dojo.provide("dojox.date.posix"); dojo.require("dojo.date"); dojo.require("dojo.date.locale"); dojo.require("dojo.string"); dojox.date.posix.strftime = function(/*Date*/dateObject, /*String*/format, /*String?*/locale){ // // summary: // Formats the date object using the specifications of the POSIX strftime function // // description: // see http://www.opengroup.org/onlinepubs/007908799/xsh/strftime.html // zero pad var padChar = null; var _ = function(s, n){ return dojo.string.pad(s, n || 2, padChar || "0"); }; var bundle = dojo.date.locale._getGregorianBundle(locale); var $ = function(property){ switch(property){ case "a": // abbreviated weekday name according to the current locale return dojo.date.locale.getNames('days', 'abbr', 'format', locale)[dateObject.getDay()]; case "A": // full weekday name according to the current locale return dojo.date.locale.getNames('days', 'wide', 'format', locale)[dateObject.getDay()]; case "b": case "h": // abbreviated month name according to the current locale return dojo.date.locale.getNames('months', 'abbr', 'format', locale)[dateObject.getMonth()]; case "B": // full month name according to the current locale return dojo.date.locale.getNames('months', 'wide', 'format', locale)[dateObject.getMonth()]; case "c": // preferred date and time representation for the current // locale return dojo.date.locale.format(dateObject, {formatLength: 'full', locale: locale}); case "C": // century number (the year divided by 100 and truncated // to an integer, range 00 to 99) return _(Math.floor(dateObject.getFullYear()/100)); case "d": // day of the month as a decimal number (range 01 to 31) return _(dateObject.getDate()); case "D": // same as %m/%d/%y return $("m") + "/" + $("d") + "/" + $("y"); case "e": // day of the month as a decimal number, a single digit is // preceded by a space (range ' 1' to '31') if(padChar == null){ padChar = " "; } return _(dateObject.getDate()); case "f": // month as a decimal number, a single digit is // preceded by a space (range ' 1' to '12') if(padChar == null){ padChar = " "; } return _(dateObject.getMonth()+1); case "g": // like %G, but without the century. break; case "G": // The 4-digit year corresponding to the ISO week number // (see %V). This has the same format and value as %Y, // except that if the ISO week number belongs to the // previous or next year, that year is used instead. dojo.unimplemented("unimplemented modifier 'G'"); break; case "F": // same as %Y-%m-%d return $("Y") + "-" + $("m") + "-" + $("d"); case "H": // hour as a decimal number using a 24-hour clock (range // 00 to 23) return _(dateObject.getHours()); case "I": // hour as a decimal number using a 12-hour clock (range // 01 to 12) return _(dateObject.getHours() % 12 || 12); case "j": // day of the year as a decimal number (range 001 to 366) return _(dojo.date.locale._getDayOfYear(dateObject), 3); case "k": // Hour as a decimal number using a 24-hour clock (range // 0 to 23 (space-padded)) if(padChar == null){ padChar = " "; } return _(dateObject.getHours()); case "l": // Hour as a decimal number using a 12-hour clock (range // 1 to 12 (space-padded)) if(padChar == null){ padChar = " "; } return _(dateObject.getHours() % 12 || 12); case "m": // month as a decimal number (range 01 to 12) return _(dateObject.getMonth() + 1); case "M": // minute as a decimal number return _(dateObject.getMinutes()); case "n": return "\n"; case "p": // either `am' or `pm' according to the given time value, // or the corresponding strings for the current locale return bundle[dateObject.getHours() < 12 ? "am" : "pm"]; case "r": // time in a.m. and p.m. notation return $("I") + ":" + $("M") + ":" + $("S") + " " + $("p"); case "R": // time in 24 hour notation return $("H") + ":" + $("M"); case "S": // second as a decimal number return _(dateObject.getSeconds()); case "t": return "\t"; case "T": // current time, equal to %H:%M:%S return $("H") + ":" + $("M") + ":" + $("S"); case "u": // weekday as a decimal number [1,7], with 1 representing // Monday return String(dateObject.getDay() || 7); case "U": // week number of the current year as a decimal number, // starting with the first Sunday as the first day of the // first week return _(dojo.date.locale._getWeekOfYear(dateObject)); case "V": // week number of the year (Monday as the first day of the // week) as a decimal number [01,53]. If the week containing // 1 January has four or more days in the new year, then it // is considered week 1. Otherwise, it is the last week of // the previous year, and the next week is week 1. return _(dojox.date.posix.getIsoWeekOfYear(dateObject)); case "W": // week number of the current year as a decimal number, // starting with the first Monday as the first day of the // first week return _(dojo.date.locale._getWeekOfYear(dateObject, 1)); case "w": // day of the week as a decimal, Sunday being 0 return String(dateObject.getDay()); case "x": // preferred date representation for the current locale // without the time return dojo.date.locale.format(dateObject, {selector:'date', formatLength: 'full', locale:locale}); case "X": // preferred time representation for the current locale // without the date return dojo.date.locale.format(dateObject, {selector:'time', formatLength: 'full', locale:locale}); case "y": // year as a decimal number without a century (range 00 to // 99) return _(dateObject.getFullYear()%100); case "Y": // year as a decimal number including the century return String(dateObject.getFullYear()); case "z": // time zone or name or abbreviation var timezoneOffset = dateObject.getTimezoneOffset(); return (timezoneOffset > 0 ? "-" : "+") + _(Math.floor(Math.abs(timezoneOffset)/60)) + ":" + _(Math.abs(timezoneOffset)%60); case "Z": // time zone or name or abbreviation return dojo.date.getTimezoneName(dateObject); case "%": return "%"; } }; // parse the formatting string and construct the resulting string var string = ""; var i = 0; var index = 0; var switchCase = null; while ((index = format.indexOf("%", i)) != -1){ string += format.substring(i, index++); // inspect modifier flag switch (format.charAt(index++)) { case "_": // Pad a numeric result string with spaces. padChar = " "; break; case "-": // Do not pad a numeric result string. padChar = ""; break; case "0": // Pad a numeric result string with zeros. padChar = "0"; break; case "^": // Convert characters in result string to uppercase. switchCase = "upper"; break; case "*": // Convert characters in result string to lowercase switchCase = "lower"; break; case "#": // Swap the case of the result string. switchCase = "swap"; break; default: // no modifier flag so decrement the index padChar = null; index--; break; } // toggle case if a flag is set var property = $(format.charAt(index++)); switch (switchCase){ case "upper": property = property.toUpperCase(); break; case "lower": property = property.toLowerCase(); break; case "swap": // Upper to lower, and versey-vicea var compareString = property.toLowerCase(); var swapString = ''; var ch = ''; for (var j = 0; j < property.length; j++){ ch = property.charAt(j); swapString += (ch == compareString.charAt(j)) ? ch.toUpperCase() : ch.toLowerCase(); } property = swapString; break; default: break; } switchCase = null; string += property; i = index; } string += format.substring(i); return string; // String }; dojox.date.posix.getStartOfWeek = function(/*Date*/dateObject, /*Number*/firstDay){ // summary: Return a date object representing the first day of the given // date's week. if(isNaN(firstDay)){ firstDay = dojo.cldr.supplemental.getFirstDayOfWeek ? dojo.cldr.supplemental.getFirstDayOfWeek() : 0; } var offset = firstDay; if(dateObject.getDay() >= firstDay){ offset -= dateObject.getDay(); }else{ offset -= (7 - dateObject.getDay()); } var date = new Date(dateObject); date.setHours(0, 0, 0, 0); return dojo.date.add(date, "day", offset); // Date } dojox.date.posix.setIsoWeekOfYear = function(/*Date*/dateObject, /*Number*/week){ // summary: Set the ISO8601 week number of the given date. // The week containing January 4th is the first week of the year. // week: // can be positive or negative: -1 is the year's last week. if(!week){ return dateObject; } var currentWeek = dojox.date.posix.getIsoWeekOfYear(dateObject); var offset = week - currentWeek; if(week < 0){ var weeks = dojox.date.posix.getIsoWeeksInYear(dateObject); offset = (weeks + week + 1) - currentWeek; } return dojo.date.add(dateObject, "week", offset); // Date } dojox.date.posix.getIsoWeekOfYear = function(/*Date*/dateObject){ // summary: Get the ISO8601 week number of the given date. // The week containing January 4th is the first week of the year. // See http://en.wikipedia.org/wiki/ISO_week_date var weekStart = dojox.date.posix.getStartOfWeek(dateObject, 1); var yearStart = new Date(dateObject.getFullYear(), 0, 4); // January 4th yearStart = dojox.date.posix.getStartOfWeek(yearStart, 1); var diff = weekStart.getTime() - yearStart.getTime(); if(diff < 0){ return dojox.date.posix.getIsoWeeksInYear(weekStart); } // Integer return Math.ceil(diff / 604800000) + 1; // Integer } dojox.date.posix.getIsoWeeksInYear = function(/*Date*/dateObject) { // summary: Determine the number of ISO8601 weeks in the year of the given // date. Most years have 52 but some have 53. // See http://www.phys.uu.nl/~vgent/calendar/isocalendar_text3.htm function p(y) { return y + Math.floor(y/4) - Math.floor(y/100) + Math.floor(y/400); } var y = dateObject.getFullYear(); return ( p(y) % 7 == 4 || p(y-1) % 7 == 3 ) ? 53 : 52; // Integer }