abstract class PluginSettingsBase in Drupal 10

Base class for the Field API plugins.

This class handles lazy replacement of default settings values.

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

1 file declares its use of PluginSettingsBase

PluginSettingsBaseTest.php in core/tests/Drupal/Tests/Core/Field/PluginSettingsBaseTest.php

Contains \Drupal\Tests\Core\Field\PluginSettingsBaseTest.

File

core/lib/Drupal/Core/Field/PluginSettingsBase.php, line 13

Namespace

Drupal\Core\Field

abstract class PluginSettingsBase extends PluginBase implements PluginSettingsInterface, DependentPluginInterface {

  /**
   * The plugin settings.
   *
   * @var array
   */
  protected $settings = [];

  /**
   * The plugin settings injected by third party modules.
   *
   * @see hooks
   *
   * @var array
   */
  protected $thirdPartySettings = [];

  /**
   * Whether default settings have been merged into the current $settings.
   *
   * @var bool
   */
  protected $defaultSettingsMerged = FALSE;

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getSettings() {

    // Merge defaults before returning the array.
    if (!$this->defaultSettingsMerged) {
      $this
        ->mergeDefaults();
    }
    return $this->settings;
  }

  /**
   * {@inheritdoc}
   */
  public function getSetting($key) {

    // Merge defaults if we have no value for the key.
    if (!$this->defaultSettingsMerged && !array_key_exists($key, $this->settings)) {
      $this
        ->mergeDefaults();
    }
    return $this->settings[$key] ?? NULL;
  }

  /**
   * Merges default settings values into $settings.
   */
  protected function mergeDefaults() {
    $this->settings += static::defaultSettings();
    $this->defaultSettingsMerged = TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function setSettings(array $settings) {
    $this->settings = $settings;
    $this->defaultSettingsMerged = FALSE;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function setSetting($key, $value) {
    $this->settings[$key] = $value;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function getThirdPartySettings($module = NULL) {
    if ($module) {
      return $this->thirdPartySettings[$module] ?? [];
    }
    return $this->thirdPartySettings;
  }

  /**
   * {@inheritdoc}
   */
  public function getThirdPartySetting($module, $key, $default = NULL) {
    return $this->thirdPartySettings[$module][$key] ?? $default;
  }

  /**
   * {@inheritdoc}
   */
  public function setThirdPartySetting($module, $key, $value) {
    $this->thirdPartySettings[$module][$key] = $value;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function unsetThirdPartySetting($module, $key) {
    unset($this->thirdPartySettings[$module][$key]);

    // If the third party is no longer storing any information, completely
    // remove the array holding the settings for this module.
    if (empty($this->thirdPartySettings[$module])) {
      unset($this->thirdPartySettings[$module]);
    }
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function getThirdPartyProviders() {
    return array_keys($this->thirdPartySettings);
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    if (!empty($this->thirdPartySettings)) {

      // Create dependencies on any modules providing third party settings.
      return [
        'module' => array_keys($this->thirdPartySettings),
      ];
    }
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function onDependencyRemoval(array $dependencies) {
    $changed = FALSE;
    if (!empty($this->thirdPartySettings) && !empty($dependencies['module'])) {
      $old_count = count($this->thirdPartySettings);
      $this->thirdPartySettings = array_diff_key($this->thirdPartySettings, array_flip($dependencies['module']));
      $changed = $old_count != count($this->thirdPartySettings);
    }
    return $changed;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	18
MessengerTrait::messenger	public	function	Gets the messenger.	18
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.
PluginBase::$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
PluginBase::getDerivativeId	public	function
PluginBase::getPluginDefinition	public	function		2
PluginBase::getPluginId	public	function
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object.	53
PluginSettingsBase::$defaultSettingsMerged	protected	property	Whether default settings have been merged into the current $settings.
PluginSettingsBase::$settings	protected	property	The plugin settings.	2
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	5
PluginSettingsBase::defaultSettings	public static	function	Defines the default settings for this plugin. Overrides PluginSettingsInterface::defaultSettings	41
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 $settings.
PluginSettingsBase::onDependencyRemoval	public	function	Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval	2
PluginSettingsBase::setSetting	public	function	Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings	public	function	Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting	public	function	Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting	public	function	Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	3
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.	1
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.