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https://github.com/moodle/moodle.git
synced 2025-02-23 11:27:51 +01:00
538 lines
26 KiB
PHP
538 lines
26 KiB
PHP
<?php // $Id$
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// This script lists student attempts
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require_once($CFG->libdir.'/tablelib.php');
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class quiz_report extends quiz_default_report {
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function display($quiz, $cm, $course) { /// This function just displays the report
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global $CFG, $SESSION, $db, $QTYPES;
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/// Define some strings
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$strreallydel = addslashes(get_string('deleteattemptcheck','quiz'));
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$strnoattempts = get_string('noattempts','quiz');
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$strnoattemptsonly = get_string('shownoattemptsonly', 'quiz');
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$strattemptsonly = get_string('attemptsonly','quiz');
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$strbothattempts = get_string('bothattempts','quiz');
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$strtimeformat = get_string('strftimedatetime');
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$strreviewquestion = get_string('reviewresponse', 'quiz');
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/// Only print headers if not asked to download data
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if (!$download = optional_param('download', NULL)) {
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$this->print_header_and_tabs($cm, $course, $quiz, $reportmode="overview");
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}
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/// Deal with actions
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$action = optional_param('action', '');
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switch($action) {
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case 'delete': /// Some attempts need to be deleted
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// the following needs to be improved to delete all associated data as well
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$attemptids = isset($_POST['attemptid']) ? $_POST['attemptid'] : array();
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if(!is_array($attemptids) || empty($attemptids)) {
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break;
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}
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foreach($attemptids as $num => $attemptid) {
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if(empty($attemptid)) {
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unset($attemptids[$num]);
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}
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}
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foreach($attemptids as $attemptid) {
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if ($todelete = get_record('quiz_attempts', 'id', $attemptid)) {
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// TODO: use function from questionlib.php to delete attempt
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delete_records('quiz_attempts', 'id', $attemptid);
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delete_records('question_states', 'attempt', $todelete->uniqueid);
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delete_records('question_sessions', 'attemptid', $todelete->uniqueid);
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// Search quiz_attempts for other instances by this user.
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// If none, then delete record for this quiz, this user from quiz_grades
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// else recalculate best grade
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$userid = $todelete->userid;
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if (!record_exists('quiz_attempts', 'userid', $userid, 'quiz', $quiz->id)) {
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delete_records('quiz_grades', 'userid', $userid,'quiz', $quiz->id);
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} else {
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quiz_save_best_grade($quiz, $userid);
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}
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}
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}
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break;
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}
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/// Check to see if groups are being used in this quiz
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if ($groupmode = groupmode($course, $cm)) { // Groups are being used
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if (!$download) {
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$currentgroup = setup_and_print_groups($course, $groupmode, "report.php?id=$cm->id&mode=overview");
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} else {
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if (isset($_GET['group'])) {
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$changegroup = $_GET['group']; /// 0 or higher
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} else {
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$changegroup = -1; /// This means no group change was specified
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}
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$currentgroup = get_and_set_current_group($course, $groupmode, $changegroup);
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}
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} else {
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$currentgroup = false;
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}
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/// Set table options
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if(!isset($SESSION->quiz_overview_table)) {
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$SESSION->quiz_overview_table = array('noattempts' => false, 'detailedmarks' => false, 'pagesize' => 10);
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}
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foreach($SESSION->quiz_overview_table as $option => $value) {
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$urlparam = optional_param($option, NULL);
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if($urlparam === NULL) {
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$$option = $value;
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}
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else {
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$$option = $SESSION->quiz_overview_table[$option] = $urlparam;
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}
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}
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/// Now check if asked download of data
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if ($download) {
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$filename = clean_filename("$course->shortname ".format_string($quiz->name,true));
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$sort = '';
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$limit = '';
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}
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/// Define table columns
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$tablecolumns = array('checkbox', 'picture', 'fullname', 'timestart', 'duration');
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$tableheaders = array(NULL, '', get_string('fullname'), get_string('startedon', 'quiz'), get_string('attemptduration', 'quiz'));
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if ($quiz->grade and $quiz->sumgrades) {
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$tablecolumns[] = 'sumgrades';
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$tableheaders[] = get_string('grade', 'quiz').'/'.$quiz->grade;
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}
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if($detailedmarks) {
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// we want to display marks for all questions
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// Start by getting all questions
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$questionlist = quiz_questions_in_quiz($quiz->questions);
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$questionids = explode(',', $questionlist);
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$sql = "SELECT q.*, i.grade AS maxgrade, i.id AS instance".
