https://hbalansing.com/js/fullcalendar/fullcalendar.js

1/*!
2 * FullCalendar v3.2.0
3 * Docs & License: https://fullcalendar.io/
4 * (c) 2017 Adam Shaw
5 */
6
7(function(factory) {
8	if (typeof define === 'function' && define.amd) {
9		define([ 'jquery', 'moment' ], factory);
10	}
11	else if (typeof exports === 'object') { // Node/CommonJS
12		module.exports = factory(require('jquery'), require('moment'));
13	}
14	else {
15		factory(jQuery, moment);
16	}
17})(function($, moment) {
18
19;;
20
21var FC = $.fullCalendar = {
22	version: "3.2.0",
23	// When introducing internal API incompatibilities (where fullcalendar plugins would break),
24	// the minor version of the calendar should be upped (ex: 2.7.2 -> 2.8.0)
25	// and the below integer should be incremented.
26	internalApiVersion: 8
27};
28var fcViews = FC.views = {};
29
30
31$.fn.fullCalendar = function(options) {
32	var args = Array.prototype.slice.call(arguments, 1); // for a possible method call
33	var res = this; // what this function will return (this jQuery object by default)
34
35	this.each(function(i, _element) { // loop each DOM element involved
36		var element = $(_element);
37		var calendar = element.data('fullCalendar'); // get the existing calendar object (if any)
38		var singleRes; // the returned value of this single method call
39
40		// a method call
41		if (typeof options === 'string') {
42			if (calendar && $.isFunction(calendar[options])) {
43				singleRes = calendar[options].apply(calendar, args);
44				if (!i) {
45					res = singleRes; // record the first method call result
46				}
47				if (options === 'destroy') { // for the destroy method, must remove Calendar object data
48					element.removeData('fullCalendar');
49				}
50			}
51		}
52		// a new calendar initialization
53		else if (!calendar) { // don't initialize twice
54			calendar = new Calendar(element, options);
55			element.data('fullCalendar', calendar);
56			calendar.render();
57		}
58	});
59
60	return res;
61};
62
63
64var complexOptions = [ // names of options that are objects whose properties should be combined
65	'header',
66	'footer',
67	'buttonText',
68	'buttonIcons',
69	'themeButtonIcons'
70];
71
72
73// Merges an array of option objects into a single object
74function mergeOptions(optionObjs) {
75	return mergeProps(optionObjs, complexOptions);
76}
77
78;;
79
80// exports
81FC.intersectRanges = intersectRanges;
82FC.applyAll = applyAll;
83FC.debounce = debounce;
84FC.isInt = isInt;
85FC.htmlEscape = htmlEscape;
86FC.cssToStr = cssToStr;
87FC.proxy = proxy;
88FC.capitaliseFirstLetter = capitaliseFirstLetter;
89
90
91/* FullCalendar-specific DOM Utilities
92----------------------------------------------------------------------------------------------------------------------*/
93
94
95// Given the scrollbar widths of some other container, create borders/margins on rowEls in order to match the left
96// and right space that was offset by the scrollbars. A 1-pixel border first, then margin beyond that.
97function compensateScroll(rowEls, scrollbarWidths) {
98	if (scrollbarWidths.left) {
99		rowEls.css({
100			'border-left-width': 1,
101			'margin-left': scrollbarWidths.left - 1
102		});
103	}
104	if (scrollbarWidths.right) {
105		rowEls.css({
106			'border-right-width': 1,
107			'margin-right': scrollbarWidths.right - 1
108		});
109	}
110}
111
112
113// Undoes compensateScroll and restores all borders/margins
114function uncompensateScroll(rowEls) {
115	rowEls.css({
116		'margin-left': '',
117		'margin-right': '',
118		'border-left-width': '',
119		'border-right-width': ''
120	});
121}
122
123
124// Make the mouse cursor express that an event is not allowed in the current area
125function disableCursor() {
126	$('body').addClass('fc-not-allowed');
127}
128
129
130// Returns the mouse cursor to its original look
131function enableCursor() {
132	$('body').removeClass('fc-not-allowed');
133}
134
135
136// Given a total available height to fill, have `els` (essentially child rows) expand to accomodate.
137// By default, all elements that are shorter than the recommended height are expanded uniformly, not considering
138// any other els that are already too tall. if `shouldRedistribute` is on, it considers these tall rows and 
139// reduces the available height.
140function distributeHeight(els, availableHeight, shouldRedistribute) {
141
142	// *FLOORING NOTE*: we floor in certain places because zoom can give inaccurate floating-point dimensions,
143	// and it is better to be shorter than taller, to avoid creating unnecessary scrollbars.
144
145	var minOffset1 = Math.floor(availableHeight / els.length); // for non-last element
146	var minOffset2 = Math.floor(availableHeight - minOffset1 * (els.length - 1)); // for last element *FLOORING NOTE*
147	var flexEls = []; // elements that are allowed to expand. array of DOM nodes
148	var flexOffsets = []; // amount of vertical space it takes up
149	var flexHeights = []; // actual css height
150	var usedHeight = 0;
151
152	undistributeHeight(els); // give all elements their natural height
153
154	// find elements that are below the recommended height (expandable).
155	// important to query for heights in a single first pass (to avoid reflow oscillation).
156	els.each(function(i, el) {
157		var minOffset = i === els.length - 1 ? minOffset2 : minOffset1;
158		var naturalOffset = $(el).outerHeight(true);
159
160		if (naturalOffset < minOffset) {
161			flexEls.push(el);
162			flexOffsets.push(naturalOffset);
163			flexHeights.push($(el).height());
164		}
165		else {
166			// this element stretches past recommended height (non-expandable). mark the space as occupied.
167			usedHeight += naturalOffset;
168		}
169	});
170
171	// readjust the recommended height to only consider the height available to non-maxed-out rows.
172	if (shouldRedistribute) {
173		availableHeight -= usedHeight;
174		minOffset1 = Math.floor(availableHeight / flexEls.length);
175		minOffset2 = Math.floor(availableHeight - minOffset1 * (flexEls.length - 1)); // *FLOORING NOTE*
176	}
177
178	// assign heights to all expandable elements
179	$(flexEls).each(function(i, el) {
180		var minOffset = i === flexEls.length - 1 ? minOffset2 : minOffset1;
181		var naturalOffset = flexOffsets[i];
182		var naturalHeight = flexHeights[i];
183		var newHeight = minOffset - (naturalOffset - naturalHeight); // subtract the margin/padding
184
185		if (naturalOffset < minOffset) { // we check this again because redistribution might have changed things
186			$(el).height(newHeight);
187		}
188	});
189}
190
191
192// Undoes distrubuteHeight, restoring all els to their natural height
193function undistributeHeight(els) {
194	els.height('');
195}
196
197
198// Given `els`, a jQuery set of <td> cells, find the cell with the largest natural width and set the widths of all the
199// cells to be that width.
200// PREREQUISITE: if you want a cell to take up width, it needs to have a single inner element w/ display:inline
201function matchCellWidths(els) {
202	var maxInnerWidth = 0;
203
204	els.find('> *').each(function(i, innerEl) {
205		var innerWidth = $(innerEl).outerWidth();
206		if (innerWidth > maxInnerWidth) {
207			maxInnerWidth = innerWidth;
208		}
209	});
210
211	maxInnerWidth++; // sometimes not accurate of width the text needs to stay on one line. insurance
212
213	els.width(maxInnerWidth);
214

215	return maxInnerWidth;
216}
217
218
219// Given one element that resides inside another,
220// Subtracts the height of the inner element from the outer element.
221function subtractInnerElHeight(outerEl, innerEl) {
222	var both = outerEl.add(innerEl);
223	var diff;
224
225	// effin' IE8/9/10/11 sometimes returns 0 for dimensions. this weird hack was the only thing that worked
226	both.css({
227		position: 'relative', // cause a reflow, which will force fresh dimension recalculation
228		left: -1 // ensure reflow in case the el was already relative. negative is less likely to cause new scroll
229	});
230	diff = outerEl.outerHeight() - innerEl.outerHeight(); // grab the dimensions
231	both.css({ position: '', left: '' }); // undo hack
232
233	return diff;
234}
235
236
237/* Element Geom Utilities
238----------------------------------------------------------------------------------------------------------------------*/
239
240FC.getOuterRect = getOuterRect;
241FC.getClientRect = getClientRect;
242FC.getContentRect = getContentRect;
243FC.getScrollbarWidths = getScrollbarWidths;
244
245
246// borrowed from https://github.com/jquery/jquery-ui/blob/1.11.0/ui/core.js#L51
247function getScrollParent(el) {
248	var position = el.css('position'),
249		scrollParent = el.parents().filter(function() {
250			var parent = $(this);
251			return (/(auto|scroll)/).test(
252				parent.css('overflow') + parent.css('overflow-y') + parent.css('overflow-x')
253			);
254		}).eq(0);
255
256	return position === 'fixed' || !scrollParent.length ? $(el[0].ownerDocument || document) : scrollParent;
257}
258
259
260// Queries the outer bounding area of a jQuery element.
261// Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive).
262// Origin is optional.
263function getOuterRect(el, origin) {
264	var offset = el.offset();
265	var left = offset.left - (origin ? origin.left : 0);
266	var top = offset.top - (origin ? origin.top : 0);
267
268	return {
269		left: left,
270		right: left + el.outerWidth(),
271		top: top,
272		bottom: top + el.outerHeight()
273	};
274}
275
276
277// Queries the area within the margin/border/scrollbars of a jQuery element. Does not go within the padding.
278// Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive).
279// Origin is optional.
280// NOTE: should use clientLeft/clientTop, but very unreliable cross-browser.
281function getClientRect(el, origin) {
282	var offset = el.offset();
283	var scrollbarWidths = getScrollbarWidths(el);
284	var left = offset.left + getCssFloat(el, 'border-left-width') + scrollbarWidths.left - (origin ? origin.left : 0);
285	var top = offset.top + getCssFloat(el, 'border-top-width') + scrollbarWidths.top - (origin ? origin.top : 0);
286
287	return {
288		left: left,
289		right: left + el[0].clientWidth, // clientWidth includes padding but NOT scrollbars
290		top: top,
291		bottom: top + el[0].clientHeight // clientHeight includes padding but NOT scrollbars
292	};
293}
294
295
296// Queries the area within the margin/border/padding of a jQuery element. Assumed not to have scrollbars.
297// Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive).
298// Origin is optional.
299function getContentRect(el, origin) {
300	var offset = el.offset(); // just outside of border, margin not included
301	var left = offset.left + getCssFloat(el, 'border-left-width') + getCssFloat(el, 'padding-left') -
302		(origin ? origin.left : 0);
303	var top = offset.top + getCssFloat(el, 'border-top-width') + getCssFloat(el, 'padding-top') -
304		(origin ? origin.top : 0);
305
306	return {
307		left: left,
308		right: left + el.width(),
309		top: top,
310		bottom: top + el.height()
311	};
312}
313
314
315// Returns the computed left/right/top/bottom scrollbar widths for the given jQuery element.
316// NOTE: should use clientLeft/clientTop, but very unreliable cross-browser.
317function getScrollbarWidths(el) {
318	var leftRightWidth = el.innerWidth() - el[0].clientWidth; // the paddings cancel out, leaving the scrollbars

319	var bottomWidth = el.innerHeight() - el[0].clientHeight; // "
320	var widths;
321
322	leftRightWidth = sanitizeScrollbarWidth(leftRightWidth);
323	bottomWidth = sanitizeScrollbarWidth(bottomWidth);
324
325	widths = { left: 0, right: 0, top: 0, bottom: bottomWidth };
326
327	if (getIsLeftRtlScrollbars() && el.css('direction') == 'rtl') { // is the scrollbar on the left side?
328		widths.left = leftRightWidth;
329	}
330	else {
331		widths.right = leftRightWidth;
332	}
333
334	return widths;
335}
336
337
338// The scrollbar width computations in getScrollbarWidths are sometimes flawed when it comes to
339// retina displays, rounding, and IE11. Massage them into a usable value.
340function sanitizeScrollbarWidth(width) {
341	width = Math.max(0, width); // no negatives
342	width = Math.round(width);
343	return width;
344}
345
346
347// Logic for determining if, when the element is right-to-left, the scrollbar appears on the left side
348
349var _isLeftRtlScrollbars = null;
350
351function getIsLeftRtlScrollbars() { // responsible for caching the computation
352	if (_isLeftRtlScrollbars === null) {
353		_isLeftRtlScrollbars = computeIsLeftRtlScrollbars();
354	}
355	return _isLeftRtlScrollbars;
356}
357
358function computeIsLeftRtlScrollbars() { // creates an offscreen test element, then removes it
359	var el = $('<div><div/></div>')
360		.css({
361			position: 'absolute',
362			top: -1000,
363			left: 0,
364			border: 0,
365			padding: 0,
366			overflow: 'scroll',
367			direction: 'rtl'
368		})
369		.appendTo('body');
370	var innerEl = el.children();
371	var res = innerEl.offset().left > el.offset().left; // is the inner div shifted to accommodate a left scrollbar?
372	el.remove();
373	return res;
374}
375
376
377// Retrieves a jQuery element's computed CSS value as a floating-point number.
378// If the queried value is non-numeric (ex: IE can return "medium" for border width), will just return zero.
379function getCssFloat(el, prop) {
380	return parseFloat(el.css(prop)) || 0;
381}
382
383
384/* Mouse / Touch Utilities
385----------------------------------------------------------------------------------------------------------------------*/
386
387FC.preventDefault = preventDefault;
388
389
390// Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac)
391function isPrimaryMouseButton(ev) {
392	return ev.which == 1 && !ev.ctrlKey;
393}
394
395
396function getEvX(ev) {
397	var touches = ev.originalEvent.touches;
398
399	// on mobile FF, pageX for touch events is present, but incorrect,
400	// so, look at touch coordinates first.
401	if (touches && touches.length) {
402		return touches[0].pageX;
403	}
404
405	return ev.pageX;
406}
407
408
409function getEvY(ev) {
410	var touches = ev.originalEvent.touches;
411
412	// on mobile FF, pageX for touch events is present, but incorrect,
413	// so, look at touch coordinates first.
414	if (touches && touches.length) {
415		return touches[0].pageY;
416	}
417
418	return ev.pageY;
419}
420
421
422function getEvIsTouch(ev) {
423	return /^touch/.test(ev.type);
424}
425
426
427function preventSelection(el) {
428	el.addClass('fc-unselectable')
429		.on('selectstart', preventDefault);
430}
431
432
433function allowSelection(el) {
434	el.removeClass('fc-unselectable')
435		.off('selectstart', preventDefault);
436}
437
438
439// Stops a mouse/touch event from doing it's native browser action
440function preventDefault(ev) {
441	ev.preventDefault();
442}
443
444
445/* General Geometry Utils
446----------------------------------------------------------------------------------------------------------------------*/
447
448FC.intersectRects = intersectRects;
449
450// Returns a new rectangle that is the intersection of the two rectangles. If they don't intersect, returns false
451function intersectRects(rect1, rect2) {
452	var res = {
453		left: Math.max(rect1.left, rect2.left),
454		right: Math.min(rect1.right, rect2.right),
455		top: Math.max(rect1.top, rect2.top),
456		bottom: Math.min(rect1.bottom, rect2.bottom)
457	};
458
459	if (res.left < res.right && res.top < res.bottom) {
460		return res;
461	}
462	return false;
463}
464
465
466// Returns a new point that will have been moved to reside within the given rectangle
467function constrainPoint(point, rect) {
468	return {
469		left: Math.min(Math.max(point.left, rect.left), rect.right),
470		top: Math.min(Math.max(point.top, rect.top), rect.bottom)
471	};
472}
473
474
475// Returns a point that is the center of the given rectangle
476function getRectCenter(rect) {
477	return {
478		left: (rect.left + rect.right) / 2,
479		top: (rect.top + rect.bottom) / 2
480	};
481}
482
483
484// Subtracts point2's coordinates from point1's coordinates, returning a delta
485function diffPoints(point1, point2) {
486	return {
487		left: point1.left - point2.left,
488		top: point1.top - point2.top
489	};
490}
491
492
493/* Object Ordering by Field
494----------------------------------------------------------------------------------------------------------------------*/
495
496FC.parseFieldSpecs = parseFieldSpecs;
497FC.compareByFieldSpecs = compareByFieldSpecs;
498FC.compareByFieldSpec = compareByFieldSpec;
499FC.flexibleCompare = flexibleCompare;
500
501
502function parseFieldSpecs(input) {
503	var specs = [];
504	var tokens = [];
505	var i, token;
506
507	if (typeof input === 'string') {
508		tokens = input.split(/\s*,\s*/);
509	}
510	else if (typeof input === 'function') {
511		tokens = [ input ];
512	}
513	else if ($.isArray(input)) {
514		tokens = input;
515	}
516
517	for (i = 0; i < tokens.length; i++) {
518		token = tokens[i];
519
520		if (typeof token === 'string') {
521			specs.push(
522				token.charAt(0) == '-' ?
523					{ field: token.substring(1), order: -1 } :
524					{ field: token, order: 1 }
525			);
526		}
527		else if (typeof token === 'function') {
528			specs.push({ func: token });
529		}
530	}
531
532	return specs;
533}
534
535
536function compareByFieldSpecs(obj1, obj2, fieldSpecs) {
537	var i;
538	var cmp;
539
540	for (i = 0; i < fieldSpecs.length; i++) {
541		cmp = compareByFieldSpec(obj1, obj2, fieldSpecs[i]);
542		if (cmp) {
543			return cmp;
544		}
545	}
546
547	return 0;
548}
549
550
551function compareByFieldSpec(obj1, obj2, fieldSpec) {
552	if (fieldSpec.func) {
553		return fieldSpec.func(obj1, obj2);
554	}
555	return flexibleCompare(obj1[fieldSpec.field], obj2[fieldSpec.field]) *
556		(fieldSpec.order || 1);
557}
558
559
560function flexibleCompare(a, b) {
561	if (!a && !b) {
562		return 0;
563	}
564	if (b == null) {
565		return -1;
566	}
567	if (a == null) {
568		return 1;
569	}
570	if ($.type(a) === 'string' || $.type(b) === 'string') {
571		return String(a).localeCompare(String(b));
572	}
573	return a - b;
574}
575
576
577/* FullCalendar-specific Misc Utilities
578----------------------------------------------------------------------------------------------------------------------*/
579
580
581// Computes the intersection of the two ranges. Will return fresh date clones in a range.
582// Returns undefined if no intersection.
583// Expects all dates to be normalized to the same timezone beforehand.
584// TODO: move to date section?
585function intersectRanges(subjectRange, constraintRange) {
586	var subjectStart = subjectRange.start;
587	var subjectEnd = subjectRange.end;
588	var constraintStart = constraintRange.start;
589	var constraintEnd = constraintRange.end;
590	var segStart, segEnd;
591	var isStart, isEnd;
592
593	if (subjectEnd > constraintStart && subjectStart < constraintEnd) { // in bounds at all?
594
595		if (subjectStart >= constraintStart) {
596			segStart = subjectStart.clone();
597			isStart = true;
598		}
599		else {
600			segStart = constraintStart.clone();
601			isStart =  false;
602		}
603
604		if (subjectEnd <= constraintEnd) {
605			segEnd = subjectEnd.clone();
606			isEnd = true;
607		}
608		else {
609			segEnd = constraintEnd.clone();
610			isEnd = false;

611		}
612
613		return {
614			start: segStart,
615			end: segEnd,
616			isStart: isStart,
617			isEnd: isEnd
618		};
619	}
620}
621
622
623/* Date Utilities
624----------------------------------------------------------------------------------------------------------------------*/
625
626FC.computeIntervalUnit = computeIntervalUnit;
627FC.divideRangeByDuration = divideRangeByDuration;
628FC.divideDurationByDuration = divideDurationByDuration;
629FC.multiplyDuration = multiplyDuration;
630FC.durationHasTime = durationHasTime;
631
632var dayIDs = [ 'sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat' ];
633var intervalUnits = [ 'year', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond' ];
634
635
636// Diffs the two moments into a Duration where full-days are recorded first, then the remaining time.
637// Moments will have their timezones normalized.
638function diffDayTime(a, b) {
639	return moment.duration({
640		days: a.clone().stripTime().diff(b.clone().stripTime(), 'days'),
641		ms: a.time() - b.time() // time-of-day from day start. disregards timezone
642	});
643}
644
645
646// Diffs the two moments via their start-of-day (regardless of timezone). Produces whole-day durations.
647function diffDay(a, b) {
648	return moment.duration({
649		days: a.clone().stripTime().diff(b.clone().stripTime(), 'days')
650	});
651}
652
653
654// Diffs two moments, producing a duration, made of a whole-unit-increment of the given unit. Uses rounding.
655function diffByUnit(a, b, unit) {
656	return moment.duration(
657		Math.round(a.diff(b, unit, true)), // returnFloat=true
658		unit
659	);
660}
661
662
663// Computes the unit name of the largest whole-unit period of time.
664// For example, 48 hours will be "days" whereas 49 hours will be "hours".
665// Accepts start/end, a range object, or an original duration object.
666function computeIntervalUnit(start, end) {
667	var i, unit;
668	var val;
669
670	for (i = 0; i < intervalUnits.length; i++) {
671		unit = intervalUnits[i];
672		val = computeRangeAs(unit, start, end);
673
674		if (val >= 1 && isInt(val)) {
675			break;
676		}
677	}
678
679	return unit; // will be "milliseconds" if nothing else matches
680}
681
682
683// Computes the number of units (like "hours") in the given range.
684// Range can be a {start,end} object, separate start/end args, or a Duration.
685// Results are based on Moment's .as() and .diff() methods, so results can depend on internal handling
686// of month-diffing logic (which tends to vary from version to version).
687function computeRangeAs(unit, start, end) {
688
689	if (end != null) { // given start, end
690		return end.diff(start, unit, true);
691	}
692	else if (moment.isDuration(start)) { // given duration
693		return start.as(unit);
694	}
695	else { // given { start, end } range object
696		return start.end.diff(start.start, unit, true);
697	}
698}
699
700
701// Intelligently divides a range (specified by a start/end params) by a duration
702function divideRangeByDuration(start, end, dur) {
703	var months;
704
705	if (durationHasTime(dur)) {
706		return (end - start) / dur;
707	}
708	months = dur.asMonths();
709	if (Math.abs(months) >= 1 && isInt(months)) {
710		return end.diff(start, 'months', true) / months;
711	}
712	return end.diff(start, 'days', true) / dur.asDays();
713}
714
715
716// Intelligently divides one duration by another
717function divideDurationByDuration(dur1, dur2) {
718	var months1, months2;
719
720	if (durationHasTime(dur1) || durationHasTime(dur2)) {
721		return dur1 / dur2;
722	}
723	months1 = dur1.asMonths();
724	months2 = dur2.asMonths();
725	if (
726		Math.abs(months1) >= 1 && isInt(months1) &&
727		Math.abs(months2) >= 1 && isInt(months2)
728	) {
729		return months1 / months2;
730	}
731	return dur1.asDays() / dur2.asDays();
732}
733
734
735// Intelligently multiplies a duration by a number
736function multiplyDuration(dur, n) {
737	var months;
738
739	if (durationHasTime(dur)) {
740		return moment.duration(dur * n);
741	}
742	months = dur.asMonths();
743	if (Math.abs(months) >= 1 && isInt(months)) {
744		return moment.duration({ months: months * n });
745	}
746	return moment.duration({ days: dur.asDays() * n });
747}
748
749
750// Returns a boolean about whether the given duration has any time parts (hours/minutes/seconds/ms)
751function durationHasTime(dur) {
752	return Boolean(dur.hours() || dur.minutes() || dur.seconds() || dur.milliseconds());
753}
754
755
756function isNativeDate(input) {
757	return  Object.prototype.toString.call(input) === '[object Date]' || input instanceof Date;
758}
759
760
761// Returns a boolean about whether the given input is a time string, like "06:40:00" or "06:00"

762function isTimeString(str) {
763	return /^\d+\:\d+(?:\:\d+\.?(?:\d{3})?)?$/.test(str);
764}
765
766
767/* Logging and Debug
768----------------------------------------------------------------------------------------------------------------------*/
769
770FC.log = function() {
771	var console = window.console;
772
773	if (console && console.log) {
774		return console.log.apply(console, arguments);
775	}
776};
777
778FC.warn = function() {
779	var console = window.console;
780
781	if (console && console.warn) {
782		return console.warn.apply(console, arguments);
783	}
784	else {
785		return FC.log.apply(FC, arguments);
786	}
787};
788
789
790/* General Utilities
791----------------------------------------------------------------------------------------------------------------------*/
792
793var hasOwnPropMethod = {}.hasOwnProperty;
794
795
796// Merges an array of objects into a single object.
797// The second argument allows for an array of property names who's object values will be merged together.
798function mergeProps(propObjs, complexProps) {
799	var dest = {};
800	var i, name;
801	var complexObjs;
802	var j, val;
803	var props;
804
805	if (complexProps) {
806		for (i = 0; i < complexProps.length; i++) {
807			name = complexProps[i];
808			complexObjs = [];
809
810			// collect the trailing object values, stopping when a non-object is discovered
811			for (j = propObjs.length - 1; j >= 0; j--) {
812				val = propObjs[j][name];
813
814				if (typeof val === 'object') {
815					complexObjs.unshift(val);
816				}
817				else if (val !== undefined) {
818					dest[name] = val; // if there were no objects, this value will be used
819					break;
820				}
821			}
822
823			// if the trailing values were objects, use the merged value
824			if (complexObjs.length) {
825				dest[name] = mergeProps(complexObjs);
826			}
827		}
828	}
829
830	// copy values into the destination, going from last to first
831	for (i = propObjs.length - 1; i >= 0; i--) {
832		props = propObjs[i];
833
834		for (name in props) {
835			if (!(name in dest)) { // if already assigned by previous props or complex props, don't reassign
836				dest[name] = props[name];
837			}
838		}
839	}
840
841	return dest;
842}
843
844
845// Create an object that has the given prototype. Just like Object.create
846function createObject(proto) {
847	var f = function() {};
848	f.prototype = proto;
849	return new f();
850}
851FC.createObject = createObject;
852
853
854function copyOwnProps(src, dest) {
855	for (var name in src) {
856		if (hasOwnProp(src, name)) {
857			dest[name] = src[name];
858		}
859	}
860}
861
862
863function hasOwnProp(obj, name) {
864	return hasOwnPropMethod.call(obj, name);
865}
866
867
868// Is the given value a non-object non-function value?
869function isAtomic(val) {
870	return /undefined|null|boolean|number|string/.test($.type(val));
871}
872
873
874function applyAll(functions, thisObj, args) {
875	if ($.isFunction(functions)) {
876		functions = [ functions ];
877	}
878	if (functions) {
879		var i;
880		var ret;
881		for (i=0; i<functions.length; i++) {
882			ret = functions[i].apply(thisObj, args) || ret;
883		}
884		return ret;
885	}
886}
887
888
889function firstDefined() {
890	for (var i=0; i<arguments.length; i++) {
891		if (arguments[i] !== undefined) {
892			return arguments[i];
893		}
894	}
895}
896
897
898function htmlEscape(s) {
899	return (s + '').replace(/&/g, '&amp;')
900		.replace(/</g, '&lt;')
901		.replace(/>/g, '&gt;')
902		.replace(/'/g, '&#039;')
903		.replace(/"/g, '&quot;')
904		.replace(/\n/g, '<br />');
905}
906
907
908function stripHtmlEntities(text) {
909	return text.replace(/&.*?;/g, '');
910}
911
912
913// Given a hash of CSS properties, returns a string of CSS.
914// Uses property names as-is (no camel-case conversion). Will not make statements for null/undefined values.
915function cssToStr(cssProps) {
916	var statements = [];
917
918	$.each(cssProps, function(name, val) {
919		if (val != null) {
920			statements.push(name + ':' + val);
921		}
922	});
923
924	return statements.join(';');
925}
926
927
928// Given an object hash of HTML attribute names to values,
929// generates a string that can be injected between < > in HTML
930function attrsToStr(attrs) {
931	var parts = [];
932
933	$.each(attrs, function(name, val) {
934		if (val != null) {
935			parts.push(name + '="' + htmlEscape(val) + '"');
936		}
937	});
938
939	return parts.join(' ');
940}
941
942
943function capitaliseFirstLetter(str) {
944	return str.charAt(0).toUpperCase() + str.slice(1);
945}
946
947
948function compareNumbers(a, b) { // for .sort()
949	return a - b;
950}
951
952
953function isInt(n) {
954	return n % 1 === 0;
955}
956
957

958// Returns a method bound to the given object context.
959// Just like one of the jQuery.proxy signatures, but without the undesired behavior of treating the same method with
960// different contexts as identical when binding/unbinding events.
961function proxy(obj, methodName) {
962	var method = obj[methodName];
963
964	return function() {
965		return method.apply(obj, arguments);
966	};
967}
968
969
970// Returns a function, that, as long as it continues to be invoked, will not
971// be triggered. The function will be called after it stops being called for
972// N milliseconds. If `immediate` is passed, trigger the function on the
973// leading edge, instead of the trailing.
974// https://github.com/jashkenas/underscore/blob/1.6.0/underscore.js#L714
975function debounce(func, wait, immediate) {
976	var timeout, args, context, timestamp, result;
977
978	var later = function() {
979		var last = +new Date() - timestamp;
980		if (last < wait) {
981			timeout = setTimeout(later, wait - last);
982		}
983		else {
984			timeout = null;
985			if (!immediate) {
986				result = func.apply(context, args);
987				context = args = null;
988			}
989		}
990	};
991
992	return function() {
993		context = this;
994		args = arguments;
995		timestamp = +new Date();
996		var callNow = immediate && !timeout;
997		if (!timeout) {
998			timeout = setTimeout(later, wait);
999		}
1000		if (callNow) {
1001			result = func.apply(context, args);
1002			context = args = null;
1003		}
1004		return result;
1005	};
1006}
1007
1008;;
1009
1010/*
1011GENERAL NOTE on moments throughout the *entire rest* of the codebase:
1012All moments are assumed to be ambiguously-zoned unless otherwise noted,
1013with the NOTABLE EXCEOPTION of start/end dates that live on *Event Objects*.
1014Ambiguously-TIMED moments are assumed to be ambiguously-zoned by nature.
1015*/
1016
1017var ambigDateOfMonthRegex = /^\s*\d{4}-\d\d$/;
1018var ambigTimeOrZoneRegex =
1019	/^\s*\d{4}-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?)?$/;
1020var newMomentProto = moment.fn; // where we will attach our new methods
1021var oldMomentProto = $.extend({}, newMomentProto); // copy of original moment methods
1022
1023// tell momentjs to transfer these properties upon clone
1024var momentProperties = moment.momentProperties;
1025momentProperties.push('_fullCalendar');
1026momentProperties.push('_ambigTime');
1027momentProperties.push('_ambigZone');
1028
1029
1030// Creating
1031// -------------------------------------------------------------------------------------------------
1032
1033// Creates a new moment, similar to the vanilla moment(...) constructor, but with
1034// extra features (ambiguous time, enhanced formatting). When given an existing moment,
1035// it will function as a clone (and retain the zone of the moment). Anything else will
1036// result in a moment in the local zone.
1037FC.moment = function() {
1038	return makeMoment(arguments);
1039};
1040
1041// Sames as FC.moment, but forces the resulting moment to be in the UTC timezone.
1042FC.moment.utc = function() {
1043	var mom = makeMoment(arguments, true);
1044
1045	// Force it into UTC because makeMoment doesn't guarantee it
1046	// (if given a pre-existing moment for example)
1047	if (mom.hasTime()) { // don't give ambiguously-timed moments a UTC zone
1048		mom.utc();
1049	}
1050
1051	return mom;
1052};
1053
1054// Same as FC.moment, but when given an ISO8601 string, the timezone offset is preserved.
1055// ISO8601 strings with no timezone offset will become ambiguously zoned.
1056FC.moment.parseZone = function() {
1057	return makeMoment(arguments, true, true);
1058};
1059
1060// Builds an enhanced moment from args. When given an existing moment, it clones. When given a
1061// native Date, or called with no arguments (the current time), the resulting moment will be local.
1062// Anything else needs to be "parsed" (a string or an array), and will be affected by:
1063//    parseAsUTC - if there is no zone information, should we parse the input in UTC?
1064//    parseZone - if there is zone information, should we force the zone of the moment?
1065function makeMoment(args, parseAsUTC, parseZone) {
1066	var input = args[0];
1067	var isSingleString = args.length == 1 && typeof input === 'string';
1068	var isAmbigTime;
1069	var isAmbigZone;
1070	var ambigMatch;
1071	var mom;
1072
1073	if (moment.isMoment(input) || isNativeDate(input) || input === undefined) {
1074		mom = moment.apply(null, args);
1075	}
1076	else { // "parsing" is required
1077		isAmbigTime = false;

1078		isAmbigZone = false;
1079
1080		if (isSingleString) {
1081			if (ambigDateOfMonthRegex.test(input)) {
1082				// accept strings like '2014-05', but convert to the first of the month
1083				input += '-01';
1084				args = [ input ]; // for when we pass it on to moment's constructor
1085				isAmbigTime = true;
1086				isAmbigZone = true;
1087			}
1088			else if ((ambigMatch = ambigTimeOrZoneRegex.exec(input))) {
1089				isAmbigTime = !ambigMatch[5]; // no time part?
1090				isAmbigZone = true;
1091			}
1092		}
1093		else if ($.isArray(input)) {
1094			// arrays have no timezone information, so assume ambiguous zone
1095			isAmbigZone = true;
1096		}
1097		// otherwise, probably a string with a format
1098
1099		if (parseAsUTC || isAmbigTime) {
1100			mom = moment.utc.apply(moment, args);
1101		}
1102		else {
1103			mom = moment.apply(null, args);
1104		}
1105
1106		if (isAmbigTime) {
1107			mom._ambigTime = true;
1108			mom._ambigZone = true; // ambiguous time always means ambiguous zone
1109		}
1110		else if (parseZone) { // let's record the inputted zone somehow
1111			if (isAmbigZone) {
1112				mom._ambigZone = true;
1113			}
1114			else if (isSingleString) {
1115				mom.utcOffset(input); // if not a valid zone, will assign UTC
1116			}
1117		}
1118	}
1119
1120	mom._fullCalendar = true; // flag for extended functionality
1121
1122	return mom;
1123}
1124
1125
1126// Week Number
1127// -------------------------------------------------------------------------------------------------
1128
1129
1130// Returns the week number, considering the locale's custom week number calcuation
1131// `weeks` is an alias for `week`
1132newMomentProto.week = newMomentProto.weeks = function(input) {
1133	var weekCalc = this._locale._fullCalendar_weekCalc;
1134
1135	if (input == null && typeof weekCalc === 'function') { // custom function only works for getter
1136		return weekCalc(this);
1137	}
1138	else if (weekCalc === 'ISO') {
1139		return oldMomentProto.isoWeek.apply(this, arguments); // ISO getter/setter
1140	}
1141
1142	return oldMomentProto.week.apply(this, arguments); // local getter/setter
1143};
1144
1145
1146// Time-of-day
1147// -------------------------------------------------------------------------------------------------
1148
1149// GETTER
1150// Returns a Duration with the hours/minutes/seconds/ms values of the moment.
1151// If the moment has an ambiguous time, a duration of 00:00 will be returned.
1152//
1153// SETTER
1154// You can supply a Duration, a Moment, or a Duration-like argument.
1155// When setting the time, and the moment has an ambiguous time, it then becomes unambiguous.
1156newMomentProto.time = function(time) {
1157
1158	// Fallback to the original method (if there is one) if this moment wasn't created via FullCalendar.
1159	// `time` is a generic enough method name where this precaution is necessary to avoid collisions w/ other plugins.
1160	if (!this._fullCalendar) {
1161		return oldMomentProto.time.apply(this, arguments);
1162	}
1163
1164	if (time == null) { // getter
1165		return moment.duration({
1166			hours: this.hours(),
1167			minutes: this.minutes(),
1168			seconds: this.seconds(),
1169			milliseconds: this.milliseconds()
1170		});
1171	}
1172	else { // setter
1173
1174		this._ambigTime = false; // mark that the moment now has a time
1175
1176		if (!moment.isDuration(time) && !moment.isMoment(time)) {
1177			time = moment.duration(time);
1178		}
1179
1180		// The day value should cause overflow (so 24 hours becomes 00:00:00 of next day).
1181		// Only for Duration times, not Moment times.
1182		var dayHours = 0;
1183		if (moment.isDuration(time)) {
1184			dayHours = Math.floor(time.asDays()) * 24;
1185		}
1186
1187		// We need to set the individual fields.
1188		// Can't use startOf('day') then add duration. In case of DST at start of day.
1189		return this.hours(dayHours + time.hours())
1190			.minutes(time.minutes())
1191			.seconds(time.seconds())
1192			.milliseconds(time.milliseconds());
1193	}
1194};
1195
1196// Converts the moment to UTC, stripping out its time-of-day and timezone offset,
1197// but preserving its YMD. A moment with a stripped time will display no time
1198// nor timezone offset when .format() is called.
1199newMomentProto.stripTime = function() {
1200
1201	if (!this._ambigTime) {
1202
1203		this.utc(true); // keepLocalTime=true (for keeping *date* value)
1204
1205		// set time to zero
1206		this.set({
1207			hours: 0,
1208			minutes: 0,
1209			seconds: 0,
1210			ms: 0
1211		});
1212
1213		// Mark the time as ambiguous. This needs to happen after the .utc() call, which might call .utcOffset(),
1214		// which clears all ambig flags.
1215		this._ambigTime = true;
1216		this._ambigZone = true; // if ambiguous time, also ambiguous timezone offset
1217	}
1218
1219	return this; // for chaining
1220};
1221

1222// Returns if the moment has a non-ambiguous time (boolean)
1223newMomentProto.hasTime = function() {
1224	return !this._ambigTime;
1225};
1226
1227
1228// Timezone
1229// -------------------------------------------------------------------------------------------------
1230
1231// Converts the moment to UTC, stripping out its timezone offset, but preserving its
1232// YMD and time-of-day. A moment with a stripped timezone offset will display no
1233// timezone offset when .format() is called.
1234newMomentProto.stripZone = function() {
1235	var wasAmbigTime;
1236
1237	if (!this._ambigZone) {
1238
1239		wasAmbigTime = this._ambigTime;
1240
1241		this.utc(true); // keepLocalTime=true (for keeping date and time values)
1242
1243		// the above call to .utc()/.utcOffset() unfortunately might clear the ambig flags, so restore
1244		this._ambigTime = wasAmbigTime || false;
1245
1246		// Mark the zone as ambiguous. This needs to happen after the .utc() call, which might call .utcOffset(),
1247		// which clears the ambig flags.
1248		this._ambigZone = true;
1249	}
1250
1251	return this; // for chaining
1252};
1253
1254// Returns of the moment has a non-ambiguous timezone offset (boolean)
1255newMomentProto.hasZone = function() {
1256	return !this._ambigZone;
1257};
1258
1259
1260// implicitly marks a zone
1261newMomentProto.local = function(keepLocalTime) {
1262
1263	// for when converting from ambiguously-zoned to local,
1264	// keep the time values when converting from UTC -> local
1265	oldMomentProto.local.call(this, this._ambigZone || keepLocalTime);
1266
1267	// ensure non-ambiguous
1268	// this probably already happened via local() -> utcOffset(), but don't rely on Moment's internals
1269	this._ambigTime = false;
1270	this._ambigZone = false;
1271
1272	return this; // for chaining
1273};
1274
1275
1276// implicitly marks a zone
1277newMomentProto.utc = function(keepLocalTime) {
1278
1279	oldMomentProto.utc.call(this, keepLocalTime);
1280
1281	// ensure non-ambiguous
1282	// this probably already happened via utc() -> utcOffset(), but don't rely on Moment's internals
1283	this._ambigTime = false;
1284	this._ambigZone = false;
1285
1286	return this;
1287};
1288
1289
1290// implicitly marks a zone (will probably get called upon .utc() and .local())
1291newMomentProto.utcOffset = function(tzo) {
1292
1293	if (tzo != null) { // setter
1294		// these assignments needs to happen before the original zone method is called.
1295		// I forget why, something to do with a browser crash.
1296		this._ambigTime = false;
1297		this._ambigZone = false;
1298	}
1299
1300	return oldMomentProto.utcOffset.apply(this, arguments);
1301};
1302
1303
1304// Formatting
1305// -------------------------------------------------------------------------------------------------
1306
1307newMomentProto.format = function() {
1308	if (this._fullCalendar && arguments[0]) { // an enhanced moment? and a format string provided?
1309		return formatDate(this, arguments[0]); // our extended formatting
1310	}
1311	if (this._ambigTime) {
1312		return oldMomentFormat(this, 'YYYY-MM-DD');
1313	}
1314	if (this._ambigZone) {
1315		return oldMomentFormat(this, 'YYYY-MM-DD[T]HH:mm:ss');
1316	}
1317	return oldMomentProto.format.apply(this, arguments);
1318};
1319
1320newMomentProto.toISOString = function() {
1321	if (this._ambigTime) {
1322		return oldMomentFormat(this, 'YYYY-MM-DD');
1323	}
1324	if (this._ambigZone) {
1325		return oldMomentFormat(this, 'YYYY-MM-DD[T]HH:mm:ss');
1326	}
1327	return oldMomentProto.toISOString.apply(this, arguments);
1328};
1329
1330;;
1331(function() {
1332
1333// exports
1334FC.formatDate = formatDate;
1335FC.formatRange = formatRange;
1336FC.oldMomentFormat = oldMomentFormat;
1337FC.queryMostGranularFormatUnit = queryMostGranularFormatUnit;
1338
1339
1340// Config
1341// ---------------------------------------------------------------------------------------------------------------------
1342
1343/*
1344Inserted between chunks in the fake ("intermediate") formatting string.
1345Important that it passes as whitespace (\s) because moment often identifies non-standalone months
1346via a regexp with an \s.
1347*/
1348var PART_SEPARATOR = '\u000b'; // vertical tab
1349
1350/*
1351Inserted as the first character of a literal-text chunk to indicate that the literal text is not actually literal text,
1352but rather, a "special" token that has custom rendering (see specialTokens map).
1353*/
1354var SPECIAL_TOKEN_MARKER = '\u001f'; // information separator 1
1355
1356/*
1357Inserted at the beginning and end of a span of text that must have non-zero numeric characters.
1358Handling of these markers is done in a post-processing step at the very end of text rendering.
1359*/
1360var MAYBE_MARKER = '\u001e'; // information separator 2
1361var MAYBE_REGEXP = new RegExp(MAYBE_MARKER + '([^' + MAYBE_MARKER + ']*)' + MAYBE_MARKER, 'g'); // must be global
1362
1363/*
1364Addition formatting tokens we want recognized
1365*/
1366var specialTokens = {
1367	t: function(date) { // "a" or "p"
1368		return oldMomentFormat(date, 'a').charAt(0);
1369	},
1370	T: function(date) { // "A" or "P"
1371		return oldMomentFormat(date, 'A').charAt(0);
1372	}
1373};
1374
1375/*
1376The first characters of formatting tokens for units that are 1 day or larger.
1377`value` is for ranking relative size (lower means bigger).

1378`unit` is a normalized unit, used for comparing moments.
1379*/
1380var largeTokenMap = {
1381	Y: { value: 1, unit: 'year' },
1382	M: { value: 2, unit: 'month' },
1383	W: { value: 3, unit: 'week' }, // ISO week
1384	w: { value: 3, unit: 'week' }, // local week
1385	D: { value: 4, unit: 'day' }, // day of month
1386	d: { value: 4, unit: 'day' } // day of week
1387};
1388
1389
1390// Single Date Formatting
1391// ---------------------------------------------------------------------------------------------------------------------
1392
1393/*
1394Formats `date` with a Moment formatting string, but allow our non-zero areas and special token
1395*/
1396function formatDate(date, formatStr) {
1397	return renderFakeFormatString(
1398		getParsedFormatString(formatStr).fakeFormatString,
1399		date
1400	);
1401}
1402
1403/*
1404Call this if you want Moment's original format method to be used
1405*/
1406function oldMomentFormat(mom, formatStr) {
1407	return oldMomentProto.format.call(mom, formatStr); // oldMomentProto defined in moment-ext.js
1408}
1409
1410
1411// Date Range Formatting
1412// -------------------------------------------------------------------------------------------------
1413// TODO: make it work with timezone offset
1414
1415/*
1416Using a formatting string meant for a single date, generate a range string, like
1417"Sep 2 - 9 2013", that intelligently inserts a separator where the dates differ.
1418If the dates are the same as far as the format string is concerned, just return a single
1419rendering of one date, without any separator.
1420*/
1421function formatRange(date1, date2, formatStr, separator, isRTL) {
1422	var localeData;
1423
1424	date1 = FC.moment.parseZone(date1);
1425	date2 = FC.moment.parseZone(date2);
1426
1427	localeData = date1.localeData();
1428
1429	// Expand localized format strings, like "LL" -> "MMMM D YYYY".
1430	// BTW, this is not important for `formatDate` because it is impossible to put custom tokens
1431	// or non-zero areas in Moment's localized format strings.
1432	formatStr = localeData.longDateFormat(formatStr) || formatStr;
1433
1434	return renderParsedFormat(
1435		getParsedFormatString(formatStr),
1436		date1,
1437		date2,
1438		separator || ' - ',
1439		isRTL
1440	);
1441}
1442
1443/*
1444Renders a range with an already-parsed format string.
1445*/
1446function renderParsedFormat(parsedFormat, date1, date2, separator, isRTL) {
1447	var sameUnits = parsedFormat.sameUnits;
1448	var unzonedDate1 = date1.clone().stripZone(); // for same-unit comparisons
1449	var unzonedDate2 = date2.clone().stripZone(); // "
1450
1451	var renderedParts1 = renderFakeFormatStringParts(parsedFormat.fakeFormatString, date1);
1452	var renderedParts2 = renderFakeFormatStringParts(parsedFormat.fakeFormatString, date2);
1453
1454	var leftI;
1455	var leftStr = '';
1456	var rightI;
1457	var rightStr = '';
1458	var middleI;
1459	var middleStr1 = '';
1460	var middleStr2 = '';
1461	var middleStr = '';
1462
1463	// Start at the leftmost side of the formatting string and continue until you hit a token
1464	// that is not the same between dates.
1465	for (
1466		leftI = 0;
1467		leftI < sameUnits.length && (!sameUnits[leftI] || unzonedDate1.isSame(unzonedDate2, sameUnits[leftI]));
1468		leftI++
1469	) {
1470		leftStr += renderedParts1[leftI];
1471	}
1472
1473	// Similarly, start at the rightmost side of the formatting string and move left
1474	for (
1475		rightI = sameUnits.length - 1;
1476		rightI > leftI && (!sameUnits[rightI] || unzonedDate1.isSame(unzonedDate2, sameUnits[rightI]));
1477		rightI--
1478	) {
1479		// If current chunk is on the boundary of unique date-content, and is a special-case
1480		// date-formatting postfix character, then don't consume it. Consider it unique date-content.
1481		// TODO: make configurable
1482		if (rightI - 1 === leftI && renderedParts1[rightI] === '.') {
1483			break;
1484		}
1485
1486		rightStr = renderedParts1[rightI] + rightStr;
1487	}
1488
1489	// The area in the middle is different for both of the dates.
1490	// Collect them distinctly so we can jam them together later.
1491	for (middleI = leftI; middleI <= rightI; middleI++) {
1492		middleStr1 += renderedParts1[middleI];
1493		middleStr2 += renderedParts2[middleI];
1494	}
1495
1496	if (middleStr1 || middleStr2) {
1497		if (isRTL) {
1498			middleStr = middleStr2 + separator + middleStr1;
1499		}
1500		else {
1501			middleStr = middleStr1 + separator + middleStr2;
1502		}
1503	}
1504
1505	return processMaybeMarkers(
1506		leftStr + middleStr + rightStr
1507	);
1508}
1509
1510
1511// Format String Parsing
1512// ---------------------------------------------------------------------------------------------------------------------
1513
1514var parsedFormatStrCache = {};
1515
1516/*

1517Returns a parsed format string, leveraging a cache.
1518*/
1519function getParsedFormatString(formatStr) {
1520	return parsedFormatStrCache[formatStr] ||
1521		(parsedFormatStrCache[formatStr] = parseFormatString(formatStr));
1522}
1523
1524/*
1525Parses a format string into the following:
1526- fakeFormatString: a momentJS formatting string, littered with special control characters that get post-processed.
1527- sameUnits: for every part in fakeFormatString, if the part is a token, the value will be a unit string (like "day"),
1528  that indicates how similar a range's start & end must be in order to share the same formatted text.
1529  If not a token, then the value is null.
1530  Always a flat array (not nested liked "chunks").
1531*/
1532function parseFormatString(formatStr) {
1533	var chunks = chunkFormatString(formatStr);
1534	
1535	return {
1536		fakeFormatString: buildFakeFormatString(chunks),
1537		sameUnits: buildSameUnits(chunks)
1538	};
1539}
1540
1541/*
1542Break the formatting string into an array of chunks.
1543A 'maybe' chunk will have nested chunks.
1544*/
1545function chunkFormatString(formatStr) {
1546	var chunks = [];
1547	var match;
1548
1549	// TODO: more descrimination
1550	// \4 is a backreference to the first character of a multi-character set.
1551	var chunker = /\[([^\]]*)\]|\(([^\)]*)\)|(LTS|LT|(\w)\4*o?)|([^\w\[\(]+)/g;
1552
1553	while ((match = chunker.exec(formatStr))) {
1554		if (match[1]) { // a literal string inside [ ... ]
1555			chunks.push.apply(chunks, // append
1556				splitStringLiteral(match[1])
1557			);
1558		}
1559		else if (match[2]) { // non-zero formatting inside ( ... )
1560			chunks.push({ maybe: chunkFormatString(match[2]) });
1561		}
1562		else if (match[3]) { // a formatting token
1563			chunks.push({ token: match[3] });
1564		}
1565		else if (match[5]) { // an unenclosed literal string
1566			chunks.push.apply(chunks, // append
1567				splitStringLiteral(match[5])
1568			);
1569		}
1570	}
1571
1572	return chunks;
1573}
1574
1575/*
1576Potentially splits a literal-text string into multiple parts. For special cases.
1577*/
1578function splitStringLiteral(s) {
1579	if (s === '. ') {
1580		return [ '.', ' ' ]; // for locales with periods bound to the end of each year/month/date
1581	}
1582	else {
1583		return [ s ];
1584	}
1585}
1586
1587/*
1588Given chunks parsed from a real format string, generate a fake (aka "intermediate") format string with special control
1589characters that will eventually be given to moment for formatting, and then post-processed.
1590*/
1591function buildFakeFormatString(chunks) {
1592	var parts = [];
1593	var i, chunk;
1594
1595	for (i = 0; i < chunks.length; i++) {
1596		chunk = chunks[i];
1597
1598		if (typeof chunk === 'string') {
1599			parts.push('[' + chunk + ']');
1600		}
1601		else if (chunk.token) {
1602			if (chunk.token in specialTokens) {
1603				parts.push(
1604					SPECIAL_TOKEN_MARKER + // useful during post-processing
1605					'[' + chunk.token + ']' // preserve as literal text
1606				);
1607			}
1608			else {
1609				parts.push(chunk.token); // unprotected text implies a format string
1610			}
1611		}
1612		else if (chunk.maybe) {
1613			parts.push(
1614				MAYBE_MARKER + // useful during post-processing
1615				buildFakeFormatString(chunk.maybe) +
1616				MAYBE_MARKER
1617			);
1618		}
1619	}
1620
1621	return parts.join(PART_SEPARATOR);
1622}
1623
1624/*
1625Given parsed chunks from a real formatting string, generates an array of unit strings (like "day") that indicate
1626in which regard two dates must be similar in order to share range formatting text.
1627The `chunks` can be nested (because of "maybe" chunks), however, the returned array will be flat.
1628*/
1629function buildSameUnits(chunks) {
1630	var units = [];
1631	var i, chunk;
1632	var tokenInfo;
1633
1634	for (i = 0; i < chunks.length; i++) {
1635		chunk = chunks[i];
1636
1637		if (chunk.token) {
1638			tokenInfo = largeTokenMap[chunk.token.charAt(0)];
1639			units.push(tokenInfo ? tokenInfo.unit : 'second'); // default to a very strict same-second
1640		}
1641		else if (chunk.maybe) {
1642			units.push.apply(units, // append
1643				buildSameUnits(chunk.maybe)
1644			);
1645		}
1646		else {
1647			units.push(null);
1648		}
1649	}
1650
1651	return units;
1652}
1653
1654
1655// Rendering to text
1656// ---------------------------------------------------------------------------------------------------------------------
1657
1658/*
1659Formats a date with a fake format string, post-processes the control characters, then returns.
1660*/
1661function renderFakeFormatString(fakeFormatString, date) {
1662	return processMaybeMarkers(
1663		renderFakeFormatStringParts(fakeFormatString, date).join('')
1664	);
1665}
1666
1667/*
1668Formats a date into parts that will have been post-processed, EXCEPT for the "maybe" markers.
1669*/
1670function renderFakeFormatStringParts(fakeFormatString, date) {
1671	var parts = [];
1672	var fakeRender = oldMomentFormat(date, fakeFormatString);

1673	var fakeParts = fakeRender.split(PART_SEPARATOR);
1674	var i, fakePart;
1675
1676	for (i = 0; i < fakeParts.length; i++) {
1677		fakePart = fakeParts[i];
1678
1679		if (fakePart.charAt(0) === SPECIAL_TOKEN_MARKER) {
1680			parts.push(
1681				// the literal string IS the token's name.
1682				// call special token's registered function.
1683				specialTokens[fakePart.substring(1)](date)
1684			);
1685		}
1686		else {
1687			parts.push(fakePart);
1688		}
1689	}
1690
1691	return parts;
1692}
1693
1694/*
1695Accepts an almost-finally-formatted string and processes the "maybe" control characters, returning a new string.
1696*/
1697function processMaybeMarkers(s) {
1698	return s.replace(MAYBE_REGEXP, function(m0, m1) { // regex assumed to have 'g' flag
1699		if (m1.match(/[1-9]/)) { // any non-zero numeric characters?
1700			return m1;
1701		}
1702		else {
1703			return '';
1704		}
1705	});
1706}
1707
1708
1709// Misc Utils
1710// -------------------------------------------------------------------------------------------------
1711
1712/*
1713Returns a unit string, either 'year', 'month', 'day', or null for the most granular formatting token in the string.
1714*/
1715function queryMostGranularFormatUnit(formatStr) {
1716	var chunks = chunkFormatString(formatStr);
1717	var i, chunk;
1718	var candidate;
1719	var best;
1720
1721	for (i = 0; i < chunks.length; i++) {
1722		chunk = chunks[i];
1723
1724		if (chunk.token) {
1725			candidate = largeTokenMap[chunk.token.charAt(0)];
1726			if (candidate) {
1727				if (!best || candidate.value > best.value) {
1728					best = candidate;
1729				}
1730			}
1731		}
1732	}
1733
1734	if (best) {
1735		return best.unit;
1736	}
1737
1738	return null;
1739};
1740
1741})();
1742
1743// quick local references
1744var formatDate = FC.formatDate;
1745var formatRange = FC.formatRange;
1746var oldMomentFormat = FC.oldMomentFormat;
1747
1748;;
1749
1750FC.Class = Class; // export
1751
1752// Class that all other classes will inherit from
1753function Class() { }
1754
1755
1756// Called on a class to create a subclass.
1757// Last argument contains instance methods. Any argument before the last are considered mixins.
1758Class.extend = function() {
1759	var len = arguments.length;
1760	var i;
1761	var members;
1762
1763	for (i = 0; i < len; i++) {
1764		members = arguments[i];
1765		if (i < len - 1) { // not the last argument?
1766			mixIntoClass(this, members);
1767		}
1768	}
1769
1770	return extendClass(this, members || {}); // members will be undefined if no arguments
1771};
1772
1773
1774// Adds new member variables/methods to the class's prototype.
1775// Can be called with another class, or a plain object hash containing new members.
1776Class.mixin = function(members) {
1777	mixIntoClass(this, members);
1778};
1779
1780
1781function extendClass(superClass, members) {
1782	var subClass;
1783
1784	// ensure a constructor for the subclass, forwarding all arguments to the super-constructor if it doesn't exist
1785	if (hasOwnProp(members, 'constructor')) {
1786		subClass = members.constructor;
1787	}
1788	if (typeof subClass !== 'function') {
1789		subClass = members.constructor = function() {
1790			superClass.apply(this, arguments);
1791		};
1792	}
1793
1794	// build the base prototype for the subclass, which is an new object chained to the superclass's prototype
1795	subClass.prototype = createObject(superClass.prototype);
1796
1797	// copy each member variable/method onto the the subclass's prototype
1798	copyOwnProps(members, subClass.prototype);
1799
1800	// copy over all class variables/methods to the subclass, such as `extend` and `mixin`
1801	copyOwnProps(superClass, subClass);
1802
1803	return subClass;
1804}
1805
1806
1807function mixIntoClass(theClass, members) {
1808	copyOwnProps(members, theClass.prototype);
1809}
1810;;
1811
1812/*
1813Wrap jQuery's Deferred Promise object to be slightly more Promise/A+ compliant.
1814With the added non-standard feature of synchronously executing handlers on resolved promises,
1815which doesn't always happen otherwise (esp with nested .then handlers!?),
1816so, this makes things a lot easier, esp because jQuery 3 changed the synchronicity for Deferred objects.
1817
1818TODO: write tests and more comments
1819*/
1820
1821function Promise(executor) {
1822	var deferred = $.Deferred();
1823	var promise = deferred.promise();
1824
1825	if (typeof executor === 'function') {
1826		executor(
1827			function(value) { // resolve
1828				if (Promise.immediate) {
1829					promise._value = value;
1830				}
1831				deferred.resolve(value);
1832			},
1833			function() { // reject
1834				deferred.reject();
1835			}
1836		);
1837	}
1838	
1839	if (Promise.immediate) {
1840		var origThen = promise.then;
1841
1842		promise.then = function(onFulfilled, onRejected) {
1843			var state = promise.state();
1844			
1845			if (state === 'resolved') {
1846				if (typeof onFulfilled === 'function') {
1847					return Promise.resolve(onFulfilled(promise._value));
1848				}
1849			}
1850			else if (state === 'rejected') {
1851				if (typeof onRejected === 'function') {
1852					onRejected();
1853					return promise; // already rejected
1854				}
1855			}
1856
1857			return origThen.call(promise, onFulfilled, onRejected);
1858		};
1859	}
1860
1861	return promise; // instanceof Promise will break :( TODO: make Promise a real class
1862}
1863
1864FC.Promise = Promise;
1865
1866Promise.immediate = true;
1867
1868
1869Promise.resolve = function(value) {
1870	if (value && typeof value.resolve === 'function') {
1871		return value.promise();
1872	}
1873	if (value && typeof value.then === 'function') {
1874		return value;
1875	}
1876	else {
1877		var deferred = $.Deferred().resolve(value);
1878		var promise = deferred.promise();
1879
1880		if (Promise.immediate) {
1881			var origThen = promise.then;
1882
1883			promise._value = value;
1884
1885			promise.then = function(onFulfilled, onRejected) {
1886				if (typeof onFulfilled === 'function') {
1887					return Promise.resolve(onFulfilled(value));
1888				}
1889				return origThen.call(promise, onFulfilled, onRejected);
1890			};
1891		}
1892
1893		return promise;
1894	}
1895};
1896
1897
1898Promise.reject = function() {
1899	return $.Deferred().reject().promise();
1900};
1901
1902
1903Promise.all = function(inputs) {
1904	var hasAllValues = false;

