public static function WebformCodeMirror::valueCallback in Webform 8.5
Same name and namespace in other branches
- 6.x src/Element/WebformCodeMirror.php \Drupal\webform\Element\WebformCodeMirror::valueCallback()
Determines how user input is mapped to an element's #value property.
Parameters
array $element: An associative array containing the properties of the element.
mixed $input: The incoming input to populate the form element. If this is FALSE, the element's default value should be returned.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Return value
mixed The value to assign to the element.
Overrides Textarea::valueCallback
File
- src/
Element/ WebformCodeMirror.php, line 71
Class
- WebformCodeMirror
- Provides a webform element for using CodeMirror.
Namespace
Drupal\webform\ElementCode
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
if ($input === FALSE && $element['#mode'] === 'yaml' && isset($element['#default_value'])) {
// Convert associative array in default value to YAML.
if (is_array($element['#default_value'])) {
$element['#default_value'] = WebformYaml::encode($element['#default_value']);
}
// Convert empty YAML into an empty string.
if ($element['#default_value'] === '{ }') {
$element['#default_value'] = '';
}
return $element['#default_value'];
}
return NULL;
}