
				cell.html(formatDate(date, colFormat));
				setDayID(cell, date);
			});
		}
		
		bodyCells.each(function(i, _cell) {
			cell = $(_cell);
			date = indexDate(i);
			if (date.getMonth() == month) {
				cell.removeClass('fc-other-month');
			}else{
				cell.addClass('fc-other-month');
			}
			if (+date == +today) {
				cell.addClass(tm + '-state-highlight fc-today');
			}else{
				cell.removeClass(tm + '-state-highlight fc-today');
			}
			cell.find('div.fc-day-number').text(date.getDate());
			if (dowDirty) {
				setDayID(cell, date);
			}
		});
		
		bodyRows.each(function(i, _row) {
			row = $(_row);
			if (i < rowCnt) {
				row.show();
				if (i == rowCnt-1) {
					row.addClass('fc-last');
				}else{
					row.removeClass('fc-last');
				}
			}else{
				row.hide();
			}
		});
	}
	
	
	
	function setHeight(height) {
		viewHeight = height;
		
		var bodyHeight = viewHeight - head.height();
		var rowHeight;
		var rowHeightLast;
		var cell;
			
		if (opt('weekMode') == 'variable') {
			rowHeight = rowHeightLast = Math.floor(bodyHeight / (rowCnt==1 ? 2 : 6));
		}else{
			rowHeight = Math.floor(bodyHeight / rowCnt);
			rowHeightLast = bodyHeight - rowHeight * (rowCnt-1);
		}
		
		bodyFirstCells.each(function(i, _cell) {
			if (i < rowCnt) {
				cell = $(_cell);
				setMinHeight(
					cell.find('> div'),
					(i==rowCnt-1 ? rowHeightLast : rowHeight) - vsides(cell)
				);
			}
		});
		
	}
	
	
	function setWidth(width) {
		viewWidth = width;
		colContentPositions.clear();
		colWidth = Math.floor(viewWidth / colCnt);
		setOuterWidth(headCells.slice(0, -1), colWidth);
	}
	
	
	
	/* Day clicking and binding
	-----------------------------------------------------------*/
	
	
	function dayBind(days) {
		days.click(dayClick)
			.mousedown(daySelectionMousedown);
	}
	
	
	function dayClick(ev) {
		if (!opt('selectable')) { // if selectable, SelectionManager will worry about dayClick
			var index = parseInt(this.className.match(/fc\-day(\d+)/)[1]); // TODO: maybe use .data
			var date = indexDate(index);
			trigger('dayClick', this, date, true, ev);
		}
	}
	
	
	
	/* Semi-transparent Overlay Helpers
	------------------------------------------------------*/
	
	
	function renderDayOverlay(overlayStart, overlayEnd, refreshCoordinateGrid) { // overlayEnd is exclusive
		if (refreshCoordinateGrid) {
			coordinateGrid.build();
		}
		var rowStart = cloneDate(t.visStart);
		var rowEnd = addDays(cloneDate(rowStart), colCnt);
		for (var i=0; i" +
			"" +
			" ";
		for (i=0; i"; // fc- needed for setDayID
		}
		s +=
			" " +
			"" +
			"" +
			"" +
			"" +
			" ";
		for (i=0; i" + // fc- needed for setDayID
				"
" +
				"
" +
				"
 
" +
				"
" +
				"
" +
				"";
		}
		s +=
			" " +
			"" +
			"" +
			"";
		dayTable = $(s).appendTo(element);
		dayHead = dayTable.find('thead');
		dayHeadCells = dayHead.find('th').slice(1, -1);
		dayBody = dayTable.find('tbody');
		dayBodyCells = dayBody.find('td').slice(0, -1);
		dayBodyCellInners = dayBodyCells.find('div.fc-day-content div');
		dayBodyFirstCell = dayBodyCells.eq(0);
		dayBodyFirstCellStretcher = dayBodyFirstCell.find('> div');
		
		markFirstLast(dayHead.add(dayHead.find('tr')));
		markFirstLast(dayBody.add(dayBody.find('tr')));
		
		axisFirstCells = dayHead.find('th:first');
		gutterCells = dayTable.find('.fc-agenda-gutter');
		
		slotLayer =
			$("
")
				.appendTo(element);
				
		if (opt('allDaySlot')) {
		
			daySegmentContainer =
				$("
")
					.appendTo(slotLayer);
		
			s =
				"" +
				"" +
				"" +
				"" +
				"" +
				"" +
				"
" + opt('allDayText') + "
" +
				"
" +
				"
 
