public static function YamlFormElementStates::removeRowSubmit in YAML Form 8
Form submission handler for removing a state or condition.
Parameters
array $form: An associative array containing the structure of the form.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
File
- src/
Element/ YamlFormElementStates.php, line 430
Class
- YamlFormElementStates
- Provides a form element to edit an element's #states.
Namespace
Drupal\yamlform\ElementCode
public static function removeRowSubmit(array &$form, FormStateInterface $form_state) {
$button = $form_state
->getTriggeringElement();
$element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -4));
$row_index = $button['#row_index'];
$values = $element['states']['#value'];
if (isset($values[$row_index]['state'])) {
// Remove state.
do {
unset($values[$row_index]);
$row_index++;
} while (isset($values[$row_index]) && !isset($values[$row_index]['state']));
}
else {
// Remove condition.
unset($values[$row_index]);
}
// Reset values.
$values = array_values($values);
// Set values.
$form_state
->setValueForElement($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();
}