/***
MochiKit.Format 1.1
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 = "1.1";
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;
};
};
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;
return MochiKit.Format._numberFormatter(
placeholder, header, footer, locale, isPercent, precision,
leadingZeros, separatorAt, trailingZeros
);
};
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;
}
};
MochiKit.Format.twoDigitAverage = function (numerator, denominator) {
/***
Calculate an average from a numerator and a denominator and return
it as a string with two digits of precision (e.g. "1.23").
If the denominator is 0, "0" will be returned instead of NaN.
***/
if (denominator) {
var res = numerator / denominator;
if (!isNaN(res)) {
return MochiKit.Format.twoDigitFloat(numerator / denominator);
}
}
return "0";
};
MochiKit.Format.twoDigitFloat = function (someFloat) {
/***
Roughly equivalent to: sprintf("%.2f", 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;
}
};
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 + "]+"), "");
}
};
MochiKit.Format.rstrip = function (str, /* optional */chars) {
str = str + "";
if (typeof(str) != "string") {
return null;
}
if (!chars) {
return str.replace(/\s+$/, "");
} else {
return str.replace(new RegExp("[" + chars + "]+$"), "");
}
};
MochiKit.Format.strip = function (str, /* optional */chars) {
var self = MochiKit.Format;
return self.rstrip(self.lstrip(str, chars), chars);
};
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;
};
MochiKit.Format.roundToFixed = function (aNumber, precision) {
return MochiKit.Format.truncToFixed(
aNumber + 0.5 * Math.pow(10, -precision),
precision
);
};
MochiKit.Format.percentFormat = function (someFloat) {
/***
Roughly equivalent to: sprintf("%.2f%%", someFloat * 100)
***/
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 + ".";
for (var k in this) {
var o = this[k];
if (typeof(o) == 'function' && typeof(o.NAME) == 'undefined') {
try {
o.NAME = base + k;
} catch (e) {
// pass
}
}
}
};
MochiKit.Format.__new__();
//MochiKit.Base._exportSymbols(this, MochiKit.Format);
(function (globals, module) {
if ((typeof(JSAN) == 'undefined' && typeof(dojo) == 'undefined')
|| (typeof(MochiKit.__compat__) == 'boolean' && MochiKit.__compat__)) {
var all = module.EXPORT_TAGS[":all"];
for (var i = 0; i < all.length; i++) {
globals[all[i]] = module[all[i]];
}
}
})(this, MochiKit.Format);