class EntityReferenceLabelFormatter
Same name in other branches
- 9 core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceLabelFormatter.php \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceLabelFormatter
- 10 core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceLabelFormatter.php \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceLabelFormatter
- 11.x core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceLabelFormatter.php \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceLabelFormatter
Plugin implementation of the 'entity reference label' formatter.
Plugin annotation
@FieldFormatter(
id = "entity_reference_label",
label = @Translation("Label"),
description = @Translation("Display the label of the referenced entities."),
field_types = {
"entity_reference"
}
)
Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
- class \Drupal\Core\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait
- class \Drupal\Core\Field\PluginSettingsBase extends \Drupal\Core\Plugin\PluginBase implements \Drupal\Core\Field\PluginSettingsInterface, \Drupal\Component\Plugin\DependentPluginInterface
- class \Drupal\Core\Field\FormatterBase extends \Drupal\Core\Field\PluginSettingsBase implements \Drupal\Core\Field\FormatterInterface, \Drupal\Core\Plugin\ContainerFactoryPluginInterface
- class \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase extends \Drupal\Core\Field\FormatterBase
- class \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceLabelFormatter extends \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase
- class \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase extends \Drupal\Core\Field\FormatterBase
- class \Drupal\Core\Field\FormatterBase extends \Drupal\Core\Field\PluginSettingsBase implements \Drupal\Core\Field\FormatterInterface, \Drupal\Core\Plugin\ContainerFactoryPluginInterface
- class \Drupal\Core\Field\PluginSettingsBase extends \Drupal\Core\Plugin\PluginBase implements \Drupal\Core\Field\PluginSettingsInterface, \Drupal\Component\Plugin\DependentPluginInterface
- class \Drupal\Core\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait
Expanded class hierarchy of EntityReferenceLabelFormatter
File
-
core/
lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldFormatter/ EntityReferenceLabelFormatter.php, line 22
Namespace
Drupal\Core\Field\Plugin\Field\FieldFormatterView source
class EntityReferenceLabelFormatter extends EntityReferenceFormatterBase {
/**
* {@inheritdoc}
*/
public static function defaultSettings() {
return [
'link' => TRUE,
] + parent::defaultSettings();
}
/**
* {@inheritdoc}
*/
public function settingsForm(array $form, FormStateInterface $form_state) {
$elements['link'] = [
'#title' => t('Link label to the referenced entity'),
'#type' => 'checkbox',
'#default_value' => $this->getSetting('link'),
];
return $elements;
}
/**
* {@inheritdoc}
*/
public function settingsSummary() {
$summary = [];
$summary[] = $this->getSetting('link') ? t('Link to the referenced entity') : t('No link');
return $summary;
}
/**
* {@inheritdoc}
*/
public function viewElements(FieldItemListInterface $items, $langcode) {
$elements = [];
$output_as_link = $this->getSetting('link');
foreach ($this->getEntitiesToView($items, $langcode) as $delta => $entity) {
$label = $entity->label();
// If the link is to be displayed and the entity has a uri, display a
// link.
if ($output_as_link && !$entity->isNew()) {
try {
$uri = $entity->toUrl();
} catch (UndefinedLinkTemplateException $e) {
// This exception is thrown by \Drupal\Core\Entity\Entity::urlInfo()
// and it means that the entity type doesn't have a link template nor
// a valid "uri_callback", so don't bother trying to output a link for
// the rest of the referenced entities.
$output_as_link = FALSE;
}
}
if ($output_as_link && isset($uri) && !$entity->isNew()) {
$elements[$delta] = [
'#type' => 'link',
'#title' => $label,
'#url' => $uri,
'#options' => $uri->getOptions(),
];
if (!empty($items[$delta]->_attributes)) {
$elements[$delta]['#options'] += [
'attributes' => [],
];
$elements[$delta]['#options']['attributes'] += $items[$delta]->_attributes;
// Unset field item attributes since they have been included in the
// formatter output and shouldn't be rendered in the field template.
