Container
class Container extends RenderElement (View source)
Provides a render element that wraps child elements in a container.
Surrounds child elements with a
Properties:
-
optional: Indicates whether the container should render when it has no
visible children. Defaults to FALSE.
Usage example:
Traits
Wrapper methods for \Drupal\Core\StringTranslation\TranslationInterface.
Provides dependency injection friendly methods for serialization.
Provides a trait for the messenger service.
Constants
| DERIVATIVE_SEPARATOR |
A string which is used to separate base plugin IDs from the derivative ID. |
Properties
| protected string | $pluginId | The plugin_id. |
from PluginBase |
| protected array | $pluginDefinition | The plugin implementation definition. |
from PluginBase |
| protected array | $configuration | Configuration information passed into the plugin. |
from PluginBase |
| protected TranslationInterface | $stringTranslation | The string translation service. |
from StringTranslationTrait |
| protected array | $_serviceIds | An array of service IDs keyed by property name used for serialization. |
from DependencySerializationTrait |
| protected array | $_entityStorages | An array of entity type IDs keyed by the property name of their storages. |
from DependencySerializationTrait |
| protected MessengerInterface | $messenger | The messenger. |
from MessengerTrait |
Methods
Constructs a \Drupal\Component\Plugin\PluginBase object.
Translates a string to the current language or to a given language.
Formats a string containing a count of items.
Returns the number of plurals supported by a given language.
Gets the string translation service.
Sets a form element's class attribute.
Adds members of this group as actual elements for rendering.
Form element processing handler for the #ajax form property.
Adds Ajax information about an element to communicate with JavaScript.
Arranges elements into groups.
Returns the element properties for this element.
Processes a container element.
Prevents optional containers from rendering if they have no children.
Details
__construct(array $configuration, string $plugin_id, mixed $plugin_definition)
Constructs a \Drupal\Component\Plugin\PluginBase object.
string
getPluginId()
Gets the plugin_id of the plugin instance.
string
getBaseId()
Gets the base_plugin_id of the plugin instance.
string|null
getDerivativeId()
Gets the derivative_id of the plugin instance.
array
getPluginDefinition()
Gets the definition of the plugin implementation.
bool
isConfigurable()
Determines if the plugin is configurable.
protected TranslatableMarkup
t(string $string, array $args = [], array $options = [])
Translates a string to the current language or to a given language.
See \Drupal\Core\StringTranslation\TranslatableMarkup::__construct() for important security information and usage guidelines.
In order for strings to be localized, make them available in one of the ways supported by the
protected
formatPlural($count, $singular, $plural, array $args = [], array $options = [])
Formats a string containing a count of items.
protected
getNumberOfPlurals($langcode = NULL)
Returns the number of plurals supported by a given language.
protected TranslationInterface
getStringTranslation()
Gets the string translation service.
$this
setStringTranslation(TranslationInterface $translation)
Sets the string translation service to use.
__sleep()
{@inheritdoc}
__wakeup()
{@inheritdoc}
setMessenger(MessengerInterface $messenger)
Sets the messenger.
MessengerInterface
messenger()
Gets the messenger.
static
setAttributes(array $element, array $class = [])
Sets a form element's class attribute.
Adds 'required' and 'error' classes as needed.
static array
preRenderGroup(array $element)
Adds members of this group as actual elements for rendering.
static array
processAjaxForm(array $element, FormStateInterface $form_state, array $complete_form)
Form element processing handler for the #ajax form property.
This method is useful for non-input elements that can be used in and outside the context of a form.
static array
preRenderAjaxForm(array $element)
Adds Ajax information about an element to communicate with JavaScript.
If #ajax is set on an element, this additional JavaScript is added to the page header to attach the Ajax behaviors. See ajax.js for more information.
static array
processGroup(array $element, FormStateInterface $form_state, array $complete_form)
Arranges elements into groups.
This method is useful for non-input elements that can be used in and outside the context of a form.
array
getInfo()
Returns the element properties for this element.
static array
processContainer(array $element, FormStateInterface $form_state, array $complete_form)
Processes a container element.
static array
preRenderContainer(array $element)
Prevents optional containers from rendering if they have no children.