Format.js
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/*
MochiKit.Format 0.5
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 = "0.5";
MochiKit.Format.__repr__ = function () {
return "[" + this.NAME + " " + this.VERSION + "]";
}
MochiKit.Format.toString = function () {
return this.__repr__();
}
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.percentFormat = function (someFloat) {
/***
Roughly equivalent to: sprintf("%.2f%%", someFloat * 100)
***/
return MochiKit.Format.twoDigitFloat(100 * someFloat) + '%';
};
MochiKit.Format.EXPORT = [
"twoDigitAverage",
"twoDigitFloat",
"percentFormat"
];
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__();
if ((typeof(JSAN) == 'undefined' && typeof(dojo) == 'undefined')
|| (typeof(__MochiKit_Compat__) == 'boolean' && __MochiKit_Compat__)) {
(function (self) {
var all = self.EXPORT_TAGS[":all"];
for (var i = 0; i < all.length; i++) {
this[all[i]] = self[all[i]];
}
})(MochiKit.Format);
}