// @tag foundation,core // @require Object.js // @define Ext.Date /** * @class Ext.Date * A set of useful static methods to deal with date * Note that if Ext.Date is required and loaded, it will copy all methods / properties to * this object for convenience * * The date parsing and formatting syntax contains a subset of * [PHP's `date()` function](http://www.php.net/date), and the formats that are * supported will provide results equivalent to their PHP versions. * * The following is a list of all currently supported formats: * <pre class=""> Format Description Example returned values ------ ----------------------------------------------------------------------- ----------------------- d Day of the month, 2 digits with leading zeros 01 to 31 D A short textual representation of the day of the week Mon to Sun j Day of the month without leading zeros 1 to 31 l A full textual representation of the day of the week Sunday to Saturday N ISO-8601 numeric representation of the day of the week 1 (for Monday) through 7 (for Sunday) S English ordinal suffix for the day of the month, 2 characters st, nd, rd or th. Works well with j w Numeric representation of the day of the week 0 (for Sunday) to 6 (for Saturday) z The day of the year (starting from 0) 0 to 364 (365 in leap years) W ISO-8601 week number of year, weeks starting on Monday 01 to 53 F A full textual representation of a month, such as January or March January to December m Numeric representation of a month, with leading zeros 01 to 12 M A short textual representation of a month Jan to Dec n Numeric representation of a month, without leading zeros 1 to 12 t Number of days in the given month 28 to 31 L Whether it's a leap year 1 if it is a leap year, 0 otherwise. o ISO-8601 year number (identical to (Y), but if the ISO week number (W) Examples: 1998 or 2004 belongs to the previous or next year, that year is used instead) Y A full numeric representation of a year, 4 digits Examples: 1999 or 2003 y A two digit representation of a year Examples: 99 or 03 a Lowercase Ante meridiem and Post meridiem am or pm A Uppercase Ante meridiem and Post meridiem AM or PM g 12-hour format of an hour without leading zeros 1 to 12 G 24-hour format of an hour without leading zeros 0 to 23 h 12-hour format of an hour with leading zeros 01 to 12 H 24-hour format of an hour with leading zeros 00 to 23 i Minutes, with leading zeros 00 to 59 s Seconds, with leading zeros 00 to 59 u Decimal fraction of a second Examples: (minimum 1 digit, arbitrary number of digits allowed) 001 (i.e. 0.001s) or 100 (i.e. 0.100s) or 999 (i.e. 0.999s) or 999876543210 (i.e. 0.999876543210s) O Difference to Greenwich time (GMT) in hours and minutes Example: +1030 P Difference to Greenwich time (GMT) with colon between hours and minutes Example: -08:00 T Timezone abbreviation of the machine running the code Examples: EST, MDT, PDT ... Z Timezone offset in seconds (negative if west of UTC, positive if east) -43200 to 50400 c ISO 8601 date Notes: Examples: 1) If unspecified, the month / day defaults to the current month / day, 1991 or the time defaults to midnight, while the timezone defaults to the 1992-10 or browser's timezone. If a time is specified, it must include both hours 1993-09-20 or and minutes. The "T" delimiter, seconds, milliseconds and timezone 1994-08-19T16:20+01:00 or are optional. 1995-07-18T17:21:28-02:00 or 2) The decimal fraction of a second, if specified, must contain at 1996-06-17T18:22:29.98765+03:00 or least 1 digit (there is no limit to the maximum number 1997-05-16T19:23:30,12345-0400 or of digits allowed), and may be delimited by either a '.' or a ',' 1998-04-15T20:24:31.2468Z or Refer to the examples on the right for the various levels of 1999-03-14T20:24:32Z or date-time granularity which are supported, or see 2000-02-13T21:25:33 http://www.w3.org/TR/NOTE-datetime for more info. 2001-01-12 22:26:34 U Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) 1193432466 or -2138434463 MS Microsoft AJAX serialized dates \/Date(1238606590509)\/ (i.e. UTC milliseconds since epoch) or \/Date(1238606590509+0800)\/ time A javascript millisecond timestamp 1350024476440 timestamp A UNIX timestamp (same as U) 1350024866 </pre> * * Example usage (note that you must escape format specifiers with '\\' to render them as character literals): * * // Sample date: * // 'Wed Jan 10 2007 15:05:01 GMT-0600 (Central Standard Time)' * * var dt = new Date('1/10/2007 03:05:01 PM GMT-0600'); * console.log(Ext.Date.format(dt, 'Y-m-d')); // 2007-01-10 * console.log(Ext.Date.format(dt, 'F j, Y, g:i a')); // January 10, 2007, 3:05 pm * console.log(Ext.Date.format(dt, 'l, \\t\\he jS \\of F Y h:i:s A')); // Wednesday, the 10th of January 2007 03:05:01 PM * * Here are some standard date/time patterns that you might find helpful. They * are not part of the source of Ext.Date, but to use them you can simply copy this * block of code into any script that is included after Ext.Date and they will also become * globally available on the Date object. Feel free to add or remove patterns as needed in your code. * * Ext.Date.patterns = { * ISO8601Long:"Y-m-d H:i:s", * ISO8601Short:"Y-m-d", * ShortDate: "n/j/Y", * LongDate: "l, F d, Y", * FullDateTime: "l, F d, Y g:i:s A", * MonthDay: "F d", * ShortTime: "g:i A", * LongTime: "g:i:s A", * SortableDateTime: "Y-m-d\\TH:i:s", * UniversalSortableDateTime: "Y-m-d H:i:sO", * YearMonth: "F, Y" * }; * * Example usage: * * var dt = new Date(); * console.log(Ext.Date.format(dt, Ext.Date.patterns.ShortDate)); * * Developer-written, custom formats may be used by supplying both a formatting and a parsing function * which perform to specialized requirements. The functions are stored in {@link #parseFunctions} and {@link #formatFunctions}. * @singleton */ /* * Most of the date-formatting functions below are the excellent work of Baron Schwartz. * (see http://www.xaprb.com/blog/2005/12/12/javascript-closures-for-runtime-efficiency/) * They generate precompiled functions from format patterns instead of parsing and * processing each pattern every time a date is formatted. These functions are available * on every Date object. */ Ext.Date = new function() { var utilDate = this, stripEscapeRe = /(\\.)/g, hourInfoRe = /([gGhHisucUOPZ]|MS)/, dateInfoRe = /([djzmnYycU]|MS)/, slashRe = /\\/gi, numberTokenRe = /\{(\d+)\}/g, MSFormatRe = new RegExp('\\/Date\\(([-+])?(\\d+)(?:[+-]\\d{4})?