public static function AssociativeArray::processAssociativeArray in Map Widget 8

Form API callback: Processes an associative array form element.

This method is assigned as a #process callback in getInfo() method.

File

src/Element/AssociativeArray.php, line 99

Class

AssociativeArray

Class KeyValuePair provides a form element for entering paired values.

Namespace

Drupal\map_widget\Element

Code

public static function processAssociativeArray(&$element, FormStateInterface $form_state, &$complete_form) {
  $elementIndex = 0;
  if (empty($element['#default_value'])) {

    // One empty pair if there is no value.
    $element[$elementIndex] = self::arrayElementForm('', '', $element['#size'], $element['#key_placeholder'], $element['#value_placeholder'], $element['#required']);
  }
  foreach ($element['#default_value'] as $key => $value) {

    // Each key/value pair in it's own mini form.
    $element[$elementIndex] = self::arrayElementForm($key, $value, $element['#size'], $element['#key_placeholder'], $element['#value_placeholder'], $element['#required']);
    $elementIndex++;
  }
  for ($extra = $elementIndex; $extra < $element['#count']; $extra++) {

    // Add extra empty pairs if the count is more than then number of pairs.
    $element[$extra] = self::arrayElementForm('', '', $element['#size'], $element['#key_placeholder'], $element['#value_placeholder'], FALSE);
  }
  return $element;
}