/**
* Process positions of old parent cmspage children and new parent cmspage children.
* Get position for moved cmspage
*
* @access protected
* @param Ibrams_CmsExtended_Model_Cmspage $cmspage
* @param Ibrams_CmsExtended_Model_Cmspage $newParent
* @param null|int $afterCmspageId
* @return int
* @author Ultimate Module Creator
*/
protected function _processPositions($cmspage, $newParent, $afterCmspageId)
{
$table = $this->getMainTable();
$adapter = $this->_getWriteAdapter();
$positionField = $adapter->quoteIdentifier('position');
$bind = array('position' => new Zend_Db_Expr($positionField . ' - 1'));
$where = array('parent_id = ?' => $cmspage->getParentId(), $positionField . ' > ?' => $cmspage->getPosition());
$adapter->update($table, $bind, $where);
/**
* Prepare position value
*/
if ($afterCmspageId) {
$select = $adapter->select()->from($table, 'position')->where('entity_id = :entity_id');
$position = $adapter->fetchOne($select, array('entity_id' => $afterCmspageId));
$bind = array('position' => new Zend_Db_Expr($positionField . ' + 1'));
$where = array('parent_id = ?' => $newParent->getId(), $positionField . ' > ?' => $position);
$adapter->update($table, $bind, $where);
} elseif ($afterCmspageId !== null) {
$position = 0;
$bind = array('position' => new Zend_Db_Expr($positionField . ' + 1'));
$where = array('parent_id = ?' => $newParent->getId(), $positionField . ' > ?' => $position);
$adapter->update($table, $bind, $where);
} else {
$select = $adapter->select()->from($table, array('position' => new Zend_Db_Expr('MIN(' . $positionField . ')')))->where('parent_id = :parent_id');
$position = $adapter->fetchOne($select, array('parent_id' => $newParent->getId()));
}
$position += 1;
return $position;
}
