mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-31 23:07:47 +02:00
260 lines
5.6 KiB
PHP
260 lines
5.6 KiB
PHP
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<?php
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/**
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* Partially based on Zend_Currency.
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*
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Currency.php 6137 2007-08-19 14:55:27Z shreef $
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*/
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set_include_path(get_include_path() . PATH_SEPARATOR . BASE_PATH . '/sapphire/thirdparty');
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require_once 'Zend/Currency.php';
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/**
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* Implements the "Money" pattern.
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*
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* @see http://www.martinfowler.com/eaaCatalog/money.html
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*
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* @todo Support different ways of rounding
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* @todo Equality operators
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* @todo Addition, substraction and allocation of values
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* @todo Model validation for $allowedCurrencies
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*
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* @package sapphire
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* @subpackage model
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*/
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class Money extends DBField implements CompositeDBField {
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/**
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* @var string $getCurrency()
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*/
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protected $currency;
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/**
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* @var float $currencyAmount
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*/
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protected $amount;
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/**
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* @var boolean $isChanged
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*/
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protected $isChanged = false;
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/**
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* @var string $locale
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*/
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protected $locale = null;
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/**
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* @var Zend_Currency
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*/
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protected $currencyLib;
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/**
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* Limit the currencies
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* @var array $allowedCurrencies
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*/
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protected $allowedCurrencies;
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/**
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* @param array
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*/
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static $composite_db = array(
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"Currency" => "Varchar(3)",
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"Amount" => "Decimal(14,2)",
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);
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function __construct($name = null) {
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$this->currencyLib = new Zend_Currency(i18n::default_locale());
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parent::__construct($name);
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}
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public function composite_db(){
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return self::$composite_db;
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}
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function requireField() {
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$composite_db = $this->composite_db();
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foreach($composite_db as $name => $type){
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DB::requireField($this->tableName, $this->name.$name, $type);
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}
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}
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function writeToManipulation(&$manipulation) {
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$manipulation['fields'][$this->name.'Currency'] = $this->prepValueForDB($this->getCurrency());
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$manipulation['fields'][$this->name.'Amount'] = $this->getAmount();
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}
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function setValue($value,$record=null) {
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if($record && isset($record[$this->name . 'Currency']) && isset($record[$this->name . 'Amount'])) {
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if($record[$this->name . 'Currency'] && $record[$this->name . 'Amount']) {
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$this->setCurrency($record[$this->name . 'Currency']);
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$this->setAmount($record[$this->name . 'Amount']);
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} else {
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$this->value = $this->nullValue();
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}
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} elseif ($value instanceof Money) {
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$this->setCurrency($value->getCurrency());
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$this->setAmount($value->getAmount());
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} else if (is_array($value)) {
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if (array_key_exists('Currency', $value)) {
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$this->setCurrency($value['Currency']);
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$this->isChanged = true;
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}
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if (array_key_exists('Amount', $value)) {
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$this->setAmount($value['Amount']);
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$this->isChanged = true;
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}
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} else {
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user_error('Invalid value in Money->setValue()', E_USER_ERROR);
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}
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}
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/**
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* @return string
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*/
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function Nice($options = array()) {
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return $this->currencyLib->toCurrency($this->getAmount(), $options);
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}
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/**
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* @return string
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*/
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function getCurrency() {
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return $this->currency;
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}
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/**
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* @param string
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*/
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function setCurrency($currency) {
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$this->currency = $currency;
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}
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/**
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* @todo Return casted Float DBField?
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*
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* @return float
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*/
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function getAmount() {
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return $this->amount;
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}
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/**
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* @param float $amount
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*/
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function setAmount($amount) {
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$this->amount = (float)$amount;
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}
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/**
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* @return boolean
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*/
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function hasValue() {
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return ($this->getCurrency() && is_numeric($this->getAmount()));
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}
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function isChanged() {
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return $this->isChanged;
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}
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/**
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* @param string $locale
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*/
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function setLocale($locale) {
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$this->locale = $locale;
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$this->currencyLib->setLocale($locale);
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}
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/**
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* @return string
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*/
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function getLocale() {
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return ($this->locale) ? $this->locale : i18n::get_locale();
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}
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/**
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* @return string
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*/
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function getSymbol($currency = null, $locale = null) {
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if($locale === null) $locale = $this->getLocale();
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if($currency === null) $currency = $this->getCurrency();
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return $this->currencyLib->getSymbol($currency, $locale);
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}
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/**
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* @return string
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*/
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function getShortName($currency = null, $locale = null) {
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if($locale === null) $locale = $this->getLocale();
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if($currency === null) $currency = $this->getCurrency();
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return $this->currencyLib->getShortName($currency, $locale);
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}
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/**
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* @return string
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*/
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function getName($currency = null, $locale = null) {
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if($locale === null) $locale = $this->getLocale();
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if($currency === null) $currency = $this->getCurrency();
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return $this->currencyLib->getName($currency, $locale);
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}
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/**
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* @param array $arr
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*/
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function setAllowedCurrencies($arr) {
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$this->allowedCurrencies = $arr;
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}
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/**
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* @return array
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*/
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function getAllowedCurrencies() {
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return $this->allowedCurrencies;
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}
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/**
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* @todo Implement this
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*/
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function toString() {
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}
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/**
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* Returns a CompositeField instance used as a default
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* for form scaffolding.
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*
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* Used by {@link SearchContext}, {@link ModelAdmin}, {@link DataObject::scaffoldFormFields()}
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*
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* @param string $title Optional. Localized title of the generated instance
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* @return FormField
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*/
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public function scaffoldFormField($title = null) {
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$fieldAmount = new NumericField($this->name."Amount", 'Amount');
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$allowedCurrencies = $this->getAllowedCurrencies();
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if($allowedCurrencies) {
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$fieldCurrency = new DropdownField(
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$this->name."Currency",
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'Currency',
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array_combine($allowedCurrencies,$allowedCurrencies)
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);
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} else {
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$fieldCurrency = new TextField($this->name."Currency", 'Currency');
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}
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$field = new FieldGroup(
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$fieldAmount,
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$fieldCurrency
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);
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return $field;
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}
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}
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?>
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