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" FROM {$CFG->prefix}question q,".
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" {$CFG->prefix}quiz_question_instances i".
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" WHERE i.quiz = '$quiz->id' AND q.id = i.question".
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" AND q.id IN ($questionlist)";
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if (!$questions = get_records_sql($sql)) {
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error('No questions found');
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}
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$number = 1;
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foreach($questionids as $key => $id) {
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if ($questions[$id]->length) {
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// Only print questions of non-zero length
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$tablecolumns[] = '$'.$id;
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$tableheaders[] = '#'.$number;
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$questions[$id]->number = $number;
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$number += $questions[$id]->length;
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} else {
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// get rid of zero length questions
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unset($questions[$id]);
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unset($questionids[$key]);
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}
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}
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}
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if (!$download) {
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// Set up the table
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$table = new flexible_table('mod-quiz-report-overview-report');
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$table->define_columns($tablecolumns);
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$table->define_headers($tableheaders);
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$table->define_baseurl($CFG->wwwroot.'/mod/quiz/report.php?mode=overview&id='.$cm->id);
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$table->sortable(true);
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$table->collapsible(true);
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$table->column_suppress('picture');
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$table->column_suppress('fullname');
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$table->column_class('picture', 'picture');
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$table->set_attribute('cellspacing', '0');
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$table->set_attribute('id', 'attempts');
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$table->set_attribute('class', 'generaltable generalbox');
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// Start working -- this is necessary as soon as the niceties are over
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$table->setup();
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} elseif ($download =='Excel') {
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require_once("$CFG->libdir/excellib.class.php");
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$filename .= ".xls";
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/// Creating a workbook
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$workbook = new MoodleExcelWorkbook("-");
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/// Sending HTTP headers
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$workbook->send($filename);
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/// Creating the first worksheet
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$sheettitle = get_string('reportresponses','quiz_responses');
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$myxls =& $workbook->add_worksheet($sheettitle);
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/// format types
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$format =& $workbook->add_format();
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$format->set_bold(0);
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$formatbc =& $workbook->add_format();
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$formatbc->set_bold(1);
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$formatbc->set_align('center');
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$formatb =& $workbook->add_format();
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$formatb->set_bold(1);
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$formaty =& $workbook->add_format();
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$formaty->set_bg_color('yellow');
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$formatc =& $workbook->add_format();
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$formatc->set_align('center');
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$formatr =& $workbook->add_format();
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$formatr->set_bold(1);
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$formatr->set_color('red');
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$formatr->set_align('center');
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$formatg =& $workbook->add_format();
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$formatg->set_bold(1);
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$formatg->set_color('green');
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$formatg->set_align('center');
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// Here starts workshhet headers
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$headers = array(get_string('fullname'), get_string('startedon', 'quiz'), get_string('attemptduration', 'quiz'));
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if ($quiz->grade and $quiz->sumgrades) {
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$headers[] = get_string('grade', 'quiz').'/'.$quiz->grade;
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}
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if($detailedmarks) {
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foreach ($questionids as $key=>$id) {
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$headers[] = '#'.$questions[$id]->number;
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}
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}
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$colnum = 0;
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foreach ($headers as $item) {
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$myxls->write(0,$colnum,$item,$formatbc);
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$colnum++;
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}
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$rownum=1;
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} elseif ($download=='CSV') {
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$filename .= ".txt";
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header("Content-Type: application/download\n");
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header("Content-Disposition: attachment; filename=\"$filename\"");
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header("Expires: 0");
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header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
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header("Pragma: public");
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$headers = get_string('fullname')."\t".get_string('startedon', 'quiz')."\t".get_string('attemptduration', 'quiz');
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if ($quiz->grade and $quiz->sumgrades) {
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$headers .= "\t".get_string('grade', 'quiz')."/".$quiz->grade;
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}
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if($detailedmarks) {
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foreach ($questions as $question) {
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$headers .= "\t#".$question->number;
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}
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}
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echo $headers." \n";
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}
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// Construct the SQL
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$select = 'SELECT '.$db->Concat('u.id', '\'#\'', $db->IfNull('qa.attempt', '0')).' AS uniqueid, '.
