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[yaffs-website] / web / core / modules / media / src / Plugin / media / Source / Image.php

diff --git a/web/core/modules/media/src/Plugin/media/Source/Image.php b/web/core/modules/media/src/Plugin/media/Source/Image.php
new file mode 100644 (file)
index 0000000..46f6782
--- /dev/null
+++ b/web/core/modules/media/src/Plugin/media/Source/Image.php
@@ -0,0 +1,160 @@
+<?php
+
+namespace Drupal\media\Plugin\media\Source;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Entity\EntityFieldManagerInterface;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Field\FieldTypePluginManagerInterface;
+use Drupal\Core\File\FileSystem;
+use Drupal\Core\Image\ImageFactory;
+use Drupal\media\MediaInterface;
+use Drupal\media\MediaTypeInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Image entity media source.
+ *
+ * @see \Drupal\Core\Image\ImageInterface
+ *
+ * @MediaSource(
+ *   id = "image",
+ *   label = @Translation("Image"),
+ *   description = @Translation("Use local images for reusable media."),
+ *   allowed_field_types = {"image"},
+ *   default_thumbnail_filename = "no-thumbnail.png"
+ * )
+ */
+class Image extends File {
+
+  /**
+   * Key for "image width" metadata attribute.
+   *
+   * @var string
+   */
+  const METADATA_ATTRIBUTE_WIDTH = 'width';
+
+  /**
+   * Key for "image height" metadata attribute.
+   *
+   * @var string
+   */
+  const METADATA_ATTRIBUTE_HEIGHT = 'height';
+
+  /**
+   * The image factory service.
+   *
+   * @var \Drupal\Core\Image\ImageFactory
+   */
+  protected $imageFactory;
+
+  /**
+   * The file system service.
+   *
+   * @var \Drupal\Core\File\FileSystem
+   */
+  protected $fileSystem;
+
+  /**
+   * Constructs a new class instance.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin_id for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   Entity type manager service.
+   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
+   *   Entity field manager service.
+   * @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager
+   *   The field type plugin manager service.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The config factory service.
+   * @param \Drupal\Core\Image\ImageFactory $image_factory
+   *   The image factory.
+   * @param \Drupal\Core\File\FileSystem $file_system
+   *   The file system service.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager, EntityFieldManagerInterface $entity_field_manager, FieldTypePluginManagerInterface $field_type_manager, ConfigFactoryInterface $config_factory, ImageFactory $image_factory, FileSystem $file_system) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $entity_type_manager, $entity_field_manager, $field_type_manager, $config_factory);
+
+    $this->imageFactory = $image_factory;
+    $this->fileSystem = $file_system;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('entity_type.manager'),
+      $container->get('entity_field.manager'),
+      $container->get('plugin.manager.field.field_type'),
+      $container->get('config.factory'),
+      $container->get('image.factory'),
+      $container->get('file_system')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getMetadataAttributes() {
+    $attributes = parent::getMetadataAttributes();
+
+    $attributes += [
+      static::METADATA_ATTRIBUTE_WIDTH => $this->t('Width'),
+      static::METADATA_ATTRIBUTE_HEIGHT => $this->t('Height'),
+    ];
+
+    return $attributes;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getMetadata(MediaInterface $media, $name) {
+    // Get the file and image data.
+    /** @var \Drupal\file\FileInterface $file */
+    $file = $media->get($this->configuration['source_field'])->entity;
+    // If the source field is not required, it may be empty.
+    if (!$file) {
+      return parent::getMetadata($media, $name);
+    }
+
+    $uri = $file->getFileUri();
+    $image = $this->imageFactory->get($uri);
+    switch ($name) {
+      case static::METADATA_ATTRIBUTE_WIDTH:
+        return $image->getWidth() ?: NULL;
+
+      case static::METADATA_ATTRIBUTE_HEIGHT:
+        return $image->getHeight() ?: NULL;
+
+      case 'thumbnail_uri':
+        return $uri;
+    }
+
+    return parent::getMetadata($media, $name);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function createSourceField(MediaTypeInterface $type) {
+    /** @var \Drupal\field\FieldConfigInterface $field */
+    $field = parent::createSourceField($type);
+
+    // Reset the field to its default settings so that we don't inherit the
+    // settings from the parent class' source field.
+    $settings = $this->fieldTypeManager->getDefaultFieldSettings($field->getType());
+
+    return $field->set('settings', $settings);
+  }
+
+}