flags_language.module in Flags 8

File

flags_language/flags_language.module

<?php

use Drupal\flags\Mapping\FlagMappingInterface;
use Drupal\Core\Block\BlockPluginInterface;

/**
 * Implements hook_language_switch_links_alter().
 *
 * Implemented to add flags to the language switcher links.
 *
 * @param array  $links
 * @param string $type
 * @param string $path
 */
function flags_language_language_switch_links_alter(array &$links, $type, $path) {

  /** @var FlagMappingInterface $mapper */
  $mapper = \Drupal::service('flags.mapping.language');
  foreach ($links as $langCode => &$link) {
    $title = $link['title'];

    // If title is a string, then we turn it into renderable array.
    // Otherwise it probably already is a renderable array.
    if (is_string($title)) {
      $title = array(
        '#markup' => $link['title'],
      );
    }
    $link['title'] = array(
      'flag' => array(
        '#theme' => 'flags',
        '#code' => $mapper
          ->map($langCode),
        '#source' => 'language',
      ),
      'title' => $title,
    );
  }
}

/**
 * Implements hook_block_view_BASE_BLOCK_ID_alter().
 *
 * Implemented to attach flags CSS to the language switcher block.
 *
 * @param array                 $build
 * @param BlockPluginInterface  $block
 */
function flags_language_block_view_language_block_alter(array &$build, BlockPluginInterface $block) {
  $build['#attached']['library'][] = 'flags/flags';
}
function flags_language_field_widget_info_alter(array &$info) {

  // Allow to use widget language_select_menu only when select_icons enabled.
  if (\Drupal::moduleHandler()
    ->moduleExists('select_icons')) {
    $info['language_select_menu']['field_types'][] = 'language';
  }
}

Functions

Name	Description
flags_language_block_view_language_block_alter	Implements hook_block_view_BASE_BLOCK_ID_alter().
flags_language_field_widget_info_alter
flags_language_language_switch_links_alter	Implements hook_language_switch_links_alter().