\\)\\/'), code = [ // date calculations (note: the code below creates a dependency on Ext.Number.from()) "var me = this, dt, y, m, d, h, i, s, ms, o, O, z, zz, u, v, W, year, jan4, week1monday, daysInMonth, dayMatched,", "def = me.defaults,", "from = Ext.Number.from,", "results = String(input).match(me.parseRegexes[{0}]);", // either null, or an array of matched strings "if(results){", "{1}", "if(u != null){", // i.e. unix time is defined "v = new Date(u * 1000);", // give top priority to UNIX time "}else{", // create Date object representing midnight of the current day; // this will provide us with our date defaults // (note: clearTime() handles Daylight Saving Time automatically) "dt = me.clearTime(new Date);", "y = from(y, from(def.y, dt.getFullYear()));", "m = from(m, from(def.m - 1, dt.getMonth()));", "dayMatched = d !== undefined;", "d = from(d, from(def.d, dt.getDate()));", // Attempt to validate the day. Since it defaults to today, it may go out // of range, for example parsing m/Y where the value is 02/2000 on the 31st of May. // It will attempt to parse 2000/02/31, which will overflow to March and end up // returning 03/2000. We only do this when we default the day. If an invalid day value // was set to be parsed by the user, continue on and either let it overflow or return null // depending on the strict value. This will be in line with the normal Date behaviour. "if (!dayMatched) {", "dt.setDate(1);", "dt.setMonth(m);", "dt.setFullYear(y);", "daysInMonth = me.getDaysInMonth(dt);", "if (d > daysInMonth) {", "d = daysInMonth;", "}", "}", "h = from(h, from(def.h, dt.getHours()));", "i = from(i, from(def.i, dt.getMinutes()));", "s = from(s, from(def.s, dt.getSeconds()));", "ms = from(ms, from(def.ms, dt.getMilliseconds()));", "if(z >= 0 && y >= 0){", // both the year and zero-based day of year are defined and >= 0. // these 2 values alone provide sufficient info to create a full date object // create Date object representing January 1st for the given year // handle years < 100 appropriately "v = me.add(new Date(y < 100 ? 100 : y, 0, 1, h, i, s, ms), me.YEAR, y < 100 ? y - 100 : 0);", // then add day of year, checking for Date "rollover" if necessary "v = !strict? v : (strict === true && (z <= 364 || (me.isLeapYear(v) && z <= 365))? me.add(v, me.DAY, z) : null);", "}else if(strict === true && !me.isValid(y, m + 1, d, h, i, s, ms)){", // check for Date "rollover" "v = null;", // invalid date, so return null "}else{", "if (W) {", // support ISO-8601 // http://en.wikipedia.org/wiki/ISO_week_date // // Mutually equivalent definitions for week 01 are: // a. the week starting with the Monday which is nearest in time to 1 January // b. the week with 4 January in it // ... there are many others ... // // We'll use letter b above to determine the first week of the year. // // So, first get a Date object for January 4th of whatever calendar year is desired. // // Then, the first Monday of the year can easily be determined by (operating on this Date): // 1. Getting the day of the week. // 2. Subtracting that by one. // 3. Multiplying that by 86400000 (one day in ms). // 4. Subtracting this number of days (in ms) from the January 4 date (represented in ms). // // Example #1 ... // // January 2012 // Su Mo Tu We Th Fr Sa // 1 2 3 4 5 6 7 // 8 9 10 11 12 13 14 // 15 16 17 18 19 20 21 // 22 23 24 25 26 27 28 // 29 30 31 // // 1. January 4th is a Wednesday. // 2. Its day number is 3. // 3. Simply substract 2 days from Wednesday. // 4. The first week of the year begins on Monday, January 2. Simple! // // Example #2 ... // January 1992 // Su Mo Tu We Th Fr Sa // 1 2 3 4 // 5 6 7 8 9 10 11 // 12 13 14 15 16 17 18 // 19 20 21 22 23 24 25 // 26 27 28 29 30 31 // // 1. January 4th is a Saturday. // 2. Its day number is 6. // 3. Simply subtract 5 days from Saturday. // 4. The first week of the year begins on Monday, December 30. Simple! // // v = Ext.Date.clearTime(new Date(week1monday.getTime() + ((W - 1) * 604800000))); // (This is essentially doing the same thing as above but for the week rather than the day) "year = y || (new Date()).getFullYear(),", "jan4 = new Date(year, 0, 4, 0, 0, 0),", "week1monday = new Date(jan4.getTime() - ((jan4.getDay() - 1) * 86400000));", "v = Ext.Date.clearTime(new Date(week1monday.getTime() + ((W - 1) * 604800000)));", "} else {", // plain old Date object // handle years < 100 properly "v = me.add(new Date(y < 100 ? 100 : y, m, d, h, i, s, ms), me.YEAR, y < 100 ? y - 100 : 0);", "}", "}", "}", "}", "if(v){", // favor UTC offset over GMT offset "if(zz != null){", // reset to UTC, then add offset "v = me.add(v, me.SECOND, -v.getTimezoneOffset() * 60 - zz);", "}else if(o){", // reset to GMT, then add offset "v = me.add(v, me.MINUTE, -v.getTimezoneOffset() + (sn == '+'? -1 : 1) * (hr * 60 + mn));", "}", "}", "return v;" ].join('\n'); // create private copy of Ext JS's `Ext.util.Format.format()` method // - to remove unnecessary dependency // - to resolve namespace conflict with MS-Ajax's implementation function xf(format) { var args = Array.prototype.slice.call(arguments, 1); return format.replace(numberTokenRe, function(m, i) { return args[i]; }); } Ext.apply(utilDate, { /** * Returns the current timestamp. * @return {Number} Milliseconds since UNIX epoch. * @method */ now: Date.now || function() { return +new Date(); }, /** * @private * Private for now */ toString: function(date) { var pad = Ext.String.leftPad; return date.getFullYear() + "-" + pad(date.getMonth() + 1, 2, '0') + "-" + pad(date.getDate(), 2, '0') + "T" + pad(date.getHours(), 2, '0') + ":" + pad(date.getMinutes(), 2, '0') + ":" + pad(date.getSeconds(), 2, '0'); }, /** * Returns the number of milliseconds between two dates. * @param {Date} dateA The first date. * @param {Date} [dateB=new Date()] (optional) The second date. * @return {Number} The difference in milliseconds */ getElapsed: function(dateA, dateB) { return Math.abs(dateA - (dateB || utilDate.now())); }, /** * Global flag which determines if strict date parsing should be used. * Strict date parsing will not roll-over invalid dates, which is the * default behavior of JavaScript Date objects. * (see {@link #parse} for more information) * @type Boolean */ useStrict: false, // private formatCodeToRegex: function(character, currentGroup) { // Note: currentGroup - position in regex result array (see notes for Ext.Date.parseCodes below) var p = utilDate.parseCodes[character]; if (p) { p = typeof p == 'function'? p() : p; utilDate.parseCodes[character] = p; // reassign function result to prevent repeated execution } return p ? Ext.applyIf({ c: p.c ? xf(p.c, currentGroup || "{0}") : p.c }, p) : { g: 0, c: null, s: Ext.String.escapeRegex(character) // treat unrecognized characters as literals }; }, /** * An object hash in which each property is a date parsing function. The property name is the * format string which that function parses. * * This object is automatically populated with date parsing functions as * date formats are requested for Ext standard formatting strings. * * Custom parsing functions may be inserted into this object, keyed by a name which from then on * may be used as a format string to {@link #parse}. * * Example: * * Ext.Date.parseFunctions['x-date-format'] = myDateParser; * * A parsing function should return a Date object, and is passed the following parameters:<div class="mdetail-params"><ul> * <li><code>date</code> : String<div class="sub-desc">The date string to parse.