1905	var values;
1906	var i, input;
1907
1908	if (Promise.immediate) {
1909		hasAllValues = true;
1910		values = [];
1911
1912		for (i = 0; i < inputs.length; i++) {
1913			input = inputs[i];
1914
1915			if (input && typeof input.state === 'function' && input.state() === 'resolved' && ('_value' in input)) {
1916				values.push(input._value);
1917			}
1918			else if (input && typeof input.then === 'function') {
1919				hasAllValues = false;
1920				break;
1921			}
1922			else {
1923				values.push(input);
1924			}
1925		}
1926	}
1927
1928	if (hasAllValues) {
1929		return Promise.resolve(values);
1930	}
1931	else {
1932		return $.when.apply($.when, inputs).then(function() {
1933			return $.when($.makeArray(arguments));
1934		});
1935	}
1936};
1937
1938;;
1939
1940// TODO: write tests and clean up code
1941
1942function TaskQueue(debounceWait) {
1943	var q = []; // array of runFuncs
1944
1945	function addTask(taskFunc) {
1946		return new Promise(function(resolve) {
1947
1948			// should run this function when it's taskFunc's turn to run.
1949			// responsible for popping itself off the queue.
1950			var runFunc = function() {
1951				Promise.resolve(taskFunc()) // result might be async, coerce to promise
1952					.then(resolve) // resolve TaskQueue::push's promise, for the caller. will receive result of taskFunc.
1953					.then(function() {
1954						q.shift(); // pop itself off
1955
1956						// run the next task, if any
1957						if (q.length) {
1958							q[0]();
1959						}
1960					});
1961			};
1962
1963			// always put the task at the end of the queue, BEFORE running the task
1964			q.push(runFunc);
1965
1966			// if it's the only task in the queue, run immediately
1967			if (q.length === 1) {
1968				runFunc();
1969			}
1970		});
1971	}
1972
1973	this.add = // potentially debounce, for the public method
1974		typeof debounceWait === 'number' ?
1975			debounce(addTask, debounceWait) :
1976			addTask; // if not a number (null/undefined/false), no debounce at all
1977
1978	this.addQuickly = addTask; // guaranteed no debounce
1979}
1980
1981FC.TaskQueue = TaskQueue;
1982
1983/*
1984q = new TaskQueue();
1985
1986function work(i) {
1987	return q.push(function() {
1988		trigger();
1989		console.log('work' + i);
1990	});
1991}
1992
1993var cnt = 0;
1994
1995function trigger() {
1996	if (cnt < 5) {
1997		cnt++;
1998		work(cnt);
1999	}
2000}
2001
2002work(9);
2003*/
2004
2005;;
2006
2007var EmitterMixin = FC.EmitterMixin = {
2008
2009	// jQuery-ification via $(this) allows a non-DOM object to have
2010	// the same event handling capabilities (including namespaces).
2011
2012
2013	on: function(types, handler) {
2014		$(this).on(types, this._prepareIntercept(handler));
2015		return this; // for chaining
2016	},
2017
2018
2019	one: function(types, handler) {
2020		$(this).one(types, this._prepareIntercept(handler));
2021		return this; // for chaining
2022	},
2023
2024
2025	_prepareIntercept: function(handler) {
2026		// handlers are always called with an "event" object as their first param.
2027		// sneak the `this` context and arguments into the extra parameter object
2028		// and forward them on to the original handler.
2029		var intercept = function(ev, extra) {
2030			return handler.apply(
2031				extra.context || this,
2032				extra.args || []
2033			);
2034		};
2035
2036		// mimick jQuery's internal "proxy" system (risky, I know)
2037		// causing all functions with the same .guid to appear to be the same.
2038		// https://github.com/jquery/jquery/blob/2.2.4/src/core.js#L448
2039		// this is needed for calling .off with the original non-intercept handler.
2040		if (!handler.guid) {
2041			handler.guid = $.guid++;
2042		}
2043		intercept.guid = handler.guid;
2044
2045		return intercept;
2046	},
2047
2048
2049	off: function(types, handler) {
2050		$(this).off(types, handler);
2051
2052		return this; // for chaining
2053	},
2054
2055
2056	trigger: function(types) {
2057		var args = Array.prototype.slice.call(arguments, 1); // arguments after the first
2058
2059		// pass in "extra" info to the intercept
2060		$(this).triggerHandler(types, { args: args });
2061
2062		return this; // for chaining
2063	},
2064
2065
2066	triggerWith: function(types, context, args) {
2067
2068		// `triggerHandler` is less reliant on the DOM compared to `trigger`.
2069		// pass in "extra" info to the intercept.
2070		$(this).triggerHandler(types, { context: context, args: args });
2071
2072		return this; // for chaining
2073	}
2074
2075};
2076
2077;;
2078
2079/*
2080Utility methods for easily listening to events on another object,
2081and more importantly, easily unlistening from them.
2082*/
2083var ListenerMixin = FC.ListenerMixin = (function() {
2084	var guid = 0;
2085	var ListenerMixin = {
2086
2087		listenerId: null,
2088
2089		/*
2090		Given an `other` object that has on/off methods, bind the given `callback` to an event by the given name.
2091		The `callback` will be called with the `this` context of the object that .listenTo is being called on.
2092		Can be called:
2093			.listenTo(other, eventName, callback)
2094		OR
2095			.listenTo(other, {
2096				eventName1: callback1,
2097				eventName2: callback2
2098			})
2099		*/
2100		listenTo: function(other, arg, callback) {
2101			if (typeof arg === 'object') { // given dictionary of callbacks
2102				for (var eventName in arg) {
2103					if (arg.hasOwnProperty(eventName)) {
2104						this.listenTo(other, eventName, arg[eventName]);
2105					}
2106				}
2107			}
2108			else if (typeof arg === 'string') {
2109				other.on(
2110					arg + '.' + this.getListenerNamespace(), // use event namespacing to identify this object
2111					$.proxy(callback, this) // always use `this` context
2112						// the usually-undesired jQuery guid behavior doesn't matter,
2113						// because we always unbind via namespace
2114				);
2115			}
2116		},
2117
2118		/*
2119		Causes the current object to stop listening to events on the `other` object.
2120		`eventName` is optional. If omitted, will stop listening to ALL events on `other`.
2121		*/
2122		stopListeningTo: function(other, eventName) {
2123			other.off((eventName || '') + '.' + this.getListenerNamespace());
2124		},
2125
2126		/*
2127		Returns a string, unique to this object, to be used for event namespacing
2128		*/
2129		getListenerNamespace: function() {
2130			if (this.listenerId == null) {
2131				this.listenerId = guid++;
2132			}
2133			return '_listener' + this.listenerId;
2134		}
2135
2136	};
2137	return ListenerMixin;
2138})();
2139;;
2140
2141/* A rectangular panel that is absolutely positioned over other content
2142------------------------------------------------------------------------------------------------------------------------
2143Options:
2144	- className (string)
2145	- content (HTML string or jQuery element set)
2146	- parentEl
2147	- top
2148	- left
2149	- right (the x coord of where the right edge should be. not a "CSS" right)
2150	- autoHide (boolean)
2151	- show (callback)
2152	- hide (callback)
2153*/
2154
2155var Popover = Class.extend(ListenerMixin, {
2156
2157	isHidden: true,
2158	options: null,
2159	el: null, // the container element for the popover. generated by this object
2160	margin: 10, // the space required between the popover and the edges of the scroll container
2161
2162
2163	constructor: function(options) {
2164		this.options = options || {};
2165	},
2166
2167

2168	// Shows the popover on the specified position. Renders it if not already
2169	show: function() {
2170		if (this.isHidden) {
2171			if (!this.el) {
2172				this.render();
2173			}
2174			this.el.show();
2175			this.position();
2176			this.isHidden = false;
2177			this.trigger('show');
2178		}
2179	},
2180
2181
2182	// Hides the popover, through CSS, but does not remove it from the DOM
2183	hide: function() {
2184		if (!this.isHidden) {
2185			this.el.hide();
2186			this.isHidden = true;
2187			this.trigger('hide');
2188		}
2189	},
2190
2191
2192	// Creates `this.el` and renders content inside of it
2193	render: function() {
2194		var _this = this;
2195		var options = this.options;
2196
2197		this.el = $('<div class="fc-popover"/>')
2198			.addClass(options.className || '')
2199			.css({
2200				// position initially to the top left to avoid creating scrollbars
2201				top: 0,
2202				left: 0
2203			})
2204			.append(options.content)
2205			.appendTo(options.parentEl);
2206
2207		// when a click happens on anything inside with a 'fc-close' className, hide the popover
2208		this.el.on('click', '.fc-close', function() {
2209			_this.hide();
2210		});
2211
2212		if (options.autoHide) {
2213			this.listenTo($(document), 'mousedown', this.documentMousedown);
2214		}
2215	},
2216
2217
2218	// Triggered when the user clicks *anywhere* in the document, for the autoHide feature
2219	documentMousedown: function(ev) {
2220		// only hide the popover if the click happened outside the popover
2221		if (this.el && !$(ev.target).closest(this.el).length) {
2222			this.hide();
2223		}
2224	},
2225
2226
2227	// Hides and unregisters any handlers
2228	removeElement: function() {
2229		this.hide();
2230
2231		if (this.el) {
2232			this.el.remove();
2233			this.el = null;
2234		}
2235
2236		this.stopListeningTo($(document), 'mousedown');
2237	},
2238
2239
2240	// Positions the popover optimally, using the top/left/right options
2241	position: function() {
2242		var options = this.options;
2243		var origin = this.el.offsetParent().offset();
2244		var width = this.el.outerWidth();
2245		var height = this.el.outerHeight();
2246		var windowEl = $(window);
2247		var viewportEl = getScrollParent(this.el);
2248		var viewportTop;
2249		var viewportLeft;
2250		var viewportOffset;
2251		var top; // the "position" (not "offset") values for the popover
2252		var left; //
2253
2254		// compute top and left
2255		top = options.top || 0;
2256		if (options.left !== undefined) {
2257			left = options.left;
2258		}
2259		else if (options.right !== undefined) {
2260			left = options.right - width; // derive the left value from the right value
2261		}
2262		else {
2263			left = 0;
2264		}
2265
2266		if (viewportEl.is(window) || viewportEl.is(document)) { // normalize getScrollParent's result
2267			viewportEl = windowEl;
2268			viewportTop = 0; // the window is always at the top left
2269			viewportLeft = 0; // (and .offset() won't work if called here)
2270		}
2271		else {
2272			viewportOffset = viewportEl.offset();
2273			viewportTop = viewportOffset.top;
2274			viewportLeft = viewportOffset.left;
2275		}
2276
2277		// if the window is scrolled, it causes the visible area to be further down
2278		viewportTop += windowEl.scrollTop();
2279		viewportLeft += windowEl.scrollLeft();
2280
2281		// constrain to the view port. if constrained by two edges, give precedence to top/left
2282		if (options.viewportConstrain !== false) {
2283			top = Math.min(top, viewportTop + viewportEl.outerHeight() - height - this.margin);
2284			top = Math.max(top, viewportTop + this.margin);
2285			left = Math.min(left, viewportLeft + viewportEl.outerWidth() - width - this.margin);
2286			left = Math.max(left, viewportLeft + this.margin);
2287		}
2288
2289		this.el.css({
2290			top: top - origin.top,
2291			left: left - origin.left
2292		});
2293	},
2294
2295
2296	// Triggers a callback. Calls a function in the option hash of the same name.
2297	// Arguments beyond the first `name` are forwarded on.
2298	// TODO: better code reuse for this. Repeat code
2299	trigger: function(name) {
2300		if (this.options[name]) {
2301			this.options[name].apply(this, Array.prototype.slice.call(arguments, 1));
2302		}
2303	}
2304
2305});
2306
2307;;
2308
2309/*
2310A cache for the left/right/top/bottom/width/height values for one or more elements.
2311Works with both offset (from topleft document) and position (from offsetParent).
2312
2313options:
2314- els
2315- isHorizontal
2316- isVertical
2317*/
2318var CoordCache = FC.CoordCache = Class.extend({
2319
2320	els: null, // jQuery set (assumed to be siblings)
2321	forcedOffsetParentEl: null, // options can override the natural offsetParent
2322	origin: null, // {left,top} position of offsetParent of els
2323	boundingRect: null, // constrain cordinates to this rectangle. {left,right,top,bottom} or null
2324	isHorizontal: false, // whether to query for left/right/width
2325	isVertical: false, // whether to query for top/bottom/height
2326
2327	// arrays of coordinates (offsets from topleft of document)
2328	lefts: null,
2329	rights: null,
2330	tops: null,
2331	bottoms: null,
2332
2333
2334	constructor: function(options) {
2335		this.els = $(options.els);
2336		this.isHorizontal = options.isHorizontal;
2337		this.isVertical = options.isVertical;
2338		this.forcedOffsetParentEl = options.offsetParent ? $(options.offsetParent) : null;
2339	},
2340
2341
2342	// Queries the els for coordinates and stores them.
2343	// Call this method before using and of the get* methods below.
2344	build: function() {
2345		var offsetParentEl = this.forcedOffsetParentEl;
2346		if (!offsetParentEl && this.els.length > 0) {
2347			offsetParentEl = this.els.eq(0).offsetParent();
2348		}
2349
2350		this.origin = offsetParentEl ?
2351			offsetParentEl.offset() :
2352			null;
2353

2354		this.boundingRect = this.queryBoundingRect();
2355
2356		if (this.isHorizontal) {
2357			this.buildElHorizontals();
2358		}
2359		if (this.isVertical) {
2360			this.buildElVerticals();
2361		}
2362	},
2363
2364
2365	// Destroys all internal data about coordinates, freeing memory
2366	clear: function() {
2367		this.origin = null;
2368		this.boundingRect = null;
2369		this.lefts = null;
2370		this.rights = null;
2371		this.tops = null;
2372		this.bottoms = null;
2373	},
2374
2375
2376	// When called, if coord caches aren't built, builds them
2377	ensureBuilt: function() {
2378		if (!this.origin) {
2379			this.build();
2380		}
2381	},
2382
2383
2384	// Populates the left/right internal coordinate arrays
2385	buildElHorizontals: function() {
2386		var lefts = [];
2387		var rights = [];
2388
2389		this.els.each(function(i, node) {
2390			var el = $(node);
2391			var left = el.offset().left;
2392			var width = el.outerWidth();
2393
2394			lefts.push(left);
2395			rights.push(left + width);
2396		});
2397
2398		this.lefts = lefts;
2399		this.rights = rights;
2400	},
2401
2402
2403	// Populates the top/bottom internal coordinate arrays
2404	buildElVerticals: function() {
2405		var tops = [];
2406		var bottoms = [];
2407
2408		this.els.each(function(i, node) {
2409			var el = $(node);
2410			var top = el.offset().top;
2411			var height = el.outerHeight();
2412
2413			tops.push(top);
2414			bottoms.push(top + height);
2415		});
2416
2417		this.tops = tops;
2418		this.bottoms = bottoms;
2419	},
2420
2421
2422	// Given a left offset (from document left), returns the index of the el that it horizontally intersects.
2423	// If no intersection is made, returns undefined.
2424	getHorizontalIndex: function(leftOffset) {
2425		this.ensureBuilt();
2426
2427		var lefts = this.lefts;
2428		var rights = this.rights;
2429		var len = lefts.length;
2430		var i;
2431
2432		for (i = 0; i < len; i++) {
2433			if (leftOffset >= lefts[i] && leftOffset < rights[i]) {
2434				return i;
2435			}
2436		}
2437	},
2438
2439
2440	// Given a top offset (from document top), returns the index of the el that it vertically intersects.
2441	// If no intersection is made, returns undefined.
2442	getVerticalIndex: function(topOffset) {
2443		this.ensureBuilt();
2444
2445		var tops = this.tops;
2446		var bottoms = this.bottoms;
2447		var len = tops.length;
2448		var i;
2449
2450		for (i = 0; i < len; i++) {
2451			if (topOffset >= tops[i] && topOffset < bottoms[i]) {
2452				return i;
2453			}
2454		}
2455	},
2456
2457
2458	// Gets the left offset (from document left) of the element at the given index
2459	getLeftOffset: function(leftIndex) {
2460		this.ensureBuilt();
2461		return this.lefts[leftIndex];
2462	},
2463
2464
2465	// Gets the left position (from offsetParent left) of the element at the given index
2466	getLeftPosition: function(leftIndex) {
2467		this.ensureBuilt();
2468		return this.lefts[leftIndex] - this.origin.left;
2469	},
2470
2471
2472	// Gets the right offset (from document left) of the element at the given index.
2473	// This value is NOT relative to the document's right edge, like the CSS concept of "right" would be.
2474	getRightOffset: function(leftIndex) {
2475		this.ensureBuilt();
2476		return this.rights[leftIndex];
2477	},
2478
2479
2480	// Gets the right position (from offsetParent left) of the element at the given index.
2481	// This value is NOT relative to the offsetParent's right edge, like the CSS concept of "right" would be.
2482	getRightPosition: function(leftIndex) {
2483		this.ensureBuilt();
2484		return this.rights[leftIndex] - this.origin.left;
2485	},
2486
2487
2488	// Gets the width of the element at the given index
2489	getWidth: function(leftIndex) {
2490		this.ensureBuilt();
2491		return this.rights[leftIndex] - this.lefts[leftIndex];
2492	},
2493
2494
2495	// Gets the top offset (from document top) of the element at the given index
2496	getTopOffset: function(topIndex) {
2497		this.ensureBuilt();
2498		return this.tops[topIndex];
2499	},
2500
2501
2502	// Gets the top position (from offsetParent top) of the element at the given position
2503	getTopPosition: function(topIndex) {
2504		this.ensureBuilt();
2505		return this.tops[topIndex] - this.origin.top;
2506	},
2507
2508	// Gets the bottom offset (from the document top) of the element at the given index.
2509	// This value is NOT relative to the offsetParent's bottom edge, like the CSS concept of "bottom" would be.
2510	getBottomOffset: function(topIndex) {
2511		this.ensureBuilt();
2512		return this.bottoms[topIndex];
2513	},
2514
2515
2516	// Gets the bottom position (from the offsetParent top) of the element at the given index.
2517	// This value is NOT relative to the offsetParent's bottom edge, like the CSS concept of "bottom" would be.
2518	getBottomPosition: function(topIndex) {
2519		this.ensureBuilt();
2520		return this.bottoms[topIndex] - this.origin.top;
2521	},
2522
2523
2524	// Gets the height of the element at the given index
2525	getHeight: function(topIndex) {
2526		this.ensureBuilt();
2527		return this.bottoms[topIndex] - this.tops[topIndex];
2528	},
2529
2530
2531	// Bounding Rect
2532	// TODO: decouple this from CoordCache
2533
2534	// Compute and return what the elements' bounding rectangle is, from the user's perspective.
2535	// Right now, only returns a rectangle if constrained by an overflow:scroll element.
2536	// Returns null if there are no elements
2537	queryBoundingRect: function() {
2538		var scrollParentEl;
2539
2540		if (this.els.length > 0) {
2541			scrollParentEl = getScrollParent(this.els.eq(0));
2542
2543			if (!scrollParentEl.is(document)) {
2544				return getClientRect(scrollParentEl);
2545			}
2546		}
2547
2548		return null;
2549	},
2550
2551	isPointInBounds: function(leftOffset, topOffset) {
2552		return this.isLeftInBounds(leftOffset) && this.isTopInBounds(topOffset);
2553	},
2554
2555	isLeftInBounds: function(leftOffset) {
2556		return !this.boundingRect || (leftOffset >= this.boundingRect.left && leftOffset < this.boundingRect.right);
2557	},
2558
2559	isTopInBounds: function(topOffset) {
2560		return !this.boundingRect || (topOffset >= this.boundingRect.top && topOffset < this.boundingRect.bottom);
2561	}
2562
2563});
2564
2565;;
2566
2567/* Tracks a drag's mouse movement, firing various handlers
2568----------------------------------------------------------------------------------------------------------------------*/
2569// TODO: use Emitter
2570
2571var DragListener = FC.DragListener = Class.extend(ListenerMixin, {
2572
2573	options: null,
2574	subjectEl: null,
2575

2576	// coordinates of the initial mousedown
2577	originX: null,
2578	originY: null,
2579
2580	// the wrapping element that scrolls, or MIGHT scroll if there's overflow.
2581	// TODO: do this for wrappers that have overflow:hidden as well.
2582	scrollEl: null,
2583
2584	isInteracting: false,
2585	isDistanceSurpassed: false,
2586	isDelayEnded: false,
2587	isDragging: false,
2588	isTouch: false,
2589
2590	delay: null,
2591	delayTimeoutId: null,
2592	minDistance: null,
2593
2594	shouldCancelTouchScroll: true,
2595	scrollAlwaysKills: false,
2596
2597
2598	constructor: function(options) {
2599		this.options = options || {};
2600	},
2601
2602
2603	// Interaction (high-level)
2604	// -----------------------------------------------------------------------------------------------------------------
2605
2606
2607	startInteraction: function(ev, extraOptions) {
2608		var isTouch = getEvIsTouch(ev);
2609
2610		if (ev.type === 'mousedown') {
2611			if (GlobalEmitter.get().shouldIgnoreMouse()) {
2612				return;
2613			}
2614			else if (!isPrimaryMouseButton(ev)) {
2615				return;
2616			}
2617			else {
2618				ev.preventDefault(); // prevents native selection in most browsers
2619			}
2620		}
2621
2622		if (!this.isInteracting) {
2623
2624			// process options
2625			extraOptions = extraOptions || {};
2626			this.delay = firstDefined(extraOptions.delay, this.options.delay, 0);
2627			this.minDistance = firstDefined(extraOptions.distance, this.options.distance, 0);
2628			this.subjectEl = this.options.subjectEl;
2629
2630			preventSelection($('body'));
2631
2632			this.isInteracting = true;
2633			this.isTouch = isTouch;
2634			this.isDelayEnded = false;
2635			this.isDistanceSurpassed = false;
2636
2637			this.originX = getEvX(ev);
2638			this.originY = getEvY(ev);
2639			this.scrollEl = getScrollParent($(ev.target));
2640
2641			this.bindHandlers();
2642			this.initAutoScroll();
2643			this.handleInteractionStart(ev);
2644			this.startDelay(ev);
2645
2646			if (!this.minDistance) {
2647				this.handleDistanceSurpassed(ev);
2648			}
2649		}
2650	},
2651
2652
2653	handleInteractionStart: function(ev) {
2654		this.trigger('interactionStart', ev);
2655	},
2656
2657
2658	endInteraction: function(ev, isCancelled) {
2659		if (this.isInteracting) {
2660			this.endDrag(ev);
2661
2662			if (this.delayTimeoutId) {
2663				clearTimeout(this.delayTimeoutId);
2664				this.delayTimeoutId = null;
2665			}
2666
2667			this.destroyAutoScroll();
2668			this.unbindHandlers();
2669
2670			this.isInteracting = false;
2671			this.handleInteractionEnd(ev, isCancelled);
2672
2673			allowSelection($('body'));
2674		}
2675	},
2676
2677
2678	handleInteractionEnd: function(ev, isCancelled) {
2679		this.trigger('interactionEnd', ev, isCancelled || false);
2680	},
2681
2682
2683	// Binding To DOM
2684	// -----------------------------------------------------------------------------------------------------------------
2685
2686
2687	bindHandlers: function() {
2688		// some browsers (Safari in iOS 10) don't allow preventDefault on touch events that are bound after touchstart,
2689		// so listen to the GlobalEmitter singleton, which is always bound, instead of the document directly.
2690		var globalEmitter = GlobalEmitter.get();
2691
2692		if (this.isTouch) {
2693			this.listenTo(globalEmitter, {
2694				touchmove: this.handleTouchMove,
2695				touchend: this.endInteraction,
2696				scroll: this.handleTouchScroll
2697			});
2698		}
2699		else {
2700			this.listenTo(globalEmitter, {
2701				mousemove: this.handleMouseMove,
2702				mouseup: this.endInteraction
2703			});
2704		}
2705
2706		this.listenTo(globalEmitter, {
2707			selectstart: preventDefault, // don't allow selection while dragging
2708			contextmenu: preventDefault // long taps would open menu on Chrome dev tools
2709		});
2710	},
2711
2712
2713	unbindHandlers: function() {
2714		this.stopListeningTo(GlobalEmitter.get());
2715	},
2716
2717
2718	// Drag (high-level)
2719	// -----------------------------------------------------------------------------------------------------------------
2720
2721
2722	// extraOptions ignored if drag already started
2723	startDrag: function(ev, extraOptions) {
2724		this.startInteraction(ev, extraOptions); // ensure interaction began
2725
2726		if (!this.isDragging) {
2727			this.isDragging = true;
2728			this.handleDragStart(ev);
2729		}
2730	},
2731
2732
2733	handleDragStart: function(ev) {
2734		this.trigger('dragStart', ev);
2735	},
2736
2737
2738	handleMove: function(ev) {
2739		var dx = getEvX(ev) - this.originX;
2740		var dy = getEvY(ev) - this.originY;
2741		var minDistance = this.minDistance;
2742		var distanceSq; // current distance from the origin, squared
2743
2744		if (!this.isDistanceSurpassed) {
2745			distanceSq = dx * dx + dy * dy;
2746			if (distanceSq >= minDistance * minDistance) { // use pythagorean theorem
2747				this.handleDistanceSurpassed(ev);
2748			}
2749		}
2750
2751		if (this.isDragging) {
2752			this.handleDrag(dx, dy, ev);
2753		}
2754	},
2755
2756
2757	// Called while the mouse is being moved and when we know a legitimate drag is taking place
2758	handleDrag: function(dx, dy, ev) {
2759		this.trigger('drag', dx, dy, ev);
2760		this.updateAutoScroll(ev); // will possibly cause scrolling
2761	},
2762
2763
2764	endDrag: function(ev) {
2765		if (this.isDragging) {
2766			this.isDragging = false;

2767			this.handleDragEnd(ev);
2768		}
2769	},
2770
2771
2772	handleDragEnd: function(ev) {
2773		this.trigger('dragEnd', ev);
2774	},
2775
2776
2777	// Delay
2778	// -----------------------------------------------------------------------------------------------------------------
2779
2780
2781	startDelay: function(initialEv) {
2782		var _this = this;
2783
2784		if (this.delay) {
2785			this.delayTimeoutId = setTimeout(function() {
2786				_this.handleDelayEnd(initialEv);
2787			}, this.delay);
2788		}
2789		else {
2790			this.handleDelayEnd(initialEv);
2791		}
2792	},
2793
2794
2795	handleDelayEnd: function(initialEv) {
2796		this.isDelayEnded = true;
2797
2798		if (this.isDistanceSurpassed) {
2799			this.startDrag(initialEv);
2800		}
2801	},
2802
2803
2804	// Distance
2805	// -----------------------------------------------------------------------------------------------------------------
2806
2807
2808	handleDistanceSurpassed: function(ev) {
2809		this.isDistanceSurpassed = true;
2810
2811		if (this.isDelayEnded) {
2812			this.startDrag(ev);
2813		}
2814	},
2815
2816
2817	// Mouse / Touch
2818	// -----------------------------------------------------------------------------------------------------------------
2819
2820
2821	handleTouchMove: function(ev) {
2822
2823		// prevent inertia and touchmove-scrolling while dragging
2824		if (this.isDragging && this.shouldCancelTouchScroll) {
2825			ev.preventDefault();
2826		}
2827
2828		this.handleMove(ev);
2829	},
2830
2831
2832	handleMouseMove: function(ev) {
2833		this.handleMove(ev);
2834	},
2835
2836
2837	// Scrolling (unrelated to auto-scroll)
2838	// -----------------------------------------------------------------------------------------------------------------
2839
2840
2841	handleTouchScroll: function(ev) {
2842		// if the drag is being initiated by touch, but a scroll happens before
2843		// the drag-initiating delay is over, cancel the drag
2844		if (!this.isDragging || this.scrollAlwaysKills) {
2845			this.endInteraction(ev, true); // isCancelled=true
2846		}
2847	},
2848
2849
2850	// Utils
2851	// -----------------------------------------------------------------------------------------------------------------
2852
2853
2854	// Triggers a callback. Calls a function in the option hash of the same name.
2855	// Arguments beyond the first `name` are forwarded on.
2856	trigger: function(name) {
2857		if (this.options[name]) {
2858			this.options[name].apply(this, Array.prototype.slice.call(arguments, 1));
2859		}
2860		// makes _methods callable by event name. TODO: kill this
2861		if (this['_' + name]) {
2862			this['_' + name].apply(this, Array.prototype.slice.call(arguments, 1));
2863		}
2864	}
2865
2866
2867});
2868
2869;;
2870/*
2871this.scrollEl is set in DragListener
2872*/
2873DragListener.mixin({
2874
2875	isAutoScroll: false,
2876
2877	scrollBounds: null, // { top, bottom, left, right }
2878	scrollTopVel: null, // pixels per second
2879	scrollLeftVel: null, // pixels per second
2880	scrollIntervalId: null, // ID of setTimeout for scrolling animation loop
2881
2882	// defaults
2883	scrollSensitivity: 30, // pixels from edge for scrolling to start
2884	scrollSpeed: 200, // pixels per second, at maximum speed
2885	scrollIntervalMs: 50, // millisecond wait between scroll increment
2886
2887
2888	initAutoScroll: function() {
2889		var scrollEl = this.scrollEl;
2890
2891		this.isAutoScroll =
2892			this.options.scroll &&
2893			scrollEl &&
2894			!scrollEl.is(window) &&
2895			!scrollEl.is(document);
2896
2897		if (this.isAutoScroll) {
2898			// debounce makes sure rapid calls don't happen
2899			this.listenTo(scrollEl, 'scroll', debounce(this.handleDebouncedScroll, 100));
2900		}
2901	},
2902
2903
2904	destroyAutoScroll: function() {
2905		this.endAutoScroll(); // kill any animation loop
2906
2907		// remove the scroll handler if there is a scrollEl
2908		if (this.isAutoScroll) {
2909			this.stopListeningTo(this.scrollEl, 'scroll'); // will probably get removed by unbindHandlers too :(
2910		}
2911	},
2912
2913
2914	// Computes and stores the bounding rectangle of scrollEl
2915	computeScrollBounds: function() {
2916		if (this.isAutoScroll) {
2917			this.scrollBounds = getOuterRect(this.scrollEl);
2918			// TODO: use getClientRect in future. but prevents auto scrolling when on top of scrollbars
2919		}
2920	},
2921
2922
2923	// Called when the dragging is in progress and scrolling should be updated
2924	updateAutoScroll: function(ev) {
2925		var sensitivity = this.scrollSensitivity;
2926		var bounds = this.scrollBounds;
2927		var topCloseness, bottomCloseness;
2928		var leftCloseness, rightCloseness;
2929		var topVel = 0;
2930		var leftVel = 0;
2931
2932		if (bounds) { // only scroll if scrollEl exists
2933

2934			// compute closeness to edges. valid range is from 0.0 - 1.0
2935			topCloseness = (sensitivity - (getEvY(ev) - bounds.top)) / sensitivity;
2936			bottomCloseness = (sensitivity - (bounds.bottom - getEvY(ev))) / sensitivity;
2937			leftCloseness = (sensitivity - (getEvX(ev) - bounds.left)) / sensitivity;
2938			rightCloseness = (sensitivity - (bounds.right - getEvX(ev))) / sensitivity;
2939
2940			// translate vertical closeness into velocity.
2941			// mouse must be completely in bounds for velocity to happen.
2942			if (topCloseness >= 0 && topCloseness <= 1) {
2943				topVel = topCloseness * this.scrollSpeed * -1; // negative. for scrolling up
2944			}
2945			else if (bottomCloseness >= 0 && bottomCloseness <= 1) {
2946				topVel = bottomCloseness * this.scrollSpeed;
2947			}
2948
2949			// translate horizontal closeness into velocity
2950			if (leftCloseness >= 0 && leftCloseness <= 1) {
2951				leftVel = leftCloseness * this.scrollSpeed * -1; // negative. for scrolling left
2952			}
2953			else if (rightCloseness >= 0 && rightCloseness <= 1) {
2954				leftVel = rightCloseness * this.scrollSpeed;
2955			}
2956		}
2957
2958		this.setScrollVel(topVel, leftVel);
2959	},
2960
2961
2962	// Sets the speed-of-scrolling for the scrollEl
2963	setScrollVel: function(topVel, leftVel) {
2964
2965		this.scrollTopVel = topVel;
2966		this.scrollLeftVel = leftVel;
2967
2968		this.constrainScrollVel(); // massages into realistic values
2969
2970		// if there is non-zero velocity, and an animation loop hasn't already started, then START
2971		if ((this.scrollTopVel || this.scrollLeftVel) && !this.scrollIntervalId) {
2972			this.scrollIntervalId = setInterval(
2973				proxy(this, 'scrollIntervalFunc'), // scope to `this`
2974				this.scrollIntervalMs
2975			);
2976		}
2977	},
2978
2979
2980	// Forces scrollTopVel and scrollLeftVel to be zero if scrolling has already gone all the way
2981	constrainScrollVel: function() {
2982		var el = this.scrollEl;
2983
2984		if (this.scrollTopVel < 0) { // scrolling up?
2985			if (el.scrollTop() <= 0) { // already scrolled all the way up?
2986				this.scrollTopVel = 0;
2987			}
2988		}
2989		else if (this.scrollTopVel > 0) { // scrolling down?
2990			if (el.scrollTop() + el[0].clientHeight >= el[0].scrollHeight) { // already scrolled all the way down?
2991				this.scrollTopVel = 0;
2992			}
2993		}
2994
2995		if (this.scrollLeftVel < 0) { // scrolling left?
2996			if (el.scrollLeft() <= 0) { // already scrolled all the left?
2997				this.scrollLeftVel = 0;
2998			}
2999		}
3000		else if (this.scrollLeftVel > 0) { // scrolling right?
3001			if (el.scrollLeft() + el[0].clientWidth >= el[0].scrollWidth) { // already scrolled all the way right?
3002				this.scrollLeftVel = 0;
3003			}
3004		}
3005	},
3006
3007
3008	// This function gets called during every iteration of the scrolling animation loop
3009	scrollIntervalFunc: function() {
3010		var el = this.scrollEl;
3011		var frac = this.scrollIntervalMs / 1000; // considering animation frequency, what the vel should be mult'd by
3012
3013		// change the value of scrollEl's scroll
3014		if (this.scrollTopVel) {
3015			el.scrollTop(el.scrollTop() + this.scrollTopVel * frac);
3016		}
3017		if (this.scrollLeftVel) {
3018			el.scrollLeft(el.scrollLeft() + this.scrollLeftVel * frac);
3019		}
3020
3021		this.constrainScrollVel(); // since the scroll values changed, recompute the velocities
3022
3023		// if scrolled all the way, which causes the vels to be zero, stop the animation loop
3024		if (!this.scrollTopVel && !this.scrollLeftVel) {
3025			this.endAutoScroll();
3026		}
3027	},
3028
3029
3030	// Kills any existing scrolling animation loop
3031	endAutoScroll: function() {
3032		if (this.scrollIntervalId) {
3033			clearInterval(this.scrollIntervalId);
3034			this.scrollIntervalId = null;
3035
3036			this.handleScrollEnd();
3037		}
3038	},
3039
3040
3041	// Get called when the scrollEl is scrolled (NOTE: this is delayed via debounce)
3042	handleDebouncedScroll: function() {
3043		// recompute all coordinates, but *only* if this is *not* part of our scrolling animation
3044		if (!this.scrollIntervalId) {
3045			this.handleScrollEnd();
3046		}
3047	},
3048
3049
3050	// Called when scrolling has stopped, whether through auto scroll, or the user scrolling
3051	handleScrollEnd: function() {
3052	}
3053
3054});
3055;;
3056
3057/* Tracks mouse movements over a component and raises events about which hit the mouse is over.
3058------------------------------------------------------------------------------------------------------------------------
3059options:
3060- subjectEl
3061- subjectCenter
3062*/
3063
3064var HitDragListener = DragListener.extend({
3065
3066	component: null, // converts coordinates to hits
3067		// methods: hitsNeeded, hitsNotNeeded, queryHit
3068
3069	origHit: null, // the hit the mouse was over when listening started
3070	hit: null, // the hit the mouse is over

3071	coordAdjust: null, // delta that will be added to the mouse coordinates when computing collisions
3072
3073
3074	constructor: function(component, options) {
3075		DragListener.call(this, options); // call the super-constructor
3076
3077		this.component = component;
3078	},
3079
3080
3081	// Called when drag listening starts (but a real drag has not necessarily began).
3082	// ev might be undefined if dragging was started manually.
3083	handleInteractionStart: function(ev) {
3084		var subjectEl = this.subjectEl;
3085		var subjectRect;
3086		var origPoint;
3087		var point;
3088
3089		this.component.hitsNeeded();
3090		this.computeScrollBounds(); // for autoscroll
3091
3092		if (ev) {
3093			origPoint = { left: getEvX(ev), top: getEvY(ev) };
3094			point = origPoint;
3095
3096			// constrain the point to bounds of the element being dragged
3097			if (subjectEl) {
3098				subjectRect = getOuterRect(subjectEl); // used for centering as well
3099				point = constrainPoint(point, subjectRect);
3100			}
3101
3102			this.origHit = this.queryHit(point.left, point.top);
3103
3104			// treat the center of the subject as the collision point?
3105			if (subjectEl && this.options.subjectCenter) {
3106
3107				// only consider the area the subject overlaps the hit. best for large subjects.
3108				// TODO: skip this if hit didn't supply left/right/top/bottom
3109				if (this.origHit) {
3110					subjectRect = intersectRects(this.origHit, subjectRect) ||
3111						subjectRect; // in case there is no intersection
3112				}
3113
3114				point = getRectCenter(subjectRect);
3115			}
3116
3117			this.coordAdjust = diffPoints(point, origPoint); // point - origPoint
3118		}
3119		else {
3120			this.origHit = null;
3121			this.coordAdjust = null;
3122		}
3123
3124		// call the super-method. do it after origHit has been computed
3125		DragListener.prototype.handleInteractionStart.apply(this, arguments);
3126	},
3127
3128
3129	// Called when the actual drag has started
3130	handleDragStart: function(ev) {
3131		var hit;
3132
3133		DragListener.prototype.handleDragStart.apply(this, arguments); // call the super-method
3134
3135		// might be different from this.origHit if the min-distance is large
3136		hit = this.queryHit(getEvX(ev), getEvY(ev));
3137
3138		// report the initial hit the mouse is over
3139		// especially important if no min-distance and drag starts immediately
3140		if (hit) {
3141			this.handleHitOver(hit);
3142		}
3143	},
3144
3145
3146	// Called when the drag moves
3147	handleDrag: function(dx, dy, ev) {
3148		var hit;
3149
3150		DragListener.prototype.handleDrag.apply(this, arguments); // call the super-method
3151
3152		hit = this.queryHit(getEvX(ev), getEvY(ev));
3153
3154		if (!isHitsEqual(hit, this.hit)) { // a different hit than before?
3155			if (this.hit) {
3156				this.handleHitOut();
3157			}
3158			if (hit) {
3159				this.handleHitOver(hit);
3160			}
3161		}
3162	},
3163
3164
3165	// Called when dragging has been stopped
3166	handleDragEnd: function() {
3167		this.handleHitDone();
3168		DragListener.prototype.handleDragEnd.apply(this, arguments); // call the super-method
3169	},
3170
3171
3172	// Called when a the mouse has just moved over a new hit
3173	handleHitOver: function(hit) {
3174		var isOrig = isHitsEqual(hit, this.origHit);
3175
3176		this.hit = hit;
3177
3178		this.trigger('hitOver', this.hit, isOrig, this.origHit);
3179	},
3180
3181
3182	// Called when the mouse has just moved out of a hit
3183	handleHitOut: function() {
3184		if (this.hit) {
3185			this.trigger('hitOut', this.hit);
3186			this.handleHitDone();
3187			this.hit = null;
3188		}
3189	},
3190
3191
3192	// Called after a hitOut. Also called before a dragStop
3193	handleHitDone: function() {
3194		if (this.hit) {
3195			this.trigger('hitDone', this.hit);
3196		}
3197	},
3198
3199
3200	// Called when the interaction ends, whether there was a real drag or not
3201	handleInteractionEnd: function() {
3202		DragListener.prototype.handleInteractionEnd.apply(this, arguments); // call the super-method
3203
3204		this.origHit = null;
3205		this.hit = null;
3206
3207		this.component.hitsNotNeeded();
3208	},
3209
3210
3211	// Called when scrolling has stopped, whether through auto scroll, or the user scrolling
3212	handleScrollEnd: function() {
3213		DragListener.prototype.handleScrollEnd.apply(this, arguments); // call the super-method
3214
3215		// hits' absolute positions will be in new places after a user's scroll.
3216		// HACK for recomputing.
3217		if (this.isDragging) {
3218			this.component.releaseHits();
3219			this.component.prepareHits();
3220		}
3221	},
3222
3223
3224	// Gets the hit underneath the coordinates for the given mouse event
3225	queryHit: function(left, top) {
3226
3227		if (this.coordAdjust) {
3228			left += this.coordAdjust.left;
3229			top += this.coordAdjust.top;
3230		}
3231
3232		return this.component.queryHit(left, top);
3233	}
3234
3235});
3236
3237
3238// Returns `true` if the hits are identically equal. `false` otherwise. Must be from the same component.
3239// Two null values will be considered equal, as two "out of the component" states are the same.
3240function isHitsEqual(hit0, hit1) {
3241
3242	if (!hit0 && !hit1) {
3243		return true;
3244	}
3245
3246	if (hit0 && hit1) {
3247		return hit0.component === hit1.component &&
3248			isHitPropsWithin(hit0, hit1) &&
3249			isHitPropsWithin(hit1, hit0); // ensures all props are identical
3250	}
3251
3252	return false;

3253}
3254
3255
3256// Returns true if all of subHit's non-standard properties are within superHit
3257function isHitPropsWithin(subHit, superHit) {
3258	for (var propName in subHit) {
3259		if (!/^(component|left|right|top|bottom)$/.test(propName)) {
3260			if (subHit[propName] !== superHit[propName]) {
3261				return false;
3262			}
3263		}
3264	}
3265	return true;
3266}
3267
3268;;
3269
3270/*
3271Listens to document and window-level user-interaction events, like touch events and mouse events,
3272and fires these events as-is to whoever is observing a GlobalEmitter.
3273Best when used as a singleton via GlobalEmitter.get()
3274
3275Normalizes mouse/touch events. For examples:
3276- ignores the the simulated mouse events that happen after a quick tap: mousemove+mousedown+mouseup+click
3277- compensates for various buggy scenarios where a touchend does not fire
3278*/
3279
3280FC.touchMouseIgnoreWait = 500;
3281
3282var GlobalEmitter = Class.extend(ListenerMixin, EmitterMixin, {
3283
3284	isTouching: false,
3285	mouseIgnoreDepth: 0,
3286	handleScrollProxy: null,
3287
3288
3289	bind: function() {
3290		var _this = this;
3291
3292		this.listenTo($(document), {
3293			touchstart: this.handleTouchStart,
3294			touchcancel: this.handleTouchCancel,
3295			touchend: this.handleTouchEnd,
3296			mousedown: this.handleMouseDown,
3297			mousemove: this.handleMouseMove,
3298			mouseup: this.handleMouseUp,
3299			click: this.handleClick,
3300			selectstart: this.handleSelectStart,
3301			contextmenu: this.handleContextMenu
3302		});
3303
3304		// because we need to call preventDefault
3305		// because https://www.chromestatus.com/features/5093566007214080
3306		// TODO: investigate performance because this is a global handler
3307		window.addEventListener(
3308			'touchmove',
3309			this.handleTouchMoveProxy = function(ev) {
3310				_this.handleTouchMove($.Event(ev));
3311			},
3312			{ passive: false } // allows preventDefault()
3313		);
3314
3315		// attach a handler to get called when ANY scroll action happens on the page.
3316		// this was impossible to do with normal on/off because 'scroll' doesn't bubble.
3317		// http://stackoverflow.com/a/32954565/96342
3318		window.addEventListener(
3319			'scroll',
3320			this.handleScrollProxy = function(ev) {
3321				_this.handleScroll($.Event(ev));
3322			},
3323			true // useCapture
3324		);
3325	},
3326
3327	unbind: function() {
3328		this.stopListeningTo($(document));
3329
3330		window.removeEventListener(
3331			'touchmove',
3332			this.handleTouchMoveProxy
3333		);
3334
3335		window.removeEventListener(
3336			'scroll',
3337			this.handleScrollProxy,
3338			true // useCapture
3339		);
3340	},
3341
3342
3343	// Touch Handlers
3344	// -----------------------------------------------------------------------------------------------------------------
3345
3346	handleTouchStart: function(ev) {
3347
3348		// if a previous touch interaction never ended with a touchend, then implicitly end it,
3349		// but since a new touch interaction is about to begin, don't start the mouse ignore period.
3350		this.stopTouch(ev, true); // skipMouseIgnore=true
3351
3352		this.isTouching = true;
3353		this.trigger('touchstart', ev);
3354	},
3355
3356	handleTouchMove: function(ev) {
3357		if (this.isTouching) {
3358			this.trigger('touchmove', ev);
3359		}
3360	},
3361
3362	handleTouchCancel: function(ev) {
3363		if (this.isTouching) {
3364			this.trigger('touchcancel', ev);
3365
3366			// Have touchcancel fire an artificial touchend. That way, handlers won't need to listen to both.
3367			// If touchend fires later, it won't have any effect b/c isTouching will be false.
3368			this.stopTouch(ev);
3369		}
3370	},
3371
3372	handleTouchEnd: function(ev) {
3373		this.stopTouch(ev);
3374	},
3375
3376
3377	// Mouse Handlers
3378	// -----------------------------------------------------------------------------------------------------------------
3379
3380	handleMouseDown: function(ev) {
3381		if (!this.shouldIgnoreMouse()) {
3382			this.trigger('mousedown', ev);
3383		}
3384	},
3385
3386	handleMouseMove: function(ev) {
3387		if (!this.shouldIgnoreMouse()) {
3388			this.trigger('mousemove', ev);
3389		}
3390	},
3391
3392	handleMouseUp: function(ev) {
3393		if (!this.shouldIgnoreMouse()) {
3394			this.trigger('mouseup', ev);
3395		}
3396	},
3397
3398	handleClick: function(ev) {
3399		if (!this.shouldIgnoreMouse()) {
3400			this.trigger('click', ev);
3401		}
3402	},
3403
3404
3405	// Misc Handlers
3406	// -----------------------------------------------------------------------------------------------------------------
3407
3408	handleSelectStart: function(ev) {
3409		this.trigger('selectstart', ev);
3410	},
3411
3412	handleContextMenu: function(ev) {
3413		this.trigger('contextmenu', ev);
3414	},
3415
3416	handleScroll: function(ev) {
3417		this.trigger('scroll', ev);
3418	},
3419
3420
3421	// Utils
3422	// -----------------------------------------------------------------------------------------------------------------
3423
3424	stopTouch: function(ev, skipMouseIgnore) {
3425		if (this.isTouching) {
3426			this.isTouching = false;

3427			this.trigger('touchend', ev);
3428
3429			if (!skipMouseIgnore) {
3430				this.startTouchMouseIgnore();
3431			}
3432		}
3433	},
3434
3435	startTouchMouseIgnore: function() {
3436		var _this = this;
3437		var wait = FC.touchMouseIgnoreWait;
3438
3439		if (wait) {
3440			this.mouseIgnoreDepth++;
3441			setTimeout(function() {
3442				_this.mouseIgnoreDepth--;
3443			}, wait);
3444		}
3445	},
3446
3447	shouldIgnoreMouse: function() {
3448		return this.isTouching || Boolean(this.mouseIgnoreDepth);
3449	}
3450
3451});
3452
3453
3454// Singleton
3455// ---------------------------------------------------------------------------------------------------------------------
3456
3457(function() {
3458	var globalEmitter = null;
3459	var neededCount = 0;
3460
3461
3462	// gets the singleton
3463	GlobalEmitter.get = function() {
3464
3465		if (!globalEmitter) {
3466			globalEmitter = new GlobalEmitter();
3467			globalEmitter.bind();
3468		}
3469
3470		return globalEmitter;
3471	};
3472
3473
3474	// called when an object knows it will need a GlobalEmitter in the near future.
3475	GlobalEmitter.needed = function() {
3476		GlobalEmitter.get(); // ensures globalEmitter
3477		neededCount++;
3478	};
3479
3480
3481	// called when the object that originally called needed() doesn't need a GlobalEmitter anymore.
3482	GlobalEmitter.unneeded = function() {
3483		neededCount--;
3484
3485		if (!neededCount) { // nobody else needs it
3486			globalEmitter.unbind();
3487			globalEmitter = null;
3488		}
3489	};
3490
3491})();
3492
3493;;
3494
3495/* Creates a clone of an element and lets it track the mouse as it moves
3496----------------------------------------------------------------------------------------------------------------------*/
3497
3498var MouseFollower = Class.extend(ListenerMixin, {
3499
3500	options: null,
3501
3502	sourceEl: null, // the element that will be cloned and made to look like it is dragging
3503	el: null, // the clone of `sourceEl` that will track the mouse
3504	parentEl: null, // the element that `el` (the clone) will be attached to
3505
3506	// the initial position of el, relative to the offset parent. made to match the initial offset of sourceEl
3507	top0: null,
3508	left0: null,
3509
3510	// the absolute coordinates of the initiating touch/mouse action
3511	y0: null,
3512	x0: null,
3513
3514	// the number of pixels the mouse has moved from its initial position
3515	topDelta: null,
3516	leftDelta: null,
3517
3518	isFollowing: false,
3519	isHidden: false,
3520	isAnimating: false, // doing the revert animation?
3521
3522	constructor: function(sourceEl, options) {
3523		this.options = options = options || {};
3524		this.sourceEl = sourceEl;
3525		this.parentEl = options.parentEl ? $(options.parentEl) : sourceEl.parent(); // default to sourceEl's parent
3526	},
3527
3528
3529	// Causes the element to start following the mouse
3530	start: function(ev) {
3531		if (!this.isFollowing) {
3532			this.isFollowing = true;
3533
3534			this.y0 = getEvY(ev);
3535			this.x0 = getEvX(ev);
3536			this.topDelta = 0;
3537			this.leftDelta = 0;
3538
3539			if (!this.isHidden) {
3540				this.updatePosition();
3541			}
3542
3543			if (getEvIsTouch(ev)) {
3544				this.listenTo($(document), 'touchmove', this.handleMove);
3545			}
3546			else {
3547				this.listenTo($(document), 'mousemove', this.handleMove);
3548			}
3549		}
3550	},
3551
3552
3553	// Causes the element to stop following the mouse. If shouldRevert is true, will animate back to original position.
3554	// `callback` gets invoked when the animation is complete. If no animation, it is invoked immediately.
3555	stop: function(shouldRevert, callback) {
3556		var _this = this;
3557		var revertDuration = this.options.revertDuration;
3558
3559		function complete() { // might be called by .animate(), which might change `this` context
3560			_this.isAnimating = false;
3561			_this.removeElement();
3562
3563			_this.top0 = _this.left0 = null; // reset state for future updatePosition calls
3564
3565			if (callback) {
3566				callback();
3567			}
3568		}
3569
3570		if (this.isFollowing && !this.isAnimating) { // disallow more than one stop animation at a time
3571			this.isFollowing = false;
3572
3573			this.stopListeningTo($(document));
3574
3575			if (shouldRevert && revertDuration && !this.isHidden) { // do a revert animation?
3576				this.isAnimating = true;
3577				this.el.animate({
3578					top: this.top0,
3579					left: this.left0
3580				}, {
3581					duration: revertDuration,
3582					complete: complete
3583				});
3584			}
3585			else {
3586				complete();
3587			}
3588		}
3589	},
3590
3591
3592	// Gets the tracking element. Create it if necessary
3593	getEl: function() {
3594		var el = this.el;
3595
3596		if (!el) {
3597			el = this.el = this.sourceEl.clone()
3598				.addClass(this.options.additionalClass || '')
3599				.css({
3600					position: 'absolute',
3601					visibility: '', // in case original element was hidden (commonly through hideEvents())
3602					display: this.isHidden ? 'none' : '', // for when initially hidden
3603					margin: 0,
3604					right: 'auto', // erase and set width instead
3605					bottom: 'auto', // erase and set height instead
3606					width: this.sourceEl.width(), // explicit height in case there was a 'right' value
3607					height: this.sourceEl.height(), // explicit width in case there was a 'bottom' value
3608					opacity: this.options.opacity || '',
3609					zIndex: this.options.zIndex
3610				});
3611
3612			// we don't want long taps or any mouse interaction causing selection/menus.
3613			// would use preventSelection(), but that prevents selectstart, causing problems.
3614			el.addClass('fc-unselectable');
3615
3616			el.appendTo(this.parentEl);
3617		}
3618
3619		return el;
3620	},
3621
3622
3623	// Removes the tracking element if it has already been created
3624	removeElement: function() {
3625		if (this.el) {
3626			this.el.remove();
3627			this.el = null;
3628		}
3629	},
3630
3631
3632	// Update the CSS position of the tracking element
3633	updatePosition: function() {
3634		var sourceOffset;
3635		var origin;
3636
3637		this.getEl(); // ensure this.el
3638

3639		// make sure origin info was computed
3640		if (this.top0 === null) {
3641			sourceOffset = this.sourceEl.offset();
3642			origin = this.el.offsetParent().offset();
3643			this.top0 = sourceOffset.top - origin.top;
3644			this.left0 = sourceOffset.left - origin.left;
3645		}
3646
3647		this.el.css({
3648			top: this.top0 + this.topDelta,
3649			left: this.left0 + this.leftDelta
3650		});
3651	},
3652
3653
3654	// Gets called when the user moves the mouse
3655	handleMove: function(ev) {
3656		this.topDelta = getEvY(ev) - this.y0;
3657		this.leftDelta = getEvX(ev) - this.x0;
3658
3659		if (!this.isHidden) {
3660			this.updatePosition();
3661		}
3662	},
3663
3664
3665	// Temporarily makes the tracking element invisible. Can be called before following starts
3666	hide: function() {
3667		if (!this.isHidden) {
3668			this.isHidden = true;
3669			if (this.el) {
3670				this.el.hide();
3671			}
3672		}
3673	},
3674
3675
3676	// Show the tracking element after it has been temporarily hidden
3677	show: function() {
3678		if (this.isHidden) {
3679			this.isHidden = false;
3680			this.updatePosition();
3681			this.getEl().show();
3682		}
3683	}
3684
3685});
3686
3687;;
3688
3689/* An abstract class comprised of a "grid" of areas that each represent a specific datetime
3690----------------------------------------------------------------------------------------------------------------------*/
3691
3692var Grid = FC.Grid = Class.extend(ListenerMixin, {
3693
3694	// self-config, overridable by subclasses
3695	hasDayInteractions: true, // can user click/select ranges of time?
3696
3697	view: null, // a View object
3698	isRTL: null, // shortcut to the view's isRTL option
3699
3700	start: null,
3701	end: null,
3702
3703	el: null, // the containing element
3704	elsByFill: null, // a hash of jQuery element sets used for rendering each fill. Keyed by fill name.
3705
3706	// derived from options
3707	eventTimeFormat: null,
3708	displayEventTime: null,
3709	displayEventEnd: null,
3710
3711	minResizeDuration: null, // TODO: hack. set by subclasses. minumum event resize duration
3712
3713	// if defined, holds the unit identified (ex: "year" or "month") that determines the level of granularity
3714	// of the date areas. if not defined, assumes to be day and time granularity.
3715	// TODO: port isTimeScale into same system?
3716	largeUnit: null,
3717
3718	dayClickListener: null,
3719	daySelectListener: null,
3720	segDragListener: null,
3721	segResizeListener: null,
3722	externalDragListener: null,
3723
3724
3725	constructor: function(view) {
3726		this.view = view;
3727		this.isRTL = view.opt('isRTL');
3728		this.elsByFill = {};
3729

3730		this.dayClickListener = this.buildDayClickListener();
3731		this.daySelectListener = this.buildDaySelectListener();
3732	},
3733
3734
3735	/* Options
3736	------------------------------------------------------------------------------------------------------------------*/
3737
3738
3739	// Generates the format string used for event time text, if not explicitly defined by 'timeFormat'
3740	computeEventTimeFormat: function() {
3741		return this.view.opt('smallTimeFormat');
3742	},
3743
3744
3745	// Determines whether events should have their end times displayed, if not explicitly defined by 'displayEventTime'.
3746	// Only applies to non-all-day events.
3747	computeDisplayEventTime: function() {
3748		return true;
3749	},
3750
3751
3752	// Determines whether events should have their end times displayed, if not explicitly defined by 'displayEventEnd'
3753	computeDisplayEventEnd: function() {
3754		return true;
3755	},
3756
3757
3758	/* Dates
3759	------------------------------------------------------------------------------------------------------------------*/
3760
3761
3762	// Tells the grid about what period of time to display.
3763	// Any date-related internal data should be generated.
3764	setRange: function(range) {
3765		this.start = range.start.clone();
3766		this.end = range.end.clone();
3767
3768		this.rangeUpdated();
3769		this.processRangeOptions();
3770	},
3771
3772
3773	// Called when internal variables that rely on the range should be updated
3774	rangeUpdated: function() {
3775	},
3776
3777
3778	// Updates values that rely on options and also relate to range
3779	processRangeOptions: function() {
3780		var view = this.view;
3781		var displayEventTime;
3782		var displayEventEnd;
3783
3784		this.eventTimeFormat =
3785			view.opt('eventTimeFormat') ||
3786			view.opt('timeFormat') || // deprecated
3787			this.computeEventTimeFormat();
3788
3789		displayEventTime = view.opt('displayEventTime');
3790		if (displayEventTime == null) {
3791			displayEventTime = this.computeDisplayEventTime(); // might be based off of range
3792		}
3793
3794		displayEventEnd = view.opt('displayEventEnd');
3795		if (displayEventEnd == null) {
3796			displayEventEnd = this.computeDisplayEventEnd(); // might be based off of range
3797		}
3798
3799		this.displayEventTime = displayEventTime;
3800		this.displayEventEnd = displayEventEnd;
3801	},
3802
3803
3804	// Converts a span (has unzoned start/end and any other grid-specific location information)
3805	// into an array of segments (pieces of events whose format is decided by the grid).
3806	spanToSegs: function(span) {
3807		// subclasses must implement
3808	},
3809
3810
3811	// Diffs the two dates, returning a duration, based on granularity of the grid
3812	// TODO: port isTimeScale into this system?
3813	diffDates: function(a, b) {
3814		if (this.largeUnit) {
3815			return diffByUnit(a, b, this.largeUnit);
3816		}
3817		else {
3818			return diffDayTime(a, b);
3819		}
3820	},
3821
3822
3823	/* Hit Area
3824	------------------------------------------------------------------------------------------------------------------*/
3825
3826	hitsNeededDepth: 0, // necessary because multiple callers might need the same hits
3827
3828	hitsNeeded: function() {
3829		if (!(this.hitsNeededDepth++)) {
3830			this.prepareHits();
3831		}
3832	},
3833
3834	hitsNotNeeded: function() {
3835		if (this.hitsNeededDepth && !(--this.hitsNeededDepth)) {
3836			this.releaseHits();
3837		}
3838	},
3839
3840
3841	// Called before one or more queryHit calls might happen. Should prepare any cached coordinates for queryHit
3842	prepareHits: function() {
3843	},
3844
3845
3846	// Called when queryHit calls have subsided. Good place to clear any coordinate caches.
3847	releaseHits: function() {
3848	},
3849
3850
3851	// Given coordinates from the topleft of the document, return data about the date-related area underneath.
3852	// Can return an object with arbitrary properties (although top/right/left/bottom are encouraged).
3853	// Must have a `grid` property, a reference to this current grid. TODO: avoid this
3854	// The returned object will be processed by getHitSpan and getHitEl.
3855	queryHit: function(leftOffset, topOffset) {
3856	},
3857
3858
3859	// Given position-level information about a date-related area within the grid,
3860	// should return an object with at least a start/end date. Can provide other information as well.
3861	getHitSpan: function(hit) {
3862	},
3863
3864
3865	// Given position-level information about a date-related area within the grid,
3866	// should return a jQuery element that best represents it. passed to dayClick callback.
3867	getHitEl: function(hit) {
3868	},
3869
3870
3871	/* Rendering
3872	------------------------------------------------------------------------------------------------------------------*/
3873
3874
3875	// Sets the container element that the grid should render inside of.
3876	// Does other DOM-related initializations.
3877	setElement: function(el) {
3878		this.el = el;
3879
3880		if (this.hasDayInteractions) {
3881			preventSelection(el);
3882
3883			this.bindDayHandler('touchstart', this.dayTouchStart);
3884			this.bindDayHandler('mousedown', this.dayMousedown);
3885		}
3886
3887		// attach event-element-related handlers. in Grid.events
3888		// same garbage collection note as above.
3889		this.bindSegHandlers();
3890
3891		this.bindGlobalHandlers();
3892	},
3893
3894
3895	bindDayHandler: function(name, handler) {
3896		var _this = this;
3897
3898		// attach a handler to the grid's root element.
3899		// jQuery will take care of unregistering them when removeElement gets called.
3900		this.el.on(name, function(ev) {
3901			if (
3902				!$(ev.target).is(
3903					_this.segSelector + ',' + // directly on an event element
3904					_this.segSelector + ' *,' + // within an event element
3905					'.fc-more,' + // a "more.." link
3906					'a[data-goto]' // a clickable nav link
3907				)
3908			) {
3909				return handler.call(_this, ev);
3910			}
3911		});
3912	},
3913
3914
3915	// Removes the grid's container element from the DOM. Undoes any other DOM-related attachments.

