Same filename in this branch
- 10 core/lib/Drupal/Component/Utility/Number.php
- 10 core/lib/Drupal/Core/Render/Element/Number.php
Same filename and directory in other branches
- 8.9.x core/lib/Drupal/Core/Render/Element/Number.php
- 9 core/lib/Drupal/Core/Render/Element/Number.php
Namespace
Drupal\Core\Render\Element
File
core/lib/Drupal/Core/Render/Element/Number.php
View source
<?php
namespace Drupal\Core\Render\Element;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Attribute\FormElement;
use Drupal\Core\Render\Element;
use Drupal\Component\Utility\Number as NumberUtility;
class Number extends FormElementBase {
public function getInfo() {
$class = static::class;
return [
'#input' => TRUE,
'#step' => 1,
'#process' => [
[
$class,
'processAjaxForm',
],
],
'#element_validate' => [
[
$class,
'validateNumber',
],
],
'#pre_render' => [
[
$class,
'preRenderNumber',
],
],
'#theme' => 'input__number',
'#theme_wrappers' => [
'form_element',
],
];
}
public static function validateNumber(&$element, FormStateInterface $form_state, &$complete_form) {
$value = $element['#value'];
if ($value === '') {
return;
}
$name = empty($element['#title']) ? $element['#parents'][0] : $element['#title'];
if (!is_numeric($value)) {
$form_state
->setError($element, t('%name must be a number.', [
'%name' => $name,
]));
return;
}
if (isset($element['#min']) && $value < $element['#min']) {
$form_state
->setError($element, t('%name must be higher than or equal to %min.', [
'%name' => $name,
'%min' => $element['#min'],
]));
}
if (isset($element['#max']) && $value > $element['#max']) {
$form_state
->setError($element, t('%name must be lower than or equal to %max.', [
'%name' => $name,
'%max' => $element['#max'],
]));
}
if (isset($element['#step']) && strtolower($element['#step']) != 'any') {
$offset = $element['#min'] ?? 0.0;
if (!NumberUtility::validStep($value, $element['#step'], $offset)) {
$form_state
->setError($element, t('%name is not a valid number.', [
'%name' => $name,
]));
}
}
}
public static function preRenderNumber($element) {
$element['#attributes']['type'] = 'number';
Element::setAttributes($element, [
'id',
'name',
'value',
'step',
'min',
'max',
'placeholder',
'size',
]);
static::setAttributes($element, [
'form-number',
]);
return $element;
}
}
Classes