long_answer.classes.inc in Quiz 7.5
Same filename and directory in other branches
- 6.6 question_types/long_answer/long_answer.classes.inc
- 6.3 question_types/long_answer/long_answer.classes.inc
- 6.4 question_types/long_answer/long_answer.classes.inc
- 6.5 question_types/long_answer/long_answer.classes.inc
- 7.6 question_types/long_answer/long_answer.classes.inc
- 7 question_types/long_answer/long_answer.classes.inc
- 7.4 question_types/long_answer/long_answer.classes.inc
Long answer classes.
This module uses the question interface to define the long_answer question type.
File
question_types/long_answer/long_answer.classes.incView source
<?php
/**
* @file
* Long answer classes.
*
* This module uses the question interface to define the long_answer question
* type.
*/
/**
* Extension of QuizQuestion.
*/
class LongAnswerQuestion extends QuizQuestion {
/**
* Implementation of saveNodeProperties().
*
* @see QuizQuestion::saveNodeProperties()
*/
public function saveNodeProperties($is_new = FALSE) {
db_merge('quiz_long_answer_node_properties')
->key(array(
'nid' => $this->node->nid,
'vid' => $this->node->vid,
))
->fields(array(
'nid' => $this->node->nid,
'vid' => $this->node->vid,
'rubric' => $this->node->rubric['value'],
'rubric_format' => $this->node->rubric['format'],
'answer_text_processing' => $this->node->answer_text_processing,
))
->execute();
}
/**
* Implementation of validateNode().
*
* @see QuizQuestion::validateNode()
*/
public function validateNode(array &$form) {
}
/**
* Implementation of delete().
*
* @see QuizQuestion::delete()
*/
public function delete($only_this_version = FALSE) {
$delete_node = db_delete('quiz_long_answer_node_properties');
$delete_node
->condition('nid', $this->node->nid);
if ($only_this_version) {
$delete_node
->condition('vid', $this->node->vid);
}
$delete_node
->execute();
parent::delete($only_this_version);
}
/**
* Implementation of getNodeProperties().
*
* @see QuizQuestion::getNodeProperties()
*/
public function getNodeProperties() {
if (isset($this->nodeProperties)) {
return $this->nodeProperties;
}
$props = parent::getNodeProperties();
$res_a = db_query('SELECT rubric as value, rubric_format as format, answer_text_processing FROM {quiz_long_answer_node_properties}
WHERE nid = :nid AND vid = :vid', array(
':nid' => $this->node->nid,
':vid' => $this->node->vid,
))
->fetchAssoc();
if (is_array($res_a)) {
$props['rubric'] = array(
'value' => $res_a['value'],
'format' => $res_a['format'],
);
$props['answer_text_processing'] = $res_a['answer_text_processing'];
}
$this->nodeProperties = $props;
return $props;
}
/**
* Implementation of getNodeView().
*
* @see QuizQuestion::getNodeView()
*/
public function getNodeView() {
$content = parent::getNodeView();
if ($this
->viewCanRevealCorrect()) {
$content['answers'] = array(
'#type' => 'item',
'#title' => t('Rubric'),
'#markup' => '<div class="quiz-solution">' . check_markup($this->node->rubric['value'], $this->node->rubric['format']) . '</div>',
'#weight' => 1,
);
}
else {
$content['answers'] = array(
'#markup' => '<div class="quiz-answer-hidden">Answer hidden</div>',
'#weight' => 1,
);
}
return $content;
}
/**
* Implementation of getAnsweringForm().
*
* @see QuizQuestion::getAnsweringForm()
*/
public function getAnsweringForm(array $form_state = NULL, $result_id) {
$element = parent::getAnsweringForm($form_state, $result_id);
$element += array(
'#title' => t('Answer'),
'#description' => t('Enter your answer here. If you need more space, click on the grey bar at the bottom of this area and drag it down.'),
'#rows' => 15,
'#cols' => 60,
);
if ($this->node->answer_text_processing) {
$element['#type'] = 'text_format';
}
else {
$element['#type'] = 'textarea';
}
if (isset($result_id)) {
if ($response = _quiz_question_response_get_instance($result_id, $this->node)) {
if ($user_response = $response
->getResponse()) {
$element['#default_value'] = $user_response;
$element['#format'] = $response->answer_format;
}
}
}
return $element;
}
/**
* Question response validator.
*/
public function getAnsweringFormValidate(array &$element, &$value) {
if ($value == '') {
form_error($element, t('You must provide an answer.'));
}
}
/**
* Implementation of getCreationForm().
*
* @see QuizQuestion::getCreationForm()
*/
public function getCreationForm(array &$form_state = NULL) {
$form = array();
$form['rubric'] = array(
'#type' => 'text_format',
'#title' => t('Rubric'),
'#description' => t('Specify the criteria for grading the response.'),
'#default_value' => isset($this->node->rubric['value']) ? $this->node->rubric['value'] : '',
'#format' => isset($this->node->rubric['format']) ? $this->node->rubric['format'] : filter_default_format(),
'#size' => 60,
'#required' => FALSE,
);
$form['answer_text_processing'] = array(
'#title' => t('Answer text processing'),
'#description' => t('Allowing filtered text may enable the user to input HTML tags in their answer.'),
'#type' => 'radios',
'#options' => array(
0 => t('Plain text'),
1 => t('Filtered text (user selects text format)'),
),
'#default_value' => isset($this->node->answer_text_processing) ? $this->node->answer_text_processing : 0,
);
return $form;
}
/**
* Implementation of getMaximumScore().
