function JQ_SeekQuestion()
{
global $JLMS_DB, $my;
$ret_str = '';
$quiz_id = intval(mosGetParam($_REQUEST, 'quiz', 0));
$inside_lp = intval(mosGetParam($_REQUEST, 'inside_lp', 0));
$QA = new JLMS_quiz_API($quiz_id, $inside_lp);
if (!$QA->quiz_valid()) {
return '';
}
$stu_quiz_id = intval(mosGetParam($_REQUEST, 'stu_quiz_id', 0));
$seek_quest_id = intval(mosGetParam($_REQUEST, 'seek_quest_id', 0));
$user_unique_id = strval(mosGetParam($_REQUEST, 'user_unique_id', ''));
$QA->set('stu_quiz_id', $stu_quiz_id);
$QA->set('user_unique_id', $user_unique_id);
$QA->quiz_ProcessStartData();
// fill in start_valid private variable
if ($QA->start_valid() && $seek_quest_id) {
$quiz = $QA->quiz_data;
// temporary for compatibility
if ($QA->time_is_up()) {
return JLMS_quiz_ajax_class::JQ_TimeIsUp($quiz);
}
$q_data = $QA->quiz_Get_QuestionList();
$seek_avail = false;
$i = 0;
foreach ($q_data as $qd) {
if ($qd->c_id == $seek_quest_id) {
$seek_avail = true;
break;
}
$i++;
}
if ($seek_avail) {
// if Seek question from the current quiz
$quest_num = $i + 1;
// number of question in the quiz sequence
global $JLMS_LANGUAGE, $JLMS_CONFIG;
JLMS_require_lang($JLMS_LANGUAGE, 'quiz.lang', $JLMS_CONFIG->get('default_language'));
//require(_JOOMLMS_FRONT_HOME . "/languages/".$JLMS_CONFIG->get('default_language').'/quiz.lang.php');
require _JOOMLMS_FRONT_HOME . '/includes/quiz/quiz_language.php';
global $jq_language;
if ($quiz->c_wrong_message) {
$jq_language['quiz_answer_incorrect'] = htmlspecialchars(nl2br($quiz->c_wrong_message));
}
if ($quiz->c_right_message) {
$jq_language['quiz_answer_correct'] = htmlspecialchars(nl2br($quiz->c_right_message));
}
$cur_tmpl = 'joomlaquiz_lms_template';
if ($cur_tmpl) {
require_once dirname(__FILE__) . '/templates/' . $cur_tmpl . '/jq_template.php';
if (isset($q_data[$i])) {
$query = "SELECT c_question_id FROM #__lms_quiz_r_student_question WHERE c_stu_quiz_id = '" . $stu_quiz_id . "'";
$JLMS_DB->SetQuery($query);
$q_ids = $JLMS_DB->LoadResultArray();
$progress_quests_answered = count($q_ids);
$quiz_params = new JLMSParameters($QA->quiz_data->params);
$next_quest = 0;
$skip_quest = $quiz_params->get('sh_skip_quest', 0);
if ($skip_quest) {
$q_num = 0;
$q_num_ar = 0;
$qqn = 0;
foreach ($q_data as $qd) {
if ($qd->c_id == $seek_quest_id) {
$q_num = $qqn + 1;
$q_num_ar = $qqn;
break;
}
$qqn++;
}
if (!$q_num) {
return '';
} else {
$q_num = 0;
$q_num_ar = 0;
// here we are using $q_num and $q_num_ar for other needs (don't warry :) )
// find next not answered question
for ($j = $qqn, $n = count($q_data); $j < $n; $j++) {
if (!in_array($q_data[$j]->c_id, $q_ids) && $q_data[$j]->c_id != $seek_quest_id) {
$q_num = $j + 1;
$q_num_ar = $j;
break;
}
}
if (!$q_num) {
// find not answered question from prev questions
for ($j = 0; $j < $qqn; $j++) {
if (!in_array($q_data[$j]->c_id, $q_ids) && $q_data[$j]->c_id != $seek_quest_id) {
$q_num = $j + 1;
$q_num_ar = $j;
break;
}
}
}
if ($q_num) {
// $quest_num = $q_num;
$jj = $q_num_ar;
}
}
$next_quest = $q_data[$jj]->c_id;
}
$toolbar = $QA->quiz_Get_StartToolbar($q_data[$i]->c_type, $skip_quest, $next_quest);
//toolbar with 'Next' buttond and (if available)'Contents' button (from LP or QUIZ)
$ret_str .= "\t" . '<task>seek_quest</task>' . "\n";
$ret_str .= "\t" . '<quiz_menu><![CDATA[' . JLMS_ShowToolbar($toolbar) . ']]></quiz_menu>' . "\n";
$ret_str .= "\t" . '<quiz_quest_num>' . $quest_num . '</quiz_quest_num>' . "\n";
$kol_quests = count($q_data);
$progressbar_value = intval(100 / $kol_quests * $progress_quests_answered);
$ret_str .= "\t" . '<progress_quests_done>' . $progressbar_value . '</progress_quests_done>' . "\n";
$ret_str .= JLMS_quiz_ajax_class::JQ_GetQuestData($q_data[$i], $jq_language, $QA->get('stu_quiz_id', 0));
}
}
}
}
return $ret_str;
}
