public function display($quiz, $cm, $course)
{
global $CFG, $COURSE, $DB, $OUTPUT;
$this->context = get_context_instance(CONTEXT_MODULE, $cm->id);
$download = optional_param('download', '', PARAM_ALPHA);
list($currentgroup, $students, $groupstudents, $allowed) = $this->load_relevant_students($cm);
$pageoptions = array();
$pageoptions['id'] = $cm->id;
$pageoptions['mode'] = 'overview';
$reporturl = new moodle_url('/mod/quiz/report.php', $pageoptions);
$qmsubselect = quiz_report_qm_filter_select($quiz);
$mform = new mod_quiz_report_overview_settings($reporturl, array('qmsubselect' => $qmsubselect, 'quiz' => $quiz, 'currentgroup' => $currentgroup, 'context' => $this->context));
if ($fromform = $mform->get_data()) {
$regradeall = false;
$regradealldry = false;
$regradealldrydo = false;
$attemptsmode = $fromform->attemptsmode;
if ($qmsubselect) {
$qmfilter = $fromform->qmfilter;
} else {
$qmfilter = 0;
}
$regradefilter = !empty($fromform->regradefilter);
set_user_preference('quiz_report_overview_detailedmarks', $fromform->detailedmarks);
set_user_preference('quiz_report_pagesize', $fromform->pagesize);
$detailedmarks = $fromform->detailedmarks;
$pagesize = $fromform->pagesize;
} else {
$regradeall = optional_param('regradeall', 0, PARAM_BOOL);
$regradealldry = optional_param('regradealldry', 0, PARAM_BOOL);
$regradealldrydo = optional_param('regradealldrydo', 0, PARAM_BOOL);
$attemptsmode = optional_param('attemptsmode', null, PARAM_INT);
if ($qmsubselect) {
$qmfilter = optional_param('qmfilter', 0, PARAM_INT);
} else {
$qmfilter = 0;
}
$regradefilter = optional_param('regradefilter', 0, PARAM_INT);
$detailedmarks = get_user_preferences('quiz_report_overview_detailedmarks', 1);
$pagesize = get_user_preferences('quiz_report_pagesize', 0);
}
$this->validate_common_options($attemptsmode, $pagesize, $course, $currentgroup);
$displayoptions = array();
$displayoptions['attemptsmode'] = $attemptsmode;
$displayoptions['qmfilter'] = $qmfilter;
$displayoptions['regradefilter'] = $regradefilter;
$mform->set_data($displayoptions + array('detailedmarks' => $detailedmarks, 'pagesize' => $pagesize));
if (!$this->should_show_grades($quiz)) {
$detailedmarks = 0;
}
// We only want to show the checkbox to delete attempts
// if the user has permissions and if the report mode is showing attempts.
$candelete = has_capability('mod/quiz:deleteattempts', $this->context) && $attemptsmode != QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO;
if ($attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
// This option is only available to users who can access all groups in
// groups mode, so setting allowed to empty (which means all quiz attempts
// are accessible, is not a security porblem.
$allowed = array();
}
$coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
$courseshortname = format_string($course->shortname, true, array('context' => $coursecontext));
$displaycoursecontext = get_context_instance(CONTEXT_COURSE, $COURSE->id);
$displaycourseshortname = format_string($COURSE->shortname, true, array('context' => $displaycoursecontext));
// Load the required questions.
$questions = quiz_report_get_significant_questions($quiz);
$table = new quiz_report_overview_table($quiz, $this->context, $qmsubselect, $groupstudents, $students, $detailedmarks, $questions, $candelete, $reporturl, $displayoptions);
$filename = quiz_report_download_filename(get_string('overviewfilename', 'quiz_overview'), $courseshortname, $quiz->name);
$table->is_downloading($download, $filename, $displaycourseshortname . ' ' . format_string($quiz->name, true));
if ($table->is_downloading()) {
raise_memory_limit(MEMORY_EXTRA);
}
// Process actions.
