X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=web%2Fmodules%2Fcontrib%2Fmetatag%2Fmetatag_hreflang%2Fsrc%2FPlugin%2FDerivative%2FHreflangDeriver.php;fp=web%2Fmodules%2Fcontrib%2Fmetatag%2Fmetatag_hreflang%2Fsrc%2FPlugin%2FDerivative%2FHreflangDeriver.php;h=46e27426126ae04b72c9850e6642152c21432eca;hp=0000000000000000000000000000000000000000;hb=af6d1fb995500ae68849458ee10d66abbdcfb252;hpb=680c79a86e3ed402f263faeac92e89fb6d9edcc0

diff --git a/web/modules/contrib/metatag/metatag_hreflang/src/Plugin/Derivative/HreflangDeriver.php b/web/modules/contrib/metatag/metatag_hreflang/src/Plugin/Derivative/HreflangDeriver.php
new file mode 100644
index 000000000..46e274261
--- /dev/null
+++ b/web/modules/contrib/metatag/metatag_hreflang/src/Plugin/Derivative/HreflangDeriver.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Drupal\metatag_hreflang\Plugin\Derivative;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\Core\Language\Language;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Create a new hreflang tag plugin for each enabled language.
+ */
+class HreflangDeriver extends DeriverBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDerivativeDefinitions($base_plugin_definition) {
+    // Get a list of all defined languages.
+    $languages = \Drupal::languageManager()
+      ->getLanguages(LanguageInterface::STATE_ALL);
+
+    // Now we loop over them and declare the derivatives.
+    /** @var \Drupal\Core\Language\LanguageInterface $language */
+    foreach ($languages as $langcode => $language) {
+      // Ignore the global values.
+      if ($langcode == Language::LANGCODE_NOT_SPECIFIED) {
+        continue;
+      }
+      elseif ($langcode == Language::LANGCODE_NOT_APPLICABLE) {
+        continue;
+      }
+
+      // The base definition includes the annotations defined in the plugin,
+      // i.e. HreflangPerLanguage. Each one may be overridden.
+      $derivative = $base_plugin_definition;
+
+      // Here we fill in any missing keys on the layout annotation.
+      $derivative['weight']++;
+      $derivative['id'] = 'hreflang_' . $langcode;
+      // The 'name' value is used as the value of the 'hreflang' attribute on
+      // the HTML tag.
+      $derivative['name'] = $langcode;
+      $derivative['label'] = t("URL for a version of this page in %langcode", ['%langcode' => $language->getName()]);
+      $derivative['description'] = '';
+
+      // Reference derivatives based on their UUID instead of the record ID.
+      $this->derivatives[$derivative['id']] = $derivative;
+    }
+
+    return $this->derivatives;
+  }
+
+}