Użytkownik:Dorożyński Janusz/jquery.countdown.js
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/* http://keith-wood.name/countdown.html Countdown for jQuery v2.0.0. Written by Keith Wood (kbwood{at}iinet.com.au) January 2008. Available under the MIT (https://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt) license. Please attribute the author if you use it. */ (function($) { // Hide scope, no $ conflict var pluginName = 'countdown'; var Y = 0; // Years var O = 1; // Months var W = 2; // Weeks var D = 3; // Days var H = 4; // Hours var M = 5; // Minutes var S = 6; // Seconds /** Create the countdown plugin. <p>Sets an element to show the time remaining until a given instant.</p> <p>Expects HTML like:</p> <pre><div></div></pre> <p>Provide inline configuration like:</p> <pre><div data-countdown="name: 'value'"></div></pre> @module Countdown @augments JQPlugin @example $(selector).countdown({until: +300}) */ $.JQPlugin.createPlugin({ /** The name of the plugin. */ name: pluginName, /** Countdown expiry callback. Triggered when the countdown expires. @callback expiryCallback */ /** Countdown server synchronisation callback. Triggered when the countdown is initialised. @callback serverSyncCallback @return {Date} The current date/time on the server as expressed in the local timezone. */ /** Countdown tick callback. Triggered on every <code>tickInterval</code> ticks of the countdown. @callback tickCallback @param periods {number[]} The breakdown by period (years, months, weeks, days, hours, minutes, seconds) of the time remaining/passed. */ /** Countdown which labels callback. Triggered when the countdown is being display to determine which set of labels (<code>labels</code>, <code>labels1</code>, ...) are to be used for the current period value. @callback whichLabelsCallback @param num {number} The current period value. @return {number} The suffix for the label set to use. */ /** Default settings for the plugin. @property until {Date|number|string} The date/time to count down to, or number of seconds offset from now, or string of amounts and units for offset(s) from now: 'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds. @example until: new Date(2013, 12-1, 25, 13, 30) until: +300 until: '+1O -2D' @property [since] {Date|number|string} The date/time to count up from, or number of seconds offset from now, or string for unit offset(s): 'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds. @example since: new Date(2013, 1-1, 1) since: -300 since: '-1O +2D' @property [timezone=null] {number} The timezone (hours or minutes from GMT) for the target times, or null for client local timezone. @example timezone: +10 timezone: -60 @property [serverSync=null] {serverSyncCallback} A function to retrieve the current server time for synchronisation. @property [format='dHMS'] {string} The format for display - upper case for always, lower case only if non-zero, 'Y' years, 'O' months, 'W' weeks, 'D' days, 'H' hours, 'M' minutes, 'S' seconds. @property [layout=''] {string} Build your own layout for the countdown. @example layout: '{d<}{dn} {dl}{d>} {hnn}:{mnn}:{snn}' @property [compact=false] {boolean} True to display in a compact format, false for an expanded one. @property [padZeroes=false] {boolean} True to add leading zeroes @property [significant=0] {number} The number of periods with non-zero values to show, zero for all. @property [description=''] {string} The description displayed for the countdown. @property [expiryUrl=''] {string} A URL to load upon expiry, replacing the current page. @property [expiryText=''] {string} Text to display upon expiry, replacing the countdown. This may be HTML. @property [alwaysExpire=false] {boolean} True to trigger <code>onExpiry</code> even if target time has passed. @property [onExpiry=null] {expiryCallback} Callback when the countdown expires - receives no parameters and <code>this</code> is the containing division. @example onExpiry: function() { ... } @property [onTick=null] {tickCallback} Callback