public function WidgetPluginManager::getInstance in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Field/WidgetPluginManager.php \Drupal\Core\Field\WidgetPluginManager::getInstance()

Overrides PluginManagerBase::getInstance().

Parameters

array $options: An array with the following key/value pairs:

• field_definition: (FieldDefinitionInterface) The field definition.
• form_mode: (string) The form mode.
• prepare: (bool, optional) Whether default values should get merged in the 'configuration' array. Defaults to TRUE.
• configuration: (array) the configuration for the widget. The following key value pairs are allowed, and are all optional if 'prepare' is TRUE:
  • type: (string) The widget to use. Defaults to the 'default_widget' for the field type. The default widget will also be used if the requested widget is not available.
  • settings: (array) Settings specific to the widget. Each setting defaults to the default value specified in the widget definition.
  • third_party_settings: (array) Settings provided by other extensions through hook_field_formatter_third_party_settings_form().

Return value

\Drupal\Core\Field\WidgetInterface|null A Widget object or NULL when plugin is not found.

Overrides PluginManagerBase::getInstance

File

core/lib/Drupal/Core/Field/WidgetPluginManager.php, line 75

Class

WidgetPluginManager

Plugin type manager for field widgets.

Namespace

Drupal\Core\Field

Code

public function getInstance(array $options) {

  // Fill in defaults for missing properties.
  $options += [
    'configuration' => [],
    'prepare' => TRUE,
  ];
  $configuration = $options['configuration'];
  $field_definition = $options['field_definition'];
  $field_type = $field_definition
    ->getType();

  // Fill in default configuration if needed.
  if ($options['prepare']) {
    $configuration = $this
      ->prepareConfiguration($field_type, $configuration);
  }
  $plugin_id = $configuration['type'];

  // Switch back to default widget if either:
  // - the configuration does not specify a widget class
  // - the field type is not allowed for the widget
  // - the widget is not applicable to the field definition.
  $definition = $this
    ->getDefinition($configuration['type'], FALSE);
  if (!isset($definition['class']) || !in_array($field_type, $definition['field_types']) || !$definition['class']::isApplicable($field_definition)) {

    // Grab the default widget for the field type.
    $field_type_definition = $this->fieldTypeManager
      ->getDefinition($field_type);
    if (empty($field_type_definition['default_widget'])) {
      return NULL;
    }
    $plugin_id = $field_type_definition['default_widget'];
  }
  $configuration += [
    'field_definition' => $field_definition,
  ];
  return $this
    ->createInstance($plugin_id, $configuration);
}