Team:SPSingapore/fullcalendar.js

/*!

* FullCalendar v2.3.2
* Docs & License: http://fullcalendar.io/
* (c) 2015 Adam Shaw
*/

var fc = $.fullCalendar = { version: "2.3.2" }; var fcViews = fc.views = {};

$.fn.fullCalendar = function(options) { var args = Array.prototype.slice.call(arguments, 1); // for a possible method call var res = this; // what this function will return (this jQuery object by default)

this.each(function(i, _element) { // loop each DOM element involved var element = $(_element); var calendar = element.data('fullCalendar'); // get the existing calendar object (if any) var singleRes; // the returned value of this single method call

// a method call if (typeof options === 'string') { if (calendar && $.isFunction(calendar[options])) { singleRes = calendar[options].apply(calendar, args); if (!i) { res = singleRes; // record the first method call result } if (options === 'destroy') { // for the destroy method, must remove Calendar object data element.removeData('fullCalendar'); } } } // a new calendar initialization else if (!calendar) { // don't initialize twice calendar = new Calendar(element, options); element.data('fullCalendar', calendar); calendar.render(); } });

return res; };

var complexOptions = [ // names of options that are objects whose properties should be combined 'header', 'buttonText', 'buttonIcons', 'themeButtonIcons' ];

// Merges an array of option objects into a single object function mergeOptions(optionObjs) { return mergeProps(optionObjs, complexOptions); }

// Given options specified for the calendar's constructor, massages any legacy options into a non-legacy form. // Converts View-Option-Hashes into the View-Specific-Options format. function massageOverrides(input) { var overrides = { views: input.views || {} }; // the output. ensure a `views` hash var subObj;

// iterate through all option override properties (except `views`) $.each(input, function(name, val) { if (name != 'views') {

// could the value be a legacy View-Option-Hash? if ( $.isPlainObject(val) && !/(time|duration|interval)$/i.test(name) && // exclude duration options. might be given as objects $.inArray(name, complexOptions) == -1 // complex options aren't allowed to be View-Option-Hashes ) { subObj = null;

// iterate through the properties of this possible View-Option-Hash value $.each(val, function(subName, subVal) {

// is the property targeting a view? if (/^(month|week|day|default|basic(Week|Day)?|agenda(Week|Day)?)$/.test(subName)) { if (!overrides.views[subName]) { // ensure the view-target entry exists overrides.views[subName] = {}; } overrides.views[subName][name] = subVal; // record the value in the `views` object } else { // a non-View-Option-Hash property if (!subObj) { subObj = {}; } subObj[subName] = subVal; // accumulate these unrelated values for later } });

if (subObj) { // non-View-Option-Hash properties? transfer them as-is overrides[name] = subObj; } } else { overrides[name] = val; // transfer normal options as-is } } });

return overrides; }

// exports fc.intersectionToSeg = intersectionToSeg; fc.applyAll = applyAll; fc.debounce = debounce; fc.isInt = isInt; fc.htmlEscape = htmlEscape; fc.cssToStr = cssToStr; fc.proxy = proxy; fc.capitaliseFirstLetter = capitaliseFirstLetter;

/* FullCalendar-specific DOM Utilities

*/

// Given the scrollbar widths of some other container, create borders/margins on rowEls in order to match the left // and right space that was offset by the scrollbars. A 1-pixel border first, then margin beyond that. function compensateScroll(rowEls, scrollbarWidths) { if (scrollbarWidths.left) { rowEls.css({ 'border-left-width': 1, 'margin-left': scrollbarWidths.left - 1 }); } if (scrollbarWidths.right) { rowEls.css({ 'border-right-width': 1, 'margin-right': scrollbarWidths.right - 1 }); } }

// Undoes compensateScroll and restores all borders/margins function uncompensateScroll(rowEls) { rowEls.css({ 'margin-left': , 'margin-right': , 'border-left-width': , 'border-right-width': }); }

// Make the mouse cursor express that an event is not allowed in the current area function disableCursor() { $('body').addClass('fc-not-allowed'); }

// Returns the mouse cursor to its original look function enableCursor() { $('body').removeClass('fc-not-allowed'); }

// Given a total available height to fill, have `els` (essentially child rows) expand to accomodate. // By default, all elements that are shorter than the recommended height are expanded uniformly, not considering // any other els that are already too tall. if `shouldRedistribute` is on, it considers these tall rows and // reduces the available height. function distributeHeight(els, availableHeight, shouldRedistribute) {

// *FLOORING NOTE*: we floor in certain places because zoom can give inaccurate floating-point dimensions, // and it is better to be shorter than taller, to avoid creating unnecessary scrollbars.

var minOffset1 = Math.floor(availableHeight / els.length); // for non-last element var minOffset2 = Math.floor(availableHeight - minOffset1 * (els.length - 1)); // for last element *FLOORING NOTE* var flexEls = []; // elements that are allowed to expand. array of DOM nodes var flexOffsets = []; // amount of vertical space it takes up var flexHeights = []; // actual css height var usedHeight = 0;

undistributeHeight(els); // give all elements their natural height

// find elements that are below the recommended height (expandable). // important to query for heights in a single first pass (to avoid reflow oscillation). els.each(function(i, el) { var minOffset = i === els.length - 1 ? minOffset2 : minOffset1; var naturalOffset = $(el).outerHeight(true);

if (naturalOffset < minOffset) { flexEls.push(el); flexOffsets.push(naturalOffset); flexHeights.push($(el).height()); } else { // this element stretches past recommended height (non-expandable). mark the space as occupied. usedHeight += naturalOffset; } });

// readjust the recommended height to only consider the height available to non-maxed-out rows. if (shouldRedistribute) { availableHeight -= usedHeight; minOffset1 = Math.floor(availableHeight / flexEls.length); minOffset2 = Math.floor(availableHeight - minOffset1 * (flexEls.length - 1)); // *FLOORING NOTE* }

// assign heights to all expandable elements $(flexEls).each(function(i, el) { var minOffset = i === flexEls.length - 1 ? minOffset2 : minOffset1; var naturalOffset = flexOffsets[i]; var naturalHeight = flexHeights[i]; var newHeight = minOffset - (naturalOffset - naturalHeight); // subtract the margin/padding

if (naturalOffset < minOffset) { // we check this again because redistribution might have changed things $(el).height(newHeight); } }); }

// Undoes distrubuteHeight, restoring all els to their natural height function undistributeHeight(els) { els.height(); }

// Given `els`, a jQuery set of <td> cells, find the cell with the largest natural width and set the widths of all the // cells to be that width. // PREREQUISITE: if you want a cell to take up width, it needs to have a single inner element w/ display:inline function matchCellWidths(els) { var maxInnerWidth = 0;

els.find('> *').each(function(i, innerEl) { var innerWidth = $(innerEl).outerWidth(); if (innerWidth > maxInnerWidth) { maxInnerWidth = innerWidth; } });

maxInnerWidth++; // sometimes not accurate of width the text needs to stay on one line. insurance

els.width(maxInnerWidth);

return maxInnerWidth; }

// Turns a container element into a scroller if its contents is taller than the allotted height. // Returns true if the element is now a scroller, false otherwise. // NOTE: this method is best because it takes weird zooming dimensions into account function setPotentialScroller(containerEl, height) { containerEl.height(height).addClass('fc-scroller');

// are scrollbars needed? if (containerEl[0].scrollHeight - 1 > containerEl[0].clientHeight) { // !!! -1 because IE is often off-by-one :( return true; }

unsetScroller(containerEl); // undo return false; }

// Takes an element that might have been a scroller, and turns it back into a normal element. function unsetScroller(containerEl) { containerEl.height().removeClass('fc-scroller'); }

/* General DOM Utilities

*/

fc.getClientRect = getClientRect; fc.getContentRect = getContentRect; fc.getScrollbarWidths = getScrollbarWidths;

// borrowed from https://github.com/jquery/jquery-ui/blob/1.11.0/ui/core.js#L51 function getScrollParent(el) { var position = el.css('position'), scrollParent = el.parents().filter(function() { var parent = $(this); return (/(auto|scroll)/).test( parent.css('overflow') + parent.css('overflow-y') + parent.css('overflow-x') ); }).eq(0);

return position === 'fixed' || !scrollParent.length ? $(el[0].ownerDocument || document) : scrollParent; }

// Queries the outer bounding area of a jQuery element. // Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive). function getOuterRect(el) { var offset = el.offset();

return { left: offset.left, right: offset.left + el.outerWidth(), top: offset.top, bottom: offset.top + el.outerHeight() }; }

// Queries the area within the margin/border/scrollbars of a jQuery element. Does not go within the padding. // Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive). // NOTE: should use clientLeft/clientTop, but very unreliable cross-browser. function getClientRect(el) { var offset = el.offset(); var scrollbarWidths = getScrollbarWidths(el); var left = offset.left + getCssFloat(el, 'border-left-width') + scrollbarWidths.left; var top = offset.top + getCssFloat(el, 'border-top-width') + scrollbarWidths.top;

return { left: left, right: left + el[0].clientWidth, // clientWidth includes padding but NOT scrollbars top: top, bottom: top + el[0].clientHeight // clientHeight includes padding but NOT scrollbars }; }

// Queries the area within the margin/border/padding of a jQuery element. Assumed not to have scrollbars. // Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive). function getContentRect(el) { var offset = el.offset(); // just outside of border, margin not included var left = offset.left + getCssFloat(el, 'border-left-width') + getCssFloat(el, 'padding-left'); var top = offset.top + getCssFloat(el, 'border-top-width') + getCssFloat(el, 'padding-top');

return { left: left, right: left + el.width(), top: top, bottom: top + el.height() }; }

// Returns the computed left/right/top/bottom scrollbar widths for the given jQuery element. // NOTE: should use clientLeft/clientTop, but very unreliable cross-browser. function getScrollbarWidths(el) { var leftRightWidth = el.innerWidth() - el[0].clientWidth; // the paddings cancel out, leaving the scrollbars var widths = { left: 0, right: 0, top: 0, bottom: el.innerHeight() - el[0].clientHeight // the paddings cancel out, leaving the bottom scrollbar };

if (getIsLeftRtlScrollbars() && el.css('direction') == 'rtl') { // is the scrollbar on the left side? widths.left = leftRightWidth; } else { widths.right = leftRightWidth; }

return widths; }

// Logic for determining if, when the element is right-to-left, the scrollbar appears on the left side

var _isLeftRtlScrollbars = null;

function getIsLeftRtlScrollbars() { // responsible for caching the computation if (_isLeftRtlScrollbars === null) { _isLeftRtlScrollbars = computeIsLeftRtlScrollbars(); } return _isLeftRtlScrollbars; }

function computeIsLeftRtlScrollbars() { // creates an offscreen test element, then removes it

var el = $('

<div/>

')

.css({ position: 'absolute', top: -1000, left: 0, border: 0, padding: 0, overflow: 'scroll', direction: 'rtl' }) .appendTo('body'); var innerEl = el.children(); var res = innerEl.offset().left > el.offset().left; // is the inner div shifted to accommodate a left scrollbar? el.remove(); return res; }

// Retrieves a jQuery element's computed CSS value as a floating-point number. // If the queried value is non-numeric (ex: IE can return "medium" for border width), will just return zero. function getCssFloat(el, prop) { return parseFloat(el.css(prop)) || 0; }

// Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac) function isPrimaryMouseButton(ev) { return ev.which == 1 && !ev.ctrlKey; }

/* Geometry

*/

// Returns a new rectangle that is the intersection of the two rectangles. If they don't intersect, returns false function intersectRects(rect1, rect2) { var res = { left: Math.max(rect1.left, rect2.left), right: Math.min(rect1.right, rect2.right), top: Math.max(rect1.top, rect2.top), bottom: Math.min(rect1.bottom, rect2.bottom) };

if (res.left < res.right && res.top < res.bottom) { return res; } return false; }

// Returns a new point that will have been moved to reside within the given rectangle function constrainPoint(point, rect) { return { left: Math.min(Math.max(point.left, rect.left), rect.right), top: Math.min(Math.max(point.top, rect.top), rect.bottom) }; }

// Returns a point that is the center of the given rectangle function getRectCenter(rect) { return { left: (rect.left + rect.right) / 2, top: (rect.top + rect.bottom) / 2 }; }

// Subtracts point2's coordinates from point1's coordinates, returning a delta function diffPoints(point1, point2) { return { left: point1.left - point2.left, top: point1.top - point2.top }; }

/* FullCalendar-specific Misc Utilities

*/

// Creates a basic segment with the intersection of the two ranges. Returns undefined if no intersection. // Expects all dates to be normalized to the same timezone beforehand. // TODO: move to date section? function intersectionToSeg(subjectRange, constraintRange) { var subjectStart = subjectRange.start; var subjectEnd = subjectRange.end; var constraintStart = constraintRange.start; var constraintEnd = constraintRange.end; var segStart, segEnd; var isStart, isEnd;

if (subjectEnd > constraintStart && subjectStart < constraintEnd) { // in bounds at all?

if (subjectStart >= constraintStart) { segStart = subjectStart.clone(); isStart = true; } else { segStart = constraintStart.clone(); isStart = false; }

if (subjectEnd <= constraintEnd) { segEnd = subjectEnd.clone(); isEnd = true; } else { segEnd = constraintEnd.clone(); isEnd = false; }

return { start: segStart, end: segEnd, isStart: isStart, isEnd: isEnd }; } }

/* Date Utilities

*/

fc.computeIntervalUnit = computeIntervalUnit; fc.durationHasTime = durationHasTime;

var dayIDs = [ 'sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat' ]; var intervalUnits = [ 'year', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond' ];

// Diffs the two moments into a Duration where full-days are recorded first, then the remaining time. // Moments will have their timezones normalized. function diffDayTime(a, b) { return moment.duration({ days: a.clone().stripTime().diff(b.clone().stripTime(), 'days'), ms: a.time() - b.time() // time-of-day from day start. disregards timezone }); }

// Diffs the two moments via their start-of-day (regardless of timezone). Produces whole-day durations. function diffDay(a, b) { return moment.duration({ days: a.clone().stripTime().diff(b.clone().stripTime(), 'days') }); }

// Diffs two moments, producing a duration, made of a whole-unit-increment of the given unit. Uses rounding. function diffByUnit(a, b, unit) { return moment.duration( Math.round(a.diff(b, unit, true)), // returnFloat=true unit ); }

// Computes the unit name of the largest whole-unit period of time. // For example, 48 hours will be "days" whereas 49 hours will be "hours". // Accepts start/end, a range object, or an original duration object. function computeIntervalUnit(start, end) { var i, unit; var val;

for (i = 0; i < intervalUnits.length; i++) { unit = intervalUnits[i]; val = computeRangeAs(unit, start, end);

if (val >= 1 && isInt(val)) { break; } }

return unit; // will be "milliseconds" if nothing else matches }

// Computes the number of units (like "hours") in the given range. // Range can be a {start,end} object, separate start/end args, or a Duration. // Results are based on Moment's .as() and .diff() methods, so results can depend on internal handling // of month-diffing logic (which tends to vary from version to version). function computeRangeAs(unit, start, end) {

if (end != null) { // given start, end return end.diff(start, unit, true); } else if (moment.isDuration(start)) { // given duration return start.as(unit); } else { // given { start, end } range object return start.end.diff(start.start, unit, true); } }

// Returns a boolean about whether the given duration has any time parts (hours/minutes/seconds/ms) function durationHasTime(dur) { return Boolean(dur.hours() || dur.minutes() || dur.seconds() || dur.milliseconds()); }

function isNativeDate(input) { return Object.prototype.toString.call(input) === '[object Date]' || input instanceof Date; }

// Returns a boolean about whether the given input is a time string, like "06:40:00" or "06:00" function isTimeString(str) { return /^\d+\:\d+(?:\:\d+\.?(?:\d{3})?)?$/.test(str); }

/* General Utilities

*/

var hasOwnPropMethod = {}.hasOwnProperty;

// Merges an array of objects into a single object. // The second argument allows for an array of property names who's object values will be merged together. function mergeProps(propObjs, complexProps) { var dest = {}; var i, name; var complexObjs; var j, val; var props;

if (complexProps) { for (i = 0; i < complexProps.length; i++) { name = complexProps[i]; complexObjs = [];

// collect the trailing object values, stopping when a non-object is discovered for (j = propObjs.length - 1; j >= 0; j--) { val = propObjs[j][name];

if (typeof val === 'object') { complexObjs.unshift(val); } else if (val !== undefined) { dest[name] = val; // if there were no objects, this value will be used break; } }

// if the trailing values were objects, use the merged value if (complexObjs.length) { dest[name] = mergeProps(complexObjs); } } }

// copy values into the destination, going from last to first for (i = propObjs.length - 1; i >= 0; i--) { props = propObjs[i];

for (name in props) { if (!(name in dest)) { // if already assigned by previous props or complex props, don't reassign dest[name] = props[name]; } } }

return dest; }

// Create an object that has the given prototype. Just like Object.create function createObject(proto) { var f = function() {}; f.prototype = proto; return new f(); }

function copyOwnProps(src, dest) { for (var name in src) { if (hasOwnProp(src, name)) { dest[name] = src[name]; } } }

// Copies over certain methods with the same names as Object.prototype methods. Overcomes an IE<=8 bug: // https://developer.mozilla.org/en-US/docs/ECMAScript_DontEnum_attribute#JScript_DontEnum_Bug function copyNativeMethods(src, dest) { var names = [ 'constructor', 'toString', 'valueOf' ]; var i, name;

for (i = 0; i < names.length; i++) { name = names[i];

if (src[name] !== Object.prototype[name]) { dest[name] = src[name]; } } }

function hasOwnProp(obj, name) { return hasOwnPropMethod.call(obj, name); }

// Is the given value a non-object non-function value? function isAtomic(val) { return /undefined|null|boolean|number|string/.test($.type(val)); }

function firstDefined() { for (var i=0; i<arguments.length; i++) { if (arguments[i] !== undefined) { return arguments[i]; } } }

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

function stripHtmlEntities(text) { return text.replace(/&.*?;/g, ); }

// Given a hash of CSS properties, returns a string of CSS. // Uses property names as-is (no camel-case conversion). Will not make statements for null/undefined values. function cssToStr(cssProps) { var statements = [];

$.each(cssProps, function(name, val) { if (val != null) { statements.push(name + ':' + val); } });

return statements.join(';'); }

function capitaliseFirstLetter(str) { return str.charAt(0).toUpperCase() + str.slice(1); }

function compareNumbers(a, b) { // for .sort() return a - b; }

function isInt(n) { return n % 1 === 0; }

// Returns a method bound to the given object context. // Just like one of the jQuery.proxy signatures, but without the undesired behavior of treating the same method with // different contexts as identical when binding/unbinding events. function proxy(obj, methodName) { var method = obj[methodName];

return function() { return method.apply(obj, arguments); }; }

// Returns a function, that, as long as it continues to be invoked, will not // be triggered. The function will be called after it stops being called for // N milliseconds. // https://github.com/jashkenas/underscore/blob/1.6.0/underscore.js#L714 function debounce(func, wait) { var timeoutId; var args; var context; var timestamp; // of most recent call var later = function() { var last = +new Date() - timestamp; if (last < wait && last > 0) { timeoutId = setTimeout(later, wait - last); } else { timeoutId = null; func.apply(context, args); if (!timeoutId) { context = args = null; } } };

return function() { context = this; args = arguments; timestamp = +new Date(); if (!timeoutId) { timeoutId = setTimeout(later, wait); } }; }

// Creating // -------------------------------------------------------------------------------------------------

// Creates a new moment, similar to the vanilla moment(...) constructor, but with // extra features (ambiguous time, enhanced formatting). When given an existing moment, // it will function as a clone (and retain the zone of the moment). Anything else will // result in a moment in the local zone. fc.moment = function() { return makeMoment(arguments); };

// Sames as fc.moment, but forces the resulting moment to be in the UTC timezone. fc.moment.utc = function() { var mom = makeMoment(arguments, true);

// Force it into UTC because makeMoment doesn't guarantee it // (if given a pre-existing moment for example) if (mom.hasTime()) { // don't give ambiguously-timed moments a UTC zone mom.utc(); }

return mom; };

// Same as fc.moment, but when given an ISO8601 string, the timezone offset is preserved. // ISO8601 strings with no timezone offset will become ambiguously zoned. fc.moment.parseZone = function() { return makeMoment(arguments, true, true); };

// Builds an enhanced moment from args. When given an existing moment, it clones. When given a // native Date, or called with no arguments (the current time), the resulting moment will be local. // Anything else needs to be "parsed" (a string or an array), and will be affected by: // parseAsUTC - if there is no zone information, should we parse the input in UTC? // parseZone - if there is zone information, should we force the zone of the moment? function makeMoment(args, parseAsUTC, parseZone) { var input = args[0]; var isSingleString = args.length == 1 && typeof input === 'string'; var isAmbigTime; var isAmbigZone; var ambigMatch; var mom;

if (moment.isMoment(input)) { mom = moment.apply(null, args); // clone it transferAmbigs(input, mom); // the ambig flags weren't transfered with the clone } else if (isNativeDate(input) || input === undefined) { mom = moment.apply(null, args); // will be local } else { // "parsing" is required isAmbigTime = false; isAmbigZone = false;

if (isSingleString) { if (ambigDateOfMonthRegex.test(input)) { // accept strings like '2014-05', but convert to the first of the month input += '-01'; args = [ input ]; // for when we pass it on to moment's constructor isAmbigTime = true; isAmbigZone = true; } else if ((ambigMatch = ambigTimeOrZoneRegex.exec(input))) { isAmbigTime = !ambigMatch[5]; // no time part? isAmbigZone = true; } } else if ($.isArray(input)) { // arrays have no timezone information, so assume ambiguous zone isAmbigZone = true; } // otherwise, probably a string with a format

if (parseAsUTC || isAmbigTime) { mom = moment.utc.apply(moment, args); } else { mom = moment.apply(null, args); }

if (isAmbigTime) { mom._ambigTime = true; mom._ambigZone = true; // ambiguous time always means ambiguous zone } else if (parseZone) { // let's record the inputted zone somehow if (isAmbigZone) { mom._ambigZone = true; } else if (isSingleString) { if (mom.utcOffset) { mom.utcOffset(input); // if not a valid zone, will assign UTC } else { mom.zone(input); // for moment-pre-2.9 } } } }

mom._fullCalendar = true; // flag for extended functionality

return mom; }

// A clone method that works with the flags related to our enhanced functionality. // In the future, use moment.momentProperties newMomentProto.clone = function() { var mom = oldMomentProto.clone.apply(this, arguments);

// these flags weren't transfered with the clone transferAmbigs(this, mom); if (this._fullCalendar) { mom._fullCalendar = true; }

return mom; };

// Week Number // -------------------------------------------------------------------------------------------------

// Returns the week number, considering the locale's custom week number calcuation // `weeks` is an alias for `week` newMomentProto.week = newMomentProto.weeks = function(input) { var weekCalc = (this._locale || this._lang) // works pre-moment-2.8 ._fullCalendar_weekCalc;

if (input == null && typeof weekCalc === 'function') { // custom function only works for getter return weekCalc(this); } else if (weekCalc === 'ISO') { return oldMomentProto.isoWeek.apply(this, arguments); // ISO getter/setter }

return oldMomentProto.week.apply(this, arguments); // local getter/setter };

// Time-of-day // -------------------------------------------------------------------------------------------------

// GETTER // Returns a Duration with the hours/minutes/seconds/ms values of the moment. // If the moment has an ambiguous time, a duration of 00:00 will be returned. // // SETTER // You can supply a Duration, a Moment, or a Duration-like argument. // When setting the time, and the moment has an ambiguous time, it then becomes unambiguous. newMomentProto.time = function(time) {

// Fallback to the original method (if there is one) if this moment wasn't created via FullCalendar. // `time` is a generic enough method name where this precaution is necessary to avoid collisions w/ other plugins. if (!this._fullCalendar) { return oldMomentProto.time.apply(this, arguments); }

if (time == null) { // getter return moment.duration({ hours: this.hours(), minutes: this.minutes(), seconds: this.seconds(), milliseconds: this.milliseconds() }); } else { // setter

this._ambigTime = false; // mark that the moment now has a time

if (!moment.isDuration(time) && !moment.isMoment(time)) { time = moment.duration(time); }

// The day value should cause overflow (so 24 hours becomes 00:00:00 of next day). // Only for Duration times, not Moment times. var dayHours = 0; if (moment.isDuration(time)) { dayHours = Math.floor(time.asDays()) * 24; }

// We need to set the individual fields. // Can't use startOf('day') then add duration. In case of DST at start of day. return this.hours(dayHours + time.hours()) .minutes(time.minutes()) .seconds(time.seconds()) .milliseconds(time.milliseconds()); } };

// Converts the moment to UTC, stripping out its time-of-day and timezone offset, // but preserving its YMD. A moment with a stripped time will display no time // nor timezone offset when .format() is called. newMomentProto.stripTime = function() { var a;

if (!this._ambigTime) {

// get the values before any conversion happens a = this.toArray(); // array of y/m/d/h/m/s/ms

// TODO: use keepLocalTime in the future this.utc(); // set the internal UTC flag (will clear the ambig flags) setUTCValues(this, a.slice(0, 3)); // set the year/month/date. time will be zero

// Mark the time as ambiguous. This needs to happen after the .utc() call, which might call .utcOffset(), // which clears all ambig flags. Same with setUTCValues with moment-timezone. this._ambigTime = true; this._ambigZone = true; // if ambiguous time, also ambiguous timezone offset }

return this; // for chaining };

// Returns if the moment has a non-ambiguous time (boolean) newMomentProto.hasTime = function() { return !this._ambigTime; };

// Timezone // -------------------------------------------------------------------------------------------------

// Converts the moment to UTC, stripping out its timezone offset, but preserving its // YMD and time-of-day. A moment with a stripped timezone offset will display no // timezone offset when .format() is called. // TODO: look into Moment's keepLocalTime functionality newMomentProto.stripZone = function() { var a, wasAmbigTime;

if (!this._ambigZone) {

// get the values before any conversion happens a = this.toArray(); // array of y/m/d/h/m/s/ms wasAmbigTime = this._ambigTime;

this.utc(); // set the internal UTC flag (might clear the ambig flags, depending on Moment internals) setUTCValues(this, a); // will set the year/month/date/hours/minutes/seconds/ms

// the above call to .utc()/.utcOffset() unfortunately might clear the ambig flags, so restore this._ambigTime = wasAmbigTime || false;

// Mark the zone as ambiguous. This needs to happen after the .utc() call, which might call .utcOffset(), // which clears the ambig flags. Same with setUTCValues with moment-timezone. this._ambigZone = true; }

return this; // for chaining };

// Returns of the moment has a non-ambiguous timezone offset (boolean) newMomentProto.hasZone = function() { return !this._ambigZone; };

// this method implicitly marks a zone newMomentProto.local = function() { var a = this.toArray(); // year,month,date,hours,minutes,seconds,ms as an array var wasAmbigZone = this._ambigZone;

oldMomentProto.local.apply(this, arguments);

// ensure non-ambiguous // this probably already happened via local() -> utcOffset(), but don't rely on Moment's internals this._ambigTime = false; this._ambigZone = false;

if (wasAmbigZone) { // If the moment was ambiguously zoned, the date fields were stored as UTC. // We want to preserve these, but in local time. // TODO: look into Moment's keepLocalTime functionality setLocalValues(this, a); }

return this; // for chaining };

// implicitly marks a zone newMomentProto.utc = function() { oldMomentProto.utc.apply(this, arguments);

// ensure non-ambiguous // this probably already happened via utc() -> utcOffset(), but don't rely on Moment's internals this._ambigTime = false; this._ambigZone = false;

return this; };

// methods for arbitrarily manipulating timezone offset. // should clear time/zone ambiguity when called. $.each([ 'zone', // only in moment-pre-2.9. deprecated afterwards 'utcOffset' ], function(i, name) { if (oldMomentProto[name]) { // original method exists?

