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Diffstat (limited to 'includes/js/dojo/date/locale.js')
| -rw-r--r-- | includes/js/dojo/date/locale.js | 656 |
1 files changed, 656 insertions, 0 deletions
diff --git a/includes/js/dojo/date/locale.js b/includes/js/dojo/date/locale.js new file mode 100644 index 0000000..e72f643 --- /dev/null +++ b/includes/js/dojo/date/locale.js @@ -0,0 +1,656 @@ +if(!dojo._hasResource["dojo.date.locale"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.date.locale"] = true; +dojo.provide("dojo.date.locale"); + +// Localization methods for Date. Honor local customs using locale-dependent dojo.cldr data. + +dojo.require("dojo.date"); +dojo.require("dojo.cldr.supplemental"); +dojo.require("dojo.regexp"); +dojo.require("dojo.string"); +dojo.require("dojo.i18n"); + +// Load the bundles containing localization information for +// names and formats +dojo.requireLocalization("dojo.cldr", "gregorian", null, "zh-cn,zh,en-ca,ko-kr,pt,pt-br,it-it,ROOT,en-gb,de,ja,en,en-au,fr,es,ko,zh-tw,it,es-es"); + +//NOTE: Everything in this module assumes Gregorian calendars. +// Other calendars will be implemented in separate modules. + +(function(){ + // Format a pattern without literals + function formatPattern(dateObject, bundle, fullYear, pattern){ + return pattern.replace(/([a-z])\1*/ig, function(match){ + var s, pad; + var c = match.charAt(0); + var l = match.length; + var widthList = ["abbr", "wide", "narrow"]; + switch(c){ + case 'G': + s = bundle[(l < 4) ? "eraAbbr" : "eraNames"][dateObject.getFullYear() < 0 ? 0 : 1]; + break; + case 'y': + s = dateObject.getFullYear(); + switch(l){ + case 1: + break; + case 2: + if(!fullYear){ + s = String(s); s = s.substr(s.length - 2); + break; + } + // fallthrough + default: + pad = true; + } + break; + case 'Q': + case 'q': + s = Math.ceil((dateObject.getMonth()+1)/3); +// switch(l){ +// case 1: case 2: + pad = true; +// break; +// case 3: case 4: // unimplemented +// } + break; + case 'M': + case 'L': + var m = dateObject.getMonth(); + var widthM; + switch(l){ + case 1: case 2: + s = m+1; pad = true; + break; + case 3: case 4: case 5: + widthM = widthList[l-3]; + break; + } + if(widthM){ + var typeM = (c == "L") ? "standalone" : "format"; + var propM = ["months", typeM, widthM].join("-"); + s = bundle[propM][m]; + } + break; + case 'w': + var firstDay = 0; + s = dojo.date.locale._getWeekOfYear(dateObject, firstDay); pad = true; + break; + case 'd': + s = dateObject.getDate(); pad = true; + break; + case 'D': + s = dojo.date.locale._getDayOfYear(dateObject); pad = true; + break; + case 'E': + case 'e': + case 'c': // REVIEW: don't see this in the spec? + var d = dateObject.getDay(); + var widthD; + switch(l){ + case 1: case 2: + if(c == 'e'){ + var first = dojo.cldr.supplemental.getFirstDayOfWeek(options.locale); + d = (d-first+7)%7; + } + if(c != 'c'){ + s = d+1; pad = true; + break; + } + // else fallthrough... + case 3: case 4: case 5: + widthD = widthList[l-3]; + break; + } + if(widthD){ + var typeD = (c == "c") ? "standalone" : "format"; + var propD = ["days", typeD, widthD].join("-"); + s = bundle[propD][d]; + } + break; + case 'a': + var timePeriod = (dateObject.getHours() < 12) ? 'am' : 'pm'; + s = bundle[timePeriod]; + break; + case 'h': + case 'H': + case 'K': + case 'k': + var h = dateObject.getHours(); + // strange choices in the date format make it impossible to write this succinctly + switch (c){ + case 'h': // 1-12 + s = (h % 12) || 12; + break; + case 'H': // 0-23 + s = h; + break; + case 'K': // 0-11 + s = (h % 12); + break; + case 'k': // 1-24 + s = h || 24; + break; + } + pad = true; + break; + case 'm': + s = dateObject.getMinutes(); pad = true; + break; + case 's': + s = dateObject.getSeconds(); pad = true; + break; + case 'S': + s = Math.round(dateObject.getMilliseconds() * Math.pow(10, l-3)); pad = true; + break; + case 'v': // FIXME: don't know what this is. seems to be same as z? + case 'z': + // We only have one timezone to offer; the one from the browser + s = dojo.date.getTimezoneName(dateObject); + if(s){break;} + l=4; + // fallthrough... use