choice.classes.inc in Quiz 6.6
The main classes for the choice question type.
These inherit or implement code found in quiz_question.classes.inc.
Sponsored by: Norwegian Centre for Telemedicine Code: falcon
Based on: Other question types in the quiz framework.
Question type, enabling the creation of multiple choice and multiple answer questions.
File
question_types/choice/choice.classes.incView source
<?php
/**
* The main classes for the choice question type.
*
* These inherit or implement code found in quiz_question.classes.inc.
*
* Sponsored by: Norwegian Centre for Telemedicine
* Code: falcon
*
* Based on:
* Other question types in the quiz framework.
*
*
*
* @file
* Question type, enabling the creation of multiple choice and multiple answer questions.
*/
/*
* @todo: Be able to have max score in quizes.
*
* @todo: Make a simplified alternative way to view the creation form?
*
* TODO: Convert to multichoice
*/
/**
* Implementation of QuizQuestion.
*/
class ChoiceQuestion implements QuizQuestion {
/**
* The current node for this question.
*/
protected $node = NULL;
/**
* Constructor
*
* @param $node - the node object
*/
public function __construct($node) {
$this->node = $node;
}
private function forgive() {
if ($this->node->choice_multi == 1) {
for ($i = 0; is_array($this->node->alternatives[$i]); $i++) {
$short =& $this->node->alternatives[$i];
if ($short['score_if_chosen'] == $short['score_if_not_chosen'] || !is_numeric($short['score_if_chosen'] || !is_numeric($short['score_if_not_chosen']))) {
if ($short['correct'] == 1) {
$short['score_if_chosen'] = 1;
$short['score_if_not_chosen'] = 0;
}
else {
$short['score_if_chosen'] = 0;
$short['score_if_not_chosen'] = 1;
}
}
}
}
else {
for ($i = 0; is_array($this->node->alternatives[$i]); $i++) {
$short = $this->node->alternatives[$i];
$short['score_if_chosen'] = $short['correct'];
$short['score_if_not_chosen'] = 0;
}
}
}
/**
* Implementation of save
*
* Stores the question in the database.
*
* @param is_new if - if the node is a new node...
* (non-PHPdoc)
* @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#save()
*/
public function save($is_new = FALSE) {
$is_new_node = $is_new || $this->node->revision == 1;
$this
->forgive();
if ($is_new_node) {
$sql = 'INSERT INTO {quiz_choice_properties}
(nid, vid, choice_multi, choice_random, choice_boolean)
VALUES (%d, %d, %d, %d, %d)';
db_query($sql, $this->node->nid, $this->node->vid, $this->node->choice_multi, $this->node->choice_random, $this->node->choice_boolean);
for ($i = 0; is_array($this->node->alternatives[$i]); $i++) {
if (strlen(strip_tags($this->node->alternatives[$i]['answer'])) > 0) {
$this
->insertAlternative($i);
}
}
}
else {
$sql = 'UPDATE {quiz_choice_properties}
SET choice_multi = %d, choice_random = %d, choice_boolean = %d
WHERE nid = %d AND vid = %d';
db_query($sql, $this->node->choice_multi, $this->node->choice_random, $this->node->choice_boolean, $this->node->nid, $this->node->vid);
$sql = 'SELECT id FROM {quiz_choice_answer}
WHERE question_nid = %d AND question_vid = %d';
$res = db_query($sql, $this->node->nid, $this->node->vid);
$ids_to_delete = array();
while ($res_o = db_fetch_object($res)) {
$ids_to_delete[] = $res_o->id;
}
for ($i = 0; is_array($this->node->alternatives[$i]); $i++) {
$short = $this->node->alternatives[$i];
if (strlen(strip_tags($short['answer'])) > 0) {
if (!is_numeric($short['id'])) {
$this
->insertAlternative($i);
}
else {
$this
->updateAlternative($i);
$key = array_search($short['id'], $ids_to_delete);
$ids_to_delete[$key] = FALSE;
}
}
}
foreach ($ids_to_delete as $id_to_delete) {
