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class ModerationStateFieldItemList in Config Entity Revisions 8.2

A computed field that provides a content entity's moderation state.

It links content entities to a moderation state configuration entity via a moderation state content entity.

Hierarchy

Expanded class hierarchy of ModerationStateFieldItemList

1 file declares its use of ModerationStateFieldItemList
ConfigEntityRevisionsConfigEntityTrait.php in src/ConfigEntityRevisionsConfigEntityTrait.php

File

src/ModerationStateFieldItemList.php, line 18

Namespace

Drupal\content_moderation\Plugin\Field
View source 
class ModerationStateFieldItemList extends FieldItemList {
  use ComputedItemListTrait {
    get as traitGet;
  }

  /**
   * Constructs a TypedData object given its definition and context.
   *
   * @param \Drupal\Core\TypedData\DataDefinitionInterface $definition
   *   The data definition.
   * @param string $name
   *   (optional) The name of the created property, or NULL if it is the root
   *   of a typed data tree. Defaults to NULL.
   * @param \Drupal\Core\TypedData\TypedDataInterface $parent
   *   (optional) The parent object of the data property, or NULL if it is the
   *   root of a typed data tree. Defaults to NULL.
   *
   * @see \Drupal\Core\TypedData\TypedDataManager::create()
   */
  public function __construct(DataDefinitionInterface $definition, $name = NULL, TypedDataInterface $parent = NULL) {
    $this->definition = $definition;
    $this->parent = $parent;
    $this->name = $name;
  }

  /**
   * {@inheritdoc}
   */
  protected function computeValue() {
    $moderation_state = $this
      ->getModerationStateId();

    // Do not store NULL values, in the case where an entity does not have a
    // moderation workflow associated with it, we do not create list items for
    // the computed field.
    if ($moderation_state) {

      // An entity can only have a single moderation state.
      $this->list[0] = $this
        ->createItem(0, $moderation_state);
    }
  }

  /**
   * Gets the moderation state ID linked to a content entity revision.
   *
   * @return string|null
   *   The moderation state ID linked to a content entity revision.
   */
  protected function getModerationStateId() {
    $entity = $this
      ->getEntity();

    /** @var \Drupal\content_moderation\ModerationInformationInterface $moderation_info */
    $moderation_info = \Drupal::service('content_moderation.moderation_information');
    if (!$moderation_info
      ->shouldModerateEntitiesOfBundle($entity
      ->getEntityType(), $entity
      ->bundle())) {
      return NULL;
    }

    // Existing entities will have a corresponding content_moderation_state
    // entity associated with them.
    if (!$entity
      ->isNew() && ($content_moderation_state = $this
      ->loadContentModerationStateRevision($entity))) {
      return $content_moderation_state->moderation_state->value;
    }

    // It is possible that the bundle does not exist at this point. For example,
    // the node type form creates a fake Node entity to get default values.
    // @see \Drupal\node\NodeTypeForm::form()
    $workflow = $moderation_info
      ->getWorkFlowForEntity($entity);
    return $workflow ? $workflow
      ->getTypePlugin()
      ->getInitialState($entity)
      ->id() : NULL;
  }

  /**
   * Load the content moderation state revision associated with an entity.
   *
   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
   *   The entity the content moderation state entity will be loaded from.
   *
   * @return \Drupal\content_moderation\Entity\ContentModerationStateInterface|null
   *   The content_moderation_state revision or FALSE if none exists.
   */
  protected function loadContentModerationStateRevision(ContentEntityInterface $entity) {
    $moderation_info = \Drupal::service('content_moderation.moderation_information');
    $content_moderation_storage = \Drupal::entityTypeManager()
      ->getStorage('content_moderation_state');
    $revisions = $content_moderation_storage
      ->getQuery()
      ->condition('content_entity_type_id', $entity
      ->getEntityTypeId())
      ->condition('content_entity_id', $entity
      ->id())
      ->condition('content_entity_revision_id', $entity
      ->isNewRevision() ? $entity
      ->getLoadedRevisionId() : $entity
      ->getRevisionId())
      ->condition('workflow', $moderation_info
      ->getWorkflowForEntity($entity)
      ->id())
      ->allRevisions()
      ->sort('revision_id', 'DESC')
      ->execute();
    if (empty($revisions)) {
      return NULL;
    }

    /** @var \Drupal\content_moderation\Entity\ContentModerationStateInterface $content_moderation_state */
    $content_moderation_state = $content_moderation_storage
      ->loadRevision(key($revisions));
    if ($entity
      ->getEntityType()
      ->hasKey('langcode')) {
      $langcode = $entity
        ->language()
        ->getId();
      if (!$content_moderation_state
        ->hasTranslation($langcode)) {
        $content_moderation_state
          ->addTranslation($langcode, $content_moderation_state
          ->toArray());
      }
      if ($content_moderation_state
        ->language()
        ->getId() !== $langcode) {
        $content_moderation_state = $content_moderation_state
          ->getTranslation($langcode);
      }
    }
    return $content_moderation_state;
  }

