public static function WebformHeight::valueCallback in Webform 8.5

Same name and namespace in other branches

1. 6.x src/Element/WebformHeight.php \Drupal\webform\Element\WebformHeight::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 FormElement::valueCallback

File

src/Element/WebformHeight.php, line 58

Class

WebformHeight

Provides a webform height element.

Namespace

Drupal\webform\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  if ($input === FALSE) {
    if (!isset($element['#default_value']) || $element['#default_value'] === '') {
      $element['#default_value'] = [
        'feet' => NULL,
        'inches' => NULL,
      ];
    }
    else {
      $value = (double) $element['#default_value'];
      $feet = floor($value / 12);
      $inches = $value - $feet * 12;
      $element['#default_value'] = [
        'feet' => $feet,
        'inches' => $inches,
      ];
    }
    return $element['#default_value'];
  }
  else {
    $element['#default_value'] = $input;
    return $input;
  }
}