// this method implicitly marks a zone (will probably get called upon .utc() and .local()) newMomentProto[name] = function(tzo) {

if (tzo != null) { // setter // these assignments needs to happen before the original zone method is called. // I forget why, something to do with a browser crash. this._ambigTime = false; this._ambigZone = false; }

return oldMomentProto[name].apply(this, arguments); }; } });

// Formatting // -------------------------------------------------------------------------------------------------

newMomentProto.format = function() { if (this._fullCalendar && arguments[0]) { // an enhanced moment? and a format string provided? return formatDate(this, arguments[0]); // our extended formatting } if (this._ambigTime) { return oldMomentFormat(this, 'YYYY-MM-DD'); } if (this._ambigZone) { return oldMomentFormat(this, 'YYYY-MM-DD[T]HH:mm:ss'); } return oldMomentProto.format.apply(this, arguments); };

newMomentProto.toISOString = function() { if (this._ambigTime) { return oldMomentFormat(this, 'YYYY-MM-DD'); } if (this._ambigZone) { return oldMomentFormat(this, 'YYYY-MM-DD[T]HH:mm:ss'); } return oldMomentProto.toISOString.apply(this, arguments); };

// Querying // -------------------------------------------------------------------------------------------------

// Is the moment within the specified range? `end` is exclusive. // FYI, this method is not a standard Moment method, so always do our enhanced logic. newMomentProto.isWithin = function(start, end) { var a = commonlyAmbiguate([ this, start, end ]); return a[0] >= a[1] && a[0] < a[2]; };

// When isSame is called with units, timezone ambiguity is normalized before the comparison happens. // If no units specified, the two moments must be identically the same, with matching ambig flags. newMomentProto.isSame = function(input, units) { var a;

// only do custom logic if this is an enhanced moment if (!this._fullCalendar) { return oldMomentProto.isSame.apply(this, arguments); }

if (units) { a = commonlyAmbiguate([ this, input ], true); // normalize timezones but don't erase times return oldMomentProto.isSame.call(a[0], a[1], units); } else { input = fc.moment.parseZone(input); // normalize input return oldMomentProto.isSame.call(this, input) && Boolean(this._ambigTime) === Boolean(input._ambigTime) && Boolean(this._ambigZone) === Boolean(input._ambigZone); } };

// Make these query methods work with ambiguous moments $.each([ 'isBefore', 'isAfter' ], function(i, methodName) { newMomentProto[methodName] = function(input, units) { var a;

// only do custom logic if this is an enhanced moment if (!this._fullCalendar) { return oldMomentProto[methodName].apply(this, arguments); }

a = commonlyAmbiguate([ this, input ]); return oldMomentProto[methodName].call(a[0], a[1], units); }; });

// Misc Internals // -------------------------------------------------------------------------------------------------

// given an array of moment-like inputs, return a parallel array w/ moments similarly ambiguated. // for example, of one moment has ambig time, but not others, all moments will have their time stripped. // set `preserveTime` to `true` to keep times, but only normalize zone ambiguity. // returns the original moments if no modifications are necessary. function commonlyAmbiguate(inputs, preserveTime) { var anyAmbigTime = false; var anyAmbigZone = false; var len = inputs.length; var moms = []; var i, mom;

// parse inputs into real moments and query their ambig flags for (i = 0; i < len; i++) { mom = inputs[i]; if (!moment.isMoment(mom)) { mom = fc.moment.parseZone(mom); } anyAmbigTime = anyAmbigTime || mom._ambigTime; anyAmbigZone = anyAmbigZone || mom._ambigZone; moms.push(mom); }

// strip each moment down to lowest common ambiguity // use clones to avoid modifying the original moments for (i = 0; i < len; i++) { mom = moms[i]; if (!preserveTime && anyAmbigTime && !mom._ambigTime) { moms[i] = mom.clone().stripTime(); } else if (anyAmbigZone && !mom._ambigZone) { moms[i] = mom.clone().stripZone(); } }

return moms; }

// Transfers all the flags related to ambiguous time/zone from the `src` moment to the `dest` moment // TODO: look into moment.momentProperties for this. function transferAmbigs(src, dest) { if (src._ambigTime) { dest._ambigTime = true; } else if (dest._ambigTime) { dest._ambigTime = false; }

if (src._ambigZone) { dest._ambigZone = true; } else if (dest._ambigZone) { dest._ambigZone = false; } }

// Sets the year/month/date/etc values of the moment from the given array. // Inefficient because it calls each individual setter. function setMomentValues(mom, a) { mom.year(a[0] || 0) .month(a[1] || 0) .date(a[2] || 0) .hours(a[3] || 0) .minutes(a[4] || 0) .seconds(a[5] || 0) .milliseconds(a[6] || 0); }

// Can we set the moment's internal date directly? allowValueOptimization = '_d' in moment() && 'updateOffset' in moment;

// Utility function. Accepts a moment and an array of the UTC year/month/date/etc values to set. // Assumes the given moment is already in UTC mode. setUTCValues = allowValueOptimization ? function(mom, a) { // simlate what moment's accessors do mom._d.setTime(Date.UTC.apply(Date, a)); moment.updateOffset(mom, false); // keepTime=false } : setMomentValues;

// Utility function. Accepts a moment and an array of the local year/month/date/etc values to set. // Assumes the given moment is already in local mode. setLocalValues = allowValueOptimization ? function(mom, a) { // simlate what moment's accessors do mom._d.setTime(+new Date( // FYI, there is now way to apply an array of args to a constructor a[0] || 0, a[1] || 0, a[2] || 0, a[3] || 0, a[4] || 0, a[5] || 0, a[6] || 0 )); moment.updateOffset(mom, false); // keepTime=false } : setMomentValues;

// Single Date Formatting // -------------------------------------------------------------------------------------------------

// call this if you want Moment's original format method to be used function oldMomentFormat(mom, formatStr) { return oldMomentProto.format.call(mom, formatStr); // oldMomentProto defined in moment-ext.js }

// Formats `date` with a Moment formatting string, but allow our non-zero areas and // additional token. function formatDate(date, formatStr) { return formatDateWithChunks(date, getFormatStringChunks(formatStr)); }

function formatDateWithChunks(date, chunks) { var s = ; var i;

for (i=0; i<chunks.length; i++) { s += formatDateWithChunk(date, chunks[i]); }

return s; }

// addition formatting tokens we want recognized var tokenOverrides = { t: function(date) { // "a" or "p" return oldMomentFormat(date, 'a').charAt(0); }, T: function(date) { // "A" or "P" return oldMomentFormat(date, 'A').charAt(0); } };

function formatDateWithChunk(date, chunk) { var token; var maybeStr;

if (typeof chunk === 'string') { // a literal string return chunk; } else if ((token = chunk.token)) { // a token, like "YYYY" if (tokenOverrides[token]) { return tokenOverrides[token](date); // use our custom token } return oldMomentFormat(date, token); } else if (chunk.maybe) { // a grouping of other chunks that must be non-zero maybeStr = formatDateWithChunks(date, chunk.maybe); if (maybeStr.match(/[1-9]/)) { return maybeStr; } }

return ; }

// Date Range Formatting // ------------------------------------------------------------------------------------------------- // TODO: make it work with timezone offset

// Using a formatting string meant for a single date, generate a range string, like // "Sep 2 - 9 2013", that intelligently inserts a separator where the dates differ. // If the dates are the same as far as the format string is concerned, just return a single // rendering of one date, without any separator. function formatRange(date1, date2, formatStr, separator, isRTL) { var localeData;

date1 = fc.moment.parseZone(date1); date2 = fc.moment.parseZone(date2);

localeData = (date1.localeData || date1.lang).call(date1); // works with moment-pre-2.8

// Expand localized format strings, like "LL" -> "MMMM D YYYY" formatStr = localeData.longDateFormat(formatStr) || formatStr; // BTW, this is not important for `formatDate` because it is impossible to put custom tokens // or non-zero areas in Moment's localized format strings.

separator = separator || ' - ';

return formatRangeWithChunks( date1, date2, getFormatStringChunks(formatStr), separator, isRTL ); } fc.formatRange = formatRange; // expose

function formatRangeWithChunks(date1, date2, chunks, separator, isRTL) { var chunkStr; // the rendering of the chunk var leftI; var leftStr = ; var rightI; var rightStr = ; var middleI; var middleStr1 = ; var middleStr2 = ; var middleStr = ;

// Start at the leftmost side of the formatting string and continue until you hit a token // that is not the same between dates. for (leftI=0; leftI<chunks.length; leftI++) { chunkStr = formatSimilarChunk(date1, date2, chunks[leftI]); if (chunkStr === false) { break; } leftStr += chunkStr; }

// Similarly, start at the rightmost side of the formatting string and move left for (rightI=chunks.length-1; rightI>leftI; rightI--) { chunkStr = formatSimilarChunk(date1, date2, chunks[rightI]); if (chunkStr === false) { break; } rightStr = chunkStr + rightStr; }

// The area in the middle is different for both of the dates. // Collect them distinctly so we can jam them together later. for (middleI=leftI; middleI<=rightI; middleI++) { middleStr1 += formatDateWithChunk(date1, chunks[middleI]); middleStr2 += formatDateWithChunk(date2, chunks[middleI]); }

if (middleStr1 || middleStr2) { if (isRTL) { middleStr = middleStr2 + separator + middleStr1; } else { middleStr = middleStr1 + separator + middleStr2; } }

return leftStr + middleStr + rightStr; }

var similarUnitMap = { Y: 'year', M: 'month', D: 'day', // day of month d: 'day', // day of week // prevents a separator between anything time-related... A: 'second', // AM/PM a: 'second', // am/pm T: 'second', // A/P t: 'second', // a/p H: 'second', // hour (24) h: 'second', // hour (12) m: 'second', // minute s: 'second' // second }; // TODO: week maybe?

// Given a formatting chunk, and given that both dates are similar in the regard the // formatting chunk is concerned, format date1 against `chunk`. Otherwise, return `false`. function formatSimilarChunk(date1, date2, chunk) { var token; var unit;

if (typeof chunk === 'string') { // a literal string return chunk; } else if ((token = chunk.token)) { unit = similarUnitMap[token.charAt(0)]; // are the dates the same for this unit of measurement? if (unit && date1.isSame(date2, unit)) { return oldMomentFormat(date1, token); // would be the same if we used `date2` // BTW, don't support custom tokens } }

return false; // the chunk is NOT the same for the two dates // BTW, don't support splitting on non-zero areas }

// Chunking Utils // -------------------------------------------------------------------------------------------------

var formatStringChunkCache = {};

function getFormatStringChunks(formatStr) { if (formatStr in formatStringChunkCache) { return formatStringChunkCache[formatStr]; } return (formatStringChunkCache[formatStr] = chunkFormatString(formatStr)); }

// Break the formatting string into an array of chunks function chunkFormatString(formatStr) { var chunks = []; var chunker = /\[([^\]]*)\]|$([^$]*)\)|(LTS|LT|(\w)\4*o?)|([^\w\[\(]+)/g; // TODO: more descrimination var match;

while ((match = chunker.exec(formatStr))) { if (match[1]) { // a literal string inside [ ... ] chunks.push(match[1]); } else if (match[2]) { // non-zero formatting inside ( ... ) chunks.push({ maybe: chunkFormatString(match[2]) }); } else if (match[3]) { // a formatting token chunks.push({ token: match[3] }); } else if (match[5]) { // an unenclosed literal string chunks.push(match[5]); } }

return chunks; }

fc.Class = Class; // export

// class that all other classes will inherit from function Class() { }

// called upon a class to create a subclass Class.extend = function(members) { var superClass = this; var subClass;

members = members || {};

// ensure a constructor for the subclass, forwarding all arguments to the super-constructor if it doesn't exist if (hasOwnProp(members, 'constructor')) { subClass = members.constructor; } if (typeof subClass !== 'function') { subClass = members.constructor = function() { superClass.apply(this, arguments); }; }

// build the base prototype for the subclass, which is an new object chained to the superclass's prototype subClass.prototype = createObject(superClass.prototype);

// copy each member variable/method onto the the subclass's prototype copyOwnProps(members, subClass.prototype); copyNativeMethods(members, subClass.prototype); // hack for IE8

// copy over all class variables/methods to the subclass, such as `extend` and `mixin` copyOwnProps(superClass, subClass);

return subClass; };

// adds new member variables/methods to the class's prototype. // can be called with another class, or a plain object hash containing new members. Class.mixin = function(members) { copyOwnProps(members.prototype || members, this.prototype); // TODO: copyNativeMethods? };

/* A rectangular panel that is absolutely positioned over other content

Options: - className (string) - content (HTML string or jQuery element set) - parentEl - top - left - right (the x coord of where the right edge should be. not a "CSS" right) - autoHide (boolean) - show (callback) - hide (callback)

/

var Popover = Class.extend({

isHidden: true, options: null, el: null, // the container element for the popover. generated by this object documentMousedownProxy: null, // document mousedown handler bound to `this` margin: 10, // the space required between the popover and the edges of the scroll container

constructor: function(options) { this.options = options || {}; },

// Shows the popover on the specified position. Renders it if not already show: function() { if (this.isHidden) { if (!this.el) { this.render(); } this.el.show(); this.position(); this.isHidden = false; this.trigger('show'); } },

// Hides the popover, through CSS, but does not remove it from the DOM hide: function() { if (!this.isHidden) { this.el.hide(); this.isHidden = true; this.trigger('hide'); } },

// Creates `this.el` and renders content inside of it render: function() { var _this = this; var options = this.options;

this.el = $('<div class="fc-popover"/>') .addClass(options.className || ) .css({ // position initially to the top left to avoid creating scrollbars top: 0, left: 0 }) .append(options.content) .appendTo(options.parentEl);

// when a click happens on anything inside with a 'fc-close' className, hide the popover this.el.on('click', '.fc-close', function() { _this.hide(); });

if (options.autoHide) { $(document).on('mousedown', this.documentMousedownProxy = proxy(this, 'documentMousedown')); } },

// Triggered when the user clicks *anywhere* in the document, for the autoHide feature documentMousedown: function(ev) { // only hide the popover if the click happened outside the popover if (this.el && !$(ev.target).closest(this.el).length) { this.hide(); } },

// Hides and unregisters any handlers removeElement: function() { this.hide();

if (this.el) { this.el.remove(); this.el = null; }

$(document).off('mousedown', this.documentMousedownProxy); },

// Positions the popover optimally, using the top/left/right options position: function() { var options = this.options; var origin = this.el.offsetParent().offset(); var width = this.el.outerWidth(); var height = this.el.outerHeight(); var windowEl = $(window); var viewportEl = getScrollParent(this.el); var viewportTop; var viewportLeft; var viewportOffset; var top; // the "position" (not "offset") values for the popover var left; //

// compute top and left top = options.top || 0; if (options.left !== undefined) { left = options.left; } else if (options.right !== undefined) { left = options.right - width; // derive the left value from the right value } else { left = 0; }

if (viewportEl.is(window) || viewportEl.is(document)) { // normalize getScrollParent's result viewportEl = windowEl; viewportTop = 0; // the window is always at the top left viewportLeft = 0; // (and .offset() won't work if called here) } else { viewportOffset = viewportEl.offset(); viewportTop = viewportOffset.top; viewportLeft = viewportOffset.left; }

// if the window is scrolled, it causes the visible area to be further down viewportTop += windowEl.scrollTop(); viewportLeft += windowEl.scrollLeft();

// constrain to the view port. if constrained by two edges, give precedence to top/left if (options.viewportConstrain !== false) { top = Math.min(top, viewportTop + viewportEl.outerHeight() - height - this.margin); top = Math.max(top, viewportTop + this.margin); left = Math.min(left, viewportLeft + viewportEl.outerWidth() - width - this.margin); left = Math.max(left, viewportLeft + this.margin); }

this.el.css({ top: top - origin.top, left: left - origin.left }); },

// Triggers a callback. Calls a function in the option hash of the same name. // Arguments beyond the first `name` are forwarded on. // TODO: better code reuse for this. Repeat code trigger: function(name) { if (this.options[name]) { this.options[name].apply(this, Array.prototype.slice.call(arguments, 1)); } }

});

/* A "coordinate map" converts pixel coordinates into an associated cell, which has an associated date

Common interface:

CoordMap.prototype = { build: function() {}, getCell: function(x, y) {} };

/

/* Coordinate map for a grid component

*/

var GridCoordMap = Class.extend({

grid: null, // reference to the Grid rowCoords: null, // array of {top,bottom} objects colCoords: null, // array of {left,right} objects

containerEl: null, // container element that all coordinates are constrained to. optionally assigned bounds: null,

constructor: function(grid) { this.grid = grid; },

// Queries the grid for the coordinates of all the cells build: function() { this.grid.build(); this.rowCoords = this.grid.computeRowCoords(); this.colCoords = this.grid.computeColCoords(); this.computeBounds(); },

// Clears the coordinates data to free up memory clear: function() { this.grid.clear(); this.rowCoords = null; this.colCoords = null; },

// Given a coordinate of the document, gets the associated cell. If no cell is underneath, returns null getCell: function(x, y) { var rowCoords = this.rowCoords; var rowCnt = rowCoords.length; var colCoords = this.colCoords; var colCnt = colCoords.length; var hitRow = null; var hitCol = null; var i, coords; var cell;

if (this.inBounds(x, y)) {

for (i = 0; i < rowCnt; i++) { coords = rowCoords[i]; if (y >= coords.top && y < coords.bottom) { hitRow = i; break; } }

for (i = 0; i < colCnt; i++) { coords = colCoords[i]; if (x >= coords.left && x < coords.right) { hitCol = i; break; } }

if (hitRow !== null && hitCol !== null) {

cell = this.grid.getCell(hitRow, hitCol); // expected to return a fresh object we can modify cell.grid = this.grid; // for CellDragListener's isCellsEqual. dragging between grids

// make the coordinates available on the cell object $.extend(cell, rowCoords[hitRow], colCoords[hitCol]);

return cell; } }

return null; },

// If there is a containerEl, compute the bounds into min/max values computeBounds: function() { this.bounds = this.containerEl ? getClientRect(this.containerEl) : // area within scrollbars null; },

// Determines if the given coordinates are in bounds. If no `containerEl`, always true inBounds: function(x, y) { var bounds = this.bounds;

if (bounds) { return x >= bounds.left && x < bounds.right && y >= bounds.top && y < bounds.bottom; }

return true; }

});

/* Coordinate map that is a combination of multiple other coordinate maps

*/

var ComboCoordMap = Class.extend({

coordMaps: null, // an array of CoordMaps

constructor: function(coordMaps) { this.coordMaps = coordMaps; },

// Builds all coordMaps build: function() { var coordMaps = this.coordMaps; var i;

for (i = 0; i < coordMaps.length; i++) { coordMaps[i].build(); } },

// Queries all coordMaps for the cell underneath the given coordinates, returning the first result getCell: function(x, y) { var coordMaps = this.coordMaps; var cell = null; var i;

for (i = 0; i < coordMaps.length && !cell; i++) { cell = coordMaps[i].getCell(x, y); }

return cell; },

// Clears all coordMaps clear: function() { var coordMaps = this.coordMaps; var i;

for (i = 0; i < coordMaps.length; i++) { coordMaps[i].clear(); } }

});

/* Tracks a drag's mouse movement, firing various handlers

*/

var DragListener = fc.DragListener = Class.extend({

options: null,

isListening: false, isDragging: false,

// coordinates of the initial mousedown originX: null, originY: null,

// handler attached to the document, bound to the DragListener's `this` mousemoveProxy: null, mouseupProxy: null,

// for IE8 bug-fighting behavior, for now subjectEl: null, // the element being draged. optional subjectHref: null,

scrollEl: null, scrollBounds: null, // { top, bottom, left, right } scrollTopVel: null, // pixels per second scrollLeftVel: null, // pixels per second scrollIntervalId: null, // ID of setTimeout for scrolling animation loop scrollHandlerProxy: null, // this-scoped function for handling when scrollEl is scrolled

scrollSensitivity: 30, // pixels from edge for scrolling to start scrollSpeed: 200, // pixels per second, at maximum speed scrollIntervalMs: 50, // millisecond wait between scroll increment

constructor: function(options) { options = options || {}; this.options = options; this.subjectEl = options.subjectEl; },

// Call this when the user does a mousedown. Will probably lead to startListening mousedown: function(ev) { if (isPrimaryMouseButton(ev)) {

ev.preventDefault(); // prevents native selection in most browsers

this.startListening(ev);

// start the drag immediately if there is no minimum distance for a drag start if (!this.options.distance) { this.startDrag(ev); } } },

// Call this to start tracking mouse movements startListening: function(ev) { var scrollParent;

if (!this.isListening) {

// grab scroll container and attach handler if (ev && this.options.scroll) { scrollParent = getScrollParent($(ev.target)); if (!scrollParent.is(window) && !scrollParent.is(document)) { this.scrollEl = scrollParent;

// scope to `this`, and use `debounce` to make sure rapid calls don't happen this.scrollHandlerProxy = debounce(proxy(this, 'scrollHandler'), 100); this.scrollEl.on('scroll', this.scrollHandlerProxy); } }

$(document) .on('mousemove', this.mousemoveProxy = proxy(this, 'mousemove')) .on('mouseup', this.mouseupProxy = proxy(this, 'mouseup')) .on('selectstart', this.preventDefault); // prevents native selection in IE<=8

if (ev) { this.originX = ev.pageX; this.originY = ev.pageY; } else { // if no starting information was given, origin will be the topleft corner of the screen. // if so, dx/dy in the future will be the absolute coordinates. this.originX = 0; this.originY = 0; }

this.isListening = true; this.listenStart(ev); } },

// Called when drag listening has started (but a real drag has not necessarily began) listenStart: function(ev) { this.trigger('listenStart', ev); },

// Called when the user moves the mouse mousemove: function(ev) { var dx = ev.pageX - this.originX; var dy = ev.pageY - this.originY; var minDistance; var distanceSq; // current distance from the origin, squared

if (!this.isDragging) { // if not already dragging... // then start the drag if the minimum distance criteria is met minDistance = this.options.distance || 1; distanceSq = dx * dx + dy * dy; if (distanceSq >= minDistance * minDistance) { // use pythagorean theorem this.startDrag(ev); } }

if (this.isDragging) { this.drag(dx, dy, ev); // report a drag, even if this mousemove initiated the drag } },

// Call this to initiate a legitimate drag. // This function is called internally from this class, but can also be called explicitly from outside startDrag: function(ev) {

if (!this.isListening) { // startDrag must have manually initiated this.startListening(); }

if (!this.isDragging) { this.isDragging = true; this.dragStart(ev); } },

// Called when the actual drag has started (went beyond minDistance) dragStart: function(ev) { var subjectEl = this.subjectEl;

this.trigger('dragStart', ev);

// remove a mousedown'd <a>'s href so it is not visited (IE8 bug) if ((this.subjectHref = subjectEl ? subjectEl.attr('href') : null)) { subjectEl.removeAttr('href'); } },

// Called while the mouse is being moved and when we know a legitimate drag is taking place drag: function(dx, dy, ev) { this.trigger('drag', dx, dy, ev); this.updateScroll(ev); // will possibly cause scrolling },

// Called when the user does a mouseup mouseup: function(ev) { this.stopListening(ev); },

// Called when the drag is over. Will not cause listening to stop however. // A concluding 'cellOut' event will NOT be triggered. stopDrag: function(ev) { if (this.isDragging) { this.stopScrolling(); this.dragStop(ev); this.isDragging = false; } },

// Called when dragging has been stopped dragStop: function(ev) { var _this = this;

this.trigger('dragStop', ev);

// restore a mousedown'd <a>'s href (for IE8 bug) setTimeout(function() { // must be outside of the click's execution if (_this.subjectHref) { _this.subjectEl.attr('href', _this.subjectHref); } }, 0); },

// Call this to stop listening to the user's mouse events stopListening: function(ev) { this.stopDrag(ev); // if there's a current drag, kill it

if (this.isListening) {

// remove the scroll handler if there is a scrollEl if (this.scrollEl) { this.scrollEl.off('scroll', this.scrollHandlerProxy); this.scrollHandlerProxy = null; }

$(document) .off('mousemove', this.mousemoveProxy) .off('mouseup', this.mouseupProxy) .off('selectstart', this.preventDefault);

this.mousemoveProxy = null; this.mouseupProxy = null;

this.isListening = false; this.listenStop(ev); } },

// Called when drag listening has stopped listenStop: function(ev) { this.trigger('listenStop', ev); },

// Triggers a callback. Calls a function in the option hash of the same name. // Arguments beyond the first `name` are forwarded on. trigger: function(name) { if (this.options[name]) { this.options[name].apply(this, Array.prototype.slice.call(arguments, 1)); } },

// Stops a given mouse event from doing it's native browser action. In our case, text selection. preventDefault: function(ev) { ev.preventDefault(); },

/* Scrolling ------------------------------------------------------------------------------------------------------------------*/

// Computes and stores the bounding rectangle of scrollEl computeScrollBounds: function() { var el = this.scrollEl;

this.scrollBounds = el ? getOuterRect(el) : null; // TODO: use getClientRect in future. but prevents auto scrolling when on top of scrollbars },

// Called when the dragging is in progress and scrolling should be updated updateScroll: function(ev) { var sensitivity = this.scrollSensitivity; var bounds = this.scrollBounds; var topCloseness, bottomCloseness; var leftCloseness, rightCloseness; var topVel = 0; var leftVel = 0;

if (bounds) { // only scroll if scrollEl exists

// compute closeness to edges. valid range is from 0.0 - 1.0 topCloseness = (sensitivity - (ev.pageY - bounds.top)) / sensitivity; bottomCloseness = (sensitivity - (bounds.bottom - ev.pageY)) / sensitivity; leftCloseness = (sensitivity - (ev.pageX - bounds.left)) / sensitivity; rightCloseness = (sensitivity - (bounds.right - ev.pageX)) / sensitivity;

// translate vertical closeness into velocity. // mouse must be completely in bounds for velocity to happen. if (topCloseness >= 0 && topCloseness <= 1) { topVel = topCloseness * this.scrollSpeed * -1; // negative. for scrolling up } else if (bottomCloseness >= 0 && bottomCloseness <= 1) { topVel = bottomCloseness * this.scrollSpeed; }

// translate horizontal closeness into velocity if (leftCloseness >= 0 && leftCloseness <= 1) { leftVel = leftCloseness * this.scrollSpeed * -1; // negative. for scrolling left } else if (rightCloseness >= 0 && rightCloseness <= 1) { leftVel = rightCloseness * this.scrollSpeed; } }

this.setScrollVel(topVel, leftVel); },

// Sets the speed-of-scrolling for the scrollEl setScrollVel: function(topVel, leftVel) {

this.scrollTopVel = topVel; this.scrollLeftVel = leftVel;

this.constrainScrollVel(); // massages into realistic values

// if there is non-zero velocity, and an animation loop hasn't already started, then START if ((this.scrollTopVel || this.scrollLeftVel) && !this.scrollIntervalId) { this.scrollIntervalId = setInterval( proxy(this, 'scrollIntervalFunc'), // scope to `this` this.scrollIntervalMs ); } },

// Forces scrollTopVel and scrollLeftVel to be zero if scrolling has already gone all the way constrainScrollVel: function() { var el = this.scrollEl;

if (this.scrollTopVel < 0) { // scrolling up? if (el.scrollTop() <= 0) { // already scrolled all the way up? this.scrollTopVel = 0; } } else if (this.scrollTopVel > 0) { // scrolling down? if (el.scrollTop() + el[0].clientHeight >= el[0].scrollHeight) { // already scrolled all the way down? this.scrollTopVel = 0; } }

if (this.scrollLeftVel < 0) { // scrolling left? if (el.scrollLeft() <= 0) { // already scrolled all the left? this.scrollLeftVel = 0; } } else if (this.scrollLeftVel > 0) { // scrolling right? if (el.scrollLeft() + el[0].clientWidth >= el[0].scrollWidth) { // already scrolled all the way right? this.scrollLeftVel = 0; } } },

// This function gets called during every iteration of the scrolling animation loop scrollIntervalFunc: function() { var el = this.scrollEl; var frac = this.scrollIntervalMs / 1000; // considering animation frequency, what the vel should be mult'd by

// change the value of scrollEl's scroll if (this.scrollTopVel) { el.scrollTop(el.scrollTop() + this.scrollTopVel * frac); } if (this.scrollLeftVel) { el.scrollLeft(el.scrollLeft() + this.scrollLeftVel * frac); }

this.constrainScrollVel(); // since the scroll values changed, recompute the velocities

// if scrolled all the way, which causes the vels to be zero, stop the animation loop if (!this.scrollTopVel && !this.scrollLeftVel) { this.stopScrolling(); } },

// Kills any existing scrolling animation loop stopScrolling: function() { if (this.scrollIntervalId) { clearInterval(this.scrollIntervalId); this.scrollIntervalId = null;

// when all done with scrolling, recompute positions since they probably changed this.scrollStop(); } },

// Get called when the scrollEl is scrolled (NOTE: this is delayed via debounce) scrollHandler: function() { // recompute all coordinates, but *only* if this is *not* part of our scrolling animation if (!this.scrollIntervalId) { this.scrollStop(); } },

// Called when scrolling has stopped, whether through auto scroll, or the user scrolling scrollStop: function() { }

});

/* Tracks mouse movements over a CoordMap and raises events about which cell the mouse is over.

options: - subjectEl - subjectCenter

/

var CellDragListener = DragListener.extend({

coordMap: null, // converts coordinates to date cells origCell: null, // the cell the mouse was over when listening started cell: null, // the cell the mouse is over coordAdjust: null, // delta that will be added to the mouse coordinates when computing collisions

constructor: function(coordMap, options) { DragListener.prototype.constructor.call(this, options); // call the super-constructor

this.coordMap = coordMap; },

// Called when drag listening starts (but a real drag has not necessarily began). // ev might be undefined if dragging was started manually. listenStart: function(ev) { var subjectEl = this.subjectEl; var subjectRect; var origPoint; var point;

DragListener.prototype.listenStart.apply(this, arguments); // call the super-method

this.computeCoords();

if (ev) { origPoint = { left: ev.pageX, top: ev.pageY }; point = origPoint;

// constrain the point to bounds of the element being dragged if (subjectEl) { subjectRect = getOuterRect(subjectEl); // used for centering as well point = constrainPoint(point, subjectRect); }

this.origCell = this.getCell(point.left, point.top);

// treat the center of the subject as the collision point? if (subjectEl && this.options.subjectCenter) {

// only consider the area the subject overlaps the cell. best for large subjects if (this.origCell) { subjectRect = intersectRects(this.origCell, subjectRect) || subjectRect; // in case there is no intersection }

point = getRectCenter(subjectRect); }

this.coordAdjust = diffPoints(point, origPoint); // point - origPoint } else { this.origCell = null; this.coordAdjust = null; } },

// Recomputes the drag-critical positions of elements computeCoords: function() { this.coordMap.build(); this.computeScrollBounds(); },

// Called when the actual drag has started dragStart: function(ev) { var cell;

DragListener.prototype.dragStart.apply(this, arguments); // call the super-method

cell = this.getCell(ev.pageX, ev.pageY); // might be different from this.origCell if the min-distance is large

// report the initial cell the mouse is over // especially important if no min-distance and drag starts immediately if (cell) { this.cellOver(cell); } },

// Called when the drag moves drag: function(dx, dy, ev) { var cell;

DragListener.prototype.drag.apply(this, arguments); // call the super-method

cell = this.getCell(ev.pageX, ev.pageY);

if (!isCellsEqual(cell, this.cell)) { // a different cell than before? if (this.cell) { this.cellOut(); } if (cell) { this.cellOver(cell); } } },

// Called when dragging has been stopped dragStop: function() { this.cellDone(); DragListener.prototype.dragStop.apply(this, arguments); // call the super-method },

// Called when a the mouse has just moved over a new cell cellOver: function(cell) { this.cell = cell; this.trigger('cellOver', cell, isCellsEqual(cell, this.origCell), this.origCell); },

// Called when the mouse has just moved out of a cell cellOut: function() { if (this.cell) { this.trigger('cellOut', this.cell); this.cellDone(); this.cell = null; } },

// Called after a cellOut. Also called before a dragStop cellDone: function() { if (this.cell) { this.trigger('cellDone', this.cell); } },

// Called when drag listening has stopped listenStop: function() { DragListener.prototype.listenStop.apply(this, arguments); // call the super-method

this.origCell = this.cell = null; this.coordMap.clear(); },

// Called when scrolling has stopped, whether through auto scroll, or the user scrolling scrollStop: function() { DragListener.prototype.scrollStop.apply(this, arguments); // call the super-method

this.computeCoords(); // cells' absolute positions will be in new places. recompute },

// Gets the cell underneath the coordinates for the given mouse event getCell: function(left, top) {

if (this.coordAdjust) { left += this.coordAdjust.left; top += this.coordAdjust.top; }

return this.coordMap.getCell(left, top); }

});

// Returns `true` if the cells are identically equal. `false` otherwise. // They must have the same row, col, and be from the same grid. // Two null values will be considered equal, as two "out of the grid" states are the same. function isCellsEqual(cell1, cell2) {

if (!cell1 && !cell2) { return true; }

if (cell1 && cell2) { return cell1.grid === cell2.grid && cell1.row === cell2.row && cell1.col === cell2.col; }

return false; }

/* Creates a clone of an element and lets it track the mouse as it moves

*/

var MouseFollower = Class.extend({

options: null,

sourceEl: null, // the element that will be cloned and made to look like it is dragging el: null, // the clone of `sourceEl` that will track the mouse parentEl: null, // the element that `el` (the clone) will be attached to

// the initial position of el, relative to the offset parent. made to match the initial offset of sourceEl top0: null, left0: null,

// the initial position of the mouse mouseY0: null, mouseX0: null,

// the number of pixels the mouse has moved from its initial position topDelta: null, leftDelta: null,

mousemoveProxy: null, // document mousemove handler, bound to the MouseFollower's `this`

isFollowing: false, isHidden: false, isAnimating: false, // doing the revert animation?

constructor: function(sourceEl, options) { this.options = options = options || {}; this.sourceEl = sourceEl; this.parentEl = options.parentEl ? $(options.parentEl) : sourceEl.parent(); // default to sourceEl's parent },

// Causes the element to start following the mouse start: function(ev) { if (!this.isFollowing) { this.isFollowing = true;

this.mouseY0 = ev.pageY; this.mouseX0 = ev.pageX; this.topDelta = 0; this.leftDelta = 0;

if (!this.isHidden) { this.updatePosition(); }

$(document).on('mousemove', this.mousemoveProxy = proxy(this, 'mousemove')); } },

// Causes the element to stop following the mouse. If shouldRevert is true, will animate back to original position. // `callback` gets invoked when the animation is complete. If no animation, it is invoked immediately. stop: function(shouldRevert, callback) { var _this = this; var revertDuration = this.options.revertDuration;

function complete() { this.isAnimating = false; _this.removeElement();

this.top0 = this.left0 = null; // reset state for future updatePosition calls

if (callback) { callback(); } }

if (this.isFollowing && !this.isAnimating) { // disallow more than one stop animation at a time this.isFollowing = false;

$(document).off('mousemove', this.mousemoveProxy);

if (shouldRevert && revertDuration && !this.isHidden) { // do a revert animation? this.isAnimating = true; this.el.animate({ top: this.top0, left: this.left0 }, { duration: revertDuration, complete: complete }); } else { complete(); } } },

// Gets the tracking element. Create it if necessary getEl: function() { var el = this.el;

if (!el) { this.sourceEl.width(); // hack to force IE8 to compute correct bounding box el = this.el = this.sourceEl.clone() .css({ position: 'absolute', visibility: , // in case original element was hidden (commonly through hideEvents()) display: this.isHidden ? 'none' : , // for when initially hidden margin: 0, right: 'auto', // erase and set width instead bottom: 'auto', // erase and set height instead width: this.sourceEl.width(), // explicit height in case there was a 'right' value height: this.sourceEl.height(), // explicit width in case there was a 'bottom' value opacity: this.options.opacity || , zIndex: this.options.zIndex }) .appendTo(this.parentEl); }

return el; },

// Removes the tracking element if it has already been created removeElement: function() { if (this.el) { this.el.remove(); this.el = null; } },

// Update the CSS position of the tracking element updatePosition: function() { var sourceOffset; var origin;

this.getEl(); // ensure this.el

// make sure origin info was computed if (this.top0 === null) { this.sourceEl.width(); // hack to force IE8 to compute correct bounding box sourceOffset = this.sourceEl.offset(); origin = this.el.offsetParent().offset(); this.top0 = sourceOffset.top - origin.top; this.left0 = sourceOffset.left - origin.left; }

this.el.css({ top: this.top0 + this.topDelta, left: this.left0 + this.leftDelta }); },

// Gets called when the user moves the mouse mousemove: function(ev) { this.topDelta = ev.pageY - this.mouseY0; this.leftDelta = ev.pageX - this.mouseX0;

if (!this.isHidden) { this.updatePosition(); } },

// Temporarily makes the tracking element invisible. Can be called before following starts hide: function() { if (!this.isHidden) { this.isHidden = true; if (this.el) { this.el.hide(); } } },

// Show the tracking element after it has been temporarily hidden show: function() { if (this.isHidden) { this.isHidden = false; this.updatePosition(); this.getEl().show(); } }

});

/* A utility class for rendering <tr> rows.

