(function($) {
var round = (function() {
var strategies = {
up: Math.ceil,
down: function(input) { return ~~input; },
nearest: Math.round
};
return function(strategy) {
return strategies[strategy];
};
})();
var Alpaca = $.alpaca;
Alpaca.Fields.CurrencyField = Alpaca.Fields.TextField.extend(
/**
* @lends Alpaca.Fields.CurrencyField.prototype
*/
{
/**
* @constructs
* @augments Alpaca.Fields.TextField
*
* @class Currency Control
*
* @param {Object} container Field container.
* @param {Any} data Field data.
* @param {Object} options Field options.
* @param {Object} schema Field schema.
* @param {Object|String} view Field view.
* @param {Alpaca.Connector} connector Field connector.
* @param {Function} errorCallback Error callback.
*/
constructor: function(container, data, options, schema, view, connector, errorCallback) {
options = options || {};
var pfOptionsSchema = this.getSchemaOfPriceFormatOptions().properties;
for (var i in pfOptionsSchema) {
var option = pfOptionsSchema[i];
if (!(i in options)) {
options[i] = option["default"] || undefined;
}
}
if (typeof(data) !== "undefined")
{
data = "" + parseFloat(data).toFixed(options.centsLimit);
}
this.base(container, data, options, schema, view, connector, errorCallback);
},
/**
* @see Alpaca.Fields.TextField#getFieldType
*/
getFieldType: function() {
return "currency";
},
/**
* @see Alpaca.Fields.TextField#postRender
*/
afterRenderControl: function(model, callback) {
var self = this;
var field = this.getControlEl();
this.base(model, function() {
$(field).priceFormat(self.options);
callback();
});
},
/**
* @see Alpaca.Fields.ControlField#getControlValue
*/
getControlValue: function() {
var field = this.getControlEl();
var val = $(field).is('input') ? field.val() : field.html();
if (this.options.unmask || this.options.round !== "none") {
var unmasked = function() {
var result = '';
for (var i in val) {
var cur = val[i];
if (!isNaN(cur)) {
result += cur;
} else if (cur === this.options.centsSeparator) {
result += '.';
}
}
return parseFloat(result);
}.bind(this)();
if (this.options.round !== "none") {
unmasked = round(this.options.round)(unmasked);
if (!this.options.unmask) {
var result = [];
var unmaskedString = "" + unmasked;
for (var i = 0, u = 0; i < val.length; i++) {
if (!isNaN(val[i])) {
result.push(unmaskedString[u++] || 0);
} else {
result.push(val[i]);
}
}
return result.join('');
}
}
return unmasked;
} else {
return val;
}
}
/* builder_helpers */
,
/**
* @see Alpaca.Fields.TextField#getTitle
*/
getTitle: function() {
return "Currency Field";
},
/**
* @see Alpaca.Fields.TextField#getDescription
*/
getDescription: function() {
return "Provides an automatically formatted and configurable input for entering currency amounts.";
},
getSchemaOfPriceFormatOptions: function() {
return {
"properties": {
"allowNegative": {
"title": "Allow Negative",
"description": "Determines if negative numbers are allowed.",
"type": "boolean",
"default": false
},
"centsLimit": {
"title": "Cents Limit",
"description": "The limit of fractional digits.",
"type": "number",
"default": 2,
"minimum": 0
},
"centsSeparator": {
"title": "Cents Separator",
"description": "The separator between whole and fractional amounts.",
"type": "text",
"default": "."
},
"clearPrefix": {
"title": "Clear Prefix",
"description": "Determines if the prefix is cleared on blur.",
"type": "boolean",
"default": false
},
"clearSuffix": {
"title": "Clear Suffix",
"description": "Determines if the suffix is cleared on blur.",
"type": "boolean",
"default": false
},
"insertPlusSign": {
"title": "Plus Sign",
"description": "Determines if a plus sign should be inserted for positive values.",
"type": "boolean",
"default": false
},
"limit": {
"title": "Limit",
"description": "A limit of the length of the field.",
"type": "number",
"default": undefined,
"minimum": 0
},
"prefix": {
"title": "Prefix",
"description": "The prefix if any for the field.",
"type": "text",
"default": "$"
},
"round": {
"title": "Round",
"description": "Determines if the field is rounded. (Rounding is done when getValue is called and is not reflected in the UI)",
"type": "string",
"enum": [ "up", "down", "nearest", "none" ],
"default": "none"
},
"suffix": {
"title": "Suffix",
"description": "The suffix if any for the field.",
"type": "text",
"default": ""
},
"thousandsSeparator": {
"title": "Thousands Separator",
"description": "The separator between thousands.",
"type": "string",
"default": ","
},
"unmask": {
"title": "Unmask",
"description": "If true then the resulting value for this field will be unmasked. That is, the resulting value will be a float instead of a string (with the prefix, suffix, etc. removed).",
"type": "boolean",
"default": true
}
}
};
},
/**
* @private
* @see Alpaca.Fields.TextField#getSchemaOfOptions
*/
getSchemaOfOptions: function() {
return Alpaca.merge(this.base(), this.getSchemaOfPriceFormatOptions());
},
/**
* @private
* @see Alpaca.Fields.TextField#getOptionsForOptions
*/
getOptionsForOptions: function() {
return Alpaca.merge(this.base(), {
"fields": {
"allowNegative": {
"type": "checkbox"
},
"centsLimit": {
"type": "number"
},
"centsSeparator": {
"type": "text"
},
"clearPrefix": {
"type": "checkbox"
},
"clearSuffix": {
"type": "checkbox"
},
"insertPlusSign": {
"type": "checkbox"
},
"limit": {
"type": "number"
},
"prefix": {
"type": "text"
},
"round": {
"type": "select"
},
"suffix": {
"type": "text"
},
"thousandsSeparator": {
"type": "string"
},
"unmask": {
"type": "checkbox"
}
}
});
}
/* end_builder_helpers */
});
Alpaca.registerFieldClass("currency", Alpaca.Fields.CurrencyField);
})(jQuery);