when the countdown is updated - receives <code>number[7]</code> being the breakdown by period (years, months, weeks, days, hours, minutes, seconds - based on <code>format</code>) and <code>this</code> is the containing division. @example onTick: function(periods) { var secs = $.countdown.periodsToSeconds(periods); if (secs < 300) { // Last five minutes ... } } @property [tickInterval=1] {number} The interval (seconds) between <code>onTick</code> callbacks. */ defaultOptions: { until: null, since: null, timezone: null, serverSync: null, format: 'dHMS', layout: '', compact: false, padZeroes: false, significant: 0, description: '', expiryUrl: '', expiryText: '', alwaysExpire: false, onExpiry: null, onTick: null, tickInterval: 1 }, /** Localisations for the plugin. Entries are objects indexed by the language code ('' being the default US/English). Each object has the following attributes. @property [labels=['Years','Months','Weeks','Days','Hours','Minutes','Seconds']] {string[]} The display texts for the counter periods. @property [labels1=['Year','Month','Week','Day','Hour','Minute','Second']] {string[]} The display texts for the counter periods if they have a value of 1. Add other <code>labels<em>n</em></code> attributes as necessary to cater for other numeric idiosyncrasies of the localisation. @property [compactLabels=['y','m','w','d']] {string[]} The compact texts for the counter periods. @property [whichLabels=null] {whichLabelsCallback} A function to determine which <code>labels<em>n</em></code> to use. @example whichLabels: function(num) { return (num > 1 ? 0 : 1); } @property [digits=['0','1',...,'9']] {number[]} The digits to display (0-9). @property [timeSeparator=':'] {string} Separator for time periods in the compact layout. @property [isRTL=false] {boolean} True for right-to-left languages, false for left-to-right. */ regionalOptions: { // Available regional settings, indexed by language/country code '': { // Default regional settings - English/US labels: ['Years', 'Months', 'Weeks', 'Days', 'Hours', 'Minutes', 'Seconds'], labels1: ['Year', 'Month', 'Week', 'Day', 'Hour', 'Minute', 'Second'], compactLabels: ['y', 'm', 'w', 'd'], whichLabels: null, digits: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'], timeSeparator: ':', isRTL: false } }, /** Names of getter methods - those that can't be chained. */ _getters: ['getTimes'], /* Class name for the right-to-left marker. */ _rtlClass: pluginName + '-rtl', /* Class name for the countdown section marker. */ _sectionClass: pluginName + '-section', /* Class name for the period amount marker. */ _amountClass: pluginName + '-amount', /* Class name for the period name marker. */ _periodClass: pluginName + '-period', /* Class name for the countdown row marker. */ _rowClass: pluginName + '-row', /* Class name for the holding countdown marker. */ _holdingClass: pluginName + '-holding', /* Class name for the showing countdown marker. */ _showClass: pluginName + '-show', /* Class name for the description marker. */ _descrClass: pluginName + '-descr', /* List of currently active countdown elements. */ _timerElems: [], /** Additional setup for the countdown. Apply default localisations. Create the timer. */ _init: function() { var self = this; this._super(); this._serverSyncs = []; var now = (typeof Date.now == 'function' ? Date.now : function() { return new Date().getTime(); }); var perfAvail = (window.performance && typeof window.performance.now == 'function'); // Shared timer for all countdowns function timerCallBack(timestamp) { var drawStart = (timestamp < 1e12 ? // New HTML5 high resolution timer (perfAvail ? (performance.now() + performance.timing.navigationStart) : now()) : // Integer milliseconds since unix epoch timestamp || now()); if (drawStart - animationStartTime >= 1000) { self._updateElems(); animationStartTime = drawStart; } requestAnimationFrame(timerCallBack); } var requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || null; // This is when we expect