/**
* Convert the raw grade stored in $attempt into a grade out of the maximum
* grade for this offlinequiz.
*
* @param float $rawgrade the unadjusted grade, fof example $attempt->sumgrades
* @param object $offlinequiz the offlinequiz object. Only the fields grade, sumgrades and decimalpoints are used.
* @param bool|string $format whether to format the results for display
* or 'question' to format a question grade (different number of decimal places.
* @return float|string the rescaled grade, or null/the lang string 'notyetgraded'
* if the $grade is null.
*/
function offlinequiz_rescale_grade($rawgrade, $offlinequiz, $group, $format = true)
{
if (is_null($rawgrade)) {
$grade = null;
} else {
if ($group->sumgrades >= 5.0E-6) {
$grade = $rawgrade / $group->sumgrades * $offlinequiz->grade;
} else {
$grade = 0;
}
}
if ($format === 'question') {
$grade = offlinequiz_format_question_grade($offlinequiz, $grade);
} else {
if ($format) {
$grade = offlinequiz_format_grade($offlinequiz, $grade);
}
}
return $grade;
}
if ($structure->update_slot_maxmark($slot, $maxmark)) {
// Recalculate the sumgrades for all groups
if ($groups = $DB->get_records('offlinequiz_groups', array('offlinequizid' => $offlinequiz->id), 'number', '*', 0, $offlinequiz->numgroups)) {
foreach ($groups as $group) {
$sumgrade = offlinequiz_update_sumgrades($offlinequiz, $group->id);
}
}
// Grade has really changed.
//$offlinequiz->sumgrades = offlinequiz_update_sumgrades($offlinequiz);
offlinequiz_update_question_instance($offlinequiz, $slot->questionid, unformat_float($maxmark));
offlinequiz_update_all_attempt_sumgrades($offlinequiz);
//offlinequiz_update_all_final_grades($offlinequiz);
offlinequiz_update_grades($offlinequiz, 0, true);
}
$newsummarks = $DB->get_field('offlinequiz_groups', 'sumgrades', array('id' => $offlinequizgroup->id));
echo json_encode(array('instancemaxmark' => offlinequiz_format_question_grade($offlinequiz, $slot->maxmark), 'newsummarks' => format_float($newsummarks, $offlinequiz->decimalpoints)));
break;
case 'updatepagebreak':
require_capability('mod/offlinequiz:manage', $modcontext);
offlinequiz_delete_template_usages($offlinequiz);
$slots = $structure->update_page_break($offlinequiz, $id, $value);
$json = array();
foreach ($slots as $slot) {
$json[$slot->slot] = array('id' => $slot->id, 'slot' => $slot->slot, 'page' => $slot->page);
}
echo json_encode(array('slots' => $json));
break;
}
break;
case 'course':
break;
/**
* Display the 'marked out of' information for a question.
* Along with the regrade action.
* @param \stdClass $offlinequiz the offlinequiz settings from the database.
* @param \stdClass $question data from the question and offlinequiz_slots tables.
* @return string HTML to output.
*/
public function marked_out_of_field($offlinequiz, $question)
{
if ($question->length == 0) {
$output = html_writer::span('', 'instancemaxmark decimalplaces_' . offlinequiz_get_grade_format($offlinequiz));
$output .= html_writer::span($this->pix_icon('spacer', '', 'moodle', array('class' => 'editicon visibleifjs', 'title' => '')), 'editing_maxmark');
return html_writer::span($output, 'instancemaxmarkcontainer infoitem');
}
$output = html_writer::span(offlinequiz_format_question_grade($offlinequiz, $question->maxmark), 'instancemaxmark decimalplaces_' . offlinequiz_get_grade_format($offlinequiz), array('title' => get_string('maxmark', 'offlinequiz')));
$output .= html_writer::span(html_writer::link(new \moodle_url('#'), $this->pix_icon('t/editstring', '', 'moodle', array('class' => 'editicon visibleifjs', 'title' => '')), array('class' => 'editing_maxmark', 'data-action' => 'editmaxmark', 'title' => get_string('editmaxmark', 'offlinequiz'))));
return html_writer::span($output, 'instancemaxmarkcontainer');
}