getFishboneTopNode method

IMindMapNode? getFishboneTopNode()

Implementation

IMindMapNode? getFishboneTopNode() {
  IMindMapNode? result;
  IMindMapNode? parentNode = getParentNode();
  while (parentNode != null) {
    if (parentNode.getParentNode()?.getNodeType() == NodeType.root) {
      result = parentNode;
      break;
    }
    parentNode = parentNode.getParentNode();
  }
  return result;
}