*
* @see QuizQuestion::getMaximumScore()
*/
public function getMaximumScore() {
return variable_get('long_answer_default_max_score', 10);
}
}
/**
* Extension of QuizQuestionResponse.
*/
class LongAnswerResponse extends QuizQuestionResponse {
/**
* ID of the answer.
*/
protected $answer_id = 0;
private $answer_feedback;
private $answer_feedback_format;
/**
* Constructor.
*
* @param int $result_id
* The result ID for the user's result set. There is one result ID per time
* the user takes a quiz.
* @param stdClass $question_node
* The question node.
* @param mixed $answer
* The answer (dependent on question type).
*/
public function __construct($result_id, stdClass $question_node, $answer = NULL) {
parent::__construct($result_id, $question_node, $answer);
if (!isset($answer)) {
// Question has been answered already. We fetch the answer data from the
// database.
$r = db_query('SELECT *
FROM {quiz_long_answer_user_answers}
WHERE result_answer_id = :raid', array(
':raid' => $this->result_answer_id,
))
->fetch();
if (!empty($r)) {
$this->answer = $r->answer;
$this->answer_format = $r->answer_format;
$this->score = $r->score;
$this->evaluated = $r->is_evaluated;
$this->answer_id = $r->answer_id;
$this->answer_feedback = $r->answer_feedback;
$this->answer_feedback_format = $r->answer_feedback_format;
}
}
else {
$this->answer = $answer;
$this->evaluated = FALSE;
}
}
/**
* Implementation of save().
*
* @see QuizQuestionResponse::save()
*/
public function save() {
if (!$this->quizQuestion->node->answer_text_processing) {
$answer = $this->answer;
$this->answer = array();
$this->answer['value'] = $answer;
$this->answer['format'] = 'plain_text';
}
db_merge('quiz_long_answer_user_answers')
->key(array(
'result_answer_id' => $this->result_answer_id,
))
->fields(array(
'answer' => $this->answer['value'],
'answer_format' => $this->answer['format'],
'result_answer_id' => $this->result_answer_id,
))
->execute();
}
/**
* Implementation of delete().
*
* @see QuizQuestionResponse::delete()
*/
public function delete() {
db_delete('quiz_long_answer_user_answers')
->condition('result_answer_id', $this->result_answer_id)
->execute();
}
/**
* Implementation of score().
*
* @see QuizQuestionResponse::score()
*/
public function score() {
return (int) db_query('SELECT score FROM {quiz_long_answer_user_answers}
WHERE result_answer_id = :raid', array(
':raid' => $this->result_answer_id,
))
->fetchField();
}
/**
* Implementation of getResponse().
*
* @see QuizQuestionResponse::getResponse()
*/
public function getResponse() {
return $this->answer;
}
/**
* Implementation of getFeedbackValues().
*
* @see QuizQuestionResponse::getFeedbackValues()
*/
public function getFeedbackValues() {
$data = array();
$score = $this
->score();
$max = $this
->getMaxScore(FALSE);
if ($this->evaluated) {
// Question has been graded.
if ($score == 0) {
$icon = quiz_icon('incorrect');
}
if ($score > 0) {
$icon = quiz_icon('almost');
}
if ($score == $max) {
$icon = quiz_icon('correct');
}
}
else {
$icon = quiz_icon('unknown');
}
$data[] = array(
// Hide this column. Does not make sense for long answer as there are no
// choices.
'choice' => NULL,
'attempt' => check_markup($this->answer, $this->answer_format),
'correct' => $icon,
'score' => !$this->evaluated ? t('This answer has not yet been scored.') : $this
->getScore(),
'answer_feedback' => check_markup($this->answer_feedback, $this->answer_feedback_format),
'solution' => check_markup($this->question->rubric['value'], $this->question->rubric['format']),
);
return $data;
}
/**
* Implementation of getReportFormAnswerFeedback().
*
* @see QuizQuestionResponse::getReportFormAnswerFeedback()
*/
public function getReportFormAnswerFeedback() {
return array(
'#title' => t('Enter feedback'),
'#type' => 'text_format',
'#default_value' => isset($this->answer_feedback) ? check_markup($this->answer_feedback, $this->answer_feedback_format) : '',
'#format' => isset($this->answer_feedback_format) ? $this->answer_feedback_format : filter_default_format(),
'#attributes' => array(
'class' => array(
'quiz-report-score',
),
),
);
}
/**
* Implementation of getReportFormSubmit().
*
* @see QuizQuestionResponse::getReportFormSubmit()
*/
public function getReportFormSubmit() {
return 'long_answer_report_submit';
}
}
Classes
Name | Description |
---|---|
LongAnswerQuestion | Extension of QuizQuestion. |
LongAnswerResponse | Extension of QuizQuestionResponse. |