a fall-back to setInterval as it's much more fluid var animationStartTime = 0; if (!requestAnimationFrame || $.noRequestAnimationFrame) { $.noRequestAnimationFrame = null; setInterval(function() { self._updateElems(); }, 980); // Fall back to good old setInterval } else { animationStartTime = window.animationStartTime || window.webkitAnimationStartTime || window.mozAnimationStartTime || window.oAnimationStartTime || window.msAnimationStartTime || now(); requestAnimationFrame(timerCallBack); } }, /** Convert a date/time to UTC. @param tz {number} The hour or minute offset from GMT, e.g. +9, -360. @param year {Date|number} the date/time in that timezone or the year in that timezone. @param [month] {number} The month (0 - 11) (omit if <code>year</code> is a <code>Date</code>). @param [day] {number} The day (omit if <code>year</code> is a <code>Date</code>). @param [hours] {number} The hour (omit if <code>year</code> is a <code>Date</code>). @param [mins] {number} The minute (omit if <code>year</code> is a <code>Date</code>). @param [secs] {number} The second (omit if <code>year</code> is a <code>Date</code>). @param [ms] {number} The millisecond (omit if <code>year</code> is a <code>Date</code>). @return {Date} The equivalent UTC date/time. @example $.countdown.UTCDate(+10, 2013, 12-1, 25, 12, 0) $.countdown.UTCDate(-7, new Date(2013, 12-1, 25, 12, 0)) */ UTCDate: function(tz, year, month, day, hours, mins, secs, ms) { if (typeof year == 'object' && year.constructor == Date) { ms = year.getMilliseconds(); secs = year.getSeconds(); mins = year.getMinutes(); hours = year.getHours(); day = year.getDate(); month = year.getMonth(); year = year.getFullYear(); } var d = new Date(); d.setUTCFullYear(year); d.setUTCDate(1); d.setUTCMonth(month || 0); d.setUTCDate(day || 1); d.setUTCHours(hours || 0); d.setUTCMinutes((mins || 0) - (Math.abs(tz) < 30 ? tz * 60 : tz)); d.setUTCSeconds(secs || 0); d.setUTCMilliseconds(ms || 0); return d; }, /** Convert a set of periods into seconds. Averaged for months and years. @param periods {number[]} The periods per year/month/week/day/hour/minute/second. @return {number} The corresponding number of seconds. @example var secs = $.countdown.periodsToSeconds(periods) */ periodsToSeconds: function(periods) { return periods[0] * 31557600 + periods[1] * 2629800 + periods[2] * 604800 + periods[3] * 86400 + periods[4] * 3600 + periods[5] * 60 + periods[6]; }, _instSettings: function(elem, options) { return {_periods: [0, 0, 0, 0, 0, 0, 0]}; }, /** Add an element to the list of active ones. @private @param elem {Element} The countdown element. */ _addElem: function(elem) { if (!this._hasElem(elem)) { this._timerElems.push(elem); } }, /** See if an element is in the list of active ones. @private @param elem {Element} The countdown element. @return {boolean} True if present, false if not. */ _hasElem: function(elem) { return ($.inArray(elem, this._timerElems) > -1); }, /** Remove an element from the list of active ones. @private @param elem {Element} The countdown element. */ _removeElem: function(elem) { this._timerElems = $.map(this._timerElems, function(value) { return (value == elem ? null : value); }); // delete entry }, /** Update each active timer element. @private */ _updateElems: function() { for (var i = this._timerElems.length - 1; i >= 0; i--) { this._updateCountdown(this._timerElems[i]); } }, _optionsChanged: function(elem, inst, options) { if (options.layout) { options.layout = options.layout.replace(/</g, '<').replace(/>/g, '>'); } this._resetExtraLabels(inst.options, options); var timezoneChanged = (inst.options.timezone != options.timezone); $.extend(inst.options, options); this._adjustSettings(elem, inst, options.until != null || options.since != null || timezoneChanged); var now = new Date(); if ((inst._since && inst._since < now) || (inst._until && inst._until > now)) { this._addElem(elem[0]); } this._updateCountdown(elem, inst); }, /** Redisplay the countdown with an updated display. @private @param