GMT if tz not available + case 'Z': + var offset = dateObject.getTimezoneOffset(); + var tz = [ + (offset<=0 ? "+" : "-"), + dojo.string.pad(Math.floor(Math.abs(offset)/60), 2), + dojo.string.pad(Math.abs(offset)% 60, 2) + ]; + if(l==4){ + tz.splice(0, 0, "GMT"); + tz.splice(3, 0, ":"); + } + s = tz.join(""); + break; +// case 'Y': case 'u': case 'W': case 'F': case 'g': case 'A': +// console.debug(match+" modifier unimplemented"); + default: + throw new Error("dojo.date.locale.format: invalid pattern char: "+pattern); + } + if(pad){ s = dojo.string.pad(s, l); } + return s; + }); + } + +/*===== + dojo.date.locale.__FormatOptions = function(){ + // selector: String + // choice of 'time','date' (default: date and time) + // formatLength: String + // choice of long, short, medium or full (plus any custom additions). Defaults to 'short' + // datePattern:String + // override pattern with this string + // timePattern:String + // override pattern with this string + // am: String + // override strings for am in times + // pm: String + // override strings for pm in times + // locale: String + // override the locale used to determine formatting rules + // fullYear: Boolean + // (format only) use 4 digit years whenever 2 digit years are called for + // strict: Boolean + // (parse only) strict parsing, off by default + this.selector = selector; + this.formatLength = formatLength; + this.datePattern = datePattern; + this.timePattern = timePattern; + this.am = am; + this.pm = pm; + this.locale = locale; + this.fullYear = fullYear; + this.strict = strict; + } +=====*/ + +dojo.date.locale.format = function(/*Date*/dateObject, /*dojo.date.locale.__FormatOptions?*/options){ + // summary: + // Format a Date object as a String, using locale-specific settings. + // + // description: + // Create a string from a Date object using a known localized pattern. + // By default, this method formats both date and time from dateObject. + // Formatting patterns are chosen appropriate to the locale. Different + // formatting lengths may be chosen, with "full" used by default. + // Custom patterns may be used or registered with translations using + // the dojo.date.locale.addCustomFormats method. + // Formatting patterns are implemented using [the syntax described at + // unicode.org](http://www.unicode.org/reports/tr35/tr35-4.html#Date_Format_Patterns) + // + // dateObject: + // the date and/or time to be formatted. If a time only is formatted, + // the values in the year, month, and day fields are irrelevant. The + // opposite is true when formatting only dates. + + options = options || {}; + + var locale = dojo.i18n.normalizeLocale(options.locale); + var formatLength = options.formatLength || 'short'; + var bundle = dojo.date.locale._getGregorianBundle(locale); + var str = []; + var sauce = dojo.hitch(this, formatPattern, dateObject, bundle, options.fullYear); + if(options.selector == "year"){ + // Special case as this is not yet driven by CLDR data + var year = dateObject.getFullYear(); + if(locale.match(/^zh|^ja/)){ + year += "\u5E74"; + } + return year; + } + if(options.selector != "time"){ + var datePattern = options.datePattern || bundle["dateFormat-"+formatLength]; + if(datePattern){str.push(_processPattern(datePattern, sauce));} + } + if(options.selector != "date"){ + var timePattern = options.timePattern || bundle["timeFormat-"+formatLength]; + if(timePattern){str.push(_processPattern(timePattern, sauce));} + } + var result = str.join(" "); //TODO: use locale-specific pattern to assemble date + time + return result; // String +}; + +dojo.date.locale.regexp = function(/*dojo.date.locale.__FormatOptions?*/options){ + // summary: + // Builds the regular needed to parse a localized date + + return dojo.date.locale._parseInfo(options).regexp; // String +}; + +dojo.date.locale._parseInfo = function(/*dojo.date.locale.__FormatOptions?