if( tableHistoryViewer.getControl().isFocusControl()) { return tableHistoryViewer.getSelection(); } else { return changePathsViewer.getSelection(); }
return selection;
    private ISelection getSelection() {      if( tableHistoryViewer.getControl().isFocusControl()) {        return tableHistoryViewer.getSelection();      } else {        return changePathsViewer.getSelection();      }    }