A Objective-J wrapper around the jQuery globalization library

KPNumberFormatter.j

KPNumberFormatterNoStyle                = 0;
KPNumberFormatterDecimalStyle           = 1;
KPNumberFormatterCurrencyStyle          = 2;
KPNumberFormatterPercentStyle           = 3;

@implementation KPNumberFormatter : CPFormatter
{
    KPNumberFormatterStyle                          _numberStyle @accessors(property=numberStyle);

    BOOL                                            _generatesDecimalNumbers @accessors(property=generatesDecimalNumbers);
}

- (CPString)stringForObjectValue:(id)theObject
{
    var value = [theObject doubleValue];

    jQuery.preferCulture([[KPLocale currentLocale] localeIdentifier]);
    var formatted = jQuery.format(value, [self _jqueryFormatFlagForNumberStyle:[self numberStyle]]);

    return formatted;
}

- (id)objectValueForString:(CPString)aString error:(out CPError)theError
{
    jQuery.preferCulture([[KPLocale currentLocale] localeIdentifier]);

    var value = jQuery.parseFloat(aString);

    if ([self generatesDecimalNumbers] && value)
        return [CPDecimalNumber decimalNumberWithString:value.toString()];

    return value;
}

- (CPString)_jqueryFormatFlagForNumberStyle:(KPNumberFormatterStyle)theStyle
{
    switch (theStyle)
    {
        default:
        case KPNumberFormatterNoStyle:
            return @"n";

        case KPNumberFormatterDecimalStyle:
            return @"d";

        case KPNumberFormatterCurrencyStyle:
            return @"c";

        case KPNumberFormatterPercentStyle:
            return @"p";
    }
}

@end

var KPNumberFormatterNumberStyleKey                 = @"KPNumberFormatterNumberStyleKey",
    KPNumberFormatterGeneratesDecimalNumbersKey     = @"KPNumberFormatterGeneratesDecimalNumbersKey";

@implementation KPNumberFormatter (CPCoding)

- (id)initWithCoder:(CPCoder)theCoder
{
    if (self = [super initWithCoder:theCoder])
    {
        _numberStyle = [theCoder decodeIntForKey:KPNumberFormatterNumberStyleKey];
        _generatesDecimalNumbers = [theCoder decodeBoolForKey:KPNumberFormatterGeneratesDecimalNumbersKey];
    }

    return self;
}

- (void)encodeWithCoder:(CPCoder)theCoder
{
    [super encodeWithCoder:theCoder];

    [theCoder encodeInt:[self numberStyle] forKey:KPNumberFormatterNumberStyleKey];
    [theCoder encodeBool:[self generatesDecimalNumbers] forKey:KPNumberFormatterGeneratesDecimalNumbersKey];
}

@end