public function IpLanguageNegotiationForm::buildForm in IP Language Negotiation 8

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

Overrides FormInterface::buildForm

File

src/Form/IpLanguageNegotiationForm.php, line 24

Class

IpLanguageNegotiationForm

IP language negotiation form.

Namespace

Drupal\ip_language_negotiation\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $countries = \Drupal::service('country_manager')
    ->getList();
  $languages = \Drupal::languageManager()
    ->getLanguages();
  $language_default = \Drupal::languageManager()
    ->getDefaultLanguage();
  $settings = \Drupal::config('ip_language_negotiation.settings')
    ->get('ip_language_negotiation_countries') ?: [];
  $ip2country_settings_link = Url::fromRoute('ip2country.settings', [
    'fragment' => 'edit-ip2country-debug-preferences',
  ])
    ->toString();
  $form['intro'] = [
    '#markup' => '<p>' . t('Use the interface below to select the default language per country. You only have to set the exceptions, because the default language will be used as fall-back. You can use the <a href="@url">Debug preferences</a> to test the module.', [
      '@url' => $ip2country_settings_link,
    ]) . '</p>',
  ];

  // Remove the default language.
  unset($languages[$language_default
    ->getId()]);

  // Build languages options array.
  $language_options = [
    '' => t('Default (@default_language)', [
      '@default_language' => $language_default
        ->getName(),
    ]),
  ];
  foreach ($languages as $language) {
    $language_options[$language
      ->getId()] = $language
      ->getName();
  }
  $letter = '';
  foreach ($countries as $country_code => $country) {

    // Remove accents so we can sort countries correctly.
    $current_letter = iconv('UTF-8', 'ASCII//TRANSLIT', mb_substr($country, 0, 1));
    if ($letter != $current_letter) {
      $letter = $current_letter;
      if (empty($form['ip_language_letter_' . $letter])) {
        $form['ip_language_letter_' . $letter] = [
          '#type' => 'fieldset',
          '#collapsible' => TRUE,
          '#collapsed' => TRUE,
          '#title' => t('Countries with the letter %letter', [
            '%letter' => $letter,
          ]),
        ];
      }
    }
    $form['ip_language_letter_' . $letter][$country_code] = [
      '#type' => 'radios',
      '#options' => $language_options,
      '#title' => $country,
      '#default_value' => '',
    ];
    if (!empty($settings[$country_code])) {
      $form['ip_language_letter_' . $letter][$country_code]['#default_value'] = $settings[$country_code];
      $form['ip_language_letter_' . $letter]['#collapsed'] = FALSE;
    }
  }
  $form['actions']['#type'] = 'actions';
  $form['actions']['submit'] = [
    '#type' => 'submit',
    '#value' => t('Save configuration'),
  ];
  return $form;
}