if (empty($currentgroup) || $groupstudents) {
if (optional_param('delete', 0, PARAM_BOOL) && confirm_sesskey()) {
if ($attemptids = optional_param('attemptid', array(), PARAM_INT)) {
require_capability('mod/quiz:deleteattempts', $this->context);
$this->delete_selected_attempts($quiz, $cm, $attemptids, $allowed);
redirect($reporturl->out(false, $displayoptions));
}
} else {
if (optional_param('regrade', 0, PARAM_BOOL) && confirm_sesskey()) {
if ($attemptids = optional_param('attemptid', array(), PARAM_INT)) {
require_capability('mod/quiz:regrade', $this->context);
$this->regrade_attempts($quiz, false, $groupstudents, $attemptids);
redirect($reporturl->out(false, $displayoptions));
}
}
}
}
if ($regradeall && confirm_sesskey()) {
require_capability('mod/quiz:regrade', $this->context);
$this->regrade_attempts($quiz, false, $groupstudents);
redirect($reporturl->out(false, $displayoptions), '', 5);
} else {
if ($regradealldry && confirm_sesskey()) {
require_capability('mod/quiz:regrade', $this->context);
$this->regrade_attempts($quiz, true, $groupstudents);
redirect($reporturl->out(false, $displayoptions), '', 5);
} else {
if ($regradealldrydo && confirm_sesskey()) {
require_capability('mod/quiz:regrade', $this->context);
$this->regrade_attempts_needing_it($quiz, $groupstudents);
redirect($reporturl->out(false, $displayoptions), '', 5);
}
}
}
// Start output.
if (!$table->is_downloading()) {
// Only print headers if not asked to download data
$this->print_header_and_tabs($cm, $course, $quiz, 'overview');
}
if ($groupmode = groups_get_activity_groupmode($cm)) {
// Groups are being used
if (!$table->is_downloading()) {
groups_print_activity_menu($cm, $reporturl->out(true, $displayoptions));
}
}
// Print information on the number of existing attempts
if (!$table->is_downloading()) {
//do not print notices when downloading
if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
}
}
$hasquestions = quiz_questions_in_quiz($quiz->questions);
if (!$table->is_downloading()) {
if (!$hasquestions) {
echo quiz_no_questions_message($quiz, $cm, $this->context);
} else {
if (!$students) {
echo $OUTPUT->notification(get_string('nostudentsyet'));
} else {
if ($currentgroup && !$groupstudents) {
echo $OUTPUT->notification(get_string('nostudentsingroup'));
}
}
}
// Print display options
$mform->display();
}
$hasstudents = $students && (!$currentgroup || $groupstudents);
if ($hasquestions && ($hasstudents || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL)) {
// Construct the SQL
$fields = $DB->sql_concat('u.id', "'#'", 'COALESCE(quiza.attempt, 0)') . ' AS uniqueid, ';
if ($qmsubselect) {
$fields .= "(CASE " . " WHEN {$qmsubselect} THEN 1" . " ELSE 0 " . "END) AS gradedattempt, ";
}
list($fields, $from, $where, $params) = $this->base_sql($quiz, $qmsubselect, $qmfilter, $attemptsmode, $allowed);
$table->set_count_sql("SELECT COUNT(1) FROM {$from} WHERE {$where}", $params);
// Test to see if there are any regraded attempts to be listed.