";
			allDayTable = $(s).appendTo(slotLayer);
			allDayRow = allDayTable.find('tr');
			
			dayBind(allDayRow.find('td'));
			
			axisFirstCells = axisFirstCells.add(allDayTable.find('th:first'));
			gutterCells = gutterCells.add(allDayTable.find('th.fc-agenda-gutter'));
			
			slotLayer.append(
				"
" +
				"
" +
				"
"
			);
			
		}else{
		
			daySegmentContainer = $([]); // in jQuery 1.4, we can just do $()
		
		}
		
		slotScroller =
			$("
")
				.appendTo(slotLayer);
				
		slotContent =
			$("
")
				.appendTo(slotScroller);
				
		slotSegmentContainer =
			$("
")
				.appendTo(slotContent);
		
		s =
			"" +
			"";
		d = zeroDate();
		maxd = addMinutes(cloneDate(d), maxMinute);
		addMinutes(d, minMinute);
		slotCnt = 0;
		for (i=0; d < maxd; i++) {
			minutes = d.getMinutes();
			s +=
				"" +
				"" +
				"" +
				"";
			addMinutes(d, opt('slotMinutes'));
			slotCnt++;
		}
		s +=
			"" +
			"
" +
				((!slotNormal || !minutes) ? formatDate(d, opt('axisFormat')) : ' ') +
				"
" +
				"
 
" +
				"
";
		slotTable = $(s).appendTo(slotContent);
		slotTableFirstInner = slotTable.find('div:first');
		
		slotBind(slotTable.find('td'));
		
		axisFirstCells = axisFirstCells.add(slotTable.find('th:first'));
	}
	
	
	
	function updateCells() {
		var i;
		var headCell;
		var bodyCell;
		var date;
		var today = clearTime(new Date());
		for (i=0; i= 0) {
			addMinutes(d, minMinute + slotIndex * opt('slotMinutes'));
		}
		return d;
	}
	
	
	function colDate(col) { // returns dates with 00:00:00
		return addDays(cloneDate(t.visStart), col*dis+dit);
	}
	
	
	function cellIsAllDay(cell) {
		return opt('allDaySlot') && !cell.row;
	}
	
	
	function dayOfWeekCol(dayOfWeek) {
		return ((dayOfWeek - Math.max(firstDay, nwe) + colCnt) % colCnt)*dis+dit;
	}
	
	
	
	
	// get the Y coordinate of the given time on the given day (both Date objects)
	function timePosition(day, time) { // both date objects. day holds 00:00 of current day
		day = cloneDate(day, true);
		if (time < addMinutes(cloneDate(day), minMinute)) {
			return 0;
		}
		if (time >= addMinutes(cloneDate(day), maxMinute)) {
			return slotTable.height();
		}
		var slotMinutes = opt('slotMinutes'),
			minutes = time.getHours()*60 + time.getMinutes() - minMinute,
			slotI = Math.floor(minutes / slotMinutes),
			slotTop = slotTopCache[slotI];
		if (slotTop === undefined) {
			slotTop = slotTopCache[slotI] = slotTable.find('tr:eq(' + slotI + ') td div')[0].offsetTop; //.position().top; // need this optimization???
		}
		return Math.max(0, Math.round(
			slotTop - 1 + slotHeight * ((minutes % slotMinutes) / slotMinutes)
		));
	}
	
	
	function allDayBounds() {
		return {
			left: axisWidth,
			right: viewWidth - gutterWidth
		}
	}
	
	
	function getAllDayRow(index) {
		return allDayRow;
	}
	
	
	function defaultEventEnd(event) {
		var start = cloneDate(event.start);
		if (event.allDay) {
			return start;
		}
		return addMinutes(start, opt('defaultEventMinutes'));
	}
	
	
	
