function ConfigEditor::validateForm

Same name and namespace in other branches
  1. 5.x src/Form/ConfigEditor.php \Drupal\devel\Form\ConfigEditor::validateForm()

Overrides FormBase::validateForm

File

src/Form/ConfigEditor.php, line 98

Class

ConfigEditor
Edit config variable form.

Namespace

Drupal\devel\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $value = $form_state->getValue('new');
  // Try to parse the new provided value.
  try {
    $parsed_value = Yaml::decode($value);
    // Config::setData needs array for the new configuration and
    // a simple string is valid YAML for any reason.
    if (is_array($parsed_value)) {
      $form_state->setValue('parsed_value', $parsed_value);
    }
    else {
      $form_state->setErrorByName('new', $this->t('Invalid input'));
    }
  } catch (InvalidDataTypeException $e) {
    $form_state->setErrorByName('new', $this->t('Invalid input: %error', [
      '%error' => $e->getMessage(),
    ]));
  }
}