/**
* Loads all children of the given tree item list recursively.
*
* @param TreeItem[] $treeItems A list of tree items to load it's children.
* @param array $compositions The compositions list to load the children from.
* @param string $compositionName The name of the relation.
* @param TreeItem $parentItem The parent TreeItem.
* @param int $maxDepth The maximum depth of the tree.
* @param int $depth The actual depth of the tree.
*
* @return TreeItem[] A list of tree items of the actual node.
*
* @author Nicolas Pecher
* @version
* Version 0.1. 23.04.2012
*/
protected function loadChildTreeItems(array $treeItems, array $compositions, $compositionName, TreeItem $parentItem, $maxDepth, $depth = 0)
{
$layer = [];
if ($maxDepth === 0 || $depth <= $maxDepth) {
foreach ($treeItems as $treeItem) {
foreach ($compositions as $composition) {
if ($composition[$this->relationTable[$compositionName]['TargetID']] === $treeItem->getObjectId() && $composition[$this->relationTable[$compositionName]['SourceID']] === $parentItem->getObjectId()) {
$cDepth = $depth + 1;
$childItems = $this->loadChildTreeItems($treeItems, $compositions, $compositionName, $treeItem, $maxDepth, $cDepth);
$treeItem->setParentItem($parentItem);
$treeItem->addChildren($childItems);
$layer[] = $treeItem;
break;
}
}
}
}
return $layer;
}
