class ViewsData in Plugin 8.2

Provides/alters Views data.

Hierarchy

• class \Drupal\plugin\ViewsData

1 string reference to 'ViewsData'

plugin.services.yml in ./plugin.services.yml

plugin.services.yml

1 service uses ViewsData

plugin.views_data in ./plugin.services.yml

Drupal\plugin\ViewsData

File

src/ViewsData.php, line 17

Namespace

Drupal\plugin

class ViewsData {

  /**
   * The entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The plugin type manager.
   *
   * @var \Drupal\plugin\PluginType\PluginTypeManagerInterface
   */
  protected $pluginTypeManager;

  /**
   * Constructs a new instance.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
   *   The entity field manager.
   * @param \Drupal\plugin\PluginType\PluginTypeManagerInterface
   *   The plugin type manager.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, EntityFieldManagerInterface $entity_field_manager, PluginTypeManagerInterface $plugin_type_manager) {
    $this->entityFieldManager = $entity_field_manager;
    $this->entityTypeManager = $entity_type_manager;
    $this->pluginTypeManager = $plugin_type_manager;
  }

  /**
   * Implements hook_views_data_alter().
   */
  public function alterViewsData(array &$data) {

    // We need to work with entity type database table mappings, which are
    // available per entity type.
    foreach ($this->entityTypeManager
      ->getDefinitions() as $entity_type) {

      // Skip non-fieldable entity types.
      if (!$entity_type
        ->entityClassImplements(FieldableEntityInterface::class)) {
        continue;
      }
      $base_field_definitions = $this->entityFieldManager
        ->getBaseFieldDefinitions($entity_type
        ->id());
      $entity_storage = $this->entityTypeManager
        ->getStorage($entity_type
        ->id());

      // We cannot alter Views data if we cannot map fields to tables.
      if (!$entity_storage instanceof SqlEntityStorageInterface) {
        continue;
      }
      $table_mapping = $entity_storage
        ->getTableMapping();

      // Loop through all of this entity type's stored fields.
      foreach ($table_mapping
        ->getTableNames() as $table_name) {
        foreach ($table_mapping
          ->getFieldNames($table_name) as $field_name) {

          // Skip fields that are no base fields.
          if (!isset($base_field_definitions[$field_name])) {
            continue;
          }
          $base_field_storage_definition = $base_field_definitions[$field_name]
            ->getFieldStorageDefinition();

          // Skip if this is no "plugin" base field.
          if (strpos($base_field_storage_definition
            ->getType(), 'plugin:') !== 0) {
            continue;
          }

          // Get the column names.
          if ($base_field_storage_definition
            ->getCardinality() == 1) {
            $plugin_id_column_name = $table_mapping
              ->getFieldColumnName($base_field_storage_definition, 'plugin_id');
            $plugin_configuration_column_name = $table_mapping
              ->getFieldColumnName($base_field_storage_definition, 'plugin_configuration');
          }
          else {
            $plugin_id_column_name = $base_field_storage_definition
              ->getName() . '__plugin_id';
            $plugin_configuration_column_name = $base_field_storage_definition
              ->getName() . '__plugin_configuration';
          }
          $this
            ->alterPluginFieldData($data, $base_field_storage_definition, $table_name, $plugin_id_column_name, $plugin_configuration_column_name);
        }
      }
    }
  }

  /**
   * Implements hook_field_views_data_alter().
   */
  public function alterFieldViewsData(array &$data, FieldStorageConfigInterface $field_storage) {

    // Alters Views data for configurable "plugin" fields.
    if (strpos($field_storage
      ->getType(), 'plugin:') === 0) {
      $table_name = $field_storage
        ->getTargetEntityTypeId() . '__' . $field_storage
        ->getName();
      $plugin_id_column_name = $field_storage
        ->getName() . '_plugin_id';
      $plugin_configuration_column_name = $field_storage
        ->getName() . '_plugin_configuration';

      // Skip if there is no Views data for this field.
      if (!isset($data[$table_name][$plugin_id_column_name])) {
        return;
      }
      $this
        ->alterPluginFieldData($data, $field_storage, $table_name, $plugin_id_column_name, $plugin_configuration_column_name);
    }
  }

  /**
   * Alters Views data for the "plugin" field type.
   *
   * @param array[] $data
   *   An array of Views data.
   * @param \Drupal\Core\Field\FieldStorageDefinitionInterface $field_storage_definition
   *   The storage definition of the field to alter the data for.
   * @param string $table_name
   *   The name of the table to alter the data for.
   * @param string $plugin_id_column_name
   *   The name of the plugin ID column.
   * @param string|null $plugin_configuration_column_name
   *   The name of the plugin configuration column, or NULL if there is none.
   *
   * @throws \InvalidArgumentException
   */
  protected function alterPluginFieldData(array &$data, FieldStorageDefinitionInterface $field_storage_definition, $table_name, $plugin_id_column_name, $plugin_configuration_column_name = NULL) {
    if (strpos($field_storage_definition
      ->getType(), 'plugin:')) {
      throw new \InvalidArgumentException('The Views data being altered is not for a "plugin" field.');
    }

    // Do nothing if no Views data exists. This is the case for entity types
    // without Views data handlers, for instance.
    if (!isset($data[$table_name][$plugin_id_column_name])) {
      return;
    }
    $plugin_type_id = substr($field_storage_definition
      ->getType(), 7);
    $plugin_type = $this->pluginTypeManager
      ->getPluginType($plugin_type_id);

    // Alter the plugin ID column.

    /** @var \Drupal\Core\StringTranslation\TranslatableMarkup $plugin_id_old_title */
    $plugin_id_old_title = $data[$table_name][$plugin_id_column_name]['title'];
    $plugin_id_title_arguments = [
      '@type_label' => $plugin_type
        ->getLabel(),
      '@name' => $field_storage_definition
        ->getName(),
      '@column' => $plugin_id_column_name,
    ];
    $data[$table_name][$plugin_id_column_name]['title'] = new TranslatableMarkup('@type_label ID (@name:@column)', $plugin_id_title_arguments, $plugin_id_old_title
      ->getOptions());
    $data[$table_name][$plugin_id_column_name]['filter']['id'] = 'plugin_id';
    $data[$table_name][$plugin_id_column_name]['filter']['plugin_type_id'] = $plugin_type_id;

    // Alter the plugin configuration column. We cannot display it, or filter by
    // it, so we remove it to prevent confusion.
    if ($plugin_configuration_column_name) {
      unset($data[$table_name][$plugin_configuration_column_name]);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ViewsData::$entityFieldManager	protected	property	The entity field manager.
ViewsData::$entityTypeManager	protected	property	The entity type manager.
ViewsData::$pluginTypeManager	protected	property	The plugin type manager.
ViewsData::alterFieldViewsData	public	function	Implements hook_field_views_data_alter().
ViewsData::alterPluginFieldData	protected	function	Alters Views data for the "plugin" field type.
ViewsData::alterViewsData	public	function	Implements hook_views_data_alter().
ViewsData::__construct	public	function	Constructs a new instance.