dialog.setTitle("Relational attribute Viewer - " + m_CurrentInst.attribute(m_ColumnIndex - 1));
dialog.setTitle( "Relational attribute Viewer - " + ((ArffSortedTableModel) getModel()).getInstances().attribute(m_ColumnIndex - 1).name());
    public RelationalCellEditor(int rowIndex, int columnIndex) {      super();      m_CurrentInst = getInstancesAt(rowIndex, columnIndex);      m_RowIndex    = rowIndex;      m_ColumnIndex = columnIndex;            m_Button = new JButton("...");      m_Button.addActionListener(new ActionListener() {        public void actionPerformed(ActionEvent evt) {          ViewerDialog        dialog;          int                 result;                    dialog = new ViewerDialog(null);          dialog.setTitle("Relational attribute Viewer - " + m_CurrentInst.attribute(m_ColumnIndex - 1));          result = dialog.showDialog(m_CurrentInst);          if (result == ViewerDialog.APPROVE_OPTION) {            m_CurrentInst = dialog.getInstances();            fireEditingStopped();          }          else {            fireEditingCanceled();          }        }      });    }