GathercontentMultistepFormBase.php in GatherContent 8

Namespace

Drupal\gathercontent\Form

File

src/Form/GathercontentMultistepFormBase.php

<?php

namespace Drupal\gathercontent\Form;

use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Entity\Query\QueryFactory;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\user\PrivateTempStoreFactory;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Class GathercontentMultistepFormBase.
 *
 * @package Drupal\gathercontent\Form
 */
abstract class GathercontentMultistepFormBase extends FormBase {

  /**
   * Drupal\Core\Entity\EntityManager definition.
   *
   * @var EntityManager
   */
  protected $entity_manager;

  /**
   * Drupal\Core\Datetime\DateFormatter definition.
   *
   * @var DateFormatter
   */
  protected $date_formatter;

  /**
   * @var \Drupal\user\PrivateTempStoreFactory
   */
  protected $tempStoreFactory;

  /**
   * @var \Drupal\Core\Entity\Query\QueryFactory
   */
  protected $entityQuery;

  /**
   * @var \Drupal\user\PrivateTempStore
   */
  protected $store;
  public function __construct(EntityManagerInterface $entity_manager, DateFormatterInterface $date_formatter, PrivateTempStoreFactory $temp_store_factory, QueryFactory $entityQuery) {
    $this->entity_manager = $entity_manager;
    $this->date_formatter = $date_formatter;
    $this->tempStoreFactory = $temp_store_factory;
    $this->entityQuery = $entityQuery;
    $this->store = $this->tempStoreFactory
      ->get('gathercontent_multistep_data');
  }
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.manager'), $container
      ->get('date.formatter'), $container
      ->get('user.private_tempstore'), $container
      ->get('entity.query'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = array();
    $form['actions']['#type'] = 'actions';
    $form['actions']['submit'] = array(
      '#type' => 'submit',
      '#value' => $this
        ->t('Submit'),
      '#button_type' => 'primary',
      '#weight' => 10,
    );
    return $form;
  }

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

  /**
   * Saves the data from the multistep form.
   */
  protected function saveData() {

    // Logic for saving data goes here...
    $this
      ->deleteStore([]);
    drupal_set_message($this
      ->t('The form has been saved.'));
  }

  /**
   * Helper method that removes all the keys from the store collection used for
   * the multistep form.
   *
   * @param array $keys
   *   Array of keys to delete.
   */
  protected function deleteStore(array $keys) {
    foreach ($keys as $key) {
      $this->store
        ->delete($key);
    }
  }

}

Classes

Name	Description
GathercontentMultistepFormBase	Class GathercontentMultistepFormBase.