*/

// It leverages methods of the subclass and the View to determine custom rendering behavior for each row "type" // (such as highlight rows, day rows, helper rows, etc).

var RowRenderer = Class.extend({

view: null, // a View object isRTL: null, // shortcut to the view's isRTL option cellHtml: '<td/>', // plain default HTML used for a cell when no other is available

constructor: function(view) { this.view = view; this.isRTL = view.opt('isRTL'); },

// Renders the HTML for a row, leveraging custom cell-HTML-renderers based on the `rowType`. // Also applies the "intro" and "outro" cells, which are specified by the subclass and views. // `row` is an optional row number. rowHtml: function(rowType, row) { var renderCell = this.getHtmlRenderer('cell', rowType); var rowCellHtml = ; var col; var cell;

row = row || 0;

for (col = 0; col < this.colCnt; col++) { cell = this.getCell(row, col); rowCellHtml += renderCell(cell); }

rowCellHtml = this.bookendCells(rowCellHtml, rowType, row); // apply intro and outro

return '<tr>' + rowCellHtml + '</tr>'; },

// Applies the "intro" and "outro" HTML to the given cells. // Intro means the leftmost cell when the calendar is LTR and the rightmost cell when RTL. Vice-versa for outro. // `cells` can be an HTML string of <td>'s or a jQuery <tr> element // `row` is an optional row number. bookendCells: function(cells, rowType, row) { var intro = this.getHtmlRenderer('intro', rowType)(row || 0); var outro = this.getHtmlRenderer('outro', rowType)(row || 0); var prependHtml = this.isRTL ? outro : intro; var appendHtml = this.isRTL ? intro : outro;

if (typeof cells === 'string') { return prependHtml + cells + appendHtml; } else { // a jQuery <tr> element return cells.prepend(prependHtml).append(appendHtml); } },

// Returns an HTML-rendering function given a specific `rendererName` (like cell, intro, or outro) and a specific // `rowType` (like day, eventSkeleton, helperSkeleton), which is optional. // If a renderer for the specific rowType doesn't exist, it will fall back to a generic renderer. // We will query the View object first for any custom rendering functions, then the methods of the subclass. getHtmlRenderer: function(rendererName, rowType) { var view = this.view; var generalName; // like "cellHtml" var specificName; // like "dayCellHtml". based on rowType var provider; // either the View or the RowRenderer subclass, whichever provided the method var renderer;

generalName = rendererName + 'Html'; if (rowType) { specificName = rowType + capitaliseFirstLetter(rendererName) + 'Html'; }

if (specificName && (renderer = view[specificName])) { provider = view; } else if (specificName && (renderer = this[specificName])) { provider = this; } else if ((renderer = view[generalName])) { provider = view; } else if ((renderer = this[generalName])) { provider = this; }

if (typeof renderer === 'function') { return function() { return renderer.apply(provider, arguments) || ; // use correct `this` and always return a string }; }

// the rendered can be a plain string as well. if not specified, always an empty string. return function() { return renderer || ; }; }

});

/* An abstract class comprised of a "grid" of cells that each represent a specific datetime

*/

var Grid = fc.Grid = RowRenderer.extend({

start: null, // the date of the first cell end: null, // the date after the last cell

rowCnt: 0, // number of rows colCnt: 0, // number of cols

el: null, // the containing element coordMap: null, // a GridCoordMap that converts pixel values to datetimes elsByFill: null, // a hash of jQuery element sets used for rendering each fill. Keyed by fill name.

externalDragStartProxy: null, // binds the Grid's scope to externalDragStart (in DayGrid.events)

// derived from options colHeadFormat: null, // TODO: move to another class. not applicable to all Grids eventTimeFormat: null, displayEventTime: null, displayEventEnd: null,

// if all cells are the same length of time, the duration they all share. optional. // when defined, allows the computeCellRange shortcut, as well as improved resizing behavior. cellDuration: null,

// if defined, holds the unit identified (ex: "year" or "month") that determines the level of granularity // of the date cells. if not defined, assumes to be day and time granularity. largeUnit: null,

constructor: function() { RowRenderer.apply(this, arguments); // call the super-constructor

this.coordMap = new GridCoordMap(this); this.elsByFill = {}; this.externalDragStartProxy = proxy(this, 'externalDragStart'); },

/* Options ------------------------------------------------------------------------------------------------------------------*/

// Generates the format string used for the text in column headers, if not explicitly defined by 'columnFormat' // TODO: move to another class. not applicable to all Grids computeColHeadFormat: function() { // subclasses must implement if they want to use headHtml() },

// Generates the format string used for event time text, if not explicitly defined by 'timeFormat' computeEventTimeFormat: function() { return this.view.opt('smallTimeFormat'); },

// Determines whether events should have their end times displayed, if not explicitly defined by 'displayEventTime'. // Only applies to non-all-day events. computeDisplayEventTime: function() { return true; },

// Determines whether events should have their end times displayed, if not explicitly defined by 'displayEventEnd' computeDisplayEventEnd: function() { return true; },

/* Dates ------------------------------------------------------------------------------------------------------------------*/

// Tells the grid about what period of time to display. // Any date-related cell system internal data should be generated. setRange: function(range) { this.start = range.start.clone(); this.end = range.end.clone();

this.rangeUpdated(); this.processRangeOptions(); },

// Called when internal variables that rely on the range should be updated rangeUpdated: function() { },

// Updates values that rely on options and also relate to range processRangeOptions: function() { var view = this.view; var displayEventTime; var displayEventEnd;

// Populate option-derived settings. Look for override first, then compute if necessary. this.colHeadFormat = view.opt('columnFormat') || this.computeColHeadFormat();

this.eventTimeFormat = view.opt('eventTimeFormat') || view.opt('timeFormat') || // deprecated this.computeEventTimeFormat();

displayEventTime = view.opt('displayEventTime'); if (displayEventTime == null) { displayEventTime = this.computeDisplayEventTime(); // might be based off of range }

displayEventEnd = view.opt('displayEventEnd'); if (displayEventEnd == null) { displayEventEnd = this.computeDisplayEventEnd(); // might be based off of range }

this.displayEventTime = displayEventTime; this.displayEventEnd = displayEventEnd; },

// Called before the grid's coordinates will need to be queried for cells. // Any non-date-related cell system internal data should be built. build: function() { },

// Called after the grid's coordinates are done being relied upon. // Any non-date-related cell system internal data should be cleared. clear: function() { },

// Converts a range with an inclusive `start` and an exclusive `end` into an array of segment objects rangeToSegs: function(range) { // subclasses must implement },

// Diffs the two dates, returning a duration, based on granularity of the grid diffDates: function(a, b) { if (this.largeUnit) { return diffByUnit(a, b, this.largeUnit); } else { return diffDayTime(a, b); } },

/* Cells ------------------------------------------------------------------------------------------------------------------*/ // NOTE: columns are ordered left-to-right

// Gets an object containing row/col number, misc data, and range information about the cell. // Accepts row/col values, an object with row/col properties, or a single-number offset from the first cell. getCell: function(row, col) { var cell;

if (col == null) { if (typeof row === 'number') { // a single-number offset col = row % this.colCnt; row = Math.floor(row / this.colCnt); } else { // an object with row/col properties col = row.col; row = row.row; } }

cell = { row: row, col: col };

$.extend(cell, this.getRowData(row), this.getColData(col)); $.extend(cell, this.computeCellRange(cell));

return cell; },

// Given a cell object with index and misc data, generates a range object // If the grid is leveraging cellDuration, this doesn't need to be defined. Only computeCellDate does. // If being overridden, should return a range with reference-free date copies. computeCellRange: function(cell) { var date = this.computeCellDate(cell);

return { start: date, end: date.clone().add(this.cellDuration) }; },

// Given a cell, returns its start date. Should return a reference-free date copy. computeCellDate: function(cell) { // subclasses can implement },

// Retrieves misc data about the given row getRowData: function(row) { return {}; },

// Retrieves misc data baout the given column getColData: function(col) { return {}; },

// Retrieves the element representing the given row getRowEl: function(row) { // subclasses should implement if leveraging the default getCellDayEl() or computeRowCoords() },

// Retrieves the element representing the given column getColEl: function(col) { // subclasses should implement if leveraging the default getCellDayEl() or computeColCoords() },

// Given a cell object, returns the element that represents the cell's whole-day getCellDayEl: function(cell) { return this.getColEl(cell.col) || this.getRowEl(cell.row); },

/* Cell Coordinates ------------------------------------------------------------------------------------------------------------------*/

// Computes the top/bottom coordinates of all rows. // By default, queries the dimensions of the element provided by getRowEl(). computeRowCoords: function() { var items = []; var i, el; var top;

for (i = 0; i < this.rowCnt; i++) { el = this.getRowEl(i); top = el.offset().top; items.push({ top: top, bottom: top + el.outerHeight() }); }

return items; },

// Computes the left/right coordinates of all rows. // By default, queries the dimensions of the element provided by getColEl(). Columns can be LTR or RTL. computeColCoords: function() { var items = []; var i, el; var left;

for (i = 0; i < this.colCnt; i++) { el = this.getColEl(i); left = el.offset().left; items.push({ left: left, right: left + el.outerWidth() }); }

return items; },

/* Rendering ------------------------------------------------------------------------------------------------------------------*/

// Sets the container element that the grid should render inside of. // Does other DOM-related initializations. setElement: function(el) { var _this = this;

this.el = el;

// attach a handler to the grid's root element. // jQuery will take care of unregistering them when removeElement gets called. el.on('mousedown', function(ev) { if ( !$(ev.target).is('.fc-event-container *, .fc-more') && // not an an event element, or "more.." link !$(ev.target).closest('.fc-popover').length // not on a popover (like the "more.." events one) ) { _this.dayMousedown(ev); } });

// attach event-element-related handlers. in Grid.events // same garbage collection note as above. this.bindSegHandlers();

this.bindGlobalHandlers(); },

// Removes the grid's container element from the DOM. Undoes any other DOM-related attachments. // DOES NOT remove any content beforehand (doesn't clear events or call unrenderDates), unlike View removeElement: function() { this.unbindGlobalHandlers();

this.el.remove();

// NOTE: we don't null-out this.el for the same reasons we don't do it within View::removeElement },

// Renders the basic structure of grid view before any content is rendered renderSkeleton: function() { // subclasses should implement },

// Renders the grid's date-related content (like cells that represent days/times). // Assumes setRange has already been called and the skeleton has already been rendered. renderDates: function() { // subclasses should implement },

// Unrenders the grid's date-related content unrenderDates: function() { // subclasses should implement },

/* Handlers ------------------------------------------------------------------------------------------------------------------*/

// Binds DOM handlers to elements that reside outside the grid, such as the document bindGlobalHandlers: function() { $(document).on('dragstart sortstart', this.externalDragStartProxy); // jqui },

// Unbinds DOM handlers from elements that reside outside the grid unbindGlobalHandlers: function() { $(document).off('dragstart sortstart', this.externalDragStartProxy); // jqui },

// Process a mousedown on an element that represents a day. For day clicking and selecting. dayMousedown: function(ev) { var _this = this; var view = this.view; var isSelectable = view.opt('selectable'); var dayClickCell; // null if invalid dayClick var selectionRange; // null if invalid selection

// this listener tracks a mousedown on a day element, and a subsequent drag. // if the drag ends on the same day, it is a 'dayClick'. // if 'selectable' is enabled, this listener also detects selections. var dragListener = new CellDragListener(this.coordMap, { //distance: 5, // needs more work if we want dayClick to fire correctly scroll: view.opt('dragScroll'), dragStart: function() { view.unselect(); // since we could be rendering a new selection, we want to clear any old one }, cellOver: function(cell, isOrig, origCell) { if (origCell) { // click needs to have started on a cell dayClickCell = isOrig ? cell : null; // single-cell selection is a day click if (isSelectable) { selectionRange = _this.computeSelection(origCell, cell); if (selectionRange) { _this.renderSelection(selectionRange); } else { disableCursor(); } } } }, cellOut: function(cell) { dayClickCell = null; selectionRange = null; _this.unrenderSelection(); enableCursor(); }, listenStop: function(ev) { if (dayClickCell) { view.triggerDayClick(dayClickCell, _this.getCellDayEl(dayClickCell), ev); } if (selectionRange) { // the selection will already have been rendered. just report it view.reportSelection(selectionRange, ev); } enableCursor(); } });

dragListener.mousedown(ev); // start listening, which will eventually initiate a dragStart },

/* Event Helper ------------------------------------------------------------------------------------------------------------------*/ // TODO: should probably move this to Grid.events, like we did event dragging / resizing

// Renders a mock event over the given range renderRangeHelper: function(range, sourceSeg) { var fakeEvent = this.fabricateHelperEvent(range, sourceSeg);

this.renderHelper(fakeEvent, sourceSeg); // do the actual rendering },

// Builds a fake event given a date range it should cover, and a segment is should be inspired from. // The range's end can be null, in which case the mock event that is rendered will have a null end time. // `sourceSeg` is the internal segment object involved in the drag. If null, something external is dragging. fabricateHelperEvent: function(range, sourceSeg) { var fakeEvent = sourceSeg ? createObject(sourceSeg.event) : {}; // mask the original event object if possible

fakeEvent.start = range.start.clone(); fakeEvent.end = range.end ? range.end.clone() : null; fakeEvent.allDay = null; // force it to be freshly computed by normalizeEventRange this.view.calendar.normalizeEventRange(fakeEvent);

// this extra className will be useful for differentiating real events from mock events in CSS fakeEvent.className = (fakeEvent.className || []).concat('fc-helper');

// if something external is being dragged in, don't render a resizer if (!sourceSeg) { fakeEvent.editable = false; }

return fakeEvent; },

// Renders a mock event renderHelper: function(event, sourceSeg) { // subclasses must implement },

// Unrenders a mock event unrenderHelper: function() { // subclasses must implement },

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

// Renders a visual indication of a selection. Will highlight by default but can be overridden by subclasses. renderSelection: function(range) { this.renderHighlight(this.selectionRangeToSegs(range)); },

// Unrenders any visual indications of a selection. Will unrender a highlight by default. unrenderSelection: function() { this.unrenderHighlight(); },

// Given the first and last cells of a selection, returns a range object. // Will return something falsy if the selection is invalid (when outside of selectionConstraint for example). // Subclasses can override and provide additional data in the range object. Will be passed to renderSelection(). computeSelection: function(firstCell, lastCell) { var dates = [ firstCell.start, firstCell.end, lastCell.start, lastCell.end ]; var range;

dates.sort(compareNumbers); // sorts chronologically. works with Moments

range = { start: dates[0].clone(), end: dates[3].clone() };

if (!this.view.calendar.isSelectionRangeAllowed(range)) { return null; }

return range; },

selectionRangeToSegs: function(range) { return this.rangeToSegs(range); },

/* Highlight ------------------------------------------------------------------------------------------------------------------*/

// Renders an emphasis on the given date range. Given an array of segments. renderHighlight: function(segs) { this.renderFill('highlight', segs); },

// Unrenders the emphasis on a date range unrenderHighlight: function() { this.unrenderFill('highlight'); },

// Generates an array of classNames for rendering the highlight. Used by the fill system. highlightSegClasses: function() { return [ 'fc-highlight' ]; },

/* Fill System (highlight, background events, business hours) ------------------------------------------------------------------------------------------------------------------*/

// Renders a set of rectangles over the given segments of time. // MUST RETURN a subset of segs, the segs that were actually rendered. // Responsible for populating this.elsByFill. TODO: better API for expressing this requirement renderFill: function(type, segs) { // subclasses must implement },

// Unrenders a specific type of fill that is currently rendered on the grid unrenderFill: function(type) { var el = this.elsByFill[type];

if (el) { el.remove(); delete this.elsByFill[type]; } },

// Renders and assigns an `el` property for each fill segment. Generic enough to work with different types. // Only returns segments that successfully rendered. // To be harnessed by renderFill (implemented by subclasses). // Analagous to renderFgSegEls. renderFillSegEls: function(type, segs) { var _this = this; var segElMethod = this[type + 'SegEl']; var html = ; var renderedSegs = []; var i;

if (segs.length) {

// build a large concatenation of segment HTML for (i = 0; i < segs.length; i++) { html += this.fillSegHtml(type, segs[i]); }

// Grab individual elements from the combined HTML string. Use each as the default rendering. // Then, compute the 'el' for each segment. $(html).each(function(i, node) { var seg = segs[i]; var el = $(node);

// allow custom filter methods per-type if (segElMethod) { el = segElMethod.call(_this, seg, el); }

if (el) { // custom filters did not cancel the render el = $(el); // allow custom filter to return raw DOM node

// correct element type? (would be bad if a non-TD were inserted into a table for example) if (el.is(_this.fillSegTag)) { seg.el = el; renderedSegs.push(seg); } } }); }

return renderedSegs; },

fillSegTag: 'div', // subclasses can override

// Builds the HTML needed for one fill segment. Generic enought o work with different types. fillSegHtml: function(type, seg) {

// custom hooks per-type var classesMethod = this[type + 'SegClasses']; var cssMethod = this[type + 'SegCss'];

var classes = classesMethod ? classesMethod.call(this, seg) : []; var css = cssToStr(cssMethod ? cssMethod.call(this, seg) : {});

return '<' + this.fillSegTag + (classes.length ? ' class="' + classes.join(' ') + '"' : ) + (css ? ' style="' + css + '"' : ) + ' />'; },

/* Generic rendering utilities for subclasses ------------------------------------------------------------------------------------------------------------------*/

// Renders a day-of-week header row. // TODO: move to another class. not applicable to all Grids headHtml: function() { return +

'

' + '' + '<thead>' + this.rowHtml('head') + // leverages RowRenderer '</thead>' + '

' + '

';

},

// Used by the `headHtml` method, via RowRenderer, for rendering the HTML of a day-of-week header cell // TODO: move to another class. not applicable to all Grids headCellHtml: function(cell) { var view = this.view; var date = cell.start;

return + '<th class="fc-day-header ' + view.widgetHeaderClass + ' fc-' + dayIDs[date.day()] + '">' + htmlEscape(date.format(this.colHeadFormat)) + '</th>'; },

// Renders the HTML for a single-day background cell bgCellHtml: function(cell) { var view = this.view; var date = cell.start; var classes = this.getDayClasses(date);

classes.unshift('fc-day', view.widgetContentClass);

return '<td class="' + classes.join(' ') + '"' + ' data-date="' + date.format('YYYY-MM-DD') + '"' + // if date has a time, won't format it '></td>'; },

// Computes HTML classNames for a single-day cell getDayClasses: function(date) { var view = this.view; var today = view.calendar.getNow().stripTime(); var classes = [ 'fc-' + dayIDs[date.day()] ];

if ( view.intervalDuration.as('months') == 1 && date.month() != view.intervalStart.month() ) { classes.push('fc-other-month'); }

if (date.isSame(today, 'day')) { classes.push( 'fc-today', view.highlightStateClass ); } else if (date < today) { classes.push('fc-past'); } else { classes.push('fc-future'); }

return classes; }

});

/* Event-rendering and event-interaction methods for the abstract Grid class

*/

Grid.mixin({

mousedOverSeg: null, // the segment object the user's mouse is over. null if over nothing isDraggingSeg: false, // is a segment being dragged? boolean isResizingSeg: false, // is a segment being resized? boolean isDraggingExternal: false, // jqui-dragging an external element? boolean segs: null, // the event segments currently rendered in the grid

// Renders the given events onto the grid renderEvents: function(events) { var segs = this.eventsToSegs(events); var bgSegs = []; var fgSegs = []; var i, seg;

for (i = 0; i < segs.length; i++) { seg = segs[i];

if (isBgEvent(seg.event)) { bgSegs.push(seg); } else { fgSegs.push(seg); } }

// Render each different type of segment. // Each function may return a subset of the segs, segs that were actually rendered. bgSegs = this.renderBgSegs(bgSegs) || bgSegs; fgSegs = this.renderFgSegs(fgSegs) || fgSegs;

this.segs = bgSegs.concat(fgSegs); },

// Unrenders all events currently rendered on the grid unrenderEvents: function() { this.triggerSegMouseout(); // trigger an eventMouseout if user's mouse is over an event

this.unrenderFgSegs(); this.unrenderBgSegs();

this.segs = null; },

// Retrieves all rendered segment objects currently rendered on the grid getEventSegs: function() { return this.segs || []; },

/* Foreground Segment Rendering ------------------------------------------------------------------------------------------------------------------*/

// Renders foreground event segments onto the grid. May return a subset of segs that were rendered. renderFgSegs: function(segs) { // subclasses must implement },

// Unrenders all currently rendered foreground segments unrenderFgSegs: function() { // subclasses must implement },

// Renders and assigns an `el` property for each foreground event segment. // Only returns segments that successfully rendered. // A utility that subclasses may use. renderFgSegEls: function(segs, disableResizing) { var view = this.view; var html = ; var renderedSegs = []; var i;

if (segs.length) { // don't build an empty html string

// build a large concatenation of event segment HTML for (i = 0; i < segs.length; i++) { html += this.fgSegHtml(segs[i], disableResizing); }

// Grab individual elements from the combined HTML string. Use each as the default rendering. // Then, compute the 'el' for each segment. An el might be null if the eventRender callback returned false. $(html).each(function(i, node) { var seg = segs[i]; var el = view.resolveEventEl(seg.event, $(node));

if (el) { el.data('fc-seg', seg); // used by handlers seg.el = el; renderedSegs.push(seg); } }); }

return renderedSegs; },

// Generates the HTML for the default rendering of a foreground event segment. Used by renderFgSegEls() fgSegHtml: function(seg, disableResizing) { // subclasses should implement },

/* Background Segment Rendering ------------------------------------------------------------------------------------------------------------------*/

// Renders the given background event segments onto the grid. // Returns a subset of the segs that were actually rendered. renderBgSegs: function(segs) { return this.renderFill('bgEvent', segs); },

// Unrenders all the currently rendered background event segments unrenderBgSegs: function() { this.unrenderFill('bgEvent'); },

// Renders a background event element, given the default rendering. Called by the fill system. bgEventSegEl: function(seg, el) { return this.view.resolveEventEl(seg.event, el); // will filter through eventRender },

// Generates an array of classNames to be used for the default rendering of a background event. // Called by the fill system. bgEventSegClasses: function(seg) { var event = seg.event; var source = event.source || {};

return [ 'fc-bgevent' ].concat( event.className, source.className || [] ); },

// Generates a semicolon-separated CSS string to be used for the default rendering of a background event. // Called by the fill system. // TODO: consolidate with getEventSkinCss? bgEventSegCss: function(seg) { var view = this.view; var event = seg.event; var source = event.source || {};

return { 'background-color': event.backgroundColor || event.color || source.backgroundColor || source.color || view.opt('eventBackgroundColor') || view.opt('eventColor') }; },

// Generates an array of classNames to be used for the rendering business hours overlay. Called by the fill system. businessHoursSegClasses: function(seg) { return [ 'fc-nonbusiness', 'fc-bgevent' ]; },

/* Handlers ------------------------------------------------------------------------------------------------------------------*/

// Attaches event-element-related handlers to the container element and leverage bubbling bindSegHandlers: function() { var _this = this; var view = this.view;

$.each( { mouseenter: function(seg, ev) { _this.triggerSegMouseover(seg, ev); }, mouseleave: function(seg, ev) { _this.triggerSegMouseout(seg, ev); }, click: function(seg, ev) { return view.trigger('eventClick', this, seg.event, ev); // can return `false` to cancel }, mousedown: function(seg, ev) { if ($(ev.target).is('.fc-resizer') && view.isEventResizable(seg.event)) { _this.segResizeMousedown(seg, ev, $(ev.target).is('.fc-start-resizer')); } else if (view.isEventDraggable(seg.event)) { _this.segDragMousedown(seg, ev); } } }, function(name, func) { // attach the handler to the container element and only listen for real event elements via bubbling _this.el.on(name, '.fc-event-container > *', function(ev) { var seg = $(this).data('fc-seg'); // grab segment data. put there by View::renderEvents

// only call the handlers if there is not a drag/resize in progress if (seg && !_this.isDraggingSeg && !_this.isResizingSeg) { return func.call(this, seg, ev); // `this` will be the event element } }); } ); },

// Updates internal state and triggers handlers for when an event element is moused over triggerSegMouseover: function(seg, ev) { if (!this.mousedOverSeg) { this.mousedOverSeg = seg; this.view.trigger('eventMouseover', seg.el[0], seg.event, ev); } },

// Updates internal state and triggers handlers for when an event element is moused out. // Can be given no arguments, in which case it will mouseout the segment that was previously moused over. triggerSegMouseout: function(seg, ev) { ev = ev || {}; // if given no args, make a mock mouse event

if (this.mousedOverSeg) { seg = seg || this.mousedOverSeg; // if given no args, use the currently moused-over segment this.mousedOverSeg = null; this.view.trigger('eventMouseout', seg.el[0], seg.event, ev); } },

/* Event Dragging ------------------------------------------------------------------------------------------------------------------*/

// Called when the user does a mousedown on an event, which might lead to dragging. // Generic enough to work with any type of Grid. segDragMousedown: function(seg, ev) { var _this = this; var view = this.view; var calendar = view.calendar; var el = seg.el; var event = seg.event; var dropLocation;

// A clone of the original element that will move with the mouse var mouseFollower = new MouseFollower(seg.el, { parentEl: view.el, opacity: view.opt('dragOpacity'), revertDuration: view.opt('dragRevertDuration'), zIndex: 2 // one above the .fc-view });

// Tracks mouse movement over the *view's* coordinate map. Allows dragging and dropping between subcomponents // of the view. var dragListener = new CellDragListener(view.coordMap, { distance: 5, scroll: view.opt('dragScroll'), subjectEl: el, subjectCenter: true, listenStart: function(ev) { mouseFollower.hide(); // don't show until we know this is a real drag mouseFollower.start(ev); }, dragStart: function(ev) { _this.triggerSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported _this.segDragStart(seg, ev); view.hideEvent(event); // hide all event segments. our mouseFollower will take over }, cellOver: function(cell, isOrig, origCell) {

// starting cell could be forced (DayGrid.limit) if (seg.cell) { origCell = seg.cell; }

dropLocation = _this.computeEventDrop(origCell, cell, event);

if (dropLocation && !calendar.isEventRangeAllowed(dropLocation, event)) { disableCursor(); dropLocation = null; }

// if a valid drop location, have the subclass render a visual indication if (dropLocation && view.renderDrag(dropLocation, seg)) { mouseFollower.hide(); // if the subclass is already using a mock event "helper", hide our own } else { mouseFollower.show(); // otherwise, have the helper follow the mouse (no snapping) }

if (isOrig) { dropLocation = null; // needs to have moved cells to be a valid drop } }, cellOut: function() { // called before mouse moves to a different cell OR moved out of all cells view.unrenderDrag(); // unrender whatever was done in renderDrag mouseFollower.show(); // show in case we are moving out of all cells dropLocation = null; }, cellDone: function() { // Called after a cellOut OR before a dragStop enableCursor(); }, dragStop: function(ev) { // do revert animation if hasn't changed. calls a callback when finished (whether animation or not) mouseFollower.stop(!dropLocation, function() { view.unrenderDrag(); view.showEvent(event); _this.segDragStop(seg, ev);

if (dropLocation) { view.reportEventDrop(event, dropLocation, this.largeUnit, el, ev); } }); }, listenStop: function() { mouseFollower.stop(); // put in listenStop in case there was a mousedown but the drag never started } });

dragListener.mousedown(ev); // start listening, which will eventually lead to a dragStart },

// Called before event segment dragging starts segDragStart: function(seg, ev) { this.isDraggingSeg = true; this.view.trigger('eventDragStart', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy },

// Called after event segment dragging stops segDragStop: function(seg, ev) { this.isDraggingSeg = false; this.view.trigger('eventDragStop', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy },

// Given the cell an event drag began, and the cell event was dropped, calculates the new start/end/allDay // values for the event. Subclasses may override and set additional properties to be used by renderDrag. // A falsy returned value indicates an invalid drop. computeEventDrop: function(startCell, endCell, event) { var calendar = this.view.calendar; var dragStart = startCell.start; var dragEnd = endCell.start; var delta; var dropLocation;

if (dragStart.hasTime() === dragEnd.hasTime()) { delta = this.diffDates(dragEnd, dragStart);

// if an all-day event was in a timed area and it was dragged to a different time, // guarantee an end and adjust start/end to have times if (event.allDay && durationHasTime(delta)) { dropLocation = { start: event.start.clone(), end: calendar.getEventEnd(event), // will be an ambig day allDay: false // for normalizeEventRangeTimes }; calendar.normalizeEventRangeTimes(dropLocation); } // othewise, work off existing values else { dropLocation = { start: event.start.clone(), end: event.end ? event.end.clone() : null, allDay: event.allDay // keep it the same }; }

dropLocation.start.add(delta); if (dropLocation.end) { dropLocation.end.add(delta); } } else { // if switching from day <-> timed, start should be reset to the dropped date, and the end cleared dropLocation = { start: dragEnd.clone(), end: null, // end should be cleared allDay: !dragEnd.hasTime() }; }

return dropLocation; },

// Utility for apply dragOpacity to a jQuery set applyDragOpacity: function(els) { var opacity = this.view.opt('dragOpacity');

if (opacity != null) { els.each(function(i, node) { // Don't use jQuery (will set an IE filter), do it the old fashioned way. // In IE8, a helper element will disappears if there's a filter. node.style.opacity = opacity; }); } },

/* External Element Dragging ------------------------------------------------------------------------------------------------------------------*/

// Called when a jQuery UI drag is initiated anywhere in the DOM externalDragStart: function(ev, ui) { var view = this.view; var el; var accept;

if (view.opt('droppable')) { // only listen if this setting is on el = $((ui ? ui.item : null) || ev.target);

// Test that the dragged element passes the dropAccept selector or filter function. // FYI, the default is "*" (matches all) accept = view.opt('dropAccept'); if ($.isFunction(accept) ? accept.call(el[0], el) : el.is(accept)) { if (!this.isDraggingExternal) { // prevent double-listening if fired twice this.listenToExternalDrag(el, ev, ui); } } } },

// Called when a jQuery UI drag starts and it needs to be monitored for cell dropping listenToExternalDrag: function(el, ev, ui) { var _this = this; var meta = getDraggedElMeta(el); // extra data about event drop, including possible event to create var dragListener; var dropLocation; // a null value signals an unsuccessful drag

// listener that tracks mouse movement over date-associated pixel regions dragListener = new CellDragListener(this.coordMap, { listenStart: function() { _this.isDraggingExternal = true; }, cellOver: function(cell) { dropLocation = _this.computeExternalDrop(cell, meta); if (dropLocation) { _this.renderDrag(dropLocation); // called without a seg parameter } else { // invalid drop cell disableCursor(); } }, cellOut: function() { dropLocation = null; // signal unsuccessful _this.unrenderDrag(); enableCursor(); }, dragStop: function() { _this.unrenderDrag(); enableCursor();

if (dropLocation) { // element was dropped on a valid date/time cell _this.view.reportExternalDrop(meta, dropLocation, el, ev, ui); } }, listenStop: function() { _this.isDraggingExternal = false; } });

dragListener.startDrag(ev); // start listening immediately },

// Given a cell to be dropped upon, and misc data associated with the jqui drag (guaranteed to be a plain object), // returns start/end dates for the event that would result from the hypothetical drop. end might be null. // Returning a null value signals an invalid drop cell. computeExternalDrop: function(cell, meta) { var dropLocation = { start: cell.start.clone(), end: null };

// if dropped on an all-day cell, and element's metadata specified a time, set it if (meta.startTime && !dropLocation.start.hasTime()) { dropLocation.start.time(meta.startTime); }

if (meta.duration) { dropLocation.end = dropLocation.start.clone().add(meta.duration); }

if (!this.view.calendar.isExternalDropRangeAllowed(dropLocation, meta.eventProps)) { return null; }

return dropLocation; },

/* Drag Rendering (for both events and an external elements) ------------------------------------------------------------------------------------------------------------------*/

// Renders a visual indication of an event or external element being dragged. // `dropLocation` contains hypothetical start/end/allDay values the event would have if dropped. end can be null. // `seg` is the internal segment object that is being dragged. If dragging an external element, `seg` is null. // A truthy returned value indicates this method has rendered a helper element. renderDrag: function(dropLocation, seg) { // subclasses must implement },

// Unrenders a visual indication of an event or external element being dragged unrenderDrag: function() { // subclasses must implement },

/* Resizing ------------------------------------------------------------------------------------------------------------------*/

