/**
* Updated items children.
*/
protected function updateChildren()
{
$children = $this->manager->getChildren($this->item->name);
$childrenNames = array_keys($children);
if (is_array($this->children)) {
// remove children that
foreach (array_diff($childrenNames, $this->children) as $item) {
$this->manager->removeChild($this->item, $children[$item]);
}
// add new children
foreach (array_diff($this->children, $childrenNames) as $item) {
$this->manager->addChild($this->item, $this->manager->getItem($item));
}
} else {
$this->manager->removeChildren($this->item);
}
}