*/options){ + options = options || {}; + var locale = dojo.i18n.normalizeLocale(options.locale); + var bundle = dojo.date.locale._getGregorianBundle(locale); + var formatLength = options.formatLength || 'short'; + var datePattern = options.datePattern || bundle["dateFormat-" + formatLength]; + var timePattern = options.timePattern || bundle["timeFormat-" + formatLength]; + var pattern; + if(options.selector == 'date'){ + pattern = datePattern; + }else if(options.selector == 'time'){ + pattern = timePattern; + }else{ + pattern = datePattern + ' ' + timePattern; //TODO: use locale-specific pattern to assemble date + time + } + + var tokens = []; + var re = _processPattern(pattern, dojo.hitch(this, _buildDateTimeRE, tokens, bundle, options)); + return {regexp: re, tokens: tokens, bundle: bundle}; +}; + +dojo.date.locale.parse = function(/*String*/value, /*dojo.date.locale.__FormatOptions?*/options){ + // summary: + // Convert a properly formatted string to a primitive Date object, + // using locale-specific settings. + // + // description: + // Create a Date object from a string using a known localized pattern. + // By default, this method parses looking for both date and time in the string. + // Formatting patterns are chosen appropriate to the locale. Different + // formatting lengths may be chosen, with "full" used by default. + // Custom patterns may be used or registered with translations using + // the dojo.date.locale.addCustomFormats method. + // + // Formatting patterns are implemented using [the syntax described at + // unicode.org](http://www.unicode.org/reports/tr35/tr35-4.html#Date_Format_Patterns) + // When two digit years are used, a century is chosen according to a sliding + // window of 80 years before and 20 years after present year, for both `yy` and `yyyy` patterns. + // year < 100CE requires strict mode. + // + // value: + // A string representation of a date + + var info = dojo.date.locale._parseInfo(options); + var tokens = info.tokens, bundle = info.bundle; + var re = new RegExp("^" + info.regexp + "$"); + var match = re.exec(value); + if(!match){ return null; } // null + + var widthList = ['abbr', 'wide', 'narrow']; + var result = [1970,0,1,0,0,0,0]; // will get converted to a Date at the end + var amPm = ""; + var valid = dojo.every(match, function(v, i){ + if(!i){return true;} + var token=tokens[i-1]; + var l=token.length; + switch(token.charAt(0)){ + case 'y': + if(l != 2 && options.strict){ + //interpret year literally, so '5' would be 5 A.D. + result[0] = v; + }else{ + if(v<100){ + v = Number(v); + //choose century to apply, according to a sliding window + //of 80 years before and 20 years after present year + var year = '' + new Date().getFullYear(); + var century = year.substring(0, 2) * 100; + var cutoff = Math.min(Number(year.substring(2, 4)) + 20, 99); + var num = (v < cutoff) ? century + v : century - 100 + v; + result[0] = num; + }else{ + //we expected 2 digits and got more... + if(options.strict){ + return false; + } + //interpret literally, so '150' would be 150 A.D. + //also tolerate '1950', if 'yyyy' input passed to 'yy' format + result[0] = v; + } + } + break; + case 'M': + if(l>2){ + var months = bundle['months-format-' + widthList[l-3]].concat(); + if(!options.strict){ + //Tolerate abbreviating period in month part + //Case-insensitive comparison + v = v.replace(".","").toLowerCase(); + months = dojo.map(months, function(s){ return s.replace(".","").toLowerCase(); } ); + } + v = dojo.indexOf(months, v); + if(v == -1){ +// console.debug("dojo.date.locale.parse: Could not parse month name: '" + v + "'."); + return false; + } + }else{ + v--; + } + result[1] = v; + break; + case 'E': + case 'e': + var days = bundle['days-format-' + widthList[l-3]].concat(); + if(!options.strict){ + //Case-insensitive comparison + v = v.toLowerCase(); + days = dojo.map(days, function(d){return d.toLowerCase();}); + } + v = dojo.indexOf(days, v); + if(v == -1){ +// console.debug("dojo.date.locale.parse: Could not parse weekday name: '" + v + "'."); + return false; + } + + //TODO: not sure what to actually do with this input, + //in terms of setting something on the Date obj...? + //without more context, can't affect the actual date + //TODO: just validate? + break; + case 'D': + result[1] = 0; + // fallthrough... + case 'd': + result[2] = v; + break; + case 'a': //am/pm + var am = options.am || bundle.am; + var pm = options.pm || bundle.pm; + if(!options.strict){ + var period = /\./g; + v = v.replace(period,'').toLowerCase(); + am = am.replace(period,'').toLowerCase(); + pm = pm.replace(period,'').toLowerCase(); + } + if(options.strict && v != am && v != pm){ +// console.debug("dojo.date.locale.parse: Could not parse am/pm part."); + return false; + } + + // we might not have seen the hours field yet, so store the state and apply hour change later + amPm = (v == pm) ? 