public function getChildren($field = null)
{
// If the request is in Live Preview mode, use the Neo-extended criteria model, which supports Live Preview mode
if (craft()->neo->isPreviewMode()) {
if (!isset($this->_liveCriteria['children'])) {
$this->_liveCriteria['children'] = $this->getDescendants(1);
}
return $this->_liveCriteria['children'];
}
return parent::getChildren($field);
}