// Called when the user does a mousedown on an event's resizer, which might lead to resizing. // Generic enough to work with any type of Grid. segResizeMousedown: function(seg, ev, isStart) { var _this = this; var view = this.view; var calendar = view.calendar; var el = seg.el; var event = seg.event; var eventEnd = calendar.getEventEnd(event); var dragListener; var resizeLocation; // falsy if invalid resize

// Tracks mouse movement over the *grid's* coordinate map dragListener = new CellDragListener(this.coordMap, { distance: 5, scroll: view.opt('dragScroll'), subjectEl: el, dragStart: function(ev) { _this.triggerSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported _this.segResizeStart(seg, ev); }, cellOver: function(cell, isOrig, origCell) { resizeLocation = isStart ? _this.computeEventStartResize(origCell, cell, event) : _this.computeEventEndResize(origCell, cell, event);

if (resizeLocation) { if (!calendar.isEventRangeAllowed(resizeLocation, event)) { disableCursor(); resizeLocation = null; } // no change? (TODO: how does this work with timezones?) else if (resizeLocation.start.isSame(event.start) && resizeLocation.end.isSame(eventEnd)) { resizeLocation = null; } }

if (resizeLocation) { view.hideEvent(event); _this.renderEventResize(resizeLocation, seg); } }, cellOut: function() { // called before mouse moves to a different cell OR moved out of all cells resizeLocation = null; }, cellDone: function() { // resets the rendering to show the original event _this.unrenderEventResize(); view.showEvent(event); enableCursor(); }, dragStop: function(ev) { _this.segResizeStop(seg, ev);

if (resizeLocation) { // valid date to resize to? view.reportEventResize(event, resizeLocation, this.largeUnit, el, ev); } } });

dragListener.mousedown(ev); // start listening, which will eventually lead to a dragStart },

// Called before event segment resizing starts segResizeStart: function(seg, ev) { this.isResizingSeg = true; this.view.trigger('eventResizeStart', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy },

// Called after event segment resizing stops segResizeStop: function(seg, ev) { this.isResizingSeg = false; this.view.trigger('eventResizeStop', seg.el[0], seg.event, ev, {}); // last argument is jqui dummy },

// Returns new date-information for an event segment being resized from its start computeEventStartResize: function(startCell, endCell, event) { return this.computeEventResize('start', startCell, endCell, event); },

// Returns new date-information for an event segment being resized from its end computeEventEndResize: function(startCell, endCell, event) { return this.computeEventResize('end', startCell, endCell, event); },

// Returns new date-information for an event segment being resized from its start OR end // `type` is either 'start' or 'end' computeEventResize: function(type, startCell, endCell, event) { var calendar = this.view.calendar; var delta = this.diffDates(endCell[type], startCell[type]); var range; var defaultDuration;

// build original values to work from, guaranteeing a start and end range = { start: event.start.clone(), end: calendar.getEventEnd(event), allDay: event.allDay };

// if an all-day event was in a timed area and was resized to a time, adjust start/end to have times if (range.allDay && durationHasTime(delta)) { range.allDay = false; calendar.normalizeEventRangeTimes(range); }

range[type].add(delta); // apply delta to start or end

// if the event was compressed too small, find a new reasonable duration for it if (!range.start.isBefore(range.end)) {

defaultDuration = event.allDay ? calendar.defaultAllDayEventDuration : calendar.defaultTimedEventDuration;

// between the cell's duration and the event's default duration, use the smaller of the two. // example: if year-length slots, and compressed to one slot, we don't want the event to be a year long if (this.cellDuration && this.cellDuration < defaultDuration) { defaultDuration = this.cellDuration; }

if (type == 'start') { // resizing the start? range.start = range.end.clone().subtract(defaultDuration); } else { // resizing the end? range.end = range.start.clone().add(defaultDuration); } }

return range; },

// Renders a visual indication of an event being resized. // `range` has the updated dates of the event. `seg` is the original segment object involved in the drag. renderEventResize: function(range, seg) { // subclasses must implement },

// Unrenders a visual indication of an event being resized. unrenderEventResize: function() { // subclasses must implement },

/* Rendering Utils ------------------------------------------------------------------------------------------------------------------*/

// Compute the text that should be displayed on an event's element. // `range` can be the Event object itself, or something range-like, with at least a `start`. // If event times are disabled, or the event has no time, will return a blank string. // If not specified, formatStr will default to the eventTimeFormat setting, // and displayEnd will default to the displayEventEnd setting. getEventTimeText: function(range, formatStr, displayEnd) {

if (formatStr == null) { formatStr = this.eventTimeFormat; }

if (displayEnd == null) { displayEnd = this.displayEventEnd; }

if (this.displayEventTime && range.start.hasTime()) { if (displayEnd && range.end) { return this.view.formatRange(range, formatStr); } else { return range.start.format(formatStr); } }

return ; },

// Generic utility for generating the HTML classNames for an event segment's element getSegClasses: function(seg, isDraggable, isResizable) { var event = seg.event; var classes = [ 'fc-event', seg.isStart ? 'fc-start' : 'fc-not-start', seg.isEnd ? 'fc-end' : 'fc-not-end' ].concat( event.className, event.source ? event.source.className : [] );

if (isDraggable) { classes.push('fc-draggable'); } if (isResizable) { classes.push('fc-resizable'); }

return classes; },

// Utility for generating event skin-related CSS properties getEventSkinCss: function(event) { var view = this.view; var source = event.source || {}; var eventColor = event.color; var sourceColor = source.color; var optionColor = view.opt('eventColor');

return { 'background-color': event.backgroundColor || eventColor || source.backgroundColor || sourceColor || view.opt('eventBackgroundColor') || optionColor, 'border-color': event.borderColor || eventColor || source.borderColor || sourceColor || view.opt('eventBorderColor') || optionColor, color: event.textColor || source.textColor || view.opt('eventTextColor') }; },

/* Converting events -> ranges -> segs ------------------------------------------------------------------------------------------------------------------*/

// Converts an array of event objects into an array of event segment objects. // A custom `rangeToSegsFunc` may be given for arbitrarily slicing up events. // Doesn't guarantee an order for the resulting array. eventsToSegs: function(events, rangeToSegsFunc) { var eventRanges = this.eventsToRanges(events); var segs = []; var i;

for (i = 0; i < eventRanges.length; i++) { segs.push.apply( segs, this.eventRangeToSegs(eventRanges[i], rangeToSegsFunc) ); }

return segs; },

// Converts an array of events into an array of "range" objects. // A "range" object is a plain object with start/end properties denoting the time it covers. Also an event property. // For "normal" events, this will be identical to the event's start/end, but for "inverse-background" events, // will create an array of ranges that span the time *not* covered by the given event. // Doesn't guarantee an order for the resulting array. eventsToRanges: function(events) { var _this = this; var eventsById = groupEventsById(events); var ranges = [];

// group by ID so that related inverse-background events can be rendered together $.each(eventsById, function(id, eventGroup) { if (eventGroup.length) { ranges.push.apply( ranges, isInverseBgEvent(eventGroup[0]) ? _this.eventsToInverseRanges(eventGroup) : _this.eventsToNormalRanges(eventGroup) ); } });

return ranges; },

// Converts an array of "normal" events (not inverted rendering) into a parallel array of ranges eventsToNormalRanges: function(events) { var calendar = this.view.calendar; var ranges = []; var i, event; var eventStart, eventEnd;

for (i = 0; i < events.length; i++) { event = events[i];

// make copies and normalize by stripping timezone eventStart = event.start.clone().stripZone(); eventEnd = calendar.getEventEnd(event).stripZone();

ranges.push({ event: event, start: eventStart, end: eventEnd, eventStartMS: +eventStart, eventDurationMS: eventEnd - eventStart }); }

return ranges; },

// Converts an array of events, with inverse-background rendering, into an array of range objects. // The range objects will cover all the time NOT covered by the events. eventsToInverseRanges: function(events) { var view = this.view; var viewStart = view.start.clone().stripZone(); // normalize timezone var viewEnd = view.end.clone().stripZone(); // normalize timezone var normalRanges = this.eventsToNormalRanges(events); // will give us normalized dates we can use w/o copies var inverseRanges = []; var event0 = events[0]; // assign this to each range's `.event` var start = viewStart; // the end of the previous range. the start of the new range var i, normalRange;

// ranges need to be in order. required for our date-walking algorithm normalRanges.sort(compareNormalRanges);

for (i = 0; i < normalRanges.length; i++) { normalRange = normalRanges[i];

// add the span of time before the event (if there is any) if (normalRange.start > start) { // compare millisecond time (skip any ambig logic) inverseRanges.push({ event: event0, start: start, end: normalRange.start }); }

start = normalRange.end; }

// add the span of time after the last event (if there is any) if (start < viewEnd) { // compare millisecond time (skip any ambig logic) inverseRanges.push({ event: event0, start: start, end: viewEnd }); }

return inverseRanges; },

// Slices the given event range into one or more segment objects. // A `rangeToSegsFunc` custom slicing function can be given. eventRangeToSegs: function(eventRange, rangeToSegsFunc) { var segs; var i, seg;

eventRange = this.view.calendar.ensureVisibleEventRange(eventRange);

if (rangeToSegsFunc) { segs = rangeToSegsFunc(eventRange); } else { segs = this.rangeToSegs(eventRange); // defined by the subclass }

for (i = 0; i < segs.length; i++) { seg = segs[i]; seg.event = eventRange.event; seg.eventStartMS = eventRange.eventStartMS; seg.eventDurationMS = eventRange.eventDurationMS; }

return segs; }

});

/* Utilities

*/

function isBgEvent(event) { // returns true if background OR inverse-background var rendering = getEventRendering(event); return rendering === 'background' || rendering === 'inverse-background'; }

function isInverseBgEvent(event) { return getEventRendering(event) === 'inverse-background'; }

function getEventRendering(event) { return firstDefined((event.source || {}).rendering, event.rendering); }

function groupEventsById(events) { var eventsById = {}; var i, event;

for (i = 0; i < events.length; i++) { event = events[i]; (eventsById[event._id] || (eventsById[event._id] = [])).push(event); }

return eventsById; }

// A cmp function for determining which non-inverted "ranges" (see above) happen earlier function compareNormalRanges(range1, range2) { return range1.eventStartMS - range2.eventStartMS; // earlier ranges go first }

// A cmp function for determining which segments should take visual priority // DOES NOT WORK ON INVERTED BACKGROUND EVENTS because they have no eventStartMS/eventDurationMS function compareSegs(seg1, seg2) { return seg1.eventStartMS - seg2.eventStartMS || // earlier events go first seg2.eventDurationMS - seg1.eventDurationMS || // tie? longer events go first seg2.event.allDay - seg1.event.allDay || // tie? put all-day events first (booleans cast to 0/1) (seg1.event.title || ).localeCompare(seg2.event.title); // tie? alphabetically by title }

fc.compareSegs = compareSegs; // export

/* External-Dragging-Element Data

*/

// Require all HTML5 data-* attributes used by FullCalendar to have this prefix. // A value of will query attributes like data-event. A value of 'fc' will query attributes like data-fc-event. fc.dataAttrPrefix = ;

// Given a jQuery element that might represent a dragged FullCalendar event, returns an intermediate data structure // to be used for Event Object creation. // A defined `.eventProps`, even when empty, indicates that an event should be created. function getDraggedElMeta(el) { var prefix = fc.dataAttrPrefix; var eventProps; // properties for creating the event, not related to date/time var startTime; // a Duration var duration; var stick;

if (prefix) { prefix += '-'; } eventProps = el.data(prefix + 'event') || null;

if (eventProps) { if (typeof eventProps === 'object') { eventProps = $.extend({}, eventProps); // make a copy } else { // something like 1 or true. still signal event creation eventProps = {}; }

// pluck special-cased date/time properties startTime = eventProps.start; if (startTime == null) { startTime = eventProps.time; } // accept 'time' as well duration = eventProps.duration; stick = eventProps.stick; delete eventProps.start; delete eventProps.time; delete eventProps.duration; delete eventProps.stick; }

// fallback to standalone attribute values for each of the date/time properties if (startTime == null) { startTime = el.data(prefix + 'start'); } if (startTime == null) { startTime = el.data(prefix + 'time'); } // accept 'time' as well if (duration == null) { duration = el.data(prefix + 'duration'); } if (stick == null) { stick = el.data(prefix + 'stick'); }

// massage into correct data types startTime = startTime != null ? moment.duration(startTime) : null; duration = duration != null ? moment.duration(duration) : null; stick = Boolean(stick);

return { eventProps: eventProps, startTime: startTime, duration: duration, stick: stick }; }

/* A component that renders a grid of whole-days that runs horizontally. There can be multiple rows, one per week.

*/

var DayGrid = Grid.extend({

numbersVisible: false, // should render a row for day/week numbers? set by outside view. TODO: make internal bottomCoordPadding: 0, // hack for extending the hit area for the last row of the coordinate grid breakOnWeeks: null, // should create a new row for each week? set by outside view

cellDates: null, // flat chronological array of each cell's dates dayToCellOffsets: null, // maps days offsets from grid's start date, to cell offsets

rowEls: null, // set of fake row elements dayEls: null, // set of whole-day elements comprising the row's background helperEls: null, // set of cell skeleton elements for rendering the mock event "helper"

constructor: function() { Grid.apply(this, arguments);

this.cellDuration = moment.duration(1, 'day'); // for Grid system },

// Renders the rows and columns into the component's `this.el`, which should already be assigned. // isRigid determins whether the individual rows should ignore the contents and be a constant height. // Relies on the view's colCnt and rowCnt. In the future, this component should probably be self-sufficient. renderDates: function(isRigid) { var view = this.view; var rowCnt = this.rowCnt; var colCnt = this.colCnt; var cellCnt = rowCnt * colCnt; var html = ; var row; var i, cell;

for (row = 0; row < rowCnt; row++) { html += this.dayRowHtml(row, isRigid); } this.el.html(html);

this.rowEls = this.el.find('.fc-row'); this.dayEls = this.el.find('.fc-day');

// trigger dayRender with each cell's element for (i = 0; i < cellCnt; i++) { cell = this.getCell(i); view.trigger('dayRender', null, cell.start, this.dayEls.eq(i)); } },

unrenderDates: function() { this.removeSegPopover(); },

renderBusinessHours: function() { var events = this.view.calendar.getBusinessHoursEvents(true); // wholeDay=true var segs = this.eventsToSegs(events);

this.renderFill('businessHours', segs, 'bgevent'); },

// Generates the HTML for a single row. `row` is the row number. dayRowHtml: function(row, isRigid) { var view = this.view; var classes = [ 'fc-row', 'fc-week', view.widgetContentClass ];

if (isRigid) { classes.push('fc-rigid'); }

return +

'

' + '

' + '' + this.rowHtml('day', row) + // leverages RowRenderer. calls dayCellHtml() '

' + '

' + '' + (this.numbersVisible ? '<thead>' + this.rowHtml('number', row) + // leverages RowRenderer. View will define render method '</thead>' : ) + '

' + '

';

},

// Renders the HTML for a whole-day cell. Will eventually end up in the day-row's background. // We go through a 'day' row type instead of just doing a 'bg' row type so that the View can do custom rendering // specifically for whole-day rows, whereas a 'bg' might also be used for other purposes (TimeGrid bg for example). dayCellHtml: function(cell) { return this.bgCellHtml(cell); },

/* Options ------------------------------------------------------------------------------------------------------------------*/

// Computes a default column header formatting string if `colFormat` is not explicitly defined computeColHeadFormat: function() { if (this.rowCnt > 1) { // more than one week row. day numbers will be in each cell return 'ddd'; // "Sat" } else if (this.colCnt > 1) { // multiple days, so full single date string WON'T be in title text return this.view.opt('dayOfMonthFormat'); // "Sat 12/10" } else { // single day, so full single date string will probably be in title text return 'dddd'; // "Saturday" } },

// Computes a default event time formatting string if `timeFormat` is not explicitly defined computeEventTimeFormat: function() { return this.view.opt('extraSmallTimeFormat'); // like "6p" or "6:30p" },

// Computes a default `displayEventEnd` value if one is not expliclty defined computeDisplayEventEnd: function() { return this.colCnt == 1; // we'll likely have space if there's only one day },

/* Cell System ------------------------------------------------------------------------------------------------------------------*/

rangeUpdated: function() { var cellDates; var firstDay; var rowCnt; var colCnt;

this.updateCellDates(); // populates cellDates and dayToCellOffsets cellDates = this.cellDates;

if (this.breakOnWeeks) { // count columns until the day-of-week repeats firstDay = cellDates[0].day(); for (colCnt = 1; colCnt < cellDates.length; colCnt++) { if (cellDates[colCnt].day() == firstDay) { break; } } rowCnt = Math.ceil(cellDates.length / colCnt); } else { rowCnt = 1; colCnt = cellDates.length; }

this.rowCnt = rowCnt; this.colCnt = colCnt; },

// Populates cellDates and dayToCellOffsets updateCellDates: function() { var view = this.view; var date = this.start.clone(); var dates = []; var offset = -1; var offsets = [];

while (date.isBefore(this.end)) { // loop each day from start to end if (view.isHiddenDay(date)) { offsets.push(offset + 0.5); // mark that it's between offsets } else { offset++; offsets.push(offset); dates.push(date.clone()); } date.add(1, 'days'); }

this.cellDates = dates; this.dayToCellOffsets = offsets; },

// Given a cell object, generates its start date. Returns a reference-free copy. computeCellDate: function(cell) { var colCnt = this.colCnt; var index = cell.row * colCnt + (this.isRTL ? colCnt - cell.col - 1 : cell.col);

return this.cellDates[index].clone(); },

// Retrieves the element representing the given row getRowEl: function(row) { return this.rowEls.eq(row); },

// Retrieves the element representing the given column getColEl: function(col) { return this.dayEls.eq(col); },

// Gets the whole-day element associated with the cell getCellDayEl: function(cell) { return this.dayEls.eq(cell.row * this.colCnt + cell.col); },

// Overrides Grid's method for when row coordinates are computed computeRowCoords: function() { var rowCoords = Grid.prototype.computeRowCoords.call(this); // call the super-method

// hack for extending last row (used by AgendaView) rowCoords[rowCoords.length - 1].bottom += this.bottomCoordPadding;

return rowCoords; },

/* Dates ------------------------------------------------------------------------------------------------------------------*/

// Slices up a date range by row into an array of segments rangeToSegs: function(range) { var isRTL = this.isRTL; var rowCnt = this.rowCnt; var colCnt = this.colCnt; var segs = []; var first, last; // inclusive cell-offset range for given range var row; var rowFirst, rowLast; // inclusive cell-offset range for current row var isStart, isEnd; var segFirst, segLast; // inclusive cell-offset range for segment var seg;

range = this.view.computeDayRange(range); // make whole-day range, considering nextDayThreshold first = this.dateToCellOffset(range.start); last = this.dateToCellOffset(range.end.subtract(1, 'days')); // offset of inclusive end date

for (row = 0; row < rowCnt; row++) { rowFirst = row * colCnt; rowLast = rowFirst + colCnt - 1;

// intersect segment's offset range with the row's segFirst = Math.max(rowFirst, first); segLast = Math.min(rowLast, last);

// deal with in-between indices segFirst = Math.ceil(segFirst); // in-between starts round to next cell segLast = Math.floor(segLast); // in-between ends round to prev cell

if (segFirst <= segLast) { // was there any intersection with the current row?

// must be matching integers to be the segment's start/end isStart = segFirst === first; isEnd = segLast === last;

// translate offsets to be relative to start-of-row segFirst -= rowFirst; segLast -= rowFirst;

seg = { row: row, isStart: isStart, isEnd: isEnd }; if (isRTL) { seg.leftCol = colCnt - segLast - 1; seg.rightCol = colCnt - segFirst - 1; } else { seg.leftCol = segFirst; seg.rightCol = segLast; } segs.push(seg); } }

return segs; },

// Given a date, returns its chronolocial cell-offset from the first cell of the grid. // If the date lies between cells (because of hiddenDays), returns a floating-point value between offsets. // If before the first offset, returns a negative number. // If after the last offset, returns an offset past the last cell offset. // Only works for *start* dates of cells. Will not work for exclusive end dates for cells. dateToCellOffset: function(date) { var offsets = this.dayToCellOffsets; var day = date.diff(this.start, 'days');

if (day < 0) { return offsets[0] - 1; } else if (day >= offsets.length) { return offsets[offsets.length - 1] + 1; } else { return offsets[day]; } },

/* Event Drag Visualization ------------------------------------------------------------------------------------------------------------------*/ // TODO: move to DayGrid.event, similar to what we did with Grid's drag methods

// Renders a visual indication of an event or external element being dragged. // The dropLocation's end can be null. seg can be null. See Grid::renderDrag for more info. renderDrag: function(dropLocation, seg) {

// always render a highlight underneath this.renderHighlight(this.eventRangeToSegs(dropLocation));

// if a segment from the same calendar but another component is being dragged, render a helper event if (seg && !seg.el.closest(this.el).length) {

this.renderRangeHelper(dropLocation, seg); this.applyDragOpacity(this.helperEls);

return true; // a helper has been rendered } },

// Unrenders any visual indication of a hovering event unrenderDrag: function() { this.unrenderHighlight(); this.unrenderHelper(); },

/* Event Resize Visualization ------------------------------------------------------------------------------------------------------------------*/

// Renders a visual indication of an event being resized renderEventResize: function(range, seg) { this.renderHighlight(this.eventRangeToSegs(range)); this.renderRangeHelper(range, seg); },

// Unrenders a visual indication of an event being resized unrenderEventResize: function() { this.unrenderHighlight(); this.unrenderHelper(); },

/* Event Helper ------------------------------------------------------------------------------------------------------------------*/

// Renders a mock "helper" event. `sourceSeg` is the associated internal segment object. It can be null. renderHelper: function(event, sourceSeg) { var helperNodes = []; var segs = this.eventsToSegs([ event ]); var rowStructs;

segs = this.renderFgSegEls(segs); // assigns each seg's el and returns a subset of segs that were rendered rowStructs = this.renderSegRows(segs);

// inject each new event skeleton into each associated row this.rowEls.each(function(row, rowNode) { var rowEl = $(rowNode); // the .fc-row

var skeletonEl = $('

'); // will be absolutely positioned

var skeletonTop;

// If there is an original segment, match the top position. Otherwise, put it at the row's top level if (sourceSeg && sourceSeg.row === row) { skeletonTop = sourceSeg.el.position().top; } else { skeletonTop = rowEl.find('.fc-content-skeleton tbody').position().top; }

skeletonEl.css('top', skeletonTop) .find('table') .append(rowStructs[row].tbodyEl);

rowEl.append(skeletonEl); helperNodes.push(skeletonEl[0]); });

this.helperEls = $(helperNodes); // array -> jQuery set },

// Unrenders any visual indication of a mock helper event unrenderHelper: function() { if (this.helperEls) { this.helperEls.remove(); this.helperEls = null; } },

/* Fill System (highlight, background events, business hours) ------------------------------------------------------------------------------------------------------------------*/

fillSegTag: 'td', // override the default tag name

// Renders a set of rectangles over the given segments of days. // Only returns segments that successfully rendered. renderFill: function(type, segs, className) { var nodes = []; var i, seg; var skeletonEl;

segs = this.renderFillSegEls(type, segs); // assignes `.el` to each seg. returns successfully rendered segs

for (i = 0; i < segs.length; i++) { seg = segs[i]; skeletonEl = this.renderFillRow(type, seg, className); this.rowEls.eq(seg.row).append(skeletonEl); nodes.push(skeletonEl[0]); }

this.elsByFill[type] = $(nodes);

return segs; },

// Generates the HTML needed for one row of a fill. Requires the seg's el to be rendered. renderFillRow: function(type, seg, className) { var colCnt = this.colCnt; var startCol = seg.leftCol; var endCol = seg.rightCol + 1; var skeletonEl; var trEl;

className = className || type.toLowerCase();

skeletonEl = $(

'

' + '

' +

'</div>' ); trEl = skeletonEl.find('tr');

if (startCol > 0) { trEl.append('<td colspan="' + startCol + '"/>'); }

trEl.append( seg.el.attr('colspan', endCol - startCol) );

if (endCol < colCnt) { trEl.append('<td colspan="' + (colCnt - endCol) + '"/>'); }

this.bookendCells(trEl, type);

return skeletonEl; }

});

/* Event-rendering methods for the DayGrid class

*/

DayGrid.mixin({

rowStructs: null, // an array of objects, each holding information about a row's foreground event-rendering

// Unrenders all events currently rendered on the grid unrenderEvents: function() { this.removeSegPopover(); // removes the "more.." events popover Grid.prototype.unrenderEvents.apply(this, arguments); // calls the super-method },

// Retrieves all rendered segment objects currently rendered on the grid getEventSegs: function() { return Grid.prototype.getEventSegs.call(this) // get the segments from the super-method .concat(this.popoverSegs || []); // append the segments from the "more..." popover },

// Renders the given background event segments onto the grid renderBgSegs: function(segs) {

// don't render timed background events var allDaySegs = $.grep(segs, function(seg) { return seg.event.allDay; });

return Grid.prototype.renderBgSegs.call(this, allDaySegs); // call the super-method },

// Renders the given foreground event segments onto the grid renderFgSegs: function(segs) { var rowStructs;

// render an `.el` on each seg // returns a subset of the segs. segs that were actually rendered segs = this.renderFgSegEls(segs);

rowStructs = this.rowStructs = this.renderSegRows(segs);

// append to each row's content skeleton this.rowEls.each(function(i, rowNode) { $(rowNode).find('.fc-content-skeleton > table').append( rowStructs[i].tbodyEl ); });

return segs; // return only the segs that were actually rendered },

// Unrenders all currently rendered foreground event segments unrenderFgSegs: function() { var rowStructs = this.rowStructs || []; var rowStruct;

while ((rowStruct = rowStructs.pop())) { rowStruct.tbodyEl.remove(); }

this.rowStructs = null; },

// Uses the given events array to generate <tbody> elements that should be appended to each row's content skeleton. // Returns an array of rowStruct objects (see the bottom of `renderSegRow`). // PRECONDITION: each segment shoud already have a rendered and assigned `.el` renderSegRows: function(segs) { var rowStructs = []; var segRows; var row;

segRows = this.groupSegRows(segs); // group into nested arrays

// iterate each row of segment groupings for (row = 0; row < segRows.length; row++) { rowStructs.push( this.renderSegRow(row, segRows[row]) ); }

return rowStructs; },

// Builds the HTML to be used for the default element for an individual segment fgSegHtml: function(seg, disableResizing) { var view = this.view; var event = seg.event; var isDraggable = view.isEventDraggable(event); var isResizableFromStart = !disableResizing && event.allDay && seg.isStart && view.isEventResizableFromStart(event); var isResizableFromEnd = !disableResizing && event.allDay && seg.isEnd && view.isEventResizableFromEnd(event); var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd); var skinCss = cssToStr(this.getEventSkinCss(event)); var timeHtml = ; var timeText; var titleHtml;

classes.unshift('fc-day-grid-event', 'fc-h-event');

// Only display a timed events time if it is the starting segment if (seg.isStart) { timeText = this.getEventTimeText(event); if (timeText) { timeHtml = '' + htmlEscape(timeText) + ''; } }

titleHtml = '' + (htmlEscape(event.title || ) || ' ') + // we always want one line of height '';

return '<a class="' + classes.join(' ') + '"' + (event.url ? ' href="' + htmlEscape(event.url) + '"' : ) + (skinCss ? ' style="' + skinCss + '"' : ) + '>' +

'

' +

(this.isRTL ? titleHtml + ' ' + timeHtml : // put a natural space in between timeHtml + ' ' + titleHtml // ) +

'

' +

(isResizableFromStart ? '<div class="fc-resizer fc-start-resizer" />' : ) + (isResizableFromEnd ? '<div class="fc-resizer fc-end-resizer" />' : ) + '</a>'; },

// Given a row # and an array of segments all in the same row, render a <tbody> element, a skeleton that contains // the segments. Returns object with a bunch of internal data about how the render was calculated. // NOTE: modifies rowSegs renderSegRow: function(row, rowSegs) { var colCnt = this.colCnt; var segLevels = this.buildSegLevels(rowSegs); // group into sub-arrays of levels var levelCnt = Math.max(1, segLevels.length); // ensure at least one level var tbody = $('<tbody/>'); var segMatrix = []; // lookup for which segments are rendered into which level+col cells var cellMatrix = []; // lookup for all <td> elements of the level+col matrix var loneCellMatrix = []; // lookup for <td> elements that only take up a single column var i, levelSegs; var col; var tr; var j, seg; var td;

// populates empty cells from the current column (`col`) to `endCol` function emptyCellsUntil(endCol) { while (col < endCol) { // try to grab a cell from the level above and extend its rowspan. otherwise, create a fresh cell td = (loneCellMatrix[i - 1] || [])[col]; if (td) { td.attr( 'rowspan', parseInt(td.attr('rowspan') || 1, 10) + 1 ); } else { td = $('<td/>'); tr.append(td); } cellMatrix[i][col] = td; loneCellMatrix[i][col] = td; col++; } }

for (i = 0; i < levelCnt; i++) { // iterate through all levels levelSegs = segLevels[i]; col = 0; tr = $('<tr/>');

segMatrix.push([]); cellMatrix.push([]); loneCellMatrix.push([]);

// levelCnt might be 1 even though there are no actual levels. protect against this. // this single empty row is useful for styling. if (levelSegs) { for (j = 0; j < levelSegs.length; j++) { // iterate through segments in level seg = levelSegs[j];

emptyCellsUntil(seg.leftCol);

// create a container that occupies or more columns. append the event element. td = $('<td class="fc-event-container"/>').append(seg.el); if (seg.leftCol != seg.rightCol) { td.attr('colspan', seg.rightCol - seg.leftCol + 1); } else { // a single-column segment loneCellMatrix[i][col] = td; }

while (col <= seg.rightCol) { cellMatrix[i][col] = td; segMatrix[i][col] = seg; col++; }

tr.append(td); } }

emptyCellsUntil(colCnt); // finish off the row this.bookendCells(tr, 'eventSkeleton'); tbody.append(tr); }

return { // a "rowStruct" row: row, // the row number tbodyEl: tbody, cellMatrix: cellMatrix, segMatrix: segMatrix, segLevels: segLevels, segs: rowSegs }; },

// Stacks a flat array of segments, which are all assumed to be in the same row, into subarrays of vertical levels. // NOTE: modifies segs buildSegLevels: function(segs) { var levels = []; var i, seg; var j;

// Give preference to elements with certain criteria, so they have // a chance to be closer to the top. segs.sort(compareSegs);

for (i = 0; i < segs.length; i++) { seg = segs[i];

// loop through levels, starting with the topmost, until the segment doesn't collide with other segments for (j = 0; j < levels.length; j++) { if (!isDaySegCollision(seg, levels[j])) { break; } } // `j` now holds the desired subrow index seg.level = j;

// create new level array if needed and append segment (levels[j] || (levels[j] = [])).push(seg); }

// order segments left-to-right. very important if calendar is RTL for (j = 0; j < levels.length; j++) { levels[j].sort(compareDaySegCols); }

return levels; },

// Given a flat array of segments, return an array of sub-arrays, grouped by each segment's row groupSegRows: function(segs) { var segRows = []; var i;

for (i = 0; i < this.rowCnt; i++) { segRows.push([]); }

for (i = 0; i < segs.length; i++) { segRows[segs[i].row].push(segs[i]); }

return segRows; }

});

// Computes whether two segments' columns collide. They are assumed to be in the same row. function isDaySegCollision(seg, otherSegs) { var i, otherSeg;

for (i = 0; i < otherSegs.length; i++) { otherSeg = otherSegs[i];

if ( otherSeg.leftCol <= seg.rightCol && otherSeg.rightCol >= seg.leftCol ) { return true; } }

return false; }

// A cmp function for determining the leftmost event function compareDaySegCols(a, b) { return a.leftCol - b.leftCol; }

/* Methods relate to limiting the number events for a given day on a DayGrid

*/

// NOTE: all the segs being passed around in here are foreground segs

DayGrid.mixin({

segPopover: null, // the Popover that holds events that can't fit in a cell. null when not visible popoverSegs: null, // an array of segment objects that the segPopover holds. null when not visible

removeSegPopover: function() { if (this.segPopover) { this.segPopover.hide(); // in handler, will call segPopover's removeElement } },

// Limits the number of "levels" (vertically stacking layers of events) for each row of the grid. // `levelLimit` can be false (don't limit), a number, or true (should be computed). limitRows: function(levelLimit) { var rowStructs = this.rowStructs || []; var row; // row # var rowLevelLimit;

for (row = 0; row < rowStructs.length; row++) { this.unlimitRow(row);

if (!levelLimit) { rowLevelLimit = false; } else if (typeof levelLimit === 'number') { rowLevelLimit = levelLimit; } else { rowLevelLimit = this.computeRowLevelLimit(row); }

if (rowLevelLimit !== false) { this.limitRow(row, rowLevelLimit); } } },

// Computes the number of levels a row will accomodate without going outside its bounds. // Assumes the row is "rigid" (maintains a constant height regardless of what is inside). // `row` is the row number. computeRowLevelLimit: function(row) { var rowEl = this.rowEls.eq(row); // the containing "fake" row div var rowHeight = rowEl.height(); // TODO: cache somehow? var trEls = this.rowStructs[row].tbodyEl.children(); var i, trEl; var trHeight;

function iterInnerHeights(i, childNode) { trHeight = Math.max(trHeight, $(childNode).outerHeight()); }

// Reveal one level <tr> at a time and stop when we find one out of bounds for (i = 0; i < trEls.length; i++) { trEl = trEls.eq(i).removeClass('fc-limited'); // reset to original state (reveal)

// with rowspans>1 and IE8, trEl.outerHeight() would return the height of the largest cell, // so instead, find the tallest inner content element. trHeight = 0; trEl.find('> td > :first-child').each(iterInnerHeights);

if (trEl.position().top + trHeight > rowHeight) { return i; } }

return false; // should not limit at all },

// Limits the given grid row to the maximum number of levels and injects "more" links if necessary. // `row` is the row number. // `levelLimit` is a number for the maximum (inclusive) number of levels allowed. limitRow: function(row, levelLimit) { var _this = this; var rowStruct = this.rowStructs[row]; var moreNodes = []; // array of "more" <a> links and <td> DOM nodes var col = 0; // col #, left-to-right (not chronologically) var cell; var levelSegs; // array of segment objects in the last allowable level, ordered left-to-right var cellMatrix; // a matrix (by level, then column) of all <td> jQuery elements in the row var limitedNodes; // array of temporarily hidden level <tr> and segment <td> DOM nodes var i, seg; var segsBelow; // array of segment objects below `seg` in the current `col` var totalSegsBelow; // total number of segments below `seg` in any of the columns `seg` occupies var colSegsBelow; // array of segment arrays, below seg, one for each column (offset from segs's first column) var td, rowspan; var segMoreNodes; // array of "more" <td> cells that will stand-in for the current seg's cell var j; var moreTd, moreWrap, moreLink;

// Iterates through empty level cells and places "more" links inside if need be function emptyCellsUntil(endCol) { // goes from current `col` to `endCol` while (col < endCol) { cell = _this.getCell(row, col); segsBelow = _this.getCellSegs(cell, levelLimit); if (segsBelow.length) { td = cellMatrix[levelLimit - 1][col]; moreLink = _this.renderMoreLink(cell, segsBelow); moreWrap = $('<div/>').append(moreLink); td.append(moreWrap); moreNodes.push(moreWrap[0]); } col++; } }

if (levelLimit && levelLimit < rowStruct.segLevels.length) { // is it actually over the limit? levelSegs = rowStruct.segLevels[levelLimit - 1]; cellMatrix = rowStruct.cellMatrix;

limitedNodes = rowStruct.tbodyEl.children().slice(levelLimit) // get level <tr> elements past the limit .addClass('fc-limited').get(); // hide elements and get a simple DOM-nodes array

// iterate though segments in the last allowable level for (i = 0; i < levelSegs.length; i++) { seg = levelSegs[i]; emptyCellsUntil(seg.leftCol); // process empty cells before the segment

// determine *all* segments below `seg` that occupy the same columns colSegsBelow = []; totalSegsBelow = 0; while (col <= seg.rightCol) { cell = this.getCell(row, col); segsBelow = this.getCellSegs(cell, levelLimit); colSegsBelow.push(segsBelow); totalSegsBelow += segsBelow.length; col++; }

if (totalSegsBelow) { // do we need to replace this segment with one or many "more" links? td = cellMatrix[levelLimit - 1][seg.leftCol]; // the segment's parent cell rowspan = td.attr('rowspan') || 1; segMoreNodes = [];

// make a replacement <td> for each column the segment occupies. will be one for each colspan for (j = 0; j < colSegsBelow.length; j++) { moreTd = $('<td class="fc-more-cell"/>').attr('rowspan', rowspan); segsBelow = colSegsBelow[j]; cell = this.getCell(row, seg.leftCol + j); moreLink = this.renderMoreLink(cell, [ seg ].concat(segsBelow)); // count seg as hidden too moreWrap = $('<div/>').append(moreLink); moreTd.append(moreWrap); segMoreNodes.push(moreTd[0]); moreNodes.push(moreTd[0]); }

td.addClass('fc-limited').after($(segMoreNodes)); // hide original <td> and inject replacements limitedNodes.push(td[0]); } }

emptyCellsUntil(this.colCnt); // finish off the level rowStruct.moreEls = $(moreNodes); // for easy undoing later rowStruct.limitedEls = $(limitedNodes); // for easy undoing later } },

// Reveals all levels and removes all "more"-related elements for a grid's row. // `row` is a row number. unlimitRow: function(row) { var rowStruct = this.rowStructs[row];

if (rowStruct.moreEls) { rowStruct.moreEls.remove(); rowStruct.moreEls = null; }

if (rowStruct.limitedEls) { rowStruct.limitedEls.removeClass('fc-limited'); rowStruct.limitedEls = null; } },

// Renders an <a> element that represents hidden event element for a cell. // Responsible for attaching click handler as well. renderMoreLink: function(cell, hiddenSegs) { var _this = this; var view = this.view;

return $('<a class="fc-more"/>') .text( this.getMoreLinkText(hiddenSegs.length) ) .on('click', function(ev) { var clickOption = view.opt('eventLimitClick'); var date = cell.start; var moreEl = $(this); var dayEl = _this.getCellDayEl(cell); var allSegs = _this.getCellSegs(cell);

// rescope the segments to be within the cell's date var reslicedAllSegs = _this.resliceDaySegs(allSegs, date); var reslicedHiddenSegs = _this.resliceDaySegs(hiddenSegs, date);

if (typeof clickOption === 'function') { // the returned value can be an atomic option clickOption = view.trigger('eventLimitClick', null, { date: date, dayEl: dayEl, moreEl: moreEl, segs: reslicedAllSegs, hiddenSegs: reslicedHiddenSegs }, ev); }

if (clickOption === 'popover') { _this.showSegPopover(cell, moreEl, reslicedAllSegs); } else if (typeof clickOption === 'string') { // a view name view.calendar.zoomTo(date, clickOption); } }); },

// Reveals the popover that displays all events within a cell showSegPopover: function(cell, moreLink, segs) { var _this = this; var view = this.view;

var moreWrap = moreLink.parent(); // the

wrapper around the <a>

var topEl; // the element we want to match the top coordinate of var options;

if (this.rowCnt == 1) { topEl = view.el; // will cause the popover to cover any sort of header } else { topEl = this.rowEls.eq(cell.row); // will align with top of row }

options = { className: 'fc-more-popover', content: this.renderSegPopoverContent(cell, segs), parentEl: this.el, top: topEl.offset().top, autoHide: true, // when the user clicks elsewhere, hide the popover viewportConstrain: view.opt('popoverViewportConstrain'), hide: function() { // kill everything when the popover is hidden _this.segPopover.removeElement(); _this.segPopover = null; _this.popoverSegs = null; } };

// Determine horizontal coordinate. // We use the moreWrap instead of the <td> to avoid border confusion. if (this.isRTL) { options.right = moreWrap.offset().left + moreWrap.outerWidth() + 1; // +1 to be over cell border } else { options.left = moreWrap.offset().left - 1; // -1 to be over cell border }

this.segPopover = new Popover(options); this.segPopover.show(); },

// Builds the inner DOM contents of the segment popover renderSegPopoverContent: function(cell, segs) { var view = this.view; var isTheme = view.opt('theme'); var title = cell.start.format(view.opt('dayPopoverFormat')); var content = $(

'

' +

'' + '' + htmlEscape(title) + '' + '<div class="fc-clear"/>' +

'

' + '

'

); var segContainer = content.find('.fc-event-container'); var i;

// render each seg's `el` and only return the visible segs segs = this.renderFgSegEls(segs, true); // disableResizing=true this.popoverSegs = segs;

for (i = 0; i < segs.length; i++) {

// because segments in the popover are not part of a grid coordinate system, provide a hint to any // grids that want to do drag-n-drop about which cell it came from segs[i].cell = cell;

segContainer.append(segs[i].el); }

return content; },

// Given the events within an array of segment objects, reslice them to be in a single day resliceDaySegs: function(segs, dayDate) {

// build an array of the original events var events = $.map(segs, function(seg) { return seg.event; });

var dayStart = dayDate.clone().stripTime(); var dayEnd = dayStart.clone().add(1, 'days'); var dayRange = { start: dayStart, end: dayEnd };

// slice the events with a custom slicing function segs = this.eventsToSegs( events, function(range) { var seg = intersectionToSeg(range, dayRange); // undefind if no intersection return seg ? [ seg ] : []; // must return an array of segments } );

// force an order because eventsToSegs doesn't guarantee one segs.sort(compareSegs);

return segs; },

// Generates the text that should be inside a "more" link, given the number of events it represents getMoreLinkText: function(num) { var opt = this.view.opt('eventLimitText');

if (typeof opt === 'function') { return opt(num); } else { return '+' + num + ' ' + opt; } },

// Returns segments within a given cell. // If `startLevel` is specified, returns only events including and below that level. Otherwise returns all segs. getCellSegs: function(cell, startLevel) { var segMatrix = this.rowStructs[cell.row].segMatrix; var level = startLevel || 0; var segs = []; var seg;

while (level < segMatrix.length) { seg = segMatrix[level][cell.col]; if (seg) { segs.push(seg); } level++; }

return segs; }

});

/* A component that renders one or more columns of vertical time slots

*/

var TimeGrid = Grid.extend({

slotDuration: null, // duration of a "slot", a distinct time segment on given day, visualized by lines snapDuration: null, // granularity of time for dragging and selecting minTime: null, // Duration object that denotes the first visible time of any given day maxTime: null, // Duration object that denotes the exclusive visible end time of any given day colDates: null, // whole-day dates for each column. left to right axisFormat: null, // formatting string for times running along vertical axis

dayEls: null, // cells elements in the day-row background slatEls: null, // elements running horizontally across all columns

slatTops: null, // an array of top positions, relative to the container. last item holds bottom of last slot

helperEl: null, // cell skeleton element for rendering the mock event "helper"

businessHourSegs: null,

constructor: function() { Grid.apply(this, arguments); // call the super-constructor this.processOptions(); },

// Renders the time grid into `this.el`, which should already be assigned. // Relies on the view's colCnt. In the future, this component should probably be self-sufficient. renderDates: function() { this.el.html(this.renderHtml()); this.dayEls = this.el.find('.fc-day'); this.slatEls = this.el.find('.fc-slats tr'); },

renderBusinessHours: function() { var events = this.view.calendar.getBusinessHoursEvents(); this.businessHourSegs = this.renderFill('businessHours', this.eventsToSegs(events), 'bgevent'); },

// Renders the basic HTML skeleton for the grid renderHtml: function() { return +

'

' + '' + this.rowHtml('slotBg') + // leverages RowRenderer, which will call slotBgCellHtml '

' + '

' + '' + this.slatRowHtml() + '

' + '

';

},

// Renders the HTML for a vertical background cell behind the slots. // This method is distinct from 'bg' because we wanted a new `rowType` so the View could customize the rendering. slotBgCellHtml: function(cell) { return this.bgCellHtml(cell); },

// Generates the HTML for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL. slatRowHtml: function() { var view = this.view; var isRTL = this.isRTL; var html = ; var slotNormal = this.slotDuration.asMinutes() % 15 === 0; var slotTime = moment.duration(+this.minTime); // wish there was .clone() for durations var slotDate; // will be on the view's first day, but we only care about its time var minutes; var axisHtml;

// Calculate the time for each slot while (slotTime < this.maxTime) { slotDate = this.start.clone().time(slotTime); // will be in UTC but that's good. to avoid DST issues minutes = slotDate.minutes();

axisHtml = '<td class="fc-axis fc-time ' + view.widgetContentClass + '" ' + view.axisStyleAttr() + '>' + ((!slotNormal || !minutes) ? // if irregular slot duration, or on the hour, then display the time '' + // for matchCellWidths htmlEscape(slotDate.format(this.axisFormat)) + '' : ) + '</td>';

html += '<tr ' + (!minutes ? : 'class="fc-minor"') + '>' + (!isRTL ? axisHtml : ) + '<td class="' + view.widgetContentClass + '"/>' + (isRTL ? axisHtml : ) + "</tr>";

slotTime.add(this.slotDuration); }

return html; },

/* Options ------------------------------------------------------------------------------------------------------------------*/

// Parses various options into properties of this object processOptions: function() { var view = this.view; var slotDuration = view.opt('slotDuration'); var snapDuration = view.opt('snapDuration');

slotDuration = moment.duration(slotDuration); snapDuration = snapDuration ? moment.duration(snapDuration) : slotDuration;

this.slotDuration = slotDuration; this.snapDuration = snapDuration; this.cellDuration = snapDuration; // for Grid system

this.minTime = moment.duration(view.opt('minTime')); this.maxTime = moment.duration(view.opt('maxTime'));

this.axisFormat = view.opt('axisFormat') || view.opt('smallTimeFormat'); },

// Computes a default column header formatting string if `colFormat` is not explicitly defined computeColHeadFormat: function() { if (this.colCnt > 1) { // multiple days, so full single date string WON'T be in title text return this.view.opt('dayOfMonthFormat'); // "Sat 12/10" } else { // single day, so full single date string will probably be in title text return 'dddd'; // "Saturday" } },

// Computes a default event time formatting string if `timeFormat` is not explicitly defined computeEventTimeFormat: function() { return this.view.opt('noMeridiemTimeFormat'); // like "6:30" (no AM/PM) },

// Computes a default `displayEventEnd` value if one is not expliclty defined computeDisplayEventEnd: function() { return true; },

/* Cell System ------------------------------------------------------------------------------------------------------------------*/

rangeUpdated: function() { var view = this.view; var colDates = []; var date;

date = this.start.clone(); while (date.isBefore(this.end)) { colDates.push(date.clone()); date.add(1, 'day'); date = view.skipHiddenDays(date); }

if (this.isRTL) { colDates.reverse(); }

this.colDates = colDates; this.colCnt = colDates.length; this.rowCnt = Math.ceil((this.maxTime - this.minTime) / this.snapDuration); // # of vertical snaps },

// Given a cell object, generates its start date. Returns a reference-free copy. computeCellDate: function(cell) { var date = this.colDates[cell.col]; var time = this.computeSnapTime(cell.row);

date = this.view.calendar.rezoneDate(date); // give it a 00:00 time date.time(time);

return date; },

// Retrieves the element representing the given column getColEl: function(col) { return this.dayEls.eq(col); },

/* Dates ------------------------------------------------------------------------------------------------------------------*/

// Given a row number of the grid, representing a "snap", returns a time (Duration) from its start-of-day computeSnapTime: function(row) { return moment.duration(this.minTime + this.snapDuration * row); },

// Slices up a date range by column into an array of segments rangeToSegs: function(range) { var colCnt = this.colCnt; var segs = []; var seg; var col; var colDate; var colRange;

// normalize :( range = { start: range.start.clone().stripZone(), end: range.end.clone().stripZone() };

for (col = 0; col < colCnt; col++) { colDate = this.colDates[col]; // will be ambig time/timezone colRange = { start: colDate.clone().time(this.minTime), end: colDate.clone().time(this.maxTime) }; seg = intersectionToSeg(range, colRange); // both will be ambig timezone if (seg) { seg.col = col; segs.push(seg); } }

return segs; },

/* Coordinates ------------------------------------------------------------------------------------------------------------------*/

updateSize: function(isResize) { // NOT a standard Grid method this.computeSlatTops();

if (isResize) { this.updateSegVerticals(); } },

// Computes the top/bottom coordinates of each "snap" rows computeRowCoords: function() { var originTop = this.el.offset().top; var items = []; var i; var item;

for (i = 0; i < this.rowCnt; i++) { item = { top: originTop + this.computeTimeTop(this.computeSnapTime(i)) }; if (i > 0) { items[i - 1].bottom = item.top; } items.push(item); } item.bottom = item.top + this.computeTimeTop(this.computeSnapTime(i));

return items; },

// Computes the top coordinate, relative to the bounds of the grid, of the given date. // A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight. computeDateTop: function(date, startOfDayDate) { return this.computeTimeTop( moment.duration( date.clone().stripZone() - startOfDayDate.clone().stripTime() ) ); },

// Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration). computeTimeTop: function(time) { var slatCoverage = (time - this.minTime) / this.slotDuration; // floating-point value of # of slots covered var slatIndex; var slatRemainder; var slatTop; var slatBottom;

// constrain. because minTime/maxTime might be customized slatCoverage = Math.max(0, slatCoverage); slatCoverage = Math.min(this.slatEls.length, slatCoverage);

slatIndex = Math.floor(slatCoverage); // an integer index of the furthest whole slot slatRemainder = slatCoverage - slatIndex; slatTop = this.slatTops[slatIndex]; // the top position of the furthest whole slot

if (slatRemainder) { // time spans part-way into the slot slatBottom = this.slatTops[slatIndex + 1]; return slatTop + (slatBottom - slatTop) * slatRemainder; // part-way between slots } else { return slatTop; } },

// Queries each `slatEl` for its position relative to the grid's container and stores it in `slatTops`. // Includes the the bottom of the last slat as the last item in the array. computeSlatTops: function() { var tops = []; var top;

this.slatEls.each(function(i, node) { top = $(node).position().top; tops.push(top); });

tops.push(top + this.slatEls.last().outerHeight()); // bottom of the last slat

this.slatTops = tops; },

/* Event Drag Visualization ------------------------------------------------------------------------------------------------------------------*/

// Renders a visual indication of an event being dragged over the specified date(s). // dropLocation's end might be null, as well as `seg`. See Grid::renderDrag for more info. // A returned value of `true` signals that a mock "helper" event has been rendered. renderDrag: function(dropLocation, seg) {

if (seg) { // if there is event information for this drag, render a helper event this.renderRangeHelper(dropLocation, seg); this.applyDragOpacity(this.helperEl);

return true; // signal that a helper has been rendered } else { // otherwise, just render a highlight this.renderHighlight(this.eventRangeToSegs(dropLocation)); } },

// Unrenders any visual indication of an event being dragged unrenderDrag: function() { this.unrenderHelper(); this.unrenderHighlight(); },

/* Event Resize Visualization ------------------------------------------------------------------------------------------------------------------*/

// Renders a visual indication of an event being resized renderEventResize: function(range, seg) { this.renderRangeHelper(range, seg); },

// Unrenders any visual indication of an event being resized unrenderEventResize: function() { this.unrenderHelper(); },

/* Event Helper ------------------------------------------------------------------------------------------------------------------*/

// Renders a mock "helper" event. `sourceSeg` is the original segment object and might be null (an external drag) renderHelper: function(event, sourceSeg) { var segs = this.eventsToSegs([ event ]); var tableEl; var i, seg; var sourceEl;

segs = this.renderFgSegEls(segs); // assigns each seg's el and returns a subset of segs that were rendered tableEl = this.renderSegTable(segs);

// Try to make the segment that is in the same row as sourceSeg look the same for (i = 0; i < segs.length; i++) { seg = segs[i]; if (sourceSeg && sourceSeg.col === seg.col) { sourceEl = sourceSeg.el; seg.el.css({ left: sourceEl.css('left'), right: sourceEl.css('right'), 'margin-left': sourceEl.css('margin-left'), 'margin-right': sourceEl.css('margin-right') }); } }

this.helperEl = $('<div class="fc-helper-skeleton"/>') .append(tableEl) .appendTo(this.el); },

// Unrenders any mock helper event unrenderHelper: function() { if (this.helperEl) { this.helperEl.remove(); this.helperEl = null; } },

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

// Renders a visual indication of a selection. Overrides the default, which was to simply render a highlight. renderSelection: function(range) { if (this.view.opt('selectHelper')) { // this setting signals that a mock helper event should be rendered this.renderRangeHelper(range); } else { this.renderHighlight(this.selectionRangeToSegs(range)); } },

// Unrenders any visual indication of a selection unrenderSelection: function() { this.unrenderHelper(); this.unrenderHighlight(); },

/* Fill System (highlight, background events, business hours) ------------------------------------------------------------------------------------------------------------------*/

// Renders a set of rectangles over the given time segments. // Only returns segments that successfully rendered. renderFill: function(type, segs, className) { var segCols; var skeletonEl; var trEl; var col, colSegs; var tdEl; var containerEl; var dayDate; var i, seg;

if (segs.length) {

segs = this.renderFillSegEls(type, segs); // assignes `.el` to each seg. returns successfully rendered segs segCols = this.groupSegCols(segs); // group into sub-arrays, and assigns 'col' to each seg

className = className || type.toLowerCase(); skeletonEl = $(

'

' + '

' +

'</div>' ); trEl = skeletonEl.find('tr');

for (col = 0; col < segCols.length; col++) { colSegs = segCols[col]; tdEl = $('<td/>').appendTo(trEl);

if (colSegs.length) { containerEl = $('<div class="fc-' + className + '-container"/>').appendTo(tdEl); dayDate = this.colDates[col];

for (i = 0; i < colSegs.length; i++) { seg = colSegs[i]; containerEl.append( seg.el.css({ top: this.computeDateTop(seg.start, dayDate), bottom: -this.computeDateTop(seg.end, dayDate) // the y position of the bottom edge }) ); } } }

this.bookendCells(trEl, type);

this.el.append(skeletonEl); this.elsByFill[type] = skeletonEl; }

return segs; }

});

/* Event-rendering methods for the TimeGrid class

*/

TimeGrid.mixin({

eventSkeletonEl: null, // has cells with event-containers, which contain absolutely positioned event elements

// Renders the given foreground event segments onto the grid renderFgSegs: function(segs) { segs = this.renderFgSegEls(segs); // returns a subset of the segs. segs that were actually rendered

this.el.append( this.eventSkeletonEl = $('<div class="fc-content-skeleton"/>') .append(this.renderSegTable(segs)) );

return segs; // return only the segs that were actually rendered },

// Unrenders all currently rendered foreground event segments unrenderFgSegs: function(segs) { if (this.eventSkeletonEl) { this.eventSkeletonEl.remove(); this.eventSkeletonEl = null; } },

// Renders and returns the portion of the event-skeleton. // Returns an object with properties 'tbodyEl' and 'segs'. renderSegTable: function(segs) { var tableEl = $('

');

var trEl = tableEl.find('tr'); var segCols; var i, seg; var col, colSegs; var containerEl;

segCols = this.groupSegCols(segs); // group into sub-arrays, and assigns 'col' to each seg

this.computeSegVerticals(segs); // compute and assign top/bottom

for (col = 0; col < segCols.length; col++) { // iterate each column grouping colSegs = segCols[col]; placeSlotSegs(colSegs); // compute horizontal coordinates, z-index's, and reorder the array

containerEl = $('<div class="fc-event-container"/>');

// assign positioning CSS and insert into container for (i = 0; i < colSegs.length; i++) { seg = colSegs[i]; seg.el.css(this.generateSegPositionCss(seg));

// if the height is short, add a className for alternate styling if (seg.bottom - seg.top < 30) { seg.el.addClass('fc-short'); }

containerEl.append(seg.el); }

trEl.append($('<td/>').append(containerEl)); }

this.bookendCells(trEl, 'eventSkeleton');

return tableEl; },

// Refreshes the CSS top/bottom coordinates for each segment element. Probably after a window resize/zoom. // Repositions business hours segs too, so not just for events. Maybe shouldn't be here. updateSegVerticals: function() { var allSegs = (this.segs || []).concat(this.businessHourSegs || []); var i;

this.computeSegVerticals(allSegs);

for (i = 0; i < allSegs.length; i++) { allSegs[i].el.css( this.generateSegVerticalCss(allSegs[i]) ); } },

// For each segment in an array, computes and assigns its top and bottom properties computeSegVerticals: function(segs) { var i, seg;

for (i = 0; i < segs.length; i++) { seg = segs[i]; seg.top = this.computeDateTop(seg.start, seg.start); seg.bottom = this.computeDateTop(seg.end, seg.start); } },

// Renders the HTML for a single event segment's default rendering fgSegHtml: function(seg, disableResizing) { var view = this.view; var event = seg.event; var isDraggable = view.isEventDraggable(event); var isResizableFromStart = !disableResizing && seg.isStart && view.isEventResizableFromStart(event); var isResizableFromEnd = !disableResizing && seg.isEnd && view.isEventResizableFromEnd(event); var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd); var skinCss = cssToStr(this.getEventSkinCss(event)); var timeText; var fullTimeText; // more verbose time text. for the print stylesheet var startTimeText; // just the start time text

classes.unshift('fc-time-grid-event', 'fc-v-event');

if (view.isMultiDayEvent(event)) { // if the event appears to span more than one day... // Don't display time text on segments that run entirely through a day. // That would appear as midnight-midnight and would look dumb. // Otherwise, display the time text for the *segment's* times (like 6pm-midnight or midnight-10am) if (seg.isStart || seg.isEnd) { timeText = this.getEventTimeText(seg); fullTimeText = this.getEventTimeText(seg, 'LT'); startTimeText = this.getEventTimeText(seg, null, false); // displayEnd=false } } else { // Display the normal time text for the *event's* times timeText = this.getEventTimeText(event); fullTimeText = this.getEventTimeText(event, 'LT'); startTimeText = this.getEventTimeText(event, null, false); // displayEnd=false }

return '<a class="' + classes.join(' ') + '"' + (event.url ? ' href="' + htmlEscape(event.url) + '"' : ) + (skinCss ? ' style="' + skinCss + '"' : ) + '>' +

'

' +

(timeText ?

'

' +

'' + htmlEscape(timeText) + '' +

'

' :

) + (event.title ?

'

' +

htmlEscape(event.title) +

'

' :

) +

'

' +

'<div class="fc-bg"/>' + /* TODO: write CSS for this (isResizableFromStart ? '<div class="fc-resizer fc-start-resizer" />' : ) + */ (isResizableFromEnd ? '<div class="fc-resizer fc-end-resizer" />' : ) + '</a>'; },

// Generates an object with CSS properties/values that should be applied to an event segment element. // Contains important positioning-related properties that should be applied to any event element, customized or not. generateSegPositionCss: function(seg) { var shouldOverlap = this.view.opt('slotEventOverlap'); var backwardCoord = seg.backwardCoord; // the left side if LTR. the right side if RTL. floating-point var forwardCoord = seg.forwardCoord; // the right side if LTR. the left side if RTL. floating-point var props = this.generateSegVerticalCss(seg); // get top/bottom first var left; // amount of space from left edge, a fraction of the total width var right; // amount of space from right edge, a fraction of the total width

if (shouldOverlap) { // double the width, but don't go beyond the maximum forward coordinate (1.0) forwardCoord = Math.min(1, backwardCoord + (forwardCoord - backwardCoord) * 2); }

if (this.isRTL) { left = 1 - forwardCoord; right = backwardCoord; } else { left = backwardCoord; right = 1 - forwardCoord; }

props.zIndex = seg.level + 1; // convert from 0-base to 1-based props.left = left * 100 + '%'; props.right = right * 100 + '%';

if (shouldOverlap && seg.forwardPressure) { // add padding to the edge so that forward stacked events don't cover the resizer's icon props[this.isRTL ? 'marginLeft' : 'marginRight'] = 10 * 2; // 10 is a guesstimate of the icon's width }

return props; },

// Generates an object with CSS properties for the top/bottom coordinates of a segment element generateSegVerticalCss: function(seg) { return { top: seg.top, bottom: -seg.bottom // flipped because needs to be space beyond bottom edge of event container }; },

// Given a flat array of segments, return an array of sub-arrays, grouped by each segment's col groupSegCols: function(segs) { var segCols = []; var i;

for (i = 0; i < this.colCnt; i++) { segCols.push([]); }

for (i = 0; i < segs.length; i++) { segCols[segs[i].col].push(segs[i]); }

return segCols; }

});

// Given an array of segments that are all in the same column, sets the backwardCoord and forwardCoord on each. // NOTE: Also reorders the given array by date! function placeSlotSegs(segs) { var levels; var level0; var i;

segs.sort(compareSegs); // order by date levels = buildSlotSegLevels(segs); computeForwardSlotSegs(levels);

if ((level0 = levels[0])) {

for (i = 0; i < level0.length; i++) { computeSlotSegPressures(level0[i]); }

for (i = 0; i < level0.length; i++) { computeSlotSegCoords(level0[i], 0, 0); } } }

// Builds an array of segments "levels". The first level will be the leftmost tier of segments if the calendar is // left-to-right, or the rightmost if the calendar is right-to-left. Assumes the segments are already ordered by date. function buildSlotSegLevels(segs) { var levels = []; var i, seg; var j;

for (i=0; i<segs.length; i++) { seg = segs[i];

// go through all the levels and stop on the first level where there are no collisions for (j=0; j<levels.length; j++) { if (!computeSlotSegCollisions(seg, levels[j]).length) { break; } }

seg.level = j;

(levels[j] || (levels[j] = [])).push(seg); }

return levels; }

// For every segment, figure out the other segments that are in subsequent // levels that also occupy the same vertical space. Accumulate in seg.forwardSegs function computeForwardSlotSegs(levels) { var i, level; var j, seg; var k;

for (i=0; i<levels.length; i++) { level = levels[i];

for (j=0; j<level.length; j++) { seg = level[j];

seg.forwardSegs = []; for (k=i+1; k<levels.length; k++) { computeSlotSegCollisions(seg, levels[k], seg.forwardSegs); } } } }

// Figure out which path forward (via seg.forwardSegs) results in the longest path until // the furthest edge is reached. The number of segments in this path will be seg.forwardPressure function computeSlotSegPressures(seg) { var forwardSegs = seg.forwardSegs; var forwardPressure = 0; var i, forwardSeg;

if (seg.forwardPressure === undefined) { // not already computed

for (i=0; i<forwardSegs.length; i++) { forwardSeg = forwardSegs[i];

// figure out the child's maximum forward path computeSlotSegPressures(forwardSeg);

// either use the existing maximum, or use the child's forward pressure // plus one (for the forwardSeg itself) forwardPressure = Math.max( forwardPressure, 1 + forwardSeg.forwardPressure ); }

seg.forwardPressure = forwardPressure; } }

// Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range // from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and // seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left. // // The segment might be part of a "series", which means consecutive segments with the same pressure // who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of // segments behind this one in the current series, and `seriesBackwardCoord` is the starting // coordinate of the first segment in the series. function computeSlotSegCoords(seg, seriesBackwardPressure, seriesBackwardCoord) { var forwardSegs = seg.forwardSegs; var i;

if (seg.forwardCoord === undefined) { // not already computed

if (!forwardSegs.length) {

// if there are no forward segments, this segment should butt up against the edge seg.forwardCoord = 1; } else {

// sort highest pressure first forwardSegs.sort(compareForwardSlotSegs);

// this segment's forwardCoord will be calculated from the backwardCoord of the // highest-pressure forward segment. computeSlotSegCoords(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord); seg.forwardCoord = forwardSegs[0].backwardCoord; }

// calculate the backwardCoord from the forwardCoord. consider the series seg.backwardCoord = seg.forwardCoord - (seg.forwardCoord - seriesBackwardCoord) / // available width for series (seriesBackwardPressure + 1); // # of segments in the series

// use this segment's coordinates to computed the coordinates of the less-pressurized // forward segments for (i=0; i<forwardSegs.length; i++) { computeSlotSegCoords(forwardSegs[i], 0, seg.forwardCoord); } } }

// Find all the segments in `otherSegs` that vertically collide with `seg`. // Append into an optionally-supplied `results` array and return. function computeSlotSegCollisions(seg, otherSegs, results) { results = results || [];

for (var i=0; i<otherSegs.length; i++) { if (isSlotSegCollision(seg, otherSegs[i])) { results.push(otherSegs[i]); } }

return results; }

// Do these segments occupy the same vertical space? function isSlotSegCollision(seg1, seg2) { return seg1.bottom > seg2.top && seg1.top < seg2.bottom; }

