void () { super.addFolderGroupComponents(); for (PyRootTypeProvider provider : myRootTypeProviders) { MultiMap<ContentEntry, VirtualFilePointer> roots = provider.getRoots(); Collection<VirtualFilePointer> pointers = roots.get(getContentEntry()); if (!pointers.isEmpty()) { List<ExternalContentFolderRef> folderRefs = ContainerUtil.map(pointers, ExternalContentFolderRef::new); final JComponent sourcesComponent = createFolderGroupComponent(provider.getRootsGroupTitle(), folderRefs, provider.getRootsGroupColor(), null); this.add(sourcesComponent, new GridBagConstraints(0, GridBagConstraints.RELATIVE, 1, 1, 1.0, 0.0, GridBagConstraints.NORTH, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 10, 0), 0, 0)); } } }