function ConfigSingleExportForm::updateExport

Handles switching the export textarea.

File

core/modules/config/src/Form/ConfigSingleExportForm.php, line 146

Class

ConfigSingleExportForm

Provides a form for exporting a single configuration file.

Namespace

Code

public function updateExport($form, FormStateInterface $form_state) {
  // Determine the full config name for the selected config entity.
  if ($form_state->getValue('config_type') !== 'system.simple') {
    $definition = $this->entityTypeManager
      ->getDefinition($form_state->getValue('config_type'));
    $name = $definition->getConfigPrefix() . '.' . $form_state->getValue('config_name');
  }
  else {
    $name = $form_state->getValue('config_name');
  }
  // Read the raw data for this config name, encode it, and display it.
  $exists = $this->configStorage
    ->exists($name);
  $form['export']['#value'] = !$exists ? NULL : Yaml::encode($this->configStorage
    ->read($name));
  $form['export']['#description'] = !$exists ? NULL : $this->t('Filename: %name', [
    '%name' => $name . '.yml',
  ]);
  return $form['export'];
}