TaxTypeForm.php in Commerce Core 8.2

Namespace

Drupal\commerce_tax\Form

File

modules/tax/src/Form/TaxTypeForm.php

<?php

namespace Drupal\commerce_tax\Form;

use Drupal\commerce\InlineFormManager;
use Drupal\commerce_tax\TaxTypeManager;
use Drupal\Component\Utility\Html;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
class TaxTypeForm extends EntityForm {

  /**
   * The tax type plugin manager.
   *
   * @var \Drupal\commerce_tax\TaxTypeManager
   */
  protected $pluginManager;

  /**
   * The inline form manager.
   *
   * @var \Drupal\commerce\InlineFormManager
   */
  protected $inlineFormManager;

  /**
   * Constructs a new TaxTypeForm object.
   *
   * @param \Drupal\commerce_tax\TaxTypeManager $plugin_manager
   *   The tax type plugin manager.
   * @param \Drupal\commerce\InlineFormManager $inline_form_manager
   *   The inline form manager.
   */
  public function __construct(TaxTypeManager $plugin_manager, InlineFormManager $inline_form_manager) {
    $this->pluginManager = $plugin_manager;
    $this->inlineFormManager = $inline_form_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('plugin.manager.commerce_tax_type'), $container
      ->get('plugin.manager.commerce_inline_form'));
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $form = parent::form($form, $form_state);

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

    // Move the Custom plugin to the front.
    unset($plugins['custom']);
    $plugins = [
      'custom' => $this
        ->t('Custom'),
    ] + $plugins;

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

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

    // Pass the plugin configuration only if the plugin hasn't been changed via #ajax.
    $plugin_configuration = $type
      ->getPluginId() == $plugin ? $type
      ->getPluginConfiguration() : [];
    $wrapper_id = Html::getUniqueId('tax-type-form');
    $form['#tree'] = TRUE;
    $form['#prefix'] = '<div id="' . $wrapper_id . '">';
    $form['#suffix'] = '</div>';
    $form['#tree'] = TRUE;
    $form['label'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Name'),
      '#maxlength' => 255,
      '#default_value' => $type
        ->label(),
      '#required' => TRUE,
    ];
    $form['id'] = [
      '#type' => 'machine_name',
      '#default_value' => $type
        ->id(),
      '#machine_name' => [
        'exists' => '\\Drupal\\commerce_tax\\Entity\\TaxType::load',
      ],
      '#disabled' => !$type
        ->isNew(),
    ];
    $form['plugin'] = [
      '#type' => 'radios',
      '#title' => $this
        ->t('Plugin'),
      '#options' => $plugins,
      '#default_value' => $plugin,
      '#required' => TRUE,
      '#disabled' => !$type
        ->isNew(),
      '#limit_validation_errors' => [],
      '#ajax' => [
        'callback' => '::ajaxRefresh',
        'wrapper' => $wrapper_id,
      ],
    ];
    $inline_form = $this->inlineFormManager
      ->createInstance('plugin_configuration', [
      'plugin_type' => 'commerce_tax_type',
      '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);
    $form['status'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Enabled'),
      '#default_value' => $type
        ->status(),
    ];
    return $form;
  }

  /**
   * Ajax callback.
   */
  public static function ajaxRefresh(array $form, FormStateInterface $form_state) {
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    parent::submitForm($form, $form_state);

    /** @var \Drupal\commerce_tax\Entity\TaxTypeInterface $type */
    $type = $this->entity;
    $type
      ->setPluginConfiguration($form_state
      ->getValue([
      'configuration',
    ]));
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $this->entity
      ->save();
    $this
      ->messenger()
      ->addMessage($this
      ->t('Saved the %label tax type.', [
      '%label' => $this->entity
        ->label(),
    ]));
    $form_state
      ->setRedirect('entity.commerce_tax_type.collection');
  }

}

Classes

Name	Description
TaxTypeForm