How to use

setHorizontalAlignment

method

in

javax.swing.table.DefaultTableCellRenderer

 private static class HeaderRenderer implements TableCellRenderer {

  DefaultTableCellRenderer renderer;

  public HeaderRenderer(JTable table) {
    renderer = (DefaultTableCellRenderer)
      table.getTableHeader().getDefaultRenderer();
    renderer.setHorizontalAlignment(JLabel.CENTER);
  }

  @Override
  public Component getTableCellRendererComponent(
    JTable table, Object value, boolean isSelected,
    boolean hasFocus, int row, int col) {
    return renderer.getTableCellRendererComponent(
      table, value, isSelected, hasFocus, row, col);
  }
}

 DefaultTableCellRenderer rightRenderer = new DefaultTableCellRenderer();
rightRenderer.setHorizontalAlignment(SwingConstants.RIGHT);
table.getColumnModel().getColumn(???).setCellRenderer(rightRenderer);

 DefaultTableCellRenderer centerRenderer = new DefaultTableCellRenderer();
centerRenderer.setHorizontalAlignment( JLabel.CENTER );
table.getColumnModel().getColumn(0).setCellRenderer( centerRenderer );

 DefaultTableCellRenderer centerRenderer = new DefaultTableCellRenderer();
centerRenderer.setHorizontalAlignment( JLabel.CENTER );
table.setDefaultRenderer(String.class, centerRenderer);

 DefaultTableCellRenderer rightRenderer = new DefaultTableCellRenderer();
rightRenderer.setHorizontalAlignment(JLabel.RIGHT);
table.getColumnModel().getColumn(4).setCellRenderer(rightRenderer);

private void showHistory() {
 if (historyFrame == null) {
  historyFrame = new JFrame("Statistics History");
 } else {
  historyFrame.setVisible(false);
  historyFrame= new JFrame("Statistics History");
 }
 historyFrame.setLayout(new GridLayout(1,0));
 Object[][] entries = new Object[historyList.size()][3];
 for(int i = 0; i < historyList.size(); i++) {
  entries[i] = historyList.get(i).toArray();
 }
 DefaultTableModel tableModel = new TregexGUITableModel(entries, HistoryEntry.columnNamesArray());
 JTable statTable = new JTable(tableModel);
 DefaultTableCellRenderer dtcr = (DefaultTableCellRenderer) statTable.getDefaultRenderer(String.class);
 dtcr.setHorizontalAlignment(DefaultTableCellRenderer.CENTER);
 JScrollPane scroller = new JScrollPane(statTable);
 historyFrame.add(scroller);
 historyFrame.pack();
 historyFrame.setLocationRelativeTo(TregexGUI.getInstance());
 historyFrame.setBackground(Color.WHITE);
 historyFrame.setVisible(true);
 historyFrame.repaint();
}

columnModel.getColumn(3).setPreferredWidth(80);
DefaultTableCellRenