/**
* Change ordering of the displayed messages and apply threading.
*
* @param int $parent Parent Id.
* @param array $indent Indent for the current object.
*
* @return array
*/
protected function getThreadedOrdering($parent = 0, $indent = array())
{
$list = array();
if (count($indent) == 1 && $this->topic->getTotal() > $this->pagination->limitstart + $this->pagination->limit) {
$last = -1;
} else {
$last = end($this->threaded[$parent]);
}
foreach ($this->threaded[$parent] as $mesid) {
$message = $this->messages[$mesid];
$skip = $message->id != $this->topic->first_post_id && $message->parent != $this->topic->first_post_id && !isset($this->messages[$message->parent]);
if ($mesid != $last) {
// Default sibling edge
$indent[] = 'crossedge';
} else {
// Last sibling edge
$indent[] = 'lastedge';
}
end($indent);
$key = key($indent);
if ($skip) {
$indent[] = 'gap';
}
$list[$mesid] = $this->messages[$mesid];
$list[$mesid]->indent = $indent;
if (empty($this->threaded[$mesid])) {
// No children node
// FIXME: $mesid == $message->thread
$list[$mesid]->indent[] = $mesid == $message->thread ? 'single' : 'leaf';
} else {
// Has children node
// FIXME: $mesid == $message->thread
$list[$mesid]->indent[] = $mesid == $message->thread ? 'root' : 'node';
}
if (!empty($this->threaded[$mesid])) {
// Fix edges
if ($mesid != $last) {
$indent[$key] = 'edge';
} else {
$indent[$key] = 'empty';
}
if ($skip) {
$indent[$key + 1] = 'empty';
}
$list += $this->getThreadedOrdering($mesid, $indent);
}
if ($skip) {
array_pop($indent);
}
array_pop($indent);
}
return $list;
}