/**
* The intended question weight. Maximum mark for the question as a percentage
* of maximum mark for the offlinequiz. That is, the indended influence this question
* on the student's overall mark.
* @param object $question containst the data to display.
* @return string contents of this table cell.
*/
protected function col_intended_weight($question)
{
return offlinequiz_report_scale_summarks_as_percentage($question->_stats->maxmark, $this->offlinequiz);
}
/**
* The intended question weight. Maximum mark for the question as a percentage
* of maximum mark for the offlinequiz. That is, the indended influence this question
* on the student's overall mark.
* @param object $question containst the data to display.
* @return string contents of this table cell.
*/
protected function col_intended_weight($question)
{
if (!property_exists($question, '_stats')) {
return '';
}
return offlinequiz_report_scale_summarks_as_percentage($question->_stats->maxmark, $this->offlinequiz);
}
protected function get_formatted_offlinequiz_info_data($course, $cm, $offlinequiz, $offlinequizstats)
{
// You can edit this array to control which statistics are displayed.
$todisplay = array('allattemptscount' => 'number', 'maxgrade' => 'number_format', 'bestgrade' => 'scale_to_maxgrade', 'worstgrade' => 'scale_to_maxgrade', 'allattemptsavg' => 'scale_to_maxgrade', 'median' => 'scale_to_maxgrade', 'standarddeviation' => 'scale_to_maxgrade', 'skewness' => 'number_format', 'kurtosis' => 'number_format', 'cic' => 'percent_to_number_format', 'errorratio' => 'number_format_percent', 'standarderror' => 'scale_to_maxgrade');
if ($offlinequiz->sumgrades > 0) {
$offlinequizstats->sumgrades = $offlinequiz->sumgrades;
} else {
if ($offlinequiz->sumgrades == -1) {
$offlinequizstats->sumgrades = '';
$offlinequizstats->bestgrade = '';
$offlinequizstats->worstgrade = '';
$offlinequizstats->allattemptsavg = '';
$offlinequizstats->median = '';
$offlinequizstats->standarddeviation = '';
}
}
$offlinequizstats->maxgrade = $offlinequiz->grade;
// General information about the offlinequiz.
$offlinequizinfo = array();
$offlinequizinfo[get_string('offlinequizname', 'offlinequiz_statistics')] = format_string($offlinequiz->name);
if ($cm->idnumber) {
$offlinequizinfo[get_string('idnumbermod')] = $cm->idnumber;
}
if ($offlinequiz->timeopen) {
$offlinequizinfo[get_string('reviewopens', 'offlinequiz')] = userdate($offlinequiz->timeopen);
}
if ($offlinequiz->timeclose) {
$offlinequizinfo[get_string('reviewcloses', 'offlinequiz')] = userdate($offlinequiz->timeclose);
}
if ($offlinequiz->timeopen && $offlinequiz->timeclose) {
$offlinequizinfo[get_string('duration', 'offlinequiz_statistics')] = format_time($offlinequiz->timeclose - $offlinequiz->timeopen);
}
// The statistics.
foreach ($todisplay as $property => $format) {
if (!isset($offlinequizstats->{$property}) || empty($format)) {
continue;
}
$value = $offlinequizstats->{$property};
switch ($format) {
case 'summarks_as_percentage':
$formattedvalue = offlinequiz_report_scale_summarks_as_percentage($value, $offlinequiz);
break;
case 'scale_to_maxgrade':
$formattedvalue = offlinequiz_report_scale_grade($value, $offlinequiz);
break;
case 'number_format_percent':
$formattedvalue = offlinequiz_format_grade($offlinequiz, $value) . '%';
break;
case 'number_format':
// 2 extra decimal places, since not a percentage,
// and we want the same number of sig figs.???
$formattedvalue = format_float($value, $offlinequiz->decimalpoints);
break;
case 'percent_to_number_format':
$formattedvalue = format_float($value / 100.0, $offlinequiz->decimalpoints);
break;
case 'number':
$formattedvalue = $value + 0;
break;
default:
$formattedvalue = $value;
}
$offlinequizinfo[get_string($property, 'offlinequiz_statistics', $this->using_attempts_string(!empty($offlinequizstats->allattempts)))] = $formattedvalue;
}
return $offlinequizinfo;
}