public function addAction(BASE_ContextAction $action)
{
if ($action->getParentKey() == null) {
$this->actions[$action->getKey()]['action'] = $action;
} else {
if (!empty($this->actions[$action->getParentKey()])) {
$this->actions[$action->getParentKey()]['subactions'][$action->getKey()] = $action;
}
}
if ($action->getOrder() === null) {
$order = $action->getParentKey() === null ? count($this->actions) : count($this->actions[$action->getParentKey()]['subactions']);
$action->setOrder($order);
}
}