  /**
   * {@inheritdoc}
   */
  public function get($index) {
    if ($index !== 0) {
      throw new \InvalidArgumentException('An entity can not have multiple moderation states at the same time.');
    }
    return $this
      ->traitGet($index);
  }

  /**
   * {@inheritdoc}
   */
  public function onChange($delta) {
    $this
      ->updateModeratedEntity($this->list[$delta]->value);
    parent::onChange($delta);
  }

  /**
   * {@inheritdoc}
   */
  public function setValue($values, $notify = TRUE) {
    parent::setValue($values, $notify);
    $this->valueComputed = TRUE;

    // If the parent created a field item and if the parent should be notified
    // about the change (e.g. this is not initialized with the current value),
    // update the moderated entity.
    if (isset($this->list[0]) && $notify) {
      $this
        ->updateModeratedEntity($this->list[0]->value);
    }
  }

  /**
   * Updates the default revision flag and the publishing status of the entity.
   *
   * @param string $moderation_state_id
   *   The ID of the new moderation state.
   */
  protected function updateModeratedEntity($moderation_state_id) {
    $entity = $this
      ->getEntity();

    /** @var \Drupal\content_moderation\ModerationInformationInterface $content_moderation_info */
    $content_moderation_info = \Drupal::service('content_moderation.moderation_information');
    $workflow = $content_moderation_info
      ->getWorkflowForEntity($entity);

    // Change the entity's default revision flag and the publishing status only
    // if the new workflow state is a valid one.
    if ($workflow && $workflow
      ->getTypePlugin()
      ->hasState($moderation_state_id)) {

      /** @var \Drupal\content_moderation\ContentModerationState $current_state */
      $current_state = $workflow
        ->getTypePlugin()
        ->getState($moderation_state_id);

      // This entity is default if it is new, the default revision state, or the
      // default revision is not published.
      $update_default_revision = $entity
        ->isNew() || $current_state
        ->isDefaultRevisionState() || !$content_moderation_info
        ->isDefaultRevisionPublished($entity);
      $entity
        ->isDefaultRevision($update_default_revision);

