Wallet/src/js/directives/amount.js

92 lines
No EOL
3.2 KiB
JavaScript

'use strict';
/**
* @desc amount directive that can be used to display formatted financial values
* size-equal attribute is optional, defaults to false.
* @example fee = {
* value: 12.49382901,
* currency: 'BCH'
* }
* @example <amount value="fee.value" currency="fee.currency"></amount>
* @example <amount value="fee.value" currency="fee.currency" size-equal="true"></amount>
*/
angular.module('bitcoincom.directives')
.directive('amount', [
'$timeout',
function($timeout) {
return {
restrict: 'E',
scope: {
value: '=',
currency: '=',
sizeEqual: '='
},
templateUrl: 'views/includes/amount.html',
controller: ['$scope', function($scope) {
$scope.displaySizeEqual = typeof $scope.sizeEqual == 'undefined' ? false : true;
var decimalPlaces = {
'0': ['BIF', 'CLP', 'DJF', 'GNF', 'ILS', 'JPY', 'KMF', 'KRW', 'MGA', 'PYG', 'RWF', 'UGX', 'VND', 'VUV', 'XAF', 'XOF', 'XPF'],
'3': ['BHD', 'IQD', 'JOD', 'KWD', 'OMR', 'TND'],
'8': ['BCH', 'BTC']
};
var numberWithCommas = function(x) {
return parseFloat(x).toLocaleString();
};
var buildAmount = function(start, middle, end) {
$scope.start = start;
$scope.middle = middle;
$scope.end = end;
};
var getDecimalPlaces = function(currency) {
if (decimalPlaces['0'].indexOf($scope.currency.toUpperCase()) > -1) return '0';
if (decimalPlaces['3'].indexOf($scope.currency.toUpperCase()) > -1) return '3';
if (decimalPlaces['8'].indexOf($scope.currency.toUpperCase()) > -1) return '8';
return '2';
};
var formatNumbers = function(currency, value) {
switch (getDecimalPlaces(currency)) {
case '0':
var valueFormatted = numberWithCommas(Math.round(parseFloat(value)));
buildAmount(valueFormatted, '', '');
break;
case '2':
var valueProcessing = parseFloat(parseFloat(value).toFixed(2));
var valueFormatted = numberWithCommas(valueProcessing);
buildAmount(valueFormatted, '', '');
break;
case '3':
var valueProcessing = parseFloat(parseFloat(value).toFixed(3));
var valueFormatted = numberWithCommas(valueProcessing);
buildAmount(valueFormatted, '', '');
break;
case '8':
var valueFormatted = parseFloat(value).toFixed(8);
if (parseFloat(value) == 0) {
buildAmount('0', '', '');
} else {
buildAmount(valueFormatted, '', '');
var start = numberWithCommas(valueFormatted.slice(0, -5));
var middle = valueFormatted.slice(-5, -2);
var end = valueFormatted.substr(valueFormatted.length - 2);
buildAmount(start, middle, end);
}
break;
}
}
formatNumbers($scope.currency, $scope.value);
$scope.$watchGroup(['currency', 'value'], function() {
formatNumbers($scope.currency, $scope.value);
});
}]
};
}
]);