if ($id_to_delete) {
db_query('DELETE FROM {quiz_choice_answer} WHERE id = %d', $id_to_delete);
}
}
}
$this
->saveUserSettings();
}
private function insertAlternative($i) {
$sql = 'INSERT INTO {quiz_choice_answer}
(answer, answer_format, feedback_if_chosen, feedback_if_chosen_format,
feedback_if_not_chosen, feedback_if_not_chosen_format, score_if_chosen,
score_if_not_chosen, question_nid, question_vid)
VALUES(\'%s\', %d, \'%s\', %d, \'%s\', %d, %d, %d, %d, %d)';
$short = $this->node->alternatives[$i];
db_query($sql, $short['answer'], $short['answer_format'], $short['feedback_if_chosen'], $short['feedback_if_chosen_format'], $short['feedback_if_not_chosen'], $short['feedback_if_not_chosen_format'], $short['score_if_chosen'], $short['score_if_not_chosen'], $this->node->nid, $this->node->vid);
}
private function updateAlternative($i) {
$sql = 'UPDATE {quiz_choice_answer}
SET answer = \'%s\', answer_format = %d, feedback_if_chosen = \'%s\',
feedback_if_chosen_format = %d, feedback_if_not_chosen = \'%s\',
feedback_if_not_chosen_format = %d, score_if_chosen = %d, score_if_not_chosen = %d
WHERE id = %d AND question_nid = %d AND question_vid = %d';
$short = $this->node->alternatives[$i];
db_query($sql, $short['answer'], $short['answer_format'], $short['feedback_if_chosen'], $short['feedback_if_chosen_format'], $short['feedback_if_not_chosen'], $short['feedback_if_not_chosen_format'], $short['score_if_chosen'], $short['score_if_not_chosen'], $short['id'], $this->node->nid, $this->node->vid);
}
/**
* Implementation of validate
*
* (non-PHPdoc)
* @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#validate()
*/
public function validate($node, &$form) {
if ($node->choice_multi == 0) {
$found_one_correct = FALSE;
for ($i = 0; is_array($this->node->alternatives[$i]); $i++) {
$short = $this->node->alternatives[$i];
if (strlen(strip_tags($short['answer'])) < 1) {
continue;
}
if ($short['correct'] == 1) {
if ($found_one_correct) {
form_set_error("choice_multi", t('You have several alternatives marked as correct. If this is done intentionally you must must allow multiple alternatives to be correct.'));
}
else {
$found_one_correct = TRUE;
}
}
}
if (!$found_one_correct) {
form_set_error('choice_multi', t('You have not marked any alternatives as correct. If there are no correct alternatives you should allow multiple answers.'));
}
}
else {
for ($i = 0; is_array($this->node->alternatives[$i]); $i++) {
$short = $this->node->alternatives[$i];
if (strlen(strip_tags($short['answer'])) < 1) {
continue;
}
if ($short['score_if_chosen'] < $short['score_if_not_chosen'] && $short['correct']) {
form_set_error("alternatives][{$i}][score_if_not_chosen", t('The alternative is marked as correct, but gives more points if you don\'t select it.'));
}
elseif ($short['score_if_chosen'] > $short['score_if_not_chosen'] && !$short['correct']) {
form_set_error("alternatives][{$i}][score_if_chosen", t('The alternative is not marked as correct, but gives more points if you select it.'));
}
}
}
}
/**
* Implementation of delete
*
* (non-PHPdoc)
* @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#delete()
*/
public function delete($only_this_version = FALSE) {
if ($only_this_version) {
db_query('DELETE FROM {quiz_choice_properties} WHERE nid = %d AND vid = %d', $this->node->nid, $this->node->vid);
$sql = 'DELETE FROM {quiz_choice_user_answers}
WHERE result_id IN(
SELECT result_id
FROM {quiz_node_results}
WHERE nid = %d AND vid = %d
)';
db_query($sql, $this->node->nid, $this->node->vid);
}
else {
db_query('DELETE FROM {quiz_choice_properties} WHERE nid = %d', $this->node->nid);
