class TrueFalseResponse in Quiz 6.3

Hierarchy

• class \AbstractQuizQuestionResponse implements QuizQuestionResponse
  • class \TrueFalseResponse

1 string reference to 'TrueFalseResponse'

quiz_question_quiz_question_info in question_types/quiz_question/quiz_question.module

Implementation of hook_quiz_question_info().

File

question_types/quiz_question/quiz_question.truefalse.inc, line 150

Defines the classes necessary for a True/False quiz.

class TrueFalseResponse extends AbstractQuizQuestionResponse {
  public function __construct($rid, $question, $answer = NULL) {
    $this->rid = $rid;
    $this->question = $question;
    if (!isset($answer)) {
      $r = $this
        ->getCorrectAnswer();
      if (!empty($r)) {
        $this->answer = $r->answer;
        $this->score = $r->score;
      }
    }
    else {
      $this->answer = $answer;
    }
  }
  public function save() {
    $sql = "INSERT INTO {quiz_truefalse_user_answers} (question_nid, question_vid, result_id, answer, score) VALUES (%d, %d, %d, %d, %d)";
    db_query($sql, $this->question->nid, $this->question->vid, $this->rid, (int) $this->answer, (int) $this->score);
  }
  public function delete() {
    $sql = "DELETE FROM {quiz_truefalse_user_answers} WHERE question_nid = %d AND question_vid = %d AND result_id = %d";
    db_query($sql, $this->question->nid, $this->question->vid, $this->rid);
  }
  public function score() {
    $tfQuestion = new TrueFalseQuestion($this->question);
    $this->score = $this
      ->getResponse() == $tfQuestion
      ->getCorrectAnswer() ? 1 : 0;
    return $this->score;
  }
  public function getResponse() {
    if (!isset($this->answer)) {
      $correct_answer = $this
        ->getCorrectAnswer();
      $this->answer = $correct_answer->answer;
    }
    return $this->answer;
  }
  public function getCorrectAnswer() {
    $sql = "SELECT answer, score FROM {quiz_truefalse_user_answers} WHERE question_vid = %d AND result_id = %d";
    return db_fetch_object(db_query($sql, $this->question->vid, $this->rid));
  }
  public function formatReport($showpoints = TRUE, $showfeedback = TRUE) {

    // Build the question answers header (add blank space for IE).
    if ($showpoints) {
      $innerheader[] = t('Correct Answer');
    }
    $innerheader[] = t('User Answer');
    if ($showfeedback) {
      $innerheader[] = ' ';
    }
    if (empty($this->question->answers)) {
      return t('Missing question.');
    }
    $answer = $this->question->answers[0];
    $correct_answer = $answer['is_correct'] ? $answer['answer'] : !$answer['answer'];
    $user_answer = $answer['answer'];
    if ($showpoints) {
      $rows[0][] = $correct_answer ? t('True') : t('False');
    }
    $rows[0][] = $user_answer ? t('True') : t('False');
    if ($showfeedback && !empty($this->question->feedback)) {
      $rows[0][] = $this->question->feedback;
    }

    // Add the cell with the question and the answers.
    $q_output = '<div class="quiz_summary_question"><span class="quiz_question_bullet">' . t('Q:') . '</span> ' . check_markup($this->question->body, $this->question->format) . '</div>';
    $q_output .= theme('table', $innerheader, $rows) . '<br />';
    return $q_output;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AbstractQuizQuestionResponse::$answer	protected	property
AbstractQuizQuestionResponse::$evaluated	protected	property
AbstractQuizQuestionResponse::$is_correct	public	property
AbstractQuizQuestionResponse::$question	protected	property
AbstractQuizQuestionResponse::$rid	public	property
AbstractQuizQuestionResponse::$score	public	property
AbstractQuizQuestionResponse::getReport	public	function	Get data suitable for reporting a user's score on the question. This expects an object with the following attributes: Overrides QuizQuestionResponse::getReport
AbstractQuizQuestionResponse::getScore		function	Get the integer score. Overrides QuizQuestionResponse::getScore
AbstractQuizQuestionResponse::isCorrect		function	Check to see if the answer is marked as correct. Overrides QuizQuestionResponse::isCorrect	3
AbstractQuizQuestionResponse::isEvaluated	public	function	Indicate whether the response has been evaluated (scored) yet. Questions that require human scoring (e.g. essays) may need to manually toggle this. Overrides QuizQuestionResponse::isEvaluated
AbstractQuizQuestionResponse::toBareObject		function	Repesent the response as a stdClass object. Overrides QuizQuestionResponse::toBareObject
TrueFalseResponse::delete	public	function	Delete the response. Overrides QuizQuestionResponse::delete
TrueFalseResponse::formatReport	public	function	Return an HTML marked-up report for displaying the results of this question. Overrides QuizQuestionResponse::formatReport
TrueFalseResponse::getCorrectAnswer	public	function
TrueFalseResponse::getResponse	public	function	Get the user's response. Overrides QuizQuestionResponse::getResponse
TrueFalseResponse::save	public	function	Save the current response. Overrides QuizQuestionResponse::save
TrueFalseResponse::score	public	function	Calculate the score for the response. This MUST set the $score instance variable. Overrides QuizQuestionResponse::score
TrueFalseResponse::__construct	public	function	Create a new user response. Overrides QuizQuestionResponse::__construct