elem {Element|jQuery} The containing division. @param inst {object} The current settings for this instance. */ _updateCountdown: function(elem, inst) { elem = elem.jquery ? elem : $(elem); inst = inst || elem.data(this.name); if (!inst) { return; } elem.html(this._generateHTML(inst)).toggleClass(this._rtlClass, inst.options.isRTL); if ($.isFunction(inst.options.onTick)) { var periods = inst._hold != 'lap' ? inst._periods : this._calculatePeriods(inst, inst._show, inst.options.significant, new Date()); if (inst.options.tickInterval == 1 || this.periodsToSeconds(periods) % inst.options.tickInterval == 0) { inst.options.onTick.apply(elem[0], [periods]); } } var expired = inst._hold != 'pause' && (inst._since ? inst._now.getTime() < inst._since.getTime() : inst._now.getTime() >= inst._until.getTime()); if (expired && !inst._expiring) { inst._expiring = true; if (this._hasElem(elem[0]) || inst.options.alwaysExpire) { this._removeElem(elem[0]); if ($.isFunction(inst.options.onExpiry)) { inst.options.onExpiry.apply(elem[0], []); } if (inst.options.expiryText) { var layout = inst.options.layout; inst.options.layout = inst.options.expiryText; this._updateCountdown(elem[0], inst); inst.options.layout = layout; } if (inst.options.expiryUrl) { window.location = inst.options.expiryUrl; } } inst._expiring = false; } else if (inst._hold == 'pause') { this._removeElem(elem[0]); } }, /** Reset any extra labelsn and compactLabelsn entries if changing labels. @private @param base {object} The options to be updated. @param options {object} The new option values. */ _resetExtraLabels: function(base, options) { var changingLabels = false; for (var n in options) { if (n != 'whichLabels' && n.match(/[Ll]abels/)) { changingLabels = true; break; } } if (changingLabels) { for (var n in base) { // Remove custom numbered labels if (n.match(/[Ll]abels[02-9]|compactLabels1/)) { base[n] = null; } } } }, /** Calculate internal settings for an instance. @private @param elem {jQuery} The containing division. @param inst {object} The current settings for this instance. @param recalc {boolean} True if until or since are set. */ _adjustSettings: function(elem, inst, recalc) { var now; var serverOffset = 0; var serverEntry = null; for (var i = 0; i < this._serverSyncs.length; i++) { if (this._serverSyncs[i][0] == inst.options.serverSync) { serverEntry = this._serverSyncs[i][1]; break; } } if (serverEntry != null) { serverOffset = (inst.options.serverSync ? serverEntry : 0); now = new Date(); } else { var serverResult = ($.isFunction(inst.options.serverSync) ? inst.options.serverSync.apply(elem[0], []) : null); now = new Date(); serverOffset = (serverResult ? now.getTime() - serverResult.getTime() : 0); this._serverSyncs.push([inst.options.serverSync, serverOffset]); } var timezone = inst.options.timezone; timezone = (timezone == null ? -now.getTimezoneOffset() : timezone); if (recalc || (!recalc && inst._until == null && inst._since == null)) { inst._since = inst.options.since; if (inst._since != null) { inst._since = this.UTCDate(timezone, this._determineTime(inst._since, null)); if (inst._since && serverOffset) { inst._since.setMilliseconds(inst._since.getMilliseconds() + serverOffset); } } inst._until = this.UTCDate(timezone, this._determineTime(inst.options.until, now)); if (serverOffset) { inst._until.setMilliseconds(inst._until.getMilliseconds() + serverOffset); } } inst._show = this._determineShow(inst); }, /** Remove the countdown widget from a div. @param elem {jQuery} The containing division. @param inst {object} The current instance object. */ _preDestroy: function(elem, inst) { this._removeElem(elem[0]); elem.empty(); }, /** Pause a countdown widget at the current time. Stop it running but remember and display the current time. @param elem {Element} The containing division. @example $(selector).countdown('pause') */ pause: function(elem) { this._hold(elem, 'pause'); }, /** Pause a countdown widget at the current time. Stop the display but keep the countdown running. @param elem {Element} The containing division. @example $(selector).countdown('lap') */ lap: function(elem) { this._hold(elem, 'lap'); }, /** Resume a paused countdown widget. @param elem {Element} The containing division. @example $(selector).countdown('resume') */ resume: function(elem) { this._hold(elem, null); }, /** Toggle a paused countdown widget. @param elem {Element} The containing division. @example $(selector).countdown('toggle') */ toggle: function(elem) { var inst = $.data(elem, this.name) || {}; this[!inst._hold ? 