$sql = 'DELETE FROM {quiz_choice_user_answers}
WHERE result_id IN(
SELECT result_id
FROM {quiz_node_results}
WHERE nid = %d
)';
db_query($sql, $this->node->nid);
}
}
/**
* Implementation of load
*
* (non-PHPdoc)
* @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#load()
*/
public function load() {
$sql = 'SELECT choice_multi, choice_random, choice_boolean
FROM {quiz_choice_properties}
WHERE nid = %d AND vid = %d';
$res = db_query($sql, $this->node->nid, $this->node->vid);
$to_return = db_fetch_array($res);
$sql = 'SELECT id, answer, answer_format, feedback_if_chosen, feedback_if_chosen_format,
feedback_if_not_chosen, feedback_if_not_chosen_format, score_if_chosen, score_if_not_chosen
FROM {quiz_choice_answer}
WHERE question_nid = %d AND question_vid = %d';
$res = db_query($sql, $this->node->nid, $this->node->vid);
$counter = 0;
while ($res_arr = db_fetch_array($res)) {
$to_return['alternatives'][$counter] = $res_arr;
$counter++;
}
return $to_return;
}
/**
* Implementation of view
*
* (non-PHPdoc)
* @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#view()
*/
public function view() {
return $this
->getQuestionForm($this->node);
}
/**
* Generates the question form.
*
* This is called whenever a question is rendered, either
* to an administrator or to a quiz taker.
*/
public function getQuestionForm($node, $context = NULL) {
$form['question'] = array(
'#type' => 'markup',
'#value' => check_markup($node->body, $node->format, FALSE),
);
$form['tries[answer]'] = array(
'#options' => array(),
'#theme' => 'choice_alternative',
);
$form['tries[answer]']['#taking_quiz'] = _quiz_is_taking_context();
$form['tries[answer]']['#correct_choice'] = array();
for ($i = 0; is_array($node->alternatives[$i]); $i++) {
$short = $node->alternatives[$i];
if (drupal_strlen(strip_tags($short['answer'])) > 0) {
$markup = check_markup($short['answer'], $short['answer_format']);
if (!$form['tries[answer]']['#taking_quiz']) {
// displaying outside a quiz-taking context
$is_correct = $short['score_if_chosen'] > $short['score_if_not_chosen'];
$form['tries[answer]']['#correct_choice'][$short['id']] = $is_correct;
}
$form['tries[answer]']['#options'][$short['id']] = $markup;
}
}
if ($node->choice_random) {
$form['tries[choice_order]'] = array(
'#type' => 'hidden',
'#value' => implode(',', $this
->shuffle($form['tries[answer]']['#options'])),
);
}
if ($node->choice_multi) {
$form['tries[answer]']['#type'] = 'checkboxes';
$form['tries[answer]']['#title'] = t('Choose');
}
else {
$form['tries[answer]']['#type'] = 'radios';
$form['tries[answer]']['#title'] = t('Choose one');
}
if (!$form['tries[answer]']['#taking_quiz']) {
unset($form['tries[answer]']['#title']);
$form['tries[answer]']['#disabled'] = TRUE;
}
return $form;
}
private function shuffle(&$array) {
$newArray = array();
$toReturn = array_keys($array);
shuffle($toReturn);
foreach ($toReturn as $key) {
$newArray[$key] = $array[$key];
}
$array = $newArray;
return $toReturn;
}
/**
* Implementation of getAdminForm
*
* (non-PHPdoc)
* @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#getAdminForm()
*/
public function getAdminForm($edit = NULL) {
$form['choice_max_num_of_alts'] = array(
'#type' => 'textfield',
'#title' => t('Maximum number of alternatives allowed'),
'#default_value' => variable_get('choice_max_num_of_alts', 2),
);
return system_settings_form($form);
}
/**
* Implementation of getCreation form
*
* (non-PHPdoc)
* @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#getCreationForm()
*/
public function getCreationForm($form_state) {
$form = array();
