File.php in Drupal 10
Same filename in this branch
- 10 core/modules/file/src/Entity/File.php
- 10 core/lib/Drupal/Core/Render/Element/File.php
- 10 core/modules/file/src/Plugin/views/wizard/File.php
- 10 core/modules/file/src/Plugin/views/field/File.php
- 10 core/modules/media/src/Plugin/media/Source/File.php
- 10 core/modules/file/src/Plugin/migrate/source/d6/File.php
- 10 core/modules/file/src/Plugin/migrate/source/d7/File.php
Same filename and directory in other branches
Namespace
Drupal\Core\Render\ElementFile
core/lib/Drupal/Core/Render/Element/File.phpView source
<?php
namespace Drupal\Core\Render\Element;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;
/**
* Provides a form element for uploading a file.
*
* If you add this element to a form the enctype="multipart/form-data" attribute
* will automatically be added to the form element.
*
* Properties:
* - #multiple: A Boolean indicating whether multiple files may be uploaded.
* - #size: The size of the file input element in characters.
*
* @FormElement("file")
*/
class File extends FormElement {
/**
* {@inheritdoc}
*/
public function getInfo() {
$class = static::class;
return [
'#input' => TRUE,
'#multiple' => FALSE,
'#process' => [
[
$class,
'processFile',
],
],
'#size' => 60,
'#pre_render' => [
[
$class,
'preRenderFile',
],
],
'#theme' => 'input__file',
'#theme_wrappers' => [
'form_element',
],
];
}
/**
* Processes a file upload element, make use of #multiple if present.
*/
public static function processFile(&$element, FormStateInterface $form_state, &$complete_form) {
if ($element['#multiple']) {
$element['#attributes']['multiple'] = 'multiple';
$element['#name'] .= '[]';
}
return $element;
}
/**
* Prepares a #type 'file' render element for input.html.twig.
*
* For assistance with handling the uploaded file correctly, see the API
* provided by file.api.php.
*
* @param array $element
* An associative array containing the properties of the element.
* Properties used: #title, #name, #size, #description, #required,
* #attributes.
*
* @return array
* The $element with prepared variables ready for input.html.twig.
*/
public static function preRenderFile($element) {
$element['#attributes']['type'] = 'file';
Element::setAttributes($element, [
'id',
'name',
'size',
]);
static::setAttributes($element, [
'js-form-file',
'form-file',
]);
return $element;
}
}