@Override
  protected JComponent createCenterPanel() {
    final Box box = Box.createVerticalBox();
    setupTable();

    myTableModel.addTableModelListener(e -> handleChanges());

    TableUtil.setupCheckboxColumn(myTable, CHECK_COLUMN);
    setupOldNameColumn();
    setupNewNameColumn();

    myValidatingComponent = new ValidatingComponent<JComponent>() {
      @Override
      protected JComponent createMainComponent() {
        return ScrollPaneFactory.createScrollPane(myTable);
      }
    };

    myValidatingComponent.doInitialize();

    box.add(myValidatingComponent);
    final Box buttonBox = Box.createHorizontalBox();
    buttonBox.add(Box.createHorizontalGlue());
    final JButton selectAllButton = new JButton(RefactoringBundle.message("select.all.button"));
    buttonBox.add(selectAllButton);
    buttonBox.add(Box.createHorizontalStrut(4));
    final JButton deselectAllButton = new JButton(RefactoringBundle.message("unselect.all.button"));
    buttonBox.add(deselectAllButton);
    selectAllButton.addActionListener(e -> {
      for (int i = 0; i < getElementCount(); i++) {
        myShouldRename[i] = true;
      }
      myTableModel.fireTableDataChanged();
    });

    deselectAllButton.addActionListener(e -> {
      for (int i = 0; i < getElementCount(); i++) {
        myShouldRename[i] = false;
      }
      myTableModel.fireTableDataChanged();
    });
    box.add(Box.createVerticalStrut(4));
    box.add(buttonBox);
    box.add(Box.createVerticalStrut(4));

    return box;
  }
@Override
  protected JComponent createCenterPanel()