/**
* adjust_grades_in_rawdata
*
* this function adjusts the grade values
*
* @param xxx $table (passed by reference)
* @return xxx
*/
function adjust_grades_in_rawdata(&$table)
{
if (empty($table->rawdata)) {
return false;
// no records
}
if (!$table->has_column('grade')) {
return false;
// no grade column
}
if (empty($table->column_suppress) || empty($table->column_suppress['grade'])) {
return false;
// grade column is not suppressed (i.e. it is always printed)
}
$userid = 0;
$grade = 0;
$prefix = '';
foreach ($table->rawdata as $id => $record) {
if ($userid) {
if ($userid == $record->userid) {
// same user - do nothing
} else {
if ($grade == $record->grade) {
// oops, same grade as previous user - we must adjust the grade value,
// so that "print_row()" (lib/tablelib.php) does not suppress this grade
if ($prefix) {
$prefix = '';
} else {
// add an empty span tag to make grade different from previous user's
$prefix = html_writer::tag('span', '');
}
} else {
// different grade from previous user, so we can unset the prefix
$prefix = '';
}
}
if ($prefix) {
$table->rawdata[$id]->grade = $prefix . $table->rawdata[$id]->grade;
}
}
$userid = $record->userid;
$grade = $record->grade;
}
}