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'qa.uniqueid as attemptuniqueid, qa.id AS attempt, u.id AS userid, u.firstname, u.lastname, u.picture, '.
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'qa.sumgrades, qa.timefinish, qa.timestart, qa.timefinish - qa.timestart AS duration ';
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if ($course->id != SITEID) { // this is too complicated, so just do it for each of the four cases.
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if (!empty($currentgroup) && empty($noattempts)) {
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// we want a particular group and we only want to see students WITH attempts.
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// So join on groups_members and do an inner join on attempts.
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$from = 'FROM '.$CFG->prefix.'user u JOIN '.$CFG->prefix.'user_students us ON us.userid = u.id JOIN '.$CFG->prefix.'groups_members gm ON u.id = gm.userid '.
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'JOIN '.$CFG->prefix.'quiz_attempts qa ON u.id = qa.userid AND qa.quiz = '.$quiz->id;
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$where = ' WHERE us.course = '.$course->id.' AND gm.groupid = '.$currentgroup.' AND qa.preview = 0';
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} else if (!empty($currentgroup) && !empty($noattempts)) {
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// We want a particular group and we want to do something funky with attempts
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// So join on groups_members and left join on attempts...
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$from = 'FROM '.$CFG->prefix.'user u JOIN '.$CFG->prefix.'user_students us ON us.userid = u.id JOIN '.$CFG->prefix.'groups_members gm ON u.id = gm.userid '.
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'LEFT JOIN '.$CFG->prefix.'quiz_attempts qa ON u.id = qa.userid AND qa.quiz = '.$quiz->id;
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$where = ' WHERE us.course = '.$course->id.' AND gm.groupid = '.$currentgroup.' AND qa.preview = 0';
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if ($noattempts == 1) {
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// noattempts = 1 means only no attempts, so make the left join ask for only records where the right is null (no attempts)
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$where .= ' AND qa.userid IS NULL'; // show ONLY no attempts;
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} // no else, the left join is not filtered, which means we get both back.
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} else if (empty($currentgroup) && empty($noattempts)) {
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// We don't care about group, and we only want to see students WITH attempts.
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// So just do a striaght inner join on attempts, don't worry about the groups_members table
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$from = 'FROM '.$CFG->prefix.'user u JOIN '.$CFG->prefix.'quiz_attempts qa ON u.id = qa.userid ';
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$where = ' WHERE qa.quiz = '.$quiz->id.' AND qa.preview = 0';
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} else if (empty($currentgroup) && !empty($noattempts)) {
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// We don't care about group, and we to do something funky with attempts
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// So do a left join on attempts
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$from = 'FROM '.$CFG->prefix.'user u JOIN '.$CFG->prefix.'user_students us ON us.userid = u.id LEFT JOIN '.$CFG->prefix.'quiz_attempts qa ON u.id = qa.userid AND qa.quiz = '.$quiz->id;
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$where = ' WHERE us.course = '.$course->id;
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if ($noattempts == 1) {
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// noattempts = 1 means only no attempts, so make the left join ask for only records where the right is null (no attempts)
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$where .= ' AND qa.userid IS NULL'; // show ONLY no attempts;
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} // no else, the left join is not filtered, which means we get both back.