3916	// DOES NOT remove any content beforehand (doesn't clear events or call unrenderDates), unlike View
3917	removeElement: function() {
3918		this.unbindGlobalHandlers();
3919		this.clearDragListeners();
3920
3921		this.el.remove();
3922
3923		// NOTE: we don't null-out this.el for the same reasons we don't do it within View::removeElement
3924	},
3925
3926
3927	// Renders the basic structure of grid view before any content is rendered
3928	renderSkeleton: function() {
3929		// subclasses should implement
3930	},
3931
3932
3933	// Renders the grid's date-related content (like areas that represent days/times).
3934	// Assumes setRange has already been called and the skeleton has already been rendered.
3935	renderDates: function() {
3936		// subclasses should implement
3937	},
3938
3939
3940	// Unrenders the grid's date-related content
3941	unrenderDates: function() {
3942		// subclasses should implement
3943	},
3944
3945
3946	/* Handlers
3947	------------------------------------------------------------------------------------------------------------------*/
3948
3949
3950	// Binds DOM handlers to elements that reside outside the grid, such as the document
3951	bindGlobalHandlers: function() {
3952		this.listenTo($(document), {
3953			dragstart: this.externalDragStart, // jqui
3954			sortstart: this.externalDragStart // jqui
3955		});
3956	},
3957
3958
3959	// Unbinds DOM handlers from elements that reside outside the grid
3960	unbindGlobalHandlers: function() {
3961		this.stopListeningTo($(document));
3962	},
3963
3964
3965	// Process a mousedown on an element that represents a day. For day clicking and selecting.
3966	dayMousedown: function(ev) {
3967		var view = this.view;
3968
3969		// prevent a user's clickaway for unselecting a range or an event from
3970		// causing a dayClick or starting an immediate new selection.
3971		if (view.isSelected || view.selectedEvent) {
3972			return;
3973		}
3974
3975		this.dayClickListener.startInteraction(ev);
3976
3977		if (view.opt('selectable')) {
3978			this.daySelectListener.startInteraction(ev, {
3979				distance: view.opt('selectMinDistance')
3980			});
3981		}
3982	},
3983
3984
3985	dayTouchStart: function(ev) {
3986		var view = this.view;
3987		var selectLongPressDelay;
3988
3989		// prevent a user's clickaway for unselecting a range or an event from
3990		// causing a dayClick or starting an immediate new selection.
3991		if (view.isSelected || view.selectedEvent) {
3992			return;
3993		}
3994
3995		selectLongPressDelay = view.opt('selectLongPressDelay');
3996		if (selectLongPressDelay == null) {
3997			selectLongPressDelay = view.opt('longPressDelay'); // fallback
3998		}
3999
4000		this.dayClickListener.startInteraction(ev);
4001
4002		if (view.opt('selectable')) {
4003			this.daySelectListener.startInteraction(ev, {
4004				delay: selectLongPressDelay
4005			});
4006		}
4007	},
4008
4009
4010	// Creates a listener that tracks the user's drag across day elements, for day clicking.
4011	buildDayClickListener: function() {
4012		var _this = this;
4013		var view = this.view;
4014		var dayClickHit; // null if invalid dayClick
4015
4016		var dragListener = new HitDragListener(this, {
4017			scroll: view.opt('dragScroll'),
4018			interactionStart: function() {
4019				dayClickHit = dragListener.origHit;
4020			},
4021			hitOver: function(hit, isOrig, origHit) {
4022				// if user dragged to another cell at any point, it can no longer be a dayClick
4023				if (!isOrig) {
4024					dayClickHit = null;
4025				}
4026			},
4027			hitOut: function() { // called before mouse moves to a different hit OR moved out of all hits
4028				dayClickHit = null;
4029			},
4030			interactionEnd: function(ev, isCancelled) {
4031				if (!isCancelled && dayClickHit) {
4032					view.triggerDayClick(
4033						_this.getHitSpan(dayClickHit),
4034						_this.getHitEl(dayClickHit),
4035						ev
4036					);
4037				}
4038			}
4039		});
4040
4041		// because dayClickListener won't be called with any time delay, "dragging" will begin immediately,
4042		// which will kill any touchmoving/scrolling. Prevent this.
4043		dragListener.shouldCancelTouchScroll = false;
4044
4045		dragListener.scrollAlwaysKills = true;
4046
4047		return dragListener;
4048	},
4049
4050
4051	// Creates a listener that tracks the user's drag across day elements, for day selecting.
4052	buildDaySelectListener: function() {
4053		var _this = this;
4054		var view = this.view;
4055		var selectionSpan; // null if invalid selection
4056
4057		var dragListener = new HitDragListener(this, {
4058			scroll: view.opt('dragScroll'),
4059			interactionStart: function() {
4060				selectionSpan = null;
4061			},
4062			dragStart: function() {
4063				view.unselect(); // since we could be rendering a new selection, we want to clear any old one
4064			},
4065			hitOver: function(hit, isOrig, origHit) {
4066				if (origHit) { // click needs to have started on a hit
4067
4068					selectionSpan = _this.computeSelection(
4069						_this.getHitSpan(origHit),
4070						_this.getHitSpan(hit)
4071					);
4072
4073					if (selectionSpan) {
4074						_this.renderSelection(selectionSpan);
4075					}
4076					else if (selectionSpan === false) {

4077						disableCursor();
4078					}
4079				}
4080			},
4081			hitOut: function() { // called before mouse moves to a different hit OR moved out of all hits
4082				selectionSpan = null;
4083				_this.unrenderSelection();
4084			},
4085			hitDone: function() { // called after a hitOut OR before a dragEnd
4086				enableCursor();
4087			},
4088			interactionEnd: function(ev, isCancelled) {
4089				if (!isCancelled && selectionSpan) {
4090					// the selection will already have been rendered. just report it
4091					view.reportSelection(selectionSpan, ev);
4092				}
4093			}
4094		});
4095
4096		return dragListener;
4097	},
4098
4099
4100	// Kills all in-progress dragging.
4101	// Useful for when public API methods that result in re-rendering are invoked during a drag.
4102	// Also useful for when touch devices misbehave and don't fire their touchend.
4103	clearDragListeners: function() {
4104		this.dayClickListener.endInteraction();
4105		this.daySelectListener.endInteraction();
4106
4107		if (this.segDragListener) {
4108			this.segDragListener.endInteraction(); // will clear this.segDragListener
4109		}
4110		if (this.segResizeListener) {
4111			this.segResizeListener.endInteraction(); // will clear this.segResizeListener
4112		}
4113		if (this.externalDragListener) {
4114			this.externalDragListener.endInteraction(); // will clear this.externalDragListener
4115		}
4116	},
4117
4118
4119	/* Event Helper
4120	------------------------------------------------------------------------------------------------------------------*/
4121	// TODO: should probably move this to Grid.events, like we did event dragging / resizing
4122
4123
4124	// Renders a mock event at the given event location, which contains zoned start/end properties.
4125	// Returns all mock event elements.
4126	renderEventLocationHelper: function(eventLocation, sourceSeg) {
4127		var fakeEvent = this.fabricateHelperEvent(eventLocation, sourceSeg);
4128
4129		return this.renderHelper(fakeEvent, sourceSeg); // do the actual rendering
4130	},
4131
4132
4133	// Builds a fake event given zoned event date properties and a segment is should be inspired from.
4134	// The range's end can be null, in which case the mock event that is rendered will have a null end time.
4135	// `sourceSeg` is the internal segment object involved in the drag. If null, something external is dragging.
4136	fabricateHelperEvent: function(eventLocation, sourceSeg) {
4137		var fakeEvent = sourceSeg ? createObject(sourceSeg.event) : {}; // mask the original event object if possible
4138
4139		fakeEvent.start = eventLocation.start.clone();
4140		fakeEvent.end = eventLocation.end ? eventLocation.end.clone() : null;
4141		fakeEvent.allDay = null; // force it to be freshly computed by normalizeEventDates
4142		this.view.calendar.normalizeEventDates(fakeEvent);
4143
4144		// this extra className will be useful for differentiating real events from mock events in CSS
4145		fakeEvent.className = (fakeEvent.className || []).concat('fc-helper');
4146
4147		// if something external is being dragged in, don't render a resizer
4148		if (!sourceSeg) {
4149			fakeEvent.editable = false;
4150		}
4151
4152		return fakeEvent;
4153	},
4154
4155
4156	// Renders a mock event. Given zoned event date properties.
4157	// Must return all mock event elements.
4158	renderHelper: function(eventLocation, sourceSeg) {
4159		// subclasses must implement
4160	},
4161
4162
4163	// Unrenders a mock event
4164	unrenderHelper: function() {
4165		// subclasses must implement
4166	},
4167
4168
4169	/* Selection
4170	------------------------------------------------------------------------------------------------------------------*/
4171
4172
4173	// Renders a visual indication of a selection. Will highlight by default but can be overridden by subclasses.
4174	// Given a span (unzoned start/end and other misc data)
4175	renderSelection: function(span) {
4176		this.renderHighlight(span);
4177	},
4178
4179
4180	// Unrenders any visual indications of a selection. Will unrender a highlight by default.
4181	unrenderSelection: function() {
4182		this.unrenderHighlight();
4183	},
4184
4185
4186	// Given the first and last date-spans of a selection, returns another date-span object.
4187	// Subclasses can override and provide additional data in the span object. Will be passed to renderSelection().
4188	// Will return false if the selection is invalid and this should be indicated to the user.
4189	// Will return null/undefined if a selection invalid but no error should be reported.
4190	computeSelection: function(span0, span1) {
4191		var span = this.computeSelectionSpan(span0, span1);
4192

4193		if (span && !this.view.calendar.isSelectionSpanAllowed(span)) {
4194			return false;
4195		}
4196
4197		return span;
4198	},
4199
4200
4201	// Given two spans, must return the combination of the two.
4202	// TODO: do this separation of concerns (combining VS validation) for event dnd/resize too.
4203	computeSelectionSpan: function(span0, span1) {
4204		var dates = [ span0.start, span0.end, span1.start, span1.end ];
4205
4206		dates.sort(compareNumbers); // sorts chronologically. works with Moments
4207
4208		return { start: dates[0].clone(), end: dates[3].clone() };
4209	},
4210
4211
4212	/* Highlight
4213	------------------------------------------------------------------------------------------------------------------*/
4214
4215
4216	// Renders an emphasis on the given date range. Given a span (unzoned start/end and other misc data)
4217	renderHighlight: function(span) {
4218		this.renderFill('highlight', this.spanToSegs(span));
4219	},
4220
4221
4222	// Unrenders the emphasis on a date range
4223	unrenderHighlight: function() {
4224		this.unrenderFill('highlight');
4225	},
4226
4227
4228	// Generates an array of classNames for rendering the highlight. Used by the fill system.
4229	highlightSegClasses: function() {
4230		return [ 'fc-highlight' ];
4231	},
4232
4233
4234	/* Business Hours
4235	------------------------------------------------------------------------------------------------------------------*/
4236
4237
4238	renderBusinessHours: function() {
4239	},
4240
4241
4242	unrenderBusinessHours: function() {
4243	},
4244
4245
4246	/* Now Indicator
4247	------------------------------------------------------------------------------------------------------------------*/
4248
4249
4250	getNowIndicatorUnit: function() {
4251	},
4252
4253
4254	renderNowIndicator: function(date) {
4255	},
4256
4257
4258	unrenderNowIndicator: function() {
4259	},
4260
4261
4262	/* Fill System (highlight, background events, business hours)
4263	--------------------------------------------------------------------------------------------------------------------
4264	TODO: remove this system. like we did in TimeGrid
4265	*/
4266
4267
4268	// Renders a set of rectangles over the given segments of time.
4269	// MUST RETURN a subset of segs, the segs that were actually rendered.
4270	// Responsible for populating this.elsByFill. TODO: better API for expressing this requirement
4271	renderFill: function(type, segs) {
4272		// subclasses must implement
4273	},
4274
4275
4276	// Unrenders a specific type of fill that is currently rendered on the grid
4277	unrenderFill: function(type) {
4278		var el = this.elsByFill[type];
4279
4280		if (el) {
4281			el.remove();
4282			delete this.elsByFill[type];
4283		}
4284	},
4285
4286
4287	// Renders and assigns an `el` property for each fill segment. Generic enough to work with different types.
4288	// Only returns segments that successfully rendered.
4289	// To be harnessed by renderFill (implemented by subclasses).
4290	// Analagous to renderFgSegEls.
4291	renderFillSegEls: function(type, segs) {
4292		var _this = this;
4293		var segElMethod = this[type + 'SegEl'];
4294		var html = '';
4295		var renderedSegs = [];
4296		var i;
4297
4298		if (segs.length) {
4299
4300			// build a large concatenation of segment HTML
4301			for (i = 0; i < segs.length; i++) {
4302				html += this.fillSegHtml(type, segs[i]);
4303			}
4304
4305			// Grab individual elements from the combined HTML string. Use each as the default rendering.
4306			// Then, compute the 'el' for each segment.
4307			$(html).each(function(i, node) {
4308				var seg = segs[i];
4309				var el = $(node);
4310
4311				// allow custom filter methods per-type
4312				if (segElMethod) {
4313					el = segElMethod.call(_this, seg, el);
4314				}
4315
4316				if (el) { // custom filters did not cancel the render
4317					el = $(el); // allow custom filter to return raw DOM node
4318
4319					// correct element type? (would be bad if a non-TD were inserted into a table for example)
4320					if (el.is(_this.fillSegTag)) {
4321						seg.el = el;
4322						renderedSegs.push(seg);
4323					}
4324				}
4325			});
4326		}
4327
4328		return renderedSegs;
4329	},
4330
4331
4332	fillSegTag: 'div', // subclasses can override
4333
4334
4335	// Builds the HTML needed for one fill segment. Generic enough to work with different types.
4336	fillSegHtml: function(type, seg) {
4337
4338		// custom hooks per-type
4339		var classesMethod = this[type + 'SegClasses'];
4340		var cssMethod = this[type + 'SegCss'];
4341
4342		var classes = classesMethod ? classesMethod.call(this, seg) : [];
4343		var css = cssToStr(cssMethod ? cssMethod.call(this, seg) : {});
4344
4345		return '<' + this.fillSegTag +
4346			(classes.length ? ' class="' + classes.join(' ') + '"' : '') +
4347			(css ? ' style="' + css + '"' : '') +
4348			' />';
4349	},
4350
4351
4352
4353	/* Generic rendering utilities for subclasses
4354	------------------------------------------------------------------------------------------------------------------*/
4355
4356
4357	// Computes HTML classNames for a single-day element
4358	getDayClasses: function(date, noThemeHighlight) {
4359		var view = this.view;
4360		var today = view.calendar.getNow();
4361		var classes = [ 'fc-' + dayIDs[date.day()] ];
4362
4363		if (
4364			view.intervalDuration.as('months') == 1 &&
4365			date.month() != view.intervalStart.month()
4366		) {
4367			classes.push('fc-other-month');
4368		}
4369
4370		if (date.isSame(today, 'day')) {
4371			classes.push('fc-today');
4372
4373			if (noThemeHighlight !== true) {
4374				classes.push(view.highlightStateClass);
4375			}
4376		}
4377		else if (date < today) {
4378			classes.push('fc-past');
4379		}
4380		else {
4381			classes.push('fc-future');
4382		}
4383
4384		return classes;
4385	}
4386
4387});
4388
4389;;
4390
4391/* Event-rendering and event-interaction methods for the abstract Grid class
4392----------------------------------------------------------------------------------------------------------------------*/
4393
4394Grid.mixin({
4395
4396	// self-config, overridable by subclasses
4397	segSelector: '.fc-event-container > *', // what constitutes an event element?
4398
4399	mousedOverSeg: null, // the segment object the user's mouse is over. null if over nothing
4400	isDraggingSeg: false, // is a segment being dragged? boolean
4401	isResizingSeg: false, // is a segment being resized? boolean

4402	isDraggingExternal: false, // jqui-dragging an external element? boolean
4403	segs: null, // the *event* segments currently rendered in the grid. TODO: rename to `eventSegs`
4404
4405
4406	// Renders the given events onto the grid
4407	renderEvents: function(events) {
4408		var bgEvents = [];
4409		var fgEvents = [];
4410		var i;
4411
4412		for (i = 0; i < events.length; i++) {
4413			(isBgEvent(events[i]) ? bgEvents : fgEvents).push(events[i]);
4414		}
4415
4416		this.segs = [].concat( // record all segs
4417			this.renderBgEvents(bgEvents),
4418			this.renderFgEvents(fgEvents)
4419		);
4420	},
4421
4422
4423	renderBgEvents: function(events) {
4424		var segs = this.eventsToSegs(events);
4425
4426		// renderBgSegs might return a subset of segs, segs that were actually rendered
4427		return this.renderBgSegs(segs) || segs;
4428	},
4429
4430
4431	renderFgEvents: function(events) {
4432		var segs = this.eventsToSegs(events);
4433
4434		// renderFgSegs might return a subset of segs, segs that were actually rendered
4435		return this.renderFgSegs(segs) || segs;
4436	},
4437
4438
4439	// Unrenders all events currently rendered on the grid
4440	unrenderEvents: function() {
4441		this.handleSegMouseout(); // trigger an eventMouseout if user's mouse is over an event
4442		this.clearDragListeners();
4443
4444		this.unrenderFgSegs();
4445		this.unrenderBgSegs();
4446
4447		this.segs = null;
4448	},
4449
4450
4451	// Retrieves all rendered segment objects currently rendered on the grid
4452	getEventSegs: function() {
4453		return this.segs || [];
4454	},
4455
4456
4457	/* Foreground Segment Rendering
4458	------------------------------------------------------------------------------------------------------------------*/
4459
4460
4461	// Renders foreground event segments onto the grid. May return a subset of segs that were rendered.
4462	renderFgSegs: function(segs) {
4463		// subclasses must implement
4464	},
4465
4466
4467	// Unrenders all currently rendered foreground segments
4468	unrenderFgSegs: function() {
4469		// subclasses must implement
4470	},
4471
4472
4473	// Renders and assigns an `el` property for each foreground event segment.
4474	// Only returns segments that successfully rendered.
4475	// A utility that subclasses may use.
4476	renderFgSegEls: function(segs, disableResizing) {
4477		var view = this.view;
4478		var html = '';
4479		var renderedSegs = [];
4480		var i;
4481
4482		if (segs.length) { // don't build an empty html string
4483
4484			// build a large concatenation of event segment HTML
4485			for (i = 0; i < segs.length; i++) {
4486				html += this.fgSegHtml(segs[i], disableResizing);
4487			}
4488
4489			// Grab individual elements from the combined HTML string. Use each as the default rendering.
4490			// Then, compute the 'el' for each segment. An el might be null if the eventRender callback returned false.
4491			$(html).each(function(i, node) {
4492				var seg = segs[i];
4493				var el = view.resolveEventEl(seg.event, $(node));
4494
4495				if (el) {
4496					el.data('fc-seg', seg); // used by handlers
4497					seg.el = el;
4498					renderedSegs.push(seg);
4499				}
4500			});
4501		}
4502
4503		return renderedSegs;
4504	},
4505
4506
4507	// Generates the HTML for the default rendering of a foreground event segment. Used by renderFgSegEls()
4508	fgSegHtml: function(seg, disableResizing) {
4509		// subclasses should implement
4510	},
4511
4512
4513	/* Background Segment Rendering
4514	------------------------------------------------------------------------------------------------------------------*/
4515
4516
4517	// Renders the given background event segments onto the grid.
4518	// Returns a subset of the segs that were actually rendered.
4519	renderBgSegs: function(segs) {
4520		return this.renderFill('bgEvent', segs);
4521	},
4522
4523
4524	// Unrenders all the currently rendered background event segments
4525	unrenderBgSegs: function() {
4526		this.unrenderFill('bgEvent');
4527	},
4528
4529
4530	// Renders a background event element, given the default rendering. Called by the fill system.
4531	bgEventSegEl: function(seg, el) {
4532		return this.view.resolveEventEl(seg.event, el); // will filter through eventRender
4533	},
4534
4535
4536	// Generates an array of classNames to be used for the default rendering of a background event.
4537	// Called by fillSegHtml.
4538	bgEventSegClasses: function(seg) {
4539		var event = seg.event;
4540		var source = event.source || {};
4541
4542		return [ 'fc-bgevent' ].concat(
4543			event.className,
4544			source.className || []
4545		);
4546	},
4547
4548
4549	// Generates a semicolon-separated CSS string to be used for the default rendering of a background event.
4550	// Called by fillSegHtml.
4551	bgEventSegCss: function(seg) {
4552		return {

4553			'background-color': this.getSegSkinCss(seg)['background-color']
4554		};
4555	},
4556
4557
4558	// Generates an array of classNames to be used for the rendering business hours overlay. Called by the fill system.
4559	// Called by fillSegHtml.
4560	businessHoursSegClasses: function(seg) {
4561		return [ 'fc-nonbusiness', 'fc-bgevent' ];
4562	},
4563
4564
4565	/* Business Hours
4566	------------------------------------------------------------------------------------------------------------------*/
4567
4568
4569	// Compute business hour segs for the grid's current date range.
4570	// Caller must ask if whole-day business hours are needed.
4571	// If no `businessHours` configuration value is specified, assumes the calendar default.
4572	buildBusinessHourSegs: function(wholeDay, businessHours) {
4573		return this.eventsToSegs(
4574			this.buildBusinessHourEvents(wholeDay, businessHours)
4575		);
4576	},
4577
4578
4579	// Compute business hour *events* for the grid's current date range.
4580	// Caller must ask if whole-day business hours are needed.
4581	// If no `businessHours` configuration value is specified, assumes the calendar default.
4582	buildBusinessHourEvents: function(wholeDay, businessHours) {
4583		var calendar = this.view.calendar;
4584		var events;
4585
4586		if (businessHours == null) {
4587			// fallback
4588			// access from calendawr. don't access from view. doesn't update with dynamic options.
4589			businessHours = calendar.options.businessHours;
4590		}
4591
4592		events = calendar.computeBusinessHourEvents(wholeDay, businessHours);
4593
4594		// HACK. Eventually refactor business hours "events" system.
4595		// If no events are given, but businessHours is activated, this means the entire visible range should be
4596		// marked as *not* business-hours, via inverse-background rendering.
4597		if (!events.length && businessHours) {
4598			events = [
4599				$.extend({}, BUSINESS_HOUR_EVENT_DEFAULTS, {
4600					start: this.view.end, // guaranteed out-of-range
4601					end: this.view.end,   // "
4602					dow: null
4603				})
4604			];
4605		}
4606
4607		return events;
4608	},
4609
4610
4611	/* Handlers
4612	------------------------------------------------------------------------------------------------------------------*/
4613
4614
4615	// Attaches event-element-related handlers for *all* rendered event segments of the view.
4616	bindSegHandlers: function() {
4617		this.bindSegHandlersToEl(this.el);
4618	},
4619
4620
4621	// Attaches event-element-related handlers to an arbitrary container element. leverages bubbling.
4622	bindSegHandlersToEl: function(el) {
4623		this.bindSegHandlerToEl(el, 'touchstart', this.handleSegTouchStart);
4624		this.bindSegHandlerToEl(el, 'mouseenter', this.handleSegMouseover);
4625		this.bindSegHandlerToEl(el, 'mouseleave', this.handleSegMouseout);
4626		this.bindSegHandlerToEl(el, 'mousedown', this.handleSegMousedown);
4627		this.bindSegHandlerToEl(el, 'click', this.handleSegClick);
4628	},
4629
4630
4631	// Executes a handler for any a user-interaction on a segment.
4632	// Handler gets called with (seg, ev), and with the `this` context of the Grid
4633	bindSegHandlerToEl: function(el, name, handler) {
4634		var _this = this;
4635
4636		el.on(name, this.segSelector, function(ev) {
4637			var seg = $(this).data('fc-seg'); // grab segment data. put there by View::renderEvents
4638
4639			// only call the handlers if there is not a drag/resize in progress
4640			if (seg && !_this.isDraggingSeg && !_this.isResizingSeg) {
4641				return handler.call(_this, seg, ev); // context will be the Grid
4642			}
4643		});
4644	},
4645
4646
4647	handleSegClick: function(seg, ev) {
4648		var res = this.view.publiclyTrigger('eventClick', seg.el[0], seg.event, ev); // can return `false` to cancel
4649		if (res === false) {
4650			ev.preventDefault();
4651		}
4652	},
4653
4654
4655	// Updates internal state and triggers handlers for when an event element is moused over
4656	handleSegMouseover: function(seg, ev) {
4657		if (
4658			!GlobalEmitter.get().shouldIgnoreMouse() &&
4659			!this.mousedOverSeg
4660		) {
4661			this.mousedOverSeg = seg;
4662			if (this.view.isEventResizable(seg.event)) {
4663				seg.el.addClass('fc-allow-mouse-resize');
4664			}
4665			this.view.publiclyTrigger('eventMouseover', seg.el[0], seg.event, ev);
4666		}
4667	},
4668
4669
4670	// Updates internal state and triggers handlers for when an event element is moused out.
4671	// Can be given no arguments, in which case it will mouseout the segment that was previously moused over.
4672	handleSegMouseout: function(seg, ev) {
4673		ev = ev || {}; // if given no args, make a mock mouse event
4674
4675		if (this.mousedOverSeg) {
4676			seg = seg || this.mousedOverSeg; // if given no args, use the currently moused-over segment
4677			this.mousedOverSeg = null;
4678			if (this.view.isEventResizable(seg.event)) {
4679				seg.el.removeClass('fc-allow-mouse-resize');
4680			}
4681			this.view.publiclyTrigger('eventMouseout', seg.el[0], seg.event, ev);
4682		}
4683	},
4684
4685
4686	handleSegMousedown: function(seg, ev) {
4687		var isResizing = this.startSegResize(seg, ev, { distance: 5 });
4688
4689		if (!isResizing && this.view.isEventDraggable(seg.event)) {
4690			this.buildSegDragListener(seg)
4691				.startInteraction(ev, {
4692					distance: 5
4693				});
4694		}
4695	},
4696
4697
4698	handleSegTouchStart: function(seg, ev) {
4699		var view = this.view;
4700		var event = seg.event;
4701		var isSelected = view.isEventSelected(event);
4702		var isDraggable = view.isEventDraggable(event);
4703		var isResizable = view.isEventResizable(event);
4704		var isResizing = false;

4705		var dragListener;
4706		var eventLongPressDelay;
4707
4708		if (isSelected && isResizable) {
4709			// only allow resizing of the event is selected
4710			isResizing = this.startSegResize(seg, ev);
4711		}
4712
4713		if (!isResizing && (isDraggable || isResizable)) { // allowed to be selected?
4714
4715			eventLongPressDelay = view.opt('eventLongPressDelay');
4716			if (eventLongPressDelay == null) {
4717				eventLongPressDelay = view.opt('longPressDelay'); // fallback
4718			}
4719
4720			dragListener = isDraggable ?
4721				this.buildSegDragListener(seg) :
4722				this.buildSegSelectListener(seg); // seg isn't draggable, but still needs to be selected
4723
4724			dragListener.startInteraction(ev, { // won't start if already started
4725				delay: isSelected ? 0 : eventLongPressDelay // do delay if not already selected
4726			});
4727		}
4728	},
4729
4730
4731	// returns boolean whether resizing actually started or not.
4732	// assumes the seg allows resizing.
4733	// `dragOptions` are optional.
4734	startSegResize: function(seg, ev, dragOptions) {
4735		if ($(ev.target).is('.fc-resizer')) {
4736			this.buildSegResizeListener(seg, $(ev.target).is('.fc-start-resizer'))
4737				.startInteraction(ev, dragOptions);
4738			return true;
4739		}
4740		return false;
4741	},
4742
4743
4744
4745	/* Event Dragging
4746	------------------------------------------------------------------------------------------------------------------*/
4747
4748
4749	// Builds a listener that will track user-dragging on an event segment.
4750	// Generic enough to work with any type of Grid.
4751	// Has side effect of setting/unsetting `segDragListener`
4752	buildSegDragListener: function(seg) {
4753		var _this = this;
4754		var view = this.view;
4755		var calendar = view.calendar;
4756		var el = seg.el;
4757		var event = seg.event;
4758		var isDragging;
4759		var mouseFollower; // A clone of the original element that will move with the mouse
4760		var dropLocation; // zoned event date properties
4761
4762		if (this.segDragListener) {
4763			return this.segDragListener;
4764		}
4765
4766		// Tracks mouse movement over the *view's* coordinate map. Allows dragging and dropping between subcomponents
4767		// of the view.
4768		var dragListener = this.segDragListener = new HitDragListener(view, {
4769			scroll: view.opt('dragScroll'),
4770			subjectEl: el,
4771			subjectCenter: true,
4772			interactionStart: function(ev) {
4773				seg.component = _this; // for renderDrag
4774				isDragging = false;
4775				mouseFollower = new MouseFollower(seg.el, {
4776					additionalClass: 'fc-dragging',
4777					parentEl: view.el,
4778					opacity: dragListener.isTouch ? null : view.opt('dragOpacity'),
4779					revertDuration: view.opt('dragRevertDuration'),
4780					zIndex: 2 // one above the .fc-view
4781				});
4782				mouseFollower.hide(); // don't show until we know this is a real drag
4783				mouseFollower.start(ev);
4784			},
4785			dragStart: function(ev) {
4786				if (dragListener.isTouch && !view.isEventSelected(event)) {
4787					// if not previously selected, will fire after a delay. then, select the event
4788					view.selectEvent(event);
4789				}
4790				isDragging = true;
4791				_this.handleSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported
4792				_this.segDragStart(seg, ev);
4793				view.hideEvent(event); // hide all event segments. our mouseFollower will take over
4794			},
4795			hitOver: function(hit, isOrig, origHit) {
4796				var dragHelperEls;
4797
4798				// starting hit could be forced (DayGrid.limit)
4799				if (seg.hit) {
4800					origHit = seg.hit;
4801				}
4802
4803				// since we are querying the parent view, might not belong to this grid
4804				dropLocation = _this.computeEventDrop(
4805					origHit.component.getHitSpan(origHit),
4806					hit.component.getHitSpan(hit),
4807					event
4808				);
4809
4810				if (dropLocation && !calendar.isEventSpanAllowed(_this.eventToSpan(dropLocation), event)) {
4811					disableCursor();
4812					dropLocation = null;
4813				}
4814
4815				// if a valid drop location, have the subclass render a visual indication
4816				if (dropLocation && (dragHelperEls = view.renderDrag(dropLocation, seg))) {
4817
4818					dragHelperEls.addClass('fc-dragging');
4819					if (!dragListener.isTouch) {
4820						_this.applyDragOpacity(dragHelperEls);
4821					}
4822
4823					mouseFollower.hide(); // if the subclass is already using a mock event "helper", hide our own
4824				}
4825				else {
4826					mouseFollower.show(); // otherwise, have the helper follow the mouse (no snapping)
4827				}
4828
4829				if (isOrig) {
4830					dropLocation = null; // needs to have moved hits to be a valid drop
4831				}
4832			},
4833			hitOut: function() { // called before mouse moves to a different hit OR moved out of all hits
4834				view.unrenderDrag(); // unrender whatever was done in renderDrag
4835				mouseFollower.show(); // show in case we are moving out of all hits
4836				dropLocation = null;
4837			},
4838			hitDone: function() { // Called after a hitOut OR before a dragEnd

4839				enableCursor();
4840			},
4841			interactionEnd: function(ev) {
4842				delete seg.component; // prevent side effects
4843
4844				// do revert animation if hasn't changed. calls a callback when finished (whether animation or not)
4845				mouseFollower.stop(!dropLocation, function() {
4846					if (isDragging) {
4847						view.unrenderDrag();
4848						_this.segDragStop(seg, ev);
4849					}
4850
4851					if (dropLocation) {
4852						// no need to re-show original, will rerender all anyways. esp important if eventRenderWait
4853						view.reportSegDrop(seg, dropLocation, _this.largeUnit, el, ev);
4854					}
4855					else {
4856						view.showEvent(event);
4857					}
4858				});
4859				_this.segDragListener = null;
4860			}
4861		});
4862
4863		return dragListener;
4864	},
4865
4866
4867	// seg isn't draggable, but let's use a generic DragListener
4868	// simply for the delay, so it can be selected.
4869	// Has side effect of setting/unsetting `segDragListener`
4870	buildSegSelectListener: function(seg) {
4871		var _this = this;
4872		var view = this.view;
4873		var event = seg.event;
4874
4875		if (this.segDragListener) {
4876			return this.segDragListener;
4877		}
4878
4879		var dragListener = this.segDragListener = new DragListener({
4880			dragStart: function(ev) {
4881				if (dragListener.isTouch && !view.isEventSelected(event)) {
4882					// if not previously selected, will fire after a delay. then, select the event
4883					view.selectEvent(event);
4884				}
4885			},
4886			interactionEnd: function(ev) {
4887				_this.segDragListener = null;
4888			}
4889		});
4890
4891		return dragListener;
4892	},
4893
4894
4895	// Called before event segment dragging starts
4896	segDragStart: function(seg, ev) {
4897		this.isDraggingSeg = true;
4898		this.view.publiclyTrigger('eventDragStart', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy
4899	},
4900
4901
4902	// Called after event segment dragging stops
4903	segDragStop: function(seg, ev) {
4904		this.isDraggingSeg = false;
4905		this.view.publiclyTrigger('eventDragStop', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy
4906	},
4907
4908
4909	// Given the spans an event drag began, and the span event was dropped, calculates the new zoned start/end/allDay
4910	// values for the event. Subclasses may override and set additional properties to be used by renderDrag.
4911	// A falsy returned value indicates an invalid drop.
4912	// DOES NOT consider overlap/constraint.
4913	computeEventDrop: function(startSpan, endSpan, event) {
4914		var calendar = this.view.calendar;
4915		var dragStart = startSpan.start;
4916		var dragEnd = endSpan.start;
4917		var delta;
4918		var dropLocation; // zoned event date properties
4919
4920		if (dragStart.hasTime() === dragEnd.hasTime()) {
4921			delta = this.diffDates(dragEnd, dragStart);
4922
4923			// if an all-day event was in a timed area and it was dragged to a different time,
4924			// guarantee an end and adjust start/end to have times
4925			if (event.allDay && durationHasTime(delta)) {
4926				dropLocation = {
4927					start: event.start.clone(),
4928					end: calendar.getEventEnd(event), // will be an ambig day
4929					allDay: false // for normalizeEventTimes
4930				};
4931				calendar.normalizeEventTimes(dropLocation);
4932			}
4933			// othewise, work off existing values
4934			else {
4935				dropLocation = pluckEventDateProps(event);
4936			}
4937
4938			dropLocation.start.add(delta);
4939			if (dropLocation.end) {
4940				dropLocation.end.add(delta);
4941			}
4942		}
4943		else {
4944			// if switching from day <-> timed, start should be reset to the dropped date, and the end cleared
4945			dropLocation = {
4946				start: dragEnd.clone(),
4947				end: null, // end should be cleared
4948				allDay: !dragEnd.hasTime()
4949			};
4950		}
4951
4952		return dropLocation;
4953	},
4954
4955
4956	// Utility for apply dragOpacity to a jQuery set
4957	applyDragOpacity: function(els) {
4958		var opacity = this.view.opt('dragOpacity');
4959
4960		if (opacity != null) {
4961			els.css('opacity', opacity);
4962		}
4963	},
4964
4965
4966	/* External Element Dragging
4967	------------------------------------------------------------------------------------------------------------------*/
4968
4969
4970	// Called when a jQuery UI drag is initiated anywhere in the DOM
4971	externalDragStart: function(ev, ui) {
4972		var view = this.view;
4973		var el;
4974		var accept;
4975
4976		if (view.opt('droppable')) { // only listen if this setting is on
4977			el = $((ui ? ui.item : null) || ev.target);
4978
4979			// Test that the dragged element passes the dropAccept selector or filter function.
4980			// FYI, the default is "*" (matches all)
4981			accept = view.opt('dropAccept');
4982			if ($.isFunction(accept) ? accept.call(el[0], el) : el.is(accept)) {

4983				if (!this.isDraggingExternal) { // prevent double-listening if fired twice
4984					this.listenToExternalDrag(el, ev, ui);
4985				}
4986			}
4987		}
4988	},
4989
4990
4991	// Called when a jQuery UI drag starts and it needs to be monitored for dropping
4992	listenToExternalDrag: function(el, ev, ui) {
4993		var _this = this;
4994		var calendar = this.view.calendar;
4995		var meta = getDraggedElMeta(el); // extra data about event drop, including possible event to create
4996		var dropLocation; // a null value signals an unsuccessful drag
4997
4998		// listener that tracks mouse movement over date-associated pixel regions
4999		var dragListener = _this.externalDragListener = new HitDragListener(this, {
5000			interactionStart: function() {
5001				_this.isDraggingExternal = true;
5002			},
5003			hitOver: function(hit) {
5004				dropLocation = _this.computeExternalDrop(
5005					hit.component.getHitSpan(hit), // since we are querying the parent view, might not belong to this grid
5006					meta
5007				);
5008
5009				if ( // invalid hit?
5010					dropLocation &&
5011					!calendar.isExternalSpanAllowed(_this.eventToSpan(dropLocation), dropLocation, meta.eventProps)
5012				) {
5013					disableCursor();
5014					dropLocation = null;
5015				}
5016
5017				if (dropLocation) {
5018					_this.renderDrag(dropLocation); // called without a seg parameter
5019				}
5020			},
5021			hitOut: function() {
5022				dropLocation = null; // signal unsuccessful
5023			},
5024			hitDone: function() { // Called after a hitOut OR before a dragEnd
5025				enableCursor();
5026				_this.unrenderDrag();
5027			},
5028			interactionEnd: function(ev) {
5029				if (dropLocation) { // element was dropped on a valid hit
5030					_this.view.reportExternalDrop(meta, dropLocation, el, ev, ui);
5031				}

5032				_this.isDraggingExternal = false;
5033				_this.externalDragListener = null;
5034			}
5035		});
5036
5037		dragListener.startDrag(ev); // start listening immediately
5038	},
5039
5040
5041	// Given a hit to be dropped upon, and misc data associated with the jqui drag (guaranteed to be a plain object),
5042	// returns the zoned start/end dates for the event that would result from the hypothetical drop. end might be null.
5043	// Returning a null value signals an invalid drop hit.
5044	// DOES NOT consider overlap/constraint.
5045	computeExternalDrop: function(span, meta) {
5046		var calendar = this.view.calendar;
5047		var dropLocation = {
5048			start: calendar.applyTimezone(span.start), // simulate a zoned event start date
5049			end: null
5050		};
5051
5052		// if dropped on an all-day span, and element's metadata specified a time, set it
5053		if (meta.startTime && !dropLocation.start.hasTime()) {
5054			dropLocation.start.time(meta.startTime);
5055		}
5056
5057		if (meta.duration) {
5058			dropLocation.end = dropLocation.start.clone().add(meta.duration);
5059		}
5060
5061		return dropLocation;
5062	},
5063
5064
5065
5066	/* Drag Rendering (for both events and an external elements)
5067	------------------------------------------------------------------------------------------------------------------*/
5068
5069
5070	// Renders a visual indication of an event or external element being dragged.
5071	// `dropLocation` contains hypothetical start/end/allDay values the event would have if dropped. end can be null.
5072	// `seg` is the internal segment object that is being dragged. If dragging an external element, `seg` is null.
5073	// A truthy returned value indicates this method has rendered a helper element.
5074	// Must return elements used for any mock events.
5075	renderDrag: function(dropLocation, seg) {
5076		// subclasses must implement
5077	},
5078
5079
5080	// Unrenders a visual indication of an event or external element being dragged
5081	unrenderDrag: function() {
5082		// subclasses must implement
5083	},
5084
5085
5086	/* Resizing
5087	------------------------------------------------------------------------------------------------------------------*/
5088
5089
5090	// Creates a listener that tracks the user as they resize an event segment.
5091	// Generic enough to work with any type of Grid.
5092	buildSegResizeListener: function(seg, isStart) {
5093		var _this = this;
5094		var view = this.view;
5095		var calendar = view.calendar;
5096		var el = seg.el;
5097		var event = seg.event;
5098		var eventEnd = calendar.getEventEnd(event);
5099		var isDragging;
5100		var resizeLocation; // zoned event date properties. falsy if invalid resize
5101
5102		// Tracks mouse movement over the *grid's* coordinate map
5103		var dragListener = this.segResizeListener = new HitDragListener(this, {
5104			scroll: view.opt('dragScroll'),
5105			subjectEl: el,
5106			interactionStart: function() {
5107				isDragging = false;
5108			},
5109			dragStart: function(ev) {
5110				isDragging = true;
5111				_this.handleSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported
5112				_this.segResizeStart(seg, ev);
5113			},
5114			hitOver: function(hit, isOrig, origHit) {
5115				var origHitSpan = _this.getHitSpan(origHit);
5116				var hitSpan = _this.getHitSpan(hit);
5117
5118				resizeLocation = isStart ?
5119					_this.computeEventStartResize(origHitSpan, hitSpan, event) :
5120					_this.computeEventEndResize(origHitSpan, hitSpan, event);
5121
5122				if (resizeLocation) {
5123					if (!calendar.isEventSpanAllowed(_this.eventToSpan(resizeLocation), event)) {
5124						disableCursor();
5125						resizeLocation = null;
5126					}
5127					// no change? (FYI, event dates might have zones)
5128					else if (
5129						resizeLocation.start.isSame(event.start.clone().stripZone()) &&
5130						resizeLocation.end.isSame(eventEnd.clone().stripZone())
5131					) {
5132						resizeLocation = null;
5133					}
5134				}
5135
5136				if (resizeLocation) {
5137					view.hideEvent(event);
5138					_this.renderEventResize(resizeLocation, seg);
5139				}
5140			},
5141			hitOut: function() { // called before mouse moves to a different hit OR moved out of all hits
5142				resizeLocation = null;
5143				view.showEvent(event); // for when out-of-bounds. show original
5144			},
5145			hitDone: function() { // resets the rendering to show the original event
5146				_this.unrenderEventResize();
5147				enableCursor();
5148			},
5149			interactionEnd: function(ev) {
5150				if (isDragging) {
5151					_this.segResizeStop(seg, ev);
5152				}
5153
5154				if (resizeLocation) { // valid date to resize to?
5155					// no need to re-show original, will rerender all anyways. esp important if eventRenderWait
5156					view.reportSegResize(seg, resizeLocation, _this.largeUnit, el, ev);
5157				}
5158				else {
5159					view.showEvent(event);
5160				}
5161				_this.segResizeListener = null;
5162			}
5163		});
5164
5165		return dragListener;
5166	},
5167
5168
5169	// Called before event segment resizing starts
5170	segResizeStart: function(seg, ev) {
5171		this.isResizingSeg = true;
5172		this.view.publiclyTrigger('eventResizeStart', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy
5173	},
5174
5175
5176	// Called after event segment resizing stops
5177	segResizeStop: function(seg, ev) {
5178		this.isResizingSeg = false;

5179		this.view.publiclyTrigger('eventResizeStop', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy
5180	},
5181
5182
5183	// Returns new date-information for an event segment being resized from its start
5184	computeEventStartResize: function(startSpan, endSpan, event) {
5185		return this.computeEventResize('start', startSpan, endSpan, event);
5186	},
5187
5188
5189	// Returns new date-information for an event segment being resized from its end
5190	computeEventEndResize: function(startSpan, endSpan, event) {
5191		return this.computeEventResize('end', startSpan, endSpan, event);
5192	},
5193
5194
5195	// Returns new zoned date information for an event segment being resized from its start OR end
5196	// `type` is either 'start' or 'end'.
5197	// DOES NOT consider overlap/constraint.
5198	computeEventResize: function(type, startSpan, endSpan, event) {
5199		var calendar = this.view.calendar;
5200		var delta = this.diffDates(endSpan[type], startSpan[type]);
5201		var resizeLocation; // zoned event date properties
5202		var defaultDuration;
5203
5204		// build original values to work from, guaranteeing a start and end
5205		resizeLocation = {
5206			start: event.start.clone(),
5207			end: calendar.getEventEnd(event),
5208			allDay: event.allDay
5209		};
5210
5211		// if an all-day event was in a timed area and was resized to a time, adjust start/end to have times
5212		if (resizeLocation.allDay && durationHasTime(delta)) {
5213			resizeLocation.allDay = false;
5214			calendar.normalizeEventTimes(resizeLocation);
5215		}
5216
5217		resizeLocation[type].add(delta); // apply delta to start or end
5218
5219		// if the event was compressed too small, find a new reasonable duration for it
5220		if (!resizeLocation.start.isBefore(resizeLocation.end)) {
5221
5222			defaultDuration =
5223				this.minResizeDuration || // TODO: hack
5224				(event.allDay ?
5225					calendar.defaultAllDayEventDuration :
5226					calendar.defaultTimedEventDuration);
5227
5228			if (type == 'start') { // resizing the start?
5229				resizeLocation.start = resizeLocation.end.clone().subtract(defaultDuration);
5230			}
5231			else { // resizing the end?
5232				resizeLocation.end = resizeLocation.start.clone().add(defaultDuration);
5233			}
5234		}
5235
5236		return resizeLocation;
5237	},
5238
5239
5240	// Renders a visual indication of an event being resized.
5241	// `range` has the updated dates of the event. `seg` is the original segment object involved in the drag.
5242	// Must return elements used for any mock events.
5243	renderEventResize: function(range, seg) {
5244		// subclasses must implement
5245	},
5246
5247
5248	// Unrenders a visual indication of an event being resized.
5249	unrenderEventResize: function() {
5250		// subclasses must implement
5251	},
5252
5253
5254	/* Rendering Utils
5255	------------------------------------------------------------------------------------------------------------------*/
5256
5257
5258	// Compute the text that should be displayed on an event's element.
5259	// `range` can be the Event object itself, or something range-like, with at least a `start`.
5260	// If event times are disabled, or the event has no time, will return a blank string.
5261	// If not specified, formatStr will default to the eventTimeFormat setting,
5262	// and displayEnd will default to the displayEventEnd setting.
5263	getEventTimeText: function(range, formatStr, displayEnd) {
5264
5265		if (formatStr == null) {
5266			formatStr = this.eventTimeFormat;
5267		}
5268
5269		if (displayEnd == null) {
5270			displayEnd = this.displayEventEnd;
5271		}
5272
5273		if (this.displayEventTime && range.start.hasTime()) {
5274			if (displayEnd && range.end) {
5275				return this.view.formatRange(range, formatStr);
5276			}
5277			else {
5278				return range.start.format(formatStr);
5279			}
5280		}
5281
5282		return '';
5283	},
5284
5285
5286	// Generic utility for generating the HTML classNames for an event segment's element
5287	getSegClasses: function(seg, isDraggable, isResizable) {
5288		var view = this.view;
5289		var classes = [
5290			'fc-event',
5291			seg.isStart ? 'fc-start' : 'fc-not-start',
5292			seg.isEnd ? 'fc-end' : 'fc-not-end'
5293		].concat(this.getSegCustomClasses(seg));
5294
5295		if (isDraggable) {
5296			classes.push('fc-draggable');
5297		}
5298		if (isResizable) {
5299			classes.push('fc-resizable');
5300		}
5301
5302		// event is currently selected? attach a className.
5303		if (view.isEventSelected(seg.event)) {
5304			classes.push('fc-selected');
5305		}
5306
5307		return classes;
5308	},
5309
5310
5311	// List of classes that were defined by the caller of the API in some way
5312	getSegCustomClasses: function(seg) {
5313		var event = seg.event;
5314
5315		return [].concat(
5316			event.className, // guaranteed to be an array
5317			event.source ? event.source.className : []
5318		);
5319	},
5320
5321
5322	// Utility for generating event skin-related CSS properties
5323	getSegSkinCss: function(seg) {
5324		return {

5325			'background-color': this.getSegBackgroundColor(seg),
5326			'border-color': this.getSegBorderColor(seg),
5327			color: this.getSegTextColor(seg)
5328		};
5329	},
5330
5331
5332	// Queries for caller-specified color, then falls back to default
5333	getSegBackgroundColor: function(seg) {
5334		return seg.event.backgroundColor ||
5335			seg.event.color ||
5336			this.getSegDefaultBackgroundColor(seg);
5337	},
5338
5339
5340	getSegDefaultBackgroundColor: function(seg) {
5341		var source = seg.event.source || {};
5342
5343		return source.backgroundColor ||
5344			source.color ||
5345			this.view.opt('eventBackgroundColor') ||
5346			this.view.opt('eventColor');
5347	},
5348
5349
5350	// Queries for caller-specified color, then falls back to default
5351	getSegBorderColor: function(seg) {
5352		return seg.event.borderColor ||
5353			seg.event.color ||
5354			this.getSegDefaultBorderColor(seg);
5355	},
5356
5357
5358	getSegDefaultBorderColor: function(seg) {
5359		var source = seg.event.source || {};
5360
5361		return source.borderColor ||
5362			source.color ||
5363			this.view.opt('eventBorderColor') ||
5364			this.view.opt('eventColor');
5365	},
5366
5367
5368	// Queries for caller-specified color, then falls back to default
5369	getSegTextColor: function(seg) {
5370		return seg.event.textColor ||
5371			this.getSegDefaultTextColor(seg);
5372	},
5373
5374
5375	getSegDefaultTextColor: function(seg) {
5376		var source = seg.event.source || {};
5377
5378		return source.textColor ||
5379			this.view.opt('eventTextColor');
5380	},
5381
5382
5383	/* Converting events -> eventRange -> eventSpan -> eventSegs
5384	------------------------------------------------------------------------------------------------------------------*/
5385
5386
5387	// Generates an array of segments for the given single event
5388	// Can accept an event "location" as well (which only has start/end and no allDay)
5389	eventToSegs: function(event) {
5390		return this.eventsToSegs([ event ]);
5391	},
5392
5393
5394	eventToSpan: function(event) {
5395		return this.eventToSpans(event)[0];
5396	},
5397
5398
5399	// Generates spans (always unzoned) for the given event.
5400	// Does not do any inverting for inverse-background events.
5401	// Can accept an event "location" as well (which only has start/end and no allDay)
5402	eventToSpans: function(event) {
5403		var range = this.eventToRange(event);
5404		return this.eventRangeToSpans(range, event);
5405	},
5406
5407
5408
5409	// Converts an array of event objects into an array of event segment objects.
5410	// A custom `segSliceFunc` may be given for arbitrarily slicing up events.
5411	// Doesn't guarantee an order for the resulting array.
5412	eventsToSegs: function(allEvents, segSliceFunc) {
5413		var _this = this;
5414		var eventsById = groupEventsById(allEvents);
5415		var segs = [];
5416
5417		$.each(eventsById, function(id, events) {
5418			var ranges = [];
5419			var i;
5420
5421			for (i = 0; i < events.length; i++) {
5422				ranges.push(_this.eventToRange(events[i]));
5423			}
5424
5425			// inverse-background events (utilize only the first event in calculations)
5426			if (isInverseBgEvent(events[0])) {
5427				ranges = _this.invertRanges(ranges);
5428
5429				for (i = 0; i < ranges.length; i++) {
5430					segs.push.apply(segs, // append to
5431						_this.eventRangeToSegs(ranges[i], events[0], segSliceFunc));
5432				}
5433			}
5434			// normal event ranges
5435			else {
5436				for (i = 0; i < ranges.length; i++) {
5437					segs.push.apply(segs, // append to
5438						_this.eventRangeToSegs(ranges[i], events[i], segSliceFunc));
5439				}
5440			}
5441		});
5442
5443		return segs;
5444	},
5445
5446
5447	// Generates the unzoned start/end dates an event appears to occupy
5448	// Can accept an event "location" as well (which only has start/end and no allDay)
5449	eventToRange: function(event) {
5450		var calendar = this.view.calendar;
5451		var start = event.start.clone().stripZone();
5452		var end = (
5453				event.end ?
5454					event.end.clone() :
5455					// derive the end from the start and allDay. compute allDay if necessary
5456					calendar.getDefaultEventEnd(
5457						event.allDay != null ?
5458							event.allDay :
5459							!event.start.hasTime(),
5460						event.start
5461					)
5462			).stripZone();
5463
5464		// hack: dynamic locale change forgets to upate stored event localed
5465		calendar.localizeMoment(start);

