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<?php |
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namespace Drupal\Driver\Fields\Drupal8; |
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use Drupal\Driver\Fields\FieldHandlerInterface; |
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/** |
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* Base class for field handlers in Drupal 8. |
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*/ |
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abstract class AbstractHandler implements FieldHandlerInterface { |
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/** |
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* Field storage definition. |
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* |
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* @var \Drupal\field\Entity\FieldStorageConfig |
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*/ |
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protected $fieldInfo = NULL; |
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/** |
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* Field configuration definition. |
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* |
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* @var \Drupal\field\Entity\FieldConfig |
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*/ |
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protected $fieldConfig = NULL; |
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protected function slice_array_depth($array, $depth = 0) { |
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foreach ($array as $key => $value) { |
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if (is_array($value)) { |
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if ($depth > 0) { |
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$array[$key] = slice_array_depth($value, $depth - 1); |
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} else { |
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unset($array[$key]); |
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} |
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} |
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} |
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return $array; |
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} |
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/** |
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* Constructs an AbstractHandler object. |
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* |
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* @param \stdClass $entity |
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* The simulated entity object containing field information. |
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* @param string $entity_type |
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* The entity type. |
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* @param string $field_name |
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* The field name. |
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* |
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* @throws \Exception |
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* Thrown when the given field name does not exist on the entity. |
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*/ |
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public function __construct(\stdClass $entity, $entity_type, $field_name) { |
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if (empty($entity_type)) { |
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throw new \Exception("You must specify an entity type in order to parse entity fields."); |
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} |
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$entity_manager = \Drupal::entityManager(); |
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$fields = $entity_manager->getFieldStorageDefinitions($entity_type); |
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$this->fieldInfo = $fields[$field_name]; |
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// The bundle may be stored either under "step_bundle" or under the name of the entity's bundle key. |
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// If both are empty, assume this is a single bundle entity, and therefore make the bundle name the entity type. |
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$bundle_key = $entity_manager->getDefinition($entity_type)->getKey('bundle'); |
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$bundle = !empty($entity->$bundle_key) ? $entity->$bundle_key : (isset($entity->step_bundle) ? $entity->step_bundle : $entity_type); |
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$fields = $entity_manager->getFieldDefinitions($entity_type, $bundle); |
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$fieldsstring = '';foreach ($fields as $key => $value){$fieldsstring = $fieldsstring . ", " . $key;} |
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if (empty($fields[$field_name])) { |
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throw new \Exception(sprintf('The field "%s" does not exist on entity type "%s" bundle "%s".', $field_name, $entity_type, $bundle)); |
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} |
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$this->fieldConfig = $fields[$field_name]; |
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} |
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} |
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jhedstrom /
DrupalDriver