$fields .= ", COALESCE((\n SELECT MAX(qqr.regraded)\n FROM {quiz_overview_regrades} qqr\n WHERE qqr.questionusageid = quiza.uniqueid\n ), -1) AS regraded";
if ($regradefilter) {
$where .= " AND COALESCE((\n SELECT MAX(qqr.regraded)\n FROM {quiz_overview_regrades} qqr\n WHERE qqr.questionusageid = quiza.uniqueid\n ), -1) <> -1";
}
$table->set_sql($fields, $from, $where, $params);
if (!$table->is_downloading()) {
// Regrade buttons
if (has_capability('mod/quiz:regrade', $this->context)) {
$regradesneeded = $this->count_question_attempts_needing_regrade($quiz, $groupstudents);
if ($currentgroup) {
$a = new stdClass();
$a->groupname = groups_get_group_name($currentgroup);
$a->coursestudents = get_string('participants');
$a->countregradeneeded = $regradesneeded;
$regradealldrydolabel = get_string('regradealldrydogroup', 'quiz_overview', $a);
$regradealldrylabel = get_string('regradealldrygroup', 'quiz_overview', $a);
$regradealllabel = get_string('regradeallgroup', 'quiz_overview', $a);
} else {
$regradealldrydolabel = get_string('regradealldrydo', 'quiz_overview', $regradesneeded);
$regradealldrylabel = get_string('regradealldry', 'quiz_overview');
$regradealllabel = get_string('regradeall', 'quiz_overview');
}
$displayurl = new moodle_url($reporturl, $displayoptions + array('sesskey' => sesskey()));
echo '<div class="mdl-align">';
echo '<form action="' . $displayurl->out_omit_querystring() . '">';
echo '<div>';
echo html_writer::input_hidden_params($displayurl);
echo '<input type="submit" name="regradeall" value="' . $regradealllabel . '"/>';
echo '<input type="submit" name="regradealldry" value="' . $regradealldrylabel . '"/>';
if ($regradesneeded) {
echo '<input type="submit" name="regradealldrydo" value="' . $regradealldrydolabel . '"/>';
}
echo '</div>';
echo '</form>';
echo '</div>';
}
// Print information on the grading method
if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $qmsubselect, $qmfilter)) {
echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
}
}
// Define table columns
$columns = array();
$headers = array();
if (!$table->is_downloading() && $candelete) {
$columns[] = 'checkbox';
$headers[] = null;
}
$this->add_user_columns($table, $columns, $headers);
$this->add_time_columns($columns, $headers);
if ($detailedmarks) {
foreach ($questions as $slot => $question) {
// Ignore questions of zero length
$columns[] = 'qsgrade' . $slot;
$header = get_string('qbrief', 'quiz', $question->number);
if (!$table->is_downloading()) {
$header .= '<br />';
} else {
$header .= ' ';
}
$header .= '/' . quiz_rescale_grade($question->maxmark, $quiz, 'question');
$headers[] = $header;
}
}
if (!$table->is_downloading() && has_capability('mod/quiz:regrade', $this->context) && $this->has_regraded_questions($from, $where, $params)) {
$columns[] = 'regraded';
$headers[] = get_string('regrade', 'quiz_overview');
}
$this->add_grade_columns($quiz, $columns, $headers);
$this->set_up_table_columns($table, $columns, $headers, $reporturl, $displayoptions, false);
$table->set_attribute('class', 'generaltable generalbox grades');
$table->out($pagesize, true);
}
if (!$table->is_downloading() && $this->should_show_grades($quiz)) {
if ($currentgroup && $groupstudents) {
list($usql, $params) = $DB->get_in_or_equal($groupstudents);
$params[] = $quiz->id;
if ($DB->record_exists_select('quiz_grades', "userid {$usql} AND quiz = ?", $params)) {
$imageurl = new moodle_url('/mod/quiz/report/overview/overviewgraph.php', array('id' => $quiz->id, 'groupid' => $currentgroup));
$graphname = get_string('overviewreportgraphgroup', 'quiz_overview', groups_get_group_name($currentgroup));
echo $OUTPUT->heading($graphname);
echo html_writer::tag('div', html_writer::empty_tag('img', array('src' => $imageurl, 'alt' => $graphname)), array('class' => 'graph'));
}
}
if ($DB->record_exists('quiz_grades', array('quiz' => $quiz->id))) {
$graphname = get_string('overviewreportgraph', 'quiz_overview');
$imageurl = new moodle_url('/mod/quiz/report/overview/overviewgraph.php', array('id' => $quiz->id));
echo $OUTPUT->heading($graphname);
echo html_writer::tag('div', html_writer::empty_tag('img', array('src' => $imageurl, 'alt' => $graphname)), array('class' => 'graph'));
}
}
return true;
}
/**
* Display the report.
