function template_preprocess_languageicons_link_content in Language Icons 8

Prepares variables for rendering the content of a language link.

Default template: languageicons-link-content.html.twig.

Parameters

array $variables: An associative array containing:

• language: The language.
• separator: The separator between icon and link text.
• text: The text shown in the link.
• title: The image title for the icon.

Throws

\Exception Thrown when the path to the language icon images is not set.

File

./languageicons.module, line 102

Main functions and hook implementations for the Language Icons module.

Code

function template_preprocess_languageicons_link_content(&$variables) {

  /** @var \Drupal\language\Entity\ConfigurableLanguage $language */
  $language = $variables['language'];
  $title = $variables['title'] ? $variables['title'] : $language
    ->getName();
  $size = \Drupal::config('languageicons.settings')
    ->get('size');
  list($width, $height) = explode('x', $size);
  if ($path = \Drupal::config('languageicons.settings')
    ->get('path')) {
    $variables['icon'] = [
      '#theme' => 'image',
      '#uri' => str_replace('*', $language
        ->getId(), Html::escape($path)),
      '#alt' => $title,
      '#title' => $title,
      '#width' => $width,
      '#height' => $height,
      '#attributes' => [
        'class' => [
          'language-icon',
        ],
      ],
    ];
  }
  else {
    throw new \Exception('Path to language icons is not defined.');
  }
  $variables['placement'] = \Drupal::config('languageicons.settings')
    ->get('placement');
}