public function LayoutTestPlugin::validateConfigurationForm in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/modules/layout_test/src/Plugin/Layout/LayoutTestPlugin.php \Drupal\layout_test\Plugin\Layout\LayoutTestPlugin::validateConfigurationForm()

Form validation handler.

Parameters

array $form: An associative array containing the structure of the plugin form as built by static::buildConfigurationForm().

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form. Calling code should pass on a subform state created through \Drupal\Core\Form\SubformState::createForSubform().

Overrides LayoutDefault::validateConfigurationForm

File

core/modules/system/tests/modules/layout_test/src/Plugin/Layout/LayoutTestPlugin.php, line 51

Class

LayoutTestPlugin

The plugin that handles the default layout template.

Namespace

Drupal\layout_test\Plugin\Layout

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  if ($form_state
    ->getValue('setting_1') === 'Test Validation Error Message') {
    $form_state
      ->setErrorByName('setting_1', 'Validation Error Message');
  }
}