*/
function display($quiz, $cm, $course) {
global $CFG, $COURSE, $DB, $OUTPUT;
$this->context = get_context_instance(CONTEXT_MODULE, $cm->id);
// Work out some display options - whether there is feedback, and whether scores should be shown.
$hasfeedback = quiz_has_feedback($quiz);
$fakeattempt = new stdClass();
$fakeattempt->preview = false;
$fakeattempt->timefinish = $quiz->timeopen;
$fakeattempt->userid = 0;
$reviewoptions = quiz_get_reviewoptions($quiz, $fakeattempt, $this->context);
$showgrades = quiz_has_grades($quiz) && $reviewoptions->scores;
$download = optional_param('download', '', PARAM_ALPHA);
/// find out current groups mode
$currentgroup = groups_get_activity_group($cm, true);
if (!$students = get_users_by_capability($this->context, array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'),'u.id,1','','','','','',false)) {
$students = array();
} else {
$students = array_keys($students);
}
if (empty($currentgroup)) {
// all users who can attempt quizzes
$allowed = $students;
$groupstudents = array();
} else {
// all users who can attempt quizzes and who are in the currently selected group
if (!$groupstudents = get_users_by_capability($this->context, array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'),'u.id,1','','','',$currentgroup,'',false)) {
$groupstudents = array();
} else {
$groupstudents = array_keys($groupstudents);
}
$allowed = $groupstudents;
}
$pageoptions = array();
$pageoptions['id'] = $cm->id;
$pageoptions['mode'] = 'overview';
$reporturl = new moodle_url('/mod/quiz/report.php', $pageoptions);
$qmsubselect = quiz_report_qm_filter_select($quiz);
$mform = new mod_quiz_report_overview_settings($reporturl, array('qmsubselect'=> $qmsubselect, 'quiz'=>$quiz,
'currentgroup'=>$currentgroup, 'context'=>$this->context));
if ($fromform = $mform->get_data()) {
$regradeall = false;
$regradealldry = false;
$regradealldrydo = false;
$attemptsmode = $fromform->attemptsmode;
if ($qmsubselect) {
//control is not on the form if
//the grading method is not set
//to grade one attempt per user eg. for average attempt grade.
$qmfilter = $fromform->qmfilter;
} else {
$qmfilter = 0;
}
$regradefilter = $fromform->regradefilter;
set_user_preference('quiz_report_overview_detailedmarks', $fromform->detailedmarks);
set_user_preference('quiz_report_pagesize', $fromform->pagesize);
$detailedmarks = $fromform->detailedmarks;
$pagesize = $fromform->pagesize;
} else {
$regradeall = optional_param('regradeall', 0, PARAM_BOOL);
$regradealldry = optional_param('regradealldry', 0, PARAM_BOOL);
$regradealldrydo = optional_param('regradealldrydo', 0, PARAM_BOOL);
$attemptsmode = optional_param('attemptsmode', null, PARAM_INT);
if ($qmsubselect) {
$qmfilter = optional_param('qmfilter', 0, PARAM_INT);
} else {
$qmfilter = 0;
}
$regradefilter = optional_param('regradefilter', 0, PARAM_INT);
$detailedmarks = get_user_preferences('quiz_report_overview_detailedmarks', 1);
$pagesize = get_user_preferences('quiz_report_pagesize', 0);
}
if ($currentgroup) {
//default for when a group is selected
if ($attemptsmode === null || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
$attemptsmode = QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH;
}
} else if (!$currentgroup && $course->id == SITEID) {
//force report on front page to show all, unless a group is selected.
$attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
} else if ($attemptsmode === null) {
//default
$attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
}
if (!$reviewoptions->scores) {
$detailedmarks = 0;
}
if ($pagesize < 1) {
$pagesize = QUIZ_REPORT_DEFAULT_PAGE_SIZE;
}
// We only want to show the checkbox to delete attempts
// if the user has permissions and if the report mode is showing attempts.
