
| Current Path : /var/www/html/rocksensor/web/core/lib/Drupal/Core/Render/Element/ |
Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : /var/www/html/rocksensor/web/core/lib/Drupal/Core/Render/Element/Textfield.php |
<?php
namespace Drupal\Core\Render\Element;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Attribute\FormElement;
use Drupal\Core\Render\Element;
/**
* 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.
* - #pattern: A string for the native HTML5 pattern attribute.
*
* Usage example:
*
* @code
* $form['title'] = [
* '#type' => 'textfield',
* '#title' => $this->t('Subject'),
* '#default_value' => $node->title,
* '#size' => 60,
* '#maxlength' => 128,
* '#pattern' => 'some-prefix-[a-z]+',
* '#required' => TRUE,
* ];
* @endcode
*
* @see \Drupal\Core\Render\Element
* @see \Drupal\Core\Render\Element\Textarea
*/
#[FormElement('textfield')]
class Textfield extends FormElementBase {
/**
* {@inheritdoc}
*/
public function getInfo() {
$class = static::class;
return [
'#input' => TRUE,
'#size' => 60,
'#maxlength' => 128,
'#autocomplete_route_name' => FALSE,
'#process' => [
[$class, 'processAutocomplete'],
[$class, 'processAjaxForm'],
[$class, 'processPattern'],
[$class, 'processGroup'],
],
'#pre_render' => [
[$class, 'preRenderTextfield'],
[$class, 'preRenderGroup'],
],
'#theme' => 'input__textfield',
'#theme_wrappers' => ['form_element'],
];
}
/**
* {@inheritdoc}
*/
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
if ($input !== FALSE && $input !== NULL) {
// This should be a string, but allow other scalars since they might be
// valid input in programmatic form submissions.
if (!is_scalar($input)) {
$input = '';
}
return str_replace(["\r", "\n"], '', $input);
}
return NULL;
}
/**
* Prepares a #type 'textfield' render element for input.html.twig.
*
* @param array $element
* An associative array containing the properties of the element.
* Properties used: #title, #value, #description, #size, #maxlength,
* #placeholder, #required, #attributes.
*
* @return array
* The $element with prepared variables ready for input.html.twig.
*/
public static function preRenderTextfield($element) {
$element['#attributes']['type'] = 'text';
Element::setAttributes($element, ['id', 'name', 'value', 'size', 'maxlength', 'placeholder']);
static::setAttributes($element, ['form-text']);
return $element;
}
}