author | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2011-10-02 23:56:18 (UTC) |
---|---|---|
committer | Giulio Cesare Solaroli <giulio.cesare@clipperz.com> | 2011-10-02 23:56:18 (UTC) |
commit | ef68436ac04da078ffdcacd7e1f785473a303d45 (patch) (side-by-side diff) | |
tree | c403752d66a2c4775f00affd4fa8431b29c5b68c /frontend/gamma/js/MochiKit/Format.js | |
parent | 597ecfbc0249d83e1b856cbd558340c01237a360 (diff) | |
download | clipperz-ef68436ac04da078ffdcacd7e1f785473a303d45.zip clipperz-ef68436ac04da078ffdcacd7e1f785473a303d45.tar.gz clipperz-ef68436ac04da078ffdcacd7e1f785473a303d45.tar.bz2 |
First version of the newly restructured repository
Diffstat (limited to 'frontend/gamma/js/MochiKit/Format.js') (more/less context) (show whitespace changes)
-rw-r--r-- | frontend/gamma/js/MochiKit/Format.js | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/frontend/gamma/js/MochiKit/Format.js b/frontend/gamma/js/MochiKit/Format.js new file mode 100644 index 0000000..122845e --- a/dev/null +++ b/frontend/gamma/js/MochiKit/Format.js @@ -0,0 +1,309 @@ +/*** + +MochiKit.Format 1.5 + +See <http://mochikit.com/> for documentation, downloads, license, etc. + +(c) 2005 Bob Ippolito. All rights Reserved. + +***/ + +MochiKit.Base._module('Format', '1.5', ['Base']); + +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(res); + } + } + return "0"; +}; + +/** @id MochiKit.Format.twoDigitFloat */ +MochiKit.Format.twoDigitFloat = function (aNumber) { + var res = roundToFixed(aNumber, 2); + if (res.indexOf(".00") > 0) { + return res.substring(0, res.length - 3); + } else if (res.charAt(res.length - 1) == "0") { + return res.substring(0, res.length - 1); + } else { + return res; + } +}; + +/** @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) { + var fixed = MochiKit.Format._numberToFixed(aNumber, precision); + var fracPos = fixed.indexOf("."); + if (fracPos > 0 && fracPos + precision + 1 < fixed.length) { + fixed = fixed.substring(0, fracPos + precision + 1); + fixed = MochiKit.Format._shiftNumber(fixed, 0); + } + return fixed; +} + +/** @id MochiKit.Format.roundToFixed */ +MochiKit.Format.roundToFixed = function (aNumber, precision) { + var fixed = MochiKit.Format._numberToFixed(aNumber, precision); + var fracPos = fixed.indexOf("."); + if (fracPos > 0 && fracPos + precision + 1 < fixed.length) { + var str = MochiKit.Format._shiftNumber(fixed, precision); + str = MochiKit.Format._numberToFixed(Math.round(parseFloat(str)), 0); + fixed = MochiKit.Format._shiftNumber(str, -precision); + } + return fixed; +} + +/** + * Converts a number to a fixed format string. This function handles + * conversion of exponents by shifting the decimal point to the left + * or the right. It also guarantees a specified minimum number of + * fractional digits (but no maximum). + * + * @param {Number} aNumber the number to convert + * @param {Number} precision the minimum number of decimal digits + * + * @return {String} the fixed format number string + */ +MochiKit.Format._numberToFixed = function (aNumber, precision) { + var str = aNumber.toString(); + var parts = str.split(/[eE]/); + var exp = (parts.length === 1) ? 0 : parseInt(parts[1]) || 0; + var fixed = MochiKit.Format._shiftNumber(parts[0], exp); + parts = fixed.split(/\./); + var whole = parts[0]; + var frac = (parts.length === 1) ? "" : parts[1]; + while (frac.length < precision) { + frac += "0"; + } + if (frac.length > 0) { + return whole + "." + frac; + } else { + return whole; + } +} + +/** + * Shifts the decimal dot location in a fixed format number string. + * This function handles negative values and will add and remove + * leading and trailing zeros as needed. + * + * @param {String} num the fixed format number string + * @param {Number} exp the base-10 exponent to apply + * + * @return {String} the new fixed format number string + */ +MochiKit.Format._shiftNumber = function (num, exp) { + var pos = num.indexOf("."); + if (pos < 0) { + pos = num.length; + } else { + num = num.substring(0, pos) + num.substring(pos + 1); + } + pos += exp; + while (pos <= 0 || (pos <= 1 && num.charAt(0) === "-")) { + if (num.charAt(0) === "-") { + num = "-0" + num.substring(1); + } else { + num = "0" + num; + } + pos++; + } + while (pos > num.length) { + num += "0"; + } + if (pos < num.length) { + num = num.substring(0, pos) + "." + num.substring(pos); + } + while (/^0[^.]/.test(num)) { + num = num.substring(1); + } + while (/^-0[^.]/.test(num)) { + num = "-" + num.substring(2); + } + return num; +} + +/** @id MochiKit.Format.percentFormat */ +MochiKit.Format.percentFormat = function (aNumber) { + return MochiKit.Format.twoDigitFloat(100 * aNumber) + '%'; +}; + +MochiKit.Format.LOCALE = { + en_US: {separator: ",", decimal: ".", percent: "%"}, + de_DE: {separator: ".", decimal: ",", percent: "%"}, + pt_BR: {separator: ".", decimal: ",", percent: "%"}, + fr_FR: {separator: " ", decimal: ",", percent: "%"}, + "default": "en_US", + __export__: false +}; + +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; + } + } +}; + +MochiKit.Format.__new__(); + +MochiKit.Base._exportSymbols(this, MochiKit.Format); |