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abstract class VariantBase in Drupal 9

Same name and namespace in other branches
  1. 8 core/lib/Drupal/Core/Display/VariantBase.php \Drupal\Core\Display\VariantBase

Provides a base class for DisplayVariant plugins.

Hierarchy

Expanded class hierarchy of VariantBase

See also

\Drupal\Core\Display\Annotation\DisplayVariant

\Drupal\Core\Display\VariantInterface

\Drupal\Core\Display\VariantManager

Plugin API

3 files declare their use of VariantBase
BlockPageVariant.php in core/modules/block/src/Plugin/DisplayVariant/BlockPageVariant.php
SimplePageVariant.php in core/lib/Drupal/Core/Render/Plugin/DisplayVariant/SimplePageVariant.php
TestDisplayVariant.php in core/modules/system/tests/modules/display_variant_test/src/Plugin/DisplayVariant/TestDisplayVariant.php

File

core/lib/Drupal/Core/Display/VariantBase.php, line 19

Namespace

Drupal\Core\Display
View source 
abstract class VariantBase extends PluginBase implements VariantInterface {
  use PluginDependencyTrait;
  use RefinableCacheableDependencyTrait;

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this
      ->setConfiguration($configuration);
  }

  /**
   * {@inheritdoc}
   */
  public function label() {
    return $this->configuration['label'];
  }

  /**
   * {@inheritdoc}
   */
  public function adminLabel() {
    return $this->pluginDefinition['admin_label'];
  }

  /**
   * {@inheritdoc}
   */
  public function id() {
    return $this->configuration['uuid'];
  }

  /**
   * {@inheritdoc}
   */
  public function getWeight() {
    return (int) $this->configuration['weight'];
  }

  /**
   * {@inheritdoc}
   */
  public function setWeight($weight) {
    $this->configuration['weight'] = (int) $weight;
  }

  /**
   * {@inheritdoc}
   */
  public function getConfiguration() {
    return [
      'id' => $this
        ->getPluginId(),
    ] + $this->configuration;
  }

  /**
   * {@inheritdoc}
   */
  public function setConfiguration(array $configuration) {
    $this->configuration = $configuration + $this
      ->defaultConfiguration();
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'label' => '',
      'uuid' => '',
      'weight' => 0,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    return $this->dependencies;
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['label'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Label'),
      '#description' => $this
        ->t('The label for this display variant.'),
      '#default_value' => $this
        ->label(),
      '#maxlength' => '255',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    $this->configuration['label'] = $form_state
      ->getValue('label');
  }

  /**
   * {@inheritdoc}
   */
  public function access(AccountInterface $account = NULL) {
    return TRUE;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
CacheableDependencyTrait::$cacheContexts protected property Cache contexts.
CacheableDependencyTrait::$cacheMaxAge protected property Cache max-age.
CacheableDependencyTrait::$cacheTags protected property Cache tags.
CacheableDependencyTrait::getCacheContexts public function 4
CacheableDependencyTrait::getCacheMaxAge public function 4
CacheableDependencyTrait::getCacheTags public function 4
CacheableDependencyTrait::setCacheability protected function Sets cacheability; useful for value object constructors.
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 2
DependencySerializationTrait::__wakeup public function 2
DependencyTrait::$dependencies protected property The object's dependencies.
DependencyTrait::addDependencies protected function Adds multiple dependencies.
DependencyTrait::addDependency protected function Adds a dependency.
MessengerTrait::$messenger protected property The messenger. 27
MessengerTrait::messenger public function Gets the messenger. 27
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 2
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginDependencyTrait::calculatePluginDependencies protected function Calculates and adds dependencies of a specific plugin instance. 1
PluginDependencyTrait::getPluginDependencies protected function Calculates and returns dependencies of a specific plugin instance.
PluginDependencyTrait::moduleHandler protected function Wraps the module handler. 1
PluginDependencyTrait::themeHandler protected function Wraps the theme handler. 1
RefinableCacheableDependencyTrait::addCacheableDependency public function 1
RefinableCacheableDependencyTrait::addCacheContexts public function
RefinableCacheableDependencyTrait::addCacheTags public function
RefinableCacheableDependencyTrait::mergeCacheMaxAge public function
StringTranslationTrait::$stringTranslation protected property The string translation service. 4
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
VariantBase::access public function Determines if this display variant is accessible. Overrides VariantInterface::access
VariantBase::adminLabel public function Returns the admin-facing display variant label. Overrides VariantInterface::adminLabel
VariantBase::buildConfigurationForm public function Form constructor. Overrides PluginFormInterface::buildConfigurationForm
VariantBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
VariantBase::defaultConfiguration public function Gets default configuration for this plugin. Overrides ConfigurableInterface::defaultConfiguration
VariantBase::getConfiguration public function Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
VariantBase::getWeight public function Returns the weight of the display variant. Overrides VariantInterface::getWeight
VariantBase::id public function Returns the unique ID for the display variant. Overrides VariantInterface::id
VariantBase::label public function Returns the user-facing display variant label. Overrides VariantInterface::label
VariantBase::setConfiguration public function Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
VariantBase::setWeight public function Sets the weight of the display variant. Overrides VariantInterface::setWeight
VariantBase::submitConfigurationForm public function Form submission handler. Overrides PluginFormInterface::submitConfigurationForm
VariantBase::validateConfigurationForm public function Form validation handler. Overrides PluginFormInterface::validateConfigurationForm
VariantBase::__construct public function Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides PluginBase::__construct 1
VariantInterface::build public function Builds and returns the renderable array for the display variant. 3