Displays a link to switch the language.

Only if the content has been translated already.
This commit is contained in:
David Valdez 2019-01-22 12:05:38 -06:00
parent a6ed2a3e5a
commit 55c322eb79

View file

@ -1,6 +1,8 @@
<?php <?php
use \Drupal\block\Entity\Block; use Drupal\block\Entity\Block;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Url;
/** /**
* Implements hook_preprocess_region__footer(). * Implements hook_preprocess_region__footer().
@ -11,4 +13,53 @@ function agarica_preprocess_region__footer(&$variables) {
->getViewBuilder('block') ->getViewBuilder('block')
->view($block); ->view($block);
$variables['language_switcher'] = $block_content; $variables['language_switcher'] = $block_content;
$variables['language_switcher_link'] = agarica_languague_switch_link();
}
/**
* Provides a link to switch to another language.
*/
function agarica_languague_switch_link() {
$derivative_id = 'language_interface';
$route = \Drupal::getContainer()->get('path.matcher')->isFrontPage() ? '<front>' : '<current>';
$current_language = \Drupal::languageManager()->getCurrentLanguage($derivative_id)->getId();
$links = \Drupal::languageManager()->getLanguageSwitchLinks($derivative_id, Url::fromRoute($route))->links;
$links['en']['title'] = 'Browser this page on English.';
$links['es']['title'] = 'Consulta esta pagina en Español';
$lid = ($current_language == 'en') ? 'es' : 'en';
// Remove current language from the links
unset($links[$current_language]);
// Check if the current path display an entity.
$entity = FALSE;
foreach (\Drupal::routeMatch()->getParameters() as $param) {
if ($param instanceof EntityInterface) {
$entity[] = $param;
}
}
// Remove links if the content hasnt' been translated yet.
if ($entity) {
$has_translation = (method_exists($entity[0], 'getTranslationStatus')) ? $entity[0]->getTranslationStatus($lid) : FALSE;
$this_translation = ($has_translation && method_exists($entity[0], 'getTranslation')) ? $entity[0]->getTranslation($lid) : FALSE;
$access_translation = ($this_translation && method_exists($this_translation, 'access') && $this_translation->access('view')) ? TRUE : FALSE;
if (!$this_translation || !$access_translation || $current_language == $lid) {
unset($links[$lid]);
}
}
$links_render_array = [];
// Transform the links to arrays that can be renderer.
foreach ($links as $language => $link) {
$links_render_array[] = [
'#type' => 'link',
'#url' => $link['url'],
'#title' => $link['title'],
'#options' => [
'language' => $link['language'],
],
];
}
return $links_render_array;
} }