TourBuilderExportForm.php in Tour Builder 8

Namespace

Drupal\tour_builder\Form

File

src/Form/TourBuilderExportForm.php

<?php

namespace Drupal\tour_builder\Form;

use Drupal\Core\Config\StorageInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Serialization\Yaml;
use Drupal\Core\StringTranslation\StringTranslationTrait;

/**
 * Form controller for the tour entity clone form.
 */
class TourBuilderExportForm extends EntityForm {
  use StringTranslationTrait;

  /**
   * Entity manager service.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The config storage.
   *
   * @var \Drupal\Core\Config\StorageInterface
   */
  protected $configStorage;

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

  /**
   * Constructs a TourForm object.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity manager service.
   * @param \Drupal\Core\Config\StorageInterface $config_storage
   *   The config storage service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, StorageInterface $config_storage) {
    $this->entityTypeManager = $entity_type_manager;
    $this->configStorage = $config_storage;
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $form = parent::form($form, $form_state);
    $definition = $this->entityTypeManager
      ->getDefinition('tour');
    $name = $definition
      ->getConfigPrefix() . '.' . $this->entity
      ->getOriginalId();
    $config = $this->configStorage
      ->read($name);
    $unset_keys = [
      'uuid',
      '_core',
    ];
    foreach ($unset_keys as $key) {
      unset($config[$key]);
    }
    $content = Yaml::encode($config);

    // $filename = $name . '.yml';
    // $path = 'temporary://' . $filename;
    // //$link = \Drupal::l($name, Url::fromUri($path));
    // file_put_contents($path, $content);
    // $form['link'] = array(
    // '#type' => 'item',
    // '#title' => $this->t('Download'),
    // '#description' => 'Right click to download.',
    // '#markup' => $link,
    // );
    $form['export'] = [
      '#type' => 'textarea',
      '#title' => $this
        ->t('YAML Content'),
      '#description' => $this
        ->t('Filename: %name', [
        '%name' => $name . '.yml',
      ]),
      '#rows' => 15,
      '#default_value' => $content,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state, $redirect = TRUE) {

    // Make sure new_name does not exists.
    // Make sure module exists.
    $old_name = $form_state
      ->getValue('old_name');
    $new_name = $form_state
      ->getValue('new_name');
    if ($form_state
      ->isValueEmpty('new_name')) {
      $form_state
        ->setError($form['new_name'], $this
        ->t('The tour file name cannot be empty.'));
    }
    if ($old_name == $new_name) {
      $form_state
        ->setError($form['new_name'], $this
        ->t('You must change the new tour file name', [
        '%tip' => 'XXX',
      ]));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state, $redirect = TRUE) {

    // No need to submit the form as we did nothing to the original
    // entity did we?!
    // parent::submitForm($form, $form_state);.
    // Redirect to Entity edition.
    if ($redirect) {
      $form_state
        ->setRedirect('entity.tour.edit_form', [
        'tour' => $this->entity
          ->id(),
      ]);
    }
  }

}

Classes

Name	Description
TourBuilderExportForm	Form controller for the tour entity clone form.