$type = node_get_types('type', $this->node);
$action = '/node/add/' . $type->type;
if ($node->nid) {
$action = '/node/' . $this->node->nid . '/edit';
}
$form['#action'] = "?q={$action}";
/*
* Getting presets from the database
*/
$form['#theme'][] = 'choice_creation_form';
$form['alternatives'] = array(
'#type' => 'fieldset',
'#title' => t('Alternatives'),
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#tree' => TRUE,
);
$form['alternatives']['settings'] = array(
'#type' => 'fieldset',
'#title' => t('Settings'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$default_settings = $this
->getDefaultAltSettings();
$form['alternatives']['settings']['choice_multi'] = array(
'#type' => 'checkbox',
'#title' => t('Multiple answers'),
'#description' => t('Allow any number of answers. If this box is not checked, one, and only one answer is allowed.'),
'#default_value' => $default_settings['choice_multi'],
'#parents' => array(
'choice_multi',
),
);
$form['alternatives']['settings']['choice_random'] = array(
'#type' => 'checkbox',
'#title' => t('Random order'),
'#description' => t('Present alternatives in random order when quiz is beeing taken.'),
'#default_value' => $default_settings['choice_random'],
'#parents' => array(
'choice_random',
),
);
$form['alternatives']['settings']['choice_boolean'] = array(
'#type' => 'checkbox',
'#title' => t('Simple scoring'),
'#description' => t('Give one point if everything is correct. Zero points otherwise.'),
'#default_value' => $default_settings['choice_boolean'],
'#parents' => array(
'choice_boolean',
),
);
$form['alternatives']['settings']['desc'] = array(
'#type' => 'markup',
'#value' => t('Your settings will be remembered.'),
);
$form['alternatives']['#theme'][] = 'choice_creation_form';
$i = 0;
if (isset($form_state['choice_count'])) {
$choice_count = $form_state['choice_count'];
}
else {
$choice_count = max(variable_get('choice_max_num_of_alts', 2), is_array($this->node->alternatives) ? count($this->node->alternatives) : 0);
}
for (; $i < $choice_count; $i++) {
$short = $this->node->alternatives[$i];
$form['alternatives'][$i] = array(
'#type' => 'fieldset',
'#title' => t('Alternative !i', array(
'!i' => $i + 1,
)),
'#collapsible' => TRUE,
'#collapsed' => !($i < 2 || isset($short['answer'])),
);
$form['alternatives'][$i]['#theme'][] = 'choice_alternative_creation';
$form['alternatives'][$i]['correct'] = array(
'#type' => 'checkbox',
'#title' => t('Correct'),
'#default_value' => $short['score_if_chosen'] > $short['score_if_not_chosen'],
'#attributes' => array(
'onchange' => 'refreshScores(this)',
),
);
$form['alternatives'][$i]['id'] = array(
'#type' => 'value',
'#value' => $short['id'],
);
$form['alternatives'][$i]["answer"] = array(
'#type' => 'textarea',
'#title' => t('Alternative !i', array(
'!i' => $i + 1,
)),
'#default_value' => $short['answer'],
'#required' => $i < 2,
);
$form['alternatives'][$i]['format'] = filter_form($short['answer_format'], NULL, array(
'alternatives',
$i,
'answer_format',
));
$form['alternatives'][$i]['advanced'] = array(
'#type' => 'fieldset',
'#title' => t('Advanced options'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['alternatives'][$i]['advanced']['feedback_if_chosen'] = array(
'#type' => 'textarea',
'#title' => t('Feedback if chosen'),
'#description' => t('This feedback is given to users who chooses this alternative.'),
'#parents' => array(
'alternatives',
$i,
'feedback_if_chosen',
),
'#default_value' => $short['feedback_if_chosen'],
);
$form['alternatives'][$i]['advanced']['format'] = filter_form($short['feedback_if_chosen_format'], NULL, array(
'alternatives',
