public static function YamlFormCompositeBase::valueCallback in YAML Form 8

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 FormElement::valueCallback

File

src/Element/YamlFormCompositeBase.php, line 42

Class

YamlFormCompositeBase

Provides an base composite form element.

Namespace

Drupal\yamlform\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  $composite_elements = static::getCompositeElements();
  $default_value = [];
  foreach ($composite_elements as $composite_key => $composite_element) {
    if (isset($composite_element['#type']) && $composite_element['#type'] != 'label') {
      $default_value[$composite_key] = '';
    }
  }
  if ($input === FALSE) {
    if (empty($element['#default_value']) || !is_array($element['#default_value'])) {
      $element['#default_value'] = [];
    }
    return $element['#default_value'] + $default_value;
  }
  return is_array($input) ? $input + $default_value : $default_value;
}