public function Style::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 PluginFormInterface::validateConfigurationForm

File

core/modules/ckeditor5/src/Plugin/CKEditor5Plugin/Style.php, line 68

Class

Style

CKEditor 5 Style plugin configuration.

Namespace

Code

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

  // Match the config schema structure at ckeditor5.plugin.ckeditor5_style.
  $form_value = $form_state
    ->getValue('styles');
  [
    $styles,
    $invalid_lines,
  ] = self::parseStylesFormValue($form_value);
  if (!empty($invalid_lines)) {
    $line_numbers = array_keys($invalid_lines);
    $form_state
      ->setError($form['styles'], $this
      ->formatPlural(count($invalid_lines), 'Line @line-number does not contain a valid value. Enter a valid CSS selector containing one or more classes, followed by a pipe symbol and a label.', 'Lines @line-numbers do not contain a valid value. Enter a valid CSS selector containing one or more classes, followed by a pipe symbol and a label.', [
      '@line-number' => reset($line_numbers),
      '@line-numbers' => implode(', ', $line_numbers),
    ]));
  }
  $form_state
    ->setValue('styles', $styles);
}