if ($subshow >= $subshowl) {
break;
}
}
}
$nsub = 1;
foreach ($subs as $sub) {
$subsn[] = $nsub % $subshow == 0 ? $nsub : '';
$nsub++;
$files_array = $sub->get_submitted_files();
$files = array();
//Used to give stack format last bar has less size
$total_size = 0;
foreach ($files_array as $file) {
$size = strlen($file['data']);
$files[$file['name']] = $size;
$total_size += $size;
}
foreach ($names as $name) {
if (isset($files[$name])) {
$series[$name][] = $total_size;
$total_size -= $files[$name];
} else {
$series[$name][] = $total_size;
}
}
}
}
$user = $DB->get_record('user', array('id' => $userid));
vpl_graph::draw($vpl->get_printable_name() . ' - ' . $vpl->fullname($user, false), get_string('submissions', VPL), get_string("sizeb"), $subsn, $series, $names);
$y_data = array();
$x_data = array();
for ($slice = 0; $slice <= $max_student_time; $slice += $time_slice) {
$y_data[] = 0;
$x_data[] = sprintf($x_format, $slice, $slice + $time_slice);
}
foreach ($times as $time) {
$y_data[(int) ($time / $time_slice)]++;
}
$title = $vpl->get_printable_name();
$n = count($times);
$straveragetime = get_string('averagetime', VPL, sprintf('%3.1f', (double) $total_time / $n));
$straverageperiods = get_string('averageperiods', VPL, sprintf('%3.1f', (double) $total_periods / $n));
$strvmaximumperiod = get_string('maximumperiod', VPL, sprintf('%3.1f', (double) $max_period_time));
$x_title = sprintf('%s - %s - %s - %s', get_string('hours'), $straveragetime, $straverageperiods, $strvmaximumperiod);
$y_title = get_string('defaultcoursestudents');
vpl_graph::draw($title, $x_title, $y_title, $x_data, $y_data, null, true);
} else {
$y_data = vpl_get_working_periods($vpl, $userid);
session_write_close();
$x_data = array();
$hours = 0.0;
for ($i = 0; $i < count($y_data); $i++) {
$x_data[] = $i + 1;
$hours += $y_data[$i];
}
$user = $DB->get_record('user', array('id' => $userid));
$title = sprintf("%s - %s", $vpl->fullname($user, false), get_string('numhours', '', sprintf('%3.2f', $hours)));
$title_x = get_string('workingperiods', VPL) . ' - ' . $vpl->get_printable_name();
vpl_graph::draw($title, $title_x, get_string('hours'), $x_data, $y_data, null, true);
}