FileActionForm.php in Ubercart 8.4

Namespace

Drupal\uc_file\Form

File

uc_file/src/Form/FileActionForm.php

<?php

namespace Drupal\uc_file\Form;

use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Form builder for file products admin.
 */
class FileActionForm extends FormBase {

  /**
   * The module handler.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;

  /**
   * Form constructor.
   *
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler.
   */
  public function __construct(ModuleHandlerInterface $module_handler) {
    $this->moduleHandler = $module_handler;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('module_handler'));
  }

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

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

    //    $this->moduleHandler->loadInclude('uc_file', 'inc', 'uc_file.admin');

    //if ($form_state->get('step') == UC_FILE_FORM_ACTION) {

    //  return $form + \Drupal::formBuilder()->buildForm('Drupal\uc_file\Form\ActionForm', $form, $form_state);

    //}

    //else {

    // Refresh our file list before display.
    uc_file_refresh();

    // Rebuilds uc_file table from directory contents! I sure hope it's smart about it...
    // Render everything.
    //  return $form + \Drupal::formBuilder()->buildForm('Drupal\uc_file\Form\ShowForm', $form, $form_state);

    //}
    $form['#attached']['library'][] = 'uc_file/uc_file.styles';
    $form['help'] = [
      '#prefix' => '<p>',
      '#markup' => $this
        ->t('File downloads can be attached to any Ubercart product as a product feature. For security reasons the <a href=":download_url">file downloads directory</a> is separated from the Drupal <a href=":file_url">file system</a>. Below is the list of files (and their associated Ubercart products, if any) that can be used for file downloads.', [
        ':download_url' => Url::fromRoute('uc_product.settings', [], [
          'query' => [
            'destination' => 'admin/store/products/files',
          ],
        ])
          ->toString(),
        ':file_url' => Url::fromRoute('system.file_system_settings')
          ->toString(),
      ]),
      '#suffix' => '<p>',
    ];
    $form['uc_file_action'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('File options'),
    ];

    // Set our default actions.
    $file_actions = [
      'uc_file_upload' => $this
        ->t('Upload file(s)'),
      'uc_file_delete' => $this
        ->t('Delete file(s)'),
    ];

    // Check if any hook_uc_file_action('info', $args) are implemented.
    foreach ($this->moduleHandler
      ->getImplementations('uc_file_action') as $module) {
      $name = $module . '_uc_file_action';
      $result = $name('info', NULL);
      if (is_array($result)) {
        foreach ($result as $key => $action) {
          if ($key != 'uc_file_delete' && $key != 'uc_file_upload') {
            $file_actions[$key] = $action;
          }
        }
      }
    }
    $form['uc_file_action']['container'] = [
      '#type' => 'container',
      '#attributes' => [
        'class' => [
          'duration',
        ],
      ],
    ];
    $form['uc_file_action']['container']['action'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Action'),
      '#options' => $file_actions,
    ];
    $form['uc_file_actions']['container']['actions'] = [
      '#type' => 'actions',
    ];
    $form['uc_file_action']['container']['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Perform action'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    switch ($form_state
      ->getValue('action')) {
      case 'uc_file_delete':
        $file_ids = [];
        if (is_array($form_state
          ->getValue('file_select'))) {
          foreach ($form_state
            ->getValue('file_select') as $fid => $value) {
            if ($value) {
              $file_ids[] = $fid;
            }
          }
        }
        if (count($file_ids) == 0) {
          $form_state
            ->setErrorByName('', $this
            ->t('You must select at least one file to delete.'));
        }
        break;
      case 'uc_file_upload':

        // Nothing to do in this case.
        break;
      default:

        // @todo Deal with validating hook-provided actions.
        break;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    switch ($form_state
      ->getValue('action')) {
      case 'uc_file_delete':
        $form_state
          ->setRedirect('uc_file.delete');
        break;
      case 'uc_file_upload':
        $form_state
          ->setRedirect('uc_file.upload');
        break;
      default:

        // @todo Deal with submitting hook-provided actions.
        break;
    }
  }

}

Classes

Name	Description
FileActionForm	Form builder for file products admin.