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}
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$countsql = 'SELECT COUNT(DISTINCT('.$db->Concat('u.id', '\'#\'', $db->IfNull('qa.attempt', '0')).')) '.$from.$where;
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} else {
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if (empty($noattempts)) {
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$from = 'FROM '.$CFG->prefix.'user u JOIN '.$CFG->prefix.'quiz_attempts qa ON u.id = qa.userid ';
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$where = ' WHERE qa.quiz = '.$quiz->id.' AND qa.preview = 0';
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$countsql = 'SELECT COUNT(DISTINCT('.$db->Concat('u.id', '\'#\'', $db->IfNull('qa.attempt', '0')).')) '.$from.$where;
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}
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}
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if (!$download) {
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// Add extra limits due to initials bar
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if($table->get_sql_where()) {
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$where .= ' AND '.$table->get_sql_where();
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}
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// Count the records NOW, before funky question grade sorting messes up $from
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if (!empty($countsql)) {
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$totalinitials = count_records_sql($countsql);
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if ($table->get_sql_where()) {
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$countsql .= ' AND '.$table->get_sql_where();
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}
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$total = count_records_sql($countsql);
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}
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// Add extra limits due to sorting by question grade
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if($sort = $table->get_sql_sort()) {
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$sortparts = explode(',', $sort);
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$newsort = array();
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$questionsort = false;
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foreach($sortparts as $sortpart) {
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$sortpart = trim($sortpart);
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if(substr($sortpart, 0, 1) == '$') {
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if(!$questionsort) {
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$qid = intval(substr($sortpart, 1));
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$select .= ', grade ';
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$from .= 'LEFT JOIN '.$CFG->prefix.'question_sessions qns ON qns.attemptid = qa.attemptuniqueid '.
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'LEFT JOIN '.$CFG->prefix.'question_states qs ON qs.id = qns.newgraded ';
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$where .= ' AND ('.sql_isnull('qns.questionid').' OR qns.questionid = '.$qid.')';
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$newsort[] = 'grade '.(strpos($sortpart, 'ASC')? 'ASC' : 'DESC');
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$questionsort = true;
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}
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}
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else {
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$newsort[] = $sortpart;
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}
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}
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// Reconstruct the sort string
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$sort = ' ORDER BY '.implode(', ', $newsort);
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}
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// Fix some wired sorting
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if (empty($sort)) {
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$sort = ' ORDER BY uniqueid';
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}
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// Now it is time to page the data
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if (!isset($pagesize) || ((int)$pagesize < 1) ) {
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$pagesize = 10;
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}
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$table->pagesize($pagesize, $total);
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if($table->get_page_start() !== '' && $table->get_page_size() !== '') {
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$limit = ' '.sql_paging_limit($table->get_page_start(), $table->get_page_size());
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}
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else {
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$limit = '';
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}
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}
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/// Fetch the attempts
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if (!empty($from)) { // if we're in the site course and displaying no attempts, it makes no sense to do the query.
