public static function JQueryColorpickerElement::valueCallback in Jquery Colorpicker 8.2

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

1 call to JQueryColorpickerElement::valueCallback()

JQueryColorpickerTest::testValueCallback in tests/src/Unit/Element/JQueryColorpickerTest.php

@covers ::valueCallback

File

src/Element/JQueryColorpickerElement.php, line 62

Class

JQueryColorpickerElement

Provides a jQuery colorpicker form element.

Namespace

Drupal\jquery_colorpicker\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  if ($input !== FALSE && $input !== NULL && is_scalar($input)) {
    if (\Drupal::service('colorapi.service')
      ->isValidHexadecimalColorString($input)) {
      return strtoupper($input);
    }
  }
  return NULL;
}