function template_preprocess_linkicon_item in Link Icon 8

Prepares variables for linkicon_item templates.

Default template: linkicon-item.html.twig.

Parameters

array $variables: An associative array containing:

• element: An associative array containing the properties of the element. Array keys: #title, #icon_name, #settings, #attributes.
  • title: The link text or title, already sanitized at viewElements.
  • icon_name: The icon name, e.g.: twitter, facebook, etc.
  • settings: The formatter settings.
  • attributes: An associative array of attributes to be placed in the span tag.

Note: String variables in the template are now autoescaped by Twig.

See also

https://drupal.org/node/2296163

File

./linkicon.theme.inc, line 60

Preprocessors and theme functions of Linkicon module.

Code

function template_preprocess_linkicon_item(array &$variables) {
  $element = $variables['element'];
  foreach ([
    'attributes',
    'icon_name',
    'settings',
    'title',
  ] as $key) {
    $default = $key == 'attributes' || $key == 'settings' ? [] : '';
    $variables[$key] = isset($element["#{$key}"]) ? $element["#{$key}"] : $default;
  }
  $settings = $variables['settings'];
  $attributes = $variables['attributes'];
  $prefix = Html::escape(trim($settings['prefix']));
  $icon_class = Html::cleanCssIdentifier(mb_strtolower($prefix . '-' . trim($variables['icon_name'])));
  $attributes['aria-hidden'] = 'true';
  $attributes['class'][] = 'linkicon__icon';

  // The 'icon' class to get consistent across icon and linkicon module, only
  // needed if the icon prefix is not 'icon', e.g., 'fa' for Fontawesome >= 4.
  if ($prefix != 'icon') {
    $attributes['class'][] = 'icon';
  }

  // Order is important for FontAwesome, else broken, fab far fas come first.
  if (!empty($settings['icon_class'])) {
    $attributes['class'][] = trim($settings['icon_class']);
  }
  $attributes['class'][] = $prefix . ' ' . $icon_class;

  // @todo Icon API integration, none by D8 3/2/14.
  if (!empty($settings['bundle'])) {

    // @see https://www.drupal.org/node/2195739
    $icon = [
      '#theme' => 'icon',
      '#bundle' => $settings['bundle'],
      '#icon' => $variables['icon_name'],
      '#attributes' => $attributes,
    ];
  }
  else {
    $icon['#markup'] = '<span ' . new Attribute($attributes) . '></span>';
  }
  $variables['icon'] = $icon;
  $variables['title_attributes'] = new Attribute();
}