	/* Selection
	---------------------------------------------------------------------------------*/
	
	
	function defaultSelectionEnd(startDate, allDay) {
		if (allDay) {
			return cloneDate(startDate);
		}
		return addMinutes(cloneDate(startDate), opt('slotMinutes'));
	}
	
	
	function renderSelection(startDate, endDate, allDay) { // only for all-day
		if (allDay) {
			if (opt('allDaySlot')) {
				renderDayOverlay(startDate, addDays(cloneDate(endDate), 1), true);
			}
		}else{
			renderSlotSelection(startDate, endDate);
		}
	}
	
	
	function renderSlotSelection(startDate, endDate) {
		var helperOption = opt('selectHelper');
		coordinateGrid.build();
		if (helperOption) {
			var col = dayDiff(startDate, t.visStart) * dis + dit;
			if (col >= 0 && col < colCnt) { // only works when times are on same day
				var rect = coordinateGrid.rect(0, col, 0, col, slotContent); // only for horizontal coords
				var top = timePosition(startDate, startDate);
				var bottom = timePosition(startDate, endDate);
				if (bottom > top) { // protect against selections that are entirely before or after visible range
					rect.top = top;
					rect.height = bottom - top;
					rect.left += 2;
					rect.width -= 5;
					if ($.isFunction(helperOption)) {
						var helperRes = helperOption(startDate, endDate);
						if (helperRes) {
							rect.position = 'absolute';
							rect.zIndex = 8;
							selectionHelper = $(helperRes)
								.css(rect)
								.appendTo(slotContent);
						}
					}else{
						rect.isStart = true; // conside rect a "seg" now
						rect.isEnd = true;   //
						selectionHelper = $(slotSegHtml(
							{
								title: '',
								start: startDate,
								end: endDate,
								className: ['fc-select-helper'],
								editable: false
							},
							rect
						));
						selectionHelper.css('opacity', opt('dragOpacity'));
					}
					if (selectionHelper) {
						slotBind(selectionHelper);
						slotContent.append(selectionHelper);
						setOuterWidth(selectionHelper, rect.width, true); // needs to be after appended
						setOuterHeight(selectionHelper, rect.height, true);
					}
				}
			}
		}else{
			renderSlotOverlay(startDate, endDate);
		}
	}
	
	
	function clearSelection() {
		clearOverlays();
		if (selectionHelper) {
			selectionHelper.remove();
			selectionHelper = null;
		}
	}
	
	
	function slotSelectionMousedown(ev) {
		if (ev.which == 1 && opt('selectable')) { // ev.which==1 means left mouse button
			unselect(ev);
			var dates;
			hoverListener.start(function(cell, origCell) {
				clearSelection();
				if (cell && cell.col == origCell.col && !cellIsAllDay(cell)) {
					var d1 = cellDate(origCell);
					var d2 = cellDate(cell);
					dates = [
						d1,
						addMinutes(cloneDate(d1), opt('slotMinutes')),
						d2,
						addMinutes(cloneDate(d2), opt('slotMinutes'))
					].sort(cmp);
					renderSlotSelection(dates[0], dates[3]);
				}else{
					dates = null;
				}
			}, ev);
			$(document).one('mouseup', function(ev) {
				hoverListener.stop();
				if (dates) {
					if (+dates[0] == +dates[1]) {
						reportDayClick(dates[0], false, ev);
					}
					reportSelection(dates[0], dates[3], false, ev);
				}
			});
		}
	}
	
	
	function reportDayClick(date, allDay, ev) {
		trigger('dayClick', dayBodyCells[dayOfWeekCol(date.getDay())], date, allDay, ev);
	}
	
	
	
	/* External Dragging
	--------------------------------------------------------------------------------*/
	
	
	function dragStart(_dragElement, ev, ui) {
		hoverListener.start(function(cell) {
			clearOverlays();
			if (cell) {
				if (cellIsAllDay(cell)) {
					renderCellOverlay(cell.row, cell.col, cell.row, cell.col);
				}else{
					var d1 = cellDate(cell);
					var d2 = addMinutes(cloneDate(d1), opt('defaultEventMinutes'));
					renderSlotOverlay(d1, d2);
				}
			}
		}, ev);
	}
	
	
	function dragStop(_dragElement, ev, ui) {
		var cell = hoverListener.stop();
		clearOverlays();
		if (cell) {
			trigger('drop', _dragElement, cellDate(cell), cellIsAllDay(cell), ev, ui);
		}
	}


}

function AgendaEventRenderer() {
	var t = this;
	