</div></li> * <li><code>strict</code> : Boolean<div class="sub-desc">True to validate date strings while parsing * (i.e. prevent JavaScript Date "rollover") (The default must be `false`). * Invalid date strings should return `null` when parsed.</div></li> * </ul></div> * * To enable Dates to also be _formatted_ according to that format, a corresponding * formatting function must be placed into the {@link #formatFunctions} property. * @property parseFunctions * @type Object */ parseFunctions: { "MS": function(input, strict) { // note: the timezone offset is ignored since the MS Ajax server sends // a UTC milliseconds-since-Unix-epoch value (negative values are allowed) var r = (input || '').match(MSFormatRe); return r ? new Date(((r[1] || '') + r[2]) * 1) : null; }, "time": function(input, strict) { var num = parseInt(input, 10); if (num || num === 0) { return new Date(num); } return null; }, "timestamp": function(input, strict) { var num = parseInt(input, 10); if (num || num === 0) { return new Date(num * 1000); } return null; } }, parseRegexes: [], /** * An object hash in which each property is a date formatting function. The property name is the * format string which corresponds to the produced formatted date string. * * This object is automatically populated with date formatting functions as * date formats are requested for Ext standard formatting strings. * * Custom formatting functions may be inserted into this object, keyed by a name which from then on * may be used as a format string to {@link #format}. * * Example: * * Ext.Date.formatFunctions['x-date-format'] = myDateFormatter; * * A formatting function should return a string representation of the passed Date object, and is passed the following parameters:<div class="mdetail-params"><ul> * <li><code>date</code> : Date<div class="sub-desc">The Date to format.</div></li> * </ul></div> * * To enable date strings to also be _parsed_ according to that format, a corresponding * parsing function must be placed into the {@link #parseFunctions} property. * @property formatFunctions * @type Object */ formatFunctions: { "MS": function() { // UTC milliseconds since Unix epoch (MS-AJAX serialized date format (MRSF)) return '\\/Date(' + this.getTime() + ')\\/'; }, "time": function(){ return this.getTime().toString(); }, "timestamp": function(){ return utilDate.format(this, 'U'); } }, y2kYear : 50, /** * Date interval constant * @type String */ MILLI : "ms", /** * Date interval constant * @type String */ SECOND : "s", /** * Date interval constant * @type String */ MINUTE : "mi", /** Date interval constant * @type String */ HOUR : "h", /** * Date interval constant * @type String */ DAY : "d", /** * Date interval constant * @type String */ MONTH : "mo", /** * Date interval constant * @type String */ YEAR : "y", /** * An object hash containing default date values used during date parsing. * * The following properties are available:<div class="mdetail-params"><ul> * <li><code>y</code> : Number<div class="sub-desc">The default year value. (defaults to undefined)</div></li> * <li><code>m</code> : Number<div class="sub-desc">The default 1-based month value. (defaults to undefined)</div></li> * <li><code>d</code> : Number<div class="sub-desc">The default day value. (defaults to undefined)</div></li> * <li><code>h</code> : Number<div class="sub-desc">The default hour value. (defaults to undefined)</div></li> * <li><code>i</code> : Number<div class="sub-desc">The default minute value. (defaults to undefined)</div></li> * <li><code>s</code> : Number<div class="sub-desc">The default second value. (defaults to undefined)</div></li> * <li><code>ms</code> : Number<div class="sub-desc">The default millisecond value. (defaults to undefined)</div></li> * </ul></div> * * Override these properties to customize the default date values used by the {@link #parse} method. * * __Note:__ In countries which experience Daylight Saving Time (i.e. DST), the `h`, `i`, `s` * and `ms` properties may coincide with the exact time in which DST takes effect. * It is the responsibility of the developer to account for this. * * Example Usage: * * // set default day value to the first day of the month * Ext.Date.defaults.d = 1; * * // parse a February date string containing only year and month values. * // setting the default day value to 1 prevents weird date rollover issues * // when attempting to parse the following date string on, for example, March 31st 2009. * Ext.Date.parse('2009-02', 'Y-m'); // returns a Date object representing February 1st 2009 * * @property defaults * @type Object */ defaults: {}, //<locale type="array"> /** * @property {String[]} dayNames * An array of textual day names. * Override these values for international dates. * * Example: * * Ext.Date.dayNames = [ * 'SundayInYourLang', * 'MondayInYourLang' * // ... * ]; */ dayNames : [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], //</locale> //<locale type="array"> /** * @property {String[]} monthNames * An array of textual month names. * Override these values for international dates. * * Example: * * Ext.Date.monthNames = [ * 'JanInYourLang', * 'FebInYourLang' * // ... * ]; */ monthNames : [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], //</locale> //<locale type="object"> /** * @property {Object} monthNumbers * An object hash of zero-based JavaScript month numbers (with short month names as keys. **Note:** keys are case-sensitive). * Override these values for international dates. * * Example: * * Ext.Date.monthNumbers = { * 'LongJanNameInYourLang': 0, * 'ShortJanNameInYourLang':0, * 'LongFebNameInYourLang':1, * 'ShortFebNameInYourLang':1 * // ... * }; */ monthNumbers : { January: 0, Jan: 0, February: 1, Feb: 1, March: 2, Mar: 2, April: 3, Apr: 3, May: 4, June: 5, Jun: 5, July: 6, Jul: 6, August: 7, Aug: 7, September: 8, Sep: 8, October: 9, Oct: 9, November: 10, Nov: 