class FromFieldFormatter in Formatter Field 8
Plugin implementation of the 'formatter_field' formatter.
Plugin annotation
@FieldFormatter(
  id = "formatter_field_from",
  label = @Translation("Formatter from field"),
  field_types = {}
)
Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait- class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface- class \Drupal\Core\Field\FormatterBase implements FormatterInterface, ContainerFactoryPluginInterface- class \Drupal\formatter_field\Plugin\Field\FieldFormatter\FromFieldFormatter implements ContainerFactoryPluginInterface
 
 
- class \Drupal\Core\Field\FormatterBase implements FormatterInterface, ContainerFactoryPluginInterface
 
- class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface
 
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
Expanded class hierarchy of FromFieldFormatter
See also
formatter_field_field_formatter_info_alter()
File
- src/Plugin/ Field/ FieldFormatter/ FromFieldFormatter.php, line 24 
Namespace
Drupal\formatter_field\Plugin\Field\FieldFormatterView source
class FromFieldFormatter extends FormatterBase implements ContainerFactoryPluginInterface {
  /**
   * Formatter plugin manager.
   *
   * @var \Drupal\Core\Field\FormatterPluginManager
   */
  protected $formatterManager;
  /**
   * Entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $fieldManager;
  /**
   * Constructs a new ModerationStateWidget object.
   *
   * @param string $plugin_id
   *   The plugin_id for the formatter.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
   *   The definition of the field to which the formatter is associated.
   * @param array $settings
   *   The formatter settings.
   * @param string $label
   *   The formatter label display setting.
   * @param string $view_mode
   *   The view mode.
   * @param array $third_party_settings
   *   Any third party settings.
   * @param \Drupal\Core\Field\FormatterPluginManager $formatter_manager
   *   Formatter plugin manager.
   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $field_manager
   *   Entity field manager.
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, FormatterPluginManager $formatter_manager, EntityFieldManagerInterface $field_manager) {
    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
    $this->formatterManager = $formatter_manager;
    $this->fieldManager = $field_manager;
  }
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings'], $container
      ->get('plugin.manager.field.formatter'), $container
      ->get('entity_field.manager'));
  }
  /**
   * {@inheritdoc}
   */
  public function prepareView(array $entities_items) {
    if ($formatter = $this
      ->getFormatter($entities_items[0])) {
      $formatter
        ->prepareView($entities_items);
    }
  }
  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    if ($formatter = $this
      ->getFormatter($items)) {
      return $formatter
        ->viewElements($items, $langcode);
    }
    return [];
  }
  /**
   * Creates an appropriate formatter for the field.
   *
   * @param \Drupal\Core\Field\FieldItemListInterface $items
   *   The field values to be rendered.
   *
   * @return \Drupal\Core\Field\FormatterInterface|null|void
   *   A formatter object or null when plugin is not found.
   */
  protected function getFormatter(FieldItemListInterface $items) {
    $definitions = $this->fieldManager
      ->getFieldDefinitions($this->fieldDefinition
      ->getTargetEntityTypeId(), $this->fieldDefinition
      ->getTargetBundle());
    $target_field_name = $this->fieldDefinition
      ->getName();
    $target_definition = $definitions[$target_field_name];
    $formatter_field = NULL;
    foreach ($definitions as $field_name => $definition) {
      if ($definition
        ->getType() == 'formatter_field_formatter' && $definition
        ->getSetting('field') == $target_field_name) {
        $formatter_field = $field_name;
      }
    }
    if (!$formatter_field) {
      $message = $this
        ->t('Could not find appropriate formatter field to render %field_label.', [
        '%field_label' => $target_definition
          ->getLabel(),
      ]);
      drupal_set_message($message, 'warning');
      return;
    }
    $type = NULL;
    $settings = [];
    $field_items = $items
      ->getEntity()
      ->get($formatter_field);
    if (isset($field_items[0])) {
      $formatter_data = $field_items[0]
        ->getValue();
      $type = empty($formatter_data['type']) ? '' : $formatter_data['type'];
      $settings = empty($formatter_data['settings']) ? [] : unserialize($formatter_data['settings']);
    }
    if (!$type) {
      return;
    }
    $options = [
      'field_definition' => $target_definition,
      'configuration' => [
        'type' => $type,
        'settings' => $settings,
        'label' => '',
        'weight' => 0,
      ],
      'view_mode' => '_custom',
    ];
    $formatter = $this->formatterManager
      ->getInstance($options);
    return $formatter;
  }
}Members
| Name   | Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| DependencySerializationTrait:: | protected | property | An array of entity type IDs keyed by the property name of their storages. | |
