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1 | <?php |
2 | ||
3 | /* | |
4 | * This file is part of the Symfony package. | |
5 | * | |
6 | * (c) Fabien Potencier <fabien@symfony.com> | |
7 | * | |
8 | * For the full copyright and license information, please view the LICENSE | |
9 | * file that was distributed with this source code. | |
10 | */ | |
11 | ||
12 | namespace Symfony\Component\Form\Extension\Core\Type; | |
13 | ||
14 | use Symfony\Component\Form\AbstractType; | |
15 | use Symfony\Component\Form\FormInterface; | |
16 | use Symfony\Component\Form\FormBuilderInterface; | |
17 | use Symfony\Component\Form\Extension\Core\DataTransformer\MoneyToLocalizedStringTransformer; | |
18 | use Symfony\Component\Form\FormView; | |
19 | use Symfony\Component\OptionsResolver\OptionsResolverInterface; | |
20 | ||
21 | class MoneyType extends AbstractType | |
22 | { | |
23 | protected static $patterns = array(); | |
24 | ||
25 | /** | |
26 | * {@inheritdoc} | |
27 | */ | |
28 | public function buildForm(FormBuilderInterface $builder, array $options) | |
29 | { | |
30 | $builder | |
31 | ->addViewTransformer(new MoneyToLocalizedStringTransformer( | |
32 | $options['precision'], | |
33 | $options['grouping'], | |
34 | null, | |
35 | $options['divisor'] | |
36 | )) | |
37 | ; | |
38 | } | |
39 | ||
40 | /** | |
41 | * {@inheritdoc} | |
42 | */ | |
43 | public function buildView(FormView $view, FormInterface $form, array $options) | |
44 | { | |
45 | $view->vars['money_pattern'] = self::getPattern($options['currency']); | |
46 | } | |
47 | ||
48 | /** | |
49 | * {@inheritdoc} | |
50 | */ | |
51 | public function setDefaultOptions(OptionsResolverInterface $resolver) | |
52 | { | |
53 | $resolver->setDefaults(array( | |
54 | 'precision' => 2, | |
55 | 'grouping' => false, | |
56 | 'divisor' => 1, | |
57 | 'currency' => 'EUR', | |
58 | 'compound' => false, | |
59 | )); | |
60 | } | |
61 | ||
62 | /** | |
63 | * {@inheritdoc} | |
64 | */ | |
65 | public function getName() | |
66 | { | |
67 | return 'money'; | |
68 | } | |
69 | ||
70 | /** | |
71 | * Returns the pattern for this locale | |
72 | * | |
73 | * The pattern contains the placeholder "{{ widget }}" where the HTML tag should | |
74 | * be inserted | |
75 | */ | |
76 | protected static function getPattern($currency) | |
77 | { | |
78 | if (!$currency) { | |
79 | return '{{ widget }}'; | |
80 | } | |
81 | ||
82 | $locale = \Locale::getDefault(); | |
83 | ||
84 | if (!isset(self::$patterns[$locale])) { | |
85 | self::$patterns[$locale] = array(); | |
86 | } | |
87 | ||
88 | if (!isset(self::$patterns[$locale][$currency])) { | |
89 | $format = new \NumberFormatter($locale, \NumberFormatter::CURRENCY); | |
90 | $pattern = $format->formatCurrency('123', $currency); | |
91 | ||
92 | // the spacings between currency symbol and number are ignored, because | |
93 | // a single space leads to better readability in combination with input | |
94 | // fields | |
95 | ||
96 | // the regex also considers non-break spaces (0xC2 or 0xA0 in UTF-8) | |
97 | ||
98 | preg_match('/^([^\s\xc2\xa0]*)[\s\xc2\xa0]*123(?:[,.]0+)?[\s\xc2\xa0]*([^\s\xc2\xa0]*)$/u', $pattern, $matches); | |
99 | ||
100 | if (!empty($matches[1])) { | |
101 | self::$patterns[$locale][$currency] = $matches[1].' {{ widget }}'; | |
102 | } elseif (!empty($matches[2])) { | |
103 | self::$patterns[$locale][$currency] = '{{ widget }} '.$matches[2]; | |
104 | } else { | |
105 | self::$patterns[$locale][$currency] = '{{ widget }}'; | |
106 | } | |
107 | } | |
108 | ||
109 | return self::$patterns[$locale][$currency]; | |
110 | } | |
111 | } |