5466		calendar.localizeMoment(end);
5467
5468		return { start: start, end: end };
5469	},
5470
5471
5472	// Given an event's range (unzoned start/end), and the event itself,
5473	// slice into segments (using the segSliceFunc function if specified)
5474	eventRangeToSegs: function(range, event, segSliceFunc) {
5475		var spans = this.eventRangeToSpans(range, event);
5476		var segs = [];
5477		var i;
5478
5479		for (i = 0; i < spans.length; i++) {
5480			segs.push.apply(segs, // append to
5481				this.eventSpanToSegs(spans[i], event, segSliceFunc));
5482		}
5483
5484		return segs;
5485	},
5486
5487
5488	// Given an event's unzoned date range, return an array of "span" objects.
5489	// Subclasses can override.
5490	eventRangeToSpans: function(range, event) {
5491		return [ $.extend({}, range) ]; // copy into a single-item array
5492	},
5493
5494
5495	// Given an event's span (unzoned start/end and other misc data), and the event itself,
5496	// slices into segments and attaches event-derived properties to them.
5497	eventSpanToSegs: function(span, event, segSliceFunc) {
5498		var segs = segSliceFunc ? segSliceFunc(span) : this.spanToSegs(span);
5499		var i, seg;
5500
5501		for (i = 0; i < segs.length; i++) {
5502			seg = segs[i];
5503			seg.event = event;
5504			seg.eventStartMS = +span.start; // TODO: not the best name after making spans unzoned
5505			seg.eventDurationMS = span.end - span.start;
5506		}
5507
5508		return segs;
5509	},
5510
5511
5512	// Produces a new array of range objects that will cover all the time NOT covered by the given ranges.
5513	// SIDE EFFECT: will mutate the given array and will use its date references.
5514	invertRanges: function(ranges) {
5515		var view = this.view;
5516		var viewStart = view.start.clone(); // need a copy
5517		var viewEnd = view.end.clone(); // need a copy
5518		var inverseRanges = [];
5519		var start = viewStart; // the end of the previous range. the start of the new range
5520		var i, range;
5521
5522		// ranges need to be in order. required for our date-walking algorithm
5523		ranges.sort(compareRanges);
5524
5525		for (i = 0; i < ranges.length; i++) {
5526			range = ranges[i];
5527
5528			// add the span of time before the event (if there is any)
5529			if (range.start > start) { // compare millisecond time (skip any ambig logic)
5530				inverseRanges.push({
5531					start: start,
5532					end: range.start
5533				});
5534			}
5535
5536			start = range.end;
5537		}
5538
5539		// add the span of time after the last event (if there is any)
5540		if (start < viewEnd) { // compare millisecond time (skip any ambig logic)
5541			inverseRanges.push({
5542				start: start,
5543				end: viewEnd
5544			});
5545		}
5546
5547		return inverseRanges;
5548	},
5549
5550
5551	sortEventSegs: function(segs) {
5552		segs.sort(proxy(this, 'compareEventSegs'));
5553	},
5554
5555
5556	// A cmp function for determining which segments should take visual priority
5557	compareEventSegs: function(seg1, seg2) {
5558		return seg1.eventStartMS - seg2.eventStartMS || // earlier events go first
5559			seg2.eventDurationMS - seg1.eventDurationMS || // tie? longer events go first
5560			seg2.event.allDay - seg1.event.allDay || // tie? put all-day events first (booleans cast to 0/1)
5561			compareByFieldSpecs(seg1.event, seg2.event, this.view.eventOrderSpecs);
5562	}
5563
5564});
5565
5566
5567/* Utilities
5568----------------------------------------------------------------------------------------------------------------------*/
5569
5570
5571function pluckEventDateProps(event) {
5572	return {
5573		start: event.start.clone(),
5574		end: event.end ? event.end.clone() : null,
5575		allDay: event.allDay // keep it the same
5576	};
5577}
5578FC.pluckEventDateProps = pluckEventDateProps;
5579
5580
5581function isBgEvent(event) { // returns true if background OR inverse-background
5582	var rendering = getEventRendering(event);
5583	return rendering === 'background' || rendering === 'inverse-background';
5584}
5585FC.isBgEvent = isBgEvent; // export
5586
5587
5588function isInverseBgEvent(event) {
5589	return getEventRendering(event) === 'inverse-background';
5590}
5591
5592
5593function getEventRendering(event) {
5594	return firstDefined((event.source || {}).rendering, event.rendering);
5595}
5596
5597
5598function groupEventsById(events) {
5599	var eventsById = {};
5600	var i, event;
5601
5602	for (i = 0; i < events.length; i++) {
5603		event = events[i];
5604		(eventsById[event._id] || (eventsById[event._id] = [])).push(event);
5605	}
5606
5607	return eventsById;
5608}
5609
5610
5611// A cmp function for determining which non-inverted "ranges" (see above) happen earlier
5612function compareRanges(range1, range2) {
5613	return range1.start - range2.start; // earlier ranges go first
5614}
5615
5616
5617/* External-Dragging-Element Data
5618----------------------------------------------------------------------------------------------------------------------*/
5619
5620// Require all HTML5 data-* attributes used by FullCalendar to have this prefix.
5621// A value of '' will query attributes like data-event. A value of 'fc' will query attributes like data-fc-event.
5622FC.dataAttrPrefix = '';
5623
5624// Given a jQuery element that might represent a dragged FullCalendar event, returns an intermediate data structure
5625// to be used for Event Object creation.
5626// A defined `.eventProps`, even when empty, indicates that an event should be created.
5627function getDraggedElMeta(el) {
5628	var prefix = FC.dataAttrPrefix;
5629	var eventProps; // properties for creating the event, not related to date/time
5630	var startTime; // a Duration
5631	var duration;
5632	var stick;
5633
5634	if (prefix) { prefix += '-'; }
5635	eventProps = el.data(prefix + 'event') || null;
5636
5637	if (eventProps) {
5638		if (typeof eventProps === 'object') {
5639			eventProps = $.extend({}, eventProps); // make a copy
5640		}
5641		else { // something like 1 or true. still signal event creation
5642			eventProps = {};
5643		}
5644
5645		// pluck special-cased date/time properties
5646		startTime = eventProps.start;
5647		if (startTime == null) { startTime = eventProps.time; } // accept 'time' as well
5648		duration = eventProps.duration;
5649		stick = eventProps.stick;
5650		delete eventProps.start;
5651		delete eventProps.time;
5652		delete eventProps.duration;
5653		delete eventProps.stick;
5654	}
5655
5656	// fallback to standalone attribute values for each of the date/time properties
5657	if (startTime == null) { startTime = el.data(prefix + 'start'); }
5658	if (startTime == null) { startTime = el.data(prefix + 'time'); } // accept 'time' as well
5659	if (duration == null) { duration = el.data(prefix + 'duration'); }
5660	if (stick == null) { stick = el.data(prefix + 'stick'); }
5661
5662	// massage into correct data types
5663	startTime = startTime != null ? moment.duration(startTime) : null;
5664	duration = duration != null ? moment.duration(duration) : null;
5665	stick = Boolean(stick);
5666
5667	return { eventProps: eventProps, startTime: startTime, duration: duration, stick: stick };
5668}
5669
5670
5671;;
5672
5673/*
5674A set of rendering and date-related methods for a visual component comprised of one or more rows of day columns.
5675Prerequisite: the object being mixed into needs to be a *Grid*
5676*/
5677var DayTableMixin = FC.DayTableMixin = {
5678
5679	breakOnWeeks: false, // should create a new row for each week?
5680	dayDates: null, // whole-day dates for each column. left to right
5681	dayIndices: null, // for each day from start, the offset
5682	daysPerRow: null,
5683	rowCnt: null,
5684	colCnt: null,
5685	colHeadFormat: null,
5686
5687
5688	// Populates internal variables used for date calculation and rendering
5689	updateDayTable: function() {
5690		var view = this.view;
5691		var date = this.start.clone();
5692		var dayIndex = -1;
5693		var dayIndices = [];
5694		var dayDates = [];
5695		var daysPerRow;
5696		var firstDay;
5697		var rowCnt;
5698
5699		while (date.isBefore(this.end)) { // loop each day from start to end

5700			if (view.isHiddenDay(date)) {
5701				dayIndices.push(dayIndex + 0.5); // mark that it's between indices
5702			}
5703			else {
5704				dayIndex++;
5705				dayIndices.push(dayIndex);
5706				dayDates.push(date.clone());
5707			}
5708			date.add(1, 'days');
5709		}
5710
5711		if (this.breakOnWeeks) {
5712			// count columns until the day-of-week repeats
5713			firstDay = dayDates[0].day();
5714			for (daysPerRow = 1; daysPerRow < dayDates.length; daysPerRow++) {
5715				if (dayDates[daysPerRow].day() == firstDay) {
5716					break;
5717				}
5718			}
5719			rowCnt = Math.ceil(dayDates.length / daysPerRow);
5720		}
5721		else {
5722			rowCnt = 1;
5723			daysPerRow = dayDates.length;
5724		}
5725
5726		this.dayDates = dayDates;
5727		this.dayIndices = dayIndices;
5728		this.daysPerRow = daysPerRow;
5729		this.rowCnt = rowCnt;
5730
5731		this.updateDayTableCols();
5732	},
5733
5734
5735	// Computes and assigned the colCnt property and updates any options that may be computed from it
5736	updateDayTableCols: function() {
5737		this.colCnt = this.computeColCnt();
5738		this.colHeadFormat = this.view.opt('columnFormat') || this.computeColHeadFormat();
5739	},
5740
5741
5742	// Determines how many columns there should be in the table
5743	computeColCnt: function() {
5744		return this.daysPerRow;
5745	},
5746
5747
5748	// Computes the ambiguously-timed moment for the given cell
5749	getCellDate: function(row, col) {
5750		return this.dayDates[
5751				this.getCellDayIndex(row, col)
5752			].clone();
5753	},
5754
5755
5756	// Computes the ambiguously-timed date range for the given cell
5757	getCellRange: function(row, col) {
5758		var start = this.getCellDate(row, col);
5759		var end = start.clone().add(1, 'days');
5760
5761		return { start: start, end: end };
5762	},
5763
5764
5765	// Returns the number of day cells, chronologically, from the first of the grid (0-based)
5766	getCellDayIndex: function(row, col) {
5767		return row * this.daysPerRow + this.getColDayIndex(col);
5768	},
5769
5770
5771	// Returns the numner of day cells, chronologically, from the first cell in *any given row*
5772	getColDayIndex: function(col) {
5773		if (this.isRTL) {
5774			return this.colCnt - 1 - col;
5775		}
5776		else {
5777			return col;
5778		}
5779	},
5780
5781
5782	// Given a date, returns its chronolocial cell-index from the first cell of the grid.
5783	// If the date lies between cells (because of hiddenDays), returns a floating-point value between offsets.
5784	// If before the first offset, returns a negative number.
5785	// If after the last offset, returns an offset past the last cell offset.
5786	// Only works for *start* dates of cells. Will not work for exclusive end dates for cells.
5787	getDateDayIndex: function(date) {
5788		var dayIndices = this.dayIndices;
5789		var dayOffset = date.diff(this.start, 'days');
5790
5791		if (dayOffset < 0) {
5792			return dayIndices[0] - 1;
5793		}
5794		else if (dayOffset >= dayIndices.length) {
5795			return dayIndices[dayIndices.length - 1] + 1;
5796		}
5797		else {
5798			return dayIndices[dayOffset];
5799		}
5800	},
5801
5802
5803	/* Options
5804	------------------------------------------------------------------------------------------------------------------*/
5805
5806
5807	// Computes a default column header formatting string if `colFormat` is not explicitly defined
5808	computeColHeadFormat: function() {
5809		// if more than one week row, or if there are a lot of columns with not much space,
5810		// put just the day numbers will be in each cell
5811		if (this.rowCnt > 1 || this.colCnt > 10) {
5812			return 'ddd'; // "Sat"
5813		}
5814		// multiple days, so full single date string WON'T be in title text
5815		else if (this.colCnt > 1) {
5816			return this.view.opt('dayOfMonthFormat'); // "Sat 12/10"
5817		}
5818		// single day, so full single date string will probably be in title text
5819		else {
5820			return 'dddd'; // "Saturday"
5821		}
5822	},
5823
5824
5825	/* Slicing
5826	------------------------------------------------------------------------------------------------------------------*/
5827
5828
5829	// Slices up a date range into a segment for every week-row it intersects with
5830	sliceRangeByRow: function(range) {
5831		var daysPerRow = this.daysPerRow;
5832		var normalRange = this.view.computeDayRange(range); // make whole-day range, considering nextDayThreshold
5833		var rangeFirst = this.getDateDayIndex(normalRange.start); // inclusive first index
5834		var rangeLast = this.getDateDayIndex(normalRange.end.clone().subtract(1, 'days')); // inclusive last index
5835		var segs = [];
5836		var row;
5837		var rowFirst, rowLast; // inclusive day-index range for current row
5838		var segFirst, segLast; // inclusive day-index range for segment
5839
5840		for (row = 0; row < this.rowCnt; row++) {
5841			rowFirst = row * daysPerRow;
5842			rowLast = rowFirst + daysPerRow - 1;
5843
5844			// intersect segment's offset range with the row's
5845			segFirst = Math.max(rangeFirst, rowFirst);
5846			segLast = Math.min(rangeLast, rowLast);
5847
5848			// deal with in-between indices

5849			segFirst = Math.ceil(segFirst); // in-between starts round to next cell
5850			segLast = Math.floor(segLast); // in-between ends round to prev cell
5851
5852			if (segFirst <= segLast) { // was there any intersection with the current row?
5853				segs.push({
5854					row: row,
5855
5856					// normalize to start of row
5857					firstRowDayIndex: segFirst - rowFirst,
5858					lastRowDayIndex: segLast - rowFirst,
5859
5860					// must be matching integers to be the segment's start/end
5861					isStart: segFirst === rangeFirst,
5862					isEnd: segLast === rangeLast
5863				});
5864			}
5865		}
5866
5867		return segs;
5868	},
5869
5870
5871	// Slices up a date range into a segment for every day-cell it intersects with.
5872	// TODO: make more DRY with sliceRangeByRow somehow.
5873	sliceRangeByDay: function(range) {
5874		var daysPerRow = this.daysPerRow;
5875		var normalRange = this.view.computeDayRange(range); // make whole-day range, considering nextDayThreshold
5876		var rangeFirst = this.getDateDayIndex(normalRange.start); // inclusive first index
5877		var rangeLast = this.getDateDayIndex(normalRange.end.clone().subtract(1, 'days')); // inclusive last index
5878		var segs = [];
5879		var row;
5880		var rowFirst, rowLast; // inclusive day-index range for current row
5881		var i;
5882		var segFirst, segLast; // inclusive day-index range for segment
5883
5884		for (row = 0; row < this.rowCnt; row++) {
5885			rowFirst = row * daysPerRow;
5886			rowLast = rowFirst + daysPerRow - 1;
5887
5888			for (i = rowFirst; i <= rowLast; i++) {
5889
5890				// intersect segment's offset range with the row's
5891				segFirst = Math.max(rangeFirst, i);
5892				segLast = Math.min(rangeLast, i);
5893
5894				// deal with in-between indices
5895				segFirst = Math.ceil(segFirst); // in-between starts round to next cell
5896				segLast = Math.floor(segLast); // in-between ends round to prev cell
5897
5898				if (segFirst <= segLast) { // was there any intersection with the current row?
5899					segs.push({
5900						row: row,
5901
5902						// normalize to start of row
5903						firstRowDayIndex: segFirst - rowFirst,
5904						lastRowDayIndex: segLast - rowFirst,
5905
5906						// must be matching integers to be the segment's start/end
5907						isStart: segFirst === rangeFirst,
5908						isEnd: segLast === rangeLast
5909					});
5910				}
5911			}
5912		}
5913
5914		return segs;
5915	},
5916
5917
5918	/* Header Rendering
5919	------------------------------------------------------------------------------------------------------------------*/
5920
5921
5922	renderHeadHtml: function() {
5923		var view = this.view;
5924
5925		return '' +
5926			'<div class="fc-row ' + view.widgetHeaderClass + '">' +
5927				'<table>' +
5928					'<thead>' +
5929						this.renderHeadTrHtml() +
5930					'</thead>' +
5931				'</table>' +
5932			'</div>';
5933	},
5934
5935
5936	renderHeadIntroHtml: function() {
5937		return this.renderIntroHtml(); // fall back to generic
5938	},
5939
5940
5941	renderHeadTrHtml: function() {
5942		return '' +
5943			'<tr>' +
5944				(this.isRTL ? '' : this.renderHeadIntroHtml()) +
5945				this.renderHeadDateCellsHtml() +
5946				(this.isRTL ? this.renderHeadIntroHtml() : '') +
5947			'</tr>';
5948	},
5949
5950
5951	renderHeadDateCellsHtml: function() {
5952		var htmls = [];
5953		var col, date;
5954
5955		for (col = 0; col < this.colCnt; col++) {
5956			date = this.getCellDate(0, col);
5957			htmls.push(this.renderHeadDateCellHtml(date));
5958		}
5959
5960		return htmls.join('');
5961	},
5962
5963
5964	// TODO: when internalApiVersion, accept an object for HTML attributes
5965	// (colspan should be no different)
5966	renderHeadDateCellHtml: function(date, colspan, otherAttrs) {
5967		var view = this.view;
5968		var classNames = [
5969			'fc-day-header',
5970			view.widgetHeaderClass
5971		];
5972
5973		// if only one row of days, the classNames on the header can represent the specific days beneath
5974		if (this.rowCnt === 1) {
5975			classNames = classNames.concat(
5976				// includes the day-of-week class
5977				// noThemeHighlight=true (don't highlight the header)
5978				this.getDayClasses(date, true)
5979			);
5980		}
5981		else {
5982			classNames.push('fc-' + dayIDs[date.day()]); // only add the day-of-week class
5983		}
5984
5985		return '' +
5986            '<th class="' + classNames.join(' ') + '"' +
5987				(this.rowCnt === 1 ?
5988					' data-date="' + date.format('YYYY-MM-DD') + '"' :
5989					'') +
5990				(colspan > 1 ?
5991					' colspan="' + colspan + '"' :
5992					'') +
5993				(otherAttrs ?
5994					' ' + otherAttrs :
5995					'') +
5996				'>' +
5997				// don't make a link if the heading could represent multiple days, or if there's only one day (forceOff)
5998				view.buildGotoAnchorHtml(
5999					{ date: date, forceOff: this.rowCnt > 1 || this.colCnt === 1 },
6000					htmlEscape(date.format(this.colHeadFormat)) // inner HTML
6001				) +
6002			'</th>';
6003	},
6004
6005

6006	/* Background Rendering
6007	------------------------------------------------------------------------------------------------------------------*/
6008
6009
6010	renderBgTrHtml: function(row) {
6011		return '' +
6012			'<tr>' +
6013				(this.isRTL ? '' : this.renderBgIntroHtml(row)) +
6014				this.renderBgCellsHtml(row) +
6015				(this.isRTL ? this.renderBgIntroHtml(row) : '') +
6016			'</tr>';
6017	},
6018
6019
6020	renderBgIntroHtml: function(row) {
6021		return this.renderIntroHtml(); // fall back to generic
6022	},
6023
6024
6025	renderBgCellsHtml: function(row) {
6026		var htmls = [];
6027		var col, date;
6028
6029		for (col = 0; col < this.colCnt; col++) {
6030			date = this.getCellDate(row, col);
6031			htmls.push(this.renderBgCellHtml(date));
6032		}
6033
6034		return htmls.join('');
6035	},
6036
6037
6038	renderBgCellHtml: function(date, otherAttrs) {
6039		var view = this.view;
6040		var classes = this.getDayClasses(date);
6041
6042		classes.unshift('fc-day', view.widgetContentClass);
6043
6044		return '<td class="' + classes.join(' ') + '"' +
6045			' data-date="' + date.format('YYYY-MM-DD') + '"' + // if date has a time, won't format it
6046			(otherAttrs ?
6047				' ' + otherAttrs :
6048				'') +
6049			'></td>';
6050	},
6051
6052
6053	/* Generic
6054	------------------------------------------------------------------------------------------------------------------*/
6055
6056
6057	// Generates the default HTML intro for any row. User classes should override
6058	renderIntroHtml: function() {
6059	},
6060
6061
6062	// TODO: a generic method for dealing with <tr>, RTL, intro
6063	// when increment internalApiVersion
6064	// wrapTr (scheduler)
6065
6066
6067	/* Utils
6068	------------------------------------------------------------------------------------------------------------------*/
6069
6070
6071	// Applies the generic "intro" and "outro" HTML to the given cells.
6072	// Intro means the leftmost cell when the calendar is LTR and the rightmost cell when RTL. Vice-versa for outro.
6073	bookendCells: function(trEl) {
6074		var introHtml = this.renderIntroHtml();
6075
6076		if (introHtml) {
6077			if (this.isRTL) {
6078				trEl.append(introHtml);
6079			}
6080			else {
6081				trEl.prepend(introHtml);
6082			}
6083		}
6084	}
6085
6086};
6087
6088;;
6089
6090/* A component that renders a grid of whole-days that runs horizontally. There can be multiple rows, one per week.
6091----------------------------------------------------------------------------------------------------------------------*/
6092
6093var DayGrid = FC.DayGrid = Grid.extend(DayTableMixin, {
6094
6095	numbersVisible: false, // should render a row for day/week numbers? set by outside view. TODO: make internal
6096	bottomCoordPadding: 0, // hack for extending the hit area for the last row of the coordinate grid
6097

6098	rowEls: null, // set of fake row elements
6099	cellEls: null, // set of whole-day elements comprising the row's background
6100	helperEls: null, // set of cell skeleton elements for rendering the mock event "helper"
6101
6102	rowCoordCache: null,
6103	colCoordCache: null,
6104
6105
6106	// Renders the rows and columns into the component's `this.el`, which should already be assigned.
6107	// isRigid determins whether the individual rows should ignore the contents and be a constant height.
6108	// Relies on the view's colCnt and rowCnt. In the future, this component should probably be self-sufficient.
6109	renderDates: function(isRigid) {
6110		var view = this.view;
6111		var rowCnt = this.rowCnt;
6112		var colCnt = this.colCnt;
6113		var html = '';
6114		var row;
6115		var col;
6116
6117		for (row = 0; row < rowCnt; row++) {
6118			html += this.renderDayRowHtml(row, isRigid);
6119		}
6120		this.el.html(html);
6121
6122		this.rowEls = this.el.find('.fc-row');
6123		this.cellEls = this.el.find('.fc-day');
6124
6125		this.rowCoordCache = new CoordCache({
6126			els: this.rowEls,
6127			isVertical: true
6128		});
6129		this.colCoordCache = new CoordCache({
6130			els: this.cellEls.slice(0, this.colCnt), // only the first row
6131			isHorizontal: true
6132		});
6133
6134		// trigger dayRender with each cell's element
6135		for (row = 0; row < rowCnt; row++) {
6136			for (col = 0; col < colCnt; col++) {
6137				view.publiclyTrigger(
6138					'dayRender',
6139					null,
6140					this.getCellDate(row, col),
6141					this.getCellEl(row, col)
6142				);
6143			}
6144		}
6145	},
6146
6147
6148	unrenderDates: function() {
6149		this.removeSegPopover();
6150	},
6151
6152
6153	renderBusinessHours: function() {
6154		var segs = this.buildBusinessHourSegs(true); // wholeDay=true
6155		this.renderFill('businessHours', segs, 'bgevent');
6156	},
6157
6158
6159	unrenderBusinessHours: function() {
6160		this.unrenderFill('businessHours');
6161	},
6162
6163
6164	// Generates the HTML for a single row, which is a div that wraps a table.
6165	// `row` is the row number.
6166	renderDayRowHtml: function(row, isRigid) {
6167		var view = this.view;
6168		var classes = [ 'fc-row', 'fc-week', view.widgetContentClass ];
6169
6170		if (isRigid) {
6171			classes.push('fc-rigid');
6172		}
6173
6174		return '' +
6175			'<div class="' + classes.join(' ') + '">' +
6176				'<div class="fc-bg">' +
6177					'<table>' +
6178						this.renderBgTrHtml(row) +
6179					'</table>' +
6180				'</div>' +
6181				'<div class="fc-content-skeleton">' +
6182					'<table>' +
6183						(this.numbersVisible ?
6184							'<thead>' +
6185								this.renderNumberTrHtml(row) +
6186							'</thead>' :
6187							''
6188							) +
6189					'</table>' +
6190				'</div>' +
6191			'</div>';
6192	},
6193
6194
6195	/* Grid Number Rendering
6196	------------------------------------------------------------------------------------------------------------------*/
6197
6198
6199	renderNumberTrHtml: function(row) {
6200		return '' +
6201			'<tr>' +
6202				(this.isRTL ? '' : this.renderNumberIntroHtml(row)) +
6203				this.renderNumberCellsHtml(row) +
6204				(this.isRTL ? this.renderNumberIntroHtml(row) : '') +
6205			'</tr>';
6206	},
6207
6208
6209	renderNumberIntroHtml: function(row) {
6210		return this.renderIntroHtml();
6211	},
6212
6213
6214	renderNumberCellsHtml: function(row) {
6215		var htmls = [];
6216		var col, date;
6217
6218		for (col = 0; col < this.colCnt; col++) {
6219			date = this.getCellDate(row, col);
6220			htmls.push(this.renderNumberCellHtml(date));
6221		}
6222
6223		return htmls.join('');
6224	},
6225
6226
6227	// Generates the HTML for the <td>s of the "number" row in the DayGrid's content skeleton.
6228	// The number row will only exist if either day numbers or week numbers are turned on.
6229	renderNumberCellHtml: function(date) {
6230		var html = '';
6231		var classes;
6232		var weekCalcFirstDoW;
6233
6234		if (!this.view.dayNumbersVisible && !this.view.cellWeekNumbersVisible) {
6235			// no numbers in day cell (week number must be along the side)
6236			return '<td/>'; //  will create an empty space above events :(
6237		}
6238
6239		classes = this.getDayClasses(date);
6240		classes.unshift('fc-day-top');
6241
6242		if (this.view.cellWeekNumbersVisible) {
6243			// To determine the day of week number change under ISO, we cannot
6244			// rely on moment.js methods such as firstDayOfWeek() or weekday(),
6245			// because they rely on the locale's dow (possibly overridden by
6246			// our firstDay option), which may not be Monday. We cannot change
6247			// dow, because that would affect the calendar start day as well.
6248			if (date._locale._fullCalendar_weekCalc === 'ISO') {
6249				weekCalcFirstDoW = 1;  // Monday by ISO 8601 definition
6250			}
6251			else {
6252				weekCalcFirstDoW = date._locale.firstDayOfWeek();
6253			}
6254		}
6255
6256		html += '<td class="' + classes.join(' ') + '" data-date="' + date.format() + '">';
6257
6258		if (this.view.cellWeekNumbersVisible && (date.day() == weekCalcFirstDoW)) {
6259			html += this.view.buildGotoAnchorHtml(
6260				{ date: date, type: 'week' },
6261				{ 'class': 'fc-week-number' },
6262				date.format('w') // inner HTML
6263			);
6264		}
6265
6266		if (this.view.dayNumbersVisible) {
6267			html += this.view.buildGotoAnchorHtml(
6268				date,
6269				{ 'class': 'fc-day-number' },
6270				date.date() // inner HTML
6271			);
6272		}
6273
6274		html += '</td>';
6275
6276		return html;
6277	},
6278
6279
6280	/* Options
6281	------------------------------------------------------------------------------------------------------------------*/
6282
6283
6284	// Computes a default event time formatting string if `timeFormat` is not explicitly defined
6285	computeEventTimeFormat: function() {
6286		return this.view.opt('extraSmallTimeFormat'); // like "6p" or "6:30p"
6287	},
6288
6289
6290	// Computes a default `displayEventEnd` value if one is not expliclty defined
6291	computeDisplayEventEnd: function() {
6292		return this.colCnt == 1; // we'll likely have space if there's only one day
6293	},
6294
6295
6296	/* Dates
6297	------------------------------------------------------------------------------------------------------------------*/
6298
6299
6300	rangeUpdated: function() {
6301		this.updateDayTable();
6302	},
6303
6304

6305	// Slices up the given span (unzoned start/end with other misc data) into an array of segments
6306	spanToSegs: function(span) {
6307		var segs = this.sliceRangeByRow(span);
6308		var i, seg;
6309
6310		for (i = 0; i < segs.length; i++) {
6311			seg = segs[i];
6312			if (this.isRTL) {
6313				seg.leftCol = this.daysPerRow - 1 - seg.lastRowDayIndex;
6314				seg.rightCol = this.daysPerRow - 1 - seg.firstRowDayIndex;
6315			}
6316			else {
6317				seg.leftCol = seg.firstRowDayIndex;
6318				seg.rightCol = seg.lastRowDayIndex;
6319			}
6320		}
6321
6322		return segs;
6323	},
6324
6325
6326	/* Hit System
6327	------------------------------------------------------------------------------------------------------------------*/
6328
6329
6330	prepareHits: function() {
6331		this.colCoordCache.build();
6332		this.rowCoordCache.build();
6333		this.rowCoordCache.bottoms[this.rowCnt - 1] += this.bottomCoordPadding; // hack
6334	},
6335
6336
6337	releaseHits: function() {
6338		this.colCoordCache.clear();
6339		this.rowCoordCache.clear();
6340	},
6341
6342
6343	queryHit: function(leftOffset, topOffset) {
6344		if (this.colCoordCache.isLeftInBounds(leftOffset) && this.rowCoordCache.isTopInBounds(topOffset)) {
6345			var col = this.colCoordCache.getHorizontalIndex(leftOffset);
6346			var row = this.rowCoordCache.getVerticalIndex(topOffset);
6347
6348			if (row != null && col != null) {
6349				return this.getCellHit(row, col);
6350			}
6351		}
6352	},
6353
6354
6355	getHitSpan: function(hit) {
6356		return this.getCellRange(hit.row, hit.col);
6357	},
6358
6359
6360	getHitEl: function(hit) {
6361		return this.getCellEl(hit.row, hit.col);
6362	},
6363
6364
6365	/* Cell System
6366	------------------------------------------------------------------------------------------------------------------*/
6367	// FYI: the first column is the leftmost column, regardless of date
6368
6369
6370	getCellHit: function(row, col) {
6371		return {
6372			row: row,
6373			col: col,
6374			component: this, // needed unfortunately :(
6375			left: this.colCoordCache.getLeftOffset(col),
6376			right: this.colCoordCache.getRightOffset(col),
6377			top: this.rowCoordCache.getTopOffset(row),
6378			bottom: this.rowCoordCache.getBottomOffset(row)
6379		};
6380	},
6381
6382
6383	getCellEl: function(row, col) {
6384		return this.cellEls.eq(row * this.colCnt + col);
6385	},
6386
6387
6388	/* Event Drag Visualization
6389	------------------------------------------------------------------------------------------------------------------*/
6390	// TODO: move to DayGrid.event, similar to what we did with Grid's drag methods
6391
6392
6393	// Renders a visual indication of an event or external element being dragged.
6394	// `eventLocation` has zoned start and end (optional)
6395	renderDrag: function(eventLocation, seg) {
6396
6397		// always render a highlight underneath
6398		this.renderHighlight(this.eventToSpan(eventLocation));
6399
6400		// if a segment from the same calendar but another component is being dragged, render a helper event
6401		if (seg && seg.component !== this) {
6402			return this.renderEventLocationHelper(eventLocation, seg); // returns mock event elements
6403		}
6404	},
6405
6406
6407	// Unrenders any visual indication of a hovering event
6408	unrenderDrag: function() {
6409		this.unrenderHighlight();
6410		this.unrenderHelper();
6411	},
6412
6413
6414	/* Event Resize Visualization
6415	------------------------------------------------------------------------------------------------------------------*/
6416
6417
6418	// Renders a visual indication of an event being resized
6419	renderEventResize: function(eventLocation, seg) {
6420		this.renderHighlight(this.eventToSpan(eventLocation));
6421		return this.renderEventLocationHelper(eventLocation, seg); // returns mock event elements
6422	},
6423
6424
6425	// Unrenders a visual indication of an event being resized
6426	unrenderEventResize: function() {
6427		this.unrenderHighlight();
6428		this.unrenderHelper();
6429	},
6430
6431
6432	/* Event Helper
6433	------------------------------------------------------------------------------------------------------------------*/
6434
6435
6436	// Renders a mock "helper" event. `sourceSeg` is the associated internal segment object. It can be null.
6437	renderHelper: function(event, sourceSeg) {
6438		var helperNodes = [];
6439		var segs = this.eventToSegs(event);
6440		var rowStructs;
6441
6442		segs = this.renderFgSegEls(segs); // assigns each seg's el and returns a subset of segs that were rendered
6443		rowStructs = this.renderSegRows(segs);
6444
6445		// inject each new event skeleton into each associated row
6446		this.rowEls.each(function(row, rowNode) {
6447			var rowEl = $(rowNode); // the .fc-row

6448			var skeletonEl = $('<div class="fc-helper-skeleton"><table/></div>'); // will be absolutely positioned
6449			var skeletonTop;
6450
6451			// If there is an original segment, match the top position. Otherwise, put it at the row's top level
6452			if (sourceSeg && sourceSeg.row === row) {
6453				skeletonTop = sourceSeg.el.position().top;
6454			}
6455			else {
6456				skeletonTop = rowEl.find('.fc-content-skeleton tbody').position().top;
6457			}
6458
6459			skeletonEl.css('top', skeletonTop)
6460				.find('table')
6461					.append(rowStructs[row].tbodyEl);
6462
6463			rowEl.append(skeletonEl);
6464			helperNodes.push(skeletonEl[0]);
6465		});
6466
6467		return ( // must return the elements rendered
6468			this.helperEls = $(helperNodes) // array -> jQuery set
6469		);
6470	},
6471
6472
6473	// Unrenders any visual indication of a mock helper event
6474	unrenderHelper: function() {
6475		if (this.helperEls) {
6476			this.helperEls.remove();
6477			this.helperEls = null;
6478		}
6479	},
6480
6481
6482	/* Fill System (highlight, background events, business hours)
6483	------------------------------------------------------------------------------------------------------------------*/
6484
6485
6486	fillSegTag: 'td', // override the default tag name
6487
6488
6489	// Renders a set of rectangles over the given segments of days.
6490	// Only returns segments that successfully rendered.
6491	renderFill: function(type, segs, className) {
6492		var nodes = [];
6493		var i, seg;
6494		var skeletonEl;
6495
6496		segs = this.renderFillSegEls(type, segs); // assignes `.el` to each seg. returns successfully rendered segs
6497
6498		for (i = 0; i < segs.length; i++) {
6499			seg = segs[i];
6500			skeletonEl = this.renderFillRow(type, seg, className);
6501			this.rowEls.eq(seg.row).append(skeletonEl);
6502			nodes.push(skeletonEl[0]);
6503		}
6504
6505		this.elsByFill[type] = $(nodes);
6506
6507		return segs;
6508	},
6509
6510
6511	// Generates the HTML needed for one row of a fill. Requires the seg's el to be rendered.
6512	renderFillRow: function(type, seg, className) {
6513		var colCnt = this.colCnt;
6514		var startCol = seg.leftCol;
6515		var endCol = seg.rightCol + 1;
6516		var skeletonEl;
6517		var trEl;
6518
6519		className = className || type.toLowerCase();
6520
6521		skeletonEl = $(
6522			'<div class="fc-' + className + '-skeleton">' +
6523				'<table><tr/></table>' +
6524			'</div>'
6525		);
6526		trEl = skeletonEl.find('tr');
6527
6528		if (startCol > 0) {
6529			trEl.append('<td colspan="' + startCol + '"/>');
6530		}
6531
6532		trEl.append(
6533			seg.el.attr('colspan', endCol - startCol)
6534		);
6535
6536		if (endCol < colCnt) {
6537			trEl.append('<td colspan="' + (colCnt - endCol) + '"/>');
6538		}
6539
6540		this.bookendCells(trEl);
6541
6542		return skeletonEl;
6543	}
6544
6545});
6546
6547;;
6548
6549/* Event-rendering methods for the DayGrid class
6550----------------------------------------------------------------------------------------------------------------------*/
6551
6552DayGrid.mixin({
6553
6554	rowStructs: null, // an array of objects, each holding information about a row's foreground event-rendering
6555
6556
6557	// Unrenders all events currently rendered on the grid
6558	unrenderEvents: function() {
6559		this.removeSegPopover(); // removes the "more.." events popover
6560		Grid.prototype.unrenderEvents.apply(this, arguments); // calls the super-method
6561	},
6562
6563
6564	// Retrieves all rendered segment objects currently rendered on the grid
6565	getEventSegs: function() {
6566		return Grid.prototype.getEventSegs.call(this) // get the segments from the super-method
6567			.concat(this.popoverSegs || []); // append the segments from the "more..." popover
6568	},
6569
6570
6571	// Renders the given background event segments onto the grid
6572	renderBgSegs: function(segs) {
6573
6574		// don't render timed background events
6575		var allDaySegs = $.grep(segs, function(seg) {
6576			return seg.event.allDay;
6577		});
6578
6579		return Grid.prototype.renderBgSegs.call(this, allDaySegs); // call the super-method
6580	},
6581
6582
6583	// Renders the given foreground event segments onto the grid
6584	renderFgSegs: function(segs) {
6585		var rowStructs;
6586
6587		// render an `.el` on each seg
6588		// returns a subset of the segs. segs that were actually rendered
6589		segs = this.renderFgSegEls(segs);
6590
6591		rowStructs = this.rowStructs = this.renderSegRows(segs);
6592
6593		// append to each row's content skeleton
6594		this.rowEls.each(function(i, rowNode) {
6595			$(rowNode).find('.fc-content-skeleton > table').append(
6596				rowStructs[i].tbodyEl
6597			);
6598		});
6599
6600		return segs; // return only the segs that were actually rendered
6601	},
6602
6603
6604	// Unrenders all currently rendered foreground event segments
6605	unrenderFgSegs: function() {
6606		var rowStructs = this.rowStructs || [];
6607		var rowStruct;
6608
6609		while ((rowStruct = rowStructs.pop())) {
6610			rowStruct.tbodyEl.remove();
6611		}
6612
6613		this.rowStructs = null;
6614	},
6615
6616
6617	// Uses the given events array to generate <tbody> elements that should be appended to each row's content skeleton.
6618	// Returns an array of rowStruct objects (see the bottom of `renderSegRow`).
6619	// PRECONDITION: each segment shoud already have a rendered and assigned `.el`
6620	renderSegRows: function(segs) {
6621		var rowStructs = [];
6622		var segRows;
6623		var row;
6624
6625		segRows = this.groupSegRows(segs); // group into nested arrays
6626
6627		// iterate each row of segment groupings
6628		for (row = 0; row < segRows.length; row++) {
6629			rowStructs.push(
6630				this.renderSegRow(row, segRows[row])
6631			);
6632		}
6633
6634		return rowStructs;
6635	},
6636
6637
6638	// Builds the HTML to be used for the default element for an individual segment
6639	fgSegHtml: function(seg, disableResizing) {
6640		var view = this.view;
6641		var event = seg.event;
6642		var isDraggable = view.isEventDraggable(event);
6643		var isResizableFromStart = !disableResizing && event.allDay &&
6644			seg.isStart && view.isEventResizableFromStart(event);
6645		var isResizableFromEnd = !disableResizing && event.allDay &&
6646			seg.isEnd && view.isEventResizableFromEnd(event);

6647		var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd);
6648		var skinCss = cssToStr(this.getSegSkinCss(seg));
6649		var timeHtml = '';
6650		var timeText;
6651		var titleHtml;
6652
6653		classes.unshift('fc-day-grid-event', 'fc-h-event');
6654
6655		// Only display a timed events time if it is the starting segment
6656		if (seg.isStart) {
6657			timeText = this.getEventTimeText(event);
6658			if (timeText) {
6659				timeHtml = '<span class="fc-time">' + htmlEscape(timeText) + '</span>';
6660			}
6661		}
6662
6663		titleHtml =
6664			'<span class="fc-title">' +
6665				(htmlEscape(event.title || '') || '&nbsp;') + // we always want one line of height
6666			'</span>';
6667		
6668		return '<a class="' + classes.join(' ') + '"' +
6669				(event.url ?
6670					' href="' + htmlEscape(event.url) + '"' :
6671					''
6672					) +
6673				(skinCss ?
6674					' style="' + skinCss + '"' :
6675					''
6676					) +
6677			'>' +
6678				'<div class="fc-content">' +
6679					(this.isRTL ?
6680						titleHtml + ' ' + timeHtml : // put a natural space in between
6681						timeHtml + ' ' + titleHtml   //
6682						) +
6683				'</div>' +
6684				(isResizableFromStart ?
6685					'<div class="fc-resizer fc-start-resizer" />' :
6686					''
6687					) +
6688				(isResizableFromEnd ?
6689					'<div class="fc-resizer fc-end-resizer" />' :
6690					''
6691					) +
6692			'</a>';
6693	},
6694
6695
6696	// Given a row # and an array of segments all in the same row, render a <tbody> element, a skeleton that contains
6697	// the segments. Returns object with a bunch of internal data about how the render was calculated.
6698	// NOTE: modifies rowSegs
6699	renderSegRow: function(row, rowSegs) {
6700		var colCnt = this.colCnt;
6701		var segLevels = this.buildSegLevels(rowSegs); // group into sub-arrays of levels
6702		var levelCnt = Math.max(1, segLevels.length); // ensure at least one level
6703		var tbody = $('<tbody/>');
6704		var segMatrix = []; // lookup for which segments are rendered into which level+col cells
6705		var cellMatrix = []; // lookup for all <td> elements of the level+col matrix
6706		var loneCellMatrix = []; // lookup for <td> elements that only take up a single column
6707		var i, levelSegs;
6708		var col;
6709		var tr;
6710		var j, seg;
6711		var td;
6712
6713		// populates empty cells from the current column (`col`) to `endCol`
6714		function emptyCellsUntil(endCol) {
6715			while (col < endCol) {
6716				// try to grab a cell from the level above and extend its rowspan. otherwise, create a fresh cell
6717				td = (loneCellMatrix[i - 1] || [])[col];
6718				if (td) {
6719					td.attr(
6720						'rowspan',
6721						parseInt(td.attr('rowspan') || 1, 10) + 1
6722					);
6723				}
6724				else {
6725					td = $('<td/>');
6726					tr.append(td);
6727				}
6728				cellMatrix[i][col] = td;
6729				loneCellMatrix[i][col] = td;
6730				col++;
6731			}
6732		}
6733
6734		for (i = 0; i < levelCnt; i++) { // iterate through all levels
6735			levelSegs = segLevels[i];
6736			col = 0;
6737			tr = $('<tr/>');
6738
6739			segMatrix.push([]);
6740			cellMatrix.push([]);
6741			loneCellMatrix.push([]);
6742
6743			// levelCnt might be 1 even though there are no actual levels. protect against this.
6744			// this single empty row is useful for styling.
6745			if (levelSegs) {
6746				for (j = 0; j < levelSegs.length; j++) { // iterate through segments in level
6747					seg = levelSegs[j];
6748
6749					emptyCellsUntil(seg.leftCol);
6750
6751					// create a container that occupies or more columns. append the event element.
6752					td = $('<td class="fc-event-container"/>').append(seg.el);
6753					if (seg.leftCol != seg.rightCol) {
6754						td.attr('colspan', seg.rightCol - seg.leftCol + 1);
6755					}
6756					else { // a single-column segment
6757						loneCellMatrix[i][col] = td;
6758					}
6759
6760					while (col <= seg.rightCol) {
6761						cellMatrix[i][col] = td;
6762						segMatrix[i][col] = seg;
6763						col++;
6764					}
6765
6766					tr.append(td);
6767				}
6768			}
6769
6770			emptyCellsUntil(colCnt); // finish off the row
6771			this.bookendCells(tr);
6772			tbody.append(tr);
6773		}
6774
6775		return { // a "rowStruct"
6776			row: row, // the row number
6777			tbodyEl: tbody,
6778			cellMatrix: cellMatrix,
6779			segMatrix: segMatrix,
6780			segLevels: segLevels,
6781			segs: rowSegs
6782		};
6783	},
6784
6785
6786	// Stacks a flat array of segments, which are all assumed to be in the same row, into subarrays of vertical levels.
6787	// NOTE: modifies segs
6788	buildSegLevels: function(segs) {
6789		var levels = [];
6790		var i, seg;
6791		var j;
6792
6793		// Give preference to elements with certain criteria, so they have
6794		// a chance to be closer to the top.
6795		this.sortEventSegs(segs);
6796		
6797		for (i = 0; i < segs.length; i++) {
6798			seg = segs[i];
6799
6800			// loop through levels, starting with the topmost, until the segment doesn't collide with other segments
6801			for (j = 0; j < levels.length; j++) {

6802				if (!isDaySegCollision(seg, levels[j])) {
6803					break;
6804				}
6805			}
6806			// `j` now holds the desired subrow index
6807			seg.level = j;
6808
6809			// create new level array if needed and append segment
6810			(levels[j] || (levels[j] = [])).push(seg);
6811		}
6812
6813		// order segments left-to-right. very important if calendar is RTL
6814		for (j = 0; j < levels.length; j++) {
6815			levels[j].sort(compareDaySegCols);
6816		}
6817
6818		return levels;
6819	},
6820
6821
6822	// Given a flat array of segments, return an array of sub-arrays, grouped by each segment's row
6823	groupSegRows: function(segs) {
6824		var segRows = [];
6825		var i;
6826
6827		for (i = 0; i < this.rowCnt; i++) {
6828			segRows.push([]);
6829		}
6830
6831		for (i = 0; i < segs.length; i++) {
6832			segRows[segs[i].row].push(segs[i]);
6833		}
6834
6835		return segRows;
6836	}
6837
6838});
6839
6840
6841// Computes whether two segments' columns collide. They are assumed to be in the same row.
6842function isDaySegCollision(seg, otherSegs) {
6843	var i, otherSeg;
6844
6845	for (i = 0; i < otherSegs.length; i++) {
6846		otherSeg = otherSegs[i];
6847
6848		if (
6849			otherSeg.leftCol <= seg.rightCol &&
6850			otherSeg.rightCol >= seg.leftCol
6851		) {
6852			return true;
6853		}
6854	}
6855
6856	return false;
6857}
6858
6859
6860// A cmp function for determining the leftmost event
6861function compareDaySegCols(a, b) {
6862	return a.leftCol - b.leftCol;
6863}
6864
6865;;
6866
6867/* Methods relate to limiting the number events for a given day on a DayGrid
6868----------------------------------------------------------------------------------------------------------------------*/
6869// NOTE: all the segs being passed around in here are foreground segs
6870
6871DayGrid.mixin({
6872
6873	segPopover: null, // the Popover that holds events that can't fit in a cell. null when not visible
6874	popoverSegs: null, // an array of segment objects that the segPopover holds. null when not visible
6875
6876
6877	removeSegPopover: function() {
6878		if (this.segPopover) {
6879			this.segPopover.hide(); // in handler, will call segPopover's removeElement
6880		}
6881	},
6882
6883
6884	// Limits the number of "levels" (vertically stacking layers of events) for each row of the grid.
6885	// `levelLimit` can be false (don't limit), a number, or true (should be computed).
6886	limitRows: function(levelLimit) {
6887		var rowStructs = this.rowStructs || [];
6888		var row; // row #
6889		var rowLevelLimit;
6890
6891		for (row = 0; row < rowStructs.length; row++) {
6892			this.unlimitRow(row);
6893
6894			if (!levelLimit) {
6895				rowLevelLimit = false;
6896			}
6897			else if (typeof levelLimit === 'number') {
6898				rowLevelLimit = levelLimit;
6899			}
6900			else {
6901				rowLevelLimit = this.computeRowLevelLimit(row);
6902			}
6903
6904			if (rowLevelLimit !== false) {
6905				this.limitRow(row, rowLevelLimit);
6906			}
6907		}
6908	},
6909
6910
6911	// Computes the number of levels a row will accomodate without going outside its bounds.
6912	// Assumes the row is "rigid" (maintains a constant height regardless of what is inside).
6913	// `row` is the row number.
6914	computeRowLevelLimit: function(row) {
6915		var rowEl = this.rowEls.eq(row); // the containing "fake" row div
6916		var rowHeight = rowEl.height(); // TODO: cache somehow?
6917		var trEls = this.rowStructs[row].tbodyEl.children();
6918		var i, trEl;
6919		var trHeight;
6920
6921		function iterInnerHeights(i, childNode) {
6922			trHeight = Math.max(trHeight, $(childNode).outerHeight());
6923		}
6924
6925		// Reveal one level <tr> at a time and stop when we find one out of bounds
6926		for (i = 0; i < trEls.length; i++) {
6927			trEl = trEls.eq(i).removeClass('fc-limited'); // reset to original state (reveal)
6928
6929			// with rowspans>1 and IE8, trEl.outerHeight() would return the height of the largest cell,
6930			// so instead, find the tallest inner content element.
6931			trHeight = 0;
6932			trEl.find('> td > :first-child').each(iterInnerHeights);
6933
6934			if (trEl.position().top + trHeight > rowHeight) {
6935				return i;
6936			}
6937		}
6938
6939		return false; // should not limit at all
6940	},
6941
6942
6943	// Limits the given grid row to the maximum number of levels and injects "more" links if necessary.
6944	// `row` is the row number.
6945	// `levelLimit` is a number for the maximum (inclusive) number of levels allowed.
6946	limitRow: function(row, levelLimit) {
6947		var _this = this;
6948		var rowStruct = this.rowStructs[row];
6949		var moreNodes = []; // array of "more" <a> links and <td> DOM nodes
6950		var col = 0; // col #, left-to-right (not chronologically)
6951		var levelSegs; // array of segment objects in the last allowable level, ordered left-to-right
6952		var cellMatrix; // a matrix (by level, then column) of all <td> jQuery elements in the row
6953		var limitedNodes; // array of temporarily hidden level <tr> and segment <td> DOM nodes
6954		var i, seg;
6955		var segsBelow; // array of segment objects below `seg` in the current `col`
6956		var totalSegsBelow; // total number of segments below `seg` in any of the columns `seg` occupies
6957		var colSegsBelow; // array of segment arrays, below seg, one for each column (offset from segs's first column)
6958		var td, rowspan;
6959		var segMoreNodes; // array of "more" <td> cells that will stand-in for the current seg's cell
6960		var j;
6961		var moreTd, moreWrap, moreLink;
6962
6963		// Iterates through empty level cells and places "more" links inside if need be
6964		function emptyCellsUntil(endCol) { // goes from current `col` to `endCol`
6965			while (col < endCol) {
6966				segsBelow = _this.getCellSegs(row, col, levelLimit);
6967				if (segsBelow.length) {
6968					td = cellMatrix[levelLimit - 1][col];
6969					moreLink = _this.renderMoreLink(row, col, segsBelow);
6970					moreWrap = $('<div/>').append(moreLink);
6971					td.append(moreWrap);
6972					moreNodes.push(moreWrap[0]);
6973				}
6974				col++;
6975			}
6976		}
6977
6978		if (levelLimit && levelLimit < rowStruct.segLevels.length) { // is it actually over the limit?
6979			levelSegs = rowStruct.segLevels[levelLimit - 1];
6980			cellMatrix = rowStruct.cellMatrix;
6981
6982			limitedNodes = rowStruct.tbodyEl.children().slice(levelLimit) // get level <tr> elements past the limit
6983				.addClass('fc-limited').get(); // hide elements and get a simple DOM-nodes array
6984
6985			// iterate though segments in the last allowable level
6986			for (i = 0; i < levelSegs.length; i++) {
6987				seg = levelSegs[i];
6988				emptyCellsUntil(seg.leftCol); // process empty cells before the segment
6989
6990				// determine *all* segments below `seg` that occupy the same columns
6991				colSegsBelow = [];
6992				totalSegsBelow = 0;
6993				while (col <= seg.rightCol) {
6994					segsBelow = this.getCellSegs(row, col, levelLimit);
6995					colSegsBelow.push(segsBelow);
6996					totalSegsBelow += segsBelow.length;
6997					col++;
6998				}
6999
7000				if (totalSegsBelow) { // do we need to replace this segment with one or many "more" links?
7001					td = cellMatrix[levelLimit - 1][seg.leftCol]; // the segment's parent cell
7002					rowspan = td.attr('rowspan') || 1;
7003					segMoreNodes = [];
7004
7005					// make a replacement <td> for each column the segment occupies. will be one for each colspan
7006					for (j = 0; j < colSegsBelow.length; j++) {
7007						moreTd = $('<td class="fc-more-cell"/>').attr('rowspan', rowspan);
7008						segsBelow = colSegsBelow[j];
7009						moreLink = this.renderMoreLink(
7010							row,
7011							seg.leftCol + j,
7012							[ seg ].concat(segsBelow) // count seg as hidden too
7013						);
7014						moreWrap = $('<div/>').append(moreLink);
7015						moreTd.append(moreWrap);
7016						segMoreNodes.push(moreTd[0]);
7017						moreNodes.push(moreTd[0]);
7018					}
7019
7020					td.addClass('fc-limited').after($(segMoreNodes)); // hide original <td> and inject replacements
7021					limitedNodes.push(td[0]);
7022				}
7023			}
7024
7025			emptyCellsUntil(this.colCnt); // finish off the level
7026			rowStruct.moreEls = $(moreNodes); // for easy undoing later
7027			rowStruct.limitedEls = $(limitedNodes); // for easy undoing later
7028		}
7029	},
7030
7031
7032	// Reveals all levels and removes all "more"-related elements for a grid's row.
7033	// `row` is a row number.
7034	unlimitRow: function(row) {
7035		var rowStruct = this.rowStructs[row];
7036
7037		if (rowStruct.moreEls) {
7038			rowStruct.moreEls.remove();
7039			rowStruct.moreEls = null;
7040		}
7041
7042		if (rowStruct.limitedEls) {
7043			rowStruct.limitedEls.removeClass('fc-limited');
7044			rowStruct.limitedEls = null;
7045		}
7046	},
7047
7048
7049	// Renders an <a> element that represents hidden event element for a cell.
7050	// Responsible for attaching click handler as well.
7051	renderMoreLink: function(row, col, hiddenSegs) {
7052		var _this = this;
7053		var view = this.view;
7054
7055		return $('<a class="fc-more"/>')
7056			.text(
7057				this.getMoreLinkText(hiddenSegs.length)
7058			)
7059			.on('click', function(ev) {
7060				var clickOption = view.opt('eventLimitClick');
7061				var date = _this.getCellDate(row, col);
7062				var moreEl = $(this);
7063				var dayEl = _this.getCellEl(row, col);
7064				var allSegs = _this.getCellSegs(row, col);
7065
7066				// rescope the segments to be within the cell's date

7067				var reslicedAllSegs = _this.resliceDaySegs(allSegs, date);
7068				var reslicedHiddenSegs = _this.resliceDaySegs(hiddenSegs, date);
7069
7070				if (typeof clickOption === 'function') {
7071					// the returned value can be an atomic option
7072					clickOption = view.publiclyTrigger('eventLimitClick', null, {
7073						date: date,
7074						dayEl: dayEl,
7075						moreEl: moreEl,
7076						segs: reslicedAllSegs,
7077						hiddenSegs: reslicedHiddenSegs
7078					}, ev);
7079				}
7080
7081				if (clickOption === 'popover') {
7082					_this.showSegPopover(row, col, moreEl, reslicedAllSegs);
7083				}
7084				else if (typeof clickOption === 'string') { // a view name
7085					view.calendar.zoomTo(date, clickOption);
7086				}
7087			});
7088	},
7089
7090
7091	// Reveals the popover that displays all events within a cell
7092	showSegPopover: function(row, col, moreLink, segs) {
7093		var _this = this;
7094		var view = this.view;
7095		var moreWrap = moreLink.parent(); // the <div> wrapper around the <a>
7096		var topEl; // the element we want to match the top coordinate of
7097		var options;
7098
7099		if (this.rowCnt == 1) {
7100			topEl = view.el; // will cause the popover to cover any sort of header
7101		}
7102		else {
7103			topEl = this.rowEls.eq(row); // will align with top of row
7104		}
7105
7106		options = {
7107			className: 'fc-more-popover',
7108			content: this.renderSegPopoverContent(row, col, segs),
7109			parentEl: this.view.el, // attach to root of view. guarantees outside of scrollbars.
7110			top: topEl.offset().top,
7111			autoHide: true, // when the user clicks elsewhere, hide the popover
7112			viewportConstrain: view.opt('popoverViewportConstrain'),
7113			hide: function() {
7114				// kill everything when the popover is hidden
7115				// notify events to be removed
7116				if (_this.popoverSegs) {
7117					var seg;
7118					for (var i = 0; i < _this.popoverSegs.length; ++i) {
7119						seg = _this.popoverSegs[i];
7120						view.publiclyTrigger('eventDestroy', seg.event, seg.event, seg.el);
7121					}
7122				}
7123				_this.segPopover.removeElement();
7124				_this.segPopover = null;
7125				_this.popoverSegs = null;
7126			}
7127		};
7128
7129		// Determine horizontal coordinate.
7130		// We use the moreWrap instead of the <td> to avoid border confusion.
7131		if (this.isRTL) {
7132			options.right = moreWrap.offset().left + moreWrap.outerWidth() + 1; // +1 to be over cell border
7133		}
7134		else {
7135			options.left = moreWrap.offset().left - 1; // -1 to be over cell border
7136		}
7137
7138		this.segPopover = new Popover(options);
7139		this.segPopover.show();
7140
7141		// the popover doesn't live within the grid's container element, and thus won't get the event
7142		// delegated-handlers for free. attach event-related handlers to the popover.
7143		this.bindSegHandlersToEl(this.segPopover.el);
7144	},
7145
7146
7147	// Builds the inner DOM contents of the segment popover
7148	renderSegPopoverContent: function(row, col, segs) {
7149		var view = this.view;
7150		var isTheme = view.opt('theme');
7151		var title = this.getCellDate(row, col).format(view.opt('dayPopoverFormat'));
7152		var content = $(
7153			'<div class="fc-header ' + view.widgetHeaderClass + '">' +
7154				'<span class="fc-close ' +
7155					(isTheme ? 'ui-icon ui-icon-closethick' : 'fc-icon fc-icon-x') +
7156				'"></span>' +
7157				'<span class="fc-title">' +
7158					htmlEscape(title) +
7159				'</span>' +
7160				'<div class="fc-clear"/>' +
7161			'</div>' +
7162			'<div class="fc-body ' + view.widgetContentClass + '">' +
7163				'<div class="fc-event-container"></div>' +
7164			'</div>'
7165		);
7166		var segContainer = content.find('.fc-event-container');
7167		var i;
7168
7169		// render each seg's `el` and only return the visible segs
7170		segs = this.renderFgSegEls(segs, true); // disableResizing=true
7171		this.popoverSegs = segs;
7172
7173		for (i = 0; i < segs.length; i++) {
7174
7175			// because segments in the popover are not part of a grid coordinate system, provide a hint to any
7176			// grids that want to do drag-n-drop about which cell it came from
7177			this.hitsNeeded();
7178			segs[i].hit = this.getCellHit(row, col);
7179			this.hitsNotNeeded();
7180
7181			segContainer.append(segs[i].el);
7182		}
7183
7184		return content;
7185	},
7186
7187
7188	// Given the events within an array of segment objects, reslice them to be in a single day
7189	resliceDaySegs: function(segs, dayDate) {
7190
7191		// build an array of the original events
7192		var events = $.map(segs, function(seg) {
7193			return seg.event;
7194		});
7195
7196		var dayStart = dayDate.clone();
7197		var dayEnd = dayStart.clone().add(1, 'days');
7198		var dayRange = { start: dayStart, end: dayEnd };
7199
7200		// slice the events with a custom slicing function
7201		segs = this.eventsToSegs(
7202			events,
7203			function(range) {
7204				var seg = intersectRanges(range, dayRange); // undefind if no intersection
7205				return seg ? [ seg ] : []; // must return an array of segments
7206			}
7207		);
7208
7209		// force an order because eventsToSegs doesn't guarantee one
7210		this.sortEventSegs(segs);
7211
7212		return segs;
7213	},
7214
7215
7216	// Generates the text that should be inside a "more" link, given the number of events it represents
7217	getMoreLinkText: function(num) {
7218		var opt = this.view.opt('eventLimitText');
7219
7220		if (typeof opt === 'function') {
7221			return opt(num);
7222		}
7223		else {
7224			return '+' + num + ' ' + opt;
7225		}
7226	},
7227
7228
7229	// Returns segments within a given cell.
7230	// If `startLevel` is specified, returns only events including and below that level. Otherwise returns all segs.
7231	getCellSegs: function(row, col, startLevel) {
7232		var segMatrix = this.rowStructs[row].segMatrix;
7233		var level = startLevel || 0;
7234		var segs = [];
7235		var seg;
7236
7237		while (level < segMatrix.length) {
7238			seg = segMatrix[level][col];
7239			if (seg) {
7240				segs.push(seg);
7241			}
7242			level++;
7243		}
7244
7245		return segs;
7246	}
7247
7248});
7249
7250;;
7251
7252/* A component that renders one or more columns of vertical time slots
7253----------------------------------------------------------------------------------------------------------------------*/
7254// We mixin DayTable, even though there is only a single row of days
7255
7256var TimeGrid = FC.TimeGrid = Grid.extend(DayTableMixin, {
7257
7258	slotDuration: null, // duration of a "slot", a distinct time segment on given day, visualized by lines
7259	snapDuration: null, // granularity of time for dragging and selecting
7260	snapsPerSlot: null,
7261	minTime: null, // Duration object that denotes the first visible time of any given day
7262	maxTime: null, // Duration object that denotes the exclusive visible end time of any given day
7263	labelFormat: null, // formatting string for times running along vertical axis
7264	labelInterval: null, // duration of how often a label should be displayed for a slot
7265
7266	colEls: null, // cells elements in the day-row background
7267	slatContainerEl: null, // div that wraps all the slat rows
7268	slatEls: null, // elements running horizontally across all columns
7269	nowIndicatorEls: null,
7270
7271	colCoordCache: null,
7272	slatCoordCache: null,
7273
7274
7275	constructor: function() {
7276		Grid.apply(this, arguments); // call the super-constructor
7277
7278		this.processOptions();
7279	},
7280
7281
7282	// Renders the time grid into `this.el`, which should already be assigned.
7283	// Relies on the view's colCnt. In the future, this component should probably be self-sufficient.
7284	renderDates: function() {
7285		this.el.html(this.renderHtml());
7286		this.colEls = this.el.find('.fc-day');

