public static function ImageStyleItem::propertyDefinitions in Field Image Style 8

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 FieldItemInterface::propertyDefinitions

See also

\Drupal\Core\Field\BaseFieldDefinition

File

src/Plugin/Field/FieldType/ImageStyleItem.php, line 38

Class

ImageStyleItem

Plugin implementation of the 'image_style' field type.

Namespace

Drupal\field_image_style\Plugin\Field\FieldType

Code

public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
  $properties['value'] = DataDefinition::create('string')
    ->setLabel(t('Text value'))
    ->addConstraint('Length', array(
    'max' => 255,
  ))
    ->setRequired(TRUE);
  return $properties;
}