/**
* @see Tx_PtExtbase_Tree_TreeWalkerVisitorInterface::doFirstVisit()
*
* @param Tx_PtExtbase_Tree_NodeInterface $node
* @param integer &$index Holds the visitation index of treewalker
* @param integer &$level Holds level of visitation in tree, starting at 1
*/
public function doFirstVisit(Tx_PtExtbase_Tree_NodeInterface $node, &$index, &$level)
{
$nodeUid = $node->getUid();
$metadata = '';
$arrayForNode = array('data' => $node->getLabel(), 'attr' => array('id' => $node->getUid(), 'data-meta' => trim($metadata), 'disabled' => !$node->isAccessible()), 'children' => array());
$this->nodeStack->push($arrayForNode);
}
/**
* Updates a given node if it has already been added to repository or adds it.
*
* @param Tx_PtExtbase_Tree_NodeInterface $node
*/
public function updateOrAdd(Tx_PtExtbase_Tree_NodeInterface $node)
{
if ($node->getUid() === null || $node->getUid() < 0) {
// UID of node < 0 means, node has not yet been persisted!
$node->markAsNew();
$this->add($node);
} else {
// UID of node > 0 means, node has been persisted before!
$this->update($node);
}
}
/**
* @see Tx_PtExtbase_Tree_TreeWalkerVisitorInterface::doFirstVisit()
*
* @param Tx_PtExtbase_Tree_NodeInterface $node
* @param integer &$index Holds the visitation index of treeWalker
* @param integer &$level Holds level of visitation in tree, starting at 1
* @throws Exception
*/
public function doFirstVisit(Tx_PtExtbase_Tree_NodeInterface $node, &$index, &$level)
{
$arrayForNode = array('id' => $node->getUid(), 'text' => $node->getLabel(), 'children' => array(), 'leaf' => !$node->hasChildren(), 'cls' => $node->isAccessible() ? '' : 'disabled');
$this->setSelectionOnNodeArray($node, $arrayForNode);
if ($this->firstVisitCallback) {
$return = call_user_func(array($this->firstVisitCallback['target'], $this->firstVisitCallback['method']), $node, $arrayForNode);
if ($return === false) {
throw new Exception('It was not possible to call ' . get_class($this->firstVisitCallback['target']) . '::' . $this->firstVisitCallback['method'], 1328468070);
} else {
$arrayForNode = $return;
}
}
$this->nodeStack->push($arrayForNode);
}
/**
* @see Tx_PtExtbase_Tree_TreeWalkerVisitorInterface::doFirstVisit()
*
* @param Tx_PtExtbase_Tree_NodeInterface $node
* @param integer &$index Holds the visitation index of treewalker
* @param integer &$level Holds level of visitation in tree, starting at 1
*/
public function doFirstVisit(Tx_PtExtbase_Tree_NodeInterface $node, &$index, &$level)
{
$arrayForNode = array('uid' => $node->getUid(), 'label' => $node->getLabel(), 'children' => array(), 'disabled' => !$node->isAccessible());
$this->nodeStack->push($arrayForNode);
}
/**
* Helper method for doing a depth-first search on a node
*
* @param Tx_PtExtbase_Tree_NodeInterface $node
* @param integer &$index Referenced value of visitation index. Will be increased with every node visitation.
* @param integer &$level Current level of visit in the tree starting at 1
*/
protected function dfs(Tx_PtExtbase_Tree_NodeInterface $node, &$index, &$level = 1)
{
if ($node->isAccessible() || $this->treeContext->isWritable()) {
$this->doFirstVisit($node, $index, $level);
$index = $index + 1;
if ($node->getChildrenCount() > 0) {
$level = $level + 1;
if ($this->restrictedDepth === -1 || $level <= $this->restrictedDepth) {
foreach ($node->getChildren() as $child) {
/* @var $child Tx_PtExtbase_Tree_NodeInterface */
$this->dfs($child, $index, $level);
}
}
$level = $level - 1;
}
$this->doLastVisit($node, $index, $level);
$index = $index + 1;
}
}
/**
* Sets namespace of given tree on given node
*
* @param Tx_PtExtbase_Tree_NestedSetTreeInterface $tree
* @param Tx_PtExtbase_Tree_NodeInterface $node
* @throws Exception
*/
protected function setTreeNamespaceOnNode(Tx_PtExtbase_Tree_NestedSetTreeInterface $tree, Tx_PtExtbase_Tree_NodeInterface $node)
{
$namespace = $tree->getNamespace();
if ($namespace !== null && $namespace !== '') {
$node->setNamespace($namespace);
} else {
throw new Exception('Trying to store a node of a tree that has no namespace set! Namespace is required on a tree to be stored! 1327756309');
}
}
/**
* @see Tx_PtExtbase_Tree_TreeWalkerVisitorInterface::doLastVisit()
*
* @param Tx_PtExtbase_Tree_NodeInterface $node
* @param integer &$index Holds the visitation index of treewalker
* @param integer &$level Holds level of visitation in tree, starting at 1
*/
public function doLastVisit(Tx_PtExtbase_Tree_NodeInterface $node, &$index, &$level)
{
$node->setRgt($index);
$this->visitedNodes[] = $node;
}
