public static function YamlFormElementOptions::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/YamlFormElementOptions.php, line 43

Class

YamlFormElementOptions

Provides a form element for managing form element options.

Namespace

Drupal\yamlform\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  if ($input === FALSE) {
    if (isset($element['#default_value'])) {
      if (is_string($element['#default_value'])) {
        return YamlFormOptionsEntity::load($element['#default_value']) ? $element['#default_value'] : [];
      }
      else {
        return $element['#default_value'];
      }
    }
    else {
      return [];
    }
  }
  elseif (!empty($input['options'])) {
    return $input['options'];
  }
  elseif (isset($input['custom']['options'])) {
    return $input['custom']['options'];
  }
  else {
    return [];
  }
}