NegotiationUrlForm.php 7.29 KB
Newer Older
1 2 3 4 5 6 7 8 9
<?php

/**
 * @file
 * Contains \Drupal\language\Form\NegotiationUrlForm.
 */

namespace Drupal\language\Form;

10
use Drupal\Core\Form\ConfigFormBase;
11
use Drupal\Core\Form\FormStateInterface;
12
use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUrl;
13 14 15 16

/**
 * Configure the URL language negotiation method for this site.
 */
17
class NegotiationUrlForm extends ConfigFormBase {
18 19

  /**
20
   * {@inheritdoc}
21
   */
22
  public function getFormId() {
23 24 25 26
    return 'language_negotiation_configure_url_form';
  }

  /**
27
   * {@inheritdoc}
28
   */
29
  public function buildForm(array $form, FormStateInterface $form_state) {
30
    global $base_url;
31
    $config = $this->config('language.negotiation');
32 33 34 35 36

    $form['language_negotiation_url_part'] = array(
      '#title' => t('Part of the URL that determines language'),
      '#type' => 'radios',
      '#options' => array(
37 38
        LanguageNegotiationUrl::CONFIG_PATH_PREFIX => t('Path prefix'),
        LanguageNegotiationUrl::CONFIG_DOMAIN => t('Domain'),
39 40 41 42 43 44 45 46
      ),
      '#default_value' => $config->get('url.source'),
    );

    $form['prefix'] = array(
      '#type' => 'details',
      '#tree' => TRUE,
      '#title' => t('Path prefix configuration'),
47
      '#open' => TRUE,
48 49 50 51
      '#description' => t('Language codes or other custom text to use as a path prefix for URL language detection. For the default language, this value may be left blank. <strong>Modifying this value may break existing URLs. Use with caution in a production environment.</strong> Example: Specifying "deutsch" as the path prefix code for German results in URLs like "example.com/deutsch/contact".'),
      '#states' => array(
        'visible' => array(
          ':input[name="language_negotiation_url_part"]' => array(
52
            'value' => (string) LanguageNegotiationUrl::CONFIG_PATH_PREFIX,
53 54 55 56 57 58 59 60
          ),
        ),
      ),
    );
    $form['domain'] = array(
      '#type' => 'details',
      '#tree' => TRUE,
      '#title' => t('Domain configuration'),
61
      '#open' => TRUE,
62 63 64 65
      '#description' => t('The domain names to use for these languages. Leave blank for the default language. Use with caution in a production environment.<strong>Modifying this value may break existing URLs. Use with caution in a production environment.</strong> Example: Specifying "de.example.com" as language domain for German will result in an URL like "http://de.example.com/contact".'),
      '#states' => array(
        'visible' => array(
          ':input[name="language_negotiation_url_part"]' => array(
66
            'value' => (string) LanguageNegotiationUrl::CONFIG_DOMAIN,
67 68 69 70 71 72 73 74 75
          ),
        ),
      ),
    );

    $languages = language_list();
    $prefixes = language_negotiation_url_prefixes();
    $domains = language_negotiation_url_domains();
    foreach ($languages as $langcode => $language) {
76
      $t_args = array('%language' => $language->name, '%langcode' => $language->id);
77 78 79 80 81 82 83 84 85
      $form['prefix'][$langcode] = array(
        '#type' => 'textfield',
        '#title' => $language->default ? t('%language (%langcode) path prefix (Default language)', $t_args) : t('%language (%langcode) path prefix', $t_args),
        '#maxlength' => 64,
        '#default_value' => isset($prefixes[$langcode]) ? $prefixes[$langcode] : '',
        '#field_prefix' => $base_url . '/',
      );
      $form['domain'][$langcode] = array(
        '#type' => 'textfield',
86
        '#title' => t('%language (%langcode) domain', array('%language' => $language->name, '%langcode' => $language->id)),
87 88 89 90 91
        '#maxlength' => 128,
        '#default_value' => isset($domains[$langcode]) ? $domains[$langcode] : '',
      );
    }

