function EntityFieldDeriver::getDerivativeDefinitions

Overrides DeriverBase::getDerivativeDefinitions

File

modules/ctools_block/src/Plugin/Deriver/EntityFieldDeriver.php, line 16

Class

EntityFieldDeriver

Provides entity field block definitions for every field.

Namespace

Code

public function getDerivativeDefinitions($base_plugin_definition) {
    $entity_type_labels = $this->entityTypeRepository
        ->getEntityTypeLabels();
    foreach ($this->entityFieldManager
        ->getFieldMap() as $entity_type_id => $entity_field_map) {
        // Some base fields have no storage.
        
        /** @var \Drupal\Core\Field\FieldDefinitionInterface[] $field_storage_definitions */
        $field_storage_definitions = array_merge($this->entityFieldManager
            ->getBaseFieldDefinitions($entity_type_id), $this->entityFieldManager
            ->getFieldStorageDefinitions($entity_type_id));
        foreach ($field_storage_definitions as $field_storage_definition) {
            $field_name = $field_storage_definition->getName();
            // The blocks are based on fields. However, we are looping through field
            // storages for which no fields may exist. If that is the case, skip
            // this field storage.
            if (!isset($entity_field_map[$field_name])) {
                continue;
            }
            $field_info = $entity_field_map[$field_name];
            $derivative_id = $entity_type_id . ":" . $field_name;
            // Get the admin label for both base and configurable fields.
            if ($field_storage_definition->isBaseField()) {
                $admin_label = $field_storage_definition->getLabel();
            }
            else {
                // We take the field label used on the first bundle.
                $first_bundle = reset($field_info['bundles']);
                $bundle_field_definitions = $this->entityFieldManager
                    ->getFieldDefinitions($entity_type_id, $first_bundle);
                // The field storage config may exist, but it's possible that no
                // fields are actually using it. If that's the case, skip to the next
                // field.
                if (empty($bundle_field_definitions[$field_name])) {
                    continue;
                }
                $admin_label = $bundle_field_definitions[$field_name]->getLabel();
            }
            // Set plugin definition for derivative.
            $derivative = $base_plugin_definition;
            $derivative['category'] = $this->t('@entity', [
                '@entity' => $entity_type_labels[$entity_type_id],
            ]);
            $derivative['admin_label'] = $admin_label;
            $derivative['context_definitions'] = [
                'entity' => new EntityContextDefinition('entity:' . $entity_type_id, $entity_type_labels[$entity_type_id], TRUE),
            ];
            $this->derivatives[$derivative_id] = $derivative;
        }
    }
    return $this->derivatives;
}