	
	// exports
	t.renderEvents = renderEvents;
	t.compileDaySegs = compileDaySegs; // for DayEventRenderer
	t.clearEvents = clearEvents;
	t.slotSegHtml = slotSegHtml;
	t.bindDaySeg = bindDaySeg;
	
	
	// imports
	DayEventRenderer.call(t);
	var opt = t.opt;
	var trigger = t.trigger;
	//var setOverflowHidden = t.setOverflowHidden;
	var isEventDraggable = t.isEventDraggable;
	var isEventResizable = t.isEventResizable;
	var eventEnd = t.eventEnd;
	var reportEvents = t.reportEvents;
	var reportEventClear = t.reportEventClear;
	var eventElementHandlers = t.eventElementHandlers;
	var setHeight = t.setHeight;
	var getDaySegmentContainer = t.getDaySegmentContainer;
	var getSlotSegmentContainer = t.getSlotSegmentContainer;
	var getHoverListener = t.getHoverListener;
	var getMaxMinute = t.getMaxMinute;
	var getMinMinute = t.getMinMinute;
	var timePosition = t.timePosition;
	var colContentLeft = t.colContentLeft;
	var colContentRight = t.colContentRight;
	var renderDaySegs = t.renderDaySegs;
	var resizableDayEvent = t.resizableDayEvent; // TODO: streamline binding architecture
	var getColCnt = t.getColCnt;
	var getColWidth = t.getColWidth;
	var getSlotHeight = t.getSlotHeight;
	var getBodyContent = t.getBodyContent;
	var reportEventElement = t.reportEventElement;
	var showEvents = t.showEvents;
	var hideEvents = t.hideEvents;
	var eventDrop = t.eventDrop;
	var eventResize = t.eventResize;
	var renderDayOverlay = t.renderDayOverlay;
	var clearOverlays = t.clearOverlays;
	var calendar = t.calendar;
	var formatDate = calendar.formatDate;
	var formatDates = calendar.formatDates;
	
	
	
	/* Rendering
	----------------------------------------------------------------------------*/
	

	function renderEvents(events, modifiedEventId) {
		reportEvents(events);
		var i, len=events.length,
			dayEvents=[],
			slotEvents=[];
		for (i=0; i" +
			"
" +
			"
" +
			"
" +
			htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
			"
" +
			"
" +
			"
" +
			"
" +
			htmlEscape(event.title) +
			"
" +
			"
" +
			"
" +
			"
"; // close inner
		if (seg.isEnd && isEventResizable(event)) {
			html +=
				"
=
";
		}
		html +=
			"";
		return html;
	}
	
	
	function bindDaySeg(event, eventElement, seg) {
		if (isEventDraggable(event)) {
			draggableDayEvent(event, eventElement, seg.isStart);
		}
		if (seg.isEnd && isEventResizable(event)) {
			resizableDayEvent(event, eventElement, seg);
		}
		eventElementHandlers(event, eventElement);
			// needs to be after, because resizableDayEvent might stopImmediatePropagation on click
	}
	
	
	function bindSlotSeg(event, eventElement, seg) {
		var timeElement = eventElement.find('div.fc-event-time');
		if (isEventDraggable(event)) {
			draggableSlotEvent(event, eventElement, timeElement);
		}
		if (seg.isEnd && isEventResizable(event)) {
			resizableSlotEvent(event, eventElement, timeElement);
		}
		eventElementHandlers(event, eventElement);
	}
	
	
	
	/* Dragging
	-----------------------------------------------------------------------------------*/
	
