Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / lib / Drupal / Core / Plugin / Context / EntityContext.php

diff --git a/web/core/lib/Drupal/Core/Plugin/Context/EntityContext.php b/web/core/lib/Drupal/Core/Plugin/Context/EntityContext.php
new file mode 100644 (file)
index 0000000..131360d
--- /dev/null
+++ b/web/core/lib/Drupal/Core/Plugin/Context/EntityContext.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace Drupal\Core\Plugin\Context;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+
+/**
+ * Class to provide a specific entity context.
+ */
+class EntityContext extends Context {
+
+  /**
+   * Gets a context from an entity type ID.
+   *
+   * @param string $entity_type_id
+   *   Entity type ID from which a definition will be derived.
+   * @param string $label
+   *   (optional) The label of the context.
+   *
+   * @return static
+   */
+  public static function fromEntityTypeId($entity_type_id, $label = NULL) {
+    $entity_type = \Drupal::entityTypeManager()->getDefinition($entity_type_id);
+    return static::fromEntityType($entity_type, $label);
+  }
+
+  /**
+   * Gets a context from an entity type.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   Entity type from which a definition will be derived.
+   * @param string $label
+   *   (optional) The label of the context.
+   *
+   * @return static
+   */
+  public static function fromEntityType(EntityTypeInterface $entity_type, $label = NULL) {
+    $definition = EntityContextDefinition::fromEntityType($entity_type);
+    if ($label) {
+      $definition->setLabel($label);
+    }
+    return new static($definition);
+  }
+
+  /**
+   * Gets a context object from an entity.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   Entity that provides a context.
+   * @param string $label
+   *   (optional) The label of the context.
+   *
+   * @return \Drupal\Core\Plugin\Context\EntityContext
+   */
+  public static function fromEntity(EntityInterface $entity, $label = NULL) {
+    $context = static::fromEntityType($entity->getEntityType(), $label);
+    $context->setContextValue($entity);
+    return $context;
+  }
+
+}