/**
* Retrieves the data for the node $node from the data store and assigns it
* to the node's 'data' property.
*
* @param ezcTreeNode $node
*/
public function fetchDataForNode(ezcTreeNode $node)
{
$id = $node->id;
$elem = $this->dom->getElementById("{$node->tree->prefix}{$id}");
$dataElem = $elem->getElementsByTagNameNS('http://components.ez.no/Tree/data', 'data')->item(0);
if ($dataElem === null || (string) $dataElem->parentNode->getAttribute('id') !== "{$node->tree->prefix}{$id}") {
throw new ezcTreeDataStoreMissingDataException($node->id);
}
$node->injectData($dataElem->firstChild->data);
$node->dataFetched = true;
}
private function addChildren(ezcTreeNode $node, array $children)
{
foreach ($children as $name => $child) {
if (is_array($child)) {
$newNode = $node->tree->createNode($name, $name);
$node->addChild($newNode);
$this->addChildren($newNode, $child);
} else {
$newNode = $node->tree->createNode($child, $child);
$node->addChild($newNode);
}
}
}
/**
* Copies all the children of node $fromNode to node $toNode recursively.
*
* This method copies all children recursively from $fromNode to $toNode.
* The $fromNode belongs to the $from tree and the $toNode to the $to tree.
* Data associated with the nodes is copied as well from the store
* associated with the $from tree to the $to tree.
*
* @param ezcTree $from
* @param ezcTree $to
* @param ezcTreeNode $fromNode
* @param ezcTreeNode $toNode
*/
private static function copyChildren(ezcTree $from, ezcTree $to, ezcTreeNode $fromNode, ezcTreeNode $toNode)
{
$children = $fromNode->fetchChildren();
foreach (new ezcTreeNodeListIterator($from, $children, true) as $childNodeKey => $childNodeData) {
$fromChildNode = $from->fetchNodeById($childNodeKey);
$toChildNode = new ezcTreeNode($to, $childNodeKey, $childNodeData);
$toNode->addChild($toChildNode);
self::copyChildren($from, $to, $fromChildNode, $toChildNode);
}
}
/**
* Retrieves the data for the node $node from the data store and assigns it
* to the node's 'data' property.
*
* @param ezcTreeNode $node
*/
public function fetchDataForNode(ezcTreeNode $node)
{
$db = $this->dbHandler;
$q = $db->createSelectQuery();
$id = $node->id;
$q->select('*')->from($db->quoteIdentifier($this->table))->where($q->expr->eq($db->quoteIdentifier($this->idField), $q->bindValue($id)));
$s = $q->prepare();
$s->execute();
$result = $s->fetch(PDO::FETCH_ASSOC);
if (!$result) {
throw new ezcTreeDataStoreMissingDataException($node->id);
}
$node->injectData($this->filterDataFromResult($result));
$node->dataFetched = true;
}