'pause' : 'resume'](elem); }, /** Toggle a lapped countdown widget. @param elem {Element} The containing division. @example $(selector).countdown('toggleLap') */ toggleLap: function(elem) { var inst = $.data(elem, this.name) || {}; this[!inst._hold ? 'lap' : 'resume'](elem); }, /** Pause or resume a countdown widget. @private @param elem {Element} The containing division. @param hold {string} The new hold setting. */ _hold: function(elem, hold) { var inst = $.data(elem, this.name); if (inst) { if (inst._hold == 'pause' && !hold) { inst._periods = inst._savePeriods; var sign = (inst._since ? '-' : '+'); inst[inst._since ? '_since' : '_until'] = this._determineTime(sign + inst._periods[0] + 'y' + sign + inst._periods[1] + 'o' + sign + inst._periods[2] + 'w' + sign + inst._periods[3] + 'd' + sign + inst._periods[4] + 'h' + sign + inst._periods[5] + 'm' + sign + inst._periods[6] + 's'); this._addElem(elem); } inst._hold = hold; inst._savePeriods = (hold == 'pause' ? inst._periods : null); $.data(elem, this.name, inst); this._updateCountdown(elem, inst); } }, /** Return the current time periods. @param elem {Element} The containing division. @return {number[]} The current periods for the countdown. @example var periods = $(selector).countdown('getTimes') */ getTimes: function(elem) { var inst = $.data(elem, this.name); return (!inst ? null : (inst._hold == 'pause' ? inst._savePeriods : (!inst._hold ? inst._periods : this._calculatePeriods(inst, inst._show, inst.options.significant, new Date())))); }, /** A time may be specified as an exact value or a relative one. @private @param setting {string|number|Date} The date/time value as a relative or absolute value. @param defaultTime {Date} The date/time to use if no other is supplied. @return {Date} The corresponding date/time. */ _determineTime: function(setting, defaultTime) { var self = this; var offsetNumeric = function(offset) { // e.g. +300, -2 var time = new Date(); time.setTime(time.getTime() + offset * 1000); return time; }; var offsetString = function(offset) { // e.g. '+2d', '-4w', '+3h +30m' offset = offset.toLowerCase(); var time = new Date(); var year = time.getFullYear(); var month = time.getMonth(); var day = time.getDate(); var hour = time.getHours(); var minute = time.getMinutes(); var second = time.getSeconds(); var pattern = /([+-]?[0-9]+)\s*(s|m|h|d|w|o|y)?/g; var matches = pattern.exec(offset); while (matches) { switch (matches[2] || 's') { case 's': second += parseInt(matches[1], 10); break; case 'm': minute += parseInt(matches[1], 10); break; case 'h': hour += parseInt(matches[1], 10); break; case 'd': day += parseInt(matches[1], 10); break; case 'w': day += parseInt(matches[1], 10) * 7; break; case 'o': month += parseInt(matches[1], 10); day = Math.min(day, self._getDaysInMonth(year, month)); break; case 'y': year += parseInt(matches[1], 10); day = Math.min(day, self._getDaysInMonth(year, month)); break; } matches = pattern.exec(offset); } return new Date(year, month, day, hour, minute, second, 0); }; var time = (setting == null ? defaultTime : (typeof setting == 'string' ? offsetString(setting) : (typeof setting == 'number' ? offsetNumeric(setting) : setting))); if (time) time.setMilliseconds(0); return time; }, /** Determine the number of days in a month. @private @param year {number} The year. @param month {number} The month. @return {number} The days in that month. */ _getDaysInMonth: function(year, month) { return 32 - new Date(year, month, 