85 rader
3,3 KiB
JavaScript
85 rader
3,3 KiB
JavaScript
define("dijit/form/CurrencyTextBox", [
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"dojo/currency", // currency._mixInDefaults currency.format currency.parse currency.regexp
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"dojo/_base/declare", // declare
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"dojo/_base/lang", // lang.hitch
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"./NumberTextBox"
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], function(currency, declare, lang, NumberTextBox){
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// module:
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// dijit/form/CurrencyTextBox
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/*=====
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var __Constraints = declare([NumberTextBox.__Constraints, currency.__FormatOptions, currency.__ParseOptions], {
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// summary:
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// Specifies both the rules on valid/invalid values (minimum, maximum,
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// number of required decimal places), and also formatting options for
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// displaying the value when the field is not focused (currency symbol,
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// etc.)
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// description:
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// Follows the pattern of `dijit/form/NumberTextBox.__Constraints`.
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// In general developers won't need to set this parameter
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// example:
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// To ensure that the user types in the cents (for example, 1.00 instead of just 1):
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// | {fractional:true}
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});
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=====*/
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return declare("dijit.form.CurrencyTextBox", NumberTextBox, {
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// summary:
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// A validating currency textbox
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// description:
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// CurrencyTextBox is similar to `dijit/form/NumberTextBox` but has a few
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// extra features related to currency:
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//
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// 1. After specifying the currency type (american dollars, euros, etc.) it automatically
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// sets parse/format options such as how many decimal places to show.
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// 2. The currency mark (dollar sign, euro mark, etc.) is displayed when the field is blurred
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// but erased during editing, so that the user can just enter a plain number.
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// currency: [const] String
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// the [ISO4217](http://en.wikipedia.org/wiki/ISO_4217) currency code, a three letter sequence like "USD"
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currency: "",
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/*=====
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// constraints: __Constraints
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// Despite the name, this parameter specifies both constraints on the input
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// (including minimum/maximum allowed values) as well as
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// formatting options.
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constraints: {},
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======*/
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baseClass: "dijitTextBox dijitCurrencyTextBox",
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// Override pattern ValidationTextBox.pattern.... we use a reg-ex generating function rather
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// than a straight regexp to deal with locale (plus formatting options too?)
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pattern: function(constraints){
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// if focused, accept either currency data or NumberTextBox format
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return '(' + (this.focused ? this.inherited(arguments, [ lang.mixin({}, constraints, this.editOptions) ]) + '|' : '')
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+ currency.regexp(constraints) + ')';
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},
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// Override NumberTextBox._formatter to deal with currencies, ex: converts "123.45" to "$123.45"
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_formatter: currency.format,
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_parser: currency.parse,
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parse: function(/*String*/ value, /*Object*/ constraints){
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// summary:
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// Parses string value as a Currency, according to the constraints object
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// tags:
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// protected extension
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var v = this.inherited(arguments);
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if(isNaN(v) && /\d+/.test(value)){ // currency parse failed, but it could be because they are using NumberTextBox format so try its parse
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v = lang.hitch(lang.mixin({}, this, { _parser: NumberTextBox.prototype._parser }), "inherited")(arguments);
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}
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return v;
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},
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_setConstraintsAttr: function(/*Object*/ constraints){
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if(!constraints.currency && this.currency){
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constraints.currency = this.currency;
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}
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this.inherited(arguments, [ currency._mixInDefaults(lang.mixin(constraints, { exponent: false })) ]); // get places
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}
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});
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});
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