7287		this.slatContainerEl = this.el.find('.fc-slats');
7288		this.slatEls = this.slatContainerEl.find('tr');
7289
7290		this.colCoordCache = new CoordCache({
7291			els: this.colEls,
7292			isHorizontal: true
7293		});
7294		this.slatCoordCache = new CoordCache({
7295			els: this.slatEls,
7296			isVertical: true
7297		});
7298
7299		this.renderContentSkeleton();
7300	},
7301
7302
7303	// Renders the basic HTML skeleton for the grid
7304	renderHtml: function() {
7305		return '' +
7306			'<div class="fc-bg">' +
7307				'<table>' +
7308					this.renderBgTrHtml(0) + // row=0
7309				'</table>' +
7310			'</div>' +
7311			'<div class="fc-slats">' +
7312				'<table>' +
7313					this.renderSlatRowHtml() +
7314				'</table>' +
7315			'</div>';
7316	},
7317
7318
7319	// Generates the HTML for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.
7320	renderSlatRowHtml: function() {
7321		var view = this.view;
7322		var isRTL = this.isRTL;
7323		var html = '';
7324		var slotTime = moment.duration(+this.minTime); // wish there was .clone() for durations
7325		var slotDate; // will be on the view's first day, but we only care about its time
7326		var isLabeled;
7327		var axisHtml;
7328
7329		// Calculate the time for each slot
7330		while (slotTime < this.maxTime) {
7331			slotDate = this.start.clone().time(slotTime);
7332			isLabeled = isInt(divideDurationByDuration(slotTime, this.labelInterval));
7333
7334			axisHtml =
7335				'<td class="fc-axis fc-time ' + view.widgetContentClass + '" ' + view.axisStyleAttr() + '>' +
7336					(isLabeled ?
7337						'<span>' + // for matchCellWidths
7338							htmlEscape(slotDate.format(this.labelFormat)) +
7339						'</span>' :
7340						''
7341						) +
7342				'</td>';
7343
7344			html +=
7345				'<tr data-time="' + slotDate.format('HH:mm:ss') + '"' +
7346					(isLabeled ? '' : ' class="fc-minor"') +
7347					'>' +
7348					(!isRTL ? axisHtml : '') +
7349					'<td class="' + view.widgetContentClass + '"/>' +
7350					(isRTL ? axisHtml : '') +
7351				"</tr>";
7352
7353			slotTime.add(this.slotDuration);
7354		}
7355
7356		return html;
7357	},
7358
7359
7360	/* Options
7361	------------------------------------------------------------------------------------------------------------------*/
7362
7363
7364	// Parses various options into properties of this object
7365	processOptions: function() {
7366		var view = this.view;
7367		var slotDuration = view.opt('slotDuration');
7368		var snapDuration = view.opt('snapDuration');
7369		var input;
7370
7371		slotDuration = moment.duration(slotDuration);
7372		snapDuration = snapDuration ? moment.duration(snapDuration) : slotDuration;
7373
7374		this.slotDuration = slotDuration;
7375		this.snapDuration = snapDuration;
7376		this.snapsPerSlot = slotDuration / snapDuration; // TODO: ensure an integer multiple?
7377
7378		this.minResizeDuration = snapDuration; // hack
7379
7380		this.minTime = moment.duration(view.opt('minTime'));
7381		this.maxTime = moment.duration(view.opt('maxTime'));
7382
7383		// might be an array value (for TimelineView).
7384		// if so, getting the most granular entry (the last one probably).
7385		input = view.opt('slotLabelFormat');
7386		if ($.isArray(input)) {
7387			input = input[input.length - 1];
7388		}
7389
7390		this.labelFormat =
7391			input ||
7392			view.opt('smallTimeFormat'); // the computed default
7393
7394		input = view.opt('slotLabelInterval');
7395		this.labelInterval = input ?
7396			moment.duration(input) :
7397			this.computeLabelInterval(slotDuration);
7398	},
7399
7400
7401	// Computes an automatic value for slotLabelInterval
7402	computeLabelInterval: function(slotDuration) {
7403		var i;
7404		var labelInterval;
7405		var slotsPerLabel;
7406
7407		// find the smallest stock label interval that results in more than one slots-per-label
7408		for (i = AGENDA_STOCK_SUB_DURATIONS.length - 1; i >= 0; i--) {
7409			labelInterval = moment.duration(AGENDA_STOCK_SUB_DURATIONS[i]);
7410			slotsPerLabel = divideDurationByDuration(labelInterval, slotDuration);
7411			if (isInt(slotsPerLabel) && slotsPerLabel > 1) {
7412				return labelInterval;
7413			}
7414		}
7415
7416		return moment.duration(slotDuration); // fall back. clone
7417	},
7418
7419
7420	// Computes a default event time formatting string if `timeFormat` is not explicitly defined
7421	computeEventTimeFormat: function() {
7422		return this.view.opt('noMeridiemTimeFormat'); // like "6:30" (no AM/PM)
7423	},
7424
7425
7426	// Computes a default `displayEventEnd` value if one is not expliclty defined
7427	computeDisplayEventEnd: function() {
7428		return true;
7429	},
7430
7431
7432	/* Hit System
7433	------------------------------------------------------------------------------------------------------------------*/
7434
7435
7436	prepareHits: function() {
7437		this.colCoordCache.build();

7438		this.slatCoordCache.build();
7439	},
7440
7441
7442	releaseHits: function() {
7443		this.colCoordCache.clear();
7444		// NOTE: don't clear slatCoordCache because we rely on it for computeTimeTop
7445	},
7446
7447
7448	queryHit: function(leftOffset, topOffset) {
7449		var snapsPerSlot = this.snapsPerSlot;
7450		var colCoordCache = this.colCoordCache;
7451		var slatCoordCache = this.slatCoordCache;
7452
7453		if (colCoordCache.isLeftInBounds(leftOffset) && slatCoordCache.isTopInBounds(topOffset)) {
7454			var colIndex = colCoordCache.getHorizontalIndex(leftOffset);
7455			var slatIndex = slatCoordCache.getVerticalIndex(topOffset);
7456
7457			if (colIndex != null && slatIndex != null) {
7458				var slatTop = slatCoordCache.getTopOffset(slatIndex);
7459				var slatHeight = slatCoordCache.getHeight(slatIndex);
7460				var partial = (topOffset - slatTop) / slatHeight; // floating point number between 0 and 1
7461				var localSnapIndex = Math.floor(partial * snapsPerSlot); // the snap # relative to start of slat
7462				var snapIndex = slatIndex * snapsPerSlot + localSnapIndex;
7463				var snapTop = slatTop + (localSnapIndex / snapsPerSlot) * slatHeight;
7464				var snapBottom = slatTop + ((localSnapIndex + 1) / snapsPerSlot) * slatHeight;
7465
7466				return {
7467					col: colIndex,
7468					snap: snapIndex,
7469					component: this, // needed unfortunately :(
7470					left: colCoordCache.getLeftOffset(colIndex),
7471					right: colCoordCache.getRightOffset(colIndex),
7472					top: snapTop,
7473					bottom: snapBottom
7474				};
7475			}
7476		}
7477	},
7478
7479
7480	getHitSpan: function(hit) {
7481		var start = this.getCellDate(0, hit.col); // row=0
7482		var time = this.computeSnapTime(hit.snap); // pass in the snap-index
7483		var end;
7484
7485		start.time(time);
7486		end = start.clone().add(this.snapDuration);
7487
7488		return { start: start, end: end };
7489	},
7490
7491
7492	getHitEl: function(hit) {
7493		return this.colEls.eq(hit.col);
7494	},
7495
7496
7497	/* Dates
7498	------------------------------------------------------------------------------------------------------------------*/
7499
7500
7501	rangeUpdated: function() {
7502		this.updateDayTable();
7503	},
7504
7505
7506	// Given a row number of the grid, representing a "snap", returns a time (Duration) from its start-of-day
7507	computeSnapTime: function(snapIndex) {
7508		return moment.duration(this.minTime + this.snapDuration * snapIndex);
7509	},
7510
7511
7512	// Slices up the given span (unzoned start/end with other misc data) into an array of segments
7513	spanToSegs: function(span) {
7514		var segs = this.sliceRangeByTimes(span);
7515		var i;
7516
7517		for (i = 0; i < segs.length; i++) {
7518			if (this.isRTL) {
7519				segs[i].col = this.daysPerRow - 1 - segs[i].dayIndex;
7520			}
7521			else {
7522				segs[i].col = segs[i].dayIndex;
7523			}
7524		}
7525
7526		return segs;
7527	},
7528
7529
7530	sliceRangeByTimes: function(range) {
7531		var segs = [];
7532		var seg;
7533		var dayIndex;
7534		var dayDate;
7535		var dayRange;
7536
7537		for (dayIndex = 0; dayIndex < this.daysPerRow; dayIndex++) {
7538			dayDate = this.dayDates[dayIndex].clone(); // TODO: better API for this?
7539			dayRange = {
7540				start: dayDate.clone().time(this.minTime),
7541				end: dayDate.clone().time(this.maxTime)
7542			};
7543			seg = intersectRanges(range, dayRange); // both will be ambig timezone
7544			if (seg) {
7545				seg.dayIndex = dayIndex;
7546				segs.push(seg);
7547			}
7548		}
7549
7550		return segs;
7551	},
7552
7553
7554	/* Coordinates
7555	------------------------------------------------------------------------------------------------------------------*/
7556
7557
7558	updateSize: function(isResize) { // NOT a standard Grid method
7559		this.slatCoordCache.build();
7560
7561		if (isResize) {
7562			this.updateSegVerticals(
7563				[].concat(this.fgSegs || [], this.bgSegs || [], this.businessSegs || [])
7564			);
7565		}
7566	},
7567
7568
7569	getTotalSlatHeight: function() {

7570		return this.slatContainerEl.outerHeight();
7571	},
7572
7573
7574	// Computes the top coordinate, relative to the bounds of the grid, of the given date.
7575	// A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight.
7576	computeDateTop: function(date, startOfDayDate) {
7577		return this.computeTimeTop(
7578			moment.duration(
7579				date - startOfDayDate.clone().stripTime()
7580			)
7581		);
7582	},
7583
7584
7585	// Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).
7586	computeTimeTop: function(time) {
7587		var len = this.slatEls.length;
7588		var slatCoverage = (time - this.minTime) / this.slotDuration; // floating-point value of # of slots covered
7589		var slatIndex;
7590		var slatRemainder;
7591
7592		// compute a floating-point number for how many slats should be progressed through.
7593		// from 0 to number of slats (inclusive)
7594		// constrained because minTime/maxTime might be customized.
7595		slatCoverage = Math.max(0, slatCoverage);
7596		slatCoverage = Math.min(len, slatCoverage);
7597
7598		// an integer index of the furthest whole slat
7599		// from 0 to number slats (*exclusive*, so len-1)
7600		slatIndex = Math.floor(slatCoverage);
7601		slatIndex = Math.min(slatIndex, len - 1);
7602
7603		// how much further through the slatIndex slat (from 0.0-1.0) must be covered in addition.
7604		// could be 1.0 if slatCoverage is covering *all* the slots
7605		slatRemainder = slatCoverage - slatIndex;
7606

7607		return this.slatCoordCache.getTopPosition(slatIndex) +
7608			this.slatCoordCache.getHeight(slatIndex) * slatRemainder;
7609	},
7610
7611
7612
7613	/* Event Drag Visualization
7614	------------------------------------------------------------------------------------------------------------------*/
7615
7616
7617	// Renders a visual indication of an event being dragged over the specified date(s).
7618	// A returned value of `true` signals that a mock "helper" event has been rendered.
7619	renderDrag: function(eventLocation, seg) {
7620
7621		if (seg) { // if there is event information for this drag, render a helper event
7622
7623			// returns mock event elements
7624			// signal that a helper has been rendered
7625			return this.renderEventLocationHelper(eventLocation, seg);
7626		}
7627		else {
7628			// otherwise, just render a highlight
7629			this.renderHighlight(this.eventToSpan(eventLocation));
7630		}
7631	},
7632
7633
7634	// Unrenders any visual indication of an event being dragged
7635	unrenderDrag: function() {
7636		this.unrenderHelper();
7637		this.unrenderHighlight();
7638	},
7639
7640
7641	/* Event Resize Visualization
7642	------------------------------------------------------------------------------------------------------------------*/
7643
7644
7645	// Renders a visual indication of an event being resized
7646	renderEventResize: function(eventLocation, seg) {
7647		return this.renderEventLocationHelper(eventLocation, seg); // returns mock event elements
7648	},
7649
7650
7651	// Unrenders any visual indication of an event being resized
7652	unrenderEventResize: function() {
7653		this.unrenderHelper();
7654	},
7655
7656
7657	/* Event Helper
7658	------------------------------------------------------------------------------------------------------------------*/
7659
7660
7661	// Renders a mock "helper" event. `sourceSeg` is the original segment object and might be null (an external drag)
7662	renderHelper: function(event, sourceSeg) {
7663		return this.renderHelperSegs(this.eventToSegs(event), sourceSeg); // returns mock event elements
7664	},
7665
7666
7667	// Unrenders any mock helper event
7668	unrenderHelper: function() {
7669		this.unrenderHelperSegs();
7670	},
7671
7672
7673	/* Business Hours
7674	------------------------------------------------------------------------------------------------------------------*/
7675
7676
7677	renderBusinessHours: function() {
7678		this.renderBusinessSegs(
7679			this.buildBusinessHourSegs()
7680		);
7681	},
7682
7683
7684	unrenderBusinessHours: function() {
7685		this.unrenderBusinessSegs();
7686	},
7687
7688
7689	/* Now Indicator
7690	------------------------------------------------------------------------------------------------------------------*/
7691
7692
7693	getNowIndicatorUnit: function() {
7694		return 'minute'; // will refresh on the minute
7695	},
7696
7697
7698	renderNowIndicator: function(date) {
7699		// seg system might be overkill, but it handles scenario where line needs to be rendered
7700		//  more than once because of columns with the same date (resources columns for example)
7701		var segs = this.spanToSegs({ start: date, end: date });
7702		var top = this.computeDateTop(date, date);
7703		var nodes = [];
7704		var i;
7705
7706		// render lines within the columns
7707		for (i = 0; i < segs.length; i++) {
7708			nodes.push($('<div class="fc-now-indicator fc-now-indicator-line"></div>')
7709				.css('top', top)
7710				.appendTo(this.colContainerEls.eq(segs[i].col))[0]);
7711		}
7712
7713		// render an arrow over the axis
7714		if (segs.length > 0) { // is the current time in view?
7715			nodes.push($('<div class="fc-now-indicator fc-now-indicator-arrow"></div>')
7716				.css('top', top)
7717				.appendTo(this.el.find('.fc-content-skeleton'))[0]);
7718		}
7719
7720		this.nowIndicatorEls = $(nodes);
7721	},
7722
7723
7724	unrenderNowIndicator: function() {
7725		if (this.nowIndicatorEls) {
7726			this.nowIndicatorEls.remove();
7727			this.nowIndicatorEls = null;
7728		}
7729	},
7730
7731
7732	/* Selection
7733	------------------------------------------------------------------------------------------------------------------*/
7734
7735
7736	// Renders a visual indication of a selection. Overrides the default, which was to simply render a highlight.
7737	renderSelection: function(span) {
7738		if (this.view.opt('selectHelper')) { // this setting signals that a mock helper event should be rendered
7739
7740			// normally acceps an eventLocation, span has a start/end, which is good enough
7741			this.renderEventLocationHelper(span);
7742		}
7743		else {
7744			this.renderHighlight(span);
7745		}
7746	},
7747
7748
7749	// Unrenders any visual indication of a selection
7750	unrenderSelection: function() {
7751		this.unrenderHelper();
7752		this.unrenderHighlight();
7753	},
7754
7755
7756	/* Highlight
7757	------------------------------------------------------------------------------------------------------------------*/
7758
7759
7760	renderHighlight: function(span) {
7761		this.renderHighlightSegs(this.spanToSegs(span));
7762	},
7763
7764
7765	unrenderHighlight: function() {
7766		this.unrenderHighlightSegs();
7767	}
7768
7769});
7770
7771;;
7772
7773/* Methods for rendering SEGMENTS, pieces of content that live on the view
7774 ( this file is no longer just for events )
7775----------------------------------------------------------------------------------------------------------------------*/
7776
7777TimeGrid.mixin({
7778
7779	colContainerEls: null, // containers for each column
7780
7781	// inner-containers for each column where different types of segs live
7782	fgContainerEls: null,
7783	bgContainerEls: null,
7784	helperContainerEls: null,
7785	highlightContainerEls: null,
7786	businessContainerEls: null,
7787
7788	// arrays of different types of displayed segments
7789	fgSegs: null,
7790	bgSegs: null,
7791	helperSegs: null,
7792	highlightSegs: null,

7793	businessSegs: null,
7794
7795
7796	// Renders the DOM that the view's content will live in
7797	renderContentSkeleton: function() {
7798		var cellHtml = '';
7799		var i;
7800		var skeletonEl;
7801
7802		for (i = 0; i < this.colCnt; i++) {
7803			cellHtml +=
7804				'<td>' +
7805					'<div class="fc-content-col">' +
7806						'<div class="fc-event-container fc-helper-container"></div>' +
7807						'<div class="fc-event-container"></div>' +
7808						'<div class="fc-highlight-container"></div>' +
7809						'<div class="fc-bgevent-container"></div>' +
7810						'<div class="fc-business-container"></div>' +
7811					'</div>' +
7812				'</td>';
7813		}
7814
7815		skeletonEl = $(
7816			'<div class="fc-content-skeleton">' +
7817				'<table>' +
7818					'<tr>' + cellHtml + '</tr>' +
7819				'</table>' +
7820			'</div>'
7821		);
7822
7823		this.colContainerEls = skeletonEl.find('.fc-content-col');
7824		this.helperContainerEls = skeletonEl.find('.fc-helper-container');
7825		this.fgContainerEls = skeletonEl.find('.fc-event-container:not(.fc-helper-container)');
7826		this.bgContainerEls = skeletonEl.find('.fc-bgevent-container');
7827		this.highlightContainerEls = skeletonEl.find('.fc-highlight-container');
7828		this.businessContainerEls = skeletonEl.find('.fc-business-container');
7829
7830		this.bookendCells(skeletonEl.find('tr')); // TODO: do this on string level
7831		this.el.append(skeletonEl);
7832	},
7833
7834
7835	/* Foreground Events
7836	------------------------------------------------------------------------------------------------------------------*/
7837
7838
7839	renderFgSegs: function(segs) {
7840		segs = this.renderFgSegsIntoContainers(segs, this.fgContainerEls);
7841		this.fgSegs = segs;
7842		return segs; // needed for Grid::renderEvents
7843	},
7844
7845
7846	unrenderFgSegs: function() {
7847		this.unrenderNamedSegs('fgSegs');
7848	},
7849
7850
7851	/* Foreground Helper Events
7852	------------------------------------------------------------------------------------------------------------------*/
7853
7854
7855	renderHelperSegs: function(segs, sourceSeg) {
7856		var helperEls = [];
7857		var i, seg;
7858		var sourceEl;
7859
7860		segs = this.renderFgSegsIntoContainers(segs, this.helperContainerEls);
7861
7862		// Try to make the segment that is in the same row as sourceSeg look the same
7863		for (i = 0; i < segs.length; i++) {
7864			seg = segs[i];
7865			if (sourceSeg && sourceSeg.col === seg.col) {
7866				sourceEl = sourceSeg.el;
7867				seg.el.css({
7868					left: sourceEl.css('left'),
7869					right: sourceEl.css('right'),
7870					'margin-left': sourceEl.css('margin-left'),
7871					'margin-right': sourceEl.css('margin-right')
7872				});
7873			}
7874			helperEls.push(seg.el[0]);
7875		}
7876
7877		this.helperSegs = segs;
7878
7879		return $(helperEls); // must return rendered helpers
7880	},
7881
7882
7883	unrenderHelperSegs: function() {
7884		this.unrenderNamedSegs('helperSegs');
7885	},
7886
7887
7888	/* Background Events
7889	------------------------------------------------------------------------------------------------------------------*/
7890
7891
7892	renderBgSegs: function(segs) {
7893		segs = this.renderFillSegEls('bgEvent', segs); // TODO: old fill system
7894		this.updateSegVerticals(segs);
7895		this.attachSegsByCol(this.groupSegsByCol(segs), this.bgContainerEls);
7896		this.bgSegs = segs;
7897		return segs; // needed for Grid::renderEvents
7898	},
7899
7900
7901	unrenderBgSegs: function() {
7902		this.unrenderNamedSegs('bgSegs');
7903	},
7904
7905
7906	/* Highlight
7907	------------------------------------------------------------------------------------------------------------------*/
7908
7909
7910	renderHighlightSegs: function(segs) {
7911		segs = this.renderFillSegEls('highlight', segs); // TODO: old fill system
7912		this.updateSegVerticals(segs);
7913		this.attachSegsByCol(this.groupSegsByCol(segs), this.highlightContainerEls);
7914		this.highlightSegs = segs;
7915	},
7916
7917
7918	unrenderHighlightSegs: function() {
7919		this.unrenderNamedSegs('highlightSegs');
7920	},
7921
7922
7923	/* Business Hours
7924	------------------------------------------------------------------------------------------------------------------*/
7925
7926
7927	renderBusinessSegs: function(segs) {
7928		segs = this.renderFillSegEls('businessHours', segs); // TODO: old fill system
7929		this.updateSegVerticals(segs);
7930		this.attachSegsByCol(this.groupSegsByCol(segs), this.businessContainerEls);
7931		this.businessSegs = segs;
7932	},
7933
7934
7935	unrenderBusinessSegs: function() {
7936		this.unrenderNamedSegs('businessSegs');
7937	},
7938
7939
7940	/* Seg Rendering Utils
7941	------------------------------------------------------------------------------------------------------------------*/
7942
7943
7944	// Given a flat array of segments, return an array of sub-arrays, grouped by each segment's col
7945	groupSegsByCol: function(segs) {
7946		var segsByCol = [];
7947		var i;
7948
7949		for (i = 0; i < this.colCnt; i++) {
7950			segsByCol.push([]);
7951		}
7952
7953		for (i = 0; i < segs.length; i++) {
7954			segsByCol[segs[i].col].push(segs[i]);
7955		}
7956
7957		return segsByCol;
7958	},
7959
7960
7961	// Given segments grouped by column, insert the segments' elements into a parallel array of container
7962	// elements, each living within a column.
7963	attachSegsByCol: function(segsByCol, containerEls) {
7964		var col;
7965		var segs;
7966		var i;
7967
7968		for (col = 0; col < this.colCnt; col++) { // iterate each column grouping
7969			segs = segsByCol[col];
7970
7971			for (i = 0; i < segs.length; i++) {
7972				containerEls.eq(col).append(segs[i].el);
7973			}
7974		}
7975	},
7976
7977
7978	// Given the name of a property of `this` object, assumed to be an array of segments,
7979	// loops through each segment and removes from DOM. Will null-out the property afterwards.
7980	unrenderNamedSegs: function(propName) {
7981		var segs = this[propName];
7982		var i;
7983
7984		if (segs) {
7985			for (i = 0; i < segs.length; i++) {
7986				segs[i].el.remove();
7987			}
7988			this[propName] = null;
7989		}
7990	},
7991
7992
7993
7994	/* Foreground Event Rendering Utils
7995	------------------------------------------------------------------------------------------------------------------*/
7996
7997
7998	// Given an array of foreground segments, render a DOM element for each, computes position,
7999	// and attaches to the column inner-container elements.
8000	renderFgSegsIntoContainers: function(segs, containerEls) {
8001		var segsByCol;
8002		var col;
8003
8004		segs = this.renderFgSegEls(segs); // will call fgSegHtml
8005		segsByCol = this.groupSegsByCol(segs);
8006
8007		for (col = 0; col < this.colCnt; col++) {
8008			this.updateFgSegCoords(segsByCol[col]);
8009		}
8010
8011		this.attachSegsByCol(segsByCol, containerEls);
8012
8013		return segs;
8014	},
8015
8016
8017	// Renders the HTML for a single event segment's default rendering
8018	fgSegHtml: function(seg, disableResizing) {
8019		var view = this.view;
8020		var event = seg.event;
8021		var isDraggable = view.isEventDraggable(event);
8022		var isResizableFromStart = !disableResizing && seg.isStart && view.isEventResizableFromStart(event);
8023		var isResizableFromEnd = !disableResizing && seg.isEnd && view.isEventResizableFromEnd(event);

8024		var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd);
8025		var skinCss = cssToStr(this.getSegSkinCss(seg));
8026		var timeText;
8027		var fullTimeText; // more verbose time text. for the print stylesheet
8028		var startTimeText; // just the start time text
8029
8030		classes.unshift('fc-time-grid-event', 'fc-v-event');
8031
8032		if (view.isMultiDayEvent(event)) { // if the event appears to span more than one day...
8033			// Don't display time text on segments that run entirely through a day.
8034			// That would appear as midnight-midnight and would look dumb.
8035			// Otherwise, display the time text for the *segment's* times (like 6pm-midnight or midnight-10am)
8036			if (seg.isStart || seg.isEnd) {
8037				timeText = this.getEventTimeText(seg);
8038				fullTimeText = this.getEventTimeText(seg, 'LT');
8039				startTimeText = this.getEventTimeText(seg, null, false); // displayEnd=false
8040			}
8041		} else {
8042			// Display the normal time text for the *event's* times
8043			timeText = this.getEventTimeText(event);
8044			fullTimeText = this.getEventTimeText(event, 'LT');
8045			startTimeText = this.getEventTimeText(event, null, false); // displayEnd=false
8046		}
8047
8048		return '<a class="' + classes.join(' ') + '"' +
8049			(event.url ?
8050				' href="' + htmlEscape(event.url) + '"' :
8051				''
8052				) +
8053			(skinCss ?
8054				' style="' + skinCss + '"' :
8055				''
8056				) +
8057			'>' +
8058				'<div class="fc-content">' +
8059					(timeText ?
8060						'<div class="fc-time"' +
8061						' data-start="' + htmlEscape(startTimeText) + '"' +
8062						' data-full="' + htmlEscape(fullTimeText) + '"' +
8063						'>' +
8064							'<span>' + htmlEscape(timeText) + '</span>' +
8065						'</div>' :
8066						''
8067						) +
8068					(event.title ?
8069						'<div class="fc-title">' +
8070							htmlEscape(event.title) +
8071						'</div>' :
8072						''
8073						) +
8074				'</div>' +
8075				'<div class="fc-bg"/>' +
8076				/* TODO: write CSS for this
8077				(isResizableFromStart ?
8078					'<div class="fc-resizer fc-start-resizer" />' :
8079					''
8080					) +
8081				*/
8082				(isResizableFromEnd ?
8083					'<div class="fc-resizer fc-end-resizer" />' :
8084					''
8085					) +
8086			'</a>';
8087	},
8088
8089
8090	/* Seg Position Utils
8091	------------------------------------------------------------------------------------------------------------------*/
8092
8093
8094	// Refreshes the CSS top/bottom coordinates for each segment element.
8095	// Works when called after initial render, after a window resize/zoom for example.
8096	updateSegVerticals: function(segs) {
8097		this.computeSegVerticals(segs);
8098		this.assignSegVerticals(segs);
8099	},
8100
8101
8102	// For each segment in an array, computes and assigns its top and bottom properties
8103	computeSegVerticals: function(segs) {
8104		var i, seg;
8105
8106		for (i = 0; i < segs.length; i++) {
8107			seg = segs[i];
8108			seg.top = this.computeDateTop(seg.start, seg.start);
8109			seg.bottom = this.computeDateTop(seg.end, seg.start);
8110		}
8111	},
8112
8113
8114	// Given segments that already have their top/bottom properties computed, applies those values to
8115	// the segments' elements.
8116	assignSegVerticals: function(segs) {
8117		var i, seg;
8118
8119		for (i = 0; i < segs.length; i++) {
8120			seg = segs[i];
8121			seg.el.css(this.generateSegVerticalCss(seg));
8122		}
8123	},
8124
8125
8126	// Generates an object with CSS properties for the top/bottom coordinates of a segment element
8127	generateSegVerticalCss: function(seg) {
8128		return {
8129			top: seg.top,
8130			bottom: -seg.bottom // flipped because needs to be space beyond bottom edge of event container
8131		};
8132	},
8133
8134
8135	/* Foreground Event Positioning Utils
8136	------------------------------------------------------------------------------------------------------------------*/
8137
8138
8139	// Given segments that are assumed to all live in the *same column*,
8140	// compute their verical/horizontal coordinates and assign to their elements.
8141	updateFgSegCoords: function(segs) {
8142		this.computeSegVerticals(segs); // horizontals relies on this
8143		this.computeFgSegHorizontals(segs); // compute horizontal coordinates, z-index's, and reorder the array
8144		this.assignSegVerticals(segs);
8145		this.assignFgSegHorizontals(segs);
8146	},
8147
8148
8149	// Given an array of segments that are all in the same column, sets the backwardCoord and forwardCoord on each.
8150	// NOTE: Also reorders the given array by date!
8151	computeFgSegHorizontals: function(segs) {
8152		var levels;
8153		var level0;
8154		var i;
8155
8156		this.sortEventSegs(segs); // order by certain criteria
8157		levels = buildSlotSegLevels(segs);
8158		computeForwardSlotSegs(levels);
8159
8160		if ((level0 = levels[0])) {
8161
8162			for (i = 0; i < level0.length; i++) {
8163				computeSlotSegPressures(level0[i]);
8164			}
8165
8166			for (i = 0; i < level0.length; i++) {
8167				this.computeFgSegForwardBack(level0[i], 0, 0);
8168			}
8169		}
8170	},
8171
8172
8173	// Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range
8174	// from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and
8175	// seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left.
8176	//
8177	// The segment might be part of a "series", which means consecutive segments with the same pressure
8178	// who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of
8179	// segments behind this one in the current series, and `seriesBackwardCoord` is the starting
8180	// coordinate of the first segment in the series.
8181	computeFgSegForwardBack: function(seg, seriesBackwardPressure, seriesBackwardCoord) {
8182		var forwardSegs = seg.forwardSegs;
8183		var i;
8184
8185		if (seg.forwardCoord === undefined) { // not already computed
8186
8187			if (!forwardSegs.length) {
8188
8189				// if there are no forward segments, this segment should butt up against the edge
8190				seg.forwardCoord = 1;
8191			}
8192			else {
8193
8194				// sort highest pressure first
8195				this.sortForwardSegs(forwardSegs);
8196
8197				// this segment's forwardCoord will be calculated from the backwardCoord of the
8198				// highest-pressure forward segment.
8199				this.computeFgSegForwardBack(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord);
8200				seg.forwardCoord = forwardSegs[0].backwardCoord;
8201			}
8202
8203			// calculate the backwardCoord from the forwardCoord. consider the series
8204			seg.backwardCoord = seg.forwardCoord -
8205				(seg.forwardCoord - seriesBackwardCoord) / // available width for series
8206				(seriesBackwardPressure + 1); // # of segments in the series
8207

8208			// use this segment's coordinates to computed the coordinates of the less-pressurized
8209			// forward segments
8210			for (i=0; i<forwardSegs.length; i++) {
8211				this.computeFgSegForwardBack(forwardSegs[i], 0, seg.forwardCoord);
8212			}
8213		}
8214	},
8215
8216
8217	sortForwardSegs: function(forwardSegs) {
8218		forwardSegs.sort(proxy(this, 'compareForwardSegs'));
8219	},
8220
8221
8222	// A cmp function for determining which forward segment to rely on more when computing coordinates.
8223	compareForwardSegs: function(seg1, seg2) {
8224		// put higher-pressure first
8225		return seg2.forwardPressure - seg1.forwardPressure ||
8226			// put segments that are closer to initial edge first (and favor ones with no coords yet)
8227			(seg1.backwardCoord || 0) - (seg2.backwardCoord || 0) ||
8228			// do normal sorting...
8229			this.compareEventSegs(seg1, seg2);
8230	},
8231
8232
8233	// Given foreground event segments that have already had their position coordinates computed,
8234	// assigns position-related CSS values to their elements.
8235	assignFgSegHorizontals: function(segs) {
8236		var i, seg;
8237
8238		for (i = 0; i < segs.length; i++) {
8239			seg = segs[i];
8240			seg.el.css(this.generateFgSegHorizontalCss(seg));
8241
8242			// if the height is short, add a className for alternate styling
8243			if (seg.bottom - seg.top < 30) {
8244				seg.el.addClass('fc-short');
8245			}
8246		}
8247	},
8248
8249
8250	// Generates an object with CSS properties/values that should be applied to an event segment element.
8251	// Contains important positioning-related properties that should be applied to any event element, customized or not.
8252	generateFgSegHorizontalCss: function(seg) {
8253		var shouldOverlap = this.view.opt('slotEventOverlap');
8254		var backwardCoord = seg.backwardCoord; // the left side if LTR. the right side if RTL. floating-point
8255		var forwardCoord = seg.forwardCoord; // the right side if LTR. the left side if RTL. floating-point
8256		var props = this.generateSegVerticalCss(seg); // get top/bottom first
8257		var left; // amount of space from left edge, a fraction of the total width
8258		var right; // amount of space from right edge, a fraction of the total width
8259
8260		if (shouldOverlap) {
8261			// double the width, but don't go beyond the maximum forward coordinate (1.0)
8262			forwardCoord = Math.min(1, backwardCoord + (forwardCoord - backwardCoord) * 2);
8263		}
8264
8265		if (this.isRTL) {
8266			left = 1 - forwardCoord;
8267			right = backwardCoord;
8268		}
8269		else {
8270			left = backwardCoord;
8271			right = 1 - forwardCoord;
8272		}
8273
8274		props.zIndex = seg.level + 1; // convert from 0-base to 1-based
8275		props.left = left * 100 + '%';
8276		props.right = right * 100 + '%';
8277
8278		if (shouldOverlap && seg.forwardPressure) {
8279			// add padding to the edge so that forward stacked events don't cover the resizer's icon
8280			props[this.isRTL ? 'marginLeft' : 'marginRight'] = 10 * 2; // 10 is a guesstimate of the icon's width
8281		}
8282
8283		return props;
8284	}
8285
8286});
8287
8288
8289// Builds an array of segments "levels". The first level will be the leftmost tier of segments if the calendar is
8290// left-to-right, or the rightmost if the calendar is right-to-left. Assumes the segments are already ordered by date.
8291function buildSlotSegLevels(segs) {
8292	var levels = [];
8293	var i, seg;
8294	var j;
8295
8296	for (i=0; i<segs.length; i++) {
8297		seg = segs[i];
8298
8299		// go through all the levels and stop on the first level where there are no collisions
8300		for (j=0; j<levels.length; j++) {
8301			if (!computeSlotSegCollisions(seg, levels[j]).length) {
8302				break;
8303			}
8304		}
8305
8306		seg.level = j;
8307
8308		(levels[j] || (levels[j] = [])).push(seg);
8309	}
8310
8311	return levels;
8312}
8313
8314
8315// For every segment, figure out the other segments that are in subsequent
8316// levels that also occupy the same vertical space. Accumulate in seg.forwardSegs
8317function computeForwardSlotSegs(levels) {
8318	var i, level;
8319	var j, seg;
8320	var k;
8321
8322	for (i=0; i<levels.length; i++) {
8323		level = levels[i];
8324
8325		for (j=0; j<level.length; j++) {
8326			seg = level[j];
8327
8328			seg.forwardSegs = [];
8329			for (k=i+1; k<levels.length; k++) {
8330				computeSlotSegCollisions(seg, levels[k], seg.forwardSegs);
8331			}
8332		}
8333	}
8334}
8335
8336
8337// Figure out which path forward (via seg.forwardSegs) results in the longest path until
8338// the furthest edge is reached. The number of segments in this path will be seg.forwardPressure
8339function computeSlotSegPressures(seg) {
8340	var forwardSegs = seg.forwardSegs;
8341	var forwardPressure = 0;
8342	var i, forwardSeg;
8343
8344	if (seg.forwardPressure === undefined) { // not already computed
8345
8346		for (i=0; i<forwardSegs.length; i++) {
8347			forwardSeg = forwardSegs[i];
8348
8349			// figure out the child's maximum forward path
8350			computeSlotSegPressures(forwardSeg);
8351
8352			// either use the existing maximum, or use the child's forward pressure
8353			// plus one (for the forwardSeg itself)
8354			forwardPressure = Math.max(
8355				forwardPressure,
8356				1 + forwardSeg.forwardPressure
8357			);
8358		}
8359
8360		seg.forwardPressure = forwardPressure;
8361	}
8362}
8363
8364
8365// Find all the segments in `otherSegs` that vertically collide with `seg`.
8366// Append into an optionally-supplied `results` array and return.
8367function computeSlotSegCollisions(seg, otherSegs, results) {
8368	results = results || [];
8369
8370	for (var i=0; i<otherSegs.length; i++) {
8371		if (isSlotSegCollision(seg, otherSegs[i])) {
8372			results.push(otherSegs[i]);
8373		}
8374	}
8375
8376	return results;
8377}
8378
8379
8380// Do these segments occupy the same vertical space?
8381function isSlotSegCollision(seg1, seg2) {
8382	return seg1.bottom > seg2.top && seg1.top < seg2.bottom;
8383}
8384
8385;;
8386
8387/* An abstract class from which other views inherit from
8388----------------------------------------------------------------------------------------------------------------------*/
8389
8390var View = FC.View = Class.extend(EmitterMixin, ListenerMixin, {
8391
8392	type: null, // subclass' view name (string)
8393	name: null, // deprecated. use `type` instead
8394	title: null, // the text that will be displayed in the header's title
8395
8396	calendar: null, // owner Calendar object
8397	options: null, // hash containing all options. already merged with view-specific-options
8398	el: null, // the view's containing element. set by Calendar
8399
8400	isDateSet: false,
8401	isDateRendered: false,
8402	dateRenderQueue: null,
8403
8404	isEventsBound: false,
8405	isEventsSet: false,
8406	isEventsRendered: false,
8407	eventRenderQueue: null,
8408
8409	// range the view is actually displaying (moments)
8410	start: null,
8411	end: null, // exclusive
8412
8413	// range the view is formally responsible for (moments)
8414	// may be different from start/end. for example, a month view might have 1st-31st, excluding padded dates
8415	intervalStart: null,
8416	intervalEnd: null, // exclusive
8417	intervalDuration: null,
8418	intervalUnit: null, // name of largest unit being displayed, like "month" or "week"
8419
8420	isRTL: false,
8421	isSelected: false, // boolean whether a range of time is user-selected or not
8422	selectedEvent: null,
8423
8424	eventOrderSpecs: null, // criteria for ordering events when they have same date/time
8425
8426	// classNames styled by jqui themes
8427	widgetHeaderClass: null,
8428	widgetContentClass: null,
8429	highlightStateClass: null,
8430
8431	// for date utils, computed from options
8432	nextDayThreshold: null,

8433	isHiddenDayHash: null,
8434
8435	// now indicator
8436	isNowIndicatorRendered: null,
8437	initialNowDate: null, // result first getNow call
8438	initialNowQueriedMs: null, // ms time the getNow was called
8439	nowIndicatorTimeoutID: null, // for refresh timing of now indicator
8440	nowIndicatorIntervalID: null, // "
8441
8442
8443	constructor: function(calendar, type, options, intervalDuration) {
8444
8445		this.calendar = calendar;
8446		this.type = this.name = type; // .name is deprecated
8447		this.options = options;
8448		this.intervalDuration = intervalDuration || moment.duration(1, 'day');
8449
8450		this.nextDayThreshold = moment.duration(this.opt('nextDayThreshold'));
8451		this.initThemingProps();
8452		this.initHiddenDays();
8453		this.isRTL = this.opt('isRTL');
8454
8455		this.eventOrderSpecs = parseFieldSpecs(this.opt('eventOrder'));
8456
8457		this.dateRenderQueue = new TaskQueue();
8458		this.eventRenderQueue = new TaskQueue(this.opt('eventRenderWait'));
8459
8460		this.initialize();
8461	},
8462
8463
8464	// A good place for subclasses to initialize member variables
8465	initialize: function() {
8466		// subclasses can implement
8467	},
8468
8469
8470	// Retrieves an option with the given name
8471	opt: function(name) {
8472		return this.options[name];
8473	},
8474
8475
8476	// Triggers handlers that are view-related. Modifies args before passing to calendar.
8477	publiclyTrigger: function(name, thisObj) { // arguments beyond thisObj are passed along
8478		var calendar = this.calendar;
8479
8480		return calendar.publiclyTrigger.apply(
8481			calendar,
8482			[name, thisObj || this].concat(
8483				Array.prototype.slice.call(arguments, 2), // arguments beyond thisObj
8484				[ this ] // always make the last argument a reference to the view. TODO: deprecate
8485			)
8486		);
8487	},
8488
8489
8490	// Returns a proxy of the given promise that will be rejected if the given event fires
8491	// before the promise resolves.
8492	rejectOn: function(eventName, promise) {
8493		var _this = this;
8494
8495		return new Promise(function(resolve, reject) {
8496			_this.one(eventName, reject);
8497
8498			function cleanup() {
8499				_this.off(eventName, reject);
8500			}
8501
8502			promise.then(function(res) { // success
8503				cleanup();
8504				resolve(res);
8505			}, function() { // failure
8506				cleanup();
8507				reject();
8508			});
8509		});
8510	},
8511
8512
8513	/* Date Computation
8514	------------------------------------------------------------------------------------------------------------------*/
8515
8516
8517	// Updates all internal dates for displaying the given unzoned range.
8518	setRange: function(range) {
8519		$.extend(this, range); // assigns every property to this object's member variables
8520		this.updateTitle();
8521	},
8522
8523
8524	// Given a single current unzoned date, produce information about what range to display.
8525	// Subclasses can override. Must return all properties.
8526	computeRange: function(date) {
8527		var intervalUnit = computeIntervalUnit(this.intervalDuration);
8528		var intervalStart = date.clone().startOf(intervalUnit);
8529		var intervalEnd = intervalStart.clone().add(this.intervalDuration);
8530		var start, end;
8531
8532		// normalize the range's time-ambiguity
8533		if (/year|month|week|day/.test(intervalUnit)) { // whole-days?
8534			intervalStart.stripTime();
8535			intervalEnd.stripTime();
8536		}
8537		else { // needs to have a time?
8538			if (!intervalStart.hasTime()) {
8539				intervalStart = this.calendar.time(0); // give 00:00 time
8540			}
8541			if (!intervalEnd.hasTime()) {
8542				intervalEnd = this.calendar.time(0); // give 00:00 time
8543			}
8544		}
8545
8546		start = intervalStart.clone();
8547		start = this.skipHiddenDays(start);
8548		end = intervalEnd.clone();
8549		end = this.skipHiddenDays(end, -1, true); // exclusively move backwards
8550
8551		return {
8552			intervalUnit: intervalUnit,
8553			intervalStart: intervalStart,
8554			intervalEnd: intervalEnd,
8555			start: start,
8556			end: end
8557		};
8558	},
8559
8560
8561	// Computes the new date when the user hits the prev button, given the current date
8562	computePrevDate: function(date) {
8563		return this.massageCurrentDate(
8564			date.clone().startOf(this.intervalUnit).subtract(this.intervalDuration), -1
8565		);
8566	},
8567
8568
8569	// Computes the new date when the user hits the next button, given the current date
8570	computeNextDate: function(date) {
8571		return this.massageCurrentDate(
8572			date.clone().startOf(this.intervalUnit).add(this.intervalDuration)
8573		);
8574	},
8575
8576
8577	// Given an arbitrarily calculated current date of the calendar, returns a date that is ensured to be completely
8578	// visible. `direction` is optional and indicates which direction the current date was being
8579	// incremented or decremented (1 or -1).
8580	massageCurrentDate: function(date, direction) {
8581		if (this.intervalDuration.as('days') <= 1) { // if the view displays a 

8581single day or smaller
8582			if (this.isHiddenDay(date)) {
8583				date = this.skipHiddenDays(date, direction);
8584				date.startOf('day');
8585			}
8586		}
8587
8588		return date;
8589	},
8590
8591
8592	/* Title and Date Formatting
8593	------------------------------------------------------------------------------------------------------------------*/
8594
8595
8596	// Sets the view's title property to the most updated computed value
8597	updateTitle: function() {
8598		this.title = this.computeTitle();
8599		this.calendar.setToolbarsTitle(this.title);
8600	},
8601
8602
8603	// Computes what the title at the top of the calendar should be for this view
8604	computeTitle: function() {
8605		var start, end;
8606
8607		// for views that span a large unit of time, show the proper interval, ignoring stray days before and after
8608		if (this.intervalUnit === 'year' || this.intervalUnit === 'month') {
8609			start = this.intervalStart;
8610			end = this.intervalEnd;
8611		}
8612		else { // for day units or smaller, use the actual day range
8613			start = this.start;
8614			end = this.end;
8615		}
8616
8617		return this.formatRange(
8618			{
8619				// in case intervalStart/End has a time, make sure timezone is correct
8620				start: this.calendar.applyTimezone(start),
8621				end: this.calendar.applyTimezone(end)
8622			},
8623			this.opt('titleFormat') || this.computeTitleFormat(),
8624			this.opt('titleRangeSeparator')
8625		);
8626	},
8627
8628
8629	// Generates the format string that should be used to generate the title for the current date range.
8630	// Attempts to compute the most appropriate format if not explicitly specified with `titleFormat`.
8631	computeTitleFormat: function() {
8632		if (this.intervalUnit == 'year') {
8633			return 'YYYY';
8634		}
8635		else if (this.intervalUnit == 'month') {
8636			return this.opt('monthYearFormat'); // like "September 2014"
8637		}
8638		else if (this.intervalDuration.as('days') > 1) {
8639			return 'll'; // multi-day range. shorter, like "Sep 9 - 10 2014"
8640		}
8641		else {
8642			return 'LL'; // one day. longer, like "September 9 2014"
8643		}
8644	},
8645
8646
8647	// Utility for formatting a range. Accepts a range object, formatting string, and optional separator.
8648	// Displays all-day ranges naturally, with an inclusive end. Takes the current isRTL into account.
8649	// The timezones of the dates within `range` will be respected.
8650	formatRange: function(range, formatStr, separator) {
8651		var end = range.end;
8652
8653		if (!end.hasTime()) { // all-day?
8654			end = end.clone().subtract(1); // convert to inclusive. last ms of previous day
8655		}
8656
8657		return formatRange(range.start, end, formatStr, separator, this.opt('isRTL'));
8658	},
8659
8660
8661	getAllDayHtml: function() {
8662		return this.opt('allDayHtml') || htmlEscape(this.opt('allDayText'));
8663	},
8664
8665
8666	/* Navigation
8667	------------------------------------------------------------------------------------------------------------------*/
8668
8669
8670	// Generates HTML for an anchor to another view into the calendar.
8671	// Will either generate an <a> tag or a non-clickable <span> tag, depending on enabled settings.
8672	// `gotoOptions` can either be a moment input, or an object with the form:
8673	// { date, type, forceOff }
8674	// `type` is a view-type like "day" or "week". default value is "day".
8675	// `attrs` and `innerHtml` are use to generate the rest of the HTML tag.
8676	buildGotoAnchorHtml: function(gotoOptions, attrs, innerHtml) {
8677		var date, type, forceOff;
8678		var finalOptions;
8679
8680		if ($.isPlainObject(gotoOptions)) {
8681			date = gotoOptions.date;
8682			type = gotoOptions.type;
8683			forceOff = gotoOptions.forceOff;
8684		}
8685		else {
8686			date = gotoOptions; // a single moment input
8687		}
8688		date = FC.moment(date); // if a string, parse it
8689
8690		finalOptions = { // for serialization into the link
8691			date: date.format('YYYY-MM-DD'),
8692			type: type || 'day'
8693		};
8694
8695		if (typeof attrs === 'string') {
8696			innerHtml = attrs;
8697			attrs = null;
8698		}
8699
8700		attrs = attrs ? ' ' + attrsToStr(attrs) : ''; // will have a leading space
8701		innerHtml = innerHtml || '';
8702
8703		if (!forceOff && this.opt('navLinks')) {
8704			return '<a' + attrs +
8705				' data-goto="' + htmlEscape(JSON.stringify(finalOptions)) + '">' +
8706				innerHtml +
8707				'</a>';
8708		}
8709		else {
8710			return '<span' + attrs + '>' +
8711				innerHtml +
8712				'</span>';
8713		}
8714	},
8715
8716
8717	// Rendering Non-date-related Content
8718	// -----------------------------------------------------------------------------------------------------------------
8719
8720
8721	// Sets the container element that the view should render inside of, does global DOM-related initializations,
8722	// and renders all the non-date-related content inside.
8723	setElement: function(el) {
8724		this.el = el;
8725		this.bindGlobalHandlers();
8726		this.renderSkeleton();
8727	},
8728
8729
8730	// Removes the view's container element from the DOM, clearing any content beforehand.
8731	// Undoes any other DOM-related attachments.
8732	removeElement: function() {
8733		this.unsetDate();
8734		this.unrenderSkeleton();
8735
8736		this.unbindGlobalHandlers();
8737
8738		this.el.remove();
8739		// NOTE: don't null-out this.el in case the View was destroyed within an API callback.
8740		// We don't null-out the View's other jQuery element references upon destroy,
8741		//  so we shouldn't kill this.el either.
8742	},
8743
8744
8745	// Renders the basic structure of the view before any content is rendered

8746	renderSkeleton: function() {
8747		// subclasses should implement
8748	},
8749
8750
8751	// Unrenders the basic structure of the view
8752	unrenderSkeleton: function() {
8753		// subclasses should implement
8754	},
8755
8756
8757	// Date Setting/Unsetting
8758	// -----------------------------------------------------------------------------------------------------------------
8759
8760
8761	setDate: function(date) {
8762		var isReset = this.isDateSet;
8763
8764		this.isDateSet = true;
8765		this.handleDate(date, isReset);
8766		this.trigger(isReset ? 'dateReset' : 'dateSet', date);
8767	},
8768
8769
8770	unsetDate: function() {
8771		if (this.isDateSet) {
8772			this.isDateSet = false;
8773			this.handleDateUnset();
8774			this.trigger('dateUnset');
8775		}
8776	},
8777
8778
8779	// Date Handling
8780	// -----------------------------------------------------------------------------------------------------------------
8781
8782
8783	handleDate: function(date, isReset) {
8784		var _this = this;
8785
8786		this.unbindEvents(); // will do nothing if not already bound
8787		this.requestDateRender(date).then(function() {
8788			// wish we could start earlier, but setRange/computeRange needs to execute first
8789			_this.bindEvents(); // will request events
8790		});
8791	},
8792
8793
8794	handleDateUnset: function() {
8795		this.unbindEvents();
8796		this.requestDateUnrender();
8797	},
8798
8799
8800	// Date Render Queuing
8801	// -----------------------------------------------------------------------------------------------------------------
8802
8803
8804	// if date not specified, uses current
8805	requestDateRender: function(date) {
8806		var _this = this;
8807
8808		return this.dateRenderQueue.add(function() {
8809			return _this.executeDateRender(date);
8810		});
8811	},
8812
8813
8814	requestDateUnrender: function() {
8815		var _this = this;
8816
8817		return this.dateRenderQueue.add(function() {
8818			return _this.executeDateUnrender();
8819		});
8820	},
8821
8822
8823	// Date High-level Rendering
8824	// -----------------------------------------------------------------------------------------------------------------
8825
8826
8827	// if date not specified, uses current
8828	executeDateRender: function(date) {
8829		var _this = this;
8830
8831		// if rendering a new date, reset scroll to initial state (scrollTime)
8832		if (date) {
8833			this.captureInitialScroll();
8834		}
8835		else {
8836			this.captureScroll(); // a rerender of the current date
8837		}
8838
8839		this.freezeHeight();
8840
8841		return this.executeDateUnrender().then(function() {
8842
8843			if (date) {
8844				_this.setRange(_this.computeRange(date));
8845			}
8846
8847			if (_this.render) {
8848				_this.render(); // TODO: deprecate
8849			}
8850
8851			_this.renderDates();
8852			_this.updateSize();
8853			_this.renderBusinessHours(); // might need coordinates, so should go after updateSize()
8854			_this.startNowIndicator();
8855
8856			_this.thawHeight();
8857			_this.releaseScroll();
8858
8859			_this.isDateRendered = true;
8860			_this.onDateRender();
8861			_this.trigger('dateRender');
8862		});
8863	},
8864
8865
8866	executeDateUnrender: function() {
8867		var _this = this;
8868
8869		if (_this.isDateRendered) {
8870			return this.requestEventsUnrender().then(function() {
8871
8872				_this.unselect();
8873				_this.stopNowIndicator();
8874				_this.triggerUnrender();
8875				_this.unrenderBusinessHours();
8876				_this.unrenderDates();
8877
8878				if (_this.destroy) {
8879					_this.destroy(); // TODO: deprecate
8880				}
8881
8882				_this.isDateRendered = false;
8883				_this.trigger('dateUnrender');
8884			});
8885		}
8886		else {
8887			return Promise.resolve();
8888		}
8889	},
8890
8891
8892	// Date Rendering Triggers
8893	// -----------------------------------------------------------------------------------------------------------------
8894
8895
8896	onDateRender: function() {
8897		this.triggerRender();
8898	},
8899
8900
8901	// Date Low-level Rendering
8902	// -----------------------------------------------------------------------------------------------------------------
8903
8904
8905	// date-cell content only
8906	renderDates: function() {
8907		// subclasses should implement
8908	},
8909
8910
8911	// date-cell content only
8912	unrenderDates: function() {
8913		// subclasses should override
8914	},
8915
8916
8917	// Misc view rendering utils
8918	// -------------------------
8919
8920
8921	// Signals that the view's content has been rendered
8922	triggerRender: function() {
8923		this.publiclyTrigger('viewRender', this, this, this.el);
8924	},
8925
8926
8927	// Signals that the view's content is about to be unrendered
8928	triggerUnrender: function() {
8929		this.publiclyTrigger('viewDestroy', this, this, this.el);
8930	},
8931
8932
8933	// Binds DOM handlers to elements that reside outside the view container, such as the document
8934	bindGlobalHandlers: function() {
8935		this.listenTo(GlobalEmitter.get(), {
8936			touchstart: this.processUnselect,
8937			mousedown: this.handleDocumentMousedown
8938		});
8939	},
8940
8941
8942	// Unbinds DOM handlers from elements that reside outside the view container
8943	unbindGlobalHandlers: function() {
8944		this.stopListeningTo(GlobalEmitter.get());
8945	},
8946
8947
8948	// Initializes internal variables related to theming
8949	initThemingProps: function() {
8950		var tm = this.opt('theme') ? 'ui' : 'fc';
8951
8952		this.widgetHeaderClass = tm + '-widget-header';
8953		this.widgetContentClass = tm + '-widget-content';
8954		this.highlightStateClass = tm + '-state-highlight';

8955	},
8956
8957
8958	/* Business Hours
8959	------------------------------------------------------------------------------------------------------------------*/
8960
8961
8962	// Renders business-hours onto the view. Assumes updateSize has already been called.
8963	renderBusinessHours: function() {
8964		// subclasses should implement
8965	},
8966
8967
8968	// Unrenders previously-rendered business-hours
8969	unrenderBusinessHours: function() {
8970		// subclasses should implement
8971	},
8972
8973
8974	/* Now Indicator
8975	------------------------------------------------------------------------------------------------------------------*/
8976
8977
8978	// Immediately render the current time indicator and begins re-rendering it at an interval,
8979	// which is defined by this.getNowIndicatorUnit().
8980	// TODO: somehow do this for the current whole day's background too
8981	startNowIndicator: function() {
8982		var _this = this;
8983		var unit;
8984		var update;
8985		var delay; // ms wait value
8986
8987		if (this.opt('nowIndicator')) {
8988			unit = this.getNowIndicatorUnit();
8989			if (unit) {
8990				update = proxy(this, 'updateNowIndicator'); // bind to `this`
8991
8992				this.initialNowDate = this.calendar.getNow();
8993				this.initialNowQueriedMs = +new Date();
8994				this.renderNowIndicator(this.initialNowDate);
8995				this.isNowIndicatorRendered = true;
8996
8997				// wait until the beginning of the next interval
8998				delay = this.initialNowDate.clone().startOf(unit).add(1, unit) - this.initialNowDate;
8999				this.nowIndicatorTimeoutID = setTimeout(function() {
9000					_this.nowIndicatorTimeoutID = null;
9001					update();