32).getDate(); }, /** Default implementation to determine which set of labels should be used for an amount. Use the <code>labels</code> attribute with the same numeric suffix (if it exists). @private @param num {number} The amount to be displayed. @return {number} The set of labels to be used for this amount. */ _normalLabels: function(num) { return num; }, /** Generate the HTML to display the countdown widget. @private @param inst {object} The current settings for this instance. @return {string} The new HTML for the countdown display. */ _generateHTML: function(inst) { var self = this; // Determine what to show inst._periods = (inst._hold ? inst._periods : this._calculatePeriods(inst, inst._show, inst.options.significant, new Date())); // Show all 'asNeeded' after first non-zero value var shownNonZero = false; var showCount = 0; var sigCount = inst.options.significant; var show = $.extend({}, inst._show); for (var period = Y; period <= S; period++) { shownNonZero |= (inst._show[period] == '?' && inst._periods[period] > 0); show[period] = (inst._show[period] == '?' && !shownNonZero ? null : inst._show[period]); showCount += (show[period] ? 1 : 0); sigCount -= (inst._periods[period] > 0 ? 1 : 0); } var showSignificant = [false, false, false, false, false, false, false]; for (var period = S; period >= Y; period--) { // Determine significant periods if (inst._show[period]) { if (inst._periods[period]) { showSignificant[period] = true; } else { showSignificant[period] = sigCount > 0; sigCount--; } } } var labels = (inst.options.compact ? inst.options.compactLabels : inst.options.labels); var whichLabels = inst.options.whichLabels || this._normalLabels; var showCompact = function(period) { var labelsNum = inst.options['compactLabels' + whichLabels(inst._periods[period])]; return (show[period] ? self._translateDigits(inst, inst._periods[period]) + (labelsNum ? labelsNum[period] : labels[period]) + ' ' : ''); }; var minDigits = (inst.options.padZeroes ? 2 : 1); var showFull = function(period) { var labelsNum = inst.options['labels' + whichLabels(inst._periods[period])]; return ((!inst.options.significant && show[period]) || (inst.options.significant && showSignificant[period]) ? '<span class="' + self._sectionClass + '">' + '<span class="' + self._amountClass + '">' + self._minDigits(inst, inst._periods[period], minDigits) + '</span>' + '<span class="' + self._periodClass + '">' + (labelsNum ? labelsNum[period] : labels[period]) + '</span></span>' : ''); }; return (inst.options.layout ? this._buildLayout(inst, show, inst.options.layout, inst.options.compact, inst.options.significant, showSignificant) : ((inst.options.compact ? // Compact version '<span class="' + this._rowClass + ' ' + this._amountClass + (inst._hold ? ' ' + this._holdingClass : '') + '">' + showCompact(Y) + showCompact(O) + showCompact(W) + showCompact(D) + (show[H] ? this._minDigits(inst, inst._periods[H], 2) : '') + (show[M] ? (show[H] ? inst.options.timeSeparator : '') + this._minDigits(inst, inst._periods[M], 2) : '') + (show[S] ? (show[H] || show[M] ? inst.options.timeSeparator : '') + this._minDigits(inst, inst._periods[S], 2) : '') : // Full version '<span class="' + this._rowClass + ' ' + this._showClass + (inst.options.significant || showCount) + (inst._hold ? ' ' + this._holdingClass : '') + '">' + showFull(Y) + showFull(O) + showFull(W) + showFull(D) + showFull(H) + showFull(M) + showFull(S)) + '</span>' + (inst.options.description ? '<span class="' + this._rowClass + ' ' + this._descrClass + '">' + inst.options.description + '</span>' : ''))); }, /** Construct a custom layout. @private @param inst {object} The current settings for this instance. @param show {boolean[]} Flags indicating which periods are requested. @param layout {string} The customised layout. @param compact {boolean} True if using compact labels. @param significant {number} The number of periods with values to show, zero for all. @param showSignificant {boolean[]} Other periods to show for significance. @return {string} The custom HTML. */ _buildLayout: function(inst, show, layout, compact, significant, showSignificant) { var labels = inst.options[compact ? 