class ChangedFieldItemList in Drupal 8

Defines a item list class for changed fields.

Hierarchy

• class \Drupal\Core\TypedData\TypedData implements PluginInspectionInterface, TypedDataInterface uses DependencySerializationTrait, StringTranslationTrait, TypedDataTrait
  • class \Drupal\Core\TypedData\Plugin\DataType\ItemList implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, ListInterface
    • class \Drupal\Core\Field\FieldItemList implements FieldItemListInterface
      • class \Drupal\Core\Field\ChangedFieldItemList

File

core/lib/Drupal/Core/Field/ChangedFieldItemList.php, line 11

Namespace

Drupal\Core\Field

class ChangedFieldItemList extends FieldItemList {

  /**
   * {@inheritdoc}
   */
  public function defaultAccess($operation = 'view', AccountInterface $account = NULL) {

    // It is not possible to edit the changed field.
    return AccessResult::allowedIf($operation !== 'edit');
  }

  /**
   * {@inheritdoc}
   */
  public function hasAffectingChanges(FieldItemListInterface $original_items, $langcode) {

    // When saving entities in the user interface, the changed timestamp is
    // automatically incremented by ContentEntityForm::submitForm() even if
    // nothing was actually changed. Thus, the changed time needs to be
    // ignored when determining whether there are any actual changes in the
    // entity.
    return FALSE;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ChangedFieldItemList::defaultAccess	public	function	Contains the default access logic of this field. Overrides FieldItemList::defaultAccess
ChangedFieldItemList::hasAffectingChanges	public	function	Determines whether the field has relevant changes. Overrides FieldItemList::hasAffectingChanges
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::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::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::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::get	public	function	Returns the item at the specified position in this list. Overrides ListInterface::get	2
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::offsetExists	public	function		1
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