}
if ($showing == 'stats') {
// The $offlinequiz objects returned by get_all_instances_in_course have the necessary $cm
// fields set to make the following call work.
$data[] = offlinequiz_attempt_summary_link_to_reports($offlinequiz, $cm, $context);
} else {
if ($showing == 'grades') {
// Grade and feedback.
list($someoptions, $alloptions) = offlinequiz_get_combined_reviewoptions($offlinequiz);
$grade = '';
$feedback = '';
if ($offlinequiz->grade && array_key_exists($offlinequiz->id, $grades)) {
if ($alloptions->marks >= question_display_options::MARK_AND_MAX) {
$a = new stdClass();
$a->grade = offlinequiz_format_grade($offlinequiz, $grades[$offlinequiz->id]);
$a->maxgrade = offlinequiz_format_grade($offlinequiz, $offlinequiz->grade);
$grade = get_string('outofshort', 'offlinequiz', $a);
}
}
$data[] = $grade;
if ($showfeedback) {
$data[] = $feedback;
}
}
}
$table->data[] = $data;
}
// End of loop over offlinequiz instances.
// Display the table.
echo html_writer::table($table);
// Finish the page.
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' => $json));
break;
}
break;
case 'course':
break;
}
break;
case 'DELETE':
switch ($class) {
case 'resource':
require_capability('mod/offlinequiz:manage', $modcontext);
if (!($slot = $DB->get_record('offlinequiz_group_questions', array('offlinequizid' => $offlinequiz->id, 'id' => $id)))) {
throw new moodle_exception('AJAX commands.php: Bad slot ID ' . $id);
}
$structure->remove_slot($offlinequiz, $slot->slot);
offlinequiz_delete_template_usages($offlinequiz);
offlinequiz_update_sumgrades($offlinequiz);
echo json_encode(array('newsummarks' => offlinequiz_format_grade($offlinequiz, $offlinequiz->sumgrades), 'deleted' => true, 'newnumquestions' => $structure->get_question_count()));
break;
}
break;
}
/**
* 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;
}
/**
* Display a question for grading tab.
*
* @param structure $structure object containing the structure of the offlinequiz.
* @param \stdClass $question data from the question and offlinequiz_slots tables.
* @param \moodle_url $pageurl the canonical URL of this page.
* @return string HTML to output.
*/
public function question_for_grading(structure $structure, $question, \moodle_url $pageurl)
{
$output = '';
$output .= html_writer::start_tag('div');
$output .= html_writer::start_div('mod-indent-outer');
$output .= $this->question_number($question->displayednumber);
// This div is used to indent the content.
$output .= html_writer::div('', 'mod-indent');
// Display the link to the question (or do nothing if question has no url).
if ($question->qtype == 'random') {
$questionname = $this->random_question($structure, $question, $pageurl);
} else {
$questionname = $this->question_name($structure, $question, $pageurl);
}
// Start the div for the activity title, excluding the edit icons.
$output .= html_writer::start_div('activityinstance');
$output .= $questionname;
// Closing the tag which contains everything but edit icons. Content part of the module should not be part of this.
$output .= html_writer::end_div();
// .activityinstance.
// Action icons.
$questionicons = '';
$input = '<input class="gradeinput" id="inputq' . $question->id . '" type="text" value="' . offlinequiz_format_grade($structure->get_offlinequiz(), $question->maxmark) . '" size="4" tabindex="' . $question->slot . '" name="g' . $question->id . '"/>';
$questionicons .= html_writer::span($input, 'instancemaxmark decimalplaces_' . offlinequiz_get_grade_format($structure->get_offlinequiz()));
// $questionicons .= $this->marked_out_of_field($structure->get_offlinequiz(), $question);
$output .= html_writer::span($questionicons, 'actions');
// Required to add js spinner icon.
// End of indentation div.
$output .= html_writer::end_tag('div');
$output .= html_writer::end_tag('div');
return $output;
}
/**
* Format a number as a percentage out of $offlinequiz->sumgrades
*
* @param number $rawgrade the mark to format.
* @param object $offlinequiz the offlinequiz settings
* @param bool $round whether to round the results ot $offlinequiz->decimalpoints.
*/
function offlinequiz_report_scale_grade($rawmark, $offlinequiz, $round = true)
{
if ($offlinequiz->sumgrades <= 0) {
return '';
}
if (!is_numeric($rawmark)) {
return $rawmark;
}
$mark = $rawmark / $offlinequiz->sumgrades * $offlinequiz->grade;
if ($round) {
$mark = offlinequiz_format_grade($offlinequiz, $mark);
}
return $mark;
}
protected function get_formatted_offlinequiz_info_data($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;
}