private PackagingElementNode<?> getParentNode(final LayoutTreeSelection selection) { final PackagingElementNode<?> node = selection.getNodeIfSingle(); if (node != null) { if (node.getFirstElement() instanceof CompositePackagingElement) { return node; } final PackagingElementNode<?> parent = node.getParentNode(); if (parent != null) { return parent; } } return myTree.getRootPackagingNode(); }