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class CommentFieldItemList in Drupal 8

Same name and namespace in other branches
  1. 9 core/modules/comment/src/CommentFieldItemList.php \Drupal\comment\CommentFieldItemList

Defines a item list class for comment fields.

Hierarchy

Expanded class hierarchy of CommentFieldItemList

File

core/modules/comment/src/CommentFieldItemList.php, line 12

Namespace

Drupal\comment
View source 
class CommentFieldItemList extends FieldItemList {

  /**
   * {@inheritdoc}
   */
  public function get($index) {

    // The Field API only applies the "field default value" to newly created
    // entities. In the specific case of the "comment status", though, we need
    // this default value to be also applied for existing entities created
    // before the comment field was added, which have no value stored for the
    // field.
    if ($index == 0 && empty($this->list)) {
      $field_default_value = $this
        ->getFieldDefinition()
        ->getDefaultValue($this
        ->getEntity());
      return $this
        ->appendItem($field_default_value[0]);
    }
    return parent::get($index);
  }

  /**
   * {@inheritdoc}
   */
  public function offsetExists($offset) {

    // For consistency with what happens in get(), we force offsetExists() to
    // be TRUE for delta 0.
    if ($offset === 0) {
      return TRUE;
    }
    return parent::offsetExists($offset);
  }

  /**
   * {@inheritdoc}
   */
  public function access($operation = 'view', AccountInterface $account = NULL, $return_as_object = FALSE) {
    if ($operation === 'edit') {

      // Only users with administer comments permission can edit the comment
      // status field.
      $result = AccessResult::allowedIfHasPermission($account ?: \Drupal::currentUser(), 'administer comments');
      return $return_as_object ? $result : $result
        ->isAllowed();
    }
    if ($operation === 'view') {

      // Only users with "post comments" or "access comments" permission can
      // view the field value. The formatter,
      // Drupal\comment\Plugin\Field\FieldFormatter\CommentDefaultFormatter,
      // takes care of showing the thread and form based on individual
      // permissions, so if a user only has ‘post comments’ access, only the
      // form will be shown and not the comments.
      $result = AccessResult::allowedIfHasPermission($account ?: \Drupal::currentUser(), 'access comments')
        ->orIf(AccessResult::allowedIfHasPermission($account ?: \Drupal::currentUser(), 'post comments'));
      return $return_as_object ? $result : $result
        ->isAllowed();
    }
    return parent::access($operation, $account, $return_as_object);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
CommentFieldItemList::access public function Checks data value access. Overrides FieldItemList::access
CommentFieldItemList::get public function Returns the item at the specified position in this list. Overrides ItemList::get
CommentFieldItemList::offsetExists public function Overrides ItemList::offsetExists
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::applyDefaultValue public function Applies the default value. Overrides TypedData::applyDefaultValue
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::setValue public function Sets the data value. Overrides ItemList::setValue
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::appendItem public function Appends a new item to the list. Overrides ListInterface::appendItem
ItemList::count public function
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::getIterator public function
ItemList::getString public function Returns a string representation of the data. Overrides TypedData::getString
ItemList::getValue public function Gets the data value. Overrides TypedData::getValue
ItemList::isEmpty public function Determines whether the list contains any non-empty items. Overrides ListInterface::isEmpty
ItemList::offsetGet public function
ItemList::offsetSet public function
ItemList::offsetUnset public function
ItemList::onChange public function React to changes to a child property or item. Overrides TraversableTypedDataInterface::onChange 1
ItemList::rekey protected function Renumbers the items in the list.
ItemList::removeItem public function Removes the item at the specified position. Overrides ListInterface::removeItem
ItemList::set public function Sets the value of the item at a given position in the list. Overrides ListInterface::set
ItemList::__clone public function Magic method: Implements a deep clone.
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::$parent protected property The parent typed data object.
TypedData::createInstance public static function Constructs a TypedData object given its definition and context. Overrides TypedDataInterface::createInstance
TypedData::getDataDefinition public function Gets the data definition. Overrides TypedDataInterface::getDataDefinition
TypedData::getName public function Returns the name of a property or item. Overrides TypedDataInterface::getName
TypedData::getParent public function Returns the parent data structure; i.e. either complex data or a list. Overrides TypedDataInterface::getParent
TypedData::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
TypedData::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
TypedData::getPropertyPath public function Returns the property path of the data. Overrides TypedDataInterface::getPropertyPath
TypedData::getRoot public function Returns the root of the typed data tree. Overrides TypedDataInterface::getRoot
TypedData::setContext public function Sets the context of a property or item via a context aware parent. Overrides TypedDataInterface::setContext
TypedData::validate public function Validates the currently set data value. Overrides TypedDataInterface::validate
TypedData::__construct public function Constructs a TypedData object given its definition and context. 3
TypedDataTrait::$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