public static function YamlFormElementStates::addStateSubmit in YAML Form 8

Form submission handler for adding another state.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

File

src/Element/YamlFormElementStates.php, line 355

Class

YamlFormElementStates

Provides a form element to edit an element's #states.

Namespace

Drupal\yamlform\Element

Code

public static function addStateSubmit(array &$form, FormStateInterface $form_state) {

  // Get the form states element by going up one level.
  $button = $form_state
    ->getTriggeringElement();
  $element =& NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -1));
  $values = $element['states']['#value'];

  // Add new state and condition.
  $values[] = [
    'state' => '',
    'operator' => 'and',
  ];
  $values[] = [
    'selector' => [
      'select' => '',
      'other' => '',
    ],
    'trigger' => '',
    'value' => '',
  ];

  // Update element's #value.
  $form_state
    ->setValueForElement($element['states'], $values);
  NestedArray::setValue($form_state
    ->getUserInput(), $element['states']['#parents'], $values);

  // Update the number of rows.
  $form_state
    ->set(self::getStorageKey($element, 'number_of_rows'), count($values));

  // Rebuild the form.
  $form_state
    ->setRebuild();
}