	
	// when event starts out FULL-DAY
	
	function draggableDayEvent(event, eventElement, isStart) {
		var origWidth;
		var revert;
		var allDay=true;
		var dayDelta;
		var dis = opt('isRTL') ? -1 : 1;
		var hoverListener = getHoverListener();
		var colWidth = getColWidth();
		var slotHeight = getSlotHeight();
		var minMinute = getMinMinute();
		eventElement.draggable({
			zIndex: 9,
			opacity: opt('dragOpacity', 'month'), // use whatever the month view was using
			revertDuration: opt('dragRevertDuration'),
			start: function(ev, ui) {
				trigger('eventDragStart', eventElement, event, ev, ui);
				hideEvents(event, eventElement);
				origWidth = eventElement.width();
				hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
					clearOverlays();
					if (cell) {
						//setOverflowHidden(true);
						revert = false;
						dayDelta = colDelta * dis;
						if (!cell.row) {
							// on full-days
							renderDayOverlay(
								addDays(cloneDate(event.start), dayDelta),
								addDays(exclEndDay(event), dayDelta)
							);
							resetElement();
						}else{
							// mouse is over bottom slots
							if (isStart) {
								if (allDay) {
									// convert event to temporary slot-event
									eventElement.width(colWidth - 10); // don't use entire width
									setOuterHeight(
										eventElement,
										slotHeight * Math.round(
											(event.end ? ((event.end - event.start) / MINUTE_MS) : opt('defaultEventMinutes'))
											/ opt('slotMinutes')
										)
									);
									eventElement.draggable('option', 'grid', [colWidth, 1]);
									allDay = false;
								}
							}else{
								revert = true;
							}
						}
						revert = revert || (allDay && !dayDelta);
					}else{
						resetElement();
						//setOverflowHidden(false);
						revert = true;
					}
					eventElement.draggable('option', 'revert', revert);
				}, ev, 'drag');
			},
			stop: function(ev, ui) {
				hoverListener.stop();
				clearOverlays();
				trigger('eventDragStop', eventElement, event, ev, ui);
				if (revert) {
					// hasn't moved or is out of bounds (draggable has already reverted)
					resetElement();
					eventElement.css('filter', ''); // clear IE opacity side-effects
					showEvents(event, eventElement);
				}else{
					// changed!
					var minuteDelta = 0;
					if (!allDay) {
						minuteDelta = Math.round((eventElement.offset().top - getBodyContent().offset().top) / slotHeight)
							* opt('slotMinutes')
							+ minMinute
							- (event.start.getHours() * 60 + event.start.getMinutes());
					}
					eventDrop(this, event, dayDelta, minuteDelta, allDay, ev, ui);
				}
				//setOverflowHidden(false);
			}
		});
		function resetElement() {
			if (!allDay) {
				eventElement
					.width(origWidth)
					.height('')
					.draggable('option', 'grid', null);
				allDay = true;
			}
		}
	}
	
	
	// when event starts out IN TIMESLOTS
	
	function draggableSlotEvent(event, eventElement, timeElement) {
		var origPosition;
		var allDay=false;
		var dayDelta;
		var minuteDelta;
		var prevMinuteDelta;
		var dis = opt('isRTL') ? -1 : 1;
		var hoverListener = getHoverListener();
		var colCnt = getColCnt();
		var colWidth = getColWidth();
		var slotHeight = getSlotHeight();
		eventElement.draggable({
			zIndex: 9,
			scroll: false,
			grid: [colWidth, slotHeight],
			axis: colCnt==1 ? 'y' : false,
			opacity: opt('dragOpacity'),
			revertDuration: opt('dragRevertDuration'),
			start: function(ev, ui) {
				trigger('eventDragStart', eventElement, event, ev, ui);
				hideEvents(event, eventElement);
				origPosition = eventElement.position();
				minuteDelta = prevMinuteDelta = 0;
				hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
					eventElement.draggable('option', 'revert', !cell);
					clearOverlays();
					if (cell) {
						dayDelta = colDelta * dis;
						if (opt('allDaySlot') && !cell.row) {
							// over full days
							if (!allDay) {
								// convert to temporary all-day event
								allDay = true;
								timeElement.hide();
								eventElement.draggable('option', 'grid', null);
							}
							renderDayOverlay(
								addDays(cloneDate(event.start), dayDelta),
								addDays(exclEndDay(event), dayDelta)
							);
						}else{
							// on slots
							resetElement();
						}
					}
				}, ev, 'drag');
			},
			drag: function(ev, ui) {
				minuteDelta = Math.round((ui.position.top - origPosition.top) / slotHeight) * opt('slotMinutes');
				if (minuteDelta != prevMinuteDelta) {
					if (!allDay) {
						updateTimeText(minuteDelta);
					}
					prevMinuteDelta = minuteDelta;
				}
			},
			stop: function(ev, ui) {
				var cell = hoverListener.stop();
				clearOverlays();
				trigger('eventDragStop', eventElement, event, ev, ui);
				if (cell && (dayDelta || minuteDelta || allDay)) {
					// changed!
					eventDrop(this, event, dayDelta, allDay ? 0 : minuteDelta, allDay, ev, ui);
				}else{
					// either no change or out-of-bounds (draggable has already reverted)
					resetElement();
					eventElement.css('filter', ''); // clear IE opacity side-effects
					eventElement.css(origPosition); // sometimes fast drags make event revert to wrong position
					updateTimeText(0);
					showEvents(event, eventElement);
				}
			}
		});
		function updateTimeText(minuteDelta) {
			var newStart = addMinutes(cloneDate(event.start), minuteDelta);
			var newEnd;
			if (event.end) {
				newEnd = addMinutes(cloneDate(event.end), minuteDelta);
			}
			timeElement.text(formatDates(newStart, newEnd, opt('timeFormat')));
		}
		function resetElement() {
			// convert back to original slot-event
			if (allDay) {
				timeElement.css('display', ''); // show() was causing display=inline
				eventElement.draggable('option', 'grid', [colWidth, slotHeight]);
				allDay = false;
			}
		}
	}
	