      // Update publishing status if it can be updated and if it needs updating.
      $published_state = $current_state
        ->isPublishedState();
      if ($entity instanceof EntityPublishedInterface && $entity
        ->isPublished() !== $published_state) {
        $published_state ? $entity
          ->setPublished() : $entity
          ->setUnpublished();
      }
    }
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ComputedItemListTrait::$valueComputed protected property Whether the values have already been computed or not.
ComputedItemListTrait::appendItem public function
ComputedItemListTrait::applyDefaultValue public function
ComputedItemListTrait::count public function
ComputedItemListTrait::ensureComputedValue protected function Ensures that values are only computed once.
ComputedItemListTrait::get public function Aliased as: traitGet
ComputedItemListTrait::getIterator public function
ComputedItemListTrait::getString public function
ComputedItemListTrait::getValue public function
ComputedItemListTrait::isEmpty public function
ComputedItemListTrait::offsetExists public function
ComputedItemListTrait::removeItem public function
ComputedItemListTrait::set public function
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
FieldItemList::$langcode protected property The langcode of the field values held in the object.
FieldItemList::$list protected property Numerically indexed array of field items. Overrides ItemList::$list 1
FieldItemList::access public function Checks data value access. Overrides AccessibleInterface::access 1
FieldItemList::createItem protected function Helper for creating a list item object. Overrides ItemList::createItem
FieldItemList::defaultAccess public function Contains the default access logic of this field. Overrides FieldItemListInterface::defaultAccess 3
FieldItemList::defaultValuesForm public function Returns a form for the default value input. Overrides FieldItemListInterface::defaultValuesForm 2
FieldItemList::defaultValuesFormSubmit public function Processes the submitted default value. Overrides FieldItemListInterface::defaultValuesFormSubmit 2
FieldItemList::defaultValuesFormValidate public function Validates the submitted default value. Overrides FieldItemListInterface::defaultValuesFormValidate 1
FieldItemList::defaultValueWidget protected function Returns the widget object used in default value form.
FieldItemList::delegateMethod protected function Calls a method on each FieldItem.
FieldItemList::delete public function Defines custom delete behavior for field values. Overrides FieldItemListInterface::delete 2
FieldItemList::deleteRevision public function Defines custom revision delete behavior for field values. Overrides FieldItemListInterface::deleteRevision 1
FieldItemList::equals public function Determines equality to another object implementing FieldItemListInterface. Overrides FieldItemListInterface::equals 2
FieldItemList::filterEmptyItems public function Filters out empty field items and re-numbers the item deltas. Overrides FieldItemListInterface::filterEmptyItems
FieldItemList::generateSampleItems public function Populates a specified number of field items with valid sample data. Overrides FieldItemListInterface::generateSampleItems
FieldItemList::getConstraints public function Gets a list of validation constraints. Overrides TypedData::getConstraints 1
FieldItemList::getEntity public function Gets the entity that field belongs to. Overrides FieldItemListInterface::getEntity 1
FieldItemList::getFieldDefinition public function Gets the field definition. Overrides FieldItemListInterface::getFieldDefinition
FieldItemList::getLangcode public function Gets the langcode of the field values held in the object. Overrides FieldItemListInterface::getLangcode
FieldItemList::getSetting public function Returns the value of a given field setting. Overrides FieldItemListInterface::getSetting
FieldItemList::getSettings public function Returns the array of field settings. Overrides FieldItemListInterface::getSettings
FieldItemList::hasAffectingChanges public function Determines whether the field has relevant changes. Overrides FieldItemListInterface::hasAffectingChanges 1
FieldItemList::postSave public function Defines custom post-save behavior for field values. Overrides FieldItemListInterface::postSave 1
FieldItemList::preSave public function Defines custom presave behavior for field values. Overrides FieldItemListInterface::preSave 1
FieldItemList::processDefaultValue public static function Processes the default value before being applied. Overrides FieldItemListInterface::processDefaultValue 2
FieldItemList::setLangcode public function Sets the langcode of the field values held in the object. Overrides FieldItemListInterface::setLangcode
FieldItemList::view public function Returns a renderable array for the field items. Overrides FieldItemListInterface::view
FieldItemList::__get public function Magic method: Gets a property value of to the first field item. Overrides FieldItemListInterface::__get
FieldItemList::__isset public function Magic method: Determines whether a property of the first field item is set. Overrides FieldItemListInterface::__isset
FieldItemList::__set public function Magic method: Sets a property value of the first field item. Overrides FieldItemListInterface::__set
FieldItemList::__unset public function Magic method: Unsets a property of the first field item. Overrides FieldItemListInterface::__unset
ItemList::filter public function Filters the items in the list using a custom callback. Overrides ListInterface::filter
ItemList::first public function Returns the first item in this list. Overrides ListInterface::first
ItemList::getItemDefinition public function Gets the definition of a contained item. Overrides ListInterface::getItemDefinition
ItemList::offsetGet public function
ItemList::offsetSet public function
ItemList::offsetUnset public function
ItemList::rekey protected function Renumbers the items in the list.
ItemList::__clone public function Magic method: Implements a deep clone.
ModerationStateFieldItemList::computeValue protected function Computes the values for an item list. Overrides ComputedItemListTrait::computeValue
ModerationStateFieldItemList::get public function Returns the item at the specified position in this list. Overrides ItemList::get
ModerationStateFieldItemList::getModerationStateId protected function Gets the moderation state ID linked to a content entity revision.
ModerationStateFieldItemList::loadContentModerationStateRevision protected function Load the content moderation state revision associated with an entity.
ModerationStateFieldItemList::onChange public function React to changes to a child property or item. Overrides ItemList::onChange
ModerationStateFieldItemList::setValue public function Sets the data value. Overrides ComputedItemListTrait::setValue
ModerationStateFieldItemList::updateModeratedEntity protected function Updates the default revision flag and the publishing status of the entity.
ModerationStateFieldItemList::__construct public function Constructs a TypedData object given its definition and context. Overrides TypedData::__construct
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
TypedData::$definition protected property The data definition. 1
TypedData::$name protected property The property name.
TypedData::$parent protected property The parent typed data object.
TypedData::createInstance public static function Constructs a TypedData object given its definition and context. Overrides TypedDataInterface::createInstance
TypedData::getDataDefinition public function Gets the data definition. Overrides TypedDataInterface::getDataDefinition
TypedData::getName public function Returns the name of a property or item. Overrides TypedDataInterface::getName
TypedData::getParent public function Returns the parent data structure; i.e. either complex data or a list. Overrides TypedDataInterface::getParent
TypedData::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
TypedData::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
TypedData::getPropertyPath public function Returns the property path of the data. Overrides TypedDataInterface::getPropertyPath
TypedData::getRoot public function Returns the root of the typed data tree. Overrides TypedDataInterface::getRoot
TypedData::setContext public function Sets the context of a property or item via a context aware parent. Overrides TypedDataInterface::setContext
TypedData::validate public function Validates the currently set data value. Overrides TypedDataInterface::validate
TypedDataTrait::$typedDataManager protected property The typed data manager used for creating the data types.
TypedDataTrait::getTypedDataManager public function Gets the typed data manager. 2
TypedDataTrait::setTypedDataManager public function Sets the typed data manager. 2