trait FieldAPIHandlerTrait

A trait containing helper methods for field definitions.

Hierarchy

7 files declare their use of FieldAPIHandlerTrait
Date.php in core/modules/datetime/src/Plugin/views/sort/Date.php
Date.php in core/modules/datetime/src/Plugin/views/filter/Date.php
Date.php in core/modules/datetime/src/Plugin/views/argument/Date.php
EntityField.php in core/modules/views/src/Plugin/views/field/EntityField.php
ListField.php in core/modules/options/src/Plugin/views/filter/ListField.php

... See full list

File

View on git.drupalcode.org

core/modules/views/src/FieldAPIHandlerTrait.php, line 10

Namespace

Drupal\views
View source 
trait FieldAPIHandlerTrait {
  
  /**
   * The field definition.
   *
   * @var \Drupal\Core\Field\FieldDefinitionInterface
   */
  protected $fieldDefinition;
  
  /**
   * The field storage definition.
   *
   * @var \Drupal\field\FieldStorageConfigInterface
   */
  protected $fieldStorageDefinition;
  
  /**
   * The entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;
  
  /**
   * Gets the field definition.
   *
   * A View works on an entity type across bundles, and thus only has access to
   * field storage definitions. In order to be able to use widgets and
   * formatters, we create a generic field definition out of that storage
   * definition.
   *
   * @see BaseFieldDefinition::createFromFieldStorageDefinition()
   *
   * @return \Drupal\Core\Field\FieldDefinitionInterface
   *   The field definition used by this handler.
   */
  protected function getFieldDefinition() {
    if (!$this->fieldDefinition) {
      $field_storage_config = $this->getFieldStorageDefinition();
      $this->fieldDefinition = BaseFieldDefinition::createFromFieldStorageDefinition($field_storage_config);
    }
    return $this->fieldDefinition;
  }
  
  /**
   * Gets the field storage configuration.
   *
   * @return \Drupal\field\FieldStorageConfigInterface
   *   The field storage definition used by this handler
   */
  protected function getFieldStorageDefinition() {
    if (!$this->fieldStorageDefinition) {
      $field_storage_definitions = $this->getEntityFieldManager()
        ->getFieldStorageDefinitions($this->definition['entity_type']);
      $this->fieldStorageDefinition = $field_storage_definitions[$this->definition['field_name']];
    }
    return $this->fieldStorageDefinition;
  }
  
  /**
   * Returns the entity field manager.
   *
   * @return \Drupal\Core\Entity\EntityFieldManagerInterface
   *   The entity field manager.
   */
  protected function getEntityFieldManager() {
    if (!isset($this->entityFieldManager)) {
      $this->entityFieldManager = \Drupal::service('entity_field.manager');
    }
    return $this->entityFieldManager;
  }

}

Members

Title Modifiers Object type Summary Overrides
FieldAPIHandlerTrait::$entityFieldManager protected property The entity field manager.
FieldAPIHandlerTrait::$fieldDefinition protected property The field definition.
FieldAPIHandlerTrait::$fieldStorageDefinition protected property The field storage definition.
FieldAPIHandlerTrait::getEntityFieldManager protected function Returns the entity field manager.
FieldAPIHandlerTrait::getFieldDefinition protected function Gets the field definition.
FieldAPIHandlerTrait::getFieldStorageDefinition protected function Gets the field storage configuration. 1

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