unset($items[$delta]->_attributes);
}
}
else {
$elements[$delta] = [
'#plain_text' => $label,
];
}
$elements[$delta]['#cache']['tags'] = $entity->getCacheTags();
}
return $elements;
}
/**
* {@inheritdoc}
*/
protected function checkAccess(EntityInterface $entity) {
return $entity->access('view label', NULL, TRUE);
}
}
Members
Title Sort descending | Modifiers | Object type | Summary | Overriden Title | Overrides |
---|---|---|---|---|---|
EntityReferenceFormatterBase::getEntitiesToView | protected | function | Returns the referenced entities for display. | 1 | |
EntityReferenceFormatterBase::needsEntityLoad | protected | function | Returns whether the entity referenced by an item needs to be loaded. | 1 | |
EntityReferenceFormatterBase::prepareView | public | function | Loads the entities referenced in that field across all the entities being viewed. |
Overrides FormatterBase::prepareView | |
EntityReferenceFormatterBase::view | public | function | Overrides FormatterBase::view | ||
EntityReferenceLabelFormatter::checkAccess | protected | function | Checks access to the given entity. | Overrides EntityReferenceFormatterBase::checkAccess | |
EntityReferenceLabelFormatter::defaultSettings | public static | function | Defines the default settings for this plugin. | Overrides PluginSettingsBase::defaultSettings | |
EntityReferenceLabelFormatter::settingsForm | public | function | Returns a form to configure settings for the formatter. | Overrides FormatterBase::settingsForm | |
EntityReferenceLabelFormatter::settingsSummary | public | function | Returns a short summary for the current formatter settings. | Overrides FormatterBase::settingsSummary | |
EntityReferenceLabelFormatter::viewElements | public | function | Builds a renderable array for a field value. | Overrides FormatterInterface::viewElements | |
FormatterBase::$fieldDefinition | protected | property | The field definition. | ||
FormatterBase::$label | protected | property | The label display setting. | ||
FormatterBase::$settings | protected | property | The formatter settings. | Overrides PluginSettingsBase::$settings | |
FormatterBase::$viewMode | protected | property | The view mode. | ||
FormatterBase::create | public static | function | Creates an instance of the plugin. | Overrides ContainerFactoryPluginInterface::create | 11 |
FormatterBase::getFieldSetting | protected | function | Returns the value of a field setting. | ||
FormatterBase::getFieldSettings | protected | function | Returns the array of field settings. | ||
FormatterBase::isApplicable | public static | function | Returns if the formatter can be used for the provided field. | Overrides FormatterInterface::isApplicable | 14 |
FormatterBase::__construct | public | function | Constructs a FormatterBase object. | 11 | |
PluginInspectionInterface::getPluginDefinition | public | function | Gets the definition of the plugin implementation. | 6 | |
PluginInspectionInterface::getPluginId | public | function | Gets the plugin_id of the plugin instance. | 2 | |
PluginSettingsBase::$defaultSettingsMerged | protected | property | Whether default settings have been merged into the current $settings. | ||
PluginSettingsBase::$thirdPartySettings | protected | property | The plugin settings injected by third party modules. | ||
PluginSettingsBase::calculateDependencies | public | function | Calculates dependencies for the configured plugin. | Overrides DependentPluginInterface::calculateDependencies | 6 |
PluginSettingsBase::getSetting | public | function | Returns the value of a setting, or its default value if absent. | Overrides PluginSettingsInterface::getSetting | |
PluginSettingsBase::getSettings | public | function | Returns the array of settings, including defaults for missing settings. | Overrides PluginSettingsInterface::getSettings | |
PluginSettingsBase::getThirdPartyProviders | public | function | Gets the list of third parties that store information. | Overrides ThirdPartySettingsInterface::getThirdPartyProviders | |
PluginSettingsBase::getThirdPartySetting | public | function | Gets the value of a third-party setting. | Overrides ThirdPartySettingsInterface::getThirdPartySetting | |
PluginSettingsBase::getThirdPartySettings | public | function | Gets all third-party settings of a given module. | Overrides ThirdPartySettingsInterface::getThirdPartySettings | |
PluginSettingsBase::mergeDefaults | protected | function | Merges default settings values into $settings. | ||
PluginSettingsBase::onDependencyRemoval | public | function | Informs the plugin that some configuration it depends on will be deleted. | Overrides PluginSettingsInterface::onDependencyRemoval | 3 |
PluginSettingsBase::setSetting | public | function | Sets the value of a setting for the plugin. | Overrides PluginSettingsInterface::setSetting | |
PluginSettingsBase::setSettings | public | function | Sets the settings for the plugin. | Overrides PluginSettingsInterface::setSettings | |
PluginSettingsBase::setThirdPartySetting | public | function | Sets the value of a third-party setting. | Overrides ThirdPartySettingsInterface::setThirdPartySetting | |
PluginSettingsBase::unsetThirdPartySetting | public | function | Unsets a third-party setting. | Overrides ThirdPartySettingsInterface::unsetThirdPartySetting |
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