void updateFileColor(@NotNull final VirtualFile file) { final Collection<EditorWindow> windows = findWindows(file); for (final EditorWindow window : windows) { final int index = window.findEditorIndex(window.findFileComposite(file)); LOG.assertTrue(index != -1); window.setForegroundAt(index, getManager().getFileColor(file)); window.setWaveColor(index, getManager().isProblem(file) ? JBColor.red : null); } }