9002					delay = +moment.duration(1, unit);
9003					delay = Math.max(100, delay); // prevent too frequent
9004					_this.nowIndicatorIntervalID = setInterval(update, delay); // update every interval
9005				}, delay);
9006			}
9007		}
9008	},
9009
9010
9011	// rerenders the now indicator, computing the new current time from the amount of time that has passed
9012	// since the initial getNow call.
9013	updateNowIndicator: function() {
9014		if (this.isNowIndicatorRendered) {
9015			this.unrenderNowIndicator();
9016			this.renderNowIndicator(
9017				this.initialNowDate.clone().add(new Date() - this.initialNowQueriedMs) // add ms
9018			);
9019		}
9020	},
9021
9022
9023	// Immediately unrenders the view's current time indicator and stops any re-rendering timers.
9024	// Won't cause side effects if indicator isn't rendered.
9025	stopNowIndicator: function() {
9026		if (this.isNowIndicatorRendered) {
9027
9028			if (this.nowIndicatorTimeoutID) {
9029				clearTimeout(this.nowIndicatorTimeoutID);
9030				this.nowIndicatorTimeoutID = null;
9031			}
9032			if (this.nowIndicatorIntervalID) {
9033				clearTimeout(this.nowIndicatorIntervalID);
9034				this.nowIndicatorIntervalID = null;
9035			}
9036
9037			this.unrenderNowIndicator();
9038			this.isNowIndicatorRendered = false;
9039		}
9040	},
9041
9042
9043	// Returns a string unit, like 'second' or 'minute' that defined how often the current time indicator
9044	// should be refreshed. If something falsy is returned, no time indicator is rendered at all.
9045	getNowIndicatorUnit: function() {
9046		// subclasses should implement
9047	},
9048
9049
9050	// Renders a current time indicator at the given datetime
9051	renderNowIndicator: function(date) {
9052		// subclasses should implement
9053	},
9054
9055
9056	// Undoes the rendering actions from renderNowIndicator
9057	unrenderNowIndicator: function() {
9058		// subclasses should implement
9059	},
9060
9061
9062	/* Dimensions
9063	------------------------------------------------------------------------------------------------------------------*/
9064
9065
9066	// Refreshes anything dependant upon sizing of the container element of the grid
9067	updateSize: function(isResize) {
9068
9069		if (isResize) {
9070			this.captureScroll();
9071		}
9072
9073		this.updateHeight(isResize);
9074		this.updateWidth(isResize);
9075		this.updateNowIndicator();
9076
9077		if (isResize) {
9078			this.releaseScroll();
9079		}
9080	},
9081
9082
9083	// Refreshes the horizontal dimensions of the calendar
9084	updateWidth: function(isResize) {
9085		// subclasses should implement
9086	},
9087
9088
9089	// Refreshes the vertical dimensions of the calendar
9090	updateHeight: function(isResize) {
9091		var calendar = this.calendar; // we poll the calendar for height information
9092
9093		this.setHeight(
9094			calendar.getSuggestedViewHeight(),
9095			calendar.isHeightAuto()
9096		);
9097	},
9098
9099
9100	// Updates the vertical dimensions of the calendar to the specified height.
9101	// if `isAuto` is set to true, height becomes merely a suggestion and the view should use its "natural" height.
9102	setHeight: function(height, isAuto) {
9103		// subclasses should implement
9104	},
9105
9106
9107	/* Scroller
9108	------------------------------------------------------------------------------------------------------------------*/
9109
9110
9111	capturedScroll: null,
9112	capturedScrollDepth: 0,
9113
9114
9115	captureScroll: function() {
9116		if (!(this.capturedScrollDepth++)) {
9117			this.capturedScroll = this.isDateRendered ? this.queryScroll() : {}; // require a render first
9118			return true; // root?
9119		}
9120		return false;
9121	},
9122
9123
9124	captureInitialScroll: function(forcedScroll) {
9125		if (this.captureScroll()) { // root?
9126			this.capturedScroll.isInitial = true;
9127
9128			if (forcedScroll) {
9129				$.extend(this.capturedScroll, forcedScroll);
9130			}
9131			else {
9132				this.capturedScroll.isComputed = true;
9133			}
9134		}
9135	},
9136
9137
9138	releaseScroll: function() {
9139		var scroll = this.capturedScroll;
9140		var isRoot = this.discardScroll();
9141
9142		if (scroll.isComputed) {
9143			if (isRoot) {
9144				// only compute initial scroll if it will actually be used (is the root capture)
9145				$.extend(scroll, this.computeInitialScroll());
9146			}
9147			else {
9148				scroll = null; // scroll couldn't be computed. don't apply it to the DOM
9149			}
9150		}
9151
9152		if (scroll) {
9153			// we act immediately on a releaseScroll operation, as opposed to captureScroll.
9154			// if capture/release wraps a render operation that screws up the scroll,
9155			// we still want to restore it a good state after, regardless of depth.
9156
9157			if (scroll.isInitial) {
9158				this.hardSetScroll(scroll); // outsmart how browsers set scroll on initial DOM
9159			}
9160			else {
9161				this.setScroll(scroll);
9162			}
9163		}
9164	},
9165
9166
9167	discardScroll: function() {
9168		if (!(--this.capturedScrollDepth)) {
9169			this.capturedScroll = null;
9170			return true; // root?
9171		}
9172		return false;

9173	},
9174
9175
9176	computeInitialScroll: function() {
9177		return {};
9178	},
9179
9180
9181	queryScroll: function() {
9182		return {};
9183	},
9184
9185
9186	hardSetScroll: function(scroll) {
9187		var _this = this;
9188		var exec = function() { _this.setScroll(scroll); };
9189		exec();
9190		setTimeout(exec, 0); // to surely clear the browser's initial scroll for the DOM
9191	},
9192
9193
9194	setScroll: function(scroll) {
9195	},
9196
9197
9198	/* Height Freezing
9199	------------------------------------------------------------------------------------------------------------------*/
9200
9201
9202	freezeHeight: function() {
9203		this.calendar.freezeContentHeight();
9204	},
9205
9206
9207	thawHeight: function() {
9208		this.calendar.thawContentHeight();
9209	},
9210
9211
9212	// Event Binding/Unbinding
9213	// -----------------------------------------------------------------------------------------------------------------
9214
9215
9216	bindEvents: function() {
9217		var _this = this;
9218
9219		if (!this.isEventsBound) {
9220			this.isEventsBound = true;
9221			this.rejectOn('eventsUnbind', this.requestEvents()).then(function(events) { // TODO: test rejection
9222				_this.listenTo(_this.calendar, 'eventsReset', _this.setEvents);
9223				_this.setEvents(events);
9224			});
9225		}
9226	},
9227
9228
9229	unbindEvents: function() {
9230		if (this.isEventsBound) {
9231			this.isEventsBound = false;
9232			this.stopListeningTo(this.calendar, 'eventsReset');
9233			this.unsetEvents();
9234			this.trigger('eventsUnbind');
9235		}
9236	},
9237
9238
9239	// Event Setting/Unsetting
9240	// -----------------------------------------------------------------------------------------------------------------
9241
9242
9243	setEvents: function(events) {
9244		var isReset = this.isEventSet;
9245
9246		this.isEventsSet = true;
9247		this.handleEvents(events, isReset);
9248		this.trigger(isReset ? 'eventsReset' : 'eventsSet', events);
9249	},
9250
9251
9252	unsetEvents: function() {
9253		if (this.isEventsSet) {
9254			this.isEventsSet = false;
9255			this.handleEventsUnset();
9256			this.trigger('eventsUnset');
9257		}
9258	},
9259
9260
9261	whenEventsSet: function() {
9262		var _this = this;
9263
9264		if (this.isEventsSet) {
9265			return Promise.resolve(this.getCurrentEvents());
9266		}
9267		else {
9268			return new Promise(function(resolve) {
9269				_this.one('eventsSet', resolve);
9270			});
9271		}
9272	},
9273
9274
9275	// Event Handling
9276	// -----------------------------------------------------------------------------------------------------------------
9277
9278
9279	handleEvents: function(events, isReset) {
9280		this.requestEventsRender(events);
9281	},
9282
9283
9284	handleEventsUnset: function() {
9285		this.requestEventsUnrender();
9286	},
9287
9288
9289	// Event Render Queuing
9290	// -----------------------------------------------------------------------------------------------------------------
9291
9292
9293	// assumes any previous event renders have been cleared already
9294	requestEventsRender: function(events) {
9295		var _this = this;
9296
9297		return this.eventRenderQueue.add(function() { // might not return a promise if debounced!? bad
9298			return _this.executeEventsRender(events);
9299		});
9300	},
9301
9302
9303	requestEventsUnrender: function() {
9304		var _this = this;
9305
9306		if (this.isEventsRendered) {
9307			return this.eventRenderQueue.addQuickly(function() {
9308				return _this.executeEventsUnrender();
9309			});
9310		}
9311		else {
9312			return Promise.resolve();
9313		}
9314	},
9315
9316
9317	requestCurrentEventsRender: function() {
9318		if (this.isEventsSet) {
9319			this.requestEventsRender(this.getCurrentEvents());
9320		}
9321		else {
9322			return Promise.reject();
9323		}
9324	},
9325
9326
9327	// Event High-level Rendering
9328	// -----------------------------------------------------------------------------------------------------------------
9329
9330
9331	executeEventsRender: function(events) {
9332		var _this = this;
9333
9334		this.captureScroll();
9335		this.freezeHeight();
9336
9337		return this.executeEventsUnrender().then(function() {
9338			_this.renderEvents(events);
9339
9340			_this.thawHeight();
9341			_this.releaseScroll();
9342
9343			_this.isEventsRendered = true;
9344			_this.onEventsRender();
9345			_this.trigger('eventsRender');
9346		});
9347	},
9348
9349
9350	executeEventsUnrender: function() {
9351		if (this.isEventsRendered) {
9352			this.onBeforeEventsUnrender();
9353
9354			this.captureScroll();
9355			this.freezeHeight();
9356
9357			if (this.destroyEvents) {
9358				this.destroyEvents(); // TODO: deprecate
9359			}
9360
9361			this.unrenderEvents();
9362
9363			this.thawHeight();
9364			this.releaseScroll();
9365
9366			this.isEventsRendered = false;
9367			this.trigger('eventsUnrender');
9368		}
9369
9370		return Promise.resolve(); // always synchronous
9371	},
9372
9373
9374	// Event Rendering Triggers
9375	// -----------------------------------------------------------------------------------------------------------------
9376
9377
9378	// Signals that all events have been rendered
9379	onEventsRender: function() {
9380		this.renderedEventSegEach(function(seg) {
9381			this.publiclyTrigger('eventAfterRender', seg.event, seg.event, seg.el);
9382		});
9383		this.publiclyTrigger('eventAfterAllRender');
9384	},
9385
9386

9387	// Signals that all event elements are about to be removed
9388	onBeforeEventsUnrender: function() {
9389		this.renderedEventSegEach(function(seg) {
9390			this.publiclyTrigger('eventDestroy', seg.event, seg.event, seg.el);
9391		});
9392	},
9393
9394
9395	// Event Low-level Rendering
9396	// -----------------------------------------------------------------------------------------------------------------
9397
9398
9399	// Renders the events onto the view.
9400	renderEvents: function(events) {
9401		// subclasses should implement
9402	},
9403
9404
9405	// Removes event elements from the view.
9406	unrenderEvents: function() {
9407		// subclasses should implement
9408	},
9409
9410
9411	// Event Data Access
9412	// -----------------------------------------------------------------------------------------------------------------
9413
9414
9415	requestEvents: function() {
9416		return this.calendar.requestEvents(this.start, this.end);
9417	},
9418
9419
9420	getCurrentEvents: function() {
9421		return this.calendar.getPrunedEventCache();
9422	},
9423
9424
9425	// Event Rendering Utils
9426	// -----------------------------------------------------------------------------------------------------------------
9427
9428
9429	// Given an event and the default element used for rendering, returns the element that should actually be used.
9430	// Basically runs events and elements through the eventRender hook.
9431	resolveEventEl: function(event, el) {
9432		var custom = this.publiclyTrigger('eventRender', event, event, el);
9433
9434		if (custom === false) { // means don't render at all
9435			el = null;
9436		}
9437		else if (custom && custom !== true) {
9438			el = $(custom);
9439		}
9440
9441		return el;
9442	},
9443
9444
9445	// Hides all rendered event segments linked to the given event
9446	showEvent: function(event) {
9447		this.renderedEventSegEach(function(seg) {
9448			seg.el.css('visibility', '');
9449		}, event);
9450	},
9451
9452
9453	// Shows all rendered event segments linked to the given event
9454	hideEvent: function(event) {
9455		this.renderedEventSegEach(function(seg) {
9456			seg.el.css('visibility', 'hidden');
9457		}, event);
9458	},
9459
9460
9461	// Iterates through event segments that have been rendered (have an el). Goes through all by default.
9462	// If the optional `event` argument is specified, only iterates through segments linked to that event.
9463	// The `this` value of the callback function will be the view.
9464	renderedEventSegEach: function(func, event) {
9465		var segs = this.getEventSegs();
9466		var i;
9467
9468		for (i = 0; i < segs.length; i++) {
9469			if (!event || segs[i].event._id === event._id) {
9470				if (segs[i].el) {
9471					func.call(this, segs[i]);
9472				}
9473			}
9474		}
9475	},
9476
9477
9478	// Retrieves all the rendered segment objects for the view
9479	getEventSegs: function() {
9480		// subclasses must implement
9481		return [];
9482	},
9483
9484
9485	/* Event Drag-n-Drop
9486	------------------------------------------------------------------------------------------------------------------*/
9487
9488
9489	// Computes if the given event is allowed to be dragged by the user
9490	isEventDraggable: function(event) {
9491		return this.isEventStartEditable(event);
9492	},
9493
9494
9495	isEventStartEditable: function(event) {
9496		return firstDefined(
9497			event.startEditable,
9498			(event.source || {}).startEditable,
9499			this.opt('eventStartEditable'),
9500			this.isEventGenerallyEditable(event)
9501		);
9502	},
9503
9504
9505	isEventGenerallyEditable: function(event) {
9506		return firstDefined(
9507			event.editable,
9508			(event.source || {}).editable,
9509			this.opt('editable')
9510		);
9511	},
9512
9513
9514	// Must be called when an event in the view is dropped onto new location.
9515	// `dropLocation` is an object that contains the new zoned start/end/allDay values for the event.
9516	reportSegDrop: function(seg, dropLocation, largeUnit, el, ev) {
9517		var calendar = this.calendar;
9518		var mutateResult = calendar.mutateSeg(seg, dropLocation, largeUnit);
9519		var undoFunc = function() {
9520			mutateResult.undo();
9521			calendar.reportEventChange();
9522		};
9523
9524		this.triggerEventDrop(seg.event, mutateResult.dateDelta, undoFunc, el, ev);
9525		calendar.reportEventChange(); // will rerender events
9526	},
9527
9528
9529	// Triggers event-drop handlers that have subscribed via the API
9530	triggerEventDrop: function(event, dateDelta, undoFunc, el, ev) {
9531		this.publiclyTrigger('eventDrop', el[0], event, dateDelta, undoFunc, ev, {}); // {} = jqui dummy
9532	},
9533
9534
9535	/* External Element Drag-n-Drop
9536	------------------------------------------------------------------------------------------------------------------*/
9537
9538
9539	// Must be called when an external element, via jQuery UI, has been dropped onto the calendar.
9540	// `meta` is the parsed data that has been embedded into the dragging event.
9541	// `dropLocation` is an object that contains the new zoned start/end/allDay values for the event.
9542	reportExternalDrop: function(meta, dropLocation, el, ev, ui) {
9543		var eventProps = meta.eventProps;
9544		var eventInput;
9545		var event;
9546
9547		// Try to build an event object and render it. TODO: decouple the two
9548		if (eventProps) {
9549			eventInput = $.extend({}, eventProps, dropLocation);
9550			event = this.calendar.renderEvent(eventInput, meta.stick)[0]; // renderEvent returns an array
9551		}
9552
9553		this.triggerExternalDrop(event, dropLocation, el, ev, ui);
9554	},
9555
9556
9557	// Triggers external-drop handlers that have subscribed via the API
9558	triggerExternalDrop: function(event, dropLocation, el, ev, ui) {
9559
9560		// trigger 'drop' regardless of whether element represents an event
9561		this.publiclyTrigger('drop', el[0], dropLocation.start, ev, ui);
9562
9563		if (event) {
9564			this.publiclyTrigger('eventReceive', null, event); // signal an external event landed
9565		}
9566	},
9567
9568
9569	/* Drag-n-Drop Rendering (for both events and external elements)
9570	------------------------------------------------------------------------------------------------------------------*/
9571
9572
9573	// Renders a visual indication of a event or external-element drag over the given drop zone.
9574	// If an external-element, seg will be `null`.
9575	// Must return elements used for any mock events.
9576	renderDrag: function(dropLocation, seg) {
9577		// subclasses must implement
9578	},
9579
9580
9581	// Unrenders a visual indication of an event or external-element being dragged.
9582	unrenderDrag: function() {
9583		// subclasses must implement
9584	},
9585
9586
9587	/* Event Resizing
9588	------------------------------------------------------------------------------------------------------------------*/
9589
9590
9591	// Computes if the given event is allowed to be resized from its starting edge
9592	isEventResizableFromStart: function(event) {
9593		return this.opt('eventResizableFromStart') && this.isEventResizable(event);
9594	},
9595
9596
9597	// Computes if the given event is allowed to be resized from its ending edge
9598	isEventResizableFromEnd: function(event) {
9599		return this.isEventResizable(event);
9600	},
9601
9602
9603	// Computes if the given event is allowed to be resized by the user at all
9604	isEventResizable: function(event) {
9605		var source = event.source || {};
9606
9607		return firstDefined(
9608			event.durationEditable,
9609			source.durationEditable,
9610			this.opt('eventDurationEditable'),
9611			event.editable,
9612			source.editable,
9613			this.opt('editable')
9614		);
9615	},
9616
9617
9618	// Must be called when an event in the view has been resized to a new length
9619	reportSegResize: function(seg, resizeLocation, largeUnit, el, ev) {
9620		var calendar = this.calendar;
9621		var mutateResult = calendar.mutateSeg(seg, resizeLocation, largeUnit);

9622		var undoFunc = function() {
9623			mutateResult.undo();
9624			calendar.reportEventChange();
9625		};
9626
9627		this.triggerEventResize(seg.event, mutateResult.durationDelta, undoFunc, el, ev);
9628		calendar.reportEventChange(); // will rerender events
9629	},
9630
9631
9632	// Triggers event-resize handlers that have subscribed via the API
9633	triggerEventResize: function(event, durationDelta, undoFunc, el, ev) {
9634		this.publiclyTrigger('eventResize', el[0], event, durationDelta, undoFunc, ev, {}); // {} = jqui dummy
9635	},
9636
9637
9638	/* Selection (time range)
9639	------------------------------------------------------------------------------------------------------------------*/
9640
9641
9642	// Selects a date span on the view. `start` and `end` are both Moments.
9643	// `ev` is the native mouse event that begin the interaction.
9644	select: function(span, ev) {
9645		this.unselect(ev);
9646		this.renderSelection(span);
9647		this.reportSelection(span, ev);
9648	},
9649
9650
9651	// Renders a visual indication of the selection
9652	renderSelection: function(span) {
9653		// subclasses should implement
9654	},
9655
9656
9657	// Called when a new selection is made. Updates internal state and triggers handlers.
9658	reportSelection: function(span, ev) {
9659		this.isSelected = true;
9660		this.triggerSelect(span, ev);
9661	},
9662
9663
9664	// Triggers handlers to 'select'
9665	triggerSelect: function(span, ev) {
9666		this.publiclyTrigger(
9667			'select',
9668			null,
9669			this.calendar.applyTimezone(span.start), // convert to calendar's tz for external API
9670			this.calendar.applyTimezone(span.end), // "
9671			ev
9672		);
9673	},
9674
9675
9676	// Undoes a selection. updates in the internal state and triggers handlers.
9677	// `ev` is the native mouse event that began the interaction.
9678	unselect: function(ev) {
9679		if (this.isSelected) {
9680			this.isSelected = false;
9681			if (this.destroySelection) {
9682				this.destroySelection(); // TODO: deprecate
9683			}
9684			this.unrenderSelection();
9685			this.publiclyTrigger('unselect', null, ev);
9686		}
9687	},
9688
9689
9690	// Unrenders a visual indication of selection
9691	unrenderSelection: function() {
9692		// subclasses should implement
9693	},
9694
9695
9696	/* Event Selection
9697	------------------------------------------------------------------------------------------------------------------*/
9698
9699
9700	selectEvent: function(event) {
9701		if (!this.selectedEvent || this.selectedEvent !== event) {
9702			this.unselectEvent();
9703			this.renderedEventSegEach(function(seg) {
9704				seg.el.addClass('fc-selected');
9705			}, event);
9706			this.selectedEvent = event;
9707		}
9708	},
9709
9710
9711	unselectEvent: function() {
9712		if (this.selectedEvent) {
9713			this.renderedEventSegEach(function(seg) {
9714				seg.el.removeClass('fc-selected');
9715			}, this.selectedEvent);
9716			this.selectedEvent = null;
9717		}
9718	},
9719
9720
9721	isEventSelected: function(event) {
9722		// event references might change on refetchEvents(), while selectedEvent doesn't,
9723		// so compare IDs
9724		return this.selectedEvent && this.selectedEvent._id === event._id;
9725	},
9726
9727
9728	/* Mouse / Touch Unselecting (time range & event unselection)
9729	------------------------------------------------------------------------------------------------------------------*/
9730	// TODO: move consistently to down/start or up/end?
9731	// TODO: don't kill previous selection if touch scrolling
9732
9733
9734	handleDocumentMousedown: function(ev) {
9735		if (isPrimaryMouseButton(ev)) {
9736			this.processUnselect(ev);
9737		}
9738	},
9739
9740
9741	processUnselect: function(ev) {
9742		this.processRangeUnselect(ev);
9743		this.processEventUnselect(ev);
9744	},
9745
9746
9747	processRangeUnselect: function(ev) {
9748		var ignore;
9749
9750		// is there a time-range selection?
9751		if (this.isSelected && this.opt('unselectAuto')) {
9752			// only unselect if the clicked element is not identical to or inside of an 'unselectCancel' element
9753			ignore = this.opt('unselectCancel');
9754			if (!ignore || !$(ev.target).closest(ignore).length) {
9755				this.unselect(ev);
9756			}
9757		}
9758	},
9759
9760
9761	processEventUnselect: function(ev) {
9762		if (this.selectedEvent) {
9763			if (!$(ev.target).closest('.fc-selected').length) {
9764				this.unselectEvent();
9765			}
9766		}
9767	},
9768
9769
9770	/* Day Click
9771	------------------------------------------------------------------------------------------------------------------*/
9772
9773
9774	// Triggers handlers to 'dayClick'
9775	// Span has start/end of the clicked area. Only the start is useful.
9776	triggerDayClick: function(span, dayEl, ev) {
9777		this.publiclyTrigger(
9778			'dayClick',
9779			dayEl,
9780			this.calendar.applyTimezone(span.start), // convert to calendar's timezone for external API
9781			ev
9782		);
9783	},
9784
9785
9786	/* Date Utils
9787	------------------------------------------------------------------------------------------------------------------*/
9788
9789
9790	// Initializes internal variables related to calculating hidden days-of-week
9791	initHiddenDays: function() {
9792		var hiddenDays = this.opt('hiddenDays') || []; // array of day-of-week indices that are hidden

9793		var isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool)
9794		var dayCnt = 0;
9795		var i;
9796
9797		if (this.opt('weekends') === false) {
9798			hiddenDays.push(0, 6); // 0=sunday, 6=saturday
9799		}
9800
9801		for (i = 0; i < 7; i++) {
9802			if (
9803				!(isHiddenDayHash[i] = $.inArray(i, hiddenDays) !== -1)
9804			) {
9805				dayCnt++;
9806			}
9807		}
9808
9809		if (!dayCnt) {
9810			throw 'invalid hiddenDays'; // all days were hidden? bad.
9811		}
9812
9813		this.isHiddenDayHash = isHiddenDayHash;
9814	},
9815
9816
9817	// Is the current day hidden?
9818	// `day` is a day-of-week index (0-6), or a Moment
9819	isHiddenDay: function(day) {
9820		if (moment.isMoment(day)) {
9821			day = day.day();
9822		}
9823		return this.isHiddenDayHash[day];
9824	},
9825
9826
9827	// Incrementing the current day until it is no longer a hidden day, returning a copy.
9828	// If the initial value of `date` is not a hidden day, don't do anything.
9829	// Pass `isExclusive` as `true` if you are dealing with an end date.
9830	// `inc` defaults to `1` (increment one day forward each time)
9831	skipHiddenDays: function(date, inc, isExclusive) {
9832		var out = date.clone();
9833		inc = inc || 1;
9834		while (
9835			this.isHiddenDayHash[(out.day() + (isExclusive ? inc : 0) + 7) % 7]
9836		) {
9837			out.add(inc, 'days');
9838		}
9839		return out;
9840	},
9841
9842
9843	// Returns the date range of the full days the given range visually appears to occupy.
9844	// Returns a new range object.
9845	computeDayRange: function(range) {
9846		var startDay = range.start.clone().stripTime(); // the beginning of the day the range starts
9847		var end = range.end;
9848		var endDay = null;
9849		var endTimeMS;
9850
9851		if (end) {
9852			endDay = end.clone().stripTime(); // the beginning of the day the range exclusively ends
9853			endTimeMS = +end.time(); // # of milliseconds into `endDay`
9854
9855			// If the end time is actually inclusively part of the next day and is equal to or
9856			// beyond the next day threshold, adjust the end to be the exclusive end of `endDay`.
9857			// Otherwise, leaving it as inclusive will cause it to exclude `endDay`.
9858			if (endTimeMS && endTimeMS >= this.nextDayThreshold) {
9859				endDay.add(1, 'days');
9860			}
9861		}
9862
9863		// If no end was specified, or if it is within `startDay` but not past nextDayThreshold,
9864		// assign the default duration of one day.
9865		if (!end || endDay <= startDay) {
9866			endDay = startDay.clone().add(1, 'days');
9867		}
9868
9869		return { start: startDay, end: endDay };
9870	},
9871
9872
9873	// Does the given event visually appear to occupy more than one day?
9874	isMultiDayEvent: function(event) {
9875		var range = this.computeDayRange(event); // event is range-ish
9876
9877		return range.end.diff(range.start, 'days') > 1;
9878	}
9879
9880});
9881
9882;;
9883
9884/*
9885Embodies a div that has potential scrollbars
9886*/
9887var Scroller = FC.Scroller = Class.extend({
9888
9889	el: null, // the guaranteed outer element
9890	scrollEl: null, // the element with the scrollbars
9891	overflowX: null,
9892	overflowY: null,
9893
9894
9895	constructor: function(options) {
9896		options = options || {};
9897		this.overflowX = options.overflowX || options.overflow || 'auto';
9898		this.overflowY = options.overflowY || options.overflow || 'auto';
9899	},
9900
9901
9902	render: function() {
9903		this.el = this.renderEl();
9904		this.applyOverflow();
9905	},
9906
9907
9908	renderEl: function() {
9909		return (this.scrollEl = $('<div class="fc-scroller"></div>'));
9910	},
9911
9912
9913	// sets to natural height, unlocks overflow
9914	clear: function() {
9915		this.setHeight('auto');
9916		this.applyOverflow();
9917	},
9918
9919
9920	destroy: function() {
9921		this.el.remove();
9922	},
9923
9924
9925	// Overflow
9926	// -----------------------------------------------------------------------------------------------------------------
9927
9928
9929	applyOverflow: function() {
9930		this.scrollEl.css({
9931			'overflow-x': this.overflowX,
9932			'overflow-y': this.overflowY
9933		});
9934	},
9935
9936
9937	// Causes any 'auto' overflow values to resolves to 'scroll' or 'hidden'.
9938	// Useful for preserving scrollbar widths regardless of future resizes.
9939	// Can pass in scrollbarWidths for optimization.
9940	lockOverflow: function(scrollbarWidths) {
9941		var overflowX = this.overflowX;
9942		var overflowY = this.overflowY;
9943

9944		scrollbarWidths = scrollbarWidths || this.getScrollbarWidths();
9945
9946		if (overflowX === 'auto') {
9947			overflowX = (
9948					scrollbarWidths.top || scrollbarWidths.bottom || // horizontal scrollbars?
9949					// OR scrolling pane with massless scrollbars?
9950					this.scrollEl[0].scrollWidth - 1 > this.scrollEl[0].clientWidth
9951						// subtract 1 because of IE off-by-one issue
9952				) ? 'scroll' : 'hidden';
9953		}
9954
9955		if (overflowY === 'auto') {
9956			overflowY = (
9957					scrollbarWidths.left || scrollbarWidths.right || // vertical scrollbars?
9958					// OR scrolling pane with massless scrollbars?
9959					this.scrollEl[0].scrollHeight - 1 > this.scrollEl[0].clientHeight
9960						// subtract 1 because of IE off-by-one issue
9961				) ? 'scroll' : 'hidden';
9962		}
9963
9964		this.scrollEl.css({ 'overflow-x': overflowX, 'overflow-y': overflowY });
9965	},
9966
9967
9968	// Getters / Setters
9969	// -----------------------------------------------------------------------------------------------------------------
9970
9971
9972	setHeight: function(height) {
9973		this.scrollEl.height(height);
9974	},
9975
9976
9977	getScrollTop: function() {
9978		return this.scrollEl.scrollTop();
9979	},
9980
9981
9982	setScrollTop: function(top) {
9983		this.scrollEl.scrollTop(top);
9984	},
9985
9986
9987	getClientWidth: function() {
9988		return this.scrollEl[0].clientWidth;
9989	},
9990
9991
9992	getClientHeight: function() {
9993		return this.scrollEl[0].clientHeight;
9994	},
9995
9996
9997	getScrollbarWidths: function() {
9998		return getScrollbarWidths(this.scrollEl);
9999	}
10000
10001});
10002
10003;;
10004function Iterator(items) {
10005    this.items = items || [];
10006}
10007
10008
10009/* Calls a method on every item passing the arguments through */
10010Iterator.prototype.proxyCall = function(methodName) {
10011    var args = Array.prototype.slice.call(arguments, 1);
10012    var results = [];
10013
10014    this.items.forEach(function(item) {
10015        results.push(item[methodName].apply(item, args));
10016    });
10017
10018    return results;
10019};
10020
10021;;
10022
10023/* Toolbar with buttons and title
10024----------------------------------------------------------------------------------------------------------------------*/
10025
10026function Toolbar(calendar, toolbarOptions) {
10027	var t = this;
10028
10029	// exports
10030	t.setToolbarOptions = setToolbarOptions;
10031	t.render = render;
10032	t.removeElement = removeElement;
10033	t.updateTitle = updateTitle;
10034	t.activateButton = activateButton;
10035	t.deactivateButton = deactivateButton;
10036	t.disableButton = disableButton;
10037	t.enableButton = enableButton;
10038	t.getViewsWithButtons = getViewsWithButtons;
10039	t.el = null; // mirrors local `el`
10040
10041	// locals
10042	var el;
10043	var viewsWithButtons = [];
10044	var tm;
10045
10046	// method to update toolbar-specific options, not calendar-wide options
10047	function setToolbarOptions(newToolbarOptions) {
10048		toolbarOptions = newToolbarOptions;
10049	}
10050
10051	// can be called repeatedly and will rerender
10052	function render() {
10053		var sections = toolbarOptions.layout;
10054
10055		tm = calendar.options.theme ? 'ui' : 'fc';
10056
10057		if (sections) {
10058			if (!el) {
10059				el = this.el = $("<div class='fc-toolbar "+ toolbarOptions.extraClasses + "'/>");
10060			}
10061			else {
10062				el.empty();
10063			}
10064			el.append(renderSection('left'))
10065				.append(renderSection('right'))
10066				.append(renderSection('center'))
10067				.append('<div class="fc-clear"/>');
10068		}
10069		else {
10070			removeElement();
10071		}
10072	}
10073
10074
10075	function removeElement() {
10076		if (el) {
10077			el.remove();
10078			el = t.el = null;
10079		}
10080	}
10081
10082

10083	function renderSection(position) {
10084		var sectionEl = $('<div class="fc-' + position + '"/>');
10085		var buttonStr = toolbarOptions.layout[position];
10086
10087		if (buttonStr) {
10088			$.each(buttonStr.split(' '), function(i) {
10089				var groupChildren = $();
10090				var isOnlyButtons = true;
10091				var groupEl;
10092
10093				$.each(this.split(','), function(j, buttonName) {
10094					var customButtonProps;
10095					var viewSpec;
10096					var buttonClick;
10097					var overrideText; // text explicitly set by calendar's constructor options. overcomes icons
10098					var defaultText;
10099					var themeIcon;
10100					var normalIcon;
10101					var innerHtml;
10102					var classes;
10103					var button; // the element
10104
10105					if (buttonName == 'title') {
10106						groupChildren = groupChildren.add($('<h2>&nbsp;</h2>')); // we always want it to take up height
10107						isOnlyButtons = false;
10108					}
10109					else {
10110						if ((customButtonProps = (calendar.options.customButtons || {})[buttonName])) {
10111							buttonClick = function(ev) {
10112								if (customButtonProps.click) {
10113									customButtonProps.click.call(button[0], ev);
10114								}
10115							};
10116							overrideText = ''; // icons will override text
10117							defaultText = customButtonProps.text;
10118						}
10119						else if ((viewSpec = calendar.getViewSpec(buttonName))) {
10120							buttonClick = function() {
10121								calendar.changeView(buttonName);
10122							};
10123							viewsWithButtons.push(buttonName);
10124							overrideText = viewSpec.buttonTextOverride;
10125							defaultText = viewSpec.buttonTextDefault;
10126						}
10127						else if (calendar[buttonName]) { // a calendar method
10128							buttonClick = function() {
10129								calendar[buttonName]();
10130							};
10131							overrideText = (calendar.overrides.buttonText || {})[buttonName];
10132							defaultText = calendar.options.buttonText[buttonName]; // everything else is considered default
10133						}
10134
10135						if (buttonClick) {
10136
10137							themeIcon =
10138								customButtonProps ?
10139									customButtonProps.themeIcon :
10140									calendar.options.themeButtonIcons[buttonName];
10141
10142							normalIcon =
10143								customButtonProps ?
10144									customButtonProps.icon :
10145									calendar.options.buttonIcons[buttonName];
10146
10147							if (overrideText) {
10148								innerHtml = htmlEscape(overrideText);
10149							}
10150							else if (themeIcon && calendar.options.theme) {
10151								innerHtml = "<span class='ui-icon ui-icon-" + themeIcon + "'></span>";
10152							}
10153							else if (normalIcon && !calendar.options.theme) {
10154								innerHtml = "<span class='fc-icon fc-icon-" + normalIcon + "'></span>";
10155							}
10156							else {
10157								innerHtml = htmlEscape(defaultText);
10158							}
10159
10160							classes = [
10161								'fc-' + buttonName + '-button',
10162								tm + '-button',
10163								tm + '-state-default'
10164							];
10165
10166							button = $( // type="button" so that it doesn't submit a form
10167								'<button type="button" class="' + classes.join(' ') + '">' +
10168									innerHtml +
10169								'</button>'
10170								)
10171								.click(function(ev) {
10172									// don't process clicks for disabled buttons
10173									if (!button.hasClass(tm + '-state-disabled')) {
10174
10175										buttonClick(ev);
10176
10177										// after the click action, if the button becomes the "active" tab, or disabled,
10178										// it should never have a hover class, so remove it now.
10179										if (
10180											button.hasClass(tm + '-state-active') ||
10181											button.hasClass(tm + '-state-disabled')
10182										) {
10183											button.removeClass(tm + '-state-hover');
10184										}
10185									}
10186								})
10187								.mousedown(function() {
10188									// the *down* effect (mouse pressed in).
10189									// only on buttons that are not the "active" tab, or disabled
10190									button
10191										.not('.' + tm + '-state-active')
10192										.not('.' + tm + '-state-disabled')
10193										.addClass(tm + '-state-down');
10194								})
10195								.mouseup(function() {
10196									// undo the *down* effect
10197									button.removeClass(tm + '-state-down');
10198								})
10199								.hover(
10200									function() {
10201										// the *hover* effect.
10202										// only on buttons that are not the "active" tab, or disabled
10203										button
10204											.not('.' + tm + '-state-active')
10205											.not('.' + tm + '-state-disabled')
10206											.addClass(tm + '-state-hover');
10207									},
10208									function() {

10209										// undo the *hover* effect
10210										button
10211											.removeClass(tm + '-state-hover')
10212											.removeClass(tm + '-state-down'); // if mouseleave happens before mouseup
10213									}
10214								);
10215
10216							groupChildren = groupChildren.add(button);
10217						}
10218					}
10219				});
10220
10221				if (isOnlyButtons) {
10222					groupChildren
10223						.first().addClass(tm + '-corner-left').end()
10224						.last().addClass(tm + '-corner-right').end();
10225				}
10226
10227				if (groupChildren.length > 1) {
10228					groupEl = $('<div/>');
10229					if (isOnlyButtons) {
10230						groupEl.addClass('fc-button-group');
10231					}
10232					groupEl.append(groupChildren);
10233					sectionEl.append(groupEl);
10234				}
10235				else {
10236					sectionEl.append(groupChildren); // 1 or 0 children
10237				}
10238			});
10239		}
10240
10241		return sectionEl;
10242	}
10243
10244
10245	function updateTitle(text) {
10246		if (el) {
10247			el.find('h2').text(text);
10248		}
10249	}
10250
10251
10252	function activateButton(buttonName) {
10253		if (el) {
10254			el.find('.fc-' + buttonName + '-button')
10255				.addClass(tm + '-state-active');
10256		}
10257	}
10258
10259
10260	function deactivateButton(buttonName) {
10261		if (el) {
10262			el.find('.fc-' + buttonName + '-button')
10263				.removeClass(tm + '-state-active');
10264		}
10265	}
10266
10267
10268	function disableButton(buttonName) {
10269		if (el) {
10270			el.find('.fc-' + buttonName + '-button')
10271				.prop('disabled', true)
10272				.addClass(tm + '-state-disabled');
10273		}
10274	}
10275
10276
10277	function enableButton(buttonName) {
10278		if (el) {
10279			el.find('.fc-' + buttonName + '-button')
10280				.prop('disabled', false)
10281				.removeClass(tm + '-state-disabled');
10282		}
10283	}
10284
10285
10286	function getViewsWithButtons() {
10287		return viewsWithButtons;
10288	}
10289
10290}
10291
10292;;
10293
10294var Calendar = FC.Calendar = Class.extend({
10295
10296	dirDefaults: null, // option defaults related to LTR or RTL
10297	localeDefaults: null, // option defaults related to current locale
10298	overrides: null, // option overrides given to the fullCalendar constructor
10299	dynamicOverrides: null, // options set with dynamic setter method. higher precedence than view overrides.
10300	options: null, // all defaults combined with overrides
10301	viewSpecCache: null, // cache of view definitions
10302	view: null, // current View object
10303	header: null,
10304	footer: null,
10305	loadingLevel: 0, // number of simultaneous loading tasks
10306
10307
10308	// a lot of this class' OOP logic is scoped within this constructor function,
10309	// but in the future, write individual methods on the prototype.
10310	constructor: Calendar_constructor,
10311
10312
10313	// Subclasses can override this for initialization logic after the constructor has been called
10314	initialize: function() {
10315	},
10316
10317
10318	// Computes the flattened options hash for the calendar and assigns to `this.options`.
10319	// Assumes this.overrides and this.dynamicOverrides have already been initialized.
10320	populateOptionsHash: function() {
10321		var locale, localeDefaults;
10322		var isRTL, dirDefaults;
10323
10324		locale = firstDefined( // explicit locale option given?
10325			this.dynamicOverrides.locale,
10326			this.overrides.locale
10327		);
10328		localeDefaults = localeOptionHash[locale];
10329		if (!localeDefaults) { // explicit locale option not given or invalid?
10330			locale = Calendar.defaults.locale;
10331			localeDefaults = localeOptionHash[locale] || {};
10332		}
10333
10334		isRTL = firstDefined( // based on options computed so far, is direction RTL?
10335			this.dynamicOverrides.isRTL,
10336			this.overrides.isRTL,
10337			localeDefaults.isRTL,
10338			Calendar.defaults.isRTL
10339		);
10340		dirDefaults = isRTL ? Calendar.rtlDefaults : {};
10341
10342		this.dirDefaults = dirDefaults;
10343		this.localeDefaults = localeDefaults;
10344		this.options = mergeOptions([ // merge defaults and overrides. lowest to highest precedence
10345			Calendar.defaults, // global defaults
10346			dirDefaults,
10347			localeDefaults,
10348			this.overrides,
10349			this.dynamicOverrides
10350		]);
10351		populateInstanceComputableOptions(this.options); // fill in gaps with computed options
10352	},
10353
10354
10355	// Gets information about how to create a view. Will use a cache.
10356	getViewSpec: function(viewType) {
10357		var cache = this.viewSpecCache;
10358
10359		return cache[viewType] || (cache[viewType] = this.buildViewSpec(viewType));
10360	},
10361
10362
10363	// Given a duration singular unit, like "week" or "day", finds a matching view spec.
10364	// Preference is given to views that have corresponding buttons.
10365	getUnitViewSpec: function(unit) {
10366		var viewTypes;
10367		var i;
10368		var spec;
10369
10370		if ($.inArray(unit, intervalUnits) != -1) {
10371
10372			// put views that have buttons first. there will be duplicates, but oh well
10373			viewTypes = this.header.getViewsWithButtons(); // TODO: include footer as well?
10374			$.each(FC.views, function(viewType) { // all views
10375				viewTypes.push(viewType);
10376			});
10377
10378			for (i = 0; i < viewTypes.length; i++) {
10379				spec = this.getViewSpec(viewTypes[i]);
10380				if (spec) {
10381					if (spec.singleUnit == unit) {
10382						return spec;
10383					}
10384				}
10385			}
10386		}
10387	},
10388
10389
10390	// Builds an object with information on how to create a given view
10391	buildViewSpec: function(requestedViewType) {
10392		var viewOverrides = this.overrides.views || {};
10393		var specChain = []; // for the view. lowest to highest priority
10394		var defaultsChain = []; // for the view. lowest to highest priority
10395		var overridesChain = []; // for the view. lowest to highest priority
10396		var viewType = requestedViewType;
10397		var spec; // for the view
10398		var overrides; // for the view
10399		var duration;
10400		var unit;
10401
10402		// iterate from the specific view definition to a more general one until we hit an actual View class
10403		while (viewType) {
10404			spec = fcViews[viewType];

10405			overrides = viewOverrides[viewType];
10406			viewType = null; // clear. might repopulate for another iteration
10407
10408			if (typeof spec === 'function') { // TODO: deprecate
10409				spec = { 'class': spec };
10410			}
10411
10412			if (spec) {
10413				specChain.unshift(spec);
10414				defaultsChain.unshift(spec.defaults || {});
10415				duration = duration || spec.duration;
10416				viewType = viewType || spec.type;
10417			}
10418
10419			if (overrides) {
10420				overridesChain.unshift(overrides); // view-specific option hashes have options at zero-level
10421				duration = duration || overrides.duration;
10422				viewType = viewType || overrides.type;
10423			}
10424		}
10425
10426		spec = mergeProps(specChain);
10427		spec.type = requestedViewType;
10428		if (!spec['class']) {
10429			return false;
10430		}
10431
10432		if (duration) {
10433			duration = moment.duration(duration);
10434			if (duration.valueOf()) { // valid?
10435				spec.duration = duration;
10436				unit = computeIntervalUnit(duration);
10437
10438				// view is a single-unit duration, like "week" or "day"
10439				// incorporate options for this. lowest priority
10440				if (duration.as(unit) === 1) {
10441					spec.singleUnit = unit;
10442					overridesChain.unshift(viewOverrides[unit] || {});
10443				}
10444			}
10445		}
10446
10447		spec.defaults = mergeOptions(defaultsChain);
10448		spec.overrides = mergeOptions(overridesChain);
10449
10450		this.buildViewSpecOptions(spec);
10451		this.buildViewSpecButtonText(spec, requestedViewType);
10452
10453		return spec;
10454	},
10455
10456
10457	// Builds and assigns a view spec's options object from its already-assigned defaults and overrides
10458	buildViewSpecOptions: function(spec) {
10459		spec.options = mergeOptions([ // lowest to highest priority
10460			Calendar.defaults, // global defaults
10461			spec.defaults, // view's defaults (from ViewSubclass.defaults)
10462			this.dirDefaults,
10463			this.localeDefaults, // locale and dir take precedence over view's defaults!
10464			this.overrides, // calendar's overrides (options given to constructor)
10465			spec.overrides, // view's overrides (view-specific options)
10466			this.dynamicOverrides // dynamically set via setter. highest precedence
10467		]);
10468		populateInstanceComputableOptions(spec.options);
10469	},
10470
10471
10472	// Computes and assigns a view spec's buttonText-related options
10473	buildViewSpecButtonText: function(spec, requestedViewType) {
10474
10475		// given an options object with a possible `buttonText` hash, lookup the buttonText for the
10476		// requested view, falling back to a generic unit entry like "week" or "day"
10477		function queryButtonText(options) {
10478			var buttonText = options.buttonText || {};
10479			return buttonText[requestedViewType] ||
10480				// view can decide to look up a certain key
10481				(spec.buttonTextKey ? buttonText[spec.buttonTextKey] : null) ||
10482				// a key like "month"
10483				(spec.singleUnit ? buttonText[spec.singleUnit] : null);
10484		}
10485
10486		// highest to lowest priority
10487		spec.buttonTextOverride =
10488			queryButtonText(this.dynamicOverrides) ||
10489			queryButtonText(this.overrides) || // constructor-specified buttonText lookup hash takes precedence
10490			spec.overrides.buttonText; // `buttonText` for view-specific options is a string
10491
10492		// highest to lowest priority. mirrors buildViewSpecOptions
10493		spec.buttonTextDefault =
10494			queryButtonText(this.localeDefaults) ||
10495			queryButtonText(this.dirDefaults) ||
10496			spec.defaults.buttonText || // a single string. from ViewSubclass.defaults
10497			queryButtonText(Calendar.defaults) ||
10498			(spec.duration ? this.humanizeDuration(spec.duration) : null) || // like "3 days"
10499			requestedViewType; // fall back to given view name
10500	},
10501
10502
10503	// Given a view name for a custom view or a standard view, creates a ready-to-go View object
10504	instantiateView: function(viewType) {
10505		var spec = this.getViewSpec(viewType);
10506
10507		return new spec['class'](this, viewType, spec.options, spec.duration);
10508	},
10509
10510
10511	// Returns a boolean about whether the view is okay to instantiate at some point
10512	isValidViewType: function(viewType) {
10513		return Boolean(this.getViewSpec(viewType));
10514	},
10515
10516
10517	// Should be called when any type of async data fetching begins
10518	pushLoading: function() {
10519		if (!(this.loadingLevel++)) {
10520			this.publiclyTrigger('loading', null, true, this.view);
10521		}
10522	},
10523
10524
10525	// Should be called when any type of async data fetching completes
10526	popLoading: function() {
10527		if (!(--this.loadingLevel)) {
10528			this.publiclyTrigger('loading', null, false, this.view);
10529		}
10530	},
10531
10532
10533	// Given arguments to the select method in the API, returns a span (unzoned start/end and other info)
10534	buildSelectSpan: function(zonedStartInput, zonedEndInput) {
10535		var start = this.moment(zonedStartInput).stripZone();
10536		var end;
10537
10538		if (zonedEndInput) {
10539			end = this.moment(zonedEndInput).stripZone();
10540		}
10541		else if (start.hasTime()) {
10542			end = start.clone().add(this.defaultTimedEventDuration);
10543		}
10544		else {
10545			end = start.clone().add(this.defaultAllDayEventDuration);
10546		}
10547
10548		return { start: start, end: end };
10549	}
10550
10551});
10552
10553
10554Calendar.mixin(EmitterMixin);
10555
10556
10557function Calendar_constructor(element, overrides) {
10558	var t = this;
10559
10560	// declare the current calendar instance relies on GlobalEmitter. needed for garbage collection.
10561	GlobalEmitter.needed();
10562
10563
10564	// Exports
10565	// -----------------------------------------------------------------------------------
10566
10567	t.render = render;
10568	t.destroy = destroy;
10569	t.rerenderEvents = rerenderEvents;
10570	t.changeView = renderView; // `renderView` will switch to another view
10571	t.select = select;
10572	t.unselect = unselect;
10573	t.prev = prev;
10574	t.next = next;
10575	t.prevYear = prevYear;
10576	t.nextYear = nextYear;
10577	t.today = today;
10578	t.gotoDate = gotoDate;
10579	t.incrementDate = incrementDate;
10580	t.zoomTo = zoomTo;
10581	t.getDate = getDate;
10582	t.getCalendar = getCalendar;
10583	t.getView = getView;
10584	t.option = option; // getter/setter method
10585	t.publiclyTrigger = publiclyTrigger;
10586
10587
10588	// Options
10589	// -----------------------------------------------------------------------------------
10590
10591	t.dynamicOverrides = {};
10592	t.viewSpecCache = {};
10593	t.optionHandlers = {}; // for Calendar.options.js
10594	t.overrides = $.extend({}, overrides); // make a copy
10595
10596	t.populateOptionsHash(); // sets this.options
10597
10598
10599
10600	// Locale-data Internals
10601	// -----------------------------------------------------------------------------------
10602	// Apply overrides to the current locale's data
10603
10604	var localeData;
10605

10606	// Called immediately, and when any of the options change.
10607	// Happens before any internal objects rebuild or rerender, because this is very core.
10608	t.bindOptions([
10609		'locale', 'monthNames', 'monthNamesShort', 'dayNames', 'dayNamesShort', 'firstDay', 'weekNumberCalculation'
10610	], function(locale, monthNames, monthNamesShort, dayNames, dayNamesShort, firstDay, weekNumberCalculation) {
10611
10612		// normalize
10613		if (weekNumberCalculation === 'iso') {
10614			weekNumberCalculation = 'ISO'; // normalize
10615		}
10616
10617		localeData = createObject( // make a cheap copy
10618			getMomentLocaleData(locale) // will fall back to en
10619		);
10620
10621		if (monthNames) {
10622			localeData._months = monthNames;
10623		}
10624		if (monthNamesShort) {
10625			localeData._monthsShort = monthNamesShort;
10626		}
10627		if (dayNames) {
10628			localeData._weekdays = dayNames;
10629		}
10630		if (dayNamesShort) {
10631			localeData._weekdaysShort = dayNamesShort;
10632		}
10633
10634		if (firstDay == null && weekNumberCalculation === 'ISO') {
10635			firstDay = 1;
10636		}
10637		if (firstDay != null) {
10638			var _week = createObject(localeData._week); // _week: { dow: # }
10639			_week.dow = firstDay;
10640			localeData._week = _week;
10641		}
10642
10643		if ( // whitelist certain kinds of input
10644			weekNumberCalculation === 'ISO' ||
10645			weekNumberCalculation === 'local' ||
10646			typeof weekNumberCalculation === 'function'
10647		) {
10648			localeData._fullCalendar_weekCalc = weekNumberCalculation; // moment-ext will know what to do with it
10649		}
10650
10651		// If the internal current date object already exists, move to new locale.
10652		// We do NOT need to do this technique for event dates, because this happens when converting to "segments".
10653		if (date) {
10654			localizeMoment(date); // sets to localeData
10655		}
10656	});
10657
10658
10659	// Calendar-specific Date Utilities
10660	// -----------------------------------------------------------------------------------
10661
10662
10663	t.defaultAllDayEventDuration = moment.duration(t.options.defaultAllDayEventDuration);
10664	t.defaultTimedEventDuration = moment.duration(t.options.defaultTimedEventDuration);
10665
10666
10667	// Builds a moment using the settings of the current calendar: timezone and locale.
10668	// Accepts anything the vanilla moment() constructor accepts.
10669	t.moment = function() {
10670		var mom;
10671
10672		if (t.options.timezone === 'local') {
10673			mom = FC.moment.apply(null, arguments);
10674
10675			// Force the moment to be local, because FC.moment doesn't guarantee it.
10676			if (mom.hasTime()) { // don't give ambiguously-timed moments a local zone
10677				mom.local();
10678			}
10679		}
10680		else if (t.options.timezone === 'UTC') {
10681			mom = FC.moment.utc.apply(null, arguments); // process as UTC
10682		}
10683		else {
10684			mom = FC.moment.parseZone.apply(null, arguments); // let the input decide the zone
10685		}
10686
10687		localizeMoment(mom);
10688
10689		return mom;
10690	};
10691
10692
10693	// Updates the given moment's locale settings to the current calendar locale settings.
10694	function localizeMoment(mom) {
10695		mom._locale = localeData;
10696	}
10697	t.localizeMoment = localizeMoment;
10698
10699
10700	// Returns a boolean about whether or not the calendar knows how to calculate
10701	// the timezone offset of arbitrary dates in the current timezone.
10702	t.getIsAmbigTimezone = function() {
10703		return t.options.timezone !== 'local' && t.options.timezone !== 'UTC';
10704	};
10705
10706
10707	// Returns a copy of the given date in the current timezone. Has no effect on dates without times.
10708	t.applyTimezone = function(date) {
10709		if (!date.hasTime()) {
10710			return date.clone();
10711		}
10712
10713		var zonedDate = t.moment(date.toArray());
10714		var timeAdjust = date.time() - zonedDate.time();
10715		var adjustedZonedDate;
10716
10717		// Safari sometimes has problems with this coersion when near DST. Adjust if necessary. (bug #2396)
10718		if (timeAdjust) { // is the time result different than expected?
10719			adjustedZonedDate = zonedDate.clone().add(timeAdjust); // add milliseconds
10720			if (date.time() - adjustedZonedDate.time() === 0) { // does it match perfectly now?
10721				zonedDate = adjustedZonedDate;
10722			}
10723		}
10724
10725		return zonedDate;
10726	};
10727
10728
10729	// Returns a moment for the current date, as defined by the client's computer or from the `now` option.
10730	// Will return an moment with an ambiguous timezone.
10731	t.getNow = function() {
10732		var now = t.options.now;
10733		if (typeof now === 'function') {
10734			now = now();
10735		}
10736		return t.moment(now).stripZone();
10737	};
10738
10739
10740	// Get an event's normalized end date. If not present, calculate it from the defaults.
10741	t.getEventEnd = function(event) {

