public static function WebformImageResolution::valueCallback in Webform 8.5

Same name and namespace in other branches

1. 6.x src/Element/WebformImageResolution.php \Drupal\webform\Element\WebformImageResolution::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/WebformImageResolution.php, line 40

Class

WebformImageResolution

Provides a webform image resolution 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'] = '';
    }
    $max_resolution = explode('x', $element['#default_value']) + [
      '',
      '',
    ];
    return [
      'x' => $max_resolution[0],
      'y' => $max_resolution[1],
    ];
  }
  else {
    return $input;
  }
}