10, December: 11, Dec: 11 }, //</locale> //<locale> /** * @property {String} defaultFormat * The date format string that the {@link Ext.util.Format#dateRenderer} * and {@link Ext.util.Format#date} functions use. See {@link Ext.Date} for details. * * This may be overridden in a locale file. */ defaultFormat : "m/d/Y", //</locale> //<locale type="function"> /** * Get the short month name for the given month number. * Override this function for international dates. * @param {Number} month A zero-based JavaScript month number. * @return {String} The short month name. */ getShortMonthName : function(month) { return Ext.Date.monthNames[month].substring(0, 3); }, //</locale> //<locale type="function"> /** * Get the short day name for the given day number. * Override this function for international dates. * @param {Number} day A zero-based JavaScript day number. * @return {String} The short day name. */ getShortDayName : function(day) { return Ext.Date.dayNames[day].substring(0, 3); }, //</locale> //<locale type="function"> /** * Get the zero-based JavaScript month number for the given short/full month name. * Override this function for international dates. * @param {String} name The short/full month name. * @return {Number} The zero-based JavaScript month number. */ getMonthNumber : function(name) { // handle camel casing for English month names (since the keys for the Ext.Date.monthNumbers hash are case sensitive) return Ext.Date.monthNumbers[name.substring(0, 1).toUpperCase() + name.substring(1, 3).toLowerCase()]; }, //</locale> /** * Checks if the specified format contains hour information * @param {String} format The format to check * @return {Boolean} True if the format contains hour information * @method */ formatContainsHourInfo : function(format){ return hourInfoRe.test(format.replace(stripEscapeRe, '')); }, /** * Checks if the specified format contains information about * anything other than the time. * @param {String} format The format to check * @return {Boolean} True if the format contains information about * date/day information. * @method */ formatContainsDateInfo : function(format){ return dateInfoRe.test(format.replace(stripEscapeRe, '')); }, /** * Removes all escaping for a date format string. In date formats, * using a '\' can be used to escape special characters. * @param {String} format The format to unescape * @return {String} The unescaped format * @method */ unescapeFormat: function(format) { // Escape the format, since \ can be used to escape special // characters in a date format. For example, in a Spanish // locale the format may be: 'd \\de F \\de Y' return format.replace(slashRe, ''); }, /** * The base format-code to formatting-function hashmap used by the {@link #format} method. * Formatting functions are strings (or functions which return strings) which * will return the appropriate value when evaluated in the context of the Date object * from which the {@link #format} method is called. * Add to / override these mappings for custom date formatting. * * __Note:__ Ext.Date.format() treats characters as literals if an appropriate mapping cannot be found. * * Example: * * Ext.Date.formatCodes.x = "Ext.util.Format.leftPad(this.getDate(), 2, '0')"; * console.log(Ext.Date.format(new Date(), 'X'); // returns the current day of the month * @type Object */ formatCodes : { d: "Ext.String.leftPad(this.getDate(), 2, '0')", D: "Ext.Date.getShortDayName(this.getDay())", // get localized short day name j: "this.getDate()", l: "Ext.Date.dayNames[this.getDay()]", N: "(this.getDay() ? this.getDay() : 7)", S: "Ext.Date.getSuffix(this)", w: "this.getDay()", z: "Ext.Date.getDayOfYear(this)", W: "Ext.String.leftPad(Ext.Date.getWeekOfYear(this), 2, '0')", F: "Ext.Date.monthNames[this.getMonth()]", m: "Ext.String.leftPad(this.getMonth() + 1, 2, '0')", M: "Ext.Date.getShortMonthName(this.getMonth())", // get localized short month name n: "(this.getMonth() + 1)", t: "Ext.Date.getDaysInMonth(this)", L: "(Ext.Date.isLeapYear(this) ? 1 : 0)", o: "(this.getFullYear() + (Ext.Date.getWeekOfYear(this) == 1 && this.getMonth() > 0 ? +1 : (Ext.Date.getWeekOfYear(this) >= 52 && this.getMonth() < 11 ? -1 : 0)))", Y: "Ext.String.leftPad(this.getFullYear(), 4, '0')", y: "('' + this.getFullYear()).substring(2, 4)", a: "(this.getHours() < 12 ? 'am' : 'pm')", A: "(this.getHours() < 12 ? 'AM' : 'PM')", g: "((this.getHours() % 12) ? this.getHours() % 12 : 12)", G: "this.getHours()", h: "Ext.String.leftPad((this.getHours() % 12) ? this.getHours() % 12 : 12, 2, '0')", H: "Ext.String.leftPad(this.getHours(), 2, '0')", i: "Ext.String.leftPad(this.getMinutes(), 2, '0')", s: "Ext.String.leftPad(this.getSeconds(), 2, '0')", u: "Ext.String.leftPad(this.getMilliseconds(), 3, '0')", O: "Ext.Date.getGMTOffset(this)", P: "Ext.Date.getGMTOffset(this, true)", T: "Ext.Date.getTimezone(this)", Z: "(this.getTimezoneOffset() * -60)", c: function() { // ISO-8601 -- GMT format var c, code, i, l, e; for (c = "Y-m-dTH:i:sP", code = [], i = 0, l = c.length; i < l; ++i) { e = c.charAt(i); code.push(e == "T" ? "'T'" : utilDate.getFormatCode(e)); // treat T as a character literal } return code.join(" + "); }, /* c: function() { // ISO-8601 -- UTC format return [ "this.getUTCFullYear()", "'-'", "Ext.util.Format.leftPad(this.getUTCMonth() + 1, 2, '0')", "'-'", "Ext.util.Format.leftPad(this.getUTCDate(), 2, '0')", "'T'", "Ext.util.Format.leftPad(this.getUTCHours(), 2, '0')", "':'", "Ext.util.Format.leftPad(this.getUTCMinutes(), 2, '0')", "':'", "Ext.util.Format.leftPad(this.getUTCSeconds(), 2, '0')", "'Z'" ].join(" + "); }, */ U: "Math.round(this.getTime() / 1000)" }, /** * Checks if the passed Date parameters will cause a JavaScript Date "rollover". * @param {Number} year 4-digit year * @param {Number} month 1-based month-of-year * @param {Number} day Day of month * @param {Number} hour (optional) Hour * @param {Number} minute (optional) Minute * @param {Number} second (optional) Second * @param {Number} millisecond (optional) Millisecond * @return {Boolean} `true` if the passed parameters do not cause a Date "rollover", `false` otherwise. */ isValid : function(y, m, d, h, i, s, ms) { // setup defaults h = h || 0; i = i || 0; s = s || 0; ms = ms || 0; // Special handling for year < 100 var dt = utilDate.add(new Date(y < 100 ? 