	
	
	/* Resizing
	--------------------------------------------------------------------------------------*/
	
	
	function resizableSlotEvent(event, eventElement, timeElement) {
		var slotDelta, prevSlotDelta;
		var slotHeight = getSlotHeight();
		eventElement.resizable({
			handles: {
				s: 'div.ui-resizable-s'
			},
			grid: slotHeight,
			start: function(ev, ui) {
				slotDelta = prevSlotDelta = 0;
				hideEvents(event, eventElement);
				eventElement.css('z-index', 9);
				trigger('eventResizeStart', this, event, ev, ui);
			},
			resize: function(ev, ui) {
				// don't rely on ui.size.height, doesn't take grid into account
				slotDelta = Math.round((Math.max(slotHeight, eventElement.height()) - ui.originalSize.height) / slotHeight);
				if (slotDelta != prevSlotDelta) {
					timeElement.text(
						formatDates(
							event.start,
							(!slotDelta && !event.end) ? null : // no change, so don't display time range
								addMinutes(eventEnd(event), opt('slotMinutes')*slotDelta),
							opt('timeFormat')
						)
					);
					prevSlotDelta = slotDelta;
				}
			},
			stop: function(ev, ui) {
				trigger('eventResizeStop', this, event, ev, ui);
				if (slotDelta) {
					eventResize(this, event, 0, opt('slotMinutes')*slotDelta, ev, ui);
				}else{
					eventElement.css('z-index', 8);
					showEvents(event, eventElement);
					// BUG: if event was really short, need to put title back in span
				}
			}
		});
	}
	

}


function countForwardSegs(levels) {
	var i, j, k, level, segForward, segBack;
	for (i=levels.length-1; i>0; i--) {
		level = levels[i];
		for (j=0; j");
		var elements;
		var segmentContainer = getDaySegmentContainer();
		var i;
		var segCnt = segs.length;
		var element;
		tempContainer[0].innerHTML = daySegHTML(segs); // faster than .html()
		elements = tempContainer.children();
		segmentContainer.append(elements);
		daySegElementResolve(segs, elements);
		daySegCalcHSides(segs);
		daySegSetWidths(segs);
		daySegCalcHeights(segs);
		daySegSetTops(segs, getRowTops(getRowDivs()));
		elements = [];
		for (i=0; i" +
				"";
			if (!event.allDay && seg.isStart) {
				html +=
					"" +
					htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
					"";
			}
			html +=
				"" + htmlEscape(event.title) + "" +
				"
";
			if (seg.isEnd && isEventResizable(event)) {
				html +=
					"
" +
					"   " + // makes hit area a lot better for IE6/7
					"
";
			}
			html +=
				"";
			seg.left = left;
			seg.outerWidth = right - left;
			seg.startCol = leftCol;
			seg.endCol = rightCol + 1; // needs to be exclusive
		}
		return html;
	}
	
	
	function daySegElementResolve(segs, elements) { // sets seg.element
		var i;
		var segCnt = segs.length;
		var seg;
		var event;
		var element;
		var triggerRes;
		for (i=0; i div'); // optimal selector?
		}
		return rowDivs;
	}
	
	
	function getRowTops(rowDivs) {
		var i;
		var rowCnt = rowDivs.length;
		var tops = [];
		for (i=0; i selection for IE
		element
			.mousedown(function(ev) { // prevent native  selection for others
				ev.preventDefault();
			})
			.click(function(ev) {
				if (isResizing) {
					ev.preventDefault(); // prevent link from being visited (only method that worked in IE6)
					ev.stopImmediatePropagation(); // prevent fullcalendar eventClick handler from being called
					                               // (eventElementHandlers needs to be bound after resizableDayEvent)
				}
			});
		
