private void updateColorPanel(@Nullable FileStatusColorDescriptor descriptor) {
    if (descriptor == null) {
       myColorSettingsPanel.setVisible(false);
    }
    else {
      myColorSettingsPanel.setVisible(true);
      myFileStatusColorBox.setSelected(descriptor.getColor() != null);
      myRestoreButton.setEnabled(!descriptor.isDefault());
      myColorPanel.setSelectedColor(descriptor.getColor());
    }
  }
private void updateColorPanel(@Nullable FileStatusColorDescriptor descriptor)