Version 1

[yaffs-website] / web / core / modules / image / src / Plugin / Field / FieldFormatter / ImageFormatterBase.php

diff --git a/web/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatterBase.php b/web/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatterBase.php
new file mode 100644 (file)
index 0000000..335868a
--- /dev/null
+++ b/web/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatterBase.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Drupal\image\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Field\EntityReferenceFieldItemListInterface;
+use Drupal\field\FieldConfigInterface;
+use Drupal\file\Plugin\Field\FieldFormatter\FileFormatterBase;
+
+/**
+ * Base class for image file formatters.
+ */
+abstract class ImageFormatterBase extends FileFormatterBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEntitiesToView(EntityReferenceFieldItemListInterface $items, $langcode) {
+    // Add the default image if needed.
+    if ($items->isEmpty()) {
+      $default_image = $this->getFieldSetting('default_image');
+      // If we are dealing with a configurable field, look in both
+      // instance-level and field-level settings.
+      if (empty($default_image['uuid']) && $this->fieldDefinition instanceof FieldConfigInterface) {
+        $default_image = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('default_image');
+      }
+      if (!empty($default_image['uuid']) && $file = \Drupal::entityManager()->loadEntityByUuid('file', $default_image['uuid'])) {
+        // Clone the FieldItemList into a runtime-only object for the formatter,
+        // so that the fallback image can be rendered without affecting the
+        // field values in the entity being rendered.
+        $items = clone $items;
+        $items->setValue([
+          'target_id' => $file->id(),
+          'alt' => $default_image['alt'],
+          'title' => $default_image['title'],
+          'width' => $default_image['width'],
+          'height' => $default_image['height'],
+          'entity' => $file,
+          '_loaded' => TRUE,
+          '_is_default' => TRUE,
+        ]);
+        $file->_referringItem = $items[0];
+      }
+    }
+
+    return parent::getEntitiesToView($items, $langcode);
+  }
+
+}