100 : y, m - 1, d, h, i, s, ms), utilDate.YEAR, y < 100 ? y - 100 : 0); return y == dt.getFullYear() && m == dt.getMonth() + 1 && d == dt.getDate() && h == dt.getHours() && i == dt.getMinutes() && s == dt.getSeconds() && ms == dt.getMilliseconds(); }, /** * Parses the passed string using the specified date format. * Note that this function expects normal calendar dates, meaning that months are 1-based (i.e. 1 = January). * The {@link #defaults} hash will be used for any date value (i.e. year, month, day, hour, minute, second or millisecond) * which cannot be found in the passed string. If a corresponding default date value has not been specified in the {@link #defaults} hash, * the current date's year, month, day or DST-adjusted zero-hour time value will be used instead. * Keep in mind that the input date string must precisely match the specified format string * in order for the parse operation to be successful (failed parse operations return a null value). * * Example: * * //dt = Fri May 25 2007 (current date) * var dt = new Date(); * * //dt = Thu May 25 2006 (today's month/day in 2006) * dt = Ext.Date.parse("2006", "Y"); * * //dt = Sun Jan 15 2006 (all date parts specified) * dt = Ext.Date.parse("2006-01-15", "Y-m-d"); * * //dt = Sun Jan 15 2006 15:20:01 * dt = Ext.Date.parse("2006-01-15 3:20:01 PM", "Y-m-d g:i:s A"); * * // attempt to parse Sun Feb 29 2006 03:20:01 in strict mode * dt = Ext.Date.parse("2006-02-29 03:20:01", "Y-m-d H:i:s", true); // returns null * * @param {String} input The raw date string. * @param {String} format The expected date string format. * @param {Boolean} [strict=false] (optional) `true` to validate date strings while parsing (i.e. prevents JavaScript Date "rollover"). * Invalid date strings will return `null` when parsed. * @return {Date} The parsed Date. */ parse : function(input, format, strict) { var p = utilDate.parseFunctions; if (p[format] == null) { utilDate.createParser(format); } return p[format].call(utilDate, input, Ext.isDefined(strict) ? strict : utilDate.useStrict); }, // Backwards compat parseDate: function(input, format, strict){ return utilDate.parse(input, format, strict); }, // private getFormatCode : function(character) { var f = utilDate.formatCodes[character]; if (f) { f = typeof f == 'function'? f() : f; utilDate.formatCodes[character] = f; // reassign function result to prevent repeated execution } // note: unknown characters are treated as literals return f || ("'" + Ext.String.escape(character) + "'"); }, // private createFormat : function(format) { var code = [], special = false, ch = '', i; for (i = 0; i < format.length; ++i) { ch = format.charAt(i); if (!special && ch == "\\") { special = true; } else if (special) { special = false; code.push("'" + Ext.String.escape(ch) + "'"); } else { code.push(utilDate.getFormatCode(ch)); } } utilDate.formatFunctions[format] = Ext.functionFactory("return " + code.join('+')); }, // private createParser : function(format) { var regexNum = utilDate.parseRegexes.length, currentGroup = 1, calc = [], regex = [], special = false, ch = "", i = 0, len = format.length, atEnd = [], obj; for (; i < len; ++i) { ch = format.charAt(i); if (!special && ch == "\\") { special = true; } else if (special) { special = false; regex.push(Ext.String.escape(ch)); } else { obj = utilDate.formatCodeToRegex(ch, currentGroup); currentGroup += obj.g; regex.push(obj.s); if (obj.g && obj.c) { if (obj.calcAtEnd) { atEnd.push(obj.c); } else { calc.push(obj.c); } } } } calc = calc.concat(atEnd); utilDate.parseRegexes[regexNum] = new RegExp("^" + regex.join('') + "$", 'i'); utilDate.parseFunctions[format] = Ext.functionFactory("input", "strict", xf(code, regexNum, calc.join(''))); }, // private parseCodes : { /* * Notes: * g = {Number} calculation group (0 or 1. only group 1 contributes to date calculations.) * c = {String} calculation method (required for group 1. null for group 0. {0} = currentGroup - position in regex result array) * s = {String} regex pattern. all matches are stored in results[], and are accessible by the calculation mapped to 'c' */ d: { g:1, c:"d = parseInt(results[{0}], 10);\n", s:"(3[0-1]|[1-2][0-9]|0[1-9])" // day of month with leading zeroes (01 - 31) }, j: { g:1, c:"d = parseInt(results[{0}], 10);\n", s:"(3[0-1]|[1-2][0-9]|[1-9])" // day of month without leading zeroes (1 - 31) }, D: function() { for (var a = [], i = 0; i < 7; a.push(utilDate.getShortDayName(i)), ++i); // get localised short day names return { g:0, c:null, s:"(?:" + a.join("|") +")" }; }, l: function() { return { g:0, c:null, s:"(?:" + utilDate.dayNames.join("|") + ")" }; }, N: { g:0, c:null, s:"[1-7]" // ISO-8601 day number (1 (monday) - 7 (sunday)) }, //<locale type="object" property="parseCodes"> S: { g:0, c:null, s:"(?:st|nd|rd|th)" }, //</locale> w: { g:0, c:null, s:"[0-6]" // JavaScript day number (0 (sunday) - 6 (saturday)) }, z: { g:1, c:"z = parseInt(results[{0}], 10);\n", s:"(\\d{1,3})" // day of the year (0 - 364 (365 in leap years)) }, W: { g:1, c:"W = parseInt(results[{0}], 10);\n", s:"(\\d{2})" // ISO-8601 week number (with leading zero) }, F: function() { return { g:1, c:"m = parseInt(me.getMonthNumber(results[{0}]), 10);\n", // get localised month number s:"(" + utilDate.monthNames.join("|") + ")" }; }, M: function() { for (var a = [], i = 0; i < 12; a.push(utilDate.getShortMonthName(i)), ++i); // get localised short month names return Ext.applyIf({ s:"(" + a.join("|") + ")" }, utilDate.formatCodeToRegex("F")); }, m: { g:1, c:"m = parseInt(results[{0}], 10) - 1;\n", s:"(1[0-2]|0[1-9])" // month number with leading zeros (01 - 12) }, n: { g:1, c:"m = parseInt(results[{0}], 10) - 1;\n", s:"(1[0-2]|[1-9])" // month number without leading zeros (1 - 12) }, t: { g:0, c:null, s:"(?:\\d{2})" // no. of days in the month (28 - 31) }, L: { g:0, c:null, s:"(?:1|0)" }, o: { g: 1, c: "y = parseInt(results[{0}], 10);\n", s: "(\\d{4})" // ISO-8601 year number (with leading zero) }, Y: { g:1, c:"y = parseInt(results[{0}], 10);\n", s:"(\\d{4})" // 4-digit year }, y: { g:1, c:"var ty = parseInt(results[{0}], 10);\n" + "y = ty > me.y2kYear ? 