10742		if (event.end) {
10743			return event.end.clone();
10744		}
10745		else {
10746			return t.getDefaultEventEnd(event.allDay, event.start);
10747		}
10748	};
10749
10750
10751	// Given an event's allDay status and start date, return what its fallback end date should be.
10752	// TODO: rename to computeDefaultEventEnd
10753	t.getDefaultEventEnd = function(allDay, zonedStart) {
10754		var end = zonedStart.clone();
10755
10756		if (allDay) {
10757			end.stripTime().add(t.defaultAllDayEventDuration);
10758		}
10759		else {
10760			end.add(t.defaultTimedEventDuration);
10761		}
10762
10763		if (t.getIsAmbigTimezone()) {
10764			end.stripZone(); // we don't know what the tzo should be
10765		}
10766
10767		return end;
10768	};
10769
10770
10771	// Produces a human-readable string for the given duration.
10772	// Side-effect: changes the locale of the given duration.
10773	t.humanizeDuration = function(duration) {
10774		return duration.locale(t.options.locale).humanize();
10775	};
10776
10777
10778
10779	// Imports
10780	// -----------------------------------------------------------------------------------
10781
10782
10783	EventManager.call(t);
10784
10785
10786
10787	// Locals
10788	// -----------------------------------------------------------------------------------
10789
10790
10791	var _element = element[0];
10792	var toolbarsManager;
10793	var header;
10794	var footer;
10795	var content;
10796	var tm; // for making theme classes
10797	var currentView; // NOTE: keep this in sync with this.view
10798	var viewsByType = {}; // holds all instantiated view instances, current or not
10799	var suggestedViewHeight;
10800	var windowResizeProxy; // wraps the windowResize function
10801	var ignoreWindowResize = 0;
10802	var date; // unzoned
10803
10804
10805
10806	// Main Rendering
10807	// -----------------------------------------------------------------------------------
10808
10809
10810	// compute the initial ambig-timezone date
10811	if (t.options.defaultDate != null) {
10812		date = t.moment(t.options.defaultDate).stripZone();
10813	}
10814	else {
10815		date = t.getNow(); // getNow already returns unzoned
10816	}
10817
10818
10819	function render() {
10820		if (!content) {
10821			initialRender();
10822		}
10823		else if (elementVisible()) {
10824			// mainly for the public API
10825			calcSize();
10826			renderView();
10827		}
10828	}
10829
10830
10831	function initialRender() {
10832		element.addClass('fc');
10833
10834		// event delegation for nav links
10835		element.on('click.fc', 'a[data-goto]', function(ev) {
10836			var anchorEl = $(this);
10837			var gotoOptions = anchorEl.data('goto'); // will automatically parse JSON
10838			var date = t.moment(gotoOptions.date);
10839			var viewType = gotoOptions.type;
10840
10841			// property like "navLinkDayClick". might be a string or a function
10842			var customAction = currentView.opt('navLink' + capitaliseFirstLetter(viewType) + 'Click');
10843
10844			if (typeof customAction === 'function') {
10845				customAction(date, ev);
10846			}
10847			else {
10848				if (typeof customAction === 'string') {
10849					viewType = customAction;
10850				}
10851				zoomTo(date, viewType);
10852			}
10853		});
10854
10855		// called immediately, and upon option change
10856		t.bindOption('theme', function(theme) {
10857			tm = theme ? 'ui' : 'fc'; // affects a larger scope
10858			element.toggleClass('ui-widget', theme);
10859			element.toggleClass('fc-unthemed', !theme);
10860		});
10861
10862		// called immediately, and upon option change.
10863		// HACK: locale often affects isRTL, so we explicitly listen to that too.
10864		t.bindOptions([ 'isRTL', 'locale' ], function(isRTL) {
10865			element.toggleClass('fc-ltr', !isRTL);
10866			element.toggleClass('fc-rtl', isRTL);
10867		});
10868
10869		content = $("<div class='fc-view-container'/>").prependTo(element);
10870
10871		var toolbars = buildToolbars();
10872		toolbarsManager = new Iterator(toolbars);
10873
10874		header = t.header = toolbars[0];
10875		footer = t.footer = toolbars[1];
10876
10877		renderHeader();
10878		renderFooter();
10879		renderView(t.options.defaultView);
10880
10881		if (t.options.handleWindowResize) {
10882			windowResizeProxy = debounce(windowResize, t.options.windowResizeDelay); // prevents rapid calls
10883			$(window).resize(windowResizeProxy);
10884		}
10885	}
10886
10887
10888	function destroy() {
10889
10890		if (currentView) {
10891			currentView.removeElement();
10892
10893			// NOTE: don't null-out currentView/t.view in case API methods are called after destroy.
10894			// It is still the "current" view, just not rendered.
10895		}
10896
10897		toolbarsManager.proxyCall('removeElement');
10898		content.remove();
10899		element.removeClass('fc fc-ltr fc-rtl fc-unthemed ui-widget');
10900
10901		element.off('.fc'); // unbind nav link handlers
10902
10903		if (windowResizeProxy) {
10904			$(window).unbind('resize', windowResizeProxy);
10905		}
10906
10907		GlobalEmitter.unneeded();
10908	}
10909
10910
10911	function elementVisible() {
10912		return element.is(':visible');
10913	}
10914
10915
10916
10917	// View Rendering
10918	// -----------------------------------------------------------------------------------
10919
10920
10921	// Renders a view because of a date change, view-type change, or for the first time.
10922	// If not given a viewType, keep the current view but render different dates.
10923	// Accepts an optional scroll state to restore to.
10924	function renderView(viewType, forcedScroll) {
10925		ignoreWindowResize++;
10926
10927		var needsClearView = currentView && viewType && currentView.type !== viewType;
10928
10929		// if viewType is changing, remove the old view's rendering
10930		if (needsClearView) {
10931			freezeContentHeight(); // prevent a scroll jump when view element is removed
10932			clearView();
10933		}
10934
10935		// if viewType changed, or the view was never created, create a fresh view
10936		if (!currentView && viewType) {
10937			currentView = t.view =
10938				viewsByType[viewType] ||
10939				(viewsByType[viewType] = t.instantiateView(viewType));
10940
10941			currentView.setElement(
10942				$("<div class='fc-view fc-" + viewType + "-view' />").appendTo(content)
10943			);
10944			toolbarsManager.proxyCall('activateButton', viewType);
10945		}
10946
10947		if (currentView) {
10948
10949			// in case the view should render a period of time that is completely hidden
10950			date = currentView.massageCurrentDate(date);
10951
10952			// render or rerender the view
10953			if (
10954				!currentView.isDateSet ||
10955				!( // NOT within interval range signals an implicit date window change
10956					date >= currentView.intervalStart &&
10957					date < currentView.intervalEnd
10958				)
10959			) {
10960				if (elementVisible()) {
10961
10962					if (forcedScroll) {
10963						currentView.captureInitialScroll(forcedScroll);
10964					}
10965
10966					currentView.setDate(date, forcedScroll);
10967
10968					if (forcedScroll) {
10969						currentView.releaseScroll();
10970					}
10971
10972					// need to do this after View::render, so dates are calculated
10973					// NOTE: view updates title text proactively
10974					updateToolbarsTodayButton();
10975				}
10976			}
10977		}
10978
10979		if (needsClearView) {
10980			thawContentHeight();
10981		}
10982
10983		ignoreWindowResize--;
10984	}
10985
10986
10987	// Unrenders the current view and reflects this change in the Header.
10988	// Unregsiters the `currentView`, but does not remove from viewByType hash.
10989	function clearView() {
10990		toolbarsManager.proxyCall('deactivateButton', currentView.type);

10991		currentView.removeElement();
10992		currentView = t.view = null;
10993	}
10994
10995
10996	// Destroys the view, including the view object. Then, re-instantiates it and renders it.
10997	// Maintains the same scroll state.
10998	// TODO: maintain any other user-manipulated state.
10999	function reinitView() {
11000		ignoreWindowResize++;
11001		freezeContentHeight();
11002
11003		var viewType = currentView.type;
11004		var scrollState = currentView.queryScroll();
11005		clearView();
11006		calcSize();
11007		renderView(viewType, scrollState);
11008
11009		thawContentHeight();
11010		ignoreWindowResize--;
11011	}
11012
11013
11014
11015	// Resizing
11016	// -----------------------------------------------------------------------------------
11017
11018
11019	t.getSuggestedViewHeight = function() {
11020		if (suggestedViewHeight === undefined) {
11021			calcSize();
11022		}
11023		return suggestedViewHeight;
11024	};
11025
11026
11027	t.isHeightAuto = function() {
11028		return t.options.contentHeight === 'auto' || t.options.height === 'auto';
11029	};
11030
11031
11032	function updateSize(shouldRecalc) {
11033		if (elementVisible()) {
11034
11035			if (shouldRecalc) {
11036				_calcSize();
11037			}
11038
11039			ignoreWindowResize++;
11040			currentView.updateSize(true); // isResize=true. will poll getSuggestedViewHeight() and isHeightAuto()
11041			ignoreWindowResize--;
11042
11043			return true; // signal success
11044		}
11045	}
11046
11047
11048	function calcSize() {
11049		if (elementVisible()) {
11050			_calcSize();
11051		}
11052	}
11053
11054
11055	function _calcSize() { // assumes elementVisible
11056		var contentHeightInput = t.options.contentHeight;
11057		var heightInput = t.options.height;
11058
11059		if (typeof contentHeightInput === 'number') { // exists and not 'auto'
11060			suggestedViewHeight = contentHeightInput;
11061		}
11062		else if (typeof contentHeightInput === 'function') { // exists and is a function
11063			suggestedViewHeight = contentHeightInput();
11064		}
11065		else if (typeof heightInput === 'number') { // exists and not 'auto'
11066			suggestedViewHeight = heightInput - queryToolbarsHeight();
11067		}
11068		else if (typeof heightInput === 'function') { // exists and is a function
11069			suggestedViewHeight = heightInput() - queryToolbarsHeight();
11070		}
11071		else if (heightInput === 'parent') { // set to height of parent element
11072			suggestedViewHeight = element.parent().height() - queryToolbarsHeight();
11073		}
11074		else {
11075			suggestedViewHeight = Math.round(content.width() / Math.max(t.options.aspectRatio, .5));
11076		}
11077	}
11078
11079
11080	function queryToolbarsHeight() {
11081		return toolbarsManager.items.reduce(function(accumulator, toolbar) {
11082			var toolbarHeight = toolbar.el ? toolbar.el.outerHeight(true) : 0; // includes margin
11083			return accumulator + toolbarHeight;
11084		}, 0);
11085	}
11086
11087
11088	function windowResize(ev) {
11089		if (
11090			!ignoreWindowResize &&
11091			ev.target === window && // so we don't process jqui "resize" events that have bubbled up
11092			currentView.start // view has already been rendered
11093		) {
11094			if (updateSize(true)) {
11095				currentView.publiclyTrigger('windowResize', _element);
11096			}
11097		}
11098	}
11099
11100
11101
11102	/* Event Rendering
11103	-----------------------------------------------------------------------------*/
11104
11105
11106	function rerenderEvents() { // API method. destroys old events if previously rendered.
11107		if (elementVisible()) {
11108			t.reportEventChange(); // will re-trasmit events to the view, causing a rerender
11109		}
11110	}
11111
11112
11113
11114	/* Toolbars
11115	-----------------------------------------------------------------------------*/
11116
11117
11118	function buildToolbars() {
11119		return [
11120			new Toolbar(t, computeHeaderOptions()),
11121			new Toolbar(t, computeFooterOptions())
11122		];
11123	}
11124
11125
11126	function computeHeaderOptions() {
11127		return {
11128			extraClasses: 'fc-header-toolbar',
11129			layout: t.options.header
11130		};
11131	}
11132
11133
11134	function computeFooterOptions() {
11135		return {
11136			extraClasses: 'fc-footer-toolbar',
11137			layout: t.options.footer
11138		};
11139	}
11140
11141
11142	// can be called repeatedly and Header will rerender
11143	function renderHeader() {
11144		header.setToolbarOptions(computeHeaderOptions());
11145		header.render();
11146		if (header.el) {
11147			element.prepend(header.el);
11148		}
11149	}
11150
11151
11152	// can be called repeatedly and Footer will rerender
11153	function renderFooter() {
11154		footer.setToolbarOptions(computeFooterOptions());
11155		footer.render();
11156		if (footer.el) {
11157			element.append(footer.el);
11158		}
11159	}
11160
11161
11162	t.setToolbarsTitle = function(title) {
11163		toolbarsManager.proxyCall('updateTitle', title);
11164	};
11165
11166
11167	function updateToolbarsTodayButton() {
11168		var now = t.getNow();
11169		if (now >= currentView.intervalStart && now < currentView.intervalEnd) {
11170			toolbarsManager.proxyCall('disableButton', 'today');
11171		}
11172		else {
11173			toolbarsManager.proxyCall('enableButton', 'today');
11174		}
11175	}
11176
11177
11178
11179	/* Selection
11180	-----------------------------------------------------------------------------*/
11181
11182
11183	// this public method receives start/end dates in any format, with any timezone
11184	function select(zonedStartInput, zonedEndInput) {
11185		currentView.select(
11186			t.buildSelectSpan.apply(t, arguments)
11187		);
11188	}
11189
11190
11191	function unselect() { // safe to be called before renderView
11192		if (currentView) {
11193			currentView.unselect();
11194		}
11195	}
11196
11197
11198
11199	/* Date
11200	-----------------------------------------------------------------------------*/
11201
11202
11203	function prev() {
11204		date = currentView.computePrevDate(date);
11205		renderView();
11206	}
11207
11208
11209	function next() {
11210		date = currentView.computeNextDate(date);
11211		renderView();
11212	}
11213
11214
11215	function prevYear() {
11216		date.add(-1, 'years');
11217		renderView();
11218	}
11219
11220
11221	function nextYear() {
11222		date.add(1, 'years');
11223		renderView();
11224	}
11225
11226
11227	function today() {
11228		date = t.getNow();
11229		renderView();
11230	}
11231
11232
11233	function gotoDate(zonedDateInput) {
11234		date = t.moment(zonedDateInput).stripZone();
11235		renderView();
11236	}
11237
11238
11239	function incrementDate(delta) {
11240		date.add(moment.duration(delta));
11241		renderView();
11242	}
11243
11244

11245	// Forces navigation to a view for the given date.
11246	// `viewType` can be a specific view name or a generic one like "week" or "day".
11247	function zoomTo(newDate, viewType) {
11248		var spec;
11249
11250		viewType = viewType || 'day'; // day is default zoom
11251		spec = t.getViewSpec(viewType) || t.getUnitViewSpec(viewType);
11252
11253		date = newDate.clone();
11254		renderView(spec ? spec.type : null);
11255	}
11256
11257
11258	// for external API
11259	function getDate() {
11260		return t.applyTimezone(date); // infuse the calendar's timezone
11261	}
11262
11263
11264
11265	/* Height "Freezing"
11266	-----------------------------------------------------------------------------*/
11267
11268
11269	t.freezeContentHeight = freezeContentHeight;
11270	t.thawContentHeight = thawContentHeight;
11271
11272	var freezeContentHeightDepth = 0;
11273
11274
11275	function freezeContentHeight() {
11276		if (!(freezeContentHeightDepth++)) {
11277			content.css({
11278				width: '100%',
11279				height: content.height(),
11280				overflow: 'hidden'
11281			});
11282		}
11283	}
11284
11285
11286	function thawContentHeight() {
11287		if (!(--freezeContentHeightDepth)) {
11288			content.css({
11289				width: '',
11290				height: '',
11291				overflow: ''
11292			});
11293		}
11294	}
11295
11296
11297
11298	/* Misc
11299	-----------------------------------------------------------------------------*/
11300
11301
11302	function getCalendar() {
11303		return t;
11304	}
11305
11306
11307	function getView() {
11308		return currentView;
11309	}
11310
11311
11312	function option(name, value) {
11313		var newOptionHash;
11314
11315		if (typeof name === 'string') {
11316			if (value === undefined) { // getter
11317				return t.options[name];
11318			}
11319			else { // setter for individual option
11320				newOptionHash = {};
11321				newOptionHash[name] = value;
11322				setOptions(newOptionHash);
11323			}
11324		}
11325		else if (typeof name === 'object') { // compound setter with object input
11326			setOptions(name);
11327		}
11328	}
11329
11330
11331	function setOptions(newOptionHash) {
11332		var optionCnt = 0;
11333		var optionName;
11334
11335		for (optionName in newOptionHash) {
11336			t.dynamicOverrides[optionName] = newOptionHash[optionName];
11337		}
11338
11339		t.viewSpecCache = {}; // the dynamic override invalidates the options in this cache, so just clear it
11340		t.populateOptionsHash(); // this.options needs to be recomputed after the dynamic override
11341
11342		// trigger handlers after this.options has been updated
11343		for (optionName in newOptionHash) {
11344			t.triggerOptionHandlers(optionName); // recall bindOption/bindOptions
11345			optionCnt++;
11346		}
11347
11348		// special-case handling of single option change.
11349		// if only one option change, `optionName` will be its name.
11350		if (optionCnt === 1) {
11351			if (optionName === 'height' || optionName === 'contentHeight' || optionName === 'aspectRatio') {
11352				updateSize(true); // true = allow recalculation of height
11353				return;
11354			}
11355			else if (optionName === 'defaultDate') {
11356				return; // can't change date this way. use gotoDate instead
11357			}
11358			else if (optionName === 'businessHours') {
11359				if (currentView) {
11360					currentView.unrenderBusinessHours();
11361					currentView.renderBusinessHours();
11362				}
11363				return;
11364			}
11365			else if (optionName === 'timezone') {
11366				t.rezoneArrayEventSources();
11367				t.refetchEvents();
11368				return;
11369			}
11370		}
11371
11372		// catch-all. rerender the header and footer and rebuild/rerender the current view
11373		renderHeader();
11374		renderFooter();
11375		viewsByType = {}; // even non-current views will be affected by this option change. do before rerender
11376		reinitView();
11377	}
11378
11379
11380	function publiclyTrigger(name, thisObj) {
11381		var args = Array.prototype.slice.call(arguments, 2);
11382
11383		thisObj = thisObj || _element;
11384		this.triggerWith(name, thisObj, args); // Emitter's method
11385
11386		if (t.options[name]) {
11387			return t.options[name].apply(thisObj, args);
11388		}
11389	}
11390
11391	t.initialize();
11392}
11393
11394;;
11395/*
11396Options binding/triggering system.
11397*/
11398Calendar.mixin({
11399
11400	// A map of option names to arrays of handler objects. Initialized to {} in Calendar.
11401	// Format for a handler object:
11402	// {
11403	//   func // callback function to be called upon change
11404	//   names // option names whose values should be given to func
11405	// }
11406	optionHandlers: null, 
11407
11408	// Calls handlerFunc immediately, and when the given option has changed.
11409	// handlerFunc will be given the option value.
11410	bindOption: function(optionName, handlerFunc) {
11411		this.bindOptions([ optionName ], handlerFunc);
11412	},
11413
11414	// Calls handlerFunc immediately, and when any of the given options change.
11415	// handlerFunc will be given each option value as ordered function arguments.
11416	bindOptions: function(optionNames, handlerFunc) {
11417		var handlerObj = { func: handlerFunc, names: optionNames };
11418		var i;
11419
11420		for (i = 0; i < optionNames.length; i++) {
11421			this.registerOptionHandlerObj(optionNames[i], handlerObj);
11422		}
11423
11424		this.triggerOptionHandlerObj(handlerObj);
11425	},
11426
11427	// Puts the given handler object into the internal hash
11428	registerOptionHandlerObj: function(optionName, handlerObj) {
11429		(this.optionHandlers[optionName] || (this.optionHandlers[optionName] = []))
11430			.push(handlerObj);
11431	},
11432
11433	// Reports that the given option has changed, and calls all appropriate handlers.
11434	triggerOptionHandlers: function(optionName) {
11435		var handlerObjs = this.optionHandlers[optionName] || [];
11436		var i;
11437
11438		for (i = 0; i < handlerObjs.length; i++) {
11439			this.triggerOptionHandlerObj(handlerObjs[i]);
11440		}
11441	},
11442
11443	// Calls the callback for a specific handler object, passing in the appropriate arguments.
11444	triggerOptionHandlerObj: function(handlerObj) {
11445		var optionNames = handlerObj.names;
11446		var optionValues = [];
11447		var i;
11448
11449		for (i = 0; i < optionNames.length; i++) {
11450			optionValues.push(this.options[optionNames[i]]);
11451		}
11452
11453		handlerObj.func.apply(this, optionValues); // maintain the Calendar's `this` context
11454	}
11455
11456});
11457
11458;;
11459
11460Calendar.defaults = {
11461
11462	titleRangeSeparator: ' \u2013 ', // en dash
11463	monthYearFormat: 'MMMM YYYY', // required for en. other locales rely on datepicker computable option
11464
11465	defaultTimedEventDuration: '02:00:00',
11466	defaultAllDayEventDuration: { days: 1 },
11467	forceEventDuration: false,
11468	nextDayThreshold: '09:00:00', // 9am
11469
11470	// display
11471	defaultView: 'month',
11472	aspectRatio: 1.35,
11473	header: {
11474		left: 'title',
11475		center: '',
11476		right: 'today prev,next'
11477	},
11478	weekends: true,
11479	weekNumbers: false,
11480
11481	weekNumberTitle: 'W',
11482	weekNumberCalculation: 'local',
11483	
11484	//editable: false,
11485
11486	//nowIndicator: false,
11487
11488	scrollTime: '06:00:00',
11489	
11490	// event ajax
11491	lazyFetching: true,
11492	startParam: 'start',
11493	endParam: 'end',
11494	timezoneParam: 'timezone',
11495
11496	timezone: false,
11497
11498	//allDayDefault: undefined,
11499
11500	// locale
11501	isRTL: false,
11502	buttonText: {
11503		prev: "prev",
11504		next: "next",
11505		prevYear: "prev year",
11506		nextYear: "next year",
11507		year: 'year', // TODO: locale files need to specify this
11508		today: 'today',
11509		month: 'month',
11510		week: 'week',
11511		day: 'day'
11512	},
11513
11514	buttonIcons: {
11515		prev: 'left-single-arrow',
11516		next: 'right-single-arrow',
11517		prevYear: 'left-double-arrow',
11518		nextYear: 'right-double-arrow'
11519	},
11520
11521	allDayText: 'all-day',
11522	
11523	// jquery-ui theming
11524	theme: false,
11525	themeButtonIcons: {
11526		prev: 'circle-triangle-w',
11527		next: 'circle-triangle-e',
11528		prevYear: 'seek-prev',
11529		nextYear: 'seek-next'
11530	},
11531
11532	//eventResizableFromStart: false,
11533	dragOpacity: .75,
11534	dragRevertDuration: 500,
11535	dragScroll: true,
11536	
11537	//selectable: false,
11538	unselectAuto: true,
11539	//selectMinDistance: 0,
11540	
11541	dropAccept: '*',
11542
11543	eventOrder: 'title',

11544	//eventRenderWait: null,
11545
11546	eventLimit: false,
11547	eventLimitText: 'more',
11548	eventLimitClick: 'popover',
11549	dayPopoverFormat: 'LL',
11550	
11551	handleWindowResize: true,
11552	windowResizeDelay: 100, // milliseconds before an updateSize happens
11553
11554	longPressDelay: 1000
11555	
11556};
11557
11558
11559Calendar.englishDefaults = { // used by locale.js
11560	dayPopoverFormat: 'dddd, MMMM D'
11561};
11562
11563
11564Calendar.rtlDefaults = { // right-to-left defaults
11565	header: { // TODO: smarter solution (first/center/last ?)
11566		left: 'next,prev today',
11567		center: '',
11568		right: 'title'
11569	},
11570	buttonIcons: {
11571		prev: 'right-single-arrow',
11572		next: 'left-single-arrow',
11573		prevYear: 'right-double-arrow',
11574		nextYear: 'left-double-arrow'
11575	},
11576	themeButtonIcons: {
11577		prev: 'circle-triangle-e',
11578		next: 'circle-triangle-w',
11579		nextYear: 'seek-prev',
11580		prevYear: 'seek-next'
11581	}
11582};
11583
11584;;
11585
11586var localeOptionHash = FC.locales = {}; // initialize and expose
11587
11588
11589// TODO: document the structure and ordering of a FullCalendar locale file
11590
11591
11592// Initialize jQuery UI datepicker translations while using some of the translations
11593// Will set this as the default locales for datepicker.
11594FC.datepickerLocale = function(localeCode, dpLocaleCode, dpOptions) {
11595
11596	// get the FullCalendar internal option hash for this locale. create if necessary
11597	var fcOptions = localeOptionHash[localeCode] || (localeOptionHash[localeCode] = {});
11598
11599	// transfer some simple options from datepicker to fc
11600	fcOptions.isRTL = dpOptions.isRTL;
11601	fcOptions.weekNumberTitle = dpOptions.weekHeader;
11602
11603	// compute some more complex options from datepicker
11604	$.each(dpComputableOptions, function(name, func) {
11605		fcOptions[name] = func(dpOptions);
11606	});
11607
11608	// is jQuery UI Datepicker is on the page?
11609	if ($.datepicker) {
11610
11611		// Register the locale data.
11612		// FullCalendar and MomentJS use locale codes like "pt-br" but Datepicker
11613		// does it like "pt-BR" or if it doesn't have the locale, maybe just "pt".
11614		// Make an alias so the locale can be referenced either way.
11615		$.datepicker.regional[dpLocaleCode] =
11616			$.datepicker.regional[localeCode] = // alias
11617				dpOptions;
11618
11619		// Alias 'en' to the default locale data. Do this every time.
11620		$.datepicker.regional.en = $.datepicker.regional[''];
11621
11622		// Set as Datepicker's global defaults.
11623		$.datepicker.setDefaults(dpOptions);
11624	}
11625};
11626
11627
11628// Sets FullCalendar-specific translations. Will set the locales as the global default.
11629FC.locale = function(localeCode, newFcOptions) {
11630	var fcOptions;
11631	var momOptions;
11632
11633	// get the FullCalendar internal option hash for this locale. create if necessary
11634	fcOptions = localeOptionHash[localeCode] || (localeOptionHash[localeCode] = {});
11635
11636	// provided new options for this locales? merge them in
11637	if (newFcOptions) {
11638		fcOptions = localeOptionHash[localeCode] = mergeOptions([ fcOptions, newFcOptions ]);
11639	}
11640
11641	// compute locale options that weren't defined.
11642	// always do this. newFcOptions can be undefined when initializing from i18n file,
11643	// so no way to tell if this is an initialization or a default-setting.
11644	momOptions = getMomentLocaleData(localeCode); // will fall back to en
11645	$.each(momComputableOptions, function(name, func) {
11646		if (fcOptions[name] == null) {
11647			fcOptions[name] = func(momOptions, fcOptions);
11648		}
11649	});
11650
11651	// set it as the default locale for FullCalendar
11652	Calendar.defaults.locale = localeCode;
11653};
11654
11655
11656// NOTE: can't guarantee any of these computations will run because not every locale has datepicker
11657// configs, so make sure there are English fallbacks for these in the defaults file.
11658var dpComputableOptions = {
11659
11660	buttonText: function(dpOptions) {
11661		return {
11662			// the translations sometimes wrongly contain HTML entities
11663			prev: stripHtmlEntities(dpOptions.prevText),
11664			next: stripHtmlEntities(dpOptions.nextText),
11665			today: stripHtmlEntities(dpOptions.currentText)
11666		};
11667	},
11668
11669	// Produces format strings like "MMMM YYYY" -> "September 2014"
11670	monthYearFormat: function(dpOptions) {
11671		return dpOptions.showMonthAfterYear ?
11672			'YYYY[' + dpOptions.yearSuffix + '] MMMM' :
11673			'MMMM YYYY[' + dpOptions.yearSuffix + ']';
11674	}
11675
11676};
11677
11678var momComputableOptions = {
11679
11680	// Produces format strings like "ddd M/D" -> "Fri 9/15"
11681	dayOfMonthFormat: function(momOptions, fcOptions) {
11682		var format = momOptions.longDateFormat('l'); // for the format like "M/D/YYYY"
11683
11684		// strip the year off the edge, as well as other misc non-whitespace chars

11685		format = format.replace(/^Y+[^\w\s]*|[^\w\s]*Y+$/g, '');
11686
11687		if (fcOptions.isRTL) {
11688			format += ' ddd'; // for RTL, add day-of-week to end
11689		}
11690		else {
11691			format = 'ddd ' + format; // for LTR, add day-of-week to beginning
11692		}
11693		return format;
11694	},
11695
11696	// Produces format strings like "h:mma" -> "6:00pm"
11697	mediumTimeFormat: function(momOptions) { // can't be called `timeFormat` because collides with option
11698		return momOptions.longDateFormat('LT')
11699			.replace(/\s*a$/i, 'a'); // convert AM/PM/am/pm to lowercase. remove any spaces beforehand
11700	},
11701
11702	// Produces format strings like "h(:mm)a" -> "6pm" / "6:30pm"
11703	smallTimeFormat: function(momOptions) {
11704		return momOptions.longDateFormat('LT')
11705			.replace(':mm', '(:mm)')
11706			.replace(/(\Wmm)$/, '($1)') // like above, but for foreign locales
11707			.replace(/\s*a$/i, 'a'); // convert AM/PM/am/pm to lowercase. remove any spaces beforehand
11708	},
11709
11710	// Produces format strings like "h(:mm)t" -> "6p" / "6:30p"
11711	extraSmallTimeFormat: function(momOptions) {
11712		return momOptions.longDateFormat('LT')
11713			.replace(':mm', '(:mm)')
11714			.replace(/(\Wmm)$/, '($1)') // like above, but for foreign locales
11715			.replace(/\s*a$/i, 't'); // convert to AM/PM/am/pm to lowercase one-letter. remove any spaces beforehand
11716	},
11717
11718	// Produces format strings like "ha" / "H" -> "6pm" / "18"
11719	hourFormat: function(momOptions) {
11720		return momOptions.longDateFormat('LT')
11721			.replace(':mm', '')
11722			.replace(/(\Wmm)$/, '') // like above, but for foreign locales
11723			.replace(/\s*a$/i, 'a'); // convert AM/PM/am/pm to lowercase. remove any spaces beforehand
11724	},
11725
11726	// Produces format strings like "h:mm" -> "6:30" (with no AM/PM)
11727	noMeridiemTimeFormat: function(momOptions) {
11728		return momOptions.longDateFormat('LT')
11729			.replace(/\s*a$/i, ''); // remove trailing AM/PM
11730	}
11731
11732};
11733
11734
11735// options that should be computed off live calendar options (considers override options)
11736// TODO: best place for this? related to locale?
11737// TODO: flipping text based on isRTL is a bad idea because the CSS `direction` might want to handle it
11738var instanceComputableOptions = {
11739
11740	// Produces format strings for results like "Mo 16"
11741	smallDayDateFormat: function(options) {
11742		return options.isRTL ?
11743			'D dd' :
11744			'dd D';
11745	},
11746
11747	// Produces format strings for results like "Wk 5"
11748	weekFormat: function(options) {
11749		return options.isRTL ?
11750			'w[ ' + options.weekNumberTitle + ']' :
11751			'[' + options.weekNumberTitle + ' ]w';
11752	},
11753
11754	// Produces format strings for results like "Wk5"
11755	smallWeekFormat: function(options) {
11756		return options.isRTL ?
11757			'w[' + options.weekNumberTitle + ']' :
11758			'[' + options.weekNumberTitle + ']w';
11759	}
11760
11761};
11762
11763function populateInstanceComputableOptions(options) {
11764	$.each(instanceComputableOptions, function(name, func) {
11765		if (options[name] == null) {
11766			options[name] = func(options);
11767		}
11768	});
11769}
11770
11771
11772// Returns moment's internal locale data. If doesn't exist, returns English.
11773function getMomentLocaleData(localeCode) {
11774	return moment.localeData(localeCode) || moment.localeData('en');
11775}
11776
11777
11778// Initialize English by forcing computation of moment-derived options.
11779// Also, sets it as the default.
11780FC.locale('en', Calendar.englishDefaults);
11781
11782;;
11783
11784FC.sourceNormalizers = [];
11785FC.sourceFetchers = [];
11786
11787var ajaxDefaults = {
11788	dataType: 'json',
11789	cache: false
11790};
11791
11792var eventGUID = 1;
11793
11794
11795function EventManager() { // assumed to be a calendar
11796	var t = this;
11797
11798
11799	// exports
11800	t.requestEvents = requestEvents;
11801	t.reportEventChange = reportEventChange;
11802	t.isFetchNeeded = isFetchNeeded;
11803	t.fetchEvents = fetchEvents;
11804	t.fetchEventSources = fetchEventSources;
11805	t.refetchEvents = refetchEvents;
11806	t.refetchEventSources = refetchEventSources;
11807	t.getEventSources = getEventSources;
11808	t.getEventSourceById = getEventSourceById;
11809	t.addEventSource = addEventSource;
11810	t.removeEventSource = removeEventSource;
11811	t.removeEventSources = removeEventSources;
11812	t.updateEvent = updateEvent;
11813	t.updateEvents = updateEvents;
11814	t.renderEvent = renderEvent;
11815	t.renderEvents = renderEvents;
11816	t.removeEvents = removeEvents;
11817	t.clientEvents = clientEvents;
11818	t.mutateEvent = mutateEvent;
11819	t.normalizeEventDates = normalizeEventDates;
11820	t.normalizeEventTimes = normalizeEventTimes;
11821
11822
11823	// locals
11824	var stickySource = { events: [] };
11825	var sources = [ stickySource ];
11826	var rangeStart, rangeEnd;
11827	var pendingSourceCnt = 0; // outstanding fetch requests, max one per source
11828	var cache = []; // holds events that have already been expanded
11829	var prunedCache; // like cache, but only events that intersect with rangeStart/rangeEnd
11830
11831
11832	$.each(

11833		(t.options.events ? [ t.options.events ] : []).concat(t.options.eventSources || []),
11834		function(i, sourceInput) {
11835			var source = buildEventSource(sourceInput);
11836			if (source) {
11837				sources.push(source);
11838			}
11839		}
11840	);
11841
11842
11843
11844	function requestEvents(start, end) {
11845		if (!t.options.lazyFetching || isFetchNeeded(start, end)) {
11846			return fetchEvents(start, end);
11847		}
11848		else {
11849			return Promise.resolve(prunedCache);
11850		}
11851	}
11852
11853
11854	function reportEventChange() {
11855		prunedCache = filterEventsWithinRange(cache);
11856		t.trigger('eventsReset', prunedCache);
11857	}
11858
11859
11860	function filterEventsWithinRange(events) {
11861		var filteredEvents = [];
11862		var i, event;
11863
11864		for (i = 0; i < events.length; i++) {
11865			event = events[i];
11866
11867			if (
11868				event.start.clone().stripZone() < rangeEnd &&
11869				t.getEventEnd(event).stripZone() > rangeStart
11870			) {
11871				filteredEvents.push(event);
11872			}
11873		}
11874
11875		return filteredEvents;
11876	}
11877
11878
11879	t.getEventCache = function() {
11880		return cache;
11881	};
11882
11883
11884	t.getPrunedEventCache = function() {
11885		return prunedCache;
11886	};
11887
11888
11889
11890	/* Fetching
11891	-----------------------------------------------------------------------------*/
11892
11893
11894	// start and end are assumed to be unzoned
11895	function isFetchNeeded(start, end) {
11896		return !rangeStart || // nothing has been fetched yet?
11897			start < rangeStart || end > rangeEnd; // is part of the new range outside of the old range?
11898	}
11899
11900
11901	function fetchEvents(start, end) {
11902		rangeStart = start;
11903		rangeEnd = end;
11904		return refetchEvents();
11905	}
11906
11907
11908	// poorly named. fetches all sources with current `rangeStart` and `rangeEnd`.
11909	function refetchEvents() {
11910		return fetchEventSources(sources, 'reset');
11911	}
11912
11913
11914	// poorly named. fetches a subset of event sources.
11915	function refetchEventSources(matchInputs) {
11916		return fetchEventSources(getEventSourcesByMatchArray(matchInputs));
11917	}
11918
11919
11920	// expects an array of event source objects (the originals, not copies)
11921	// `specialFetchType` is an optimization parameter that affects purging of the event cache.
11922	function fetchEventSources(specificSources, specialFetchType) {
11923		var i, source;
11924
11925		if (specialFetchType === 'reset') {
11926			cache = [];
11927		}
11928		else if (specialFetchType !== 'add') {
11929			cache = excludeEventsBySources(cache, specificSources);
11930		}
11931
11932		for (i = 0; i < specificSources.length; i++) {
11933			source = specificSources[i];
11934
11935			// already-pending sources have already been accounted for in pendingSourceCnt
11936			if (source._status !== 'pending') {
11937				pendingSourceCnt++;
11938			}
11939
11940			source._fetchId = (source._fetchId || 0) + 1;
11941			source._status = 'pending';
11942		}
11943
11944		for (i = 0; i < specificSources.length; i++) {
11945			source = specificSources[i];
11946			tryFetchEventSource(source, source._fetchId);
11947		}
11948
11949		if (pendingSourceCnt) {
11950			return new Promise(function(resolve) {
11951				t.one('eventsReceived', resolve); // will send prunedCache
11952			});
11953		}
11954		else { // executed all synchronously, or no sources at all
11955			return Promise.resolve(prunedCache);
11956		}
11957	}
11958
11959
11960	// fetches an event source and processes its result ONLY if it is still the current fetch.
11961	// caller is responsible for incrementing pendingSourceCnt first.
11962	function tryFetchEventSource(source, fetchId) {
11963		_fetchEventSource(source, function(eventInputs) {
11964			var isArraySource = $.isArray(source.events);
11965			var i, eventInput;
11966			var abstractEvent;
11967
11968			if (
11969				// is this the source's most recent fetch?
11970				// if not, rely on an upcoming fetch of this source to decrement pendingSourceCnt
11971				fetchId === source._fetchId &&
11972				// event source no longer valid?
11973				source._status !== 'rejected'
11974			) {
11975				source._status = 'resolved';
11976
11977				if (eventInputs) {
11978					for (i = 0; i < eventInputs.length; i++) {
11979						eventInput = eventInputs[i];
11980
11981						if (isArraySource) { // array sources have already been convert to Event Objects
11982							abstractEvent = eventInput;
11983						}
11984						else {
11985							abstractEvent = buildEventFromInput(eventInput, source);
11986						}
11987
11988						if (abstractEvent) { // not false (an invalid event)
11989							cache.push.apply( // append
11990								cache,
11991								expandEvent(abstractEvent) // add individual expanded events to the cache
11992							);
11993						}
11994					}
11995				}
11996
11997				decrementPendingSourceCnt();
11998			}
11999		});
12000	}
12001
12002
12003	function rejectEventSource(source) {

12004		var wasPending = source._status === 'pending';
12005
12006		source._status = 'rejected';
12007
12008		if (wasPending) {
12009			decrementPendingSourceCnt();
12010		}
12011	}
12012
12013
12014	function decrementPendingSourceCnt() {
12015		pendingSourceCnt--;
12016		if (!pendingSourceCnt) {
12017			reportEventChange(cache); // updates prunedCache
12018			t.trigger('eventsReceived', prunedCache);
12019		}
12020	}
12021
12022
12023	function _fetchEventSource(source, callback) {
12024		var i;
12025		var fetchers = FC.sourceFetchers;
12026		var res;
12027
12028		for (i=0; i<fetchers.length; i++) {
12029			res = fetchers[i].call(
12030				t, // this, the Calendar object
12031				source,
12032				rangeStart.clone(),
12033				rangeEnd.clone(),
12034				t.options.timezone,
12035				callback
12036			);
12037
12038			if (res === true) {
12039				// the fetcher is in charge. made its own async request
12040				return;
12041			}
12042			else if (typeof res == 'object') {
12043				// the fetcher returned a new source. process it
12044				_fetchEventSource(res, callback);
12045				return;
12046			}
12047		}
12048
12049		var events = source.events;
12050		if (events) {
12051			if ($.isFunction(events)) {
12052				t.pushLoading();
12053				events.call(
12054					t, // this, the Calendar object
12055					rangeStart.clone(),
12056					rangeEnd.clone(),
12057					t.options.timezone,
12058					function(events) {
12059						callback(events);
12060						t.popLoading();
12061					}
12062				);
12063			}
12064			else if ($.isArray(events)) {
12065				callback(events);
12066			}
12067			else {
12068				callback();
12069			}
12070		}else{
12071			var url = source.url;
12072			if (url) {
12073				var success = source.success;
12074				var error = source.error;
12075				var complete = source.complete;
12076
12077				// retrieve any outbound GET/POST $.ajax data from the options
12078				var customData;
12079				if ($.isFunction(source.data)) {
12080					// supplied as a function that returns a key/value object
12081					customData = source.data();
12082				}
12083				else {
12084					// supplied as a straight key/value object
12085					customData = source.data;
12086				}
12087
12088				// use a copy of the custom data so we can modify the parameters
12089				// and not affect the passed-in object.
12090				var data = $.extend({}, customData || {});
12091
12092				var startParam = firstDefined(source.startParam, t.options.startParam);
12093				var endParam = firstDefined(source.endParam, t.options.endParam);
12094				var timezoneParam = firstDefined(source.timezoneParam, t.options.timezoneParam);
12095
12096				if (startParam) {
12097					data[startParam] = rangeStart.format();
12098				}
12099				if (endParam) {
12100					data[endParam] = rangeEnd.format();
12101				}
12102				if (t.options.timezone && t.options.timezone != 'local') {
12103					data[timezoneParam] = t.options.timezone;
12104				}
12105
12106				t.pushLoading();
12107				$.ajax($.extend({}, ajaxDefaults, source, {
12108					data: data,
12109					success: function(events) {
12110						events = events || [];
12111						var res = applyAll(success, this, arguments);
12112						if ($.isArray(res)) {
12113							events = res;
12114						}
12115						callback(events);
12116					},
12117					error: function() {
12118						applyAll(error, this, arguments);
12119						callback();
12120					},
12121					complete: function() {
12122						applyAll(complete, this, arguments);
12123						t.popLoading();
12124					}
12125				}));
12126			}else{
12127				callback();
12128			}
12129		}
12130	}
12131
12132
12133
12134	/* Sources
12135	-----------------------------------------------------------------------------*/
12136
12137
12138	function addEventSource(sourceInput) {
12139		var source = buildEventSource(sourceInput);
12140		if (source) {
12141			sources.push(source);
12142			fetchEventSources([ source ], 'add'); // will eventually call reportEventChange
12143		}
12144	}
12145
12146
12147	function buildEventSource(sourceInput) { // will return undefined if invalid source
12148		var normalizers = FC.sourceNormalizers;
12149		var source;
12150		var i;
12151
12152		if ($.isFunction(sourceInput) || $.isArray(sourceInput)) {
12153			source = { events: sourceInput };
12154		}
12155		else if (typeof sourceInput === 'string') {
12156			source = { url: sourceInput };
12157		}
12158		else if (typeof sourceInput === 'object') {
12159			source = $.extend({}, sourceInput); // shallow copy
12160		}
12161
12162		if (source) {
12163
12164			// TODO: repeat code, same code for event classNames
12165			if (source.className) {
12166				if (typeof source.className === 'string') {
12167					source.className = source.className.split(/\s+/);
12168				}
12169				// otherwise, assumed to be an array
12170			}
12171			else {
12172				source.className = [];
12173			}
12174
12175			// for array sources, we convert to standard Event Objects up front
12176			if ($.isArray(source.events)) {
12177				source.origArray = source.events; // for removeEventSource
12178				source.events = $.map(source.events, function(eventInput) {
12179					return buildEventFromInput(eventInput, source);
12180				});
12181			}
12182
12183			for (i=0; i<normalizers.length; i++) {
12184				normalizers[i].call(t, source);
12185			}
12186
12187			return source;
12188		}
12189	}
12190
12191
12192	function removeEventSource(matchInput) {
12193		removeSpecificEventSources(
12194			getEventSourcesByMatch(matchInput)
12195		);
12196	}
12197
12198
12199	// if called with no arguments, removes all.
12200	function removeEventSources(matchInputs) {
12201		if (matchInputs == null) {
12202			removeSpecificEventSources(sources, true); // isAll=true
12203		}
12204		else {
12205			removeSpecificEventSources(
12206				getEventSourcesByMatchArray(matchInputs)
12207			);
12208		}
12209	}
12210
12211
12212	function removeSpecificEventSources(targetSources, isAll) {
12213		var i;
12214
12215		// cancel pending requests
12216		for (i = 0; i < targetSources.length; i++) {
12217			rejectEventSource(targetSources[i]);
12218		}
12219
12220		if (isAll) { // an optimization
12221			sources = [];
12222			cache = [];
12223		}
12224		else {
12225			// remove from persisted source list
12226			sources = $.grep(sources, function(source) {
12227				for (i = 0; i < targetSources.length; i++) {
12228					if (source === targetSources[i]) {
12229						return false; // exclude
12230					}
12231				}
12232				return true; // include
12233			});
12234
12235			cache = excludeEventsBySources(cache, targetSources);
12236		}
12237
12238		reportEventChange();
12239	}
12240
12241
12242	function getEventSources() {
12243		return sources.slice(1); // returns a shallow copy of sources with stickySource removed
12244	}
12245
12246
12247	function getEventSourceById(id) {
12248		return $.grep(sources, function(source) {
12249			return source.id && source.id === id;
12250		})[0];
12251	}
12252
12253
12254	// like getEventSourcesByMatch, but accepts multple match criteria (like multiple IDs)
12255	function getEventSourcesByMatchArray(matchInputs) {
12256
12257		// coerce into an array
12258		if (!matchInputs) {
12259			matchInputs = [];
12260		}
12261		else if (!$.isArray(matchInputs)) {
12262			matchInputs = [ matchInputs ];
12263		}
12264
12265		var matchingSources = [];
12266		var i;
12267
12268		// resolve raw inputs to real event source objects
12269		for (i = 0; i < matchInputs.length; i++) {
12270			matchingSources.push.apply( // append
12271				matchingSources,
12272				getEventSourcesByMatch(matchInputs[i])
12273			);
12274		}
12275
12276		return matchingSources;
12277	}
12278
12279
12280	// matchInput can either by a real event source object, an ID, or the function/URL for the source.
12281	// returns an array of matching source objects.
12282	function getEventSourcesByMatch(matchInput) {
12283		var i, source;
12284
12285		// given an proper event source object
12286		for (i = 0; i < sources.length; i++) {
12287			source = sources[i];
12288			if (source === matchInput) {
12289				return [ source ];
12290			}
12291		}
12292
12293		// an ID match
12294		source = getEventSourceById(matchInput);
12295		if (source) {
12296			return [ source ];
12297		}
12298
12299		return $.grep(sources, function(source) {
12300			return isSourcesEquivalent(matchInput, source);
12301		});
12302	}
12303
12304
12305	function isSourcesEquivalent(source1, source2) {
12306		return source1 && source2 && getSourcePrimitive(source1) == getSourcePrimitive(source2);
12307	}
12308
12309
12310	function getSourcePrimitive(source) {
12311		return (
12312			(typeof source === 'object') ? // a normalized event source?
12313				(source.origArray || source.googleCalendarId || source.url || source.events) : // get the primitive
12314				null
12315		) ||
12316		source; // the given argument *is* the primitive
12317	}
12318
12319
12320	// util
12321	// returns a filtered array without events that are part of any of the given sources
12322	function excludeEventsBySources(specificEvents, specificSources) {
12323		return $.grep(specificEvents, function(event) {
12324			for (var i = 0; i < specificSources.length; i++) {
12325				if (event.source === specificSources[i]) {
12326					return false; // exclude
12327				}
12328			}
12329			return true; // keep
12330		});
12331	}
12332
12333
12334
12335	/* Manipulation
12336	-----------------------------------------------------------------------------*/
12337
12338
12339	// Only ever called from the externally-facing API
12340	function updateEvent(event) {
12341		updateEvents([ event ]);
12342	}
12343
12344
12345	// Only ever called from the externally-facing API
12346	function updateEvents(events) {
12347		var i, event;
12348
12349		for (i = 0; i < events.length; i++) {
12350			event = events[i];
12351
12352			// massage start/end values, even if date string values
12353			event.start = t.moment(event.start);

12354			if (event.end) {
12355				event.end = t.moment(event.end);
12356			}
12357			else {
12358				event.end = null;
12359			}
12360
12361			mutateEvent(event, getMiscEventProps(event)); // will handle start/end/allDay normalization
12362		}
12363
12364		reportEventChange(); // reports event modifications (so we can redraw)
12365	}
12366
12367
12368	// Returns a hash of misc event properties that should be copied over to related events.
12369	function getMiscEventProps(event) {
12370		var props = {};
12371
12372		$.each(event, function(name, val) {
12373			if (isMiscEventPropName(name)) {
12374				if (val !== undefined && isAtomic(val)) { // a defined non-object
12375					props[name] = val;
12376				}
12377			}
12378		});
12379
12380		return props;
12381	}
12382
12383	// non-date-related, non-id-related, non-secret
12384	function isMiscEventPropName(name) {
12385		return !/^_|^(id|allDay|start|end)$/.test(name);
12386	}
12387
12388
12389	// returns the expanded events that were created
12390	function renderEvent(eventInput, stick) {
12391		return renderEvents([ eventInput ], stick);
12392	}
12393
12394
12395	// returns the expanded events that were created
12396	function renderEvents(eventInputs, stick) {
12397		var renderedEvents = [];
12398		var renderableEvents;
12399		var abstractEvent;
12400		var i, j, event;
12401
12402		for (i = 0; i < eventInputs.length; i++) {
12403			abstractEvent = buildEventFromInput(eventInputs[i]);
12404
12405			if (abstractEvent) { // not false (a valid input)
12406				renderableEvents = expandEvent(abstractEvent);
12407
12408				for (j = 0; j < renderableEvents.length; j++) {
12409					event = renderableEvents[j];
12410
12411					if (!event.source) {
12412						if (stick) {
12413							stickySource.events.push(event);
12414							event.source = stickySource;
12415						}
12416						cache.push(event);
12417					}
12418				}
12419
12420				renderedEvents = renderedEvents.concat(renderableEvents);
12421			}
12422		}
12423
12424		if (renderedEvents.length) { // any new events rendered?
12425			reportEventChange();
12426		}
12427
12428		return renderedEvents;
12429	}
12430
12431
12432	function removeEvents(filter) {
12433		var eventID;
12434		var i;
12435
12436		if (filter == null) { // null or undefined. remove all events
12437			filter = function() { return true; }; // will always match
12438		}
12439		else if (!$.isFunction(filter)) { // an event ID
12440			eventID = filter + '';
12441			filter = function(event) {
12442				return event._id == eventID;
12443			};
12444		}
12445
12446		// Purge event(s) from our local cache
12447		cache = $.grep(cache, filter, true); // inverse=true
12448
12449		// Remove events from array sources.
12450		// This works because they have been converted to official Event Objects up front.
12451		// (and as a result, event._id has been calculated).
12452		for (i=0; i<sources.length; i++) {
12453			if ($.isArray(sources[i].events)) {
12454				sources[i].events = $.grep(sources[i].events, filter, true);
12455			}
12456		}
12457
12458		reportEventChange();
12459	}
12460
12461
12462	function clientEvents(filter) {
12463		if ($.isFunction(filter)) {
12464			return $.grep(cache, filter);
12465		}
12466		else if (filter != null) { // not null, not undefined. an event ID
12467			filter += '';
12468			return $.grep(cache, function(e) {
12469				return e._id == filter;
12470			});
12471		}
12472		return cache; // else, return all
12473	}
12474
12475
12476	// Makes sure all array event sources have their internal event objects
12477	// converted over to the Calendar's current timezone.
12478	t.rezoneArrayEventSources = function() {
12479		var i;
12480		var events;
12481		var j;
12482
12483		for (i = 0; i < sources.length; i++) {
12484			events = sources[i].events;
12485			if ($.isArray(events)) {
12486
12487				for (j = 0; j < events.length; j++) {
12488					rezoneEventDates(events[j]);
12489				}
12490			}
12491		}
12492	};
12493
12494	function rezoneEventDates(event) {
12495		event.start = t.moment(event.start);
12496		if (event.end) {
12497			event.end = t.moment(event.end);
12498		}
12499		backupEventDates(event);
12500	}
12501
12502
12503	/* Event Normalization
12504	-----------------------------------------------------------------------------*/
12505
12506
12507	// Given a raw object with key/value properties, returns an "abstract" Event object.
12508	// An "abstract" event is an event that, if recurring, will not have been expanded yet.
12509	// Will return `false` when input is invalid.
12510	// `source` is optional
12511	function buildEventFromInput(input, source) {
12512		var out = {};
12513		var start, end;
12514		var allDay;
12515
12516		if (t.options.eventDataTransform) {
12517			input = t.options.eventDataTransform(input);
12518		}
12519		if (source && source.eventDataTransform) {
12520			input = source.eventDataTransform(input);
12521		}
12522
12523		// Copy all properties over to the resulting object.
12524		// The special-case properties will be copied over afterwards.
12525		$.extend(out, input);
12526
12527		if (source) {
12528			out.source = source;
12529		}
12530
12531		out._id = input._id || (input.id === undefined ? '_fc' + eventGUID++ : input.id + '');
12532
12533		if (input.className) {
12534			if (typeof input.className == 'string') {
12535				out.className = input.className.split(/\s+/);
12536			}
12537			else { // assumed to be an array
12538				out.className = input.className;
12539			}
12540		}
12541		else {
12542			out.className = [];
12543		}
12544
12545		start = input.start || input.date; // "date" is an alias for "start"
12546		end = input.end;
12547
12548		// parse as a time (Duration) if applicable

12549		if (isTimeString(start)) {
12550			start = moment.duration(start);
12551		}
12552		if (isTimeString(end)) {
12553			end = moment.duration(end);
12554		}
12555
12556		if (input.dow || moment.isDuration(start) || moment.isDuration(end)) {
12557
12558			// the event is "abstract" (recurring) so don't calculate exact start/end dates just yet
12559			out.start = start ? moment.duration(start) : null; // will be a Duration or null
12560			out.end = end ? moment.duration(end) : null; // will be a Duration or null
12561			out._recurring = true; // our internal marker
12562		}
12563		else {
12564
12565			if (start) {
12566				start = t.moment(start);
12567				if (!start.isValid()) {
12568					return false;
12569				}
12570			}
12571
12572			if (end) {
12573				end = t.moment(end);
12574				if (!end.isValid()) {
12575					end = null; // let defaults take over
12576				}
12577			}
12578
12579			allDay = input.allDay;
12580			if (allDay === undefined) { // still undefined? fallback to default
12581				allDay = firstDefined(
12582					source ? source.allDayDefault : undefined,
12583					t.options.allDayDefault
12584				);
12585				// still undefined? normalizeEventDates will calculate it
12586			}
12587
12588			assignDatesToEvent(start, end, allDay, out);
12589		}
12590
12591		t.normalizeEvent(out); // hook for external use. a prototype method
12592
12593		return out;
12594	}
12595	t.buildEventFromInput = buildEventFromInput;
12596
12597
12598	// Normalizes and assigns the given dates to the given partially-formed event object.
12599	// NOTE: mutates the given start/end moments. does not make a copy.
12600	function assignDatesToEvent(start, end, allDay, event) {
12601		event.start = start;
12602		event.end = end;
12603		event.allDay = allDay;
12604		normalizeEventDates(event);
12605		backupEventDates(event);
12606	}
12607
12608
12609	// Ensures proper values for allDay/start/end. Accepts an Event object, or a plain object with event-ish properties.
12610	// NOTE: Will modify the given object.
12611	function normalizeEventDates(eventProps) {
12612
12613		normalizeEventTimes(eventProps);
12614
12615		if (eventProps.end && !eventProps.end.isAfter(eventProps.start)) {
12616			eventProps.end = null;
12617		}
12618
12619		if (!eventProps.end) {
12620			if (t.options.forceEventDuration) {
12621				eventProps.end = t.getDefaultEventEnd(eventProps.allDay, eventProps.start);
12622			}
12623			else {
12624				eventProps.end = null;
12625			}
12626		}
12627	}
12628
12629
12630	// Ensures the allDay property exists and the timeliness of the start/end dates are consistent
12631	function normalizeEventTimes(eventProps) {
12632		if (eventProps.allDay == null) {
12633			eventProps.allDay = !(eventProps.start.hasTime() || (eventProps.end && eventProps.end.hasTime()));
12634		}
12635
12636		if (eventProps.allDay) {
12637			eventProps.start.stripTime();
12638			if (eventProps.end) {
12639				// TODO: consider nextDayThreshold here? If so, will require a lot of testing and adjustment
12640				eventProps.end.stripTime();
12641			}
12642		}
12643		else {
12644			if (!eventProps.start.hasTime()) {
12645				eventProps.start = t.applyTimezone(eventProps.start.time(0)); // will assign a 00:00 time
12646			}
12647			if (eventProps.end && !eventProps.end.hasTime()) {
12648				eventProps.end = t.applyTimezone(eventProps.end.time(0)); // will assign a 00:00 time
12649			}
12650		}
12651	}
12652
12653
12654	// If the given event is a recurring event, break it down into an array of individual instances.
12655	// If not a recurring event, return an array with the single original event.
12656	// If given a falsy input (probably because of a failed buildEventFromInput call), returns an empty array.
12657	// HACK: can override the recurring window by providing custom rangeStart/rangeEnd (for businessHours).
12658	function expandEvent(abstractEvent, _rangeStart, _rangeEnd) {
12659		var events = [];
12660		var dowHash;
12661		var dow;
12662		var i;
12663		var date;
12664		var startTime, endTime;
12665		var start, end;
12666		var event;
12667
12668		_rangeStart = _rangeStart || rangeStart;
12669		_rangeEnd = _rangeEnd || rangeEnd;
12670
12671		if (abstractEvent) {
12672			if (abstractEvent._recurring) {
12673
12674				// make a boolean hash as to whether the event occurs on each day-of-week
12675				if ((dow = abstractEvent.dow)) {
12676					dowHash = {};
12677					for (i = 0; i < dow.length; i++) {
12678						dowHash[dow[i]] = true;
12679					}
12680				}
12681
12682				// iterate through every day in the current range
12683				date = _rangeStart.clone().stripTime(); // holds the date of the current day
12684				while (date.isBefore(_rangeEnd)) {
12685
12686					if (!dowHash || dowHash[date.day()]) { // if everyday, or this particular day-of-week
12687
12688						startTime = abstractEvent.start; // the stored start and end properties are times (Durations)
12689						endTime = abstractEvent.end; // "
12690						start = date.clone();
12691						end = null;
12692
12693						if (startTime) {
12694							start = start.time(startTime);
12695						}
12696						if (endTime) {
12697							end = date.clone().time(endTime);
12698						}
12699
12700						event = $.extend({}, abstractEvent); // make a copy of the original
12701						assignDatesToEvent(
12702							start, end,
12703							!startTime && !endTime, // allDay?
12704							event
12705						);
12706						events.push(event);
12707					}
12708
12709					date.add(1, 'days');
12710				}
12711			}
12712			else {
12713				events.push(abstractEvent); // return the original event. will be a one-item array
12714			}
12715		}
12716
12717		return events;
12718	}
12719	t.expandEvent = expandEvent;
12720
12721
12722
12723	/* Event Modification Math
12724	-----------------------------------------------------------------------------------------*/
12725
12726
12727	// Modifies an event and all related events by applying the given properties.
12728	// Special date-diffing logic is used for manipulation of dates.
12729	// If `props` does not contain start/end dates, the updated values are assumed to be the event's current start/end.
12730	// All date comparisons are done against the event's pristine _start and _end dates.
12731	// Returns an object with delta information and a function to undo all operations.
12732	// For making computations in a granularity greater than day/time, specify largeUnit.
12733	// NOTE: The given `newProps` might be mutated for normalization purposes.
12734	function mutateEvent(event, newProps, largeUnit) {
12735		var miscProps = {};
12736		var oldProps;
12737		var clearEnd;
12738		var startDelta;
12739		var endDelta;
12740		var durationDelta;