// A cmp function for determining which forward segment to rely on more when computing coordinates. function compareForwardSlotSegs(seg1, seg2) { // put higher-pressure first return seg2.forwardPressure - seg1.forwardPressure || // put segments that are closer to initial edge first (and favor ones with no coords yet) (seg1.backwardCoord || 0) - (seg2.backwardCoord || 0) || // do normal sorting... compareSegs(seg1, seg2); }

/* An abstract class from which other views inherit from

*/

var View = fc.View = Class.extend({

type: null, // subclass' view name (string) name: null, // deprecated. use `type` instead title: null, // the text that will be displayed in the header's title

calendar: null, // owner Calendar object options: null, // hash containing all options. already merged with view-specific-options coordMap: null, // a CoordMap object for converting pixel regions to dates el: null, // the view's containing element. set by Calendar

displaying: null, // a promise representing the state of rendering. null if no render requested isSkeletonRendered: false, isEventsRendered: false,

// range the view is actually displaying (moments) start: null, end: null, // exclusive

// range the view is formally responsible for (moments) // may be different from start/end. for example, a month view might have 1st-31st, excluding padded dates intervalStart: null, intervalEnd: null, // exclusive intervalDuration: null, intervalUnit: null, // name of largest unit being displayed, like "month" or "week"

isRTL: false, isSelected: false, // boolean whether a range of time is user-selected or not

// subclasses can optionally use a scroll container scrollerEl: null, // the element that will most likely scroll when content is too tall scrollTop: null, // cached vertical scroll value

// classNames styled by jqui themes widgetHeaderClass: null, widgetContentClass: null, highlightStateClass: null,

// for date utils, computed from options nextDayThreshold: null, isHiddenDayHash: null,

// document handlers, bound to `this` object documentMousedownProxy: null, // TODO: doesn't work with touch

constructor: function(calendar, type, options, intervalDuration) {

this.calendar = calendar; this.type = this.name = type; // .name is deprecated this.options = options; this.intervalDuration = intervalDuration || moment.duration(1, 'day');

this.nextDayThreshold = moment.duration(this.opt('nextDayThreshold')); this.initThemingProps(); this.initHiddenDays(); this.isRTL = this.opt('isRTL');

this.documentMousedownProxy = proxy(this, 'documentMousedown');

this.initialize(); },

// A good place for subclasses to initialize member variables initialize: function() { // subclasses can implement },

// Retrieves an option with the given name opt: function(name) { return this.options[name]; },

// Triggers handlers that are view-related. Modifies args before passing to calendar. trigger: function(name, thisObj) { // arguments beyond thisObj are passed along var calendar = this.calendar;

return calendar.trigger.apply( calendar, [name, thisObj || this].concat( Array.prototype.slice.call(arguments, 2), // arguments beyond thisObj [ this ] // always make the last argument a reference to the view. TODO: deprecate ) ); },

/* Dates ------------------------------------------------------------------------------------------------------------------*/

// Updates all internal dates to center around the given current date setDate: function(date) { this.setRange(this.computeRange(date)); },

// Updates all internal dates for displaying the given range. // Expects all values to be normalized (like what computeRange does). setRange: function(range) { $.extend(this, range); this.updateTitle(); },

// Given a single current date, produce information about what range to display. // Subclasses can override. Must return all properties. computeRange: function(date) { var intervalUnit = computeIntervalUnit(this.intervalDuration); var intervalStart = date.clone().startOf(intervalUnit); var intervalEnd = intervalStart.clone().add(this.intervalDuration); var start, end;

// normalize the range's time-ambiguity if (/year|month|week|day/.test(intervalUnit)) { // whole-days? intervalStart.stripTime(); intervalEnd.stripTime(); } else { // needs to have a time? if (!intervalStart.hasTime()) { intervalStart = this.calendar.rezoneDate(intervalStart); // convert to current timezone, with 00:00 } if (!intervalEnd.hasTime()) { intervalEnd = this.calendar.rezoneDate(intervalEnd); // convert to current timezone, with 00:00 } }

start = intervalStart.clone(); start = this.skipHiddenDays(start); end = intervalEnd.clone(); end = this.skipHiddenDays(end, -1, true); // exclusively move backwards

return { intervalUnit: intervalUnit, intervalStart: intervalStart, intervalEnd: intervalEnd, start: start, end: end }; },

// Computes the new date when the user hits the prev button, given the current date computePrevDate: function(date) { return this.massageCurrentDate( date.clone().startOf(this.intervalUnit).subtract(this.intervalDuration), -1 ); },

// Computes the new date when the user hits the next button, given the current date computeNextDate: function(date) { return this.massageCurrentDate( date.clone().startOf(this.intervalUnit).add(this.intervalDuration) ); },

// Given an arbitrarily calculated current date of the calendar, returns a date that is ensured to be completely // visible. `direction` is optional and indicates which direction the current date was being // incremented or decremented (1 or -1). massageCurrentDate: function(date, direction) { if (this.intervalDuration.as('days') <= 1) { // if the view displays a single day or smaller if (this.isHiddenDay(date)) { date = this.skipHiddenDays(date, direction); date.startOf('day'); } }

return date; },

/* Title and Date Formatting ------------------------------------------------------------------------------------------------------------------*/

// Sets the view's title property to the most updated computed value updateTitle: function() { this.title = this.computeTitle(); },

// Computes what the title at the top of the calendar should be for this view computeTitle: function() { return this.formatRange( { start: this.intervalStart, end: this.intervalEnd }, this.opt('titleFormat') || this.computeTitleFormat(), this.opt('titleRangeSeparator') ); },

// Generates the format string that should be used to generate the title for the current date range. // Attempts to compute the most appropriate format if not explicitly specified with `titleFormat`. computeTitleFormat: function() { if (this.intervalUnit == 'year') { return 'YYYY'; } else if (this.intervalUnit == 'month') { return this.opt('monthYearFormat'); // like "September 2014" } else if (this.intervalDuration.as('days') > 1) { return 'll'; // multi-day range. shorter, like "Sep 9 - 10 2014" } else { return 'LL'; // one day. longer, like "September 9 2014" } },

// Utility for formatting a range. Accepts a range object, formatting string, and optional separator. // Displays all-day ranges naturally, with an inclusive end. Takes the current isRTL into account. formatRange: function(range, formatStr, separator) { var end = range.end;

if (!end.hasTime()) { // all-day? end = end.clone().subtract(1); // convert to inclusive. last ms of previous day }

return formatRange(range.start, end, formatStr, separator, this.opt('isRTL')); },

/* Rendering ------------------------------------------------------------------------------------------------------------------*/

// Sets the container element that the view should render inside of. // Does other DOM-related initializations. setElement: function(el) { this.el = el; this.bindGlobalHandlers(); },

// Removes the view's container element from the DOM, clearing any content beforehand. // Undoes any other DOM-related attachments. removeElement: function() { this.clear(); // clears all content

// clean up the skeleton if (this.isSkeletonRendered) { this.unrenderSkeleton(); this.isSkeletonRendered = false; }

this.unbindGlobalHandlers();

this.el.remove();

// NOTE: don't null-out this.el in case the View was destroyed within an API callback. // We don't null-out the View's other jQuery element references upon destroy, // so we shouldn't kill this.el either. },

// Does everything necessary to display the view centered around the given date. // Does every type of rendering EXCEPT rendering events. // Is asychronous and returns a promise. display: function(date) { var _this = this; var scrollState = null;

if (this.displaying) { scrollState = this.queryScroll(); }

return this.clear().then(function() { // clear the content first (async) return ( _this.displaying = $.when(_this.displayView(date)) // displayView might return a promise .then(function() { _this.forceScroll(_this.computeInitialScroll(scrollState)); _this.triggerRender(); }) ); }); },

// Does everything necessary to clear the content of the view. // Clears dates and events. Does not clear the skeleton. // Is asychronous and returns a promise. clear: function() { var _this = this; var displaying = this.displaying;

if (displaying) { // previously displayed, or in the process of being displayed? return displaying.then(function() { // wait for the display to finish _this.displaying = null; _this.clearEvents(); return _this.clearView(); // might return a promise. chain it }); } else { return $.when(); // an immediately-resolved promise } },

// Displays the view's non-event content, such as date-related content or anything required by events. // Renders the view's non-content skeleton if necessary. // Can be asynchronous and return a promise. displayView: function(date) { if (!this.isSkeletonRendered) { this.renderSkeleton(); this.isSkeletonRendered = true; } this.setDate(date); if (this.render) { this.render(); // TODO: deprecate } this.renderDates(); this.updateSize(); this.renderBusinessHours(); // might need coordinates, so should go after updateSize() },

// Unrenders the view content that was rendered in displayView. // Can be asynchronous and return a promise. clearView: function() { this.unselect(); this.triggerUnrender(); this.unrenderBusinessHours(); this.unrenderDates(); if (this.destroy) { this.destroy(); // TODO: deprecate } },

// Renders the basic structure of the view before any content is rendered renderSkeleton: function() { // subclasses should implement },

// Unrenders the basic structure of the view unrenderSkeleton: function() { // subclasses should implement },

// Renders the view's date-related content (like cells that represent days/times). // Assumes setRange has already been called and the skeleton has already been rendered. renderDates: function() { // subclasses should implement },

// Unrenders the view's date-related content unrenderDates: function() { // subclasses should override },

// Renders business-hours onto the view. Assumes updateSize has already been called. renderBusinessHours: function() { // subclasses should implement },

// Unrenders previously-rendered business-hours unrenderBusinessHours: function() { // subclasses should implement },

// Signals that the view's content has been rendered triggerRender: function() { this.trigger('viewRender', this, this, this.el); },

// Signals that the view's content is about to be unrendered triggerUnrender: function() { this.trigger('viewDestroy', this, this, this.el); },

// Binds DOM handlers to elements that reside outside the view container, such as the document bindGlobalHandlers: function() { $(document).on('mousedown', this.documentMousedownProxy); },

// Unbinds DOM handlers from elements that reside outside the view container unbindGlobalHandlers: function() { $(document).off('mousedown', this.documentMousedownProxy); },

// Initializes internal variables related to theming initThemingProps: function() { var tm = this.opt('theme') ? 'ui' : 'fc';

this.widgetHeaderClass = tm + '-widget-header'; this.widgetContentClass = tm + '-widget-content'; this.highlightStateClass = tm + '-state-highlight'; },

/* Dimensions ------------------------------------------------------------------------------------------------------------------*/

// Refreshes anything dependant upon sizing of the container element of the grid updateSize: function(isResize) { var scrollState;

if (isResize) { scrollState = this.queryScroll(); }

this.updateHeight(isResize); this.updateWidth(isResize);

if (isResize) { this.setScroll(scrollState); } },

// Refreshes the horizontal dimensions of the calendar updateWidth: function(isResize) { // subclasses should implement },

// Refreshes the vertical dimensions of the calendar updateHeight: function(isResize) { var calendar = this.calendar; // we poll the calendar for height information

this.setHeight( calendar.getSuggestedViewHeight(), calendar.isHeightAuto() ); },

// Updates the vertical dimensions of the calendar to the specified height. // if `isAuto` is set to true, height becomes merely a suggestion and the view should use its "natural" height. setHeight: function(height, isAuto) { // subclasses should implement },

/* Scroller ------------------------------------------------------------------------------------------------------------------*/

// Given the total height of the view, return the number of pixels that should be used for the scroller. // Utility for subclasses. computeScrollerHeight: function(totalHeight) { var scrollerEl = this.scrollerEl; var both; var otherHeight; // cumulative height of everything that is not the scrollerEl in the view (header+borders)

both = this.el.add(scrollerEl);

// fuckin IE8/9/10/11 sometimes returns 0 for dimensions. this weird hack was the only thing that worked both.css({ position: 'relative', // cause a reflow, which will force fresh dimension recalculation left: -1 // ensure reflow in case the el was already relative. negative is less likely to cause new scroll }); otherHeight = this.el.outerHeight() - scrollerEl.height(); // grab the dimensions both.css({ position: , left: }); // undo hack

return totalHeight - otherHeight; },

// Computes the initial pre-configured scroll state prior to allowing the user to change it. // Given the scroll state from the previous rendering. If first time rendering, given null. computeInitialScroll: function(previousScrollState) { return 0; },

// Retrieves the view's current natural scroll state. Can return an arbitrary format. queryScroll: function() { if (this.scrollerEl) { return this.scrollerEl.scrollTop(); // operates on scrollerEl by default } },

// Sets the view's scroll state. Will accept the same format computeInitialScroll and queryScroll produce. setScroll: function(scrollState) { if (this.scrollerEl) { return this.scrollerEl.scrollTop(scrollState); // operates on scrollerEl by default } },

// Sets the scroll state, making sure to overcome any predefined scroll value the browser has in mind forceScroll: function(scrollState) { var _this = this;

this.setScroll(scrollState); setTimeout(function() { _this.setScroll(scrollState); }, 0); },

/* Event Elements / Segments ------------------------------------------------------------------------------------------------------------------*/

// Does everything necessary to display the given events onto the current view displayEvents: function(events) { var scrollState = this.queryScroll();

this.clearEvents(); this.renderEvents(events); this.isEventsRendered = true; this.setScroll(scrollState); this.triggerEventRender(); },

// Does everything necessary to clear the view's currently-rendered events clearEvents: function() { if (this.isEventsRendered) { this.triggerEventUnrender(); if (this.destroyEvents) { this.destroyEvents(); // TODO: deprecate } this.unrenderEvents(); this.isEventsRendered = false; } },

// Renders the events onto the view. renderEvents: function(events) { // subclasses should implement },

// Removes event elements from the view. unrenderEvents: function() { // subclasses should implement },

// Signals that all events have been rendered triggerEventRender: function() { this.renderedEventSegEach(function(seg) { this.trigger('eventAfterRender', seg.event, seg.event, seg.el); }); this.trigger('eventAfterAllRender'); },

// Signals that all event elements are about to be removed triggerEventUnrender: function() { this.renderedEventSegEach(function(seg) { this.trigger('eventDestroy', seg.event, seg.event, seg.el); }); },

// Given an event and the default element used for rendering, returns the element that should actually be used. // Basically runs events and elements through the eventRender hook. resolveEventEl: function(event, el) { var custom = this.trigger('eventRender', event, event, el);

if (custom === false) { // means don't render at all el = null; } else if (custom && custom !== true) { el = $(custom); }

return el; },

// Hides all rendered event segments linked to the given event showEvent: function(event) { this.renderedEventSegEach(function(seg) { seg.el.css('visibility', ); }, event); },

// Shows all rendered event segments linked to the given event hideEvent: function(event) { this.renderedEventSegEach(function(seg) { seg.el.css('visibility', 'hidden'); }, event); },

// Iterates through event segments that have been rendered (have an el). Goes through all by default. // If the optional `event` argument is specified, only iterates through segments linked to that event. // The `this` value of the callback function will be the view. renderedEventSegEach: function(func, event) { var segs = this.getEventSegs(); var i;

for (i = 0; i < segs.length; i++) { if (!event || segs[i].event._id === event._id) { if (segs[i].el) { func.call(this, segs[i]); } } } },

// Retrieves all the rendered segment objects for the view getEventSegs: function() { // subclasses must implement return []; },

/* Event Drag-n-Drop ------------------------------------------------------------------------------------------------------------------*/

// Computes if the given event is allowed to be dragged by the user isEventDraggable: function(event) { var source = event.source || {};

return firstDefined( event.startEditable, source.startEditable, this.opt('eventStartEditable'), event.editable, source.editable, this.opt('editable') ); },

// Must be called when an event in the view is dropped onto new location. // `dropLocation` is an object that contains the new start/end/allDay values for the event. reportEventDrop: function(event, dropLocation, largeUnit, el, ev) { var calendar = this.calendar; var mutateResult = calendar.mutateEvent(event, dropLocation, largeUnit); var undoFunc = function() { mutateResult.undo(); calendar.reportEventChange(); };

this.triggerEventDrop(event, mutateResult.dateDelta, undoFunc, el, ev); calendar.reportEventChange(); // will rerender events },

// Triggers event-drop handlers that have subscribed via the API triggerEventDrop: function(event, dateDelta, undoFunc, el, ev) { this.trigger('eventDrop', el[0], event, dateDelta, undoFunc, ev, {}); // {} = jqui dummy },

/* External Element Drag-n-Drop ------------------------------------------------------------------------------------------------------------------*/

// Must be called when an external element, via jQuery UI, has been dropped onto the calendar. // `meta` is the parsed data that has been embedded into the dragging event. // `dropLocation` is an object that contains the new start/end/allDay values for the event. reportExternalDrop: function(meta, dropLocation, el, ev, ui) { var eventProps = meta.eventProps; var eventInput; var event;

// Try to build an event object and render it. TODO: decouple the two if (eventProps) { eventInput = $.extend({}, eventProps, dropLocation); event = this.calendar.renderEvent(eventInput, meta.stick)[0]; // renderEvent returns an array }

this.triggerExternalDrop(event, dropLocation, el, ev, ui); },

// Triggers external-drop handlers that have subscribed via the API triggerExternalDrop: function(event, dropLocation, el, ev, ui) {

// trigger 'drop' regardless of whether element represents an event this.trigger('drop', el[0], dropLocation.start, ev, ui);

if (event) { this.trigger('eventReceive', null, event); // signal an external event landed } },

/* Drag-n-Drop Rendering (for both events and external elements) ------------------------------------------------------------------------------------------------------------------*/

// Renders a visual indication of a event or external-element drag over the given drop zone. // If an external-element, seg will be `null` renderDrag: function(dropLocation, seg) { // subclasses must implement },

// Unrenders a visual indication of an event or external-element being dragged. unrenderDrag: function() { // subclasses must implement },

/* Event Resizing ------------------------------------------------------------------------------------------------------------------*/

// Computes if the given event is allowed to be resized from its starting edge isEventResizableFromStart: function(event) { return this.opt('eventResizableFromStart') && this.isEventResizable(event); },

// Computes if the given event is allowed to be resized from its ending edge isEventResizableFromEnd: function(event) { return this.isEventResizable(event); },

// Computes if the given event is allowed to be resized by the user at all isEventResizable: function(event) { var source = event.source || {};

return firstDefined( event.durationEditable, source.durationEditable, this.opt('eventDurationEditable'), event.editable, source.editable, this.opt('editable') ); },

// Must be called when an event in the view has been resized to a new length reportEventResize: function(event, resizeLocation, largeUnit, el, ev) { var calendar = this.calendar; var mutateResult = calendar.mutateEvent(event, resizeLocation, largeUnit); var undoFunc = function() { mutateResult.undo(); calendar.reportEventChange(); };

this.triggerEventResize(event, mutateResult.durationDelta, undoFunc, el, ev); calendar.reportEventChange(); // will rerender events },

// Triggers event-resize handlers that have subscribed via the API triggerEventResize: function(event, durationDelta, undoFunc, el, ev) { this.trigger('eventResize', el[0], event, durationDelta, undoFunc, ev, {}); // {} = jqui dummy },

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

// Selects a date range on the view. `start` and `end` are both Moments. // `ev` is the native mouse event that begin the interaction. select: function(range, ev) { this.unselect(ev); this.renderSelection(range); this.reportSelection(range, ev); },

// Renders a visual indication of the selection renderSelection: function(range) { // subclasses should implement },

// Called when a new selection is made. Updates internal state and triggers handlers. reportSelection: function(range, ev) { this.isSelected = true; this.triggerSelect(range, ev); },

// Triggers handlers to 'select' triggerSelect: function(range, ev) { this.trigger('select', null, range.start, range.end, ev); },

// Undoes a selection. updates in the internal state and triggers handlers. // `ev` is the native mouse event that began the interaction. unselect: function(ev) { if (this.isSelected) { this.isSelected = false; if (this.destroySelection) { this.destroySelection(); // TODO: deprecate } this.unrenderSelection(); this.trigger('unselect', null, ev); } },

// Unrenders a visual indication of selection unrenderSelection: function() { // subclasses should implement },

// Handler for unselecting when the user clicks something and the 'unselectAuto' setting is on documentMousedown: function(ev) { var ignore;

// is there a selection, and has the user made a proper left click? if (this.isSelected && this.opt('unselectAuto') && isPrimaryMouseButton(ev)) {

// only unselect if the clicked element is not identical to or inside of an 'unselectCancel' element ignore = this.opt('unselectCancel'); if (!ignore || !$(ev.target).closest(ignore).length) { this.unselect(ev); } } },

/* Day Click ------------------------------------------------------------------------------------------------------------------*/

// Triggers handlers to 'dayClick' triggerDayClick: function(cell, dayEl, ev) { this.trigger('dayClick', dayEl, cell.start, ev); },

/* Date Utils ------------------------------------------------------------------------------------------------------------------*/

// Initializes internal variables related to calculating hidden days-of-week initHiddenDays: function() { var hiddenDays = this.opt('hiddenDays') || []; // array of day-of-week indices that are hidden var isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool) var dayCnt = 0; var i;

if (this.opt('weekends') === false) { hiddenDays.push(0, 6); // 0=sunday, 6=saturday }

for (i = 0; i < 7; i++) { if ( !(isHiddenDayHash[i] = $.inArray(i, hiddenDays) !== -1) ) { dayCnt++; } }

if (!dayCnt) { throw 'invalid hiddenDays'; // all days were hidden? bad. }

this.isHiddenDayHash = isHiddenDayHash; },

// Is the current day hidden? // `day` is a day-of-week index (0-6), or a Moment isHiddenDay: function(day) { if (moment.isMoment(day)) { day = day.day(); } return this.isHiddenDayHash[day]; },

// Incrementing the current day until it is no longer a hidden day, returning a copy. // If the initial value of `date` is not a hidden day, don't do anything. // Pass `isExclusive` as `true` if you are dealing with an end date. // `inc` defaults to `1` (increment one day forward each time) skipHiddenDays: function(date, inc, isExclusive) { var out = date.clone(); inc = inc || 1; while ( this.isHiddenDayHash[(out.day() + (isExclusive ? inc : 0) + 7) % 7] ) { out.add(inc, 'days'); } return out; },

// Returns the date range of the full days the given range visually appears to occupy. // Returns a new range object. computeDayRange: function(range) { var startDay = range.start.clone().stripTime(); // the beginning of the day the range starts var end = range.end; var endDay = null; var endTimeMS;

if (end) { endDay = end.clone().stripTime(); // the beginning of the day the range exclusively ends endTimeMS = +end.time(); // # of milliseconds into `endDay`

// If the end time is actually inclusively part of the next day and is equal to or // beyond the next day threshold, adjust the end to be the exclusive end of `endDay`. // Otherwise, leaving it as inclusive will cause it to exclude `endDay`. if (endTimeMS && endTimeMS >= this.nextDayThreshold) { endDay.add(1, 'days'); } }

// If no end was specified, or if it is within `startDay` but not past nextDayThreshold, // assign the default duration of one day. if (!end || endDay <= startDay) { endDay = startDay.clone().add(1, 'days'); }

return { start: startDay, end: endDay }; },

// Does the given event visually appear to occupy more than one day? isMultiDayEvent: function(event) { var range = this.computeDayRange(event); // event is range-ish

return range.end.diff(range.start, 'days') > 1; }

});

var Calendar = fc.Calendar = Class.extend({

dirDefaults: null, // option defaults related to LTR or RTL langDefaults: null, // option defaults related to current locale overrides: null, // option overrides given to the fullCalendar constructor options: null, // all defaults combined with overrides viewSpecCache: null, // cache of view definitions view: null, // current View object header: null, loadingLevel: 0, // number of simultaneous loading tasks

// a lot of this class' OOP logic is scoped within this constructor function, // but in the future, write individual methods on the prototype. constructor: Calendar_constructor,

// Subclasses can override this for initialization logic after the constructor has been called initialize: function() { },

// Initializes `this.options` and other important options-related objects initOptions: function(overrides) { var lang, langDefaults; var isRTL, dirDefaults;

// converts legacy options into non-legacy ones. // in the future, when this is removed, don't use `overrides` reference. make a copy. overrides = massageOverrides(overrides);

lang = overrides.lang; langDefaults = langOptionHash[lang]; if (!langDefaults) { lang = Calendar.defaults.lang; langDefaults = langOptionHash[lang] || {}; }

isRTL = firstDefined( overrides.isRTL, langDefaults.isRTL, Calendar.defaults.isRTL ); dirDefaults = isRTL ? Calendar.rtlDefaults : {};

this.dirDefaults = dirDefaults; this.langDefaults = langDefaults; this.overrides = overrides; this.options = mergeOptions([ // merge defaults and overrides. lowest to highest precedence Calendar.defaults, // global defaults dirDefaults, langDefaults, overrides ]); populateInstanceComputableOptions(this.options);

this.viewSpecCache = {}; // somewhat unrelated },

// Gets information about how to create a view. Will use a cache. getViewSpec: function(viewType) { var cache = this.viewSpecCache;

return cache[viewType] || (cache[viewType] = this.buildViewSpec(viewType)); },

// Given a duration singular unit, like "week" or "day", finds a matching view spec. // Preference is given to views that have corresponding buttons. getUnitViewSpec: function(unit) { var viewTypes; var i; var spec;

if ($.inArray(unit, intervalUnits) != -1) {

// put views that have buttons first. there will be duplicates, but oh well viewTypes = this.header.getViewsWithButtons(); $.each(fc.views, function(viewType) { // all views viewTypes.push(viewType); });

for (i = 0; i < viewTypes.length; i++) { spec = this.getViewSpec(viewTypes[i]); if (spec) { if (spec.singleUnit == unit) { return spec; } } } } },

// Builds an object with information on how to create a given view buildViewSpec: function(requestedViewType) { var viewOverrides = this.overrides.views || {}; var specChain = []; // for the view. lowest to highest priority var defaultsChain = []; // for the view. lowest to highest priority var overridesChain = []; // for the view. lowest to highest priority var viewType = requestedViewType; var spec; // for the view var overrides; // for the view var duration; var unit;

// iterate from the specific view definition to a more general one until we hit an actual View class while (viewType) { spec = fcViews[viewType]; overrides = viewOverrides[viewType]; viewType = null; // clear. might repopulate for another iteration

if (typeof spec === 'function') { // TODO: deprecate spec = { 'class': spec }; }

if (spec) { specChain.unshift(spec); defaultsChain.unshift(spec.defaults || {}); duration = duration || spec.duration; viewType = viewType || spec.type; }

if (overrides) { overridesChain.unshift(overrides); // view-specific option hashes have options at zero-level duration = duration || overrides.duration; viewType = viewType || overrides.type; } }

spec = mergeProps(specChain); spec.type = requestedViewType; if (!spec['class']) { return false; }

if (duration) { duration = moment.duration(duration); if (duration.valueOf()) { // valid? spec.duration = duration; unit = computeIntervalUnit(duration);

// view is a single-unit duration, like "week" or "day" // incorporate options for this. lowest priority if (duration.as(unit) === 1) { spec.singleUnit = unit; overridesChain.unshift(viewOverrides[unit] || {}); } } }

spec.defaults = mergeOptions(defaultsChain); spec.overrides = mergeOptions(overridesChain);

this.buildViewSpecOptions(spec); this.buildViewSpecButtonText(spec, requestedViewType);

return spec; },

// Builds and assigns a view spec's options object from its already-assigned defaults and overrides buildViewSpecOptions: function(spec) { spec.options = mergeOptions([ // lowest to highest priority Calendar.defaults, // global defaults spec.defaults, // view's defaults (from ViewSubclass.defaults) this.dirDefaults, this.langDefaults, // locale and dir take precedence over view's defaults! this.overrides, // calendar's overrides (options given to constructor) spec.overrides // view's overrides (view-specific options) ]); populateInstanceComputableOptions(spec.options); },

// Computes and assigns a view spec's buttonText-related options buildViewSpecButtonText: function(spec, requestedViewType) {

// given an options object with a possible `buttonText` hash, lookup the buttonText for the // requested view, falling back to a generic unit entry like "week" or "day" function queryButtonText(options) { var buttonText = options.buttonText || {}; return buttonText[requestedViewType] || (spec.singleUnit ? buttonText[spec.singleUnit] : null); }

// highest to lowest priority spec.buttonTextOverride = queryButtonText(this.overrides) || // constructor-specified buttonText lookup hash takes precedence spec.overrides.buttonText; // `buttonText` for view-specific options is a string

// highest to lowest priority. mirrors buildViewSpecOptions spec.buttonTextDefault = queryButtonText(this.langDefaults) || queryButtonText(this.dirDefaults) || spec.defaults.buttonText || // a single string. from ViewSubclass.defaults queryButtonText(Calendar.defaults) || (spec.duration ? this.humanizeDuration(spec.duration) : null) || // like "3 days" requestedViewType; // fall back to given view name },

// Given a view name for a custom view or a standard view, creates a ready-to-go View object instantiateView: function(viewType) { var spec = this.getViewSpec(viewType);

return new spec['class'](this, viewType, spec.options, spec.duration); },

// Returns a boolean about whether the view is okay to instantiate at some point isValidViewType: function(viewType) { return Boolean(this.getViewSpec(viewType)); },

// Should be called when any type of async data fetching begins pushLoading: function() { if (!(this.loadingLevel++)) { this.trigger('loading', null, true, this.view); } },

// Should be called when any type of async data fetching completes popLoading: function() { if (!(--this.loadingLevel)) { this.trigger('loading', null, false, this.view); } },

// Given arguments to the select method in the API, returns a range buildSelectRange: function(start, end) {

start = this.moment(start); if (end) { end = this.moment(end); } else if (start.hasTime()) { end = start.clone().add(this.defaultTimedEventDuration); } else { end = start.clone().add(this.defaultAllDayEventDuration); }

return { start: start, end: end }; }

});

function Calendar_constructor(element, overrides) { var t = this;

t.initOptions(overrides || {}); var options = this.options;

// Exports // -----------------------------------------------------------------------------------

t.render = render; t.destroy = destroy; t.refetchEvents = refetchEvents; t.reportEvents = reportEvents; t.reportEventChange = reportEventChange; t.rerenderEvents = renderEvents; // `renderEvents` serves as a rerender. an API method t.changeView = renderView; // `renderView` will switch to another view t.select = select; t.unselect = unselect; t.prev = prev; t.next = next; t.prevYear = prevYear; t.nextYear = nextYear; t.today = today; t.gotoDate = gotoDate; t.incrementDate = incrementDate; t.zoomTo = zoomTo; t.getDate = getDate; t.getCalendar = getCalendar; t.getView = getView; t.option = option; t.trigger = trigger;

// Language-data Internals // ----------------------------------------------------------------------------------- // Apply overrides to the current language's data

var localeData = createObject( // make a cheap copy getMomentLocaleData(options.lang) // will fall back to en );

if (options.monthNames) { localeData._months = options.monthNames; } if (options.monthNamesShort) { localeData._monthsShort = options.monthNamesShort; } if (options.dayNames) { localeData._weekdays = options.dayNames; } if (options.dayNamesShort) { localeData._weekdaysShort = options.dayNamesShort; } if (options.firstDay != null) { var _week = createObject(localeData._week); // _week: { dow: # } _week.dow = options.firstDay; localeData._week = _week; }

// assign a normalized value, to be used by our .week() moment extension localeData._fullCalendar_weekCalc = (function(weekCalc) { if (typeof weekCalc === 'function') { return weekCalc; } else if (weekCalc === 'local') { return weekCalc; } else if (weekCalc === 'iso' || weekCalc === 'ISO') { return 'ISO'; } })(options.weekNumberCalculation);

// Calendar-specific Date Utilities // -----------------------------------------------------------------------------------

t.defaultAllDayEventDuration = moment.duration(options.defaultAllDayEventDuration); t.defaultTimedEventDuration = moment.duration(options.defaultTimedEventDuration);

// Builds a moment using the settings of the current calendar: timezone and language. // Accepts anything the vanilla moment() constructor accepts. t.moment = function() { var mom;

if (options.timezone === 'local') { mom = fc.moment.apply(null, arguments);

// Force the moment to be local, because fc.moment doesn't guarantee it. if (mom.hasTime()) { // don't give ambiguously-timed moments a local zone mom.local(); } } else if (options.timezone === 'UTC') { mom = fc.moment.utc.apply(null, arguments); // process as UTC } else { mom = fc.moment.parseZone.apply(null, arguments); // let the input decide the zone }

if ('_locale' in mom) { // moment 2.8 and above mom._locale = localeData; } else { // pre-moment-2.8 mom._lang = localeData; }

return mom; };

// Returns a boolean about whether or not the calendar knows how to calculate // the timezone offset of arbitrary dates in the current timezone. t.getIsAmbigTimezone = function() { return options.timezone !== 'local' && options.timezone !== 'UTC'; };

// Returns a copy of the given date in the current timezone of it is ambiguously zoned. // This will also give the date an unambiguous time. t.rezoneDate = function(date) { return t.moment(date.toArray()); };

