/*** MochiKit.Format 1.4 See <http://mochikit.com/> for documentation, downloads, license, etc. (c) 2005 Bob Ippolito. All rights Reserved. ***/ if (typeof(dojo) != 'undefined') { dojo.provide('MochiKit.Format'); } if (typeof(MochiKit) == 'undefined') { MochiKit = {}; } if (typeof(MochiKit.Format) == 'undefined') { MochiKit.Format = {}; } MochiKit.Format.NAME = "MochiKit.Format"; MochiKit.Format.VERSION = "1.4"; MochiKit.Format.__repr__ = function () { return "[" + this.NAME + " " + this.VERSION + "]"; }; MochiKit.Format.toString = function () { return this.__repr__(); }; MochiKit.Format._numberFormatter = function (placeholder, header, footer, locale, isPercent, precision, leadingZeros, separatorAt, trailingZeros) { return function (num) { num = parseFloat(num); if (typeof(num) == "undefined" || num === null || isNaN(num)) { return placeholder; } var curheader = header; var curfooter = footer; if (num < 0) { num = -num; } else { curheader = curheader.replace(/-/, ""); } var me = arguments.callee; var fmt = MochiKit.Format.formatLocale(locale); if (isPercent) { num = num * 100.0; curfooter = fmt.percent + curfooter; } num = MochiKit.Format.roundToFixed(num, precision); var parts = num.split(/\./); var whole = parts[0]; var frac = (parts.length == 1) ? "" : parts[1]; var res = ""; while (whole.length < leadingZeros) { whole = "0" + whole; } if (separatorAt) { while (whole.length > separatorAt) { var i = whole.length - separatorAt; //res = res + fmt.separator + whole.substring(i, whole.length); res = fmt.separator + whole.substring(i, whole.length) + res; whole = whole.substring(0, i); } } res = whole + res; if (precision > 0) { while (frac.length < trailingZeros) { frac = frac + "0"; } res = res + fmt.decimal + frac; } return curheader + res + curfooter; }; }; /** @id MochiKit.Format.numberFormatter */ MochiKit.Format.numberFormatter = function (pattern, placeholder/* = "" */, locale/* = "default" */) { // http://java.sun.com/docs/books/tutorial/i18n/format/numberpattern.html // | 0 | leading or trailing zeros // | # | just the number // | , | separator // | . | decimal separator // | % | Multiply by 100 and format as percent if (typeof(placeholder) == "undefined") { placeholder = ""; } var match = pattern.match(/((?:[0#]+,)?[0#]+)(?:\.([0#]+))?(%)?/); if (!match) { throw TypeError("Invalid pattern"); } var header = pattern.substr(0, match.index); var footer = pattern.substr(match.index + match[0].length); if (header.search(/-/) == -1) { header = header + "-"; } var whole = match[1]; var frac = (typeof(match[2]) == "string" && match[2] != "") ? match[2] : ""; var isPercent = (typeof(match[3]) == "string" && match[3] != ""); var tmp = whole.split(/,/); var separatorAt; if (typeof(locale) == "undefined") { locale = "default"; } if (tmp.length == 1) { separatorAt = null; } else { separatorAt = tmp[1].length; } var leadingZeros = whole.length - whole.replace(/0/g, "").length; var trailingZeros = frac.length - frac.replace(/0/g, "").length; var precision = frac.length; var rval = MochiKit.Format._numberFormatter( placeholder, header, footer, locale, isPercent, precision, leadingZeros, separatorAt, trailingZeros ); var m = MochiKit.Base; if (m) { var fn = arguments.callee; var args = m.concat(arguments); rval.repr = function () { return [ self.NAME, "(", map(m.repr, args).join(", "), ")" ].join(""); }; } return rval; }; /** @id MochiKit.Format.formatLocale */ MochiKit.Format.formatLocale = function (locale) { if (typeof(locale) == "undefined" || locale === null) { locale = "default"; } if (typeof(locale) == "string") { var rval = MochiKit.Format.LOCALE[locale]; if (typeof(rval) == "string") { rval = arguments.callee(rval); MochiKit.Format.LOCALE[locale] = rval; } return rval; } else { return locale; } }; /** @id MochiKit.Format.twoDigitAverage */ MochiKit.Format.twoDigitAverage = function (numerator, denominator) { if (denominator) { var res = numerator / denominator; if (!isNaN(res)) { return MochiKit.Format.twoDigitFloat(numerator / denominator); } } return "0"; }; /** @id MochiKit.Format.twoDigitFloat */ MochiKit.Format.twoDigitFloat = function (someFloat) { var sign = (someFloat < 0 ? '-' : ''); var s = Math.floor(Math.abs(someFloat) * 100).toString(); if (s == '0') { return s; } if (s.length < 3) { while (s.charAt(s.length - 1) == '0') { s = s.substring(0, s.length - 1); } return sign + '0.' + s; } var head = sign + s.substring(0, s.length - 2); var tail = s.substring(s.length - 2, s.length); if (tail == '00') { return head; } else if (tail.charAt(1) == '0') { return head + '.' + tail.charAt(0); } else { return head + '.' + tail; } }; /** @id MochiKit.Format.lstrip */ MochiKit.Format.lstrip = function (str, /* optional */chars) { str = str + ""; if (typeof(str) != "string") { return null; } if (!chars) { return str.replace(/^\s+/, ""); } else { return str.replace(new RegExp("^[" + chars + "]+"), ""); } }; /** @id MochiKit.Format.rstrip */ MochiKit.Format.rstrip = function (str, /* optional */chars) { str = str + ""; if (typeof(str) != "string") { return null; } if (!chars) { return str.replace(/\s+$/, ""); } else { return str.replace(new RegExp("[" + chars + "]+$"), ""); } }; /** @id MochiKit.Format.strip */ MochiKit.Format.strip = function (str, /* optional */chars) { var self = MochiKit.Format; return self.rstrip(self.lstrip(str, chars), chars); }; /** @id MochiKit.Format.truncToFixed */ MochiKit.Format.truncToFixed = function (aNumber, precision) { aNumber = Math.floor(aNumber * Math.pow(10, precision)); var res = (aNumber * Math.pow(10, -precision)).toFixed(precision); if (res.charAt(0) == ".") { res = "0" + res; } return res; }; /** @id MochiKit.Format.roundToFixed */ MochiKit.Format.roundToFixed = function (aNumber, precision) { return MochiKit.Format.truncToFixed( aNumber + 0.5 * Math.pow(10, -precision), precision ); }; /** @id MochiKit.Format.percentFormat */ MochiKit.Format.percentFormat = function (someFloat) { return MochiKit.Format.twoDigitFloat(100 * someFloat) + '%'; }; MochiKit.Format.EXPORT = [ "truncToFixed", "roundToFixed", "numberFormatter", "formatLocale", "twoDigitAverage", "twoDigitFloat", "percentFormat", "lstrip", "rstrip", "strip" ]; MochiKit.Format.LOCALE = { en_US: {separator: ",", decimal: ".", percent: "%"}, de_DE: {separator: ".", decimal: ",", percent: "%"}, fr_FR: {separator: " ", decimal: ",", percent: "%"}, "default": "en_US" }; MochiKit.Format.EXPORT_OK = []; MochiKit.Format.EXPORT_TAGS = { ':all': MochiKit.Format.EXPORT, ':common': MochiKit.Format.EXPORT }; MochiKit.Format.__new__ = function () { // MochiKit.Base.nameFunctions(this); var base = this.NAME + "."; var k, v, o; for (k in this.LOCALE) { o = this.LOCALE[k]; if (typeof(o) == "object") { o.repr = function () { return this.NAME; }; o.NAME = base + "LOCALE." + k; } } for (k in this) { o = this[k]; if (typeof(o) == 'function' && typeof(o.NAME) == 'undefined') { try { o.NAME = base + k; } catch (e) { // pass } } } }; MochiKit.Format.__new__(); if (typeof(MochiKit.Base) != "undefined") { MochiKit.Base._exportSymbols(this, MochiKit.Format); } else { (function (globals, module) { if ((typeof(JSAN) == 'undefined' && typeof(dojo) == 'undefined') || (MochiKit.__export__ === false)) { var all = module.EXPORT_TAGS[":all"]; for (var i = 0; i < all.length; i++) { globals[all[i]] = module[all[i]]; } } })(this, MochiKit.Format); }