		handle.mousedown(function(ev) {
			if (ev.which != 1) {
				return; // needs to be left mouse button
			}
			isResizing = true;
			var hoverListener = t.getHoverListener();
			var rowCnt = getRowCnt();
			var colCnt = getColCnt();
			var dis = rtl ? -1 : 1;
			var dit = rtl ? colCnt-1 : 0;
			var elementTop = element.css('top');
			var dayDelta;
			var helpers;
			var eventCopy = $.extend({}, event);
			var minCell = dateCell(event.start);
			clearSelection();
			$('body')
				.css('cursor', direction + '-resize')
				.one('mouseup', mouseup);
			trigger('eventResizeStart', this, event, ev);
			hoverListener.start(function(cell, origCell) {
				if (cell) {
					var r = Math.max(minCell.row, cell.row);
					var c = cell.col;
					if (rowCnt == 1) {
						r = 0; // hack for all-day area in agenda views
					}
					if (r == minCell.row) {
						if (rtl) {
							c = Math.min(minCell.col, c);
						}else{
							c = Math.max(minCell.col, c);
						}
					}
					dayDelta = (r*7 + c*dis+dit) - (origCell.row*7 + origCell.col*dis+dit);
					var newEnd = addDays(eventEnd(event), dayDelta, true);
					if (dayDelta) {
						eventCopy.end = newEnd;
						var oldHelpers = helpers;
						helpers = renderTempDaySegs(compileDaySegs([eventCopy]), seg.row, elementTop);
						helpers.find('*').css('cursor', direction + '-resize');
						if (oldHelpers) {
							oldHelpers.remove();
						}
						hideEvents(event);
					}else{
						if (helpers) {
							showEvents(event);
							helpers.remove();
							helpers = null;
						}
					}
					clearOverlays();
					renderDayOverlay(event.start, addDays(cloneDate(newEnd), 1)); // coordinate grid already rebuild at hoverListener.start
				}
			}, ev);
			
			function mouseup(ev) {
				trigger('eventResizeStop', this, event, ev);
				$('body').css('cursor', '');
				hoverListener.stop();
				clearOverlays();
				if (dayDelta) {
					eventResize(this, event, dayDelta, 0, ev);
					// event redraw will clear helpers
				}
				// otherwise, the drag handler already restored the old events
				
				setTimeout(function() { // make this happen after the element's click event
					isResizing = false;
				},0);
			}
			
		});
	}
	

}

//BUG: unselect needs to be triggered when events are dragged+dropped

function SelectionManager() {
	var t = this;
	
	
	// exports
	t.select = select;
	t.unselect = unselect;
	t.reportSelection = reportSelection;
	t.daySelectionMousedown = daySelectionMousedown;
	
	
	// imports
	var opt = t.opt;
	var trigger = t.trigger;
	var defaultSelectionEnd = t.defaultSelectionEnd;
	var renderSelection = t.renderSelection;
	var clearSelection = t.clearSelection;
	
	
	// locals
	var selected = false;



	// unselectAuto
	if (opt('selectable') && opt('unselectAuto')) {
		$(document).mousedown(function(ev) {
			var ignore = opt('unselectCancel');
			if (ignore) {
				if ($(ev.target).parents(ignore).length) { // could be optimized to stop after first match
					return;
				}
			}
			unselect(ev);
		});
	}
	

	function select(startDate, endDate, allDay) {
		unselect();
		if (!endDate) {
			endDate = defaultSelectionEnd(startDate, allDay);
		}
		renderSelection(startDate, endDate, allDay);
		reportSelection(startDate, endDate, allDay);
	}
	
	
	function unselect(ev) {
		if (selected) {
			selected = false;
			clearSelection();
			trigger('unselect', null, ev);
		}
	}
	
	
	function reportSelection(startDate, endDate, allDay, ev) {
		selected = true;
		trigger('select', null, startDate, endDate, allDay, ev);
	}
	