$i,
'feedback_if_chosen_format',
));
$form['alternatives'][$i]['advanced']['helper']['feedback_if_not_chosen'] = array(
'#type' => 'textarea',
'#title' => t('Feedback if not chosen'),
'#description' => t('This feedback is given to users who doesn\'t choose this alternative.'),
'#parents' => array(
'alternatives',
$i,
'feedback_if_not_chosen',
),
'#default_value' => $short['feedback_if_not_chosen'],
);
$form['alternatives'][$i]['advanced']['helper']['format'] = filter_form($short['feedback_if_not_chosen_format'], NULL, array(
'alternatives',
$i,
'feedback_if_not_chosen_format',
));
$default_value = $this->node->alternatives[$i]['score_if_chosen'];
if (!isset($default_value)) {
$default_value = '0';
}
$form['alternatives'][$i]['advanced']['score_if_chosen'] = array(
'#type' => 'textfield',
'#title' => t('Score if chosen'),
'#size' => 4,
'#maxlength' => 4,
'#default_value' => $default_value,
'#description' => t('This score is added to the users total score if the user chooses this alternative. Only used if multiple answers are allowed.'),
'#attributes' => array(
'onkeypress' => 'refreshCorrect(this)',
'onkeyup' => 'refreshCorrect(this)',
'onchange' => 'refreshCorrect(this)',
),
'#parents' => array(
'alternatives',
$i,
'score_if_chosen',
),
);
$default_value = $short['score_if_not_chosen'];
if (!isset($default_value)) {
$default_value = '0';
}
$form['alternatives'][$i]['advanced']['score_if_not_chosen'] = array(
'#type' => 'textfield',
'#title' => t('Score if not chosen'),
'#size' => 4,
'#maxlength' => 4,
'#default_value' => $default_value,
'#description' => t('This score is added to the users total score if the user doesn\'t choose this alternative. Only used if multiple answers are allowed.'),
'#attributes' => array(
'onkeypress' => 'refreshCorrect(this)',
'onkeyup' => 'refreshCorrect(this)',
'onchange' => 'refreshCorrect(this)',
),
'#parents' => array(
'alternatives',
$i,
'score_if_not_chosen',
),
);
}
$form['alternatives']["placeholder"] = array(
'#type' => 'markup',
'#value' => '<DIV id=\'placeholder\'></DIV>',
);
$form['alternatives']['choice_add_alternative'] = array(
'#type' => 'submit',
'#value' => t('Add more alternatives'),
'#submit' => array(
'choice_more_choices_submit',
),
// If no javascript action.
'#ahah' => array(
'path' => "choice/add_alternative_js",
'wrapper' => 'placeholder',
'effect' => 'slide',
'method' => 'before',
),
);
return $form;
}
private function getDefaultAltSettings() {
$to_return = array();
if (isset($this->node->nid)) {
$to_return['choice_multi'] = $this->node->choice_multi;
$to_return['choice_random'] = $this->node->choice_random;
$to_return['choice_boolean'] = $this->node->choice_boolean;
}
elseif ($to_return = $this
->getUserSettings()) {
}
else {
$to_return['choice_multi'] = 0;
$to_return['choice_random'] = 0;
$to_return['choice_boolean'] = 0;
}
return $to_return;
}
private function getUserSettings() {
global $user;
$sql = 'SELECT last_nid, last_vid
FROM {quiz_choice_user_settings}
WHERE uid = %d';
$res = db_query($sql, $user->uid);
if ($obj = db_fetch_object($res)) {
$sql = 'SELECT choice_multi, choice_random, choice_boolean
FROM {quiz_choice_properties}
WHERE nid = %d AND vid = %d';
$res = db_query($sql, $obj->last_nid, $obj->last_vid);
if ($arr = db_fetch_array($res)) {
return $arr;
}
else {
return false;
}
}
else {
return false;
}
}
private function saveUserSettings() {
global $user;
$sql = 'REPLACE INTO {quiz_choice_user_settings}
(uid, last_nid, last_vid)
VALUES (%d, %d, %d)';
db_query($sql, $user->uid, $this->node->nid, $this->node->vid);
}
/**
* Implementation of getMaximumScore.
