function col_intended_weight($question){
return quiz_report_scale_sumgrades_as_percentage($question->_stats->maxgrade, $this->quiz);
}
function output_quiz_info_table($course, $cm, $quiz, $quizstats, $usingattemptsstring, $currentgroup, $groupstudents, $useallattempts, $download, $reporturl, $everything)
{
global $DB, $OUTPUT;
// Print information on the number of existing attempts
$quizinformationtablehtml = $OUTPUT->heading(get_string('quizinformation', 'quiz_statistics'), 2, 'main');
$quizinformationtable = new html_table();
$quizinformationtable->align = array('center', 'center');
$quizinformationtable->width = '60%';
$quizinformationtable->class = 'generaltable titlesleft';
$quizinformationtable->data = array();
$quizinformationtable->data[] = array(get_string('quizname', 'quiz_statistics'), $quiz->name);
$quizinformationtable->data[] = array(get_string('coursename', 'quiz_statistics'), $course->fullname);
if ($cm->idnumber) {
$quizinformationtable->data[] = array(get_string('idnumbermod'), $cm->idnumber);
}
if ($quiz->timeopen) {
$quizinformationtable->data[] = array(get_string('quizopen', 'quiz'), userdate($quiz->timeopen));
}
if ($quiz->timeclose) {
$quizinformationtable->data[] = array(get_string('quizclose', 'quiz'), userdate($quiz->timeclose));
}
if ($quiz->timeopen && $quiz->timeclose) {
$quizinformationtable->data[] = array(get_string('duration', 'quiz_statistics'), format_time($quiz->timeclose - $quiz->timeopen));
}
$format = array('firstattemptscount' => '', 'allattemptscount' => '', 'firstattemptsavg' => 'sumgrades_as_percentage', 'allattemptsavg' => 'sumgrades_as_percentage', 'median' => 'sumgrades_as_percentage', 'standarddeviation' => 'sumgrades_as_percentage', 'skewness' => '', 'kurtosis' => '', 'cic' => 'number_format', 'errorratio' => 'number_format', 'standarderror' => 'sumgrades_as_percentage');
foreach ($quizstats as $property => $value) {
if (!isset($format[$property])) {
continue;
}
if (!is_null($value)) {
switch ($format[$property]) {
case 'sumgrades_as_percentage':
$formattedvalue = quiz_report_scale_sumgrades_as_percentage($value, $quiz);
break;
case 'number_format':
$formattedvalue = quiz_format_grade($quiz, $value) . '%';
break;
default:
$formattedvalue = $value;
}
$quizinformationtable->data[] = array(get_string($property, 'quiz_statistics', $usingattemptsstring), $formattedvalue);
}
}
if (!$this->table->is_downloading()) {
if (isset($quizstats->timemodified)) {
list($fromqa, $whereqa, $qaparams) = quiz_report_attempts_sql($quiz->id, $currentgroup, $groupstudents, $useallattempts);
$sql = 'SELECT COUNT(1) ' . 'FROM ' . $fromqa . ' ' . 'WHERE ' . $whereqa . ' AND qa.timefinish > :time';
$a = new object();
$a->lastcalculated = format_time(time() - $quizstats->timemodified);
if (!($a->count = $DB->count_records_sql($sql, array('time' => $quizstats->timemodified) + $qaparams))) {
$a->count = 0;
}
$quizinformationtablehtml .= $OUTPUT->box_start('boxaligncenter generalbox boxwidthnormal mdl-align');
$quizinformationtablehtml .= get_string('lastcalculated', 'quiz_statistics', $a);
$quizinformationtablehtml .= $OUTPUT->button(html_form::make_button($reporturl->out(true), $reporturl->params() + array('recalculate' => 1), get_string('recalculatenow', 'quiz_statistics')));
$quizinformationtablehtml .= $OUTPUT->box_end();
}
$downloadoptions = $this->table->get_download_menu();
$quizinformationtablehtml .= '<form action="' . $this->table->baseurl . '" method="post">';
$quizinformationtablehtml .= '<div class="mdl-align">';
$quizinformationtablehtml .= '<input type="hidden" name="everything" value="1"/>';
$quizinformationtablehtml .= '<input type="submit" value="' . get_string('downloadeverything', 'quiz_statistics') . '"/>';
$select = html_select::make($downloadoptions, 'download', $this->table->defaultdownloadformat, false);
$select->nothingvalue = '';
$quizinformationtablehtml .= $OUTPUT->select($select);
$quizinformationtablehtml .= $OUTPUT->help_icon(moodle_help_icon::make('tableexportformats', get_string('tableexportformats', 'table')));
$quizinformationtablehtml .= '</div></form>';
}
$quizinformationtablehtml .= $OUTPUT->table($quizinformationtable);
if (!$this->table->is_downloading()) {
echo $quizinformationtablehtml;
} elseif ($everything) {
$exportclass =& $this->table->export_class_instance();
if ($download == 'xhtml') {
echo $quizinformationtablehtml;
} else {
$exportclass->start_table(get_string('quizinformation', 'quiz_statistics'));
$headers = array();
$row = array();
foreach ($quizinformationtable->data as $data) {
$headers[] = $data[0];
$row[] = $data[1];
}
$exportclass->output_headers($headers);
$exportclass->add_data($row);
$exportclass->finish_table();
}
}
}