// Returns a moment for the current date, as defined by the client's computer, // or overridden by the `now` option. t.getNow = function() { var now = options.now; if (typeof now === 'function') { now = now(); } return t.moment(now); };

// Get an event's normalized end date. If not present, calculate it from the defaults. t.getEventEnd = function(event) { if (event.end) { return event.end.clone(); } else { return t.getDefaultEventEnd(event.allDay, event.start); } };

// Given an event's allDay status and start date, return swhat its fallback end date should be. t.getDefaultEventEnd = function(allDay, start) { // TODO: rename to computeDefaultEventEnd var end = start.clone();

if (allDay) { end.stripTime().add(t.defaultAllDayEventDuration); } else { end.add(t.defaultTimedEventDuration); }

if (t.getIsAmbigTimezone()) { end.stripZone(); // we don't know what the tzo should be }

return end; };

// Produces a human-readable string for the given duration. // Side-effect: changes the locale of the given duration. t.humanizeDuration = function(duration) { return (duration.locale || duration.lang).call(duration, options.lang) // works moment-pre-2.8 .humanize(); };

// Imports // -----------------------------------------------------------------------------------

EventManager.call(t, options); var isFetchNeeded = t.isFetchNeeded; var fetchEvents = t.fetchEvents;

// Locals // -----------------------------------------------------------------------------------

var _element = element[0]; var header; var headerElement; var content; var tm; // for making theme classes var currentView; // NOTE: keep this in sync with this.view var viewsByType = {}; // holds all instantiated view instances, current or not var suggestedViewHeight; var windowResizeProxy; // wraps the windowResize function var ignoreWindowResize = 0; var date; var events = [];

// Main Rendering // -----------------------------------------------------------------------------------

if (options.defaultDate != null) { date = t.moment(options.defaultDate); } else { date = t.getNow(); }

function render() { if (!content) { initialRender(); } else if (elementVisible()) { // mainly for the public API calcSize(); renderView(); } }

function initialRender() { tm = options.theme ? 'ui' : 'fc'; element.addClass('fc');

if (options.isRTL) { element.addClass('fc-rtl'); } else { element.addClass('fc-ltr'); }

if (options.theme) { element.addClass('ui-widget'); } else { element.addClass('fc-unthemed'); }

content = $("<div class='fc-view-container'/>").prependTo(element);

header = t.header = new Header(t, options); headerElement = header.render(); if (headerElement) { element.prepend(headerElement); }

renderView(options.defaultView);

if (options.handleWindowResize) { windowResizeProxy = debounce(windowResize, options.windowResizeDelay); // prevents rapid calls $(window).resize(windowResizeProxy); } }

function destroy() {

if (currentView) { currentView.removeElement();

// NOTE: don't null-out currentView/t.view in case API methods are called after destroy. // It is still the "current" view, just not rendered. }

header.removeElement(); content.remove(); element.removeClass('fc fc-ltr fc-rtl fc-unthemed ui-widget');

if (windowResizeProxy) { $(window).unbind('resize', windowResizeProxy); } }

function elementVisible() { return element.is(':visible'); }

// View Rendering // -----------------------------------------------------------------------------------

// Renders a view because of a date change, view-type change, or for the first time. // If not given a viewType, keep the current view but render different dates. function renderView(viewType) { ignoreWindowResize++;

// if viewType is changing, remove the old view's rendering if (currentView && viewType && currentView.type !== viewType) { header.deactivateButton(currentView.type); freezeContentHeight(); // prevent a scroll jump when view element is removed currentView.removeElement(); currentView = t.view = null; }

// if viewType changed, or the view was never created, create a fresh view if (!currentView && viewType) { currentView = t.view = viewsByType[viewType] || (viewsByType[viewType] = t.instantiateView(viewType));

currentView.setElement( $("<div class='fc-view fc-" + viewType + "-view' />").appendTo(content) ); header.activateButton(viewType); }

if (currentView) {

// in case the view should render a period of time that is completely hidden date = currentView.massageCurrentDate(date);

// render or rerender the view if ( !currentView.displaying || !date.isWithin(currentView.intervalStart, currentView.intervalEnd) // implicit date window change ) { if (elementVisible()) {

freezeContentHeight(); currentView.display(date); unfreezeContentHeight(); // immediately unfreeze regardless of whether display is async

// need to do this after View::render, so dates are calculated updateHeaderTitle(); updateTodayButton();

getAndRenderEvents(); } } }

unfreezeContentHeight(); // undo any lone freezeContentHeight calls ignoreWindowResize--; }

// Resizing // -----------------------------------------------------------------------------------

t.getSuggestedViewHeight = function() { if (suggestedViewHeight === undefined) { calcSize(); } return suggestedViewHeight; };

t.isHeightAuto = function() { return options.contentHeight === 'auto' || options.height === 'auto'; };

function updateSize(shouldRecalc) { if (elementVisible()) {

if (shouldRecalc) { _calcSize(); }

ignoreWindowResize++; currentView.updateSize(true); // isResize=true. will poll getSuggestedViewHeight() and isHeightAuto() ignoreWindowResize--;

return true; // signal success } }

function calcSize() { if (elementVisible()) { _calcSize(); } }

function windowResize(ev) { if ( !ignoreWindowResize && ev.target === window && // so we don't process jqui "resize" events that have bubbled up currentView.start // view has already been rendered ) { if (updateSize(true)) { currentView.trigger('windowResize', _element); } } }

/* Event Fetching/Rendering -----------------------------------------------------------------------------*/ // TODO: going forward, most of this stuff should be directly handled by the view

function refetchEvents() { // can be called as an API method destroyEvents(); // so that events are cleared before user starts waiting for AJAX fetchAndRenderEvents(); }

function renderEvents() { // destroys old events if previously rendered if (elementVisible()) { freezeContentHeight(); currentView.displayEvents(events); unfreezeContentHeight(); } }

function destroyEvents() { freezeContentHeight(); currentView.clearEvents(); unfreezeContentHeight(); }

function getAndRenderEvents() { if (!options.lazyFetching || isFetchNeeded(currentView.start, currentView.end)) { fetchAndRenderEvents(); } else { renderEvents(); } }

function fetchAndRenderEvents() { fetchEvents(currentView.start, currentView.end); // ... will call reportEvents // ... which will call renderEvents }

// called when event data arrives function reportEvents(_events) { events = _events; renderEvents(); }

// called when a single event's data has been changed function reportEventChange() { renderEvents(); }

/* Header Updating -----------------------------------------------------------------------------*/

function updateHeaderTitle() { header.updateTitle(currentView.title); }

function updateTodayButton() { var now = t.getNow(); if (now.isWithin(currentView.intervalStart, currentView.intervalEnd)) { header.disableButton('today'); } else { header.enableButton('today'); } }

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

function select(start, end) { currentView.select( t.buildSelectRange.apply(t, arguments) ); }

function unselect() { // safe to be called before renderView if (currentView) { currentView.unselect(); } }

/* Date -----------------------------------------------------------------------------*/

function prev() { date = currentView.computePrevDate(date); renderView(); }

function next() { date = currentView.computeNextDate(date); renderView(); }

function prevYear() { date.add(-1, 'years'); renderView(); }

function nextYear() { date.add(1, 'years'); renderView(); }

function today() { date = t.getNow(); renderView(); }

function gotoDate(dateInput) { date = t.moment(dateInput); renderView(); }

function incrementDate(delta) { date.add(moment.duration(delta)); renderView(); }

// Forces navigation to a view for the given date. // `viewType` can be a specific view name or a generic one like "week" or "day". function zoomTo(newDate, viewType) { var spec;

viewType = viewType || 'day'; // day is default zoom spec = t.getViewSpec(viewType) || t.getUnitViewSpec(viewType);

date = newDate; renderView(spec ? spec.type : null); }

function getDate() { return date.clone(); }

/* Height "Freezing" -----------------------------------------------------------------------------*/ // TODO: move this into the view

function freezeContentHeight() { content.css({ width: '100%', height: content.height(), overflow: 'hidden' }); }

function unfreezeContentHeight() { content.css({ width: , height: , overflow: }); }

/* Misc -----------------------------------------------------------------------------*/

function getCalendar() { return t; }

function getView() { return currentView; }

function trigger(name, thisObj) { if (options[name]) { return options[name].apply( thisObj || _element, Array.prototype.slice.call(arguments, 2) ); } }

t.initialize(); }

Calendar.defaults = {

titleRangeSeparator: ' \u2014 ', // emphasized dash monthYearFormat: 'MMMM YYYY', // required for en. other languages rely on datepicker computable option

defaultTimedEventDuration: '02:00:00', defaultAllDayEventDuration: { days: 1 }, forceEventDuration: false, nextDayThreshold: '09:00:00', // 9am

// display defaultView: 'month', aspectRatio: 1.35, header: { left: 'title', center: , right: 'today prev,next' }, weekends: true, weekNumbers: false,

weekNumberTitle: 'W', weekNumberCalculation: 'local',

//editable: false,

scrollTime: '06:00:00',

// event ajax lazyFetching: true, startParam: 'start', endParam: 'end', timezoneParam: 'timezone',

timezone: false,

//allDayDefault: undefined,

// locale isRTL: false, buttonText: { prev: "prev", next: "next", prevYear: "prev year", nextYear: "next year", year: 'year', // TODO: locale files need to specify this today: 'today', month: 'month', week: 'week', day: 'day' },

buttonIcons: { prev: 'left-single-arrow', next: 'right-single-arrow', prevYear: 'left-double-arrow', nextYear: 'right-double-arrow' },

// jquery-ui theming theme: false, themeButtonIcons: { prev: 'circle-triangle-w', next: 'circle-triangle-e', prevYear: 'seek-prev', nextYear: 'seek-next' },

//eventResizableFromStart: false, dragOpacity: .75, dragRevertDuration: 500, dragScroll: true,

//selectable: false, unselectAuto: true,

dropAccept: '*',

eventLimit: false, eventLimitText: 'more', eventLimitClick: 'popover', dayPopoverFormat: 'LL',

handleWindowResize: true, windowResizeDelay: 200 // milliseconds before an updateSize happens

};

Calendar.englishDefaults = { // used by lang.js dayPopoverFormat: 'dddd, MMMM D' };

Calendar.rtlDefaults = { // right-to-left defaults header: { // TODO: smarter solution (first/center/last ?) left: 'next,prev today', center: , right: 'title' }, buttonIcons: { prev: 'right-single-arrow', next: 'left-single-arrow', prevYear: 'right-double-arrow', nextYear: 'left-double-arrow' }, themeButtonIcons: { prev: 'circle-triangle-e', next: 'circle-triangle-w', nextYear: 'seek-prev', prevYear: 'seek-next' } };

var langOptionHash = fc.langs = {}; // initialize and expose

// TODO: document the structure and ordering of a FullCalendar lang file // TODO: rename everything "lang" to "locale", like what the moment project did

// Initialize jQuery UI datepicker translations while using some of the translations // Will set this as the default language for datepicker. fc.datepickerLang = function(langCode, dpLangCode, dpOptions) {

// get the FullCalendar internal option hash for this language. create if necessary var fcOptions = langOptionHash[langCode] || (langOptionHash[langCode] = {});

// transfer some simple options from datepicker to fc fcOptions.isRTL = dpOptions.isRTL; fcOptions.weekNumberTitle = dpOptions.weekHeader;

// compute some more complex options from datepicker $.each(dpComputableOptions, function(name, func) { fcOptions[name] = func(dpOptions); });

// is jQuery UI Datepicker is on the page? if ($.datepicker) {

// Register the language data. // FullCalendar and MomentJS use language codes like "pt-br" but Datepicker // does it like "pt-BR" or if it doesn't have the language, maybe just "pt". // Make an alias so the language can be referenced either way. $.datepicker.regional[dpLangCode] = $.datepicker.regional[langCode] = // alias dpOptions;

// Alias 'en' to the default language data. Do this every time. $.datepicker.regional.en = $.datepicker.regional[];

// Set as Datepicker's global defaults. $.datepicker.setDefaults(dpOptions); } };

// Sets FullCalendar-specific translations. Will set the language as the global default. fc.lang = function(langCode, newFcOptions) { var fcOptions; var momOptions;

// get the FullCalendar internal option hash for this language. create if necessary fcOptions = langOptionHash[langCode] || (langOptionHash[langCode] = {});

// provided new options for this language? merge them in if (newFcOptions) { fcOptions = langOptionHash[langCode] = mergeOptions([ fcOptions, newFcOptions ]); }

// compute language options that weren't defined. // always do this. newFcOptions can be undefined when initializing from i18n file, // so no way to tell if this is an initialization or a default-setting. momOptions = getMomentLocaleData(langCode); // will fall back to en $.each(momComputableOptions, function(name, func) { if (fcOptions[name] == null) { fcOptions[name] = func(momOptions, fcOptions); } });

// set it as the default language for FullCalendar Calendar.defaults.lang = langCode; };

// NOTE: can't guarantee any of these computations will run because not every language has datepicker // configs, so make sure there are English fallbacks for these in the defaults file. var dpComputableOptions = {

buttonText: function(dpOptions) { return { // the translations sometimes wrongly contain HTML entities prev: stripHtmlEntities(dpOptions.prevText), next: stripHtmlEntities(dpOptions.nextText), today: stripHtmlEntities(dpOptions.currentText) }; },

// Produces format strings like "MMMM YYYY" -> "September 2014" monthYearFormat: function(dpOptions) { return dpOptions.showMonthAfterYear ? 'YYYY[' + dpOptions.yearSuffix + '] MMMM' : 'MMMM YYYY[' + dpOptions.yearSuffix + ']'; }

};

var momComputableOptions = {

// Produces format strings like "ddd M/D" -> "Fri 9/15" dayOfMonthFormat: function(momOptions, fcOptions) { var format = momOptions.longDateFormat('l'); // for the format like "M/D/YYYY"

// strip the year off the edge, as well as other misc non-whitespace chars format = format.replace(/^Y+[^\w\s]*|[^\w\s]*Y+$/g, );

if (fcOptions.isRTL) { format += ' ddd'; // for RTL, add day-of-week to end } else { format = 'ddd ' + format; // for LTR, add day-of-week to beginning } return format; },

// Produces format strings like "h:mma" -> "6:00pm" mediumTimeFormat: function(momOptions) { // can't be called `timeFormat` because collides with option return momOptions.longDateFormat('LT') .replace(/\s*a$/i, 'a'); // convert AM/PM/am/pm to lowercase. remove any spaces beforehand },

// Produces format strings like "h(:mm)a" -> "6pm" / "6:30pm" smallTimeFormat: function(momOptions) { return momOptions.longDateFormat('LT') .replace(':mm', '(:mm)') .replace(/(\Wmm)$/, '($1)') // like above, but for foreign langs .replace(/\s*a$/i, 'a'); // convert AM/PM/am/pm to lowercase. remove any spaces beforehand },

// Produces format strings like "h(:mm)t" -> "6p" / "6:30p" extraSmallTimeFormat: function(momOptions) { return momOptions.longDateFormat('LT') .replace(':mm', '(:mm)') .replace(/(\Wmm)$/, '($1)') // like above, but for foreign langs .replace(/\s*a$/i, 't'); // convert to AM/PM/am/pm to lowercase one-letter. remove any spaces beforehand },

// Produces format strings like "ha" / "H" -> "6pm" / "18" hourFormat: function(momOptions) { return momOptions.longDateFormat('LT') .replace(':mm', ) .replace(/(\Wmm)$/, ) // like above, but for foreign langs .replace(/\s*a$/i, 'a'); // convert AM/PM/am/pm to lowercase. remove any spaces beforehand },

// Produces format strings like "h:mm" -> "6:30" (with no AM/PM) noMeridiemTimeFormat: function(momOptions) { return momOptions.longDateFormat('LT') .replace(/\s*a$/i, ); // remove trailing AM/PM }

};

// options that should be computed off live calendar options (considers override options) var instanceComputableOptions = { // TODO: best place for this? related to lang?

// Produces format strings for results like "Mo 16" smallDayDateFormat: function(options) { return options.isRTL ? 'D dd' : 'dd D'; },

// Produces format strings for results like "Wk 5" weekFormat: function(options) { return options.isRTL ? 'w[ ' + options.weekNumberTitle + ']' : '[' + options.weekNumberTitle + ' ]w'; },

// Produces format strings for results like "Wk5" smallWeekFormat: function(options) { return options.isRTL ? 'w[' + options.weekNumberTitle + ']' : '[' + options.weekNumberTitle + ']w'; }

};

function populateInstanceComputableOptions(options) { $.each(instanceComputableOptions, function(name, func) { if (options[name] == null) { options[name] = func(options); } }); }

// Returns moment's internal locale data. If doesn't exist, returns English. // Works with moment-pre-2.8 function getMomentLocaleData(langCode) { var func = moment.localeData || moment.langData; return func.call(moment, langCode) || func.call(moment, 'en'); // the newer localData could return null, so fall back to en }

// Initialize English by forcing computation of moment-derived options. // Also, sets it as the default. fc.lang('en', Calendar.englishDefaults);

/* Top toolbar area with buttons and title

*/

// TODO: rename all header-related things to "toolbar"

function Header(calendar, options) { var t = this;

// exports t.render = render; t.removeElement = removeElement; t.updateTitle = updateTitle; t.activateButton = activateButton; t.deactivateButton = deactivateButton; t.disableButton = disableButton; t.enableButton = enableButton; t.getViewsWithButtons = getViewsWithButtons;

// locals var el = $(); var viewsWithButtons = []; var tm;

function render() { var sections = options.header;

tm = options.theme ? 'ui' : 'fc';

if (sections) { el = $("<div class='fc-toolbar'/>") .append(renderSection('left')) .append(renderSection('right')) .append(renderSection('center')) .append('<div class="fc-clear"/>');

return el; } }

function removeElement() { el.remove(); el = $(); }

function renderSection(position) { var sectionEl = $('<div class="fc-' + position + '"/>'); var buttonStr = options.header[position];

if (buttonStr) { $.each(buttonStr.split(' '), function(i) { var groupChildren = $(); var isOnlyButtons = true; var groupEl;

$.each(this.split(','), function(j, buttonName) { var viewSpec; var buttonClick; var overrideText; // text explicitly set by calendar's constructor options. overcomes icons var defaultText; var themeIcon; var normalIcon; var innerHtml; var classes; var button;

if (buttonName == 'title') {

groupChildren = groupChildren.add($('

')); // we always want it to take up height

isOnlyButtons = false; } else { viewSpec = calendar.getViewSpec(buttonName);

if (viewSpec) { buttonClick = function() { calendar.changeView(buttonName); }; viewsWithButtons.push(buttonName); overrideText = viewSpec.buttonTextOverride; defaultText = viewSpec.buttonTextDefault; } else if (calendar[buttonName]) { // a calendar method buttonClick = function() { calendar[buttonName](); }; overrideText = (calendar.overrides.buttonText || {})[buttonName]; defaultText = options.buttonText[buttonName]; // everything else is considered default }

if (buttonClick) {

themeIcon = options.themeButtonIcons[buttonName]; normalIcon = options.buttonIcons[buttonName];

if (overrideText) { innerHtml = htmlEscape(overrideText); } else if (themeIcon && options.theme) { innerHtml = ""; } else if (normalIcon && !options.theme) { innerHtml = ""; } else { innerHtml = htmlEscape(defaultText); }

classes = [ 'fc-' + buttonName + '-button', tm + '-button', tm + '-state-default' ];

button = $( // type="button" so that it doesn't submit a form '<button type="button" class="' + classes.join(' ') + '">' + innerHtml + '</button>' ) .click(function() { // don't process clicks for disabled buttons if (!button.hasClass(tm + '-state-disabled')) {

buttonClick();

// after the click action, if the button becomes the "active" tab, or disabled, // it should never have a hover class, so remove it now. if ( button.hasClass(tm + '-state-active') || button.hasClass(tm + '-state-disabled') ) { button.removeClass(tm + '-state-hover'); } } }) .mousedown(function() { // the *down* effect (mouse pressed in). // only on buttons that are not the "active" tab, or disabled button .not('.' + tm + '-state-active') .not('.' + tm + '-state-disabled') .addClass(tm + '-state-down'); }) .mouseup(function() { // undo the *down* effect button.removeClass(tm + '-state-down'); }) .hover( function() { // the *hover* effect. // only on buttons that are not the "active" tab, or disabled button .not('.' + tm + '-state-active') .not('.' + tm + '-state-disabled') .addClass(tm + '-state-hover'); }, function() { // undo the *hover* effect button .removeClass(tm + '-state-hover') .removeClass(tm + '-state-down'); // if mouseleave happens before mouseup } );

groupChildren = groupChildren.add(button); } } });

if (isOnlyButtons) { groupChildren .first().addClass(tm + '-corner-left').end() .last().addClass(tm + '-corner-right').end(); }

if (groupChildren.length > 1) { groupEl = $('<div/>'); if (isOnlyButtons) { groupEl.addClass('fc-button-group'); } groupEl.append(groupChildren); sectionEl.append(groupEl); } else { sectionEl.append(groupChildren); // 1 or 0 children } }); }

return sectionEl; }

function updateTitle(text) { el.find('h2').text(text); }

function activateButton(buttonName) { el.find('.fc-' + buttonName + '-button') .addClass(tm + '-state-active'); }

function deactivateButton(buttonName) { el.find('.fc-' + buttonName + '-button') .removeClass(tm + '-state-active'); }

function disableButton(buttonName) { el.find('.fc-' + buttonName + '-button') .attr('disabled', 'disabled') .addClass(tm + '-state-disabled'); }

function enableButton(buttonName) { el.find('.fc-' + buttonName + '-button') .removeAttr('disabled') .removeClass(tm + '-state-disabled'); }

function getViewsWithButtons() { return viewsWithButtons; }

}

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

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

var eventGUID = 1;

function EventManager(options) { // assumed to be a calendar var t = this;

// exports t.isFetchNeeded = isFetchNeeded; t.fetchEvents = fetchEvents; t.addEventSource = addEventSource; t.removeEventSource = removeEventSource; t.updateEvent = updateEvent; t.renderEvent = renderEvent; t.removeEvents = removeEvents; t.clientEvents = clientEvents; t.mutateEvent = mutateEvent; t.normalizeEventRange = normalizeEventRange; t.normalizeEventRangeTimes = normalizeEventRangeTimes; t.ensureVisibleEventRange = ensureVisibleEventRange;

// imports var reportEvents = t.reportEvents;

// locals var stickySource = { events: [] }; var sources = [ stickySource ]; var rangeStart, rangeEnd; var currentFetchID = 0; var pendingSourceCnt = 0; var cache = []; // holds events that have already been expanded

$.each( (options.events ? [ options.events ] : []).concat(options.eventSources || []), function(i, sourceInput) { var source = buildEventSource(sourceInput); if (source) { sources.push(source); } } );

/* Fetching -----------------------------------------------------------------------------*/

function isFetchNeeded(start, end) { return !rangeStart || // nothing has been fetched yet? // or, a part of the new range is outside of the old range? (after normalizing) start.clone().stripZone() < rangeStart.clone().stripZone() || end.clone().stripZone() > rangeEnd.clone().stripZone(); }

function fetchEvents(start, end) { rangeStart = start; rangeEnd = end; cache = []; var fetchID = ++currentFetchID; var len = sources.length; pendingSourceCnt = len; for (var i=0; i<len; i++) { fetchEventSource(sources[i], fetchID); } }

function fetchEventSource(source, fetchID) { _fetchEventSource(source, function(eventInputs) { var isArraySource = $.isArray(source.events); var i, eventInput; var abstractEvent;

if (fetchID == currentFetchID) {

if (eventInputs) { for (i = 0; i < eventInputs.length; i++) { eventInput = eventInputs[i];

if (isArraySource) { // array sources have already been convert to Event Objects abstractEvent = eventInput; } else { abstractEvent = buildEventFromInput(eventInput, source); }

if (abstractEvent) { // not false (an invalid event) cache.push.apply( cache, expandEvent(abstractEvent) // add individual expanded events to the cache ); } } }

pendingSourceCnt--; if (!pendingSourceCnt) { reportEvents(cache); } } }); }

function _fetchEventSource(source, callback) { var i; var fetchers = fc.sourceFetchers; var res;

for (i=0; i<fetchers.length; i++) { res = fetchers[i].call( t, // this, the Calendar object source, rangeStart.clone(), rangeEnd.clone(), options.timezone, callback );

if (res === true) { // the fetcher is in charge. made its own async request return; } else if (typeof res == 'object') { // the fetcher returned a new source. process it _fetchEventSource(res, callback); return; } }

// retrieve any outbound GET/POST $.ajax data from the options var customData; if ($.isFunction(source.data)) { // supplied as a function that returns a key/value object customData = source.data(); } else { // supplied as a straight key/value object customData = source.data; }

// use a copy of the custom data so we can modify the parameters // and not affect the passed-in object. var data = $.extend({}, customData || {});

var startParam = firstDefined(source.startParam, options.startParam); var endParam = firstDefined(source.endParam, options.endParam); var timezoneParam = firstDefined(source.timezoneParam, options.timezoneParam);

if (startParam) { data[startParam] = rangeStart.format(); } if (endParam) { data[endParam] = rangeEnd.format(); } if (options.timezone && options.timezone != 'local') { data[timezoneParam] = options.timezone; }

t.pushLoading(); $.ajax($.extend({}, ajaxDefaults, source, { data: data, success: function(events) { events = events || []; var res = applyAll(success, this, arguments); if ($.isArray(res)) { events = res; } callback(events); }, error: function() { applyAll(error, this, arguments); callback(); }, complete: function() { applyAll(complete, this, arguments); t.popLoading(); } })); }else{ callback(); } } }

/* Sources -----------------------------------------------------------------------------*/

function addEventSource(sourceInput) { var source = buildEventSource(sourceInput); if (source) { sources.push(source); pendingSourceCnt++; fetchEventSource(source, currentFetchID); // will eventually call reportEvents } }

function buildEventSource(sourceInput) { // will return undefined if invalid source var normalizers = fc.sourceNormalizers; var source; var i;

if ($.isFunction(sourceInput) || $.isArray(sourceInput)) { source = { events: sourceInput }; } else if (typeof sourceInput === 'string') { source = { url: sourceInput }; } else if (typeof sourceInput === 'object') { source = $.extend({}, sourceInput); // shallow copy }

if (source) {

// TODO: repeat code, same code for event classNames if (source.className) { if (typeof source.className === 'string') { source.className = source.className.split(/\s+/); } // otherwise, assumed to be an array } else { source.className = []; }

// for array sources, we convert to standard Event Objects up front if ($.isArray(source.events)) { source.origArray = source.events; // for removeEventSource source.events = $.map(source.events, function(eventInput) { return buildEventFromInput(eventInput, source); }); }

for (i=0; i<normalizers.length; i++) { normalizers[i].call(t, source); }

return source; } }

function isSourcesEqual(source1, source2) { return source1 && source2 && getSourcePrimitive(source1) == getSourcePrimitive(source2); }

function getSourcePrimitive(source) { return ( (typeof source === 'object') ? // a normalized event source? (source.origArray || source.googleCalendarId || source.url || source.events) : // get the primitive null ) || source; // the given argument *is* the primitive }

/* Manipulation -----------------------------------------------------------------------------*/

// Only ever called from the externally-facing API function updateEvent(event) {

// massage start/end values, even if date string values event.start = t.moment(event.start); if (event.end) { event.end = t.moment(event.end); } else { event.end = null; }

mutateEvent(event, getMiscEventProps(event)); // will handle start/end/allDay normalization reportEvents(cache); // reports event modifications (so we can redraw) }

// Returns a hash of misc event properties that should be copied over to related events. function getMiscEventProps(event) { var props = {};

$.each(event, function(name, val) { if (isMiscEventPropName(name)) { if (val !== undefined && isAtomic(val)) { // a defined non-object props[name] = val; } } });

return props; }

// non-date-related, non-id-related, non-secret function isMiscEventPropName(name) { return !/^_|^(id|allDay|start|end)$/.test(name); }

// returns the expanded events that were created function renderEvent(eventInput, stick) { var abstractEvent = buildEventFromInput(eventInput); var events; var i, event;

if (abstractEvent) { // not false (a valid input) events = expandEvent(abstractEvent);

for (i = 0; i < events.length; i++) { event = events[i];

if (!event.source) { if (stick) { stickySource.events.push(event); event.source = stickySource; } cache.push(event); } }

reportEvents(cache);

return events; }

return []; }

function removeEvents(filter) { var eventID; var i;

if (filter == null) { // null or undefined. remove all events filter = function() { return true; }; // will always match } else if (!$.isFunction(filter)) { // an event ID eventID = filter + ; filter = function(event) { return event._id == eventID; }; }

// Purge event(s) from our local cache cache = $.grep(cache, filter, true); // inverse=true

// Remove events from array sources. // This works because they have been converted to official Event Objects up front. // (and as a result, event._id has been calculated). for (i=0; i<sources.length; i++) { if ($.isArray(sources[i].events)) { sources[i].events = $.grep(sources[i].events, filter, true); } }

reportEvents(cache); }

/* Event Normalization -----------------------------------------------------------------------------*/

// Given a raw object with key/value properties, returns an "abstract" Event object. // An "abstract" event is an event that, if recurring, will not have been expanded yet. // Will return `false` when input is invalid. // `source` is optional function buildEventFromInput(input, source) { var out = {}; var start, end; var allDay;

if (options.eventDataTransform) { input = options.eventDataTransform(input); } if (source && source.eventDataTransform) { input = source.eventDataTransform(input); }

// Copy all properties over to the resulting object. // The special-case properties will be copied over afterwards. $.extend(out, input);

if (source) { out.source = source; }

out._id = input._id || (input.id === undefined ? '_fc' + eventGUID++ : input.id + );

if (input.className) { if (typeof input.className == 'string') { out.className = input.className.split(/\s+/); } else { // assumed to be an array out.className = input.className; } } else { out.className = []; }

start = input.start || input.date; // "date" is an alias for "start" end = input.end;

// parse as a time (Duration) if applicable if (isTimeString(start)) { start = moment.duration(start); } if (isTimeString(end)) { end = moment.duration(end); }

if (input.dow || moment.isDuration(start) || moment.isDuration(end)) {

// the event is "abstract" (recurring) so don't calculate exact start/end dates just yet out.start = start ? moment.duration(start) : null; // will be a Duration or null out.end = end ? moment.duration(end) : null; // will be a Duration or null out._recurring = true; // our internal marker } else {

if (start) { start = t.moment(start); if (!start.isValid()) { return false; } }

if (end) { end = t.moment(end); if (!end.isValid()) { end = null; // let defaults take over } }

allDay = input.allDay; if (allDay === undefined) { // still undefined? fallback to default allDay = firstDefined( source ? source.allDayDefault : undefined, options.allDayDefault ); // still undefined? normalizeEventRange will calculate it }

assignDatesToEvent(start, end, allDay, out); }

return out; }

// Normalizes and assigns the given dates to the given partially-formed event object. // NOTE: mutates the given start/end moments. does not make a copy. function assignDatesToEvent(start, end, allDay, event) { event.start = start; event.end = end; event.allDay = allDay; normalizeEventRange(event); backupEventDates(event); }

// Ensures proper values for allDay/start/end. Accepts an Event object, or a plain object with event-ish properties. // NOTE: Will modify the given object. function normalizeEventRange(props) {

normalizeEventRangeTimes(props);

if (props.end && !props.end.isAfter(props.start)) { props.end = null; }

if (!props.end) { if (options.forceEventDuration) { props.end = t.getDefaultEventEnd(props.allDay, props.start); } else { props.end = null; } } }

// Ensures the allDay property exists and the timeliness of the start/end dates are consistent function normalizeEventRangeTimes(range) { if (range.allDay == null) { range.allDay = !(range.start.hasTime() || (range.end && range.end.hasTime())); }

if (range.allDay) { range.start.stripTime(); if (range.end) { // TODO: consider nextDayThreshold here? If so, will require a lot of testing and adjustment range.end.stripTime(); } } else { if (!range.start.hasTime()) { range.start = t.rezoneDate(range.start); // will assign a 00:00 time } if (range.end && !range.end.hasTime()) { range.end = t.rezoneDate(range.end); // will assign a 00:00 time } } }

// If `range` is a proper range with a start and end, returns the original object. // If missing an end, computes a new range with an end, computing it as if it were an event. // TODO: make this a part of the event -> eventRange system function ensureVisibleEventRange(range) { var allDay;

if (!range.end) {

allDay = range.allDay; // range might be more event-ish than we think if (allDay == null) { allDay = !range.start.hasTime(); }

range = $.extend({}, range); // make a copy, copying over other misc properties range.end = t.getDefaultEventEnd(allDay, range.start); } return range; }

