private EditorCell findTarget(EditorComponent editorComponent) {
   Selection selection = editorComponent.getSelectionManager().getSelection();
   if (selection == null) {
     return null;
   }
   List<EditorCell> selectedCells = selection.getSelectedCells();
   EditorCell cell = selectedCells.get(selectedCells.size() - 1);
   return cell.getEndCell(CellConditions.SELECTABLE);
 }