public function createTree(&$openBranch)
{
$treeUtils = new TreeUtils();
$treeUtils->openBranch($this->mainTree, $openBranch);
$mainDiv = new Ul();
$mainDiv->addStyleClasses(["tree", "f-16"]);
$this->treeLevel = 0;
$tree = $this->createRootNode();
$tree->childrens = array_merge($tree->childrens, $this->mainTree->childrens);
$this->treeProcess($tree, $mainDiv, $openBranch);
$arr = $treeUtils->getTreeLeafes($this->mainTree);
return $mainDiv;
}