12741		var undoFunc;
12742
12743		// diffs the dates in the appropriate way, returning a duration
12744		function diffDates(date1, date0) { // date1 - date0
12745			if (largeUnit) {
12746				return diffByUnit(date1, date0, largeUnit);
12747			}
12748			else if (newProps.allDay) {
12749				return diffDay(date1, date0);
12750			}
12751			else {
12752				return diffDayTime(date1, date0);
12753			}
12754		}
12755
12756		newProps = newProps || {};
12757
12758		// normalize new date-related properties
12759		if (!newProps.start) {
12760			newProps.start = event.start.clone();
12761		}
12762		if (newProps.end === undefined) {
12763			newProps.end = event.end ? event.end.clone() : null;
12764		}
12765		if (newProps.allDay == null) { // is null or undefined?
12766			newProps.allDay = event.allDay;
12767		}
12768		normalizeEventDates(newProps);
12769
12770		// create normalized versions of the original props to compare against
12771		// need a real end value, for diffing
12772		oldProps = {
12773			start: event._start.clone(),
12774			end: event._end ? event._end.clone() : t.getDefaultEventEnd(event._allDay, event._start),
12775			allDay: newProps.allDay // normalize the dates in the same regard as the new properties
12776		};
12777		normalizeEventDates(oldProps);
12778
12779		// need to clear the end date if explicitly changed to null
12780		clearEnd = event._end !== null && newProps.end === null;
12781
12782		// compute the delta for moving the start date
12783		startDelta = diffDates(newProps.start, oldProps.start);
12784
12785		// compute the delta for moving the end date
12786		if (newProps.end) {
12787			endDelta = diffDates(newProps.end, oldProps.end);
12788			durationDelta = endDelta.subtract(startDelta);
12789		}
12790		else {
12791			durationDelta = null;
12792		}
12793
12794		// gather all non-date-related properties
12795		$.each(newProps, function(name, val) {
12796			if (isMiscEventPropName(name)) {
12797				if (val !== undefined) {
12798					miscProps[name] = val;
12799				}
12800			}
12801		});
12802
12803		// apply the operations to the event and all related events
12804		undoFunc = mutateEvents(
12805			clientEvents(event._id), // get events with this ID
12806			clearEnd,
12807			newProps.allDay,
12808			startDelta,
12809			durationDelta,
12810			miscProps
12811		);
12812
12813		return {
12814			dateDelta: startDelta,
12815			durationDelta: durationDelta,
12816			undo: undoFunc
12817		};
12818	}
12819
12820
12821	// Modifies an array of events in the following ways (operations are in order):
12822	// - clear the event's `end`
12823	// - convert the event to allDay
12824	// - add `dateDelta` to the start and end
12825	// - add `durationDelta` to the event's duration
12826	// - assign `miscProps` to the event
12827	//
12828	// Returns a function that can be called to undo all the operations.
12829	//
12830	// TODO: don't use so many closures. possible memory issues when lots of events with same ID.
12831	//
12832	function mutateEvents(events, clearEnd, allDay, dateDelta, durationDelta, miscProps) {
12833		var isAmbigTimezone = t.getIsAmbigTimezone();
12834		var undoFunctions = [];
12835
12836		// normalize zero-length deltas to be null
12837		if (dateDelta && !dateDelta.valueOf()) { dateDelta = null; }
12838		if (durationDelta && !durationDelta.valueOf()) { durationDelta = null; }
12839
12840		$.each(events, function(i, event) {
12841			var oldProps;
12842			var newProps;
12843
12844			// build an object holding all the old values, both date-related and misc.
12845			// for the undo function.
12846			oldProps = {
12847				start: event.start.clone(),
12848				end: event.end ? event.end.clone() : null,
12849				allDay: event.allDay
12850			};
12851			$.each(miscProps, function(name) {
12852				oldProps[name] = event[name];
12853			});
12854
12855			// new date-related properties. work off the original date snapshot.
12856			// ok to use references because they will be thrown away when backupEventDates is called.
12857			newProps = {
12858				start: event._start,
12859				end: event._end,
12860				allDay: allDay // normalize the dates in the same regard as the new properties
12861			};
12862			normalizeEventDates(newProps); // massages start/end/allDay
12863
12864			// strip or ensure the end date
12865			if (clearEnd) {
12866				newProps.end = null;
12867			}
12868			else if (durationDelta && !newProps.end) { // the duration translation requires an end date
12869				newProps.end = t.getDefaultEventEnd(newProps.allDay, newProps.start);
12870			}
12871
12872			if (dateDelta) {
12873				newProps.start.add(dateDelta);
12874				if (newProps.end) {
12875					newProps.end.add(dateDelta);
12876				}
12877			}
12878
12879			if (durationDelta) {
12880				newProps.end.add(durationDelta); // end already ensured above
12881			}
12882
12883			// if the dates have changed, and we know it is impossible to re

12883compute the
12884			// timezone offsets, strip the zone.
12885			if (
12886				isAmbigTimezone &&
12887				!newProps.allDay &&
12888				(dateDelta || durationDelta)
12889			) {
12890				newProps.start.stripZone();
12891				if (newProps.end) {
12892					newProps.end.stripZone();
12893				}
12894			}
12895
12896			$.extend(event, miscProps, newProps); // copy over misc props, then date-related props
12897			backupEventDates(event); // regenerate internal _start/_end/_allDay
12898
12899			undoFunctions.push(function() {
12900				$.extend(event, oldProps);
12901				backupEventDates(event); // regenerate internal _start/_end/_allDay
12902			});
12903		});
12904
12905		return function() {
12906			for (var i = 0; i < undoFunctions.length; i++) {
12907				undoFunctions[i]();
12908			}
12909		};
12910	}
12911
12912}
12913
12914
12915// returns an undo function
12916Calendar.prototype.mutateSeg = function(seg, newProps) {
12917	return this.mutateEvent(seg.event, newProps);
12918};
12919
12920
12921// hook for external libs to manipulate event properties upon creation.
12922// should manipulate the event in-place.
12923Calendar.prototype.normalizeEvent = function(event) {
12924};
12925
12926
12927// Does the given span (start, end, and other location information)
12928// fully contain the other?
12929Calendar.prototype.spanContainsSpan = function(outerSpan, innerSpan) {
12930	var eventStart = outerSpan.start.clone().stripZone();
12931	var eventEnd = this.getEventEnd(outerSpan).stripZone();
12932
12933	return innerSpan.start >= eventStart && innerSpan.end <= eventEnd;
12934};
12935
12936
12937// Returns a list of events that the given event should be compared against when being considered for a move to
12938// the specified span. Attached to the Calendar's prototype because EventManager is a mixin for a Calendar.
12939Calendar.prototype.getPeerEvents = function(span, event) {
12940	var cache = this.getEventCache();
12941	var peerEvents = [];
12942	var i, otherEvent;
12943
12944	for (i = 0; i < cache.length; i++) {
12945		otherEvent = cache[i];
12946		if (
12947			!event ||
12948			event._id !== otherEvent._id // don't compare the event to itself or other related [repeating] events
12949		) {
12950			peerEvents.push(otherEvent);
12951		}
12952	}
12953
12954	return peerEvents;
12955};
12956
12957
12958// updates the "backup" properties, which are preserved in order to compute diffs later on.
12959function backupEventDates(event) {
12960	event._allDay = event.allDay;
12961	event._start = event.start.clone();
12962	event._end = event.end ? event.end.clone() : null;
12963}
12964
12965
12966/* Overlapping / Constraining
12967-----------------------------------------------------------------------------------------*/
12968
12969
12970// Determines if the given event can be relocated to the given span (unzoned start/end with other misc data)
12971Calendar.prototype.isEventSpanAllowed = function(span, event) {
12972	var source = event.source || {};
12973
12974	var constraint = firstDefined(
12975		event.constraint,
12976		source.constraint,
12977		this.options.eventConstraint
12978	);
12979
12980	var overlap = firstDefined(
12981		event.overlap,
12982		source.overlap,
12983		this.options.eventOverlap
12984	);
12985
12986	return this.isSpanAllowed(span, constraint, overlap, event) &&
12987		(!this.options.eventAllow || this.options.eventAllow(span, event) !== false);
12988};
12989
12990
12991// Determines if an external event can be relocated to the given span (unzoned start/end with other misc data)
12992Calendar.prototype.isExternalSpanAllowed = function(eventSpan, eventLocation, eventProps) {
12993	var eventInput;
12994	var event;
12995
12996	// note: very similar logic is in View's reportExternalDrop
12997	if (eventProps) {
12998		eventInput = $.extend({}, eventProps, eventLocation);
12999		event = this.expandEvent(
13000			this.buildEventFromInput(eventInput)
13001		)[0];
13002	}
13003
13004	if (event) {
13005		return this.isEventSpanAllowed(eventSpan, event);
13006	}
13007	else { // treat it as a selection
13008
13009		return this.isSelectionSpanAllowed(eventSpan);
13010	}
13011};
13012
13013
13014// Determines the given span (unzoned start/end with other misc data) can be selected.
13015Calendar.prototype.isSelectionSpanAllowed = function(span) {
13016	return this.isSpanAllowed(span, this.options.selectConstraint, this.options.selectOverlap) &&
13017		(!this.options.selectAllow || this.options.selectAllow(span) !== false);
13018};
13019
13020
13021// Returns true if the given span (caused by an event drop/resize or a selection) is allowed to exist
13022// according to the constraint/overlap settings.
13023// `event` is not required if checking a selection.
13024Calendar.prototype.isSpanAllowed = function(span, constraint, overlap, event) {
13025	var constraintEvents;
13026	var anyContainment;
13027	var peerEvents;
13028	var i, peerEvent;
13029	var peerOverlap;
13030
13031	// the range must be fully contained by at least one of produced constraint events
13032	if (constraint != null) {
13033
13034		// not treated as an event! intermediate data structure
13035		// TODO: use ranges in the future
13036		constraintEvents = this.constraintToEvents(constraint);
13037		if (constraintEvents) { // not invalid
13038
13039			anyContainment = false;

13040			for (i = 0; i < constraintEvents.length; i++) {
13041				if (this.spanContainsSpan(constraintEvents[i], span)) {
13042					anyContainment = true;
13043					break;
13044				}
13045			}
13046
13047			if (!anyContainment) {
13048				return false;
13049			}
13050		}
13051	}
13052
13053	peerEvents = this.getPeerEvents(span, event);
13054
13055	for (i = 0; i < peerEvents.length; i++)  {
13056		peerEvent = peerEvents[i];
13057
13058		// there needs to be an actual intersection before disallowing anything
13059		if (this.eventIntersectsRange(peerEvent, span)) {
13060
13061			// evaluate overlap for the given range and short-circuit if necessary
13062			if (overlap === false) {
13063				return false;
13064			}
13065			// if the event's overlap is a test function, pass the peer event in question as the first param
13066			else if (typeof overlap === 'function' && !overlap(peerEvent, event)) {
13067				return false;
13068			}
13069
13070			// if we are computing if the given range is allowable for an event, consider the other event's
13071			// EventObject-specific or Source-specific `overlap` property
13072			if (event) {
13073				peerOverlap = firstDefined(
13074					peerEvent.overlap,
13075					(peerEvent.source || {}).overlap
13076					// we already considered the global `eventOverlap`
13077				);
13078				if (peerOverlap === false) {
13079					return false;
13080				}
13081				// if the peer event's overlap is a test function, pass the subject event as the first param
13082				if (typeof peerOverlap === 'function' && !peerOverlap(event, peerEvent)) {
13083					return false;
13084				}
13085			}
13086		}
13087	}
13088
13089	return true;
13090};
13091
13092
13093// Given an event input from the API, produces an array of event objects. Possible event inputs:
13094// 'businessHours'
13095// An event ID (number or string)
13096// An object with specific start/end dates or a recurring event (like what businessHours accepts)
13097Calendar.prototype.constraintToEvents = function(constraintInput) {
13098
13099	if (constraintInput === 'businessHours') {
13100		return this.getCurrentBusinessHourEvents();
13101	}
13102
13103	if (typeof constraintInput === 'object') {
13104		if (constraintInput.start != null) { // needs to be event-like input
13105			return this.expandEvent(this.buildEventFromInput(constraintInput));
13106		}
13107		else {
13108			return null; // invalid
13109		}
13110	}
13111
13112	return this.clientEvents(constraintInput); // probably an ID
13113};
13114
13115
13116// Does the event's date range intersect with the given range?
13117// start/end already assumed to have stripped zones :(
13118Calendar.prototype.eventIntersectsRange = function(event, range) {
13119	var eventStart = event.start.clone().stripZone();
13120	var eventEnd = this.getEventEnd(event).stripZone();
13121
13122	return range.start < eventEnd && range.end > eventStart;
13123};
13124
13125
13126/* Business Hours
13127-----------------------------------------------------------------------------------------*/
13128
13129var BUSINESS_HOUR_EVENT_DEFAULTS = {
13130	id: '_fcBusinessHours', // will relate events from different calls to expandEvent
13131	start: '09:00',
13132	end: '17:00',
13133	dow: [ 1, 2, 3, 4, 5 ], // monday - friday
13134	rendering: 'inverse-background'
13135	// classNames are defined in businessHoursSegClasses
13136};
13137
13138// Return events objects for business hours within the current view.
13139// Abuse of our event system :(
13140Calendar.prototype.getCurrentBusinessHourEvents = function(wholeDay) {
13141	return this.computeBusinessHourEvents(wholeDay, this.options.businessHours);
13142};
13143
13144// Given a raw input value from options, return events objects for business hours within the current view.
13145Calendar.prototype.computeBusinessHourEvents = function(wholeDay, input) {
13146	if (input === true) {
13147		return this.expandBusinessHourEvents(wholeDay, [ {} ]);
13148	}
13149	else if ($.isPlainObject(input)) {
13150		return this.expandBusinessHourEvents(wholeDay, [ input ]);
13151	}
13152	else if ($.isArray(input)) {
13153		return this.expandBusinessHourEvents(wholeDay, input, true);
13154	}
13155	else {
13156		return [];
13157	}
13158};
13159

13160// inputs expected to be an array of objects.
13161// if ignoreNoDow is true, will ignore entries that don't specify a day-of-week (dow) key.
13162Calendar.prototype.expandBusinessHourEvents = function(wholeDay, inputs, ignoreNoDow) {
13163	var view = this.getView();
13164	var events = [];
13165	var i, input;
13166
13167	for (i = 0; i < inputs.length; i++) {
13168		input = inputs[i];
13169
13170		if (ignoreNoDow && !input.dow) {
13171			continue;
13172		}
13173
13174		// give defaults. will make a copy
13175		input = $.extend({}, BUSINESS_HOUR_EVENT_DEFAULTS, input);
13176
13177		// if a whole-day series is requested, clear the start/end times
13178		if (wholeDay) {
13179			input.start = null;
13180			input.end = null;
13181		}
13182
13183		events.push.apply(events, // append
13184			this.expandEvent(
13185				this.buildEventFromInput(input),
13186				view.start,
13187				view.end
13188			)
13189		);
13190	}
13191
13192	return events;
13193};
13194
13195;;
13196
13197/* An abstract class for the "basic" views, as well as month view. Renders one or more rows of day cells.
13198----------------------------------------------------------------------------------------------------------------------*/
13199// It is a manager for a DayGrid subcomponent, which does most of the heavy lifting.
13200// It is responsible for managing width/height.
13201
13202var BasicView = FC.BasicView = View.extend({
13203
13204	scroller: null,
13205
13206	dayGridClass: DayGrid, // class the dayGrid will be instantiated from (overridable by subclasses)
13207	dayGrid: null, // the main subcomponent that does most of the heavy lifting
13208
13209	dayNumbersVisible: false, // display day numbers on each day cell?
13210	colWeekNumbersVisible: false, // display week numbers along the side?
13211	cellWeekNumbersVisible: false, // display week numbers in day cell?
13212
13213	weekNumberWidth: null, // width of all the week-number cells running down the side
13214
13215	headContainerEl: null, // div that hold's the dayGrid's rendered date header
13216	headRowEl: null, // the fake row element of the day-of-week header
13217
13218
13219	initialize: function() {
13220		this.dayGrid = this.instantiateDayGrid();
13221
13222		this.scroller = new Scroller({
13223			overflowX: 'hidden',
13224			overflowY: 'auto'
13225		});
13226	},
13227
13228
13229	// Generates the DayGrid object this view needs. Draws from this.dayGridClass
13230	instantiateDayGrid: function() {
13231		// generate a subclass on the fly with BasicView-specific behavior
13232		// TODO: cache this subclass
13233		var subclass = this.dayGridClass.extend(basicDayGridMethods);
13234
13235		return new subclass(this);
13236	},
13237
13238
13239	// Sets the display range and computes all necessary dates
13240	setRange: function(range) {
13241		View.prototype.setRange.call(this, range); // call the super-method
13242
13243		this.dayGrid.breakOnWeeks = /year|month|week/.test(this.intervalUnit); // do before setRange
13244		this.dayGrid.setRange(range);
13245	},
13246
13247
13248	// Compute the value to feed into setRange. Overrides superclass.
13249	computeRange: function(date) {
13250		var range = View.prototype.computeRange.call(this, date); // get value from the super-method
13251
13252		// year and month views should be aligned with weeks. this is already done for week
13253		if (/year|month/.test(range.intervalUnit)) {
13254			range.start.startOf('week');
13255			range.start = this.skipHiddenDays(range.start);
13256
13257			// make end-of-week if not already
13258			if (range.end.weekday()) {
13259				range.end.add(1, 'week').startOf('week');
13260				range.end = this.skipHiddenDays(range.end, -1, true); // exclusively move backwards
13261			}
13262		}
13263
13264		return range;
13265	},
13266
13267
13268	// Renders the view into `this.el`, which should already be assigned
13269	renderDates: function() {
13270
13271		this.dayNumbersVisible = this.dayGrid.rowCnt > 1; // TODO: make grid responsible
13272		if (this.opt('weekNumbers')) {
13273			if (this.opt('weekNumbersWithinDays')) {
13274				this.cellWeekNumbersVisible = true;
13275				this.colWeekNumbersVisible = false;
13276			}
13277			else {
13278				this.cellWeekNumbersVisible = false;
13279				this.colWeekNumbersVisible = true;
13280			};
13281		}
13282		this.dayGrid.numbersVisible = this.dayNumbersVisible ||
13283			this.cellWeekNumbersVisible || this.colWeekNumbersVisible;
13284
13285		this.el.addClass('fc-basic-view').html(this.renderSkeletonHtml());
13286		this.renderHead();
13287
13288		this.scroller.render();
13289		var dayGridContainerEl = this.scroller.el.addClass('fc-day-grid-container');
13290		var dayGridEl = $('<div class="fc-day-grid" />').appendTo(dayGridContainerEl);
13291		this.el.find('.fc-body > tr > td').append(dayGridContainerEl);
13292
13293		this.dayGrid.setElement(dayGridEl);
13294		this.dayGrid.renderDates(this.hasRigidRows());
13295	},
13296
13297
13298	// render the day-of-week headers
13299	renderHead: function() {
13300		this.headContainerEl =
13301			this.el.find('.fc-head-container')
13302				.html(this.dayGrid.renderHeadHtml());
13303		this.headRowEl = this.headContainerEl.find('.fc-row');
13304	},
13305
13306
13307	// Unrenders the content of the view. Since we haven't separated skeleton rendering from date rendering,
13308	// always completely kill the dayGrid's rendering.
13309	unrenderDates: function() {
13310		this.dayGrid.unrenderDates();
13311		this.dayGrid.removeElement();
13312		this.scroller.destroy();
13313	},
13314
13315
13316	renderBusinessHours: function() {
13317		this.dayGrid.renderBusinessHours();
13318	},
13319
13320
13321	unrenderBusinessHours: function() {
13322		this.dayGrid.unrenderBusinessHours();
13323	},
13324
13325
13326	// Builds the HTML skeleton for the view.
13327	// The day-grid component will render inside of a container defined by this HTML.
13328	renderSkeletonHtml: function() {
13329		return '' +
13330			'<table>' +
13331				'<thead class="fc-head">' +
13332					'<tr>' +
13333						'<td class="fc-head-container ' + this.widgetHeaderClass + '"></td>' +
13334					'</tr>' +
13335				'</thead>' +
13336				'<tbody class="fc-body">' +
13337					'<tr>' +
13338						'<td class="' + this.widgetContentClass + '"></td>' +
13339					'</tr>' +
13340				'</tbody>' +
13341			'</table>';
13342	},
13343
13344
13345	// Generates an HTML attribute string for setting the width of the week number column, if it is known
13346	weekNumberStyleAttr: function() {
13347		if (this.weekNumberWidth !== null) {
13348			return 'style="width:' + this.weekNumberWidth + 'px"';
13349		}
13350		return '';
13351	},
13352
13353
13354	// Determines whether each row should have a constant height
13355	hasRigidRows: function() {
13356		var eventLimit = this.opt('eventLimit');
13357		return eventLimit && typeof eventLimit !== 'number';
13358	},
13359
13360
13361	/* Dimensions
13362	------------------------------------------------------------------------------------------------------------------*/
13363
13364
13365	// Refreshes the horizontal dimensions of the view
13366	updateWidth: function() {
13367		if (this.colWeekNumbersVisible) {
13368			// Make sure all week number cells running down the side have the same width.
13369			// Record the width for cells created later.
13370			this.weekNumberWidth = matchCellWidths(
13371				this.el.find('.fc-week-number')
13372			);
13373		}
13374	},
13375
13376
13377	// Adjusts the vertical dimensions of the view to the specified values
13378	setHeight: function(totalHeight, isAuto) {
13379		var eventLimit = this.opt('eventLimit');
13380		var scrollerHeight;
13381		var scrollbarWidths;
13382
13383		// reset all heights to be natural
13384		this.scroller.clear();
13385		uncompensateScroll(this.headRowEl);
13386
13387		this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed
13388
13389		// is the event limit a constant level number?
13390		if (eventLimit && typeof eventLimit === 'number') {
13391			this.dayGrid.limitRows(eventLimit); // limit the levels first so the height can redistribute after
13392		}
13393
13394		// distribute the height to the rows
13395		// (totalHeight is a "recommended" value if isAuto)
13396		scrollerHeight = this.computeScrollerHeight(totalHeight);
13397		this.setGridHeight(scrollerHeight, isAuto);
13398
13399		// is the event limit dynamically calculated?
13400		if (eventLimit && typeof eventLimit !== 'number') {
13401			this.dayGrid.limitRows(eventLimit); // limit the levels after the grid's row heights have been set
13402		}
13403
13404		if (!isAuto) { // should we force dimensions of the scroll container?
13405
13406			this.scroller.setHeight(scrollerHeight);

13407			scrollbarWidths = this.scroller.getScrollbarWidths();
13408
13409			if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
13410
13411				compensateScroll(this.headRowEl, scrollbarWidths);
13412
13413				// doing the scrollbar compensation might have created text overflow which created more height. redo
13414				scrollerHeight = this.computeScrollerHeight(totalHeight);
13415				this.scroller.setHeight(scrollerHeight);
13416			}
13417
13418			// guarantees the same scrollbar widths
13419			this.scroller.lockOverflow(scrollbarWidths);
13420		}
13421	},
13422
13423
13424	// given a desired total height of the view, returns what the height of the scroller should be
13425	computeScrollerHeight: function(totalHeight) {
13426		return totalHeight -
13427			subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
13428	},
13429
13430
13431	// Sets the height of just the DayGrid component in this view
13432	setGridHeight: function(height, isAuto) {
13433		if (isAuto) {
13434			undistributeHeight(this.dayGrid.rowEls); // let the rows be their natural height with no expanding
13435		}
13436		else {
13437			distributeHeight(this.dayGrid.rowEls, height, true); // true = compensate for height-hogging rows
13438		}
13439	},
13440
13441
13442	/* Scroll
13443	------------------------------------------------------------------------------------------------------------------*/
13444
13445
13446	computeInitialScroll: function() {
13447		return { top: 0 };
13448	},
13449
13450
13451	queryScroll: function() {
13452		return { top: this.scroller.getScrollTop() };
13453	},
13454
13455
13456	setScroll: function(scroll) {
13457		this.scroller.setScrollTop(scroll.top);
13458	},
13459
13460
13461	/* Hit Areas
13462	------------------------------------------------------------------------------------------------------------------*/
13463	// forward all hit-related method calls to dayGrid
13464
13465
13466	hitsNeeded: function() {
13467		this.dayGrid.hitsNeeded();
13468	},
13469
13470
13471	hitsNotNeeded: function() {
13472		this.dayGrid.hitsNotNeeded();
13473	},
13474
13475
13476	prepareHits: function() {
13477		this.dayGrid.prepareHits();
13478	},
13479
13480
13481	releaseHits: function() {
13482		this.dayGrid.releaseHits();
13483	},
13484
13485
13486	queryHit: function(left, top) {
13487		return this.dayGrid.queryHit(left, top);
13488	},
13489
13490
13491	getHitSpan: function(hit) {
13492		return this.dayGrid.getHitSpan(hit);
13493	},
13494
13495
13496	getHitEl: function(hit) {
13497		return this.dayGrid.getHitEl(hit);
13498	},
13499
13500
13501	/* Events
13502	------------------------------------------------------------------------------------------------------------------*/
13503
13504
13505	// Renders the given events onto the view and populates the segments array
13506	renderEvents: function(events) {
13507		this.dayGrid.renderEvents(events);
13508
13509		this.updateHeight(); // must compensate for events that overflow the row
13510	},
13511
13512
13513	// Retrieves all segment objects that are rendered in the view
13514	getEventSegs: function() {
13515		return this.dayGrid.getEventSegs();
13516	},
13517
13518
13519	// Unrenders all event elements and clears internal segment data
13520	unrenderEvents: function() {
13521		this.dayGrid.unrenderEvents();
13522
13523		// we DON'T need to call updateHeight() because
13524		// a renderEvents() call always happens after this, which will eventually call updateHeight()
13525	},
13526
13527
13528	/* Dragging (for both events and external elements)
13529	------------------------------------------------------------------------------------------------------------------*/
13530
13531
13532	// A returned value of `true` signals that a mock "helper" event has been rendered.
13533	renderDrag: function(dropLocation, seg) {
13534		return this.dayGrid.renderDrag(dropLocation, seg);
13535	},
13536
13537
13538	unrenderDrag: function() {
13539		this.dayGrid.unrenderDrag();
13540	},
13541
13542
13543	/* Selection
13544	------------------------------------------------------------------------------------------------------------------*/
13545
13546
13547	// Renders a visual indication of a selection
13548	renderSelection: function(span) {
13549		this.dayGrid.renderSelection(span);
13550	},
13551
13552
13553	// Unrenders a visual indications of a selection
13554	unrenderSelection: function() {
13555		this.dayGrid.unrenderSelection();
13556	}
13557
13558});
13559
13560
13561// Methods that will customize the rendering behavior of the BasicView's dayGrid
13562var basicDayGridMethods = {
13563
13564
13565	// Generates the HTML that will go before the day-of week header cells
13566	renderHeadIntroHtml: function() {
13567		var view = this.view;
13568
13569		if (view.colWeekNumbersVisible) {
13570			return '' +
13571				'<th class="fc-week-number ' + view.widgetHeaderClass + '" ' + view.weekNumberStyleAttr() + '>' +
13572					'<span>' + // needed for matchCellWidths
13573						htmlEscape(view.opt('weekNumberTitle')) +
13574					'</span>' +
13575				'</th>';
13576		}
13577
13578		return '';
13579	},
13580
13581
13582	// Generates the HTML that will go before content-skeleton cells that display the day/week numbers
13583	renderNumberIntroHtml: function(row) {
13584		var view = this.view;
13585		var weekStart = this.getCellDate(row, 0);
13586
13587		if (view.colWeekNumbersVisible) {
13588			return '' +
13589				'<td class="fc-week-number" ' + view.weekNumberStyleAttr() + '>' +
13590					view.buildGotoAnchorHtml( // aside from link, important for matchCellWidths
13591						{ date: weekStart, type: 'week', forceOff: this.colCnt === 1 },
13592						weekStart.format('w') // inner HTML
13593					) +
13594				'</td>';
13595		}
13596
13597		return '';
13598	},
13599
13600
13601	// Generates the HTML that goes before the day bg cells for each day-row
13602	renderBgIntroHtml: function() {
13603		var view = this.view;
13604
13605		if (view.colWeekNumbersVisible) {
13606			return '<td class="fc-week-number ' + view.widgetContentClass + '" ' +
13607				view.weekNumberStyleAttr() + '></td>';
13608		}
13609
13610		return '';
13611	},
13612
13613
13614	// Generates the HTML that goes before every other type of row generated by DayGrid.
13615	// Affects helper-skeleton and highlight-skeleton rows.
13616	renderIntroHtml: function() {
13617		var view = this.view;
13618
13619		if (view.colWeekNumbersVisible) {
13620			return '<td class="fc-week-number" ' + view.weekNumberStyleAttr() + '></td>';
13621		}
13622
13623		return '';
13624	}
13625
13626};
13627
13628;;
13629
13630/* A month view with day cells running in rows (one-per-week) and columns
13631----------------------------------------------------------------------------------------------------------------------*/
13632
13633var MonthView = FC.MonthView = BasicView.extend({
13634
13635	// Produces information about what range to display
13636	computeRange: function(date) {
13637		var range = BasicView.prototype.computeRange.call(this, date); // get value from super-method
13638		var rowCnt;
13639
13640		// ensure 6 weeks
13641		if (this.isFixedWeeks()) {

13642			rowCnt = Math.ceil(range.end.diff(range.start, 'weeks', true)); // could be partial weeks due to hiddenDays
13643			range.end.add(6 - rowCnt, 'weeks');
13644		}
13645
13646		return range;
13647	},
13648
13649
13650	// Overrides the default BasicView behavior to have special multi-week auto-height logic
13651	setGridHeight: function(height, isAuto) {
13652
13653		// if auto, make the height of each row the height that it would be if there were 6 weeks
13654		if (isAuto) {
13655			height *= this.rowCnt / 6;
13656		}
13657
13658		distributeHeight(this.dayGrid.rowEls, height, !isAuto); // if auto, don't compensate for height-hogging rows
13659	},
13660
13661
13662	isFixedWeeks: function() {
13663		return this.opt('fixedWeekCount');
13664	}
13665
13666});
13667
13668;;
13669
13670fcViews.basic = {
13671	'class': BasicView
13672};
13673
13674fcViews.basicDay = {
13675	type: 'basic',
13676	duration: { days: 1 }
13677};
13678
13679fcViews.basicWeek = {
13680	type: 'basic',
13681	duration: { weeks: 1 }
13682};
13683
13684fcViews.month = {
13685	'class': MonthView,
13686	duration: { months: 1 }, // important for prev/next
13687	defaults: {
13688		fixedWeekCount: true
13689	}
13690};
13691;;
13692
13693/* An abstract class for all agenda-related views. Displays one more columns with time slots running vertically.
13694----------------------------------------------------------------------------------------------------------------------*/
13695// Is a manager for the TimeGrid subcomponent and possibly the DayGrid subcomponent (if allDaySlot is on).
13696// Responsible for managing width/height.
13697
13698var AgendaView = FC.AgendaView = View.extend({
13699
13700	scroller: null,
13701
13702	timeGridClass: TimeGrid, // class used to instantiate the timeGrid. subclasses can override
13703	timeGrid: null, // the main time-grid subcomponent of this view
13704
13705	dayGridClass: DayGrid, // class used to instantiate the dayGrid. subclasses can override
13706	dayGrid: null, // the "all-day" subcomponent. if all-day is turned off, this will be null
13707
13708	axisWidth: null, // the width of the time axis running down the side
13709
13710	headContainerEl: null, // div that hold's the timeGrid's rendered date header
13711	noScrollRowEls: null, // set of fake row elements that must compensate when scroller has scrollbars
13712
13713	// when the time-grid isn't tall enough to occupy the given height, we render an <hr> underneath
13714	bottomRuleEl: null,
13715
13716
13717	initialize: function() {
13718		this.timeGrid = this.instantiateTimeGrid();
13719
13720		if (this.opt('allDaySlot')) { // should we display the "all-day" area?
13721			this.dayGrid = this.instantiateDayGrid(); // the all-day subcomponent of this view
13722		}
13723
13724		this.scroller = new Scroller({
13725			overflowX: 'hidden',
13726			overflowY: 'auto'
13727		});
13728	},
13729
13730
13731	// Instantiates the TimeGrid object this view needs. Draws from this.timeGridClass
13732	instantiateTimeGrid: function() {
13733		var subclass = this.timeGridClass.extend(agendaTimeGridMethods);
13734
13735		return new subclass(this);
13736	},
13737
13738
13739	// Instantiates the DayGrid object this view might need. Draws from this.dayGridClass
13740	instantiateDayGrid: function() {
13741		var subclass = this.dayGridClass.extend(agendaDayGridMethods);
13742
13743		return new subclass(this);
13744	},
13745
13746
13747	/* Rendering
13748	------------------------------------------------------------------------------------------------------------------*/
13749
13750
13751	// Sets the display range and computes all necessary dates
13752	setRange: function(range) {
13753		View.prototype.setRange.call(this, range); // call the super-method
13754
13755		this.timeGrid.setRange(range);
13756		if (this.dayGrid) {
13757			this.dayGrid.setRange(range);
13758		}
13759	},
13760
13761
13762	// Renders the view into `this.el`, which has already been assigned
13763	renderDates: function() {
13764
13765		this.el.addClass('fc-agenda-view').html(this.renderSkeletonHtml());
13766		this.renderHead();
13767
13768		this.scroller.render();
13769		var timeGridWrapEl = this.scroller.el.addClass('fc-time-grid-container');
13770		var timeGridEl = $('<div class="fc-time-grid" />').appendTo(timeGridWrapEl);
13771		this.el.find('.fc-body > tr > td').append(timeGridWrapEl);
13772
13773		this.timeGrid.setElement(timeGridEl);
13774		this.timeGrid.renderDates();
13775
13776		// the <hr> that sometimes displays under the time-grid
13777		this.bottomRuleEl = $('<hr class="fc-divider ' + this.widgetHeaderClass + '"/>')
13778			.appendTo(this.timeGrid.el); // inject it into the time-grid
13779
13780		if (this.dayGrid) {
13781			this.dayGrid.setElement(this.el.find('.fc-day-grid'));
13782			this.dayGrid.renderDates();
13783
13784			// have the day-grid extend it's coordinate area over the <hr> dividing the two grids
13785			this.dayGrid.bottomCoordPadding = this.dayGrid.el.next('hr').outerHeight();
13786		}
13787
13788		this.noScrollRowEls = this.el.find('.fc-row:not(.fc-scroller *)'); // fake rows not within the scroller
13789	},
13790
13791
13792	// render the day-of-week headers
13793	renderHead: function() {
13794		this.headContainerEl =
13795			this.el.find('.fc-head-container')
13796				.html(this.timeGrid.renderHeadHtml());
13797	},
13798
13799
13800	// Unrenders the content of the view. Since we haven't separated skeleton rendering from date rendering,
13801	// always completely kill each grid's rendering.
13802	unrenderDates: function() {
13803		this.timeGrid.unrenderDates();
13804		this.timeGrid.removeElement();
13805
13806		if (this.dayGrid) {
13807			this.dayGrid.unrenderDates();
13808			this.dayGrid.removeElement();
13809		}
13810
13811		this.scroller.destroy();
13812	},
13813
13814
13815	// Builds the HTML skeleton for the view.
13816	// The day-grid and time-grid components will render inside containers defined by this HTML.
13817	renderSkeletonHtml: function() {
13818		return '' +
13819			'<table>' +
13820				'<thead class="fc-head">' +
13821					'<tr>' +
13822						'<td class="fc-head-container ' + this.widgetHeaderClass + '"></td>' +
13823					'</tr>' +
13824				'</thead>' +
13825				'<tbody class="fc-body">' +
13826					'<tr>' +
13827						'<td class="' + this.widgetContentClass + '">' +
13828							(this.dayGrid ?
13829								'<div class="fc-day-grid"/>' +
13830								'<hr class="fc-divider ' + this.widgetHeaderClass + '"/>' :
13831								''
13832								) +
13833						'</td>' +
13834					'</tr>' +
13835				'</tbody>' +
13836			'</table>';
13837	},
13838
13839
13840	// Generates an HTML attribute string for setting the width of the axis, if it is known
13841	axisStyleAttr: function() {
13842		if (this.axisWidth !== null) {
13843			 return 'style="width:' + this.axisWidth + 'px"';
13844		}
13845		return '';
13846	},
13847
13848
13849	/* Business Hours
13850	------------------------------------------------------------------------------------------------------------------*/
13851
13852
13853	renderBusinessHours: function() {
13854		this.timeGrid.renderBusinessHours();
13855
13856		if (this.dayGrid) {
13857			this.dayGrid.renderBusinessHours();
13858		}
13859	},
13860
13861
13862	unrenderBusinessHours: function() {
13863		this.timeGrid.unrenderBusinessHours();
13864
13865		if (this.dayGrid) {
13866			this.dayGrid.unrenderBusinessHours();
13867		}
13868	},
13869
13870
13871	/* Now Indicator
13872	------------------------------------------------------------------------------------------------------------------*/
13873
13874
13875	getNowIndicatorUnit: function() {
13876		return this.timeGrid.getNowIndicatorUnit();
13877	},
13878
13879
13880	renderNowIndicator: function(date) {
13881		this.timeGrid.renderNowIndicator(date);
13882	},
13883
13884
13885	unrenderNowIndicator: function() {
13886		this.timeGrid.unrenderNowIndicator();
13887	},
13888
13889
13890	/* Dimensions
13891	------------------------------------------------------------------------------------------------------------------*/
13892
13893
13894	updateSize: function(isResize) {
13895		this.timeGrid.updateSize(isResize);
13896
13897		View.prototype.updateSize.call(this, isResize); // call the super-method
13898	},
13899
13900
13901	// Refreshes the horizontal dimensions of the view
13902	updateWidth: function() {
13903		// make all axis cells line up, and record the width so newly created axis cells will have it
13904		this.axisWidth = matchCellWidths(this.el.find('.fc-axis'));
13905	},
13906
13907
13908	// Adjusts the vertical dimensions of the view to the specified values
13909	setHeight: function(totalHeight, isAuto) {
13910		var eventLimit;
13911		var scrollerHeight;
13912		var scrollbarWidths;
13913
13914		// reset all dimensions back to the original state
13915		this.bottomRuleEl.hide(); // .show() will be called later if this <hr> is necessary
13916		this.scroller.clear(); // sets height to 'auto' and clears overflow
13917		uncompensateScroll(this.noScrollRowEls);
13918
13919		// limit number of events in the all-day area
13920		if (this.dayGrid) {
13921			this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed
13922
13923			eventLimit = this.opt('eventLimit');
13924			if (eventLimit && typeof eventLimit !== 'number') {
13925				eventLimit = AGENDA_ALL_DAY_EVENT_LIMIT; // make sure "auto" goes to a real number
13926			}
13927			if (eventLimit) {
13928				this.dayGrid.limitRows(eventLimit);
13929			}
13930		}
13931
13932		if (!isAuto) { // should we force dimensions of the scroll container?
13933
13934			scrollerHeight = this.computeScrollerHeight(totalHeight);
13935			this.scroller.setHeight(scrollerHeight);

13936			scrollbarWidths = this.scroller.getScrollbarWidths();
13937
13938			if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
13939
13940				// make the all-day and header rows lines up
13941				compensateScroll(this.noScrollRowEls, scrollbarWidths);
13942
13943				// the scrollbar compensation might have changed text flow, which might affect height, so recalculate
13944				// and reapply the desired height to the scroller.
13945				scrollerHeight = this.computeScrollerHeight(totalHeight);
13946				this.scroller.setHeight(scrollerHeight);
13947			}
13948
13949			// guarantees the same scrollbar widths
13950			this.scroller.lockOverflow(scrollbarWidths);
13951
13952			// if there's any space below the slats, show the horizontal rule.
13953			// this won't cause any new overflow, because lockOverflow already called.
13954			if (this.timeGrid.getTotalSlatHeight() < scrollerHeight) {
13955				this.bottomRuleEl.show();
13956			}
13957		}
13958	},
13959
13960
13961	// given a desired total height of the view, returns what the height of the scroller should be
13962	computeScrollerHeight: function(totalHeight) {
13963		return totalHeight -
13964			subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
13965	},
13966
13967
13968	/* Scroll
13969	------------------------------------------------------------------------------------------------------------------*/
13970
13971
13972	// Computes the initial pre-configured scroll state prior to allowing the user to change it
13973	computeInitialScroll: function() {
13974		var scrollTime = moment.duration(this.opt('scrollTime'));
13975		var top = this.timeGrid.computeTimeTop(scrollTime);
13976
13977		// zoom can give weird floating-point values. rather scroll a little bit further
13978		top = Math.ceil(top);
13979
13980		if (top) {
13981			top++; // to overcome top border that slots beyond the first have. looks better
13982		}
13983
13984		return { top: top };
13985	},
13986
13987
13988	queryScroll: function() {
13989		return { top: this.scroller.getScrollTop() };
13990	},
13991
13992
13993	setScroll: function(scroll) {
13994		this.scroller.setScrollTop(scroll.top);
13995	},
13996
13997
13998	/* Hit Areas
13999	------------------------------------------------------------------------------------------------------------------*/
14000	// forward all hit-related method calls to the grids (dayGrid might not be defined)
14001
14002
14003	hitsNeeded: function() {
14004		this.timeGrid.hitsNeeded();
14005		if (this.dayGrid) {
14006			this.dayGrid.hitsNeeded();
14007		}
14008	},
14009
14010
14011	hitsNotNeeded: function() {
14012		this.timeGrid.hitsNotNeeded();
14013		if (this.dayGrid) {
14014			this.dayGrid.hitsNotNeeded();
14015		}
14016	},
14017
14018
14019	prepareHits: function() {
14020		this.timeGrid.prepareHits();
14021		if (this.dayGrid) {
14022			this.dayGrid.prepareHits();
14023		}
14024	},
14025
14026
14027	releaseHits: function() {
14028		this.timeGrid.releaseHits();
14029		if (this.dayGrid) {
14030			this.dayGrid.releaseHits();
14031		}
14032	},
14033
14034
14035	queryHit: function(left, top) {
14036		var hit = this.timeGrid.queryHit(left, top);
14037
14038		if (!hit && this.dayGrid) {
14039			hit = this.dayGrid.queryHit(left, top);
14040		}
14041
14042		return hit;
14043	},
14044
14045
14046	getHitSpan: function(hit) {
14047		// TODO: hit.component is set as a hack to identify where the hit came from
14048		return hit.component.getHitSpan(hit);
14049	},
14050
14051
14052	getHitEl: function(hit) {
14053		// TODO: hit.component is set as a hack to identify where the hit came from
14054		return hit.component.getHitEl(hit);
14055	},
14056
14057
14058	/* Events
14059	------------------------------------------------------------------------------------------------------------------*/
14060
14061
14062	// Renders events onto the view and populates the View's segment array
14063	renderEvents: function(events) {
14064		var dayEvents = [];
14065		var timedEvents = [];
14066		var daySegs = [];
14067		var timedSegs;
14068		var i;
14069
14070		// separate the events into all-day and timed
14071		for (i = 0; i < events.length; i++) {
14072			if (events[i].allDay) {
14073				dayEvents.push(events[i]);
14074			}
14075			else {
14076				timedEvents.push(events[i]);
14077			}
14078		}
14079
14080		// render the events in the subcomponents
14081		timedSegs = this.timeGrid.renderEvents(timedEvents);
14082		if (this.dayGrid) {
14083			daySegs = this.dayGrid.renderEvents(dayEvents);
14084		}
14085
14086		// the all-day area is flexible and might have a lot of events, so shift the height
14087		this.updateHeight();
14088	},
14089
14090
14091	// Retrieves all segment objects that are rendered in the view
14092	getEventSegs: function() {
14093		return this.timeGrid.getEventSegs().concat(
14094			this.dayGrid ? this.dayGrid.getEventSegs() : []
14095		);
14096	},
14097
14098
14099	// Unrenders all event elements and clears internal segment data
14100	unrenderEvents: function() {
14101
14102		// unrender the events in the subcomponents
14103		this.timeGrid.unrenderEvents();
14104		if (this.dayGrid) {
14105			this.dayGrid.unrenderEvents();
14106		}
14107
14108		// we DON'T need to call updateHeight() because
14109		// a renderEvents() call always happens after this, which will eventually call updateHeight()
14110	},
14111
14112
14113	/* Dragging (for events and external elements)
14114	------------------------------------------------------------------------------------------------------------------*/
14115
14116
14117	// A returned value of `true` signals that a mock "helper" event has been rendered.
14118	renderDrag: function(dropLocation, seg) {
14119		if (dropLocation.start.hasTime()) {
14120			return this.timeGrid.renderDrag(dropLocation, seg);
14121		}
14122		else if (this.dayGrid) {
14123			return this.dayGrid.renderDrag(dropLocation, seg);
14124		}
14125	},
14126
14127
14128	unrenderDrag: function() {
14129		this.timeGrid.unrenderDrag();
14130		if (this.dayGrid) {
14131			this.dayGrid.unrenderDrag();
14132		}
14133	},
14134
14135
14136	/* Selection
14137	------------------------------------------------------------------------------------------------------------------*/
14138
14139
14140	// Renders a visual indication of a selection

14141	renderSelection: function(span) {
14142		if (span.start.hasTime() || span.end.hasTime()) {
14143			this.timeGrid.renderSelection(span);
14144		}
14145		else if (this.dayGrid) {
14146			this.dayGrid.renderSelection(span);
14147		}
14148	},
14149
14150
14151	// Unrenders a visual indications of a selection
14152	unrenderSelection: function() {
14153		this.timeGrid.unrenderSelection();
14154		if (this.dayGrid) {
14155			this.dayGrid.unrenderSelection();
14156		}
14157	}
14158
14159});
14160
14161
14162// Methods that will customize the rendering behavior of the AgendaView's timeGrid
14163// TODO: move into TimeGrid
14164var agendaTimeGridMethods = {
14165
14166
14167	// Generates the HTML that will go before the day-of week header cells
14168	renderHeadIntroHtml: function() {
14169		var view = this.view;
14170		var weekText;
14171
14172		if (view.opt('weekNumbers')) {
14173			weekText = this.start.format(view.opt('smallWeekFormat'));
14174
14175			return '' +
14176				'<th class="fc-axis fc-week-number ' + view.widgetHeaderClass + '" ' + view.axisStyleAttr() + '>' +
14177					view.buildGotoAnchorHtml( // aside from link, important for matchCellWidths
14178						{ date: this.start, type: 'week', forceOff: this.colCnt > 1 },
14179						htmlEscape(weekText) // inner HTML
14180					) +
14181				'</th>';
14182		}
14183		else {
14184			return '<th class="fc-axis ' + view.widgetHeaderClass + '" ' + view.axisStyleAttr() + '></th>';
14185		}
14186	},
14187
14188
14189	// Generates the HTML that goes before the bg of the TimeGrid slot area. Long vertical column.
14190	renderBgIntroHtml: function() {
14191		var view = this.view;
14192
14193		return '<td class="fc-axis ' + view.widgetContentClass + '" ' + view.axisStyleAttr() + '></td>';
14194	},
14195
14196
14197	// Generates the HTML that goes before all other types of cells.
14198	// Affects content-skeleton, helper-skeleton, highlight-skeleton for both the time-grid and day-grid.
14199	renderIntroHtml: function() {
14200		var view = this.view;
14201
14202		return '<td class="fc-axis" ' + view.axisStyleAttr() + '></td>';
14203	}
14204
14205};
14206
14207
14208// Methods that will customize the rendering behavior of the AgendaView's dayGrid
14209var agendaDayGridMethods = {
14210
14211
14212	// Generates the HTML that goes before the all-day cells
14213	renderBgIntroHtml: function() {
14214		var view = this.view;
14215
14216		return '' +
14217			'<td class="fc-axis ' + view.widgetContentClass + '" ' + view.axisStyleAttr() + '>' +
14218				'<span>' + // needed for matchCellWidths
14219					view.getAllDayHtml() +
14220				'</span>' +
14221			'</td>';
14222	},
14223
14224
14225	// Generates the HTML that goes before all other types of cells.
14226	// Affects content-skeleton, helper-skeleton, highlight-skeleton for both the time-grid and day-grid.
14227	renderIntroHtml: function() {
14228		var view = this.view;
14229
14230		return '<td class="fc-axis" ' + view.axisStyleAttr() + '></td>';
14231	}
14232
14233};
14234
14235;;
14236
14237var AGENDA_ALL_DAY_EVENT_LIMIT = 5;
14238
14239// potential nice values for the slot-duration and interval-duration
14240// from largest to smallest
14241var AGENDA_STOCK_SUB_DURATIONS = [
14242	{ hours: 1 },
14243	{ minutes: 30 },
14244	{ minutes: 15 },
14245	{ seconds: 30 },
14246	{ seconds: 15 }
14247];
14248
14249fcViews.agenda = {
14250	'class': AgendaView,
14251	defaults: {
14252		allDaySlot: true,
14253		slotDuration: '00:30:00',
14254		minTime: '00:00:00',
14255		maxTime: '24:00:00',
14256		slotEventOverlap: true // a bad name. confused with overlap/constraint system
14257	}
14258};
14259
14260fcViews.agendaDay = {
14261	type: 'agenda',
14262	duration: { days: 1 }
14263};
14264
14265fcViews.agendaWeek = {
14266	type: 'agenda',
14267	duration: { weeks: 1 }
14268};
14269;;
14270
14271/*
14272Responsible for the scroller, and forwarding event-related actions into the "grid"
14273*/
14274var ListView = View.extend({
14275
14276	grid: null,
14277	scroller: null,
14278
14279	initialize: function() {
14280		this.grid = new ListViewGrid(this);
14281		this.scroller = new Scroller({
14282			overflowX: 'hidden',
14283			overflowY: 'auto'
14284		});
14285	},
14286
14287	setRange: function(range) {
14288		View.prototype.setRange.call(this, range); // super
14289
14290		this.grid.setRange(range); // needs to process range-related options
14291	},
14292
14293	renderSkeleton: function() {
14294		this.el.addClass(
14295			'fc-list-view ' +
14296			this.widgetContentClass
14297		);
14298
14299		this.scroller.render();
14300		this.scroller.el.appendTo(this.el);
14301
14302		this.grid.setElement(this.scroller.scrollEl);
14303	},
14304
14305	unrenderSkeleton: function() {
14306		this.scroller.destroy(); // will remove the Grid too
14307	},
14308
14309	setHeight: function(totalHeight, isAuto) {
14310		this.scroller.setHeight(this.computeScrollerHeight(totalHeight));
14311	},
14312
14313	computeScrollerHeight: function(totalHeight) {
14314		return totalHeight -

14315			subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
14316	},
14317
14318	renderEvents: function(events) {
14319		this.grid.renderEvents(events);
14320	},
14321
14322	unrenderEvents: function() {
14323		this.grid.unrenderEvents();
14324	},
14325
14326	isEventResizable: function(event) {
14327		return false;
14328	},
14329
14330	isEventDraggable: function(event) {
14331		return false;
14332	}
14333
14334});
14335
14336/*
14337Responsible for event rendering and user-interaction.
14338Its "el" is the inner-content of the above view's scroller.
14339*/
14340var ListViewGrid = Grid.extend({
14341
14342	segSelector: '.fc-list-item', // which elements accept event actions
14343	hasDayInteractions: false, // no day selection or day clicking
14344
14345	// slices by day
14346	spanToSegs: function(span) {
14347		var view = this.view;
14348		var dayStart = view.start.clone().time(0); // timed, so segs get times!
14349		var dayIndex = 0;
14350		var seg;
14351		var segs = [];
14352
14353		while (dayStart < view.end) {
14354
14355			seg = intersectRanges(span, {
14356				start: dayStart,
14357				end: dayStart.clone().add(1, 'day')
14358			});
14359
14360			if (seg) {
14361				seg.dayIndex = dayIndex;
14362				segs.push(seg);
14363			}
14364
14365			dayStart.add(1, 'day');
14366			dayIndex++;
14367
14368			// detect when span won't go fully into the next day,
14369			// and mutate the latest seg to the be the end.
14370			if (
14371				seg && !seg.isEnd && span.end.hasTime() &&
14372				span.end < dayStart.clone().add(this.view.nextDayThreshold)
14373			) {
14374				seg.end = span.end.clone();
14375				seg.isEnd = true;
14376				break;
14377			}
14378		}
14379
14380		return segs;
14381	},
14382
14383	// like "4:00am"
14384	computeEventTimeFormat: function() {
14385		return this.view.opt('mediumTimeFormat');
14386	},
14387
14388	// for events with a url, the whole <tr> should be clickable,
14389	// but it's impossible to wrap with an <a> tag. simulate this.
14390	handleSegClick: function(seg, ev) {
14391		var url;
14392
14393		Grid.prototype.handleSegClick.apply(this, arguments); // super. might prevent the default action
14394
14395		// not clicking on or within an <a> with an href
14396		if (!$(ev.target).closest('a[href]').length) {
14397			url = seg.event.url;
14398			if (url && !ev.isDefaultPrevented()) { // jsEvent not cancelled in handler
14399				window.location.href = url; // simulate link click
14400			}
14401		}
14402	},
14403
14404	// returns list of foreground segs that were actually rendered
14405	renderFgSegs: function(segs) {
14406		segs = this.renderFgSegEls(segs); // might filter away hidden events
14407
14408		if (!segs.length) {
14409			this.renderEmptyMessage();
14410		}
14411		else {
14412			this.renderSegList(segs);
14413		}
14414
14415		return segs;
14416	},
14417
14418	renderEmptyMessage: function() {
14419		this.el.html(
14420			'<div class="fc-list-empty-wrap2">' + // TODO: try less wraps
14421			'<div class="fc-list-empty-wrap1">' +
14422			'<div class="fc-list-empty">' +
14423				htmlEscape(this.view.opt('noEventsMessage')) +
14424			'</div>' +
14425			'</div>' +
14426			'</div>'
14427		);
14428	},
14429
14430	// render the event segments in the view
14431	renderSegList: function(allSegs) {
14432		var segsByDay = this.groupSegsByDay(allSegs); // sparse array
14433		var dayIndex;
14434		var daySegs;
14435		var i;
14436		var tableEl = $('<table class="fc-list-table"><tbody/></table>');
14437		var tbodyEl = tableEl.find('tbody');
14438
14439		for (dayIndex = 0; dayIndex < segsByDay.length; dayIndex++) {
14440			daySegs = segsByDay[dayIndex];
14441			if (daySegs) { // sparse array, so might be undefined
14442
14443				// append a day header
14444				tbodyEl.append(this.dayHeaderHtml(
14445					this.view.start.clone().add(dayIndex, 'days')
14446				));
14447
14448				this.sortEventSegs(daySegs);
14449
14450				for (i = 0; i < daySegs.length; i++) {
14451					tbodyEl.append(daySegs[i].el); // append event row
14452				}
14453			}
14454		}
14455
14456		this.el.empty().append(tableEl);
14457	},
14458
14459	// Returns a sparse array of arrays, segs grouped by their dayIndex
14460	groupSegsByDay: function(segs) {
14461		var segsByDay = []; // sparse array
14462		var i, seg;
14463
14464		for (i = 0; i < segs.length; i++) {
14465			seg = segs[i];
14466			(segsByDay[seg.dayIndex] || (segsByDay[seg.dayIndex] = []))
14467				.push(seg);
14468		}
14469
14470		return segsByDay;
14471	},
14472
14473	// generates the HTML for the day headers that live amongst the event rows
14474	dayHeaderHtml: function(dayDate) {
14475		var view = this.view;
14476		var mainFormat = view.opt('listDayFormat');
14477		var altFormat = view.opt('listDayAltFormat');
14478
14479		return '<tr class="fc-list-heading" data-date="' + dayDate.format('YYYY-MM-DD') + '">' +
14480			'<td class="' + view.widgetHeaderClass + '" colspan="3">' +
14481				(mainFormat ?
14482					view.buildGotoAnchorHtml(
14483						dayDate,
14484						{ 'class': 'fc-list-heading-main' },
14485						htmlEscape(dayDate.format(mainFormat)) // inner HTML
14486					) :
14487					'') +
14488				(altFormat ?
14489					view.buildGotoAnchorHtml(
14490						dayDate,
14491						{ 'class': 'fc-list-heading-alt' },
14492						htmlEscape(dayDate.format(altFormat)) // inner HTML
14493					) :
14494					'') +
14495			'</td>' +
14496		'</tr>';
14497	},
14498
14499	// generates the HTML for a single event row
14500	fgSegHtml: function(seg) {
14501		var view = this.view;
14502		var classes = [ 'fc-list-item' ].concat(this.getSegCustomClasses(seg));

14503		var bgColor = this.getSegBackgroundColor(seg);
14504		var event = seg.event;
14505		var url = event.url;
14506		var timeHtml;
14507
14508		if (event.allDay) {
14509			timeHtml = view.getAllDayHtml();
14510		}
14511		else if (view.isMultiDayEvent(event)) { // if the event appears to span more than one day
14512			if (seg.isStart || seg.isEnd) { // outer segment that probably lasts part of the day
14513				timeHtml = htmlEscape(this.getEventTimeText(seg));
14514			}
14515			else { // inner segment that lasts the whole day
14516				timeHtml = view.getAllDayHtml();
14517			}
14518		}
14519		else {
14520			// Display the normal time text for the *event's* times
14521			timeHtml = htmlEscape(this.getEventTimeText(event));
14522		}
14523
14524		if (url) {
14525			classes.push('fc-has-url');
14526		}
14527
14528		return '<tr class="' + classes.join(' ') + '">' +
14529			(this.displayEventTime ?
14530				'<td class="fc-list-item-time ' + view.widgetContentClass + '">' +
14531					(timeHtml || '') +
14532				'</td>' :
14533				'') +
14534			'<td class="fc-list-item-marker ' + view.widgetContentClass + '">' +
14535				'<span class="fc-event-dot"' +
14536				(bgColor ?
14537					' style="background-color:' + bgColor + '"' :
14538					'') +
14539				'></span>' +
14540			'</td>' +
14541			'<td class="fc-list-item-title ' + view.widgetContentClass + '">' +
14542				'<a' + (url ? ' href="' + htmlEscape(url) + '"' : '') + '>' +
14543					htmlEscape(seg.event.title || '') +

14544				'</a>' +
14545			'</td>' +
14546		'</tr>';
14547	}
14548
14549});
14550
14551;;
14552
14553fcViews.list = {
14554	'class': ListView,
14555	buttonTextKey: 'list', // what to lookup in locale files
14556	defaults: {
14557		buttonText: 'list', // text to display for English
14558		listDayFormat: 'LL', // like "January 1, 2016"
14559		noEventsMessage: 'No events to display'
14560	}
14561};
14562
14563fcViews.listDay = {
14564	type: 'list',
14565	duration: { days: 1 },
14566	defaults: {
14567		listDayFormat: 'dddd' // day-of-week is all we need. full date is probably in header
14568	}
14569};
14570
14571fcViews.listWeek = {
14572	type: 'list',
14573	duration: { weeks: 1 },
14574	defaults: {
14575		listDayFormat: 'dddd', // day-of-week is more important
14576		listDayAltFormat: 'LL'
14577	}
14578};
14579
14580fcViews.listMonth = {
14581	type: 'list',
14582	duration: { month: 1 },
14583	defaults: {
14584		listDayAltFormat: 'dddd' // day-of-week is nice-to-have
14585	}
14586};
14587
14588fcViews.listYear = {
14589	type: 'list',
14590	duration: { year: 1 },
14591	defaults: {
14592		listDayAltFormat: 'dddd' // day-of-week is nice-to-have
14593	}
14594};
14595
14596;;
14597
14598return FC; // export for Node/CommonJS
14599});