function get_group_children_tree($root_id = null, $root_name = null, $inclusive = true)
{
global $database;
$tree = gacl_api::_getBelow('#__core_acl_aro_groups', 'g1.group_id, g1.name, COUNT(g2.name) AS level', 'g1.name', $root_id, $root_name, $inclusive);
// first pass get level limits
$n = count($tree);
$min = $tree[0]->level;
$max = $tree[0]->level;
for ($i = 0; $i < $n; $i++) {
$min = min($min, $tree[$i]->level);
$max = max($max, $tree[$i]->level);
}
$indents = array();
foreach (range($min, $max) as $i) {
$indents[$i] = ' ';
}
// correction for first indent
$indents[$min] = '';
$list = array();
for ($i = $n - 1; $i >= 0; $i--) {
$shim = '';
foreach (range($min, $tree[$i]->level) as $j) {
$shim .= $indents[$j];
}
if (@$indents[$tree[$i]->level + 1] == '. ') {
$twist = ' ';
} else {
$twist = "- ";
}
//$list[$i] = $tree[$i]->level.$shim.$twist.$tree[$i]->name;
$list[$i] = mosHTML::makeOption($tree[$i]->group_id, $shim . $twist . $tree[$i]->name);
if ($tree[$i]->level < @$tree[$i - 1]->level) {
$indents[$tree[$i]->level + 1] = '. ';
}
}
ksort($list);
return $list;
}