| DependencySerializationTrait:: | protected | property | An array of service IDs keyed by property name used for serialization. | |
| DependencySerializationTrait:: | public | function | 1 | |
| DependencySerializationTrait:: | public | function | 2 | |
| FormatterBase:: | protected | property | The field definition. | |
| FormatterBase:: | protected | property | The label display setting. | |
| FormatterBase:: | protected | property | The formatter settings. Overrides PluginSettingsBase:: | |
| FormatterBase:: | protected | property | The view mode. | |
| FormatterBase:: | protected | function | Returns the value of a field setting. | |
| FormatterBase:: | protected | function | Returns the array of field settings. | |
| FormatterBase:: | public static | function | Returns if the formatter can be used for the provided field. Overrides FormatterInterface:: | 14 | 
| FormatterBase:: | public | function | Returns a form to configure settings for the formatter. Overrides FormatterInterface:: | 24 | 
| FormatterBase:: | public | function | Returns a short summary for the current formatter settings. Overrides FormatterInterface:: | 22 | 
| FormatterBase:: | public | function | Builds a renderable array for a fully themed field. Overrides FormatterInterface:: | 1 | 
| FromFieldFormatter:: | protected | property | Entity field manager. | |
| FromFieldFormatter:: | protected | property | Formatter plugin manager. | |
| FromFieldFormatter:: | public static | function | Creates an instance of the plugin. Overrides FormatterBase:: | |
| FromFieldFormatter:: | protected | function | Creates an appropriate formatter for the field. | |
| FromFieldFormatter:: | public | function | Allows formatters to load information for field values being displayed. Overrides FormatterBase:: | |
| FromFieldFormatter:: | public | function | Builds a renderable array for a field value. Overrides FormatterInterface:: | |
| FromFieldFormatter:: | public | function | Constructs a new ModerationStateWidget object. Overrides FormatterBase:: | |
| MessengerTrait:: | protected | property | The messenger. | 29 | 
| MessengerTrait:: | public | function | Gets the messenger. | 29 | 
| MessengerTrait:: | public | function | Sets the messenger. | |
| PluginBase:: | protected | property | Configuration information passed into the plugin. | 1 | 
| PluginBase:: | protected | property | The plugin implementation definition. | 1 | 
| PluginBase:: | protected | property | The plugin_id. | |
| PluginBase:: | constant | A string which is used to separate base plugin IDs from the derivative ID. | ||
| PluginBase:: | public | function | Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface:: | |
| PluginBase:: | public | function | Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface:: | |
| PluginBase:: | public | function | Gets the definition of the plugin implementation. Overrides PluginInspectionInterface:: | 3 | 
| PluginBase:: | public | function | Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface:: | |
| PluginBase:: | public | function | Determines if the plugin is configurable. | |
| PluginSettingsBase:: | protected | property | Whether default settings have been merged into the current $settings. | |
| PluginSettingsBase:: | protected | property | The plugin settings injected by third party modules. | |
| PluginSettingsBase:: | public | function | Calculates dependencies for the configured plugin. Overrides DependentPluginInterface:: | 6 | 
| PluginSettingsBase:: | public static | function | Defines the default settings for this plugin. Overrides PluginSettingsInterface:: | 42 | 
| PluginSettingsBase:: | public | function | Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | public | function | Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | public | function | Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | protected | function | Merges default settings values into $settings. | |
| PluginSettingsBase:: | public | function | Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface:: | 3 | 
| PluginSettingsBase:: | public | function | Sets the value of a setting for the plugin. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Sets the settings for the plugin. Overrides PluginSettingsInterface:: | |
| PluginSettingsBase:: | public | function | Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface:: | |
| PluginSettingsBase:: | public | function | Unsets a third-party setting. Overrides ThirdPartySettingsInterface:: | |
| StringTranslationTrait:: | protected | property | The string translation service. | 1 | 
| StringTranslationTrait:: | protected | function | Formats a string containing a count of items. | |
| StringTranslationTrait:: | protected | function | Returns the number of plurals supported by a given language. | |
| StringTranslationTrait:: | protected | function | Gets the string translation service. | |
| StringTranslationTrait:: | public | function | Sets the string translation service to use. | 2 | 
| StringTranslationTrait:: | protected | function | Translates a string to the current language or to a given language. | 
