protected function LanguageFormatter::viewValue in Custom Language field 8

Generate the output appropriate for one field item.

Parameters

\Drupal\Core\Field\FieldItemInterface $item: One field item.

Return value

array The textual output generated as a render array.

Overrides StringFormatter::viewValue

File

src/Plugin/Field/FieldFormatter/LanguageFormatter.php, line 126

Class

LanguageFormatter

Plugin implementation of the 'language_field' formatter.

Namespace

Drupal\languagefield\Plugin\Field\FieldFormatter

Code

protected function viewValue(FieldItemInterface $item) {
  $settings = $this
    ->getSettings();
  $langcode = $item->value;

  // Do NOT use \Drupal::languageManager,
  // since it only uses installed languages.
  // Do call LanguageItem::getLanguage to have
  // the benefit of added custom languages.
  $language = CustomLanguageManager::createFromLangcode($langcode);
  $language_translated_name = $language
    ->getName();

  // Create the markup for this value.
  $markup = [];
  if (!empty($settings['format']['iso'])) {
    $markup[] = $langcode;
  }
  if (!empty($settings['format']['name'])) {

    // @todo Use language of user of of content entity?
    $markup[] = $language_translated_name;
  }
  if (!empty($settings['format']['name_native'])) {

    // @todo Create feature request to add function to D8 core.
    $native_name = $item
      ->getNativeName();
    $markup[] = empty($settings['format']['name']) ? $native_name : '(' . $native_name . ')';
  }
  $markup = empty($markup) ? $language_translated_name : implode(' ', $markup);
  $result = [
    '#type' => 'processed_text',
    '#context' => [
      'value' => $item->value,
    ],
    '#format' => $item->format,
  ];

  // Add variables for languageicons theme function.
  if (!empty($settings['format']['icon']) && $this->moduleHandler
    ->moduleExists('languageicons')) {
    $result += [
      'language' => $language,
      'title' => $markup,
    ];
    languageicons_link_add($result, $language_translated_name);
    unset($result['language']);
    unset($result['html']);
  }
  else {

    // The text value has no text format assigned to it, so the user input
    // should equal the output, including newlines.
    $result += [
      '#text' => $markup,
    ];
  }
  return $result;
}