Prepares variables for language negotiation configuration form.

Default template: language-content-configuration-form.html.twig.

Parameters

array $variables: An associative array containing:

• form: A render element representing the form.

File

core/modules/language/src/Hook/LanguageThemeHooks.php, line 43

Class

LanguageThemeHooks

Hook implementations for language.

Namespace

Drupal\language\Hook

Code

public function preprocessLanguageNegotiationConfigureForm(array &$variables) : void {
  $form =& $variables['form'];
  $variables['language_types'] = [];
  foreach ($form['#language_types'] as $type) {
    $header = [
      $this->t('Detection method'),
      $this->t('Description'),
      $this->t('Enabled'),
      $this->t('Weight'),
    ];
    // If there is at least one operation enabled show the operation column.
    if ($form[$type]['#show_operations']) {
      $header[] = $this->t('Operations');
    }
    $table = [
      '#type' => 'table',
      '#header' => $header,
      '#attributes' => [
        'id' => 'language-negotiation-methods-' . $type,
      ],
      '#tabledrag' => [
        [
          'action' => 'order',
          'relationship' => 'sibling',
          'group' => 'language-method-weight-' . $type,
        ],
      ],
    ];
    foreach ($form[$type]['title'] as $id => $element) {
      // Do not take form control structures.
      if (is_array($element) && Element::child($id)) {
        $table[$id]['#attributes']['class'][] = 'draggable';
        $table[$id]['#weight'] = $element['#weight'];
        $table[$id]['title'] = [
          '#prefix' => '<strong>',
          $form[$type]['title'][$id],
          '#suffix' => '</strong>',
        ];
        $table[$id]['description'] = $form[$type]['description'][$id];
        $table[$id]['enabled'] = $form[$type]['enabled'][$id];
        $table[$id]['weight'] = $form[$type]['weight'][$id];
        if ($form[$type]['#show_operations']) {
          $table[$id]['operation'] = $form[$type]['operation'][$id];
        }
        // Unset to prevent rendering along with children.
        unset($form[$type]['title'][$id]);
        unset($form[$type]['description'][$id]);
        unset($form[$type]['enabled'][$id]);
        unset($form[$type]['weight'][$id]);
        unset($form[$type]['operation'][$id]);
      }
    }
    // Unset configurable to prevent rendering twice with children.
    $configurable = $form[$type]['configurable'] ?? NULL;
    unset($form[$type]['configurable']);
    $variables['language_types'][] = [
      'type' => $type,
      'title' => $form[$type]['#title'],
      'description' => $form[$type]['#description'],
      'configurable' => $configurable,
      'table' => $table,
      'children' => $form[$type],
      'attributes' => new Attribute(),
    ];
    // Prevent the type from rendering with the remaining form child elements.
    unset($form[$type]);
  }
  $variables['children'] = $form;
}

---