public function FormatterPluginManager::getInstance in Drupal 8

Same name and namespace in other branches

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

Overrides PluginManagerBase::getInstance().

Parameters

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

• field_definition: (FieldDefinitionInterface) The field definition.
• view_mode: (string) The view mode.
• prepare: (bool, optional) Whether default values should get merged in the 'configuration' array. Defaults to TRUE.
• configuration: (array) the configuration for the formatter. The following key value pairs are allowed, and are all optional if 'prepare' is TRUE:
  • label: (string) Position of the label. The default 'field' theme implementation supports the values 'inline', 'above' and 'hidden'. Defaults to 'above'.
  • type: (string) The formatter to use. Defaults to the 'default_formatter' for the field type, The default formatter will also be used if the requested formatter is not available.
  • settings: (array) Settings specific to the formatter. Each setting defaults to the default value specified in the formatter definition.
  • third_party_settings: (array) Settings provided by other extensions through hook_field_formatter_third_party_settings_form().

Return value

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

Overrides PluginManagerBase::getInstance

File

core/lib/Drupal/Core/Field/FormatterPluginManager.php, line 96

Class

FormatterPluginManager

Plugin type manager for field formatters.

Namespace

Drupal\Core\Field

Code

public function getInstance(array $options) {
  $configuration = $options['configuration'];
  $field_definition = $options['field_definition'];
  $field_type = $field_definition
    ->getType();

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

  // Switch back to default formatter if either:
  // - the configuration does not specify a formatter class
  // - the field type is not allowed for the formatter
  // - the formatter 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_formatter'])) {
      return NULL;
    }
    $plugin_id = $field_type_definition['default_formatter'];
  }
  $configuration += [
    'field_definition' => $field_definition,
    'view_mode' => $options['view_mode'],
  ];
  return $this
    ->createInstance($plugin_id, $configuration);
}