tt-rss/lib/dojo/currency.js
2011-11-08 20:40:44 +04:00

140 lines
5.5 KiB
JavaScript

/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dojo.currency"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.currency"] = true;
dojo.provide("dojo.currency");
dojo.require("dojo.number");
dojo.require("dojo.i18n");
dojo.requireLocalization("dojo.cldr", "currency", null, "ROOT,ar,ca,cs,da,de,el,en,en-au,en-ca,es,fi,fr,he,hu,it,ja,ko,nb,nl,pl,pt,ro,ru,sk,sl,sv,th,tr,zh,zh-hant,zh-hk,zh-tw");
dojo.require("dojo.cldr.monetary");
dojo.getObject("currency", true, dojo);
/*=====
dojo.currency = {
// summary: localized formatting and parsing routines for currencies
//
// description: extends dojo.number to provide culturally-appropriate formatting of values
// in various world currencies, including use of a currency symbol. The currencies are specified
// by a three-letter international symbol in all uppercase, and support for the currencies is
// provided by the data in `dojo.cldr`. The scripts generating dojo.cldr specify which
// currency support is included. A fixed number of decimal places is determined based
// on the currency type and is not determined by the 'pattern' argument. The fractional
// portion is optional, by default, and variable length decimals are not supported.
}
=====*/
dojo.currency._mixInDefaults = function(options){
options = options || {};
options.type = "currency";
// Get locale-dependent currency data, like the symbol
var bundle = dojo.i18n.getLocalization("dojo.cldr", "currency", options.locale) || {};
// Mixin locale-independent currency data, like # of places
var iso = options.currency;
var data = dojo.cldr.monetary.getData(iso);
dojo.forEach(["displayName","symbol","group","decimal"], function(prop){
data[prop] = bundle[iso+"_"+prop];
});
data.fractional = [true, false];
// Mixin with provided options
return dojo.mixin(data, options);
};
/*=====
dojo.declare("dojo.currency.__FormatOptions", [dojo.number.__FormatOptions], {
// type: String?
// Should not be set. Value is assumed to be "currency".
// symbol: String?
// localized currency symbol. The default will be looked up in table of supported currencies in `dojo.cldr`
// A [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code will be used if not found.
// currency: String?
// an [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code, a three letter sequence like "USD".
// For use with dojo.currency only.
// places: Number?
// number of decimal places to show. Default is defined based on which currency is used.
type: "",
symbol: "",
currency: "",
places: ""
});
=====*/
dojo.currency.format = function(/*Number*/value, /*dojo.currency.__FormatOptions?*/options){
// summary:
// Format a Number as a currency, using locale-specific settings
//
// description:
// Create a string from a Number using a known, localized pattern.
// [Formatting patterns](http://www.unicode.org/reports/tr35/#Number_Elements)
// appropriate to the locale are chosen from the [CLDR](http://unicode.org/cldr)
// as well as the appropriate symbols and delimiters and number of decimal places.
//
// value:
// the number to be formatted.
return dojo.number.format(value, dojo.currency._mixInDefaults(options));
};
dojo.currency.regexp = function(/*dojo.number.__RegexpOptions?*/options){
//
// summary:
// Builds the regular needed to parse a currency value
//
// description:
// Returns regular expression with positive and negative match, group and decimal separators
// Note: the options.places default, the number of decimal places to accept, is defined by the currency type.
return dojo.number.regexp(dojo.currency._mixInDefaults(options)); // String
};
/*=====
dojo.declare("dojo.currency.__ParseOptions", [dojo.number.__ParseOptions], {
// type: String?
// Should not be set. Value is assumed to be currency.
// currency: String?
// an [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code, a three letter sequence like "USD".
// For use with dojo.currency only.
// symbol: String?
// localized currency symbol. The default will be looked up in table of supported currencies in `dojo.cldr`
// A [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code will be used if not found.
// places: Number?
// fixed number of decimal places to accept. The default is determined based on which currency is used.
// fractional: Boolean?|Array?
// Whether to include the fractional portion, where the number of decimal places are implied by the currency
// or explicit 'places' parameter. The value [true,false] makes the fractional portion optional.
// By default for currencies, it the fractional portion is optional.
type: "",
currency: "",
symbol: "",
places: "",
fractional: ""
});
=====*/
dojo.currency.parse = function(/*String*/expression, /*dojo.currency.__ParseOptions?*/options){
//
// summary:
// Convert a properly formatted currency string to a primitive Number,
// using locale-specific settings.
//
// description:
// Create a Number from a string using a known, localized pattern.
// [Formatting patterns](http://www.unicode.org/reports/tr35/#Number_Format_Patterns)
// are chosen appropriate to the locale, as well as the appropriate symbols and delimiters
// and number of decimal places.
//
// expression: A string representation of a currency value
return dojo.number.parse(expression, dojo.currency._mixInDefaults(options));
};
}