Swing/TableRowItemCheckBoxes のバックアップ(No.1)

class CheckBoxTable extends JTable {
  private static final int CHECKBOX_COLUMN = 2;
  private transient MouseListener handler;
  private transient ListSelectionListener listener;
  private int checkedIndex = -1;

  protected CheckBoxTable(TableModel model) {
    super(model);
  }

  @Override public void updateUI() {
    addMouseListener(handler);
    getSelectionModel().removeListSelectionListener(listener);
    super.updateUI();
    setSelectionModel(new CheckBoxListSelectionModel());
    handler = new CheckBoxListener();
    addMouseListener(handler);
    listener = e -> {
      if (checkedIndex < 0) { // e.getValueIsAdjusting();
        ListSelectionModel sm = (ListSelectionModel) e.getSource();
        TableModel model = getModel();
        for (int i = 0; i < getRowCount(); i++) {
          model.setValueAt(sm.isSelectedIndex(i), i, CHECKBOX_COLUMN);
        }
      }
    };
    getSelectionModel().addListSelectionListener(listener);
  }

  @Override public Component prepareEditor(TableCellEditor editor, int row, int column) {
    Component c = super.prepareEditor(editor, row, column);
    if (c instanceof JCheckBox) {
      JCheckBox b = (JCheckBox) c;
      boolean selected = getSelectionModel().isSelectedIndex(row);
      b.setBackground(selected ? getBackground() : getSelectionBackground());
      checkedIndex = row;
    } else {
      checkedIndex = -1;
    }
    return c;
  }

  private final class CheckBoxListSelectionModel extends DefaultListSelectionModel {
    @Override public void setSelectionInterval(int anchor, int lead) {
      if (checkedIndex < 0) {
        super.setSelectionInterval(anchor, lead);
      } else {
        EventQueue.invokeLater(() -> {
          if (checkedIndex >= 0 && lead == anchor && checkedIndex == anchor) {
            super.addSelectionInterval(checkedIndex, checkedIndex);
          } else {
            super.setSelectionInterval(anchor, lead);
          }
        });
      }
    }

    @Override public void removeSelectionInterval(int index0, int index1) {
      if (checkedIndex < 0) {
        super.removeSelectionInterval(index0, index1);
      } else {
        EventQueue.invokeLater(() -> super.removeSelectionInterval(index0, index1));
      }
    }
  }

  private final class CheckBoxListener extends MouseAdapter {
    @Override public void mousePressed(MouseEvent e) {
      Component c = e.getComponent();
      if (c instanceof JTable && checkedIndex >= 0) {
        ListSelectionModel sm = ((JTable) c).getSelectionModel();
        if (sm.isSelectedIndex(checkedIndex)) {
          sm.removeSelectionInterval(checkedIndex, checkedIndex);
        } else {
          sm.addSelectionInterval(checkedIndex, checkedIndex);
        }
        c.repaint();
      }
    }
  }
}