protected function _getSiblingRows()
{
if (!isset($this->_siblingRows)) {
$this->_siblingRows = array();
foreach ($this->_model->getSiblingModels() as $k => $m) {
if ($m instanceof Kwf_Model_SubModel_Interface) {
$r = $m->getRowBySiblingRow($this);
} else {
$ref = $m->getReferenceByModelClass(get_class($this->_model), $k);
$r = null;
if ($this->{$this->_getPrimaryKey()}) {
$r = $m->getRow(array('equals' => array($ref['column'] => $this->{$this->_getPrimaryKey()})));
}
if (!$r) {
$r = $m->createRow();
$r->{$ref['column']} = $this->{$this->_getPrimaryKey()};
}
}
$this->_siblingRows[$k] = $r;
}
}
return $this->_siblingRows;
}