/*
  * (non-Javadoc)
  *
  * @see org.eclipse.gef.commands.Command#undo()
  */
 @Override
 public void undo() {
   tableEntriesManager.remove(varTableEntry, false);
 }
  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.gef.commands.Command#execute()
   */
  @Override
  public void execute() {

    tableEntriesManager.addTableEntry(varTableEntry, index);
  }