/**
* Show statistics
* @param string $title The title
* @param array $stats
* @param bool $show_total
* @param bool $is_file_size
*/
static function print_stats($title, $stats, $show_total = true, $is_file_size = false)
{
$total = 0;
$data = Statistics::rescale($stats);
echo '<table class="data_table" cellspacing="0" cellpadding="3">
<tr><th colspan="' . ($show_total ? '4' : '3') . '">' . $title . '</th></tr>';
$i = 0;
foreach ($stats as $subtitle => $number) {
$total += $number;
}
foreach ($stats as $subtitle => $number) {
if (!$is_file_size) {
$number_label = number_format($number, 0, ',', '.');
} else {
$number_label = Statistics::make_size_string($number);
}
$percentage = $total > 0 ? number_format(100 * $number / $total, 1, ',', '.') : '0';
echo '<tr class="row_' . ($i % 2 == 0 ? 'odd' : 'even') . '">
<td width="150">' . $subtitle . '</td>
<td width="550">' . Display::bar_progress($percentage, false) . '</td>
<td align="right">' . $number_label . '</td>';
if ($show_total) {
echo '<td align="right"> ' . $percentage . '%</td>';
}
echo '</tr>';
$i++;
}
if ($show_total) {
if (!$is_file_size) {
$total_label = number_format($total, 0, ',', '.');
} else {
$total_label = Statistics::make_size_string($total);
}
echo '<tr><th colspan="4" align="right">' . get_lang('Total') . ': ' . $total_label . '</td></tr>';
}
echo '</table>';
}
/**
* Function used by SortableTable to generate the data to display
*/
function get_table_data($from = 1, $per_page = null, $column = null, $direction = null, $sort = null)
{
$is_western_name_order = api_is_western_name_order();
$scoredisplay = ScoreDisplay::instance();
// determine sorting type
$col_adjust = $this->iscourse == '1' ? 1 : 0;
switch ($this->column) {
// first name or last name
case 0 + $col_adjust:
if ($is_western_name_order) {
$sorting = ResultsDataGenerator::RDG_SORT_FIRSTNAME;
} else {
$sorting = ResultsDataGenerator::RDG_SORT_LASTNAME;
}
break;
// first name or last name
// first name or last name
case 1 + $col_adjust:
if ($is_western_name_order) {
$sorting = ResultsDataGenerator::RDG_SORT_LASTNAME;
} else {
$sorting = ResultsDataGenerator::RDG_SORT_FIRSTNAME;
}
break;
//Score
//Score
case 2 + $col_adjust:
$sorting = ResultsDataGenerator::RDG_SORT_SCORE;
break;
case 3 + $col_adjust:
$sorting = ResultsDataGenerator::RDG_SORT_MASK;
break;
}
if ($this->direction == 'DESC') {
$sorting |= ResultsDataGenerator::RDG_SORT_DESC;
} else {
$sorting |= ResultsDataGenerator::RDG_SORT_ASC;
}
$data_array = $this->datagen->get_data($sorting, $from, $this->per_page);
// generate the data to display
$sortable_data = array();
foreach ($data_array as $item) {
$row = array();
if ($this->iscourse == '1') {
$row[] = $item['result_id'];
}
if ($is_western_name_order) {
$row[] = $item['firstname'];
$row[] = $item['lastname'];
} else {
$row[] = $item['lastname'];
$row[] = $item['firstname'];
}
$row[] = Display::bar_progress($item['percentage_score'], false, $item['score']);
//$row[] = Display::bar_progress($item['percentage_score'], true);
if ($scoredisplay->is_custom()) {
$row[] = $item['display'];
}
if (!$this->forprint) {
$row[] = $this->build_edit_column($item);
}
$sortable_data[] = $row;
}
return $sortable_data;
}
$data[$id]['attempts'] = Display::bar_progress($percentange, false, $count . ' / ' . $count_students);
break;
default:
if ($answer_id == 1) {
$data[$id]['name'] = cut($question_obj->question, 100);
} else {
$data[$id]['name'] = '-';
}
$data[$id]['answer'] = $answer_info;
$data[$id]['correct'] = $correct_answer;
$count = get_number_students_answer_count($real_answer_id, $question_id, $exercise_id, $courseCode, $sessionId);
$percentange = 0;
if (!empty($count_students)) {
$percentange = $count / $count_students * 100;
}
$data[$id]['attempts'] = Display::bar_progress($percentange, false, $count . ' / ' . $count_students);
}
$id++;
}
}
}
// Format A table
$table = new HTML_Table(array('class' => 'data_table'));
$row = 0;
$column = 0;
foreach ($headers as $header) {
$table->setHeaderContents($row, $column, $header);
$column++;
}
$row++;
foreach ($data as $row_table) {
$nr_items[$display]++;
$resultcount++;
}
}
$keys = array_keys($nr_items);
// find the region with the most scores, this is 100% of the bar
$highest_ratio = 0;
foreach ($keys as $key) {
if ($nr_items[$key] > $highest_ratio) {
$highest_ratio = $nr_items[$key];
}
}
// Generate table
$stattable = '<table class="data_table" cellspacing="0" cellpadding="3">';
$stattable .= '<tr><th>' . get_lang('ScoringSystem') . '</th>';
$stattable .= '<th>' . get_lang('Percentage') . '</th>';
$stattable .= '<th>' . get_lang('CountUsers') . '</th>';
//$stattable .= '<th>' . get_lang('Statistics') . '</th></tr>';
$counter = 0;
foreach ($keys as $key) {
$bar = $highest_ratio > 0 ? $nr_items[$key] / $highest_ratio * 100 : 0;
$stattable .= '<tr class="row_' . ($counter % 2 == 0 ? 'odd' : 'even') . '">';
$stattable .= '<td width="150">' . $key . '</td>';
$stattable .= '<td width="550">' . Display::bar_progress($bar) . '</td>';
$stattable .= '<td align="right">' . $nr_items[$key] . '</td>';
$counter++;
}
$stattable .= '</tr></table>';
echo $stattable;
}
Display::display_footer();
/**
* Display a score according to the current settings
* @param array $score data structure, as returned by the calc_score functions
* @param int $type one of the following constants:
* SCORE_DIV, SCORE_PERCENT, SCORE_DIV_PERCENT, SCORE_AVERAGE
* (ignored for student's view if custom score display is enabled)
* @param int $what one of the following constants:
* SCORE_BOTH, SCORE_ONLY_DEFAULT, SCORE_ONLY_CUSTOM (default: SCORE_BOTH)
* (only taken into account if custom score display is enabled and for course/platform admin)
*
* @return string
*/
public function display_score($score, $type = SCORE_DIV_PERCENT, $what = SCORE_BOTH, $no_color = false)
{
$my_score = $score == 0 ? 1 : $score;
if ($type == SCORE_BAR) {
$percentage = $my_score[0] / $my_score[1] * 100;
return Display::bar_progress($percentage);
}
if ($type == SCORE_SIMPLE) {
$simple_score = $this->format_score($my_score[0]);
return $simple_score;
}
if ($this->custom_enabled && isset($this->custom_display_conv)) {
$display = $this->display_default($my_score, $type);
} else {
// if no custom display set, use default display
$display = $this->display_default($my_score, $type);
}
if ($this->coloring_enabled && $no_color == false) {
$my_score_denom = isset($score[1]) && !empty($score[1]) ? $score[1] : 1;
$scoreCleaned = isset($score[0]) ? $score[0] : 0;
if ($scoreCleaned / $my_score_denom < $this->color_split_value / 100) {
$display = Display::tag('font', $display, array('color' => 'red'));
}
}
return $display;
}