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$attempts = get_records_sql($select.$from.$where.$sort.$limit);
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} else {
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$attempts = array();
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}
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/// Build table rows
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if (!$download) {
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$table->initialbars($totalinitials>20);
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}
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if(!empty($attempts) || !empty($noattempts)) {
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if ($attempts) {
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foreach ($attempts as $attempt) {
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$picture = print_user_picture($attempt->userid, $course->id, $attempt->picture, false, true);
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// uncomment the commented lines below if you are choosing to show unenrolled users and
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// have uncommented the corresponding lines earlier in this script
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//if (in_array($attempt->userid, $unenrolledusers)) {
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// $userlink = '<a class="dimmed" href="'.$CFG->wwwroot.'/user/view.php?id='.$attempt->userid.'&course='.$course->id.'">'.fullname($attempt).'</a>';
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//}
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//else {
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$userlink = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$attempt->userid.'&course='.$course->id.'">'.fullname($attempt).'</a>';
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//}
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if (!$download) {
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$row = array(
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'<input type="checkbox" name="attemptid[]" value="'.$attempt->attempt.'" />',
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$picture,
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$userlink,
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empty($attempt->attempt) ? '-' : '<a href="review.php?q='.$quiz->id.'&attempt='.$attempt->attempt.'">'.userdate($attempt->timestart, $strtimeformat).'</a>',
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empty($attempt->attempt) ? '-' :
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(empty($attempt->timefinish) ? get_string('unfinished', 'quiz') :
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format_time($attempt->duration))
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);
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}
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else {
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$row = array(fullname($attempt),
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empty($attempt->attempt) ? '-' : userdate($attempt->timestart, $strtimeformat),
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empty($attempt->attempt) ? '-' :
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(empty($attempt->timefinish) ? get_string('unfinished', 'quiz') :
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format_time($attempt->duration))
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);
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}
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if ($quiz->grade and $quiz->sumgrades) {
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if (!$download) {
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$row[] = $attempt->sumgrades === NULL ? '-' : '<a href="review.php?q='.$quiz->id.'&attempt='.$attempt->attempt.'">'.round($attempt->sumgrades / $quiz->sumgrades * $quiz->grade,$quiz->decimalpoints).'</a>';
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}
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else {
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$row[] = $attempt->sumgrades === NULL ? '-' : round($attempt->sumgrades / $quiz->sumgrades * $quiz->grade,$quiz->decimalpoints);
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}
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}
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if($detailedmarks) {
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if(empty($attempt->attempt)) {
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foreach($questionids as $questionid) {
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$row[] = '-';
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}
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}
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else {
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foreach($questionids as $questionid) {
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if ($gradedstateid = get_field('question_sessions', 'newgraded', 'attemptid', $attempt->attemptuniqueid, 'questionid', $questionid)) {
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$grade = round(get_field('question_states', 'grade', 'id', $gradedstateid), $quiz->decimalpoints);
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} else {
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$grade = '--';
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}
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if (!$download) {
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$row[] = link_to_popup_window ('/mod/quiz/reviewquestion.php?state='.$gradedstateid.'&number='.$questions[$questionid]->number, 'reviewquestion', $grade, 450, 650, $strreviewquestion, 'none', true);
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}
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else {
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$row[] = $grade;
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}
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}
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}
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}
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if (!$download) {
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$table->add_data($row);
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}
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elseif ($download == 'Excel') {
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$colnum = 0;
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foreach($row as $item){
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$myxls->write($rownum,$colnum,$item,$format);
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$colnum++;
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}
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$rownum++;
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}
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elseif ($download=='CSV') {
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$text = implode("\t", $row);
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echo $text." \n";
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}
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}
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}
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if (!$download) {
|
|
/// Start form
|
|
|
|
echo '<div id="tablecontainer">';
|
|
echo '<form id="attemptsform" method="post" action="report.php" onsubmit="var menu = document.getElementById(\'menuaction\'); return (menu.options[menu.selectedIndex].value == \'delete\' ? \''.$strreallydel.'\' : true);">';
|
|
echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
|
|
echo '<input type="hidden" name="mode" value="overview" />';
|
|
|
|
/// Print table
|
|
|
|
$table->print_html();
|
|
|
|
/// Print "Select all" etc.
