public static function ScssFontFamily::valueCallback in SCSS Compiler 1.0.x

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/ScssFontFamily.php, line 221

Class

ScssFontFamily

A form element to represent font families.

Namespace

Drupal\compiler_scss\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {

  // Populate the element with a default value if none already exists.
  $element += [
    '#default_value' => NULL,
  ];

  // Check if the element's default value should be used in lieu of an input.
  if ($input === FALSE) {

    // Replace the input with the element's default value if FALSE.
    $input = $element['#default_value'];
  }
  return self::cleanValue($input);
}