'p' : (v == am) ? 'a' : ''; + break; + case 'K': //hour (1-24) + if(v == 24){ v = 0; } + // fallthrough... + case 'h': //hour (1-12) + case 'H': //hour (0-23) + case 'k': //hour (0-11) + //TODO: strict bounds checking, padding + if(v > 23){ +// console.debug("dojo.date.locale.parse: Illegal hours value"); + return false; + } + + //in the 12-hour case, adjusting for am/pm requires the 'a' part + //which could come before or after the hour, so we will adjust later + result[3] = v; + break; + case 'm': //minutes + result[4] = v; + break; + case 's': //seconds + result[5] = v; + break; + case 'S': //milliseconds + result[6] = v; +// break; +// case 'w': +//TODO var firstDay = 0; +// default: +//TODO: throw? +// console.debug("dojo.date.locale.parse: unsupported pattern char=" + token.charAt(0)); + } + return true; + }); + + var hours = +result[3]; + if(amPm === 'p' && hours < 12){ + result[3] = hours + 12; //e.g., 3pm -> 15 + }else if(amPm === 'a' && hours == 12){ + result[3] = 0; //12am -> 0 + } + + //TODO: implement a getWeekday() method in order to test + //validity of input strings containing 'EEE' or 'EEEE'... + + var dateObject = new Date(result[0], result[1], result[2], result[3], result[4], result[5], result[6]); // Date + if(options.strict){ + dateObject.setFullYear(result[0]); + } + + // Check for overflow. The Date() constructor normalizes things like April 32nd... + //TODO: why isn't this done for times as well? + var allTokens = tokens.join(""); + if(!valid || + (allTokens.indexOf('M') != -1 && dateObject.getMonth() != result[1]) || + (allTokens.indexOf('d') != -1 && dateObject.getDate() != result[2])){ + return null; + } + + return dateObject; // Date +}; + +function _processPattern(pattern, applyPattern, applyLiteral, applyAll){ + //summary: Process a pattern with literals in it + + // Break up on single quotes, treat every other one as a literal, except '' which becomes ' + var identity = function(x){return x;}; + applyPattern = applyPattern || identity; + applyLiteral = applyLiteral || identity; + applyAll = applyAll || identity; + + //split on single quotes (which escape literals in date format strings) + //but preserve escaped single quotes (e.g., o''clock) + var chunks = pattern.match(/(''|[^'])+/g); + var literal = false; + + dojo.forEach(chunks, function(chunk, i){ + if(!chunk){ + chunks[i]=''; + }else{ + chunks[i]=(literal ? applyLiteral : applyPattern)(chunk); + literal = !literal; + } + }); + return applyAll(chunks.join('')); +} + +function _buildDateTimeRE(tokens, bundle, options, pattern){ + pattern = dojo.regexp.escapeString(pattern); + if(!options.strict){ pattern = pattern.replace(" a", " ?a"); } // kludge to tolerate no space before am/pm + return pattern.replace(/([a-z])\1*/ig, function(match){ + // Build a simple regexp. Avoid captures, which would ruin the tokens list + var s; + var c = match.charAt(0); + var l = match.length; + var p2 = '', p3 = ''; + if(options.strict){ + if(l > 1){ p2 = '0' + '{'+(l-1)+'}'; } + if(l > 2){ p3 = '0' + '{'+(l-2)+'}'; } + }else{ + p2 = '0?'; p3 = '0{0,2}'; + } + switch(c){ + case 'y': + s = '\\d{2,4}'; + break; + case 'M': + s = (l>2) ? '\\S+' : p2+'[1-9]|1[0-2]'; + break; + case 'D': + s = p2+'[1-9]|'+p3+'[1-9][0-9]|[12][0-9][0-9]|3[0-5][0-9]|36[0-6]'; + break; + case 'd': + s = p2+'[1-9]|[12]\\d|3[01]'; + break; + case 'w': + s = p2+'[1-9]|[1-4][0-9]|5[0-3]'; + break; + case 'E': + s = '\\S+'; + break; + case 'h': //hour (1-12) + s = p2+'[1-9]|1[0-2]'; + break; + case 'k': //hour (0-11) + s = p2+'\\d|1[01]'; + break; + case 'H': //hour (0-23) + s = p2+'\\d|1\\d|2[0-3]'; + break; + case 'K': //hour (1-24) + s = p2+'[1-9]|1\\d|2[0-4]'; + break; + case 'm': + case 's': + s = '[0-5]\\d'; + break; + case 'S': + s = '\\d{'+l+'}'; + break; + case 'a': + var am = options.am || bundle.am || 'AM'; + var pm = options.pm || bundle.pm || 'PM'; + if(options.strict){ + s = am + '|' + pm; + }else{ + s = am + '|' + pm; + if(am != am.toLowerCase()){ s += '|' + am.toLowerCase(); } + if(pm != pm.toLowerCase()){ s += '|' + pm.toLowerCase(); } + } + break; + default: + // case 'v': + // case 'z': + // case 'Z': + s = ".