QuizQuestionFeedbackForm.php in Quiz 6.x

Namespace

Drupal\quiz\Form

File

src/Form/QuizQuestionFeedbackForm.php

<?php

namespace Drupal\quiz\Form;

use Drupal;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Link;
use Drupal\quiz\Util\QuizUtil;

/**
 * Post-question feedback form.
 */
class QuizQuestionFeedbackForm extends FormBase {

  /**
   * Show feedback for a question response.
   */
  function buildForm(array $form, FormStateInterface $form_state) {
    $quiz = $form_state
      ->getBuildInfo()['args'][0];
    $question_number = $form_state
      ->getBuildInfo()['args'][1];
    $quiz_result = QuizUtil::resultOrTemp($quiz);
    $form = [];
    $form['actions']['#type'] = 'actions';
    if (!$quiz_result
      ->get('time_end')
      ->isEmpty()) {

      // Quiz is done.
      $form['actions']['finish'] = [
        '#type' => 'submit',
        '#submit' => [
          '::submitEnd',
        ],
        '#value' => t('Finish'),
      ];
    }
    else {
      $form['actions']['next'] = Link::createFromRoute(t('Next question'), 'quiz.question.take', [
        'quiz' => $quiz
          ->id(),
        'question_number' => $question_number + 1,
      ], [
        'attributes' => [
          'class' => [
            'button',
          ],
        ],
      ])
        ->toRenderable();
    }
    $view_builder = Drupal::entityTypeManager()
      ->getViewBuilder('quiz_result_answer');

    // Add feedback.
    $out = [];
    foreach ($quiz_result
      ->getLayout() as $question) {
      if ($question
        ->get('number')
        ->getString() == $question_number && $question->qqr_pid) {

        // Question is in a page.
        foreach ($quiz_result
          ->getLayout() as $qra) {
          if ($qra->qqr_pid == $question->qqr_pid) {
            $out[] = [
              '#title' => t('Question @num', [
                '@num' => $qra
                  ->get('display_number')
                  ->getString(),
              ]),
              '#type' => 'fieldset',
              'feedback' => $view_builder
                ->view($qra),
            ];
          }
        }
      }
    }

    // Single question.
    if (empty($out)) {
      $qra = $quiz_result
        ->getLayout()[$question_number];
      $feedback = $view_builder
        ->view($qra);
      $out[] = [
        '#title' => t('Question @num', [
          '@num' => $quiz_result
            ->getLayout()[$question_number]
            ->get('display_number')
            ->getString(),
        ]),
        '#type' => 'fieldset',
        'feedback' => $feedback,
      ];
    }
    $form['feedback'] = $out;
    return $form;
  }
  public function getFormId() {
    return 'quiz_take_question_feedback_form';
  }

  /**
   * Submit handler to go to the next question from the question feedback.
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $quiz = $form_state
      ->getBuildInfo()['args'][0];

    /* @var $quiz_session \Drupal\quiz\Services\QuizSessionInterface */
    $quiz_session = \Drupal::service('quiz.session');
    $form_state
      ->setRedirect('quiz.question.take', [
      'quiz' => $quiz
        ->id(),
      'question_number' => $quiz_session
        ->getCurrentQuestion($quiz),
    ]);
  }

  /**
   * Submit handler to go to the quiz results from the last question's feedback.
   */
  function submitEnd($form, &$form_state) {

    /* @var $quiz_session \Drupal\quiz\Services\QuizSessionInterface */
    $quiz_session = \Drupal::service('quiz.session');
    $quiz_result = $quiz_session
      ->getTemporaryResult();
    $quiz = $form_state
      ->getBuildInfo()['args'][0];
    $form_state
      ->setRedirect('entity.quiz_result.canonical', [
      'quiz' => $quiz
        ->id(),
      'quiz_result' => $quiz_result
        ->id(),
    ]);
  }

}

Classes

Name	Description
QuizQuestionFeedbackForm	Post-question feedback form.