class Ajax in Zircon Profile 8

Provides a render element for adding Ajax to a render element.

Holds an array whose values control the Ajax behavior of the element.

Plugin annotation

@RenderElement("ajax");

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, StringTranslationTrait
    • class \Drupal\Core\Render\Element\RenderElement implements ElementInterface
      • class \Drupal\Core\Render\Element\Ajax

Related topics

Ajax API

Overview for Drupal's Ajax API.

File

core/lib/Drupal/Core/Render/Element/Ajax.php, line 19

Contains \Drupal\Core\Render\Element\Ajax.

Namespace

Drupal\Core\Render\Element

class Ajax extends RenderElement {

  /**
   * {@inheritdoc}
   */
  public function getInfo() {

    // By default, we don't want Ajax commands being rendered in the context of
    // an HTML page, so we don't provide defaults for #theme or #theme_wrappers.
    // However, modules can set these properties (for example, to provide an
    // HTML debugging page that displays rather than executes Ajax commands).
    return array(
      '#header' => TRUE,
      '#commands' => array(),
      '#error' => NULL,
    );
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Ajax::getInfo	public	function	Returns the element properties for this element. Overrides ElementInterface::getInfo
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	2
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.
PluginBase::$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
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::__construct	public	function	Constructs a Drupal\Component\Plugin\PluginBase object.	69
RenderElement::preRenderAjaxForm	public static	function	Adds Ajax information about an element to communicate with JavaScript.
RenderElement::preRenderGroup	public static	function	Adds members of this group as actual elements for rendering.
RenderElement::processAjaxForm	public static	function	Form element processing handler for the #ajax form property.
RenderElement::processGroup	public static	function	Arranges elements into groups.
RenderElement::setAttributes	public static	function	Sets a form element's class attribute. Overrides ElementInterface::setAttributes
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.
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.