void () { myTree.setRootVisible(false); myTree.setShowsRootHandles(false); boolean hasFacetTypeNodes = false; for (FacetType<?,?> facetType : FacetTypeRegistry.getInstance().getFacetTypes()) { if (ProjectFacetManager.getInstance(myProject).hasFacets(facetType.getId())) { hasFacetTypeNodes = true; addFacetTypeNode(facetType); } } if (!InvalidFacetManager.getInstance(myProject).getInvalidFacets().isEmpty()) { hasFacetTypeNodes = true; addFacetTypeNode(InvalidFacetType.getInstance()); } if (!hasFacetTypeNodes) { String title = JavaUiBundle.message("no.facets.are.configured"); addNode(new MyNode(new TextConfigurable<>(title, title, JavaUiBundle.message("project.facets.display.name"), JavaUiBundle.message("text.press.button.to.add.new.facet"), null)), myRoot); } addNode(new MyNode(new FrameworkDetectionConfigurable(myProject)), myRoot); }