public function ProductVariationTypeForm::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/product/src/Form/ProductVariationTypeForm.php, line 53

Class

ProductVariationTypeForm

Namespace

Drupal\commerce_product\Form

Code

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

  /** @var \Drupal\commerce_product\Entity\ProductVariationTypeInterface $variation_type */
  $variation_type = $this->entity;
  $form['label'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Label'),
    '#maxlength' => 255,
    '#default_value' => $variation_type
      ->label(),
    '#required' => TRUE,
  ];
  $form['id'] = [
    '#type' => 'machine_name',
    '#default_value' => $variation_type
      ->id(),
    '#machine_name' => [
      'exists' => '\\Drupal\\commerce_product\\Entity\\ProductVariationType::load',
    ],
    '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
    '#disabled' => !$variation_type
      ->isNew(),
  ];
  $form['generateTitle'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Generate variation titles based on attribute values.'),
    '#default_value' => $variation_type
      ->shouldGenerateTitle(),
  ];
  $form = $this
    ->buildTraitForm($form, $form_state);
  if ($this->moduleHandler
    ->moduleExists('commerce_order')) {

    // Prepare a list of order item types used to purchase product variations.
    $order_item_type_storage = $this->entityTypeManager
      ->getStorage('commerce_order_item_type');
    $order_item_types = $order_item_type_storage
      ->loadMultiple();
    $order_item_types = array_filter($order_item_types, function ($order_item_type) {

      /** @var \Drupal\commerce_order\Entity\OrderItemTypeInterface $order_item_type */
      return $order_item_type
        ->getPurchasableEntityTypeId() == 'commerce_product_variation';
    });
    $form['orderItemType'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Order item type'),
      '#default_value' => $variation_type
        ->getOrderItemTypeId(),
      '#options' => EntityHelper::extractLabels($order_item_types),
      '#empty_value' => '',
      '#required' => TRUE,
    ];
  }
  $attribute_map = [];
  if ($this->operation == 'edit') {
    $attribute_map = $this->attributeFieldManager
      ->getFieldMap($variation_type
      ->id());
  }
  elseif ($this->operation == 'duplicate') {
    $attribute_map = $this->attributeFieldManager
      ->getFieldMap($this->sourceEntity
      ->id());
  }
  $used_attributes = array_column($attribute_map, 'attribute_id');

  /** @var \Drupal\commerce_product\Entity\ProductAttributeInterface[] $attributes */
  $attributes = $this->entityTypeManager
    ->getStorage('commerce_product_attribute')
    ->loadMultiple();
  $attribute_options = EntityHelper::extractLabels($attributes);
  $form['original_attributes'] = [
    '#type' => 'value',
    '#value' => $used_attributes,
  ];
  $form['attributes'] = [
    '#type' => 'checkboxes',
    '#title' => $this
      ->t('Attributes'),
    '#options' => $attribute_options,
    '#default_value' => $used_attributes,
    '#access' => !empty($attribute_options),
  ];
  $disabled_attributes = [];
  if (!$variation_type
    ->isNew()) {

    // Disable options which cannot be unset because of existing data.
    foreach ($used_attributes as $attribute_id) {
      if (!$this->attributeFieldManager
        ->canDeleteField($attributes[$attribute_id], $variation_type
        ->id())) {
        $form['attributes'][$attribute_id] = [
          '#disabled' => TRUE,
        ];
        $disabled_attributes[] = $attribute_id;
      }
    }
  }
  $form['disabled_attributes'] = [
    '#type' => 'value',
    '#value' => $disabled_attributes,
  ];
  if ($this->moduleHandler
    ->moduleExists('language')) {
    $form['language'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Language settings'),
      '#group' => 'additional_settings',
    ];
    $form['language']['language_configuration'] = [
      '#type' => 'language_configuration',
      '#entity_information' => [
        'entity_type' => 'commerce_product_variation',
        'bundle' => $variation_type
          ->id(),
      ],
      '#default_value' => ContentLanguageSettings::loadByEntityTypeBundle('commerce_product_variation', $variation_type
        ->id()),
    ];
    $form['#submit'][] = 'language_configuration_element_submit';
  }
  return $form;
}