Swing/PropertyTable のバックアップ(No.2)

String[] columnNames = {"Type", "Value"};
Object[][] data = {
  {"String",  "text"    },
  {"Date",  new Date()  },
  {"Integer", 12      },
  {"Double",  3.45    },
  {"Boolean", Boolean.TRUE},
  {"Color",   Color.RED   }
};
JTable table = new JTable(data, columnNames) {
  private Class editingClass;
  private Class getClassAt(int row, int column) {
    int mc = convertColumnIndexToModel(column);
    int mr = convertRowIndexToModel(row);
    return getModel().getValueAt(mr, mc).getClass();
  }
  @Override public TableCellRenderer getCellRenderer(int row, int column) {
    //editingClass = null;
    if(convertColumnIndexToModel(column)==1) {
      //System.out.println("getCellRenderer");
      return getDefaultRenderer(getClassAt(row, column));
    }else{
      return super.getCellRenderer(row, column);
    }
  }
  @Override public TableCellEditor getCellEditor(int row, int column) {
    if(convertColumnIndexToModel(column)==1) {
      //System.out.println("getCellEditor");
      editingClass = getClassAt(row, column);
      return getDefaultEditor(editingClass);
    }else{
      editingClass = null;
      return super.getCellEditor(row, column);
    }
  }
  // http://stackoverflow.com/questions/1464691/property-list-gui-component-in-swing
  // This method is also invoked by the editor when the value in the editor
  // component is saved in the TableModel. The class was saved when the
  // editor was invoked so the proper class can be created.
  @Override public Class getColumnClass(int column) {
    //return editingClass != null ? editingClass : super.getColumnClass(column);
    if(convertColumnIndexToModel(column)==1) {
      //System.out.println("getColumnClass");
      return editingClass;
    }else{
      return super.getColumnClass(column);
    }
  }
};
table.setAutoCreateRowSorter(true);
table.setDefaultRenderer(Color.class, new ColorRenderer());
table.setDefaultEditor(Color.class,   new ColorEditor());
table.setDefaultEditor(Date.class,  new DateEditor());