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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\Extension\Core\DataTransformer\MoneyToLocalizedStringTransformer;
use Symfony\Component\Form\FormView;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
class MoneyType extends AbstractType
{
protected static $patterns = array();
/**
* {@inheritdoc}
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->addViewTransformer(new MoneyToLocalizedStringTransformer(
$options['precision'],
$options['grouping'],
null,
$options['divisor']
))
;
}
/**
* {@inheritdoc}
*/
public function buildView(FormView $view, FormInterface $form, array $options)
{
$view->vars['money_pattern'] = self::getPattern($options['currency']);
}
/**
* {@inheritdoc}
*/
public function setDefaultOptions(OptionsResolverInterface $resolver)
{
$resolver->setDefaults(array(
'precision' => 2,
'grouping' => false,
'divisor' => 1,
'currency' => 'EUR',
'compound' => false,
));
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'money';
}
/**
* Returns the pattern for this locale
*
* The pattern contains the placeholder "{{ widget }}" where the HTML tag should
* be inserted
*/
protected static function getPattern($currency)
{
if (!$currency) {
return '{{ widget }}';
}
$locale = \Locale::getDefault();
if (!isset(self::$patterns[$locale])) {
self::$patterns[$locale] = array();
}
if (!isset(self::$patterns[$locale][$currency])) {
$format = new \NumberFormatter($locale, \NumberFormatter::CURRENCY);
$pattern = $format->formatCurrency('123', $currency);
// the spacings between currency symbol and number are ignored, because
// a single space leads to better readability in combination with input
// fields
// the regex also considers non-break spaces (0xC2 or 0xA0 in UTF-8)
preg_match('/^([^\s\xc2\xa0]*)[\s\xc2\xa0]*123(?:[,.]0+)?[\s\xc2\xa0]*([^\s\xc2\xa0]*)$/u', $pattern, $matches);
if (!empty($matches[1])) {
self::$patterns[$locale][$currency] = $matches[1].' {{ widget }}';
} elseif (!empty($matches[2])) {
self::$patterns[$locale][$currency] = '{{ widget }} '.$matches[2];
} else {
self::$patterns[$locale][$currency] = '{{ widget }}';
}
}
return self::$patterns[$locale][$currency];
}
}
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