public static function Radios::processRadios in Drupal 8
Same name and namespace in other branches
- 9 core/lib/Drupal/Core/Render/Element/Radios.php \Drupal\Core\Render\Element\Radios::processRadios()
Expands a radios element into individual radio elements.
1 call to Radios::processRadios()
- template_preprocess_views_ui_build_group_filter_form in core/
modules/ views_ui/ views_ui.theme.inc - Prepares variables for Views UI build group filter form templates.
File
- core/
lib/ Drupal/ Core/ Render/ Element/ Radios.php, line 55
Class
- Radios
- Provides a form element for a set of radio buttons.
Namespace
Drupal\Core\Render\ElementCode
public static function processRadios(&$element, FormStateInterface $form_state, &$complete_form) {
if (count($element['#options']) > 0) {
$weight = 0;
foreach ($element['#options'] as $key => $choice) {
// Maintain order of options as defined in #options, in case the element
// defines custom option sub-elements, but does not define all option
// sub-elements.
$weight += 0.001;
$element += [
$key => [],
];
// Generate the parents as the autogenerator does, so we will have a
// unique id for each radio button.
$parents_for_id = array_merge($element['#parents'], [
$key,
]);
$element[$key] += [
'#type' => 'radio',
'#title' => $choice,
// The key is sanitized in Drupal\Core\Template\Attribute during output
// from the theme function.
'#return_value' => $key,
// Use default or FALSE. A value of FALSE means that the radio button is
// not 'checked'.
'#default_value' => isset($element['#default_value']) ? $element['#default_value'] : FALSE,
'#attributes' => $element['#attributes'],
'#parents' => $element['#parents'],
'#id' => HtmlUtility::getUniqueId('edit-' . implode('-', $parents_for_id)),
'#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
// Errors should only be shown on the parent radios element.
'#error_no_message' => TRUE,
'#weight' => $weight,
];
}
}
return $element;
}