1900 + ty : 2000 + ty;\n", // 2-digit year s:"(\\d{1,2})" }, /* * In the am/pm parsing routines, we allow both upper and lower case * even though it doesn't exactly match the spec. It gives much more flexibility * in being able to specify case insensitive regexes. */ //<locale type="object" property="parseCodes"> a: { g:1, c:"if (/(am)/i.test(results[{0}])) {\n" + "if (!h || h == 12) { h = 0; }\n" + "} else { if (!h || h < 12) { h = (h || 0) + 12; }}", s:"(am|pm|AM|PM)", calcAtEnd: true }, //</locale> //<locale type="object" property="parseCodes"> A: { g:1, c:"if (/(am)/i.test(results[{0}])) {\n" + "if (!h || h == 12) { h = 0; }\n" + "} else { if (!h || h < 12) { h = (h || 0) + 12; }}", s:"(AM|PM|am|pm)", calcAtEnd: true }, //</locale> g: { g:1, c:"h = parseInt(results[{0}], 10);\n", s:"(1[0-2]|[0-9])" // 12-hr format of an hour without leading zeroes (1 - 12) }, G: { g:1, c:"h = parseInt(results[{0}], 10);\n", s:"(2[0-3]|1[0-9]|[0-9])" // 24-hr format of an hour without leading zeroes (0 - 23) }, h: { g:1, c:"h = parseInt(results[{0}], 10);\n", s:"(1[0-2]|0[1-9])" // 12-hr format of an hour with leading zeroes (01 - 12) }, H: { g:1, c:"h = parseInt(results[{0}], 10);\n", s:"(2[0-3]|[0-1][0-9])" // 24-hr format of an hour with leading zeroes (00 - 23) }, i: { g:1, c:"i = parseInt(results[{0}], 10);\n", s:"([0-5][0-9])" // minutes with leading zeros (00 - 59) }, s: { g:1, c:"s = parseInt(results[{0}], 10);\n", s:"([0-5][0-9])" // seconds with leading zeros (00 - 59) }, u: { g:1, c:"ms = results[{0}]; ms = parseInt(ms, 10)/Math.pow(10, ms.length - 3);\n", s:"(\\d+)" // decimal fraction of a second (minimum = 1 digit, maximum = unlimited) }, O: { g:1, c:[ "o = results[{0}];", "var sn = o.substring(0,1),", // get + / - sign "hr = o.substring(1,3)*1 + Math.floor(o.substring(3,5) / 60),", // get hours (performs minutes-to-hour conversion also, just in case) "mn = o.substring(3,5) % 60;", // get minutes "o = ((-12 <= (hr*60 + mn)/60) && ((hr*60 + mn)/60 <= 14))? (sn + Ext.String.leftPad(hr, 2, '0') + Ext.String.leftPad(mn, 2, '0')) : null;\n" // -12hrs <= GMT offset <= 14hrs ].join("\n"), s: "([+-]\\d{4})" // GMT offset in hrs and mins }, P: { g:1, c:[ "o = results[{0}];", "var sn = o.substring(0,1),", // get + / - sign "hr = o.substring(1,3)*1 + Math.floor(o.substring(4,6) / 60),", // get hours (performs minutes-to-hour conversion also, just in case) "mn = o.substring(4,6) % 60;", // get minutes "o = ((-12 <= (hr*60 + mn)/60) && ((hr*60 + mn)/60 <= 14))? (sn + Ext.String.leftPad(hr, 2, '0') + Ext.String.leftPad(mn, 2, '0')) : null;\n" // -12hrs <= GMT offset <= 14hrs ].join("\n"), s: "([+-]\\d{2}:\\d{2})" // GMT offset in hrs and mins (with colon separator) }, T: { g:0, c:null, s:"[A-Z]{1,5}" // timezone abbrev. may be between 1 - 5 chars }, Z: { g:1, c:"zz = results[{0}] * 1;\n" // -43200 <= UTC offset <= 50400 + "zz = (-43200 <= zz && zz <= 50400)? zz : null;\n", s:"([+-]?\\d{1,5})" // leading '+' sign is optional for UTC offset }, c: function() { var calc = [], arr = [ utilDate.formatCodeToRegex("Y", 1), // year utilDate.formatCodeToRegex("m", 2), // month utilDate.formatCodeToRegex("d", 3), // day utilDate.formatCodeToRegex("H", 4), // hour utilDate.formatCodeToRegex("i", 5), // minute utilDate.formatCodeToRegex("s", 6), // second {c:"ms = results[7] || '0'; ms = parseInt(ms, 10)/Math.pow(10, ms.length - 3);\n"}, // decimal fraction of a second (minimum = 1 digit, maximum = unlimited) {c:[ // allow either "Z" (i.e. UTC) or "-0530" or "+08:00" (i.e. UTC offset) timezone delimiters. assumes local timezone if no timezone is specified "if(results[8]) {", // timezone specified "if(results[8] == 'Z'){", "zz = 0;", // UTC "}else if (results[8].indexOf(':') > -1){", utilDate.formatCodeToRegex("P", 8).c, // timezone offset with colon separator "}else{", utilDate.formatCodeToRegex("O", 8).c, // timezone offset without colon separator "}", "}" ].join('\n')} ], i, l; for (i = 0, l = arr.length; i < l; ++i) { calc.push(arr[i].c); } return { g:1, c:calc.join(""), s:[ arr[0].s, // year (required) "(?:", "-", arr[1].s, // month (optional) "(?:", "-", arr[2].s, // day (optional) "(?:", "(?:T| )?", // time delimiter -- either a "T" or a single blank space arr[3].s, ":", arr[4].s, // hour AND minute, delimited by a single colon (optional). MUST be preceded by either a "T" or a single blank space "(?::", arr[5].s, ")?", // seconds (optional) "(?:(?:\\.|,)(\\d+))?", // decimal fraction of a second (e.g. ",12345" or ".98765") (optional) "(Z|(?:[-+]\\d{2}(?::)?\\d{2}))?", // "Z" (UTC) or "-0530" (UTC offset without colon delimiter) or "+08:00" (UTC offset with colon delimiter) (optional) ")?", ")?", ")?" ].join("") }; }, U: { g:1, c:"u = parseInt(results[{0}], 10);\n", s:"(-?\\d+)" // leading minus sign indicates seconds before UNIX epoch } }, //Old Ext.Date prototype methods. // private dateFormat: function(date, format) { return utilDate.format(date, format); }, /** * Compares if two dates are equal by comparing their values. * @param {Date} date1 * @param {Date} date2 * @return {Boolean} `true` if the date values are equal */ isEqual: function(date1, date2) { // check we have 2 date objects if (date1 && date2) { return (date1.getTime() === date2.getTime()); } // one or both isn't a date, only equal if both are falsey return !(date1 || date2); }, /** * Formats a date given the supplied format string. * @param {Date} date The date to format * @param {String} format The format string * @return {String} The formatted date or an empty string if date parameter is not a JavaScript Date object */ format: function(date, format) { var formatFunctions = utilDate.formatFunctions; if (!Ext.isDate(date)) { return ''; } if (formatFunctions[format] == null) { utilDate.createFormat(format); } return formatFunctions[format].call(date) + ''; }, /** * Get the timezone abbreviation of the current date (equivalent to the format specifier 'T'). * * __Note:__ The date string returned by the JavaScript Date object's `toString()` method varies * between browsers (e.g. FF vs IE) and system region settings (e.g. IE in Asia vs IE in America). * For a given date string e.g. "Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)", * getTimezone() first tries to get the timezone abbreviation from between a pair of parentheses * (which may or may not be present), failing which it proceeds to get the timezone abbreviation * from the GMT offset portion of the date string. * @param {Date} date The date * @return {String} The abbreviated timezone name (e.g. 'CST', 'PDT', 'EDT', 'MPST' ...). */ getTimezone : function(date) { // the following list shows the differences between date strings from different browsers on a WinXP SP2 machine from an Asian locale: // // Opera : "Thu, 25 Oct 2007 22:53:45 GMT+0800" -- shortest (weirdest) date string of the lot // Safari : "Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)" -- value in parentheses always gives the correct timezone (same as FF) // FF : "Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)" -- value in parentheses always gives the correct timezone // IE : "Thu Oct 25 22:54:35 UTC+0800 2007" -- (Asian system setting) look for 3-4 letter timezone abbrev // IE : "Thu Oct 25 17:06:37 PDT 2007" -- (American system setting) look for 3-4 letter timezone abbrev // // this crazy regex attempts to guess the correct timezone abbreviation despite these differences. // step 1: (?:\((.