public function NumberPatternForm::form in Commerce Core 8.2

Gets the actual form array to be built.

Overrides EntityForm::form

See also

\Drupal\Core\Entity\EntityForm::processForm()

\Drupal\Core\Entity\EntityForm::afterBuild()

File

modules/number_pattern/src/Form/NumberPatternForm.php, line 69

Class

NumberPatternForm

Namespace

Drupal\commerce_number_pattern\Form

Code

public function form(array $form, FormStateInterface $form_state) {
  $form = parent::form($form, $form_state);

  /** @var \Drupal\commerce_number_pattern\Entity\NumberPatternInterface $number_pattern */
  $number_pattern = $this->entity;
  $plugins = array_column($this->pluginManager
    ->getDefinitions(), 'label', 'id');
  asort($plugins);

  // Use the first available plugin as the default value.
  if (!$number_pattern
    ->getPluginId()) {
    $plugin_ids = array_keys($plugins);
    $plugin = reset($plugin_ids);
    $number_pattern
      ->setPluginId($plugin);
  }

  // The form state will have a plugin value if #ajax was used.
  $plugin = $form_state
    ->getValue('plugin', $number_pattern
    ->getPluginId());
  $target_entity_type_id = $form_state
    ->getValue('targetEntityType', $number_pattern
    ->getTargetEntityTypeId());

  // Pass the plugin configuration only if the plugin hasn't been changed via #ajax.
  $plugin_configuration = $number_pattern
    ->getPluginId() == $plugin ? $number_pattern
    ->getPluginConfiguration() : [];
  $wrapper_id = Html::getUniqueId('number-pattern-form');
  $form['#prefix'] = '<div id="' . $wrapper_id . '">';
  $form['#suffix'] = '</div>';
  $form['#tree'] = TRUE;
  $entity_types = $this->entityTypeManager
    ->getDefinitions();
  $options = [];
  foreach ($entity_types as $entity_type) {
    if ($entity_type
      ->get('allow_number_patterns')) {
      $options[$entity_type
        ->id()] = $entity_type
        ->getLabel();
    }
  }
  if (empty($target_entity_type_id) && count($options) === 1) {

    // There's only one option, pre-select it.
    $option_ids = array_keys($options);
    $target_entity_type_id = reset($option_ids);
  }
  $form_state
    ->set('target_entity_type', $target_entity_type_id);
  $form['label'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Name'),
    '#maxlength' => 255,
    '#default_value' => $number_pattern
      ->label(),
    '#required' => TRUE,
  ];
  $form['id'] = [
    '#type' => 'machine_name',
    '#default_value' => $number_pattern
      ->id(),
    '#machine_name' => [
      'exists' => '\\Drupal\\commerce_number_pattern\\Entity\\NumberPattern::load',
    ],
    '#disabled' => !$number_pattern
      ->isNew(),
  ];
  $form['targetEntityType'] = [
    '#type' => 'select',
    '#title' => $this
      ->t('Type'),
    '#default_value' => $target_entity_type_id,
    '#options' => $options,
    '#required' => TRUE,
    '#disabled' => !$number_pattern
      ->isNew(),
    '#ajax' => [
      'callback' => '::ajaxRefresh',
      'wrapper' => $wrapper_id,
    ],
    '#access' => count($options) > 1,
  ];
  if (!$target_entity_type_id) {
    return $form;
  }
  $form['plugin'] = [
    '#type' => 'radios',
    '#title' => $this
      ->t('Number generation method'),
    '#options' => $plugins,
    '#default_value' => $plugin,
    '#required' => TRUE,
    '#ajax' => [
      'callback' => '::ajaxRefresh',
      'wrapper' => $wrapper_id,
    ],
  ];
  $inline_form = $this->inlineFormManager
    ->createInstance('plugin_configuration', [
    'plugin_type' => 'commerce_number_pattern',
    'plugin_id' => $plugin,
    'plugin_configuration' => $plugin_configuration,
  ]);
  $form['configuration']['#inline_form'] = $inline_form;
  $form['configuration']['#parents'] = [
    'configuration',
  ];
  $form['configuration'] = $inline_form
    ->buildInlineForm($form['configuration'], $form_state);
  return $form;
}