class Item

Same name and namespace in other branches
  1. 9 core/modules/aggregator/src/Entity/Item.php \Drupal\aggregator\Entity\Item
  2. 9 core/lib/Drupal/Core/Render/Element/Item.php \Drupal\Core\Render\Element\Item
  3. 10 core/lib/Drupal/Core/Render/Element/Item.php \Drupal\Core\Render\Element\Item
  4. 8.9.x core/modules/aggregator/src/Entity/Item.php \Drupal\aggregator\Entity\Item
  5. 8.9.x core/lib/Drupal/Core/Render/Element/Item.php \Drupal\Core\Render\Element\Item

Provides a display-only form element with an optional title and description.

Note: since this is a read-only field, setting the #required property will do nothing except theme the form element to look as if it were actually required (i.e. by placing a red star next to the #title).

Attributes

#[FormElement('item')]

Hierarchy

Expanded class hierarchy of Item

12 string references to 'Item'
config_test.schema.yml in core/modules/config/tests/config_test/config/schema/config_test.schema.yml
core/modules/config/tests/config_test/config/schema/config_test.schema.yml
ContentTranslationHandler::addTranslatabilityClue in core/modules/content_translation/src/ContentTranslationHandler.php
Adds a clue about the form element translatability.
FormBuilder::handleInputElement in core/lib/Drupal/Core/Form/FormBuilder.php
Adds the #name and #value properties of an input element before rendering.
JsonApiDocumentTopLevelNormalizer::normalizeOmissionsLinks in core/modules/jsonapi/src/Normalizer/JsonApiDocumentTopLevelNormalizer.php
Normalizes omitted data into a set of omission links.
LinksetController::toLinkTargetObjects in core/modules/system/src/Controller/LinksetController.php
Encode a menu tree as link items and capture any cacheability metadata.

... See full list

50 #type uses of Item
AddFormBase::buildEntityFormElement in core/modules/media_library/src/Form/AddFormBase.php
Builds the sub-form for setting required fields on a new media item.
AddHandler::buildForm in core/modules/views_ui/src/Form/Ajax/AddHandler.php
Form constructor.
AjaxTestImageEffect::ajaxCallback in core/modules/image/tests/modules/image_module_test/src/Plugin/ImageEffect/AjaxTestImageEffect.php
AJAX callback.
AjaxTestImageEffect::buildConfigurationForm in core/modules/image/tests/modules/image_module_test/src/Plugin/ImageEffect/AjaxTestImageEffect.php
Form constructor.
ArgumentPluginBase::buildOptionsForm in core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php
Provide a form to edit options for this plugin.

... See full list

File

core/lib/Drupal/Core/Render/Element/Item.php, line 14

Namespace

Drupal\Core\Render\Element
View on git.drupalcode.org
View source 
class Item extends FormElementBase {
  
  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    return [
      // Forms that show author fields to both anonymous and authenticated users
      // need to dynamically switch between #type 'textfield' and #type 'item'
      // to automatically take over the authenticated user's information.
      // Therefore, we allow #type 'item' to receive input, which is internally
      // assigned by Form API based on the #default_value or #value properties.
'#input' => TRUE,
      '#markup' => '',
      '#theme_wrappers' => [
        'form_element',
      ],
    ];
  }

}

Members

Title Deprecated Modifiers Object type Summary Overriden Title Overrides
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.
FormElementBase::processAutocomplete public static function Adds autocomplete functionality to elements. 1
FormElementBase::processPattern public static function Render API callback: Handles the #pattern form element property. 1
FormElementBase::validatePattern public static function Render API callback: Handles the #pattern form element property.. 1
FormElementBase::valueCallback public static function Determines how user input is mapped to an element's #value property. Overrides FormElementInterface::valueCallback 17
Item::getInfo public function Returns the element properties for this element. Overrides ElementInterface::getInfo
MessengerTrait::$messenger protected property The messenger. 25
MessengerTrait::messenger public function Gets the messenger. 25
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$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 Deprecated public function Determines if the plugin is configurable.
RenderElementBase::$renderParent protected property The parent element.
RenderElementBase::$renderParentName protected property The parent key.
RenderElementBase::$storage protected property The storage.
RenderElementBase::addChild public function Adds a child render element. Overrides ElementInterface::addChild
RenderElementBase::changeType public function Change the type of the element. Overrides ElementInterface::changeType
RenderElementBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 2
RenderElementBase::createChild public function Creates a render object and attaches it to the current render object. Overrides ElementInterface::createChild
RenderElementBase::elementInfoManager protected function Returns the element info manager.
RenderElementBase::getChild public function Gets a child. Overrides ElementInterface::getChild
RenderElementBase::getChildren public function Returns child elements. Overrides ElementInterface::getChildren
RenderElementBase::initializeInternalStorage public function Initialize storage. Overrides ElementInterface::initializeInternalStorage
RenderElementBase::preRenderAjaxForm public static function Adds Ajax information about an element to communicate with JavaScript. 2
RenderElementBase::preRenderGroup public static function Adds members of this group as actual elements for rendering. 2
RenderElementBase::processAjaxForm public static function Form element processing handler for the #ajax form property. 3
RenderElementBase::processGroup public static function Arranges elements into groups. 2
RenderElementBase::removeChild public function Removes a child. Overrides ElementInterface::removeChild
RenderElementBase::setAttributes public static function Sets a form element's class attribute. Overrides ElementInterface::setAttributes 2
RenderElementBase::setType protected function Set type on initialize. 1
RenderElementBase::toRenderable public function Returns a render array. Overrides ElementInterface::toRenderable
RenderElementBase::__construct public function Constructs a new render element object. Overrides PluginBase::__construct 6
RenderElementBase::__get public function Magic method: gets a property value.
RenderElementBase::__isset public function Magic method: checks if a property value is set.
RenderElementBase::__set public function Magic method: Sets a property value.
RenderElementBase::__sleep public function Overrides DependencySerializationTrait::__sleep
RenderElementBase::__unset public function Magic method: unsets a property value.
RenderElementBase::__wakeup public function Overrides DependencySerializationTrait::__wakeup
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. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language. 1

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