class FieldNote

Plugin implementation of the 'field_permission_example' field type.

Plugin annotation


@FieldType(
  id = "field_permission_example_field_note",
  label = @Translation("Example Field Note"),
  module = "field_permission_example",
  description = @Translation("Demonstrates a field simple field note type with permission-based access control."),
  default_widget = "field_permission_example_widget",
  default_formatter = "field_permission_example_simple_formatter"
)

Hierarchy

  • class \Drupal\field_permission_example\Plugin\Field\FieldType\FieldNote extends \Drupal\Core\Field\FieldItemBase

Expanded class hierarchy of FieldNote

File

View on git.drupalcode.org

modules/field_permission_example/src/Plugin/Field/FieldType/FieldNote.php, line 21

Namespace

Drupal\field_permission_example\Plugin\Field\FieldType
View source 
class FieldNote extends FieldItemBase {
  
  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'value' => [
          'type' => 'text',
          'size' => 'normal',
          'not null' => FALSE,
        ],
      ],
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    $value = $this->get('value')
      ->getValue();
    return $value === NULL || $value === '';
  }
  
  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties['value'] = DataDefinition::create('string')->setLabel(t('Field Note'));
    return $properties;
  }

}

Members

Title Modifiers Object type Summary
FieldNote::isEmpty public function
FieldNote::propertyDefinitions public static function
FieldNote::schema public static function