/**
* Removes a node.
*
* @param NodeInterface $node - Node.
*
* @return NodeInterface
*/
public function removeNode(NodeInterface $node) : NodeInterface
{
unset($this->_nodes[$node->getId()]);
if ($this->getParent()) {
$this->getParent()->removeNode($node);
}
return $this;
}
public function generateNodeRelationsCode(NodeInterface $node)
{
$children = $node->getChildren();
if (!$children) {
return '';
}
$code = '';
/** @var NodeInterface $child */
foreach ($children as $child) {
$code .= ' ' . $node->getId() . ' -> ' . $child->getId();
$relationsAttributes = $node->getMetadataAttr('graphviz.relationsAttributes.' . $child->getId(), []);
if ($relationsAttributes) {
$code .= ' [';
foreach ($relationsAttributes as $k => $v) {
$code .= $k . '=' . $v . ',';
}
$code = substr($code, 0, -1) . ']';
}
$code .= ';' . PHP_EOL;
}
return $code;
}