*
* (non-PHPdoc)
* @see sites/all/modules/quiz-DRUPAL-6--4/question_types/quiz_question/QuizQuestion#getMaximumScore()
*/
public function getMaximumScore() {
if ($this->node->choice_boolean) {
return 1;
}
$max = 0;
for ($i = 0; is_array($this->node->alternatives[$i]); $i++) {
$short = $this->node->alternatives[$i];
$max += max($short['score_if_chosen'], $short['score_if_not_chosen']);
}
return $max;
}
}
/**
* The short answer question response class.
*/
class ChoiceResponse extends AbstractQuizQuestionResponse {
/**
* ID of the answers.
*/
protected $user_answer_ids;
protected $choice_order;
/**
* Constructor
*
* @param $rid - response_id
* @param $question - as an object
* @param $answer - answer_id
*/
public function __construct($rid, $question, $tries = NULL) {
$this->rid = $rid;
$this->question = $question;
$this->user_answer_ids = array();
$this->choice_order = $tries['choice_order'];
unset($tries['choice_order']);
if (is_array($tries['answer'])) {
foreach ($tries['answer'] as $answer_id) {
$this->user_answer_ids[] = $answer_id;
}
}
elseif (isset($tries['answer'])) {
$this->user_answer_ids[] = $tries['answer'];
}
else {
$sql = 'SELECT answer_id
FROM {quiz_choice_user_answer_multi} uam
JOIN {quiz_choice_user_answers} ua ON(uam.user_answer_id = ua.id)
WHERE ua.result_id = %d AND ua.nid = %d AND ua.vid = %d';
$res = db_query($sql, $rid, $this->question->nid, $this->question->vid);
while ($res_o = db_fetch_object($res)) {
$this->user_answer_ids[] = $res_o->answer_id;
}
}
}
/**
* Implementation of save
*/
public function save() {
$sql = "INSERT INTO {quiz_choice_user_answers}\n (result_id, vid, nid, choice_order)\n VALUES (%d, %d, %d, '%s')";
db_query($sql, $this->rid, $this->question->vid, $this->question->nid, $this->choice_order);
$user_answer_id = db_last_insert_id('{quiz_choice_user_answers}', 'id');
for ($i = 0; $i < count($this->user_answer_ids); $i++) {
$sql = 'INSERT INTO {quiz_choice_user_answer_multi}
(user_answer_id, answer_id)
VALUES(%d, %d)';
db_query($sql, $user_answer_id, $this->user_answer_ids[$i]);
}
}
/**
* Implementation of delete
*/
public function delete() {
$sql = 'DELETE FROM {quiz_choice_user_answer_multi}
WHERE user_answer_id IN(
SELECT id FROM {quiz_choice_user_answers}
WHERE nid = %d AND vid = %d AND result_id = %d
)';
db_query($sql, $this->nid, $this->question->vid, $this->question->rid);
$sql = 'DELETE FROM {quiz_choice_user_answers}
WHERE result_id = %d AND nid = %d AND vid = %d';
db_query($sql, $this->rid, $this->question->nid, $this->question->vid);
}
/**
* Implementation of score
*
* @return uint
*/
public function score() {
if ($this->question->choice_boolean) {
$score = 1;
foreach ($this->question->alternatives as $key => $alt) {
if (in_array($alt['id'], $this->user_answer_ids)) {
if ($alt['score_if_chosen'] < $alt['score_if_not_chosen']) {
$score = 0;
}
}
else {
if ($alt['score_if_chosen'] > $alt['score_if_not_chosen']) {
$score = 0;
}
}
}
}
else {
$score = 0;
foreach ($this->question->alternatives as $key => $alt) {
if (in_array($alt['id'], $this->user_answer_ids)) {
$score += $alt['score_if_chosen'];
}
else {
$score += $alt['score_if_not_chosen'];
}
}
}
return $score;
}
/**
* Implementation of getResponse
*
* @return answer
*/
public function getResponse() {
return $this->user_answer_ids;
}
/**
* Implementation of format report.
