commerce-8.x-2.8/modules/checkout/src/Plugin/Commerce/CheckoutPane/CheckoutPaneBase.php

<?php

namespace Drupal\commerce_checkout\Plugin\Commerce\CheckoutPane;

use Drupal\commerce_checkout\Plugin\Commerce\CheckoutFlow\CheckoutFlowInterface;
use Drupal\commerce_order\Entity\OrderInterface;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Plugin\PluginBase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides the base checkout pane class.
 */
abstract class CheckoutPaneBase extends PluginBase implements CheckoutPaneInterface, ContainerFactoryPluginInterface {

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The parent checkout flow.
   *
   * @var \Drupal\commerce_checkout\Plugin\Commerce\CheckoutFlow\CheckoutFlowWithPanesInterface
   */
  protected $checkoutFlow;

  /**
   * The current order.
   *
   * @var \Drupal\commerce_order\Entity\OrderInterface
   */
  protected $order;

  /**
   * Constructs a new CheckoutPaneBase object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\commerce_checkout\Plugin\Commerce\CheckoutFlow\CheckoutFlowInterface $checkout_flow
   *   The parent checkout flow.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, CheckoutFlowInterface $checkout_flow, EntityTypeManagerInterface $entity_type_manager) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);

    $this->checkoutFlow = $checkout_flow;
    $this->order = $checkout_flow->getOrder();
    $this->setConfiguration($configuration);
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition, CheckoutFlowInterface $checkout_flow = NULL) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $checkout_flow,
      $container->get('entity_type.manager')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    return [
      'module' => [$this->pluginDefinition['provider']],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getConfiguration() {
    return $this->configuration;
  }

  /**
   * {@inheritdoc}
   */
  public function setConfiguration(array $configuration) {
    $this->configuration = NestedArray::mergeDeep($this->defaultConfiguration(), $configuration);
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    $available_steps = array_keys($this->checkoutFlow->getSteps());
    $available_steps[] = '_sidebar';
    $default_step = $this->pluginDefinition['default_step'];
    if (!$default_step || !in_array($default_step, $available_steps)) {
      // The specified default step isn't available on the parent checkout flow.
      $default_step = '_disabled';
    }

    return [
      'step' => $default_step,
      'weight' => 10,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationSummary() {
    return '';
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {}

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {}

  /**
   * {@inheritdoc}
   */
  public function setOrder(OrderInterface $order) {
    $this->order = $order;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function getId() {
    return $this->pluginId;
  }

  /**
   * {@inheritdoc}
   */
  public function getLabel() {
    return $this->pluginDefinition['label'];
  }

  /**
   * {@inheritdoc}
   */
  public function getDisplayLabel() {
    return $this->pluginDefinition['display_label'];
  }

  /**
   * {@inheritdoc}
   */
  public function getWrapperElement() {
    return $this->pluginDefinition['wrapper_element'];
  }

  /**
   * {@inheritdoc}
   */
  public function getStepId() {
    return $this->configuration['step'];
  }

  /**
   * {@inheritdoc}
   */
  public function setStepId($step_id) {
    $this->configuration['step'] = $step_id;
  }

  /**
   * {@inheritdoc}
   */
  public function getWeight() {
    return $this->configuration['weight'];
  }

  /**
   * {@inheritdoc}
   */
  public function setWeight($weight) {
    $this->configuration['weight'] = $weight;
  }

  /**
   * {@inheritdoc}
   */
  public function isVisible() {
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function buildPaneSummary() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function validatePaneForm(array &$pane_form, FormStateInterface $form_state, array &$complete_form) {}

  /**
   * {@inheritdoc}
   */
  public function submitPaneForm(array &$pane_form, FormStateInterface $form_state, array &$complete_form) {}

}