*)\) -- find timezone in parentheses // step 2: ([A-Z]{1,4})(?:[\-+][0-9]{4})?(?: -?\d+)?) -- if nothing was found in step 1, find timezone from timezone offset portion of date string // step 3: remove all non uppercase characters found in step 1 and 2 return date.toString().replace(/^.* (?:\((.*)\)|([A-Z]{1,5})(?:[\-+][0-9]{4})?(?: -?\d+)?)$/, "$1$2").replace(/[^A-Z]/g, ""); }, /** * Get the offset from GMT of the current date (equivalent to the format specifier 'O'). * @param {Date} date The date * @param {Boolean} [colon=false] (optional) true to separate the hours and minutes with a colon. * @return {String} The 4-character offset string prefixed with + or - (e.g. '-0600'). */ getGMTOffset : function(date, colon) { var offset = date.getTimezoneOffset(); return (offset > 0 ? "-" : "+") + Ext.String.leftPad(Math.floor(Math.abs(offset) / 60), 2, "0") + (colon ? ":" : "") + Ext.String.leftPad(Math.abs(offset % 60), 2, "0"); }, /** * Get the numeric day number of the year, adjusted for leap year. * @param {Date} date The date * @return {Number} 0 to 364 (365 in leap years). */ getDayOfYear: function(date) { var num = 0, d = Ext.Date.clone(date), m = date.getMonth(), i; for (i = 0, d.setDate(1), d.setMonth(0); i < m; d.setMonth(++i)) { num += utilDate.getDaysInMonth(d); } return num + date.getDate() - 1; }, /** * Get the numeric ISO-8601 week number of the year. * (equivalent to the format specifier 'W', but without a leading zero). * @param {Date} date The date * @return {Number} 1 to 53 * @method */ getWeekOfYear : (function() { // adapted from http://www.merlyn.demon.co.uk/weekcalc.htm var ms1d = 864e5, // milliseconds in a day ms7d = 7 * ms1d; // milliseconds in a week return function(date) { // return a closure so constants get calculated only once var DC3 = Date.UTC(date.getFullYear(), date.getMonth(), date.getDate() + 3) / ms1d, // an Absolute Day Number AWN = Math.floor(DC3 / 7), // an Absolute Week Number Wyr = new Date(AWN * ms7d).getUTCFullYear(); return AWN - Math.floor(Date.UTC(Wyr, 0, 7) / ms7d) + 1; }; }()), /** * Checks if the current date falls within a leap year. * @param {Date} date The date * @return {Boolean} True if the current date falls within a leap year, false otherwise. */ isLeapYear : function(date) { var year = date.getFullYear(); return !!((year & 3) == 0 && (year % 100 || (year % 400 == 0 && year))); }, /** * Get the first day of the current month, adjusted for leap year. The returned value * is the numeric day index within the week (0-6) which can be used in conjunction with * the {@link #monthNames} array to retrieve the textual day name. * * Example: * * var dt = new Date('1/10/2007'), * firstDay = Ext.Date.getFirstDayOfMonth(dt); * console.log(Ext.Date.dayNames[firstDay]); // output: 'Monday' * * @param {Date} date The date * @return {Number} The day number (0-6). */ getFirstDayOfMonth : function(date) { var day = (date.getDay() - (date.getDate() - 1)) % 7; return (day < 0) ? (day + 7) : day; }, /** * Get the last day of the current month, adjusted for leap year. The returned value * is the numeric day index within the week (0-6) which can be used in conjunction with * the {@link #monthNames} array to retrieve the textual day name. * * Example: * * var dt = new Date('1/10/2007'), * lastDay = Ext.Date.getLastDayOfMonth(dt); * console.log(Ext.Date.dayNames[lastDay]); // output: 'Wednesday' * * @param {Date} date The date * @return {Number} The day number (0-6). */ getLastDayOfMonth : function(date) { return utilDate.getLastDateOfMonth(date).getDay(); }, /** * Get the date of the first day of the month in which this date resides. * @param {Date} date The date * @return {Date} */ getFirstDateOfMonth : function(date) { return new Date(date.getFullYear(), date.getMonth(), 1); }, /** * Get the date of the last day of the month in which this date resides. * @param {Date} date The date * @return {Date} */ getLastDateOfMonth : function(date) { return new Date(date.getFullYear(), date.getMonth(), utilDate.getDaysInMonth(date)); }, /** * Get the number of days in the current month, adjusted for leap year. * @param {Date} date The date * @return {Number} The number of days in the month. * @method */ getDaysInMonth: (function() { var daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; return function(date) { // return a closure for efficiency var m = date.getMonth(); return m == 1 && utilDate.isLeapYear(date) ? 29 : daysInMonth[m]; }; }()), //<locale type="function"> /** * Get the English ordinal suffix of the current day (equivalent to the format specifier 'S'). * @param {Date} date The date * @return {String} 'st, 'nd', 'rd' or 'th'. */ getSuffix : function(date) { switch (date.getDate()) { case 1: case 21: case 31: return "st"; case 2: case 22: return "nd"; case 3: case 23: return "rd"; default: return "th"; } }, //</locale> /** * Creates and returns a new Date instance with the exact same date value as the called instance. * Dates are copied and passed by reference, so if a copied date variable is modified later, the original * variable will also be changed. When the intention is to create a new variable that will not * modify the original instance, you should create a clone. * * Example of correctly cloning a date: * * //wrong way: * var orig = new Date('10/1/2006'); * var copy = orig; * copy.setDate(5); * console.log(orig); // returns 'Thu Oct 05 2006'! * * //correct way: * var orig = new Date('10/1/2006'), * copy = Ext.Date.clone(orig); * copy.setDate(5); * console.log(orig); // returns 'Thu Oct 01 2006' * * @param {Date} date The date. * @return {Date} The new Date instance. */ clone : function(date) { return new Date(date.getTime()); }, /** * Checks if the current date is affected by Daylight Saving Time (DST). * @param {Date} date The date * @return {Boolean} `true` if the current date is affected by DST. */ isDST : function(date) { // adapted from http://sencha.com/forum/showthread.php?p=247172#post247172 // courtesy of @geoffrey.mcgill return new Date(date.getFullYear(), 0, 1).getTimezoneOffset() != date.getTimezoneOffset(); }, /** * Attempts to clear all time information from this Date by setting the time to midnight of the same day, * automatically adjusting for Daylight Saving Time (DST) where applicable. * * __Note:__ DST timezone information for the browser's host operating system is assumed to be up-to-date. * @param {Date} date The date * @param {Boolean} [clone=false] `true` to create a clone of this date, clear the time and return it. * @return {Date} this