QuizQuestionEntityForm.php in Quiz 6.x

Namespace

Drupal\quiz\Form

File

src/Form/QuizQuestionEntityForm.php

<?php

namespace Drupal\quiz\Form;

use Drupal\quiz\Entity\QuizQuestionType;
use Drupal;
use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Form\FormStateInterface;

/**
 * Quiz question authoring form.
 */
class QuizQuestionEntityForm extends ContentEntityForm {
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $entity_manager = Drupal::entityTypeManager();
    $access_handler = $entity_manager
      ->getAccessControlHandler('quiz');
    if ($qid = Drupal::request()
      ->get('qid')) {

      // Requested addition to an existing quiz.
      $vid = Drupal::request()
        ->get('vid');
      $quiz = \Drupal::entityTypeManager()
        ->getStorage('quiz')
        ->loadRevision($vid);

      // Check if the user can add a question to the requested quiz.
      if ($access_handler
        ->access($quiz, 'update')) {
        $form['quiz_id'] = [
          '#title' => t('Quiz ID'),
          '#type' => 'value',
          '#value' => $qid,
        ];
        $form['quiz_vid'] = [
          '#title' => t('Quiz revision ID'),
          '#type' => 'value',
          '#value' => $vid,
        ];
      }
    }
    if ($this->entity
      ->hasBeenAnswered()) {
      $override = \Drupal::currentUser()
        ->hasPermission('override quiz revisioning');
      if (Drupal::config('quiz.settings')
        ->get('revisioning', FALSE)) {
        $form['revision']['#required'] = !$override;
      }
      else {
        $message = $override ? t('<strong>Warning:</strong> This question has attempts. You can edit this question, but it is not recommended.<br/>Attempts in progress and reporting will be affected.<br/>You should delete all attempts on this question before editing.') : t('You must delete all attempts on this question before editing.');

        // Revisioning is disabled.
        $form['revision_information']['#access'] = FALSE;
        $form['revision']['#access'] = FALSE;
        $form['actions']['warning'] = [
          '#type' => 'html_tag',
          '#tag' => 'p',
          '#value' => $message,
        ];
        \Drupal::messenger()
          ->addWarning($message);
        $form['actions']['#disabled'] = TRUE;
      }
      $form['revision']['#description'] = '<strong>Warning:</strong> This question has attempts.<br/>In order to update this question you must create a new revision.<br/>This will affect reporting.<br/>You must update the quizzes with the new revision of this question.';
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   *
   * Redirect to questions form after quiz creation.
   */
  public function save(array $form, FormStateInterface $form_state) {
    $quiz_question = $this->entity;
    $insert = $quiz_question
      ->isNew();
    parent::save($form, $form_state);
    if ($qid = $form_state
      ->getValue('quiz_id')) {

      // Add to quiz if coming from the questions form.
      $vid = $form_state
        ->getValue('quiz_vid');

      /* @var $quiz Quiz */
      $quiz = Drupal::entityTypeManager()
        ->getStorage('quiz')
        ->loadRevision($vid);
      $quiz
        ->addQuestion($this->entity);
    }
    $type = QuizQuestionType::load($quiz_question
      ->bundle());
    $t_args = [
      '@type' => $type
        ->label(),
      '%title' => $quiz_question
        ->toLink()
        ->toString(),
    ];
    if ($insert) {
      $this
        ->messenger()
        ->addStatus($this
        ->t('@type %title has been created.', $t_args));
    }
    else {
      $this
        ->messenger()
        ->addStatus($this
        ->t('@type %title has been updated.', $t_args));
    }
    if ($qid = $form_state
      ->getValue('quiz_id')) {
      $form_state
        ->setRedirect('quiz.questions', [
        'quiz' => $qid,
      ]);
    }
  }

}

Classes

Name	Description
QuizQuestionEntityForm	Quiz question authoring form.