public static CompositeFormElementTrait::preRenderCompositeFormElement($element)
Adds form element theming to an element if its title or description is set.
This is used as a pre render function for checkboxes and radios.
File
- core/lib/Drupal/Core/Render/Element/CompositeFormElementTrait.php, line 18
Class
- CompositeFormElementTrait
- Provides a trait for radios, checkboxes, and similar composite form elements.
Namespace
Drupal\Core\Render\Element
Code
public static function preRenderCompositeFormElement($element) {
// Set the element's title attribute to show #title as a tooltip, if needed.
if (isset($element['#title']) && $element['#title_display'] == 'attribute') {
$element['#attributes']['title'] = $element['#title'];
if (!empty($element['#required'])) {
// Append an indication that this field is required.
$element['#attributes']['title'] .= ' (' . t('Required') . ')';
}
}
if (isset($element['#title']) || isset($element['#description'])) {
// @see #type 'fieldgroup'
$element['#attributes']['id'] = $element['#id'] . '--wrapper';
$element['#theme_wrappers'][] = 'fieldset';
$element['#attributes']['class'][] = 'fieldgroup';
$element['#attributes']['class'][] = 'form-composite';
}
return $element;
}
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