/**
* Return the current junction row.
*
* Similar to the current() function for arrays in PHP
* Required by interface Iterator.
*
* @return Zend_Db_Table_Row_Abstract current element from the collection
*/
public function currentJunction()
{
// the following block ensures that the order returned by the junction look does not matter
$curMatch = $this->current();
$value = $curMatch[$this->_referenceMap['refColumns'][0]];
// @todo: compound keys
$index = array_search($value, $this->_junctionRowsetIndex);
$this->_junctionRowset->seek($index);
return $this->_junctionRowset->current();
}
/**
* moveSubtree
* @param integer $intNodeId
* @param integer $intDestination
* @param integer $intDestinationDepth
* @author Thomas Schedler <*****@*****.**>
* @version 1.0
*/
private function moveSubtree($intNodeId, $intDestination, $intDestinationDepth)
{
try {
$this->intNodeId = $intNodeId;
$this->loadNodeData();
if ($this->objNodeData instanceof Zend_Db_Table_Rowset_Abstract && count($this->objNodeData) > 0) {
$arrNode = $this->objNodeData->current()->toArray();
$intTreeSize = $arrNode[$this->strDBFRgt] - $arrNode[$this->strDBFLft] + 1;
$this->shiftLRValues($intDestination, $intTreeSize);
if ($arrNode[$this->strDBFLft] >= $intDestination) {
$arrNode[$this->strDBFLft] += $intTreeSize;
$arrNode[$this->strDBFRgt] += $intTreeSize;
}
$intDepthDiff = $intDestinationDepth - $arrNode[$this->strDBFDepth];
$this->shiftLRRange($arrNode[$this->strDBFLft], $arrNode[$this->strDBFRgt], $intDestination - $arrNode[$this->strDBFLft], $intDepthDiff);
$this->shiftLRValues($arrNode[$this->strDBFRgt] + 1, -$intTreeSize);
}
} catch (Exception $exc) {
$this->core->logger->err($exc);
}
}
