130 lines
5 KiB
JavaScript
130 lines
5 KiB
JavaScript
define("dojo/currency", [
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"./_base/array",
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"./_base/lang",
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/*===== "./_base/declare", =====*/
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"./number",
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"./i18n", "./i18n!./cldr/nls/currency",
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"./cldr/monetary"
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], function(darray, lang, /*===== declare, =====*/ dnumber, i18n, nlsCurrency, cldrMonetary){
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// module:
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// dojo/currency
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var currency = {
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// summary:
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// localized formatting and parsing routines for currencies
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// description:
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// extends dojo.number to provide culturally-appropriate formatting of values
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// in various world currencies, including use of a currency symbol. The currencies are specified
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// by a three-letter international symbol in all uppercase, and support for the currencies is
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// provided by the data in `dojo.cldr`. The scripts generating dojo.cldr specify which
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// currency support is included. A fixed number of decimal places is determined based
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// on the currency type and is not determined by the 'pattern' argument. The fractional
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// portion is optional, by default, and variable length decimals are not supported.
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};
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lang.setObject("dojo.currency", currency);
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currency._mixInDefaults = function(options){
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options = options || {};
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options.type = "currency";
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// Get locale-dependent currency data, like the symbol
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var bundle = i18n.getLocalization("dojo.cldr", "currency", options.locale) || {};
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// Mixin locale-independent currency data, like # of places
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var iso = options.currency;
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var data = cldrMonetary.getData(iso);
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darray.forEach(["displayName","symbol","group","decimal"], function(prop){
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data[prop] = bundle[iso+"_"+prop];
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});
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data.fractional = [true, false];
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// Mixin with provided options
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return lang.mixin(data, options);
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};
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/*=====
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currency.__FormatOptions = declare([dnumber.__FormatOptions], {
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// type: String?
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// Should not be set. Value is assumed to be "currency".
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// symbol: String?
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// localized currency symbol. The default will be looked up in table of supported currencies in `dojo.cldr`
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// A [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code will be used if not found.
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// currency: String?
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// an [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code, a three letter sequence like "USD".
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// For use with dojo.currency only.
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// places: Number?
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// number of decimal places to show. Default is defined based on which currency is used.
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type: "",
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symbol: "",
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currency: "",
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places: ""
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});
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=====*/
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currency.format = function(/*Number*/ value, /*__FormatOptions?*/ options){
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// summary:
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// Format a Number as a currency, using locale-specific settings
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//
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// description:
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// Create a string from a Number using a known, localized pattern.
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// [Formatting patterns](http://www.unicode.org/reports/tr35/#Number_Elements)
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// appropriate to the locale are chosen from the [CLDR](http://unicode.org/cldr)
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// as well as the appropriate symbols and delimiters and number of decimal places.
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//
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// value:
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// the number to be formatted.
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return dnumber.format(value, currency._mixInDefaults(options));
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};
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currency.regexp = function(/*dnumber.__RegexpOptions?*/ options){
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//
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// summary:
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// Builds the regular needed to parse a currency value
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//
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// description:
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// Returns regular expression with positive and negative match, group and decimal separators
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// Note: the options.places default, the number of decimal places to accept, is defined by the currency type.
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return dnumber.regexp(currency._mixInDefaults(options)); // String
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};
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/*=====
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var __ParseOptions = currency.__ParseOptions = declare(dnumber.__ParseOptions, {
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// type: String?
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// Should not be set. Value is assumed to be currency.
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// currency: String?
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// an [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code, a three letter sequence like "USD".
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// For use with dojo.currency only.
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// symbol: String?
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// localized currency symbol. The default will be looked up in table of supported currencies in `dojo.cldr`
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// A [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code will be used if not found.
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// places: Number?
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// fixed number of decimal places to accept. The default is determined based on which currency is used.
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// fractional: Boolean|Array?
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// Whether to include the fractional portion, where the number of decimal places are implied by the currency
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// or explicit 'places' parameter. The value [true,false] makes the fractional portion optional.
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// By default for currencies, it the fractional portion is optional.
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});
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=====*/
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currency.parse = function(/*String*/ expression, /*__ParseOptions?*/ options){
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//
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// summary:
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// Convert a properly formatted currency string to a primitive Number,
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// using locale-specific settings.
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// description:
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// Create a Number from a string using a known, localized pattern.
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// [Formatting patterns](http://www.unicode.org/reports/tr35/#Number_Format_Patterns)
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// are chosen appropriate to the locale, as well as the appropriate symbols and delimiters
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// and number of decimal places.
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// expression:
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// A string representation of a currency value
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return dnumber.parse(expression, currency._mixInDefaults(options));
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};
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return currency;
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});
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