$candelete = has_capability('mod/quiz:deleteattempts', $this->context)
&& ($attemptsmode != QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO);
$displayoptions = array();
$displayoptions['attemptsmode'] = $attemptsmode;
$displayoptions['qmfilter'] = $qmfilter;
$displayoptions['regradefilter'] = $regradefilter;
if ($attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
$allowed = array();
}
if (empty($currentgroup) || $groupstudents) {
if (optional_param('delete', 0, PARAM_BOOL) && confirm_sesskey()) {
if ($attemptids = optional_param('attemptid', array(), PARAM_INT)) {
require_capability('mod/quiz:deleteattempts', $this->context);
$this->delete_selected_attempts($quiz, $cm, $attemptids, $allowed, $groupstudents);
redirect($reporturl->out(false, $displayoptions));
}
} else if (optional_param('regrade', 0, PARAM_BOOL) && confirm_sesskey()) {
if ($attemptids = optional_param('attemptid', array(), PARAM_INT)) {
$this->regrade_selected_attempts($quiz, $attemptids, $groupstudents);
redirect($reporturl->out(false, $displayoptions));
}
}
}
//work out the sql for this table.
if ($detailedmarks) {
$questions = quiz_report_load_questions($quiz);
} else {
$questions = array();
}
$table = new quiz_report_overview_table($quiz , $qmsubselect, $groupstudents,
$students, $detailedmarks, $questions, $candelete, $reporturl,
$displayoptions, $this->context);
$table->is_downloading($download, get_string('reportoverview','quiz'),
"$COURSE->shortname ".format_string($quiz->name,true));
if (!$table->is_downloading()) {
// Only print headers if not asked to download data
$this->print_header_and_tabs($cm, $course, $quiz, "overview");
}
if ($regradeall && confirm_sesskey()) {
$this->regrade_all(false, $quiz, $groupstudents);
} else if ($regradealldry && confirm_sesskey()) {
$this->regrade_all(true, $quiz, $groupstudents);
} else if ($regradealldrydo && confirm_sesskey()) {
$this->regrade_all_needed($quiz, $groupstudents);
}
if ($regradeall || $regradealldry || $regradealldrydo) {
redirect($reporturl->out(false, $displayoptions), '', 5);
}
if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used
if (!$table->is_downloading()) {
groups_print_activity_menu($cm, $reporturl->out(true, $displayoptions));
}
}
$nostudents = false;
if (!$students) {
if (!$table->is_downloading()) {
echo $OUTPUT->notification(get_string('nostudentsyet'));
}
$nostudents = true;
} else if ($currentgroup && !$groupstudents) {
if (!$table->is_downloading()) {
echo $OUTPUT->notification(get_string('nostudentsingroup'));
}
$nostudents = true;
}
if (!$table->is_downloading()) {
// Print display options
$mform->set_data($displayoptions +compact('detailedmarks', 'pagesize'));
$mform->display();
// Print information on the number of existing attempts
if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm, true, $currentgroup)) {
echo '<div class="quizattemptcounts">' . $strattemptnum . '</div>';
}
}
if (!$nostudents || ($attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL)) {
// Construct the SQL
$fields = $DB->sql_concat('u.id', "'#'", 'COALESCE(qa.attempt, 0)') . ' AS uniqueid,';
if ($qmsubselect) {
$fields .= "\n(CASE WHEN $qmsubselect THEN 1 ELSE 0 END) AS gradedattempt,";
}
$fields .= '
qa.uniqueid AS attemptuniqueid,
qa.id AS attempt,
u.id AS userid,
u.idnumber,
u.firstname,
u.lastname,
u.picture,
u.imagealt,
u.email,
qa.sumgrades,
qa.timefinish,
qa.timestart,
CASE WHEN qa.timefinish = 0 THEN null
WHEN qa.timefinish > qa.timestart THEN qa.timefinish - qa.timestart
ELSE 0 END AS duration';
// To explain that last bit, in MySQL, qa.timestart and qa.timefinish
// are unsigned. Since MySQL 5.5.5, when they introduced strict mode,
// subtracting a larger unsigned int from a smaller one gave an error.
// Therefore, we avoid doing that. timefinish can be non-zero and less
// than timestart when you have two load-balanced servers with very
// badly synchronised clocks, and a student does a really quick attempt.