92
    $form_state->setRedirect('language.negotiation');
93 94 95 96 97 98 99

    return parent::buildForm($form, $form_state);
  }

  /**
   * Implements \Drupal\Core\Form\FormInterface::validateForm().
   */
100
  public function validateForm(array &$form, FormStateInterface $form_state) {
101 102 103 104 105 106 107 108
    $languages = language_list();

    // Count repeated values for uniqueness check.
    $count = array_count_values($form_state['values']['prefix']);
    foreach ($languages as $langcode => $language) {
      $value = $form_state['values']['prefix'][$langcode];

      if ($value === '') {
109
        if (!$language->default && $form_state['values']['language_negotiation_url_part'] == LanguageNegotiationUrl::CONFIG_PATH_PREFIX) {
110 111
          // Throw a form error if the prefix is blank for a non-default language,
          // although it is required for selected negotiation type.
112
          $form_state->setErrorByName("prefix][$langcode", t('The prefix may only be left blank for the default language.'));
113 114 115 116 117
        }
      }
      elseif (strpos($value, '/') !== FALSE) {
        // Throw a form error if the string contains a slash,
        // which would not work.
118
        $form_state->setErrorByName("prefix][$langcode", t('The prefix may not contain a slash.'));
119 120 121 122
      }
      elseif (isset($count[$value]) && $count[$value] > 1) {
        // Throw a form error if there are two languages with the same
        // domain/prefix.
123
        $form_state->setErrorByName("prefix][$langcode", t('The prefix for %language, %value, is not unique.', array('%language' => $language->name, '%value' => $value)));
124 125 126 127 128 129 130 131 132
      }
    }

    // Count repeated values for uniqueness check.
    $count = array_count_values($form_state['values']['domain']);
    foreach ($languages as $langcode => $language) {
      $value = $form_state['values']['domain'][$langcode];

      if ($value === '') {
133
        if (!$language->default && $form_state['values']['language_negotiation_url_part'] == LanguageNegotiationUrl::CONFIG_DOMAIN) {
134 135
          // Throw a form error if the domain is blank for a non-default language,
          // although it is required for selected negotiation type.
136
          $form_state->setErrorByName("domain][$langcode", t('The domain may only be left blank for the default language.'));
137 138 139 140 141
        }
      }
      elseif (isset($count[$value]) && $count[$value] > 1) {
        // Throw a form error if there are two languages with the same
        // domain/domain.
142
        $form_state->setErrorByName("domain][$langcode", t('The domain for %language, %value, is not unique.', array('%language' => $language->name, '%value' => $value)));
143 144 145 146 147 148 149 150 151 152
      }
    }

    // Domain names should not contain protocol and/or ports.
    foreach ($languages as $langcode => $name) {
      $value = $form_state['values']['domain'][$langcode];
      if (!empty($value)) {
        // Ensure we have exactly one protocol when checking the hostname.
        $host = 'http://' . str_replace(array('http://', 'https://'), '', $value);
        if (parse_url($host, PHP_URL_HOST) != $value) {
153
          $form_state->setErrorByName("domain][$langcode", t('The domain for %language may only contain the domain name, not a protocol and/or port.', array('%language' => $name)));
154 155 156 157 158 159 160 161
        }
      }
    }

    parent::validateForm($form, $form_state);
  }

  /**
162
   * {@inheritdoc}
163
   */
164
  public function submitForm(array &$form, FormStateInterface $form_state) {
165
    // Save selected format (prefix or domain).
166
    $this->config('language.negotiation')
167 168 169 170 171 172 173 174 175 176 177
      ->set('url.source', $form_state['values']['language_negotiation_url_part'])
      ->save();

    // Save new domain and prefix values.
    language_negotiation_url_prefixes_save($form_state['values']['prefix']);
    language_negotiation_url_domains_save($form_state['values']['domain']);

    parent::submitForm($form, $form_state);
  }

}