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);
}
}