or the clone. */ clearTime : function(date, clone) { if (clone) { return Ext.Date.clearTime(Ext.Date.clone(date)); } // get current date before clearing time var d = date.getDate(), hr, c; // clear time date.setHours(0); date.setMinutes(0); date.setSeconds(0); date.setMilliseconds(0); if (date.getDate() != d) { // account for DST (i.e. day of month changed when setting hour = 0) // note: DST adjustments are assumed to occur in multiples of 1 hour (this is almost always the case) // refer to http://www.timeanddate.com/time/aboutdst.html for the (rare) exceptions to this rule // increment hour until cloned date == current date for (hr = 1, c = utilDate.add(date, Ext.Date.HOUR, hr); c.getDate() != d; hr++, c = utilDate.add(date, Ext.Date.HOUR, hr)); date.setDate(d); date.setHours(c.getHours()); } return date; }, /** * Provides a convenient method for performing basic date arithmetic. This method * does not modify the Date instance being called - it creates and returns * a new Date instance containing the resulting date value. * * Examples: * * // Basic usage: * var dt = Ext.Date.add(new Date('10/29/2006'), Ext.Date.DAY, 5); * console.log(dt); // returns 'Fri Nov 03 2006 00:00:00' * * // Negative values will be subtracted: * var dt2 = Ext.Date.add(new Date('10/1/2006'), Ext.Date.DAY, -5); * console.log(dt2); // returns 'Tue Sep 26 2006 00:00:00' * * // Decimal values can be used: * var dt3 = Ext.Date.add(new Date('10/1/2006'), Ext.Date.DAY, 1.25); * console.log(dt3); // returns 'Mon Oct 02 2006 06:00:00' * * @param {Date} date The date to modify * @param {String} interval A valid date interval enum value. * @param {Number} value The amount to add to the current date. * @return {Date} The new Date instance. */ add : function(date, interval, value) { var d = Ext.Date.clone(date), Date = Ext.Date, day, decimalValue, base = 0; if (!interval || value === 0) { return d; } decimalValue = value - parseInt(value, 10); value = parseInt(value, 10); if (value) { switch(interval.toLowerCase()) { // See EXTJSIV-7418. We use setTime() here to deal with issues related to // the switchover that occurs when changing to daylight savings and vice // versa. setTime() handles this correctly where setHour/Minute/Second/Millisecond // do not. Let's assume the DST change occurs at 2am and we're incrementing using add // for 15 minutes at time. When entering DST, we should see: // 01:30am // 01:45am // 03:00am // skip 2am because the hour does not exist // ... // Similarly, leaving DST, we should see: // 01:30am // 01:45am // 01:00am // repeat 1am because that's the change over // 01:30am // 01:45am // 02:00am // .... // case Ext.Date.MILLI: d.setTime(d.getTime() + value); break; case Ext.Date.SECOND: d.setTime(d.getTime() + value * 1000); break; case Ext.Date.MINUTE: d.setTime(d.getTime() + value * 60 * 1000); break; case Ext.Date.HOUR: d.setTime(d.getTime() + value * 60 * 60 * 1000); break; case Ext.Date.DAY: d.setDate(d.getDate() + value); break; case Ext.Date.MONTH: day = date.getDate(); if (day > 28) { day = Math.min(day, Ext.Date.getLastDateOfMonth(Ext.Date.add(Ext.Date.getFirstDateOfMonth(date), Ext.Date.MONTH, value)).getDate()); } d.setDate(day); d.setMonth(date.getMonth() + value); break; case Ext.Date.YEAR: day = date.getDate(); if (day > 28) { day = Math.min(day, Ext.Date.getLastDateOfMonth(Ext.Date.add(Ext.Date.getFirstDateOfMonth(date), Ext.Date.YEAR, value)).getDate()); } d.setDate(day); d.setFullYear(date.getFullYear() + value); break; } } if (decimalValue) { switch (interval.toLowerCase()) { case Ext.Date.MILLI: base = 1; break; case Ext.Date.SECOND: base = 1000; break; case Ext.Date.MINUTE: base = 1000*60; break; case Ext.Date.HOUR: base = 1000*60*60; break; case Ext.Date.DAY: base = 1000*60*60*24; break; case Ext.Date.MONTH: day = utilDate.getDaysInMonth(d); base = 1000*60*60*24*day; break; case Ext.Date.YEAR: day = (utilDate.isLeapYear(d) ? 366 : 365); base = 1000*60*60*24*day; break; } if (base) { d.setTime(d.getTime() + base * decimalValue); } } return d; }, /** * Provides a convenient method for performing basic date arithmetic. This method * does not modify the Date instance being called - it creates and returns * a new Date instance containing the resulting date value. * * Examples: * * // Basic usage: * var dt = Ext.Date.subtract(new Date('10/29/2006'), Ext.Date.DAY, 5); * console.log(dt); // returns 'Tue Oct 24 2006 00:00:00' * * // Negative values will be added: * var dt2 = Ext.Date.subtract(new Date('10/1/2006'), Ext.Date.DAY, -5); * console.log(dt2); // returns 'Fri Oct 6 2006 00:00:00' * * // Decimal values can be used: * var dt3 = Ext.Date.subtract(new Date('10/1/2006'), Ext.Date.DAY, 1.25); * console.log(dt3); // returns 'Fri Sep 29 2006 06:00:00' * * @param {Date} date The date to modify * @param {String} interval A valid date interval enum value. * @param {Number} value The amount to subtract from the current date. * @return {Date} The new Date instance. */ subtract: function(date, interval, value){ return utilDate.add(date, interval, -value); }, /** * Checks if a date falls on or between the given start and end dates. * @param {Date} date The date to check * @param {Date} start Start date * @param {Date} end End date * @return {Boolean} `true` if this date falls on or between the given start and end dates. */ between : function(date, start, end) { var t = date.getTime(); return start.getTime() <= t && t <= end.getTime(); }, //Maintains compatibility with old static and prototype window.Date methods. compat: function() { var nativeDate = window.Date, p, statics = ['useStrict', 'formatCodeToRegex', 'parseFunctions', 'parseRegexes', 'formatFunctions', 'y2kYear', 'MILLI', 'SECOND', 'MINUTE', 'HOUR', 'DAY', 'MONTH', 'YEAR', 'defaults', 'dayNames', 'monthNames', 'monthNumbers', 'getShortMonthName', 'getShortDayName', 'getMonthNumber', 'formatCodes', 'isValid', 'parseDate', 'getFormatCode', 'createFormat', 'createParser', 'parseCodes'], proto = ['dateFormat', 'format', 'getTimezone', 'getGMTOffset', 'getDayOfYear', 'getWeekOfYear', 'isLeapYear', 'getFirstDayOfMonth', 'getLastDayOfMonth', 'getDaysInMonth', 'getSuffix', 'clone', 'isDST', 'clearTime', 'add', 'between'], sLen = statics.length, pLen = proto.length, stat, prot, s; //Append statics for (s = 0; s < sLen; s++) { stat = statics[s]; nativeDate[stat] = utilDate[stat]; } //Append to prototype for (p = 0; p < pLen; p++) { prot = proto[p]; nativeDate.prototype[prot] = function() { var args = Array.prototype.slice.call(arguments); args.unshift(this); return utilDate[prot].apply(utilDate, args); }; } } }); };