private void linkedModeLeft() {
    fgActiveLinkedMode = null;
    if (fInfoPopup != null) {
      fInfoPopup.close();
    }

    ISourceViewer viewer = fEditor.getViewer();
    if (viewer instanceof IEditingSupportRegistry) {
      IEditingSupportRegistry registry = (IEditingSupportRegistry) viewer;
      registry.unregister(fFocusEditingSupport);
    }
  }
 private void openSecondaryPopup() {
   fInfoPopup = new RenameInformationPopup(fEditor, this);
   fInfoPopup.open();
 }