/**
* _storeInternalFields(): Manipulate _primaryTableRow to preserve the
* nested set property.
*
* @return int The primary id of the created row.
*/
public function _storeInternalFields()
{
if (is_null($this->getRoleId())) {
throw new Exception("RoleId must be set when storing Collection!");
}
if ($this->isNewRecord()) {
$nested_sets = $this->_primaryTableRow->getTable();
// Insert new node into the tree. The position is specified by
// PositionKey = { root, First-/LastChild, Next-/PrevSibling }
// PositionId = { roleId, ParentId, SiblingId }
$position_key = $this->getPositionKey();
$position_id = $this->getPositionId();
if (false === isset($position_key)) {
throw new Exception('PositionKey must be set!');
}
$data = null;
switch ($position_key) {
case 'FirstChild':
$data = $nested_sets->insertFirstChild($position_id);
break;
case 'LastChild':
$data = $nested_sets->insertLastChild($position_id);
break;
case 'NextSibling':
$data = $nested_sets->insertNextSibling($position_id);
break;
case 'PrevSibling':
$data = $nested_sets->insertPrevSibling($position_id);
break;
case 'Root':
$data = $nested_sets->createRoot();
break;
default:
throw new Exception("PositionKey({$position_key}) invalid.");
}
// var_dump($data);
// Dirty fix: After storing the nested set information, the row
// has still the old information. But we need the role_id in
// many other places!
// $this->setRoleId( $data['role_id'] );
// Store nested set information in current table row.
$this->_primaryTableRow->setFromArray($data);
}
// var_dump( $this->_primaryTableRow );
return parent::_storeInternalFields();
}