|
|
if (!empty($attempts)) {
|
|
echo '<table id="commands">';
|
|
echo '<tr><td>';
|
|
echo '<a href="javascript:select_all_in(\'DIV\',null,\'tablecontainer\');">'.get_string('selectall', 'quiz').'</a> / ';
|
|
echo '<a href="javascript:deselect_all_in(\'DIV\',null,\'tablecontainer\');">'.get_string('selectnone', 'quiz').'</a> ';
|
|
echo ' ';
|
|
$options = array('delete' => get_string('delete'));
|
|
echo choose_from_menu($options, 'action', '', get_string('withselected', 'quiz'), 'if(this.selectedIndex > 0) submitFormById(\'attemptsform\');', '', true);
|
|
echo '<noscript id="noscriptmenuaction" style="display: inline;">';
|
|
echo '<input type="submit" value="'.get_string('go').'" /></noscript>';
|
|
echo '<script type="text/javascript">'."\n<!--\n".'document.getElementById("noscriptmenuaction").style.display = "none";'."\n-->\n".'</script>';
|
|
echo '</td></tr></table>';
|
|
}
|
|
/// Close form
|
|
echo '</form></div>';
|
|
/// Print display options
|
|
echo '<div class="controls">';
|
|
echo '<form id="options" name="options" action="report.php" method="post">';
|
|
echo '<p>'.get_string('displayoptions', 'quiz').': </p>';
|
|
echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
|
|
echo '<input type="hidden" name="q" value="'.$quiz->id.'" />';
|
|
echo '<input type="hidden" name="mode" value="overview" />';
|
|
echo '<input type="hidden" name="noattempts" value="0" />';
|
|
echo '<input type="hidden" name="detailedmarks" value="0" />';
|
|
echo '<table id="overview-options" align="center">';
|
|
echo '<tr align="left">';
|
|
echo '<td><label for="pagesize">'.get_string('pagesize', 'quiz').'</label></td>';
|
|
echo '<td><input type="text" id="pagesize" name="pagesize" size="1" value="'.$pagesize.'" /></td>';
|
|
echo '</tr>';
|
|
echo '<tr align="left">';
|
|
echo '<td colspan="2">';
|
|
$options = array(0 => $strattemptsonly);
|
|
if ($course->id != SITEID) {
|
|
$options[1] = $strnoattemptsonly;
|
|
$options[2] = $strbothattempts;
|
|
}
|
|
choose_from_menu($options,'noattempts',$noattempts,'');
|
|
echo '</td></tr>';
|
|
echo '<tr align="left">';
|
|
echo '<td colspan="2"><input type="checkbox" id="checkdetailedmarks" name="detailedmarks" '.($detailedmarks?'checked="checked" ':'').'value="1" /> <label for="checkdetailedmarks">'.get_string('showdetailedmarks', 'quiz').'</label> ';
|
|
echo '</td></tr>';
|
|
echo '<tr><td colspan="2" align="center">';
|
|
echo '<input type="submit" value="'.get_string('go').'" />';
|
|
echo '</td></tr></table>';
|
|
echo '</form>';
|
|
echo '</div>';
|
|
echo "\n";
|
|
|
|
if (!empty($attempts)) {
|
|
echo '<table align="center"><tr>';
|
|
unset($options);
|
|
$options["id"] = "$cm->id";
|
|
$options["q"] = "$quiz->id";
|
|
$options["mode"] = "overview";
|
|
$options['sesskey'] = sesskey();
|
|
$options["noheader"] = "yes";
|
|
echo '<td>';
|
|
$options["download"] = "Excel";
|
|
print_single_button("report.php", $options, get_string("downloadexcel"));
|
|
echo "</td>\n";
|
|
echo '<td>';
|
|
$options["download"] = "CSV";
|
|
print_single_button('report.php', $options, get_string("downloadtext"));
|
|
echo "</td>\n";
|
|
echo "<td>";
|
|
helpbutton("download", get_string("download","quiz"), "quiz");
|
|
echo "</td>\n";
|
|
echo '</tr></table>';
|
|
}
|
|
}
|
|
elseif ($download == 'Excel') {
|
|
$workbook->close();
|
|
}
|
|
elseif ($download == 'CSV') {
|
|
exit;
|
|
}
|
|
|
|
}
|
|
else {
|
|
if (!$download) {
|
|
$table->print_html();
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
?>
|