	
	function daySelectionMousedown(ev) { // not really a generic manager method, oh well
		var cellDate = t.cellDate;
		var cellIsAllDay = t.cellIsAllDay;
		var hoverListener = t.getHoverListener();
		var reportDayClick = t.reportDayClick; // this is hacky and sort of weird
		if (ev.which == 1 && opt('selectable')) { // which==1 means left mouse button
			unselect(ev);
			var _mousedownElement = this;
			var dates;
			hoverListener.start(function(cell, origCell) { // TODO: maybe put cellDate/cellIsAllDay info in cell
				clearSelection();
				if (cell && cellIsAllDay(cell)) {
					dates = [ cellDate(origCell), cellDate(cell) ].sort(cmp);
					renderSelection(dates[0], dates[1], true);
				}else{
					dates = null;
				}
			}, ev);
			$(document).one('mouseup', function(ev) {
				hoverListener.stop();
				if (dates) {
					if (+dates[0] == +dates[1]) {
						reportDayClick(dates[0], true, ev);
					}
					reportSelection(dates[0], dates[1], true, ev);
				}
			});
		}
	}


}
 
function OverlayManager() {
	var t = this;
	
	
	// exports
	t.renderOverlay = renderOverlay;
	t.clearOverlays = clearOverlays;
	
	
	// locals
	var usedOverlays = [];
	var unusedOverlays = [];
	
	
	function renderOverlay(rect, parent) {
		var e = unusedOverlays.shift();
		if (!e) {
			e = $("
");
		}
		if (e[0].parentNode != parent[0]) {
			e.appendTo(parent);
		}
		usedOverlays.push(e.css(rect).show());
		return e;
	}
	

	function clearOverlays() {
		var e;
		while (e = usedOverlays.shift()) {
			unusedOverlays.push(e.hide().unbind());
		}
	}


}

function CoordinateGrid(buildFunc) {

	var t = this;
	var rows;
	var cols;
	
	
	t.build = function() {
		rows = [];
		cols = [];
		buildFunc(rows, cols);
	};
	
	
	t.cell = function(x, y) {
		var rowCnt = rows.length;
		var colCnt = cols.length;
		var i, r=-1, c=-1;
		for (i=0; i= rows[i][0] && y < rows[i][1]) {
				r = i;
				break;
			}
		}
		for (i=0; i= cols[i][0] && x < cols[i][1]) {
				c = i;
				break;
			}
		}
		return (r>=0 && c>=0) ? { row:r, col:c } : null;
	};
	
	
	t.rect = function(row0, col0, row1, col1, originElement) { // row1,col1 is inclusive
		var origin = originElement.offset();
		return {
			top: rows[row0][0] - origin.top,
			left: cols[col0][0] - origin.left,
			width: cols[col1][1] - cols[col0][0],
			height: rows[row1][1] - rows[row0][0]
		};
	};

}

function HoverListener(coordinateGrid) {


	var t = this;
	var bindType;
	var change;
	var firstCell;
	var cell;
	
	
	t.start = function(_change, ev, _bindType) {
		change = _change;
		firstCell = cell = null;
		coordinateGrid.build();
		mouse(ev);
		bindType = _bindType || 'mousemove';
		$(document).bind(bindType, mouse);
	};
	
	
	function mouse(ev) {
		var newCell = coordinateGrid.cell(ev.pageX, ev.pageY);
		if (!newCell != !cell || newCell && (newCell.row != cell.row || newCell.col != cell.col)) {
			if (newCell) {
				if (!firstCell) {
					firstCell = newCell;
				}
				change(newCell, firstCell, newCell.row-firstCell.row, newCell.col-firstCell.col);
			}else{
				change(newCell, firstCell);
			}
			cell = newCell;
		}
	}
	
	
	t.stop = function() {
		$(document).unbind(bindType, mouse);
		return cell;
	};
	
	
}

function HorizontalPositionCache(getElement) {

	var t = this,
		elements = {},
		lefts = {},
		rights = {};
		
	function e(i) {
		return elements[i] = elements[i] || getElement(i);
	}
	
	t.left = function(i) {
		return lefts[i] = lefts[i] === undefined ? e(i).position().left : lefts[i];
	};
	
	t.right = function(i) {
		return rights[i] = rights[i] === undefined ? t.left(i) + e(i).width() : rights[i];
	};
	
	t.clear = function() {
		elements = {};
		lefts = {};
		rights = {};
	};
	
}

})(jQuery);