*
* @param $showpoints
* @param $showfeedback
* @return report as html
*/
public function formatReport($showpoints = TRUE, $showfeedback = TRUE) {
$slug = '<div class="quiz_summary_question"><span class="quiz_question_bullet">Q:</span> ' . check_markup($this->question->body, $this->question->filter, FALSE) . '</div>';
$result = '<div class="quiz_answer_feedback">';
$result .= '<H4>' . t('Alternatives') . ':</H4>';
$i = 0;
$this
->orderAlternatives($this->question->alternatives);
while (is_array($this->question->alternatives[$i])) {
$short = $this->question->alternatives[$i];
if (drupal_strlen(strip_tags($short['answer'])) > 0) {
$row = array();
$the = $this->question->choice_multi == 1 ? t('a') : t('the');
$p = drupal_get_path('module', 'choice');
$rowspan = 1;
$not = '';
if ($short['score_if_chosen'] > $short['score_if_not_chosen']) {
if (in_array($short['id'], $this->user_answer_ids)) {
if (drupal_strlen(strip_tags($short['feedback_if_chosen'])) > 0) {
$rowspan = 2;
}
$row[] = array(
'data' => theme_image("{$p}./theme/images/correct.png", t('Correct'), t('You chose !the correct answer', array(
'!the' => $the,
)), NULL, FALSE),
'width' => 35,
'rowspan' => $rowspan,
);
}
else {
if (drupal_strlen(strip_tags($short['feedback_if_not_chosen'])) > 0) {
$rowspan = 2;
$not = '_not';
}
$row[] = array(
'data' => theme_image("{$p}./theme/images/should.png", t('Should have chosen'), t('This is !the correct answer, but you didn\'t choose it', array(
'!the' => $the,
)), NULL, FALSE),
'width' => 35,
'rowspan' => $rowspan,
);
}
}
else {
if (in_array($short['id'], $this->user_answer_ids)) {
if (drupal_strlen(strip_tags($short['feedback_if_chosen'])) > 0) {
$rowspan = 2;
}
$row[] = array(
'data' => theme_image("{$p}./theme/images/wrong.png", t('Wrong'), t('You chose !the wrong answer', array(
'!the' => $the,
)), NULL, FALSE),
'width' => 35,
'rowspan' => $rowspan,
);
}
else {
if (drupal_strlen(strip_tags($short['feedback_if_not_chosen'])) > 0) {
$rowspan = 2;
$not = '_not';
}
$row[] = array(
'data' => '',
'width' => 35,
'rowspan' => $rowspan,
);
}
}
$row[] = check_markup($short['answer'], $short['answer_format'], FALSE);
$rows[] = $row;
if ($rowspan > 1) {
$feedback = check_markup($short['feedback_if' . $not . '_chosen'], $short['feedback_if' . $not . '_chosen_format'], FALSE);
$rows[] = array(
"<H5>Feedback:</H5>{$feedback}",
);
}
}
$i++;
}
$result .= theme('table', NULL, $rows);
$result .= '</div>';
return $slug . $result;
}
private function orderAlternatives(&$alternatives) {
if (!$this->question->choice_random) {
return;
}
$sql = "SELECT choice_order\n FROM {quiz_choice_user_answers}\n WHERE result_id = %d AND nid = %d AND vid = %d";
$res = db_query($sql, $this->rid, $this->question->nid, $this->question->vid);
$order = explode(',', db_result($res));
$newAlternatives = array();
foreach ($order as $value) {
foreach ($alternatives as $alternative) {
if ($alternative['id'] == $value) {
$newAlternatives[] = $alternative;
break;
}
}
}
$alternatives = $newAlternatives;
}
}Classes
Name |
Description |
|---|---|
| ChoiceQuestion | Implementation of QuizQuestion. |
| ChoiceResponse | The short answer question response class. |