class FormElement in Drupal 8

Defines a form element plugin annotation object.

See \Drupal\Core\Render\Element\FormElementInterface for more information about form element plugins.

Plugin Namespace: Element

For a working example, see \Drupal\Core\Render\Element\Textfield.

Hierarchy

• class \Drupal\Component\Annotation\AnnotationBase implements AnnotationInterface
  • class \Drupal\Component\Annotation\PluginID
    • class \Drupal\Core\Render\Annotation\RenderElement
      • class \Drupal\Core\Render\Annotation\FormElement

See also

\Drupal\Core\Render\ElementInfoManager

\Drupal\Core\Render\Element\FormElementInterface

\Drupal\Core\Render\Element\FormElement

\Drupal\Core\Render\Annotation\RenderElement

Plugin API

Related topics

Annotations

Annotations for class discovery and metadata description.

Render API overview

Overview of the Theme system and Render API.

37 classes are annotated with FormElement

Button in core/lib/Drupal/Core/Render/Element/Button.php

Provides an action button form element.

Checkbox in core/lib/Drupal/Core/Render/Element/Checkbox.php

Provides a form element for a single checkbox.

Checkboxes in core/lib/Drupal/Core/Render/Element/Checkboxes.php

Provides a form element for a set of checkboxes.

Color in core/lib/Drupal/Core/Render/Element/Color.php

Provides a form element for choosing a color.

Date in core/lib/Drupal/Core/Render/Element/Date.php

Provides a form element for date selection.

... See full list

File

core/lib/Drupal/Core/Render/Annotation/FormElement.php, line 25

Namespace

Drupal\Core\Render\Annotation

class FormElement extends RenderElement {

}

Members

Name	Modifiers	Type	Description	Overrides
AnnotationBase::$class	protected	property	The class used for this annotated class.
AnnotationBase::$id	public	property	The annotated class ID.	1
AnnotationBase::$provider	protected	property	The provider of the annotated class.
AnnotationBase::getClass	public	function	Gets the class of the annotated class. Overrides AnnotationInterface::getClass
AnnotationBase::getProvider	public	function	Gets the name of the provider of the annotated class. Overrides AnnotationInterface::getProvider
AnnotationBase::setClass	public	function	Sets the class of the annotated class. Overrides AnnotationInterface::setClass
AnnotationBase::setProvider	public	function	Sets the name of the provider of the annotated class. Overrides AnnotationInterface::setProvider
PluginID::$value	public	property	The plugin ID.
PluginID::get	public	function	Gets the value of an annotation. Overrides AnnotationInterface::get
PluginID::getId	public	function	Gets the unique ID for this annotated class. Overrides AnnotationBase::getId