Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / modules / contrib / metatag / metatag_hreflang / src / Plugin / Derivative / HreflangDeriver.php

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 (file)
index 0000000..46e2742
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+++ 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;
+  }
+
+}