*"; +// console.debug("parse of date format, pattern=" + pattern); + } + + if(tokens){ tokens.push(match); } + + return "(" + s + ")"; // add capture + }).replace(/[\xa0 ]/g, "[\\s\\xa0]"); // normalize whitespace. Need explicit handling of \xa0 for IE. +} +})(); + +(function(){ +var _customFormats = []; +dojo.date.locale.addCustomFormats = function(/*String*/packageName, /*String*/bundleName){ + // summary: + // Add a reference to a bundle containing localized custom formats to be + // used by date/time formatting and parsing routines. + // + // description: + // The user may add custom localized formats where the bundle has properties following the + // same naming convention used by dojo.cldr: `dateFormat-xxxx` / `timeFormat-xxxx` + // The pattern string should match the format used by the CLDR. + // See dojo.date.locale.format() for details. + // The resources must be loaded by dojo.requireLocalization() prior to use + + _customFormats.push({pkg:packageName,name:bundleName}); +}; + +dojo.date.locale._getGregorianBundle = function(/*String*/locale){ + var gregorian = {}; + dojo.forEach(_customFormats, function(desc){ + var bundle = dojo.i18n.getLocalization(desc.pkg, desc.name, locale); + gregorian = dojo.mixin(gregorian, bundle); + }, this); + return gregorian; /*Object*/ +}; +})(); + +dojo.date.locale.addCustomFormats("dojo.cldr","gregorian"); + +dojo.date.locale.getNames = function(/*String*/item, /*String*/type, /*String?*/use, /*String?*/locale){ + // summary: + // Used to get localized strings from dojo.cldr for day or month names. + // + // item: + // 'months' || 'days' + // type: + // 'wide' || 'narrow' || 'abbr' (e.g. "Monday", "Mon", or "M" respectively, in English) + // use: + // 'standAlone' || 'format' (default) + // locale: + // override locale used to find the names + + var label; + var lookup = dojo.date.locale._getGregorianBundle(locale); + var props = [item, use, type]; + if(use == 'standAlone'){ + label = lookup[props.join('-')]; + } + props[1] = 'format'; + + // return by copy so changes won't be made accidentally to the in-memory model + return (label || lookup[props.join('-')]).concat(); /*Array*/ +}; + +dojo.date.locale.isWeekend = function(/*Date?*/dateObject, /*String?*/locale){ + // summary: + // Determines if the date falls on a weekend, according to local custom. + + var weekend = dojo.cldr.supplemental.getWeekend(locale); + var day = (dateObject || new Date()).getDay(); + if(weekend.end < weekend.start){ + weekend.end += 7; + if(day < weekend.start){ day += 7; } + } + return day >= weekend.start && day <= weekend.end; // Boolean +}; + +// These are used only by format and strftime. Do they need to be public? Which module should they go in? + +dojo.date.locale._getDayOfYear = function(/*Date*/dateObject){ + // summary: gets the day of the year as represented by dateObject + return dojo.date.difference(new Date(dateObject.getFullYear(), 0, 1), dateObject) + 1; // Number +}; + +dojo.date.locale._getWeekOfYear = function(/*Date*/dateObject, /*Number*/firstDayOfWeek){ + if(arguments.length == 1){ firstDayOfWeek = 0; } // Sunday + + var firstDayOfYear = new Date(dateObject.getFullYear(), 0, 1).getDay(); + var adj = (firstDayOfYear - firstDayOfWeek + 7) % 7; + var week = Math.floor((dojo.date.locale._getDayOfYear(dateObject) + adj - 1) / 7); + + // if year starts on the specified day, start counting weeks at 1 + if(firstDayOfYear == firstDayOfWeek){ week++; } + + return week; // Number +}; + +} |