class Textfield

Provides a one-line text field form element.

Properties:

• #maxlength: Maximum number of characters of input allowed.
• #size: The size of the input element in characters.
• #autocomplete_route_name: A route to be used as callback URL by the autocomplete JavaScript library.
• #autocomplete_route_parameters: An array of parameters to be used in conjunction with the route name.

Usage example:

$form['title'] = array(
  '#type' => 'textfield',
  '#title' => $this->t('Subject'),
  '#default_value' => $node->title,
  '#size' => 60,
  '#maxlength' => 128,
'#required' => TRUE,
);

Plugin annotation

@FormElement("textfield")

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\FormElement implements FormElementInterface
        • class \Drupal\Core\Render\Element\Textfield

See also

\Drupal\Core\Render\Element\Color

\Drupal\Core\Render\Element\Email

\Drupal\Core\Render\Element\MachineName

\Drupal\Core\Render\Element\Number

\Drupal\Core\Render\Element\Password

\Drupal\Core\Render\Element\PasswordConfirm

\Drupal\Core\Render\Element\Range

\Drupal\Core\Render\Element\Tel

\Drupal\Core\Render\Element\Url

File

core/lib/Drupal/Core/Render/Element/Textfield.php, line 43

Namespace

Drupal\Core\Render\Element

Members

Name	Modifiers	Type	Description
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function
DependencySerializationTrait::__wakeup	public	function
FormElement::processAutocomplete	public static	function	Adds autocomplete functionality to elements.
FormElement::processPattern	public static	function	#process callback for #pattern form element property.
FormElement::validatePattern	public static	function	#element_validate callback for #pattern form element property.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.
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.
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.
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
Textfield::getInfo	public	function	Returns the element properties for this element. Overrides ElementInterface::getInfo
Textfield::preRenderTextfield	public static	function	Prepares a #type 'textfield' render element for input.html.twig.
Textfield::valueCallback	public static	function	Determines how user input is mapped to an element's #value property. Overrides FormElement::valueCallback