// This part is the same for all cases - join users and quiz_attempts tables
$from = '{user} u ';
$from .= 'LEFT JOIN {quiz_attempts} qa ON qa.userid = u.id AND qa.quiz = :quizid';
$params = array('quizid' => $quiz->id);
if ($qmsubselect && $qmfilter) {
$from .= ' AND '.$qmsubselect;
}
switch ($attemptsmode) {
case QUIZ_REPORT_ATTEMPTS_ALL:
// Show all attempts, including students who are no longer in the course
$where = 'qa.id IS NOT NULL AND qa.preview = 0';
break;
case QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH:
// Show only students with attempts
list($allowed_usql, $allowed_params) = $DB->get_in_or_equal($allowed, SQL_PARAMS_NAMED, 'u0000');
$params += $allowed_params;
$where = "u.id $allowed_usql AND qa.preview = 0 AND qa.id IS NOT NULL";
break;
case QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO:
// Show only students without attempts
list($allowed_usql, $allowed_params) = $DB->get_in_or_equal($allowed, SQL_PARAMS_NAMED, 'u0000');
$params += $allowed_params;
$where = "u.id $allowed_usql AND qa.id IS NULL";
break;
case QUIZ_REPORT_ATTEMPTS_ALL_STUDENTS:
// Show all students with or without attempts
list($allowed_usql, $allowed_params) = $DB->get_in_or_equal($allowed, SQL_PARAMS_NAMED, 'u0000');
$params += $allowed_params;
$where = "u.id $allowed_usql AND (qa.preview = 0 OR qa.preview IS NULL)";
break;
}
$table->set_count_sql("SELECT COUNT(1) FROM $from WHERE $where", $params);
$sqlobject = new stdClass();
$sqlobject->from = $from;
$sqlobject->where = $where;
$sqlobject->params = $params;
//test to see if there are any regraded attempts to be listed.
if (quiz_get_regraded_qs($sqlobject, 0, 1)) {
$regradedattempts = true;
} else {
$regradedattempts = false;
}
$fields .= ', COALESCE((SELECT MAX(qqr.regraded) FROM {quiz_question_regrade} qqr WHERE qqr.attemptid = qa.uniqueid),-1) AS regraded';
if ($regradefilter) {
$where .= ' AND COALESCE((SELECT MAX(qqr.regraded) FROM {quiz_question_regrade} qqr WHERE qqr.attemptid = qa.uniqueid),-1) !=\'-1\'';
}
$table->set_sql($fields, $from, $where, $params);
// Define table columns
$columns = array();
$headers = array();
if (!$table->is_downloading()) { //do not print notices when downloading
//regrade buttons
if (has_capability('mod/quiz:regrade', $this->context)) {
$countregradeneeded = $this->count_regrade_all_needed($quiz, $groupstudents);
if ($currentgroup) {
$a= new stdClass();
$a->groupname = groups_get_group_name($currentgroup);
$a->coursestudents = get_string('participants');
$a->countregradeneeded = $countregradeneeded;
$regradealldrydolabel = get_string('regradealldrydogroup', 'quiz_overview', $a);
$regradealldrylabel = get_string('regradealldrygroup', 'quiz_overview', $a);
$regradealllabel = get_string('regradeallgroup', 'quiz_overview', $a);
} else {
$regradealldrydolabel = get_string('regradealldrydo', 'quiz_overview', $countregradeneeded);
$regradealldrylabel = get_string('regradealldry', 'quiz_overview');
$regradealllabel = get_string('regradeall', 'quiz_overview');
}
$displayurl = new moodle_url($reporturl, $displayoptions);
echo '<div class="mdl-align">';
echo '<form action="'.$displayurl->out_omit_querystring().'">';
echo '<div>';
echo html_writer::input_hidden_params($displayurl);
echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey())) . "\n";
echo '<input type="submit" name="regradeall" value="'.$regradealllabel.'"/>';
echo '<input type="submit" name="regradealldry" value="'.$regradealldrylabel.'"/>';
