public static function EntityReferenceHierarchy::propertyDefinitions in Entity Reference Hierarchy 8.2

Same name and namespace in other branches

1. 3.x src/Plugin/Field/FieldType/EntityReferenceHierarchy.php \Drupal\entity_hierarchy\Plugin\Field\FieldType\EntityReferenceHierarchy::propertyDefinitions()

Defines field item properties.

Properties that are required to constitute a valid, non-empty item should be denoted with \Drupal\Core\TypedData\DataDefinition::setRequired().

Return value

\Drupal\Core\TypedData\DataDefinitionInterface[] An array of property definitions of contained properties, keyed by property name.

Overrides EntityReferenceItem::propertyDefinitions

See also

\Drupal\Core\Field\BaseFieldDefinition

File

src/Plugin/Field/FieldType/EntityReferenceHierarchy.php, line 47

Class

EntityReferenceHierarchy

Plugin implementation of the 'entity_reference_hierarchy' field type.

Namespace

Drupal\entity_hierarchy\Plugin\Field\FieldType

Code

public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
  $properties = parent::propertyDefinitions($field_definition);
  $weight_definition = DataDefinition::create('integer')
    ->setLabel($field_definition
    ->getSetting('weight_label'));
  $weight_definition
    ->addConstraint('Range', [
    'min' => self::HIERARCHY_MIN_CHILD_WEIGHT,
  ]);
  $weight_definition
    ->addConstraint('Range', [
    'max' => self::HIERARCHY_MAX_CHILD_WEIGHT,
  ]);
  $properties['weight'] = $weight_definition;
  return $properties;
}