public static function YamlFormElementStates::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/YamlFormElementStates.php, line 39

Class

YamlFormElementStates

Provides a form element to edit an element's #states.

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'])) {
        $default_value = Yaml::decode($element['#default_value']);
      }
      else {
        $default_value = $element['#default_value'] ?: [];
      }
      return self::convertFormApiStatesToStatesArray($default_value);
    }
    else {
      return [];
    }
  }
  elseif (is_array($input) && isset($input['states'])) {
    return is_string($input['states']) ? Yaml::decode($input['states']) : self::convertFormValuesToStatesArray($input['states']);
  }
  else {
    return [];
  }
}