// If the given event is a recurring event, break it down into an array of individual instances. // If not a recurring event, return an array with the single original event. // If given a falsy input (probably because of a failed buildEventFromInput call), returns an empty array. // HACK: can override the recurring window by providing custom rangeStart/rangeEnd (for businessHours). function expandEvent(abstractEvent, _rangeStart, _rangeEnd) { var events = []; var dowHash; var dow; var i; var date; var startTime, endTime; var start, end; var event;

_rangeStart = _rangeStart || rangeStart; _rangeEnd = _rangeEnd || rangeEnd;

if (abstractEvent) { if (abstractEvent._recurring) {

// make a boolean hash as to whether the event occurs on each day-of-week if ((dow = abstractEvent.dow)) { dowHash = {}; for (i = 0; i < dow.length; i++) { dowHash[dow[i]] = true; } }

// iterate through every day in the current range date = _rangeStart.clone().stripTime(); // holds the date of the current day while (date.isBefore(_rangeEnd)) {

if (!dowHash || dowHash[date.day()]) { // if everyday, or this particular day-of-week

startTime = abstractEvent.start; // the stored start and end properties are times (Durations) endTime = abstractEvent.end; // " start = date.clone(); end = null;

if (startTime) { start = start.time(startTime); } if (endTime) { end = date.clone().time(endTime); }

event = $.extend({}, abstractEvent); // make a copy of the original assignDatesToEvent( start, end, !startTime && !endTime, // allDay? event ); events.push(event); }

date.add(1, 'days'); } } else { events.push(abstractEvent); // return the original event. will be a one-item array } }

return events; }

/* Event Modification Math -----------------------------------------------------------------------------------------*/

// Modifies an event and all related events by applying the given properties. // Special date-diffing logic is used for manipulation of dates. // If `props` does not contain start/end dates, the updated values are assumed to be the event's current start/end. // All date comparisons are done against the event's pristine _start and _end dates. // Returns an object with delta information and a function to undo all operations. // For making computations in a granularity greater than day/time, specify largeUnit. // NOTE: The given `newProps` might be mutated for normalization purposes. function mutateEvent(event, newProps, largeUnit) { var miscProps = {}; var oldProps; var clearEnd; var startDelta; var endDelta; var durationDelta; var undoFunc;

// diffs the dates in the appropriate way, returning a duration function diffDates(date1, date0) { // date1 - date0 if (largeUnit) { return diffByUnit(date1, date0, largeUnit); } else if (newProps.allDay) { return diffDay(date1, date0); } else { return diffDayTime(date1, date0); } }

newProps = newProps || {};

// normalize new date-related properties if (!newProps.start) { newProps.start = event.start.clone(); } if (newProps.end === undefined) { newProps.end = event.end ? event.end.clone() : null; } if (newProps.allDay == null) { // is null or undefined? newProps.allDay = event.allDay; } normalizeEventRange(newProps);

// create normalized versions of the original props to compare against // need a real end value, for diffing oldProps = { start: event._start.clone(), end: event._end ? event._end.clone() : t.getDefaultEventEnd(event._allDay, event._start), allDay: newProps.allDay // normalize the dates in the same regard as the new properties }; normalizeEventRange(oldProps);

// need to clear the end date if explicitly changed to null clearEnd = event._end !== null && newProps.end === null;

// compute the delta for moving the start date startDelta = diffDates(newProps.start, oldProps.start);

// compute the delta for moving the end date if (newProps.end) { endDelta = diffDates(newProps.end, oldProps.end); durationDelta = endDelta.subtract(startDelta); } else { durationDelta = null; }

// gather all non-date-related properties $.each(newProps, function(name, val) { if (isMiscEventPropName(name)) { if (val !== undefined) { miscProps[name] = val; } } });

// apply the operations to the event and all related events undoFunc = mutateEvents( clientEvents(event._id), // get events with this ID clearEnd, newProps.allDay, startDelta, durationDelta, miscProps );

return { dateDelta: startDelta, durationDelta: durationDelta, undo: undoFunc }; }

// Modifies an array of events in the following ways (operations are in order): // - clear the event's `end` // - convert the event to allDay // - add `dateDelta` to the start and end // - add `durationDelta` to the event's duration // - assign `miscProps` to the event // // Returns a function that can be called to undo all the operations. // // TODO: don't use so many closures. possible memory issues when lots of events with same ID. // function mutateEvents(events, clearEnd, allDay, dateDelta, durationDelta, miscProps) { var isAmbigTimezone = t.getIsAmbigTimezone(); var undoFunctions = [];

// normalize zero-length deltas to be null if (dateDelta && !dateDelta.valueOf()) { dateDelta = null; } if (durationDelta && !durationDelta.valueOf()) { durationDelta = null; }

$.each(events, function(i, event) { var oldProps; var newProps;

// build an object holding all the old values, both date-related and misc. // for the undo function. oldProps = { start: event.start.clone(), end: event.end ? event.end.clone() : null, allDay: event.allDay }; $.each(miscProps, function(name) { oldProps[name] = event[name]; });

// new date-related properties. work off the original date snapshot. // ok to use references because they will be thrown away when backupEventDates is called. newProps = { start: event._start, end: event._end, allDay: allDay // normalize the dates in the same regard as the new properties }; normalizeEventRange(newProps); // massages start/end/allDay

// strip or ensure the end date if (clearEnd) { newProps.end = null; } else if (durationDelta && !newProps.end) { // the duration translation requires an end date newProps.end = t.getDefaultEventEnd(newProps.allDay, newProps.start); }

if (dateDelta) { newProps.start.add(dateDelta); if (newProps.end) { newProps.end.add(dateDelta); } }

if (durationDelta) { newProps.end.add(durationDelta); // end already ensured above }

// if the dates have changed, and we know it is impossible to recompute the // timezone offsets, strip the zone. if ( isAmbigTimezone && !newProps.allDay && (dateDelta || durationDelta) ) { newProps.start.stripZone(); if (newProps.end) { newProps.end.stripZone(); } }

$.extend(event, miscProps, newProps); // copy over misc props, then date-related props backupEventDates(event); // regenerate internal _start/_end/_allDay

undoFunctions.push(function() { $.extend(event, oldProps); backupEventDates(event); // regenerate internal _start/_end/_allDay }); });

return function() { for (var i = 0; i < undoFunctions.length; i++) { undoFunctions[i](); } }; }

/* Business Hours -----------------------------------------------------------------------------------------*/

t.getBusinessHoursEvents = getBusinessHoursEvents;

// Returns an array of events as to when the business hours occur in the given view. // Abuse of our event system :( function getBusinessHoursEvents(wholeDay) { var optionVal = options.businessHours; var defaultVal = { className: 'fc-nonbusiness', start: '09:00', end: '17:00', dow: [ 1, 2, 3, 4, 5 ], // monday - friday rendering: 'inverse-background' }; var view = t.getView(); var eventInput;

if (optionVal) { // `true` (which means "use the defaults") or an override object eventInput = $.extend( {}, // copy to a new object in either case defaultVal, typeof optionVal === 'object' ? optionVal : {} // override the defaults ); }

if (eventInput) {

// if a whole-day series is requested, clear the start/end times if (wholeDay) { eventInput.start = null; eventInput.end = null; }

return expandEvent( buildEventFromInput(eventInput), view.start, view.end ); }

return []; }

/* Overlapping / Constraining -----------------------------------------------------------------------------------------*/

t.isEventRangeAllowed = isEventRangeAllowed; t.isSelectionRangeAllowed = isSelectionRangeAllowed; t.isExternalDropRangeAllowed = isExternalDropRangeAllowed;

function isEventRangeAllowed(range, event) { var source = event.source || {}; var constraint = firstDefined( event.constraint, source.constraint, options.eventConstraint ); var overlap = firstDefined( event.overlap, source.overlap, options.eventOverlap );

range = ensureVisibleEventRange(range); // ensure a proper range with an end for isRangeAllowed

return isRangeAllowed(range, constraint, overlap, event); }

function isSelectionRangeAllowed(range) { return isRangeAllowed(range, options.selectConstraint, options.selectOverlap); }

// when `eventProps` is defined, consider this an event. // `eventProps` can contain misc non-date-related info about the event. function isExternalDropRangeAllowed(range, eventProps) { var eventInput; var event;

// note: very similar logic is in View's reportExternalDrop if (eventProps) { eventInput = $.extend({}, eventProps, range); event = expandEvent(buildEventFromInput(eventInput))[0]; }

if (event) { return isEventRangeAllowed(range, event); } else { // treat it as a selection

range = ensureVisibleEventRange(range); // ensure a proper range with an end for isSelectionRangeAllowed

return isSelectionRangeAllowed(range); } }

// Returns true if the given range (caused by an event drop/resize or a selection) is allowed to exist // according to the constraint/overlap settings. // `event` is not required if checking a selection. function isRangeAllowed(range, constraint, overlap, event) { var constraintEvents; var anyContainment; var peerEvents; var i, peerEvent; var peerOverlap;

// normalize. fyi, we're normalizing in too many places :( range = $.extend({}, range); // copy all properties in case there are misc non-date properties range.start = range.start.clone().stripZone(); range.end = range.end.clone().stripZone();

// the range must be fully contained by at least one of produced constraint events if (constraint != null) {

// not treated as an event! intermediate data structure // TODO: use ranges in the future constraintEvents = constraintToEvents(constraint);

anyContainment = false; for (i = 0; i < constraintEvents.length; i++) { if (eventContainsRange(constraintEvents[i], range)) { anyContainment = true; break; } }

if (!anyContainment) { return false; } }

peerEvents = t.getPeerEvents(event, range);

for (i = 0; i < peerEvents.length; i++) { peerEvent = peerEvents[i];

// there needs to be an actual intersection before disallowing anything if (eventIntersectsRange(peerEvent, range)) {

// evaluate overlap for the given range and short-circuit if necessary if (overlap === false) { return false; } // if the event's overlap is a test function, pass the peer event in question as the first param else if (typeof overlap === 'function' && !overlap(peerEvent, event)) { return false; }

// if we are computing if the given range is allowable for an event, consider the other event's // EventObject-specific or Source-specific `overlap` property if (event) { peerOverlap = firstDefined( peerEvent.overlap, (peerEvent.source || {}).overlap // we already considered the global `eventOverlap` ); if (peerOverlap === false) { return false; } // if the peer event's overlap is a test function, pass the subject event as the first param if (typeof peerOverlap === 'function' && !peerOverlap(event, peerEvent)) { return false; } } } }

return true; }

// Given an event input from the API, produces an array of event objects. Possible event inputs: // 'businessHours' // An event ID (number or string) // An object with specific start/end dates or a recurring event (like what businessHours accepts) function constraintToEvents(constraintInput) {

if (constraintInput === 'businessHours') { return getBusinessHoursEvents(); }

if (typeof constraintInput === 'object') { return expandEvent(buildEventFromInput(constraintInput)); }

return clientEvents(constraintInput); // probably an ID }

// Does the event's date range fully contain the given range? // start/end already assumed to have stripped zones :( function eventContainsRange(event, range) { var eventStart = event.start.clone().stripZone(); var eventEnd = t.getEventEnd(event).stripZone();

return range.start >= eventStart && range.end <= eventEnd; }

// Does the event's date range intersect with the given range? // start/end already assumed to have stripped zones :( function eventIntersectsRange(event, range) { var eventStart = event.start.clone().stripZone(); var eventEnd = t.getEventEnd(event).stripZone();

return range.start < eventEnd && range.end > eventStart; }

t.getEventCache = function() { return cache; };

}

// Returns a list of events that the given event should be compared against when being considered for a move to // the specified range. Attached to the Calendar's prototype because EventManager is a mixin for a Calendar. Calendar.prototype.getPeerEvents = function(event, range) { var cache = this.getEventCache(); var peerEvents = []; var i, otherEvent;

for (i = 0; i < cache.length; i++) { otherEvent = cache[i]; if ( !event || event._id !== otherEvent._id // don't compare the event to itself or other related [repeating] events ) { peerEvents.push(otherEvent); } }

return peerEvents; };

// updates the "backup" properties, which are preserved in order to compute diffs later on. function backupEventDates(event) { event._allDay = event.allDay; event._start = event.start.clone(); event._end = event.end ? event.end.clone() : null; }

/* An abstract class for the "basic" views, as well as month view. Renders one or more rows of day cells.

*/

// It is a manager for a DayGrid subcomponent, which does most of the heavy lifting. // It is responsible for managing width/height.

var BasicView = View.extend({

dayGrid: null, // the main subcomponent that does most of the heavy lifting

dayNumbersVisible: false, // display day numbers on each day cell? weekNumbersVisible: false, // display week numbers along the side?

weekNumberWidth: null, // width of all the week-number cells running down the side

headRowEl: null, // the fake row element of the day-of-week header

initialize: function() { this.dayGrid = new DayGrid(this); this.coordMap = this.dayGrid.coordMap; // the view's date-to-cell mapping is identical to the subcomponent's },

// Sets the display range and computes all necessary dates setRange: function(range) { View.prototype.setRange.call(this, range); // call the super-method

this.dayGrid.breakOnWeeks = /year|month|week/.test(this.intervalUnit); // do before setRange this.dayGrid.setRange(range); },

// Compute the value to feed into setRange. Overrides superclass. computeRange: function(date) { var range = View.prototype.computeRange.call(this, date); // get value from the super-method

// year and month views should be aligned with weeks. this is already done for week if (/year|month/.test(range.intervalUnit)) { range.start.startOf('week'); range.start = this.skipHiddenDays(range.start);

// make end-of-week if not already if (range.end.weekday()) { range.end.add(1, 'week').startOf('week'); range.end = this.skipHiddenDays(range.end, -1, true); // exclusively move backwards } }

return range; },

// Renders the view into `this.el`, which should already be assigned renderDates: function() {

this.dayNumbersVisible = this.dayGrid.rowCnt > 1; // TODO: make grid responsible this.weekNumbersVisible = this.opt('weekNumbers'); this.dayGrid.numbersVisible = this.dayNumbersVisible || this.weekNumbersVisible;

this.el.addClass('fc-basic-view').html(this.renderHtml());

this.headRowEl = this.el.find('thead .fc-row');

this.scrollerEl = this.el.find('.fc-day-grid-container'); this.dayGrid.coordMap.containerEl = this.scrollerEl; // constrain clicks/etc to the dimensions of the scroller

this.dayGrid.setElement(this.el.find('.fc-day-grid')); this.dayGrid.renderDates(this.hasRigidRows()); },

// Unrenders the content of the view. Since we haven't separated skeleton rendering from date rendering, // always completely kill the dayGrid's rendering. unrenderDates: function() { this.dayGrid.unrenderDates(); this.dayGrid.removeElement(); },

renderBusinessHours: function() { this.dayGrid.renderBusinessHours(); },

// Builds the HTML skeleton for the view. // The day-grid component will render inside of a container defined by this HTML. renderHtml: function() { return +

'' + '<thead class="fc-head">' + '' + '' + '' + '</thead>' + '<tbody class="fc-body">' + '' + '' + '' + '</tbody>' + '

' +

this.dayGrid.headHtml() + // render the day-of-week headers

'

' + '

' +

'<div class="fc-day-grid"/>' +

'

' + '

';

},

// Generates the HTML that will go before the day-of week header cells. // Queried by the DayGrid subcomponent when generating rows. Ordering depends on isRTL. headIntroHtml: function() { if (this.weekNumbersVisible) { return + '<th class="fc-week-number ' + this.widgetHeaderClass + '" ' + this.weekNumberStyleAttr() + '>' + '' + // needed for matchCellWidths htmlEscape(this.opt('weekNumberTitle')) + '' + '</th>'; } },

// Generates the HTML that will go before content-skeleton cells that display the day/week numbers. // Queried by the DayGrid subcomponent. Ordering depends on isRTL. numberIntroHtml: function(row) { if (this.weekNumbersVisible) { return + '<td class="fc-week-number" ' + this.weekNumberStyleAttr() + '>' + '' + // needed for matchCellWidths this.dayGrid.getCell(row, 0).start.format('w') + '' + '</td>'; } },

// Generates the HTML that goes before the day bg cells for each day-row. // Queried by the DayGrid subcomponent. Ordering depends on isRTL. dayIntroHtml: function() { if (this.weekNumbersVisible) { return '<td class="fc-week-number ' + this.widgetContentClass + '" ' + this.weekNumberStyleAttr() + '></td>'; } },

// Generates the HTML that goes before every other type of row generated by DayGrid. Ordering depends on isRTL. // Affects helper-skeleton and highlight-skeleton rows. introHtml: function() { if (this.weekNumbersVisible) { return '<td class="fc-week-number" ' + this.weekNumberStyleAttr() + '></td>'; } },

// Generates the HTML for the <td>s of the "number" row in the DayGrid's content skeleton. // The number row will only exist if either day numbers or week numbers are turned on. numberCellHtml: function(cell) { var date = cell.start; var classes;

if (!this.dayNumbersVisible) { // if there are week numbers but not day numbers return '<td/>'; // will create an empty space above events :( }

classes = this.dayGrid.getDayClasses(date); classes.unshift('fc-day-number');

return + '<td class="' + classes.join(' ') + '" data-date="' + date.format() + '">' + date.date() + '</td>'; },

// Generates an HTML attribute string for setting the width of the week number column, if it is known weekNumberStyleAttr: function() { if (this.weekNumberWidth !== null) { return 'style="width:' + this.weekNumberWidth + 'px"'; } return ; },

// Determines whether each row should have a constant height hasRigidRows: function() { var eventLimit = this.opt('eventLimit'); return eventLimit && typeof eventLimit !== 'number'; },

/* Dimensions ------------------------------------------------------------------------------------------------------------------*/

// Refreshes the horizontal dimensions of the view updateWidth: function() { if (this.weekNumbersVisible) { // Make sure all week number cells running down the side have the same width. // Record the width for cells created later. this.weekNumberWidth = matchCellWidths( this.el.find('.fc-week-number') ); } },

// Adjusts the vertical dimensions of the view to the specified values setHeight: function(totalHeight, isAuto) { var eventLimit = this.opt('eventLimit'); var scrollerHeight;

// reset all heights to be natural unsetScroller(this.scrollerEl); uncompensateScroll(this.headRowEl);

this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed

// is the event limit a constant level number? if (eventLimit && typeof eventLimit === 'number') { this.dayGrid.limitRows(eventLimit); // limit the levels first so the height can redistribute after }

scrollerHeight = this.computeScrollerHeight(totalHeight); this.setGridHeight(scrollerHeight, isAuto);

// is the event limit dynamically calculated? if (eventLimit && typeof eventLimit !== 'number') { this.dayGrid.limitRows(eventLimit); // limit the levels after the grid's row heights have been set }

if (!isAuto && setPotentialScroller(this.scrollerEl, scrollerHeight)) { // using scrollbars?

compensateScroll(this.headRowEl, getScrollbarWidths(this.scrollerEl));

// doing the scrollbar compensation might have created text overflow which created more height. redo scrollerHeight = this.computeScrollerHeight(totalHeight); this.scrollerEl.height(scrollerHeight); } },

// Sets the height of just the DayGrid component in this view setGridHeight: function(height, isAuto) { if (isAuto) { undistributeHeight(this.dayGrid.rowEls); // let the rows be their natural height with no expanding } else { distributeHeight(this.dayGrid.rowEls, height, true); // true = compensate for height-hogging rows } },

/* Events ------------------------------------------------------------------------------------------------------------------*/

// Renders the given events onto the view and populates the segments array renderEvents: function(events) { this.dayGrid.renderEvents(events);

this.updateHeight(); // must compensate for events that overflow the row },

// Retrieves all segment objects that are rendered in the view getEventSegs: function() { return this.dayGrid.getEventSegs(); },

// Unrenders all event elements and clears internal segment data unrenderEvents: function() { this.dayGrid.unrenderEvents();

// we DON'T need to call updateHeight() because: // A) a renderEvents() call always happens after this, which will eventually call updateHeight() // B) in IE8, this causes a flash whenever events are rerendered },

/* Dragging (for both events and external elements) ------------------------------------------------------------------------------------------------------------------*/

// A returned value of `true` signals that a mock "helper" event has been rendered. renderDrag: function(dropLocation, seg) { return this.dayGrid.renderDrag(dropLocation, seg); },

unrenderDrag: function() { this.dayGrid.unrenderDrag(); },

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

// Renders a visual indication of a selection renderSelection: function(range) { this.dayGrid.renderSelection(range); },

// Unrenders a visual indications of a selection unrenderSelection: function() { this.dayGrid.unrenderSelection(); }

});

/* A month view with day cells running in rows (one-per-week) and columns

*/

var MonthView = BasicView.extend({

// Produces information about what range to display computeRange: function(date) { var range = BasicView.prototype.computeRange.call(this, date); // get value from super-method var rowCnt;

// ensure 6 weeks if (this.isFixedWeeks()) { rowCnt = Math.ceil(range.end.diff(range.start, 'weeks', true)); // could be partial weeks due to hiddenDays range.end.add(6 - rowCnt, 'weeks'); }

return range; },

// Overrides the default BasicView behavior to have special multi-week auto-height logic setGridHeight: function(height, isAuto) {

isAuto = isAuto || this.opt('weekMode') === 'variable'; // LEGACY: weekMode is deprecated

// if auto, make the height of each row the height that it would be if there were 6 weeks if (isAuto) { height *= this.rowCnt / 6; }

distributeHeight(this.dayGrid.rowEls, height, !isAuto); // if auto, don't compensate for height-hogging rows },

isFixedWeeks: function() { var weekMode = this.opt('weekMode'); // LEGACY: weekMode is deprecated if (weekMode) { return weekMode === 'fixed'; // if any other type of weekMode, assume NOT fixed }

return this.opt('fixedWeekCount'); }

});

fcViews.basic = { 'class': BasicView };

fcViews.basicDay = { type: 'basic', duration: { days: 1 } };

fcViews.basicWeek = { type: 'basic', duration: { weeks: 1 } };

fcViews.month = { 'class': MonthView, duration: { months: 1 }, // important for prev/next defaults: { fixedWeekCount: true } };

/* An abstract class for all agenda-related views. Displays one more columns with time slots running vertically.

*/

// Is a manager for the TimeGrid subcomponent and possibly the DayGrid subcomponent (if allDaySlot is on). // Responsible for managing width/height.

var AgendaView = View.extend({

timeGrid: null, // the main time-grid subcomponent of this view dayGrid: null, // the "all-day" subcomponent. if all-day is turned off, this will be null

axisWidth: null, // the width of the time axis running down the side

noScrollRowEls: null, // set of fake row elements that must compensate when scrollerEl has scrollbars

// when the time-grid isn't tall enough to occupy the given height, we render an

underneath

bottomRuleEl: null, bottomRuleHeight: null,

initialize: function() { this.timeGrid = new TimeGrid(this);

if (this.opt('allDaySlot')) { // should we display the "all-day" area? this.dayGrid = new DayGrid(this); // the all-day subcomponent of this view

// the coordinate grid will be a combination of both subcomponents' grids this.coordMap = new ComboCoordMap([ this.dayGrid.coordMap, this.timeGrid.coordMap ]); } else { this.coordMap = this.timeGrid.coordMap; } },

/* Rendering ------------------------------------------------------------------------------------------------------------------*/

// Sets the display range and computes all necessary dates setRange: function(range) { View.prototype.setRange.call(this, range); // call the super-method

this.timeGrid.setRange(range); if (this.dayGrid) { this.dayGrid.setRange(range); } },

// Renders the view into `this.el`, which has already been assigned renderDates: function() {

this.el.addClass('fc-agenda-view').html(this.renderHtml());

// the element that wraps the time-grid that will probably scroll this.scrollerEl = this.el.find('.fc-time-grid-container'); this.timeGrid.coordMap.containerEl = this.scrollerEl; // don't accept clicks/etc outside of this

this.timeGrid.setElement(this.el.find('.fc-time-grid')); this.timeGrid.renderDates();

// the

that sometimes displays under the time-grid this.bottomRuleEl = $('

')

.appendTo(this.timeGrid.el); // inject it into the time-grid

if (this.dayGrid) { this.dayGrid.setElement(this.el.find('.fc-day-grid')); this.dayGrid.renderDates();

// have the day-grid extend it's coordinate area over the

dividing the two grids

this.dayGrid.bottomCoordPadding = this.dayGrid.el.next('hr').outerHeight(); }

this.noScrollRowEls = this.el.find('.fc-row:not(.fc-scroller *)'); // fake rows not within the scroller },

// Unrenders the content of the view. Since we haven't separated skeleton rendering from date rendering, // always completely kill each grid's rendering. unrenderDates: function() { this.timeGrid.unrenderDates(); this.timeGrid.removeElement();

if (this.dayGrid) { this.dayGrid.unrenderDates(); this.dayGrid.removeElement(); } },

renderBusinessHours: function() { this.timeGrid.renderBusinessHours();

if (this.dayGrid) { this.dayGrid.renderBusinessHours(); } },

// Builds the HTML skeleton for the view. // The day-grid and time-grid components will render inside containers defined by this HTML. renderHtml: function() { return +

'' + '<thead class="fc-head">' + '' + '' + '' + '</thead>' + '<tbody class="fc-body">' + '' + '' + '' + '</tbody>' + '

' +

this.timeGrid.headHtml() + // render the day-of-week headers

'

' +

(this.dayGrid ? '<div class="fc-day-grid"/>' +

'

' :

) +

'

' +

'<div class="fc-time-grid"/>' +

'

' + '

';

},

// Generates the HTML that will go before the day-of week header cells. // Queried by the TimeGrid subcomponent when generating rows. Ordering depends on isRTL. headIntroHtml: function() { var date; var weekText;

if (this.opt('weekNumbers')) { date = this.timeGrid.getCell(0).start; weekText = date.format(this.opt('smallWeekFormat'));

return + '<th class="fc-axis fc-week-number ' + this.widgetHeaderClass + '" ' + this.axisStyleAttr() + '>' + '' + // needed for matchCellWidths htmlEscape(weekText) + '' + '</th>'; } else { return '<th class="fc-axis ' + this.widgetHeaderClass + '" ' + this.axisStyleAttr() + '></th>'; } },

// Generates the HTML that goes before the all-day cells. // Queried by the DayGrid subcomponent when generating rows. Ordering depends on isRTL. dayIntroHtml: function() { return + '<td class="fc-axis ' + this.widgetContentClass + '" ' + this.axisStyleAttr() + '>' + '' + // needed for matchCellWidths (this.opt('allDayHtml') || htmlEscape(this.opt('allDayText'))) + '' + '</td>'; },

// Generates the HTML that goes before the bg of the TimeGrid slot area. Long vertical column. slotBgIntroHtml: function() { return '<td class="fc-axis ' + this.widgetContentClass + '" ' + this.axisStyleAttr() + '></td>'; },

// Generates the HTML that goes before all other types of cells. // Affects content-skeleton, helper-skeleton, highlight-skeleton for both the time-grid and day-grid. // Queried by the TimeGrid and DayGrid subcomponents when generating rows. Ordering depends on isRTL. introHtml: function() { return '<td class="fc-axis" ' + this.axisStyleAttr() + '></td>'; },

// Generates an HTML attribute string for setting the width of the axis, if it is known axisStyleAttr: function() { if (this.axisWidth !== null) { return 'style="width:' + this.axisWidth + 'px"'; } return ; },

/* Dimensions ------------------------------------------------------------------------------------------------------------------*/

updateSize: function(isResize) { this.timeGrid.updateSize(isResize);

View.prototype.updateSize.call(this, isResize); // call the super-method },

// Refreshes the horizontal dimensions of the view updateWidth: function() { // make all axis cells line up, and record the width so newly created axis cells will have it this.axisWidth = matchCellWidths(this.el.find('.fc-axis')); },

// Adjusts the vertical dimensions of the view to the specified values setHeight: function(totalHeight, isAuto) { var eventLimit; var scrollerHeight;

if (this.bottomRuleHeight === null) { // calculate the height of the rule the very first time this.bottomRuleHeight = this.bottomRuleEl.outerHeight(); }

this.bottomRuleEl.hide(); // .show() will be called later if this

is necessary

// reset all dimensions back to the original state this.scrollerEl.css('overflow', ); unsetScroller(this.scrollerEl); uncompensateScroll(this.noScrollRowEls);

// limit number of events in the all-day area if (this.dayGrid) { this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed

eventLimit = this.opt('eventLimit'); if (eventLimit && typeof eventLimit !== 'number') { eventLimit = AGENDA_ALL_DAY_EVENT_LIMIT; // make sure "auto" goes to a real number } if (eventLimit) { this.dayGrid.limitRows(eventLimit); } }

if (!isAuto) { // should we force dimensions of the scroll container, or let the contents be natural height?

scrollerHeight = this.computeScrollerHeight(totalHeight); if (setPotentialScroller(this.scrollerEl, scrollerHeight)) { // using scrollbars?

// make the all-day and header rows lines up compensateScroll(this.noScrollRowEls, getScrollbarWidths(this.scrollerEl));

// the scrollbar compensation might have changed text flow, which might affect height, so recalculate // and reapply the desired height to the scroller. scrollerHeight = this.computeScrollerHeight(totalHeight); this.scrollerEl.height(scrollerHeight); } else { // no scrollbars // still, force a height and display the bottom rule (marks the end of day)

this.scrollerEl.height(scrollerHeight).css('overflow', 'hidden'); // in case

goes outside

this.bottomRuleEl.show(); } } },

// Computes the initial pre-configured scroll state prior to allowing the user to change it computeInitialScroll: function() { var scrollTime = moment.duration(this.opt('scrollTime')); var top = this.timeGrid.computeTimeTop(scrollTime);

// zoom can give weird floating-point values. rather scroll a little bit further top = Math.ceil(top);

if (top) { top++; // to overcome top border that slots beyond the first have. looks better }

return top; },

/* Events ------------------------------------------------------------------------------------------------------------------*/

// Renders events onto the view and populates the View's segment array renderEvents: function(events) { var dayEvents = []; var timedEvents = []; var daySegs = []; var timedSegs; var i;

// separate the events into all-day and timed for (i = 0; i < events.length; i++) { if (events[i].allDay) { dayEvents.push(events[i]); } else { timedEvents.push(events[i]); } }

// render the events in the subcomponents timedSegs = this.timeGrid.renderEvents(timedEvents); if (this.dayGrid) { daySegs = this.dayGrid.renderEvents(dayEvents); }

// the all-day area is flexible and might have a lot of events, so shift the height this.updateHeight(); },

// Retrieves all segment objects that are rendered in the view getEventSegs: function() { return this.timeGrid.getEventSegs().concat( this.dayGrid ? this.dayGrid.getEventSegs() : [] ); },

// Unrenders all event elements and clears internal segment data unrenderEvents: function() {

// unrender the events in the subcomponents this.timeGrid.unrenderEvents(); if (this.dayGrid) { this.dayGrid.unrenderEvents(); }

// we DON'T need to call updateHeight() because: // A) a renderEvents() call always happens after this, which will eventually call updateHeight() // B) in IE8, this causes a flash whenever events are rerendered },

/* Dragging (for events and external elements) ------------------------------------------------------------------------------------------------------------------*/

// A returned value of `true` signals that a mock "helper" event has been rendered. renderDrag: function(dropLocation, seg) { if (dropLocation.start.hasTime()) { return this.timeGrid.renderDrag(dropLocation, seg); } else if (this.dayGrid) { return this.dayGrid.renderDrag(dropLocation, seg); } },

unrenderDrag: function() { this.timeGrid.unrenderDrag(); if (this.dayGrid) { this.dayGrid.unrenderDrag(); } },

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

// Renders a visual indication of a selection renderSelection: function(range) { if (range.start.hasTime() || range.end.hasTime()) { this.timeGrid.renderSelection(range); } else if (this.dayGrid) { this.dayGrid.renderSelection(range); } },

// Unrenders a visual indications of a selection unrenderSelection: function() { this.timeGrid.unrenderSelection(); if (this.dayGrid) { this.dayGrid.unrenderSelection(); } }

});

var AGENDA_ALL_DAY_EVENT_LIMIT = 5;

fcViews.agenda = { 'class': AgendaView, defaults: { allDaySlot: true, allDayText: 'all-day', slotDuration: '00:30:00', minTime: '00:00:00', maxTime: '24:00:00', slotEventOverlap: true // a bad name. confused with overlap/constraint system } };

fcViews.agendaDay = { type: 'agenda', duration: { days: 1 } };

fcViews.agendaWeek = { type: 'agenda', duration: { weeks: 1 } };

return fc; // export for Node/CommonJS });