'compactLabels' : 'labels']; var whichLabels = inst.options.whichLabels || this._normalLabels; var labelFor = function(index) { return (inst.options[(compact ? 'compactLabels' : 'labels') + whichLabels(inst._periods[index])] || labels)[index]; }; var digit = function(value, position) { return inst.options.digits[Math.floor(value / position) % 10]; }; var subs = {desc: inst.options.description, sep: inst.options.timeSeparator, yl: labelFor(Y), yn: this._minDigits(inst, inst._periods[Y], 1), ynn: this._minDigits(inst, inst._periods[Y], 2), ynnn: this._minDigits(inst, inst._periods[Y], 3), y1: digit(inst._periods[Y], 1), y10: digit(inst._periods[Y], 10), y100: digit(inst._periods[Y], 100), y1000: digit(inst._periods[Y], 1000), ol: labelFor(O), on: this._minDigits(inst, inst._periods[O], 1), onn: this._minDigits(inst, inst._periods[O], 2), onnn: this._minDigits(inst, inst._periods[O], 3), o1: digit(inst._periods[O], 1), o10: digit(inst._periods[O], 10), o100: digit(inst._periods[O], 100), o1000: digit(inst._periods[O], 1000), wl: labelFor(W), wn: this._minDigits(inst, inst._periods[W], 1), wnn: this._minDigits(inst, inst._periods[W], 2), wnnn: this._minDigits(inst, inst._periods[W], 3), w1: digit(inst._periods[W], 1), w10: digit(inst._periods[W], 10), w100: digit(inst._periods[W], 100), w1000: digit(inst._periods[W], 1000), dl: labelFor(D), dn: this._minDigits(inst, inst._periods[D], 1), dnn: this._minDigits(inst, inst._periods[D], 2), dnnn: this._minDigits(inst, inst._periods[D], 3), d1: digit(inst._periods[D], 1), d10: digit(inst._periods[D], 10), d100: digit(inst._periods[D], 100), d1000: digit(inst._periods[D], 1000), hl: labelFor(H), hn: this._minDigits(inst, inst._periods[H], 1), hnn: this._minDigits(inst, inst._periods[H], 2), hnnn: this._minDigits(inst, inst._periods[H], 3), h1: digit(inst._periods[H], 1), h10: digit(inst._periods[H], 10), h100: digit(inst._periods[H], 100), h1000: digit(inst._periods[H], 1000), ml: labelFor(M), mn: this._minDigits(inst, inst._periods[M], 1), mnn: this._minDigits(inst, inst._periods[M], 2), mnnn: this._minDigits(inst, inst._periods[M], 3), m1: digit(inst._periods[M], 1), m10: digit(inst._periods[M], 10), m100: digit(inst._periods[M], 100), m1000: digit(inst._periods[M], 1000), sl: labelFor(S), sn: this._minDigits(inst, inst._periods[S], 1), snn: this._minDigits(inst, inst._periods[S], 2), snnn: this._minDigits(inst, inst._periods[S], 3), s1: digit(inst._periods[S], 1), s10: digit(inst._periods[S], 10), s100: digit(inst._periods[S], 100), s1000: digit(inst._periods[S], 1000)}; var html = layout; // Replace period containers: {p<}...{p>} for (var i = Y; i <= S; i++) { var period = 'yowdhms'.charAt(i); var re = new RegExp('\\{' + period + '<\\}([\\s\\S]*)\\{' + period + '>\\}', 'g'); html = html.replace(re, ((!significant && show[i]) || (significant && showSignificant[i]) ? '$1' : '')); } // Replace period values: {pn} $.each(subs, function(n, v) { var re = new RegExp('\\{' + n + '\\}', 'g'); html = html.replace(re, v); }); return html; }, /** Ensure a numeric value has at least n digits for display. @private @param inst {object} The current settings for this instance. @param value {number} The value to display. @param len {number} The minimum length. @return {string} The display text. */ _minDigits: function(inst, value, len) { value = '' + value; if (value.length >= len) { return this._translateDigits(inst, value); } value = '0000000000' + value; return this._translateDigits(inst, value.substr(value.length - len)); }, /** Translate digits into other representations. @private @param inst {object} The current settings for this instance. @param value {string} The text to translate. @return {string} The translated text. */ _translateDigits: function(inst, value) { return ('' + value).replace(/[0-9]/g, function(digit) { return