if ($countregradeneeded) {
echo '<input type="submit" name="regradealldrydo" value="'.$regradealldrydolabel.'"/>';
}
echo '</div>';
echo '</form>';
echo '</div>';
}
// Print information on the grading method
if ($strattempthighlight = quiz_report_highlighting_grading_method($quiz, $qmsubselect, $qmfilter)) {
echo '<div class="quizattemptcounts">' . $strattempthighlight . '</div>';
}
}
if (!$table->is_downloading() && $candelete) {
$columns[]= 'checkbox';
$headers[]= NULL;
}
if (!$table->is_downloading() && $CFG->grade_report_showuserimage) {
$columns[]= 'picture';
$headers[]= '';
}
if (!$table->is_downloading()) {
$columns[]= 'fullname';
$headers[]= get_string('name');
} else {
$columns[]= 'lastname';
$headers[]= get_string('lastname');
$columns[]= 'firstname';
$headers[]= get_string('firstname');
}
if ($CFG->grade_report_showuseridnumber) {
$columns[]= 'idnumber';
$headers[]= get_string('idnumber');
}
$columns[]= 'timestart';
$headers[]= get_string('startedon', 'quiz');
$columns[]= 'timefinish';
$headers[]= get_string('timecompleted','quiz');
$columns[]= 'duration';
$headers[]= get_string('attemptduration', 'quiz');
if ($detailedmarks) {
foreach ($questions as $id => $question) {
// Ignore questions of zero length
$columns[] = 'qsgrade'.$id;
$header = '#'.$question->number;
if (!$table->is_downloading()) {
$header .='<br />';
} else {
$header .=' ';
}
$header .='--/'.quiz_rescale_grade($question->maxgrade, $quiz, 'question');
$headers[] = $header;
$question->formattedname = strip_tags(format_string($question->name));
}
}
if (!$table->is_downloading() && has_capability('mod/quiz:regrade', $this->context) && $regradedattempts) {
$columns[] = 'regraded';
$headers[] = get_string('regrade', 'quiz_overview');
}
if ($showgrades) {
$columns[] = 'sumgrades';
$headers[] = get_string('grade', 'quiz').'/'.quiz_format_grade($quiz, $quiz->grade);
}
if ($hasfeedback) {
$columns[] = 'feedbacktext';
$headers[] = get_string('feedback', 'quiz');
}
$table->define_columns($columns);
$table->define_headers($headers);
$table->sortable(true, 'uniqueid');
// Set up the table
$table->define_baseurl($reporturl->out(true, $displayoptions));
$table->collapsible(true);
$table->no_sorting('feedbacktext');
$table->column_class('picture', 'picture');
$table->column_class('lastname', 'bold');
$table->column_class('firstname', 'bold');
$table->column_class('fullname', 'bold');
$table->column_class('sumgrades', 'bold');
$table->set_attribute('id', 'attempts');
$table->out($pagesize, true);
}
if (!$table->is_downloading() && $showgrades) {
if ($currentgroup && $groupstudents) {
list($usql, $params) = $DB->get_in_or_equal($groupstudents);
$params[] = $quiz->id;
if ($DB->record_exists_select('quiz_grades', "userid $usql AND quiz = ?", $params)) {
$imageurl = "{$CFG->wwwroot}/mod/quiz/report/overview/overviewgraph.php?id={$quiz->id}&groupid=$currentgroup";
$graphname = get_string('overviewreportgraphgroup', 'quiz_overview', groups_get_group_name($currentgroup));
echo $OUTPUT->heading($graphname);
echo '<div class="graph"><img src="'.$imageurl.'" alt="'.$graphname.'" /></div>';
}
}
if ($DB->record_exists('quiz_grades', array('quiz'=> $quiz->id))) {
$graphname = get_string('overviewreportgraph', 'quiz_overview');
$imageurl = $CFG->wwwroot.'/mod/quiz/report/overview/overviewgraph.php?id='.$quiz->id;
echo $OUTPUT->heading($graphname);
echo '<div class="graph"><img src="'.$imageurl.'" alt="'.$graphname.'" /></div>';
}
}
return true;
}