inst.options.digits[digit]; }); }, /** Translate the format into flags for each period. @private @param inst {object} The current settings for this instance. @return {string[]} Flags indicating which periods are requested (?) or required (!) by year, month, week, day, hour, minute, second. */ _determineShow: function(inst) { var format = inst.options.format; var show = []; show[Y] = (format.match('y') ? '?' : (format.match('Y') ? '!' : null)); show[O] = (format.match('o') ? '?' : (format.match('O') ? '!' : null)); show[W] = (format.match('w') ? '?' : (format.match('W') ? '!' : null)); show[D] = (format.match('d') ? '?' : (format.match('D') ? '!' : null)); show[H] = (format.match('h') ? '?' : (format.match('H') ? '!' : null)); show[M] = (format.match('m') ? '?' : (format.match('M') ? '!' : null)); show[S] = (format.match('s') ? '?' : (format.match('S') ? '!' : null)); return show; }, /** Calculate the requested periods between now and the target time. @private @param inst {object} The current settings for this instance. @param show {string[]} Flags indicating which periods are requested/required. @param significant {number} The number of periods with values to show, zero for all. @param now {Date} The current date and time. @return {number[]} The current time periods (always positive) by year, month, week, day, hour, minute, second. */ _calculatePeriods: function(inst, show, significant, now) { // Find endpoints inst._now = now; inst._now.setMilliseconds(0); var until = new Date(inst._now.getTime()); if (inst._since) { if (now.getTime() < inst._since.getTime()) { inst._now = now = until; } else { now = inst._since; } } else { until.setTime(inst._until.getTime()); if (now.getTime() > inst._until.getTime()) { inst._now = now = until; } } // Calculate differences by period var periods = [0, 0, 0, 0, 0, 0, 0]; if (show[Y] || show[O]) { // Treat end of months as the same var lastNow = this._getDaysInMonth(now.getFullYear(), now.getMonth()); var lastUntil = this._getDaysInMonth(until.getFullYear(), until.getMonth()); var sameDay = (until.getDate() == now.getDate() || (until.getDate() >= Math.min(lastNow, lastUntil) && now.getDate() >= Math.min(lastNow, lastUntil))); var getSecs = function(date) { return (date.getHours() * 60 + date.getMinutes()) * 60 + date.getSeconds(); }; var months = Math.max(0, (until.getFullYear() - now.getFullYear()) * 12 + until.getMonth() - now.getMonth() + ((until.getDate() < now.getDate() && !sameDay) || (sameDay && getSecs(until) < getSecs(now)) ? -1 : 0)); periods[Y] = (show[Y] ? Math.floor(months / 12) : 0); periods[O] = (show[O] ? months - periods[Y] * 12 : 0); // Adjust for months difference and end of month if necessary now = new Date(now.getTime()); var wasLastDay = (now.getDate() == lastNow); var lastDay = this._getDaysInMonth(now.getFullYear() + periods[Y], now.getMonth() + periods[O]); if (now.getDate() > lastDay) { now.setDate(lastDay); } now.setFullYear(now.getFullYear() + periods[Y]); now.setMonth(now.getMonth() + periods[O]); if (wasLastDay) { now.setDate(lastDay); } } var diff = Math.floor((until.getTime() - now.getTime()) / 1000); var extractPeriod = function(period, numSecs) { periods[period] = (show[period] ? Math.floor(diff / numSecs) : 0); diff -= periods[period] * numSecs; }; extractPeriod(W, 604800); extractPeriod(D, 86400); extractPeriod(H, 3600); extractPeriod(M, 60); extractPeriod(S, 1); if (diff > 0 && !inst._since) { // Round up if left overs var multiplier = [1, 12, 4.3482, 7, 24, 60, 60]; var lastShown = S; var max = 1; for (var period = S; period >= Y; period--) { if (show[period]) { if (periods[lastShown] >= max) { periods[lastShown] = 0; diff = 1; } if (diff > 0) { periods[period]++; diff = 0; lastShown = period; max = 1; } } max *= multiplier[period]; } } if (significant) { // Zero out insignificant periods for (var period = Y; period <= S; period++) { if (significant && periods[period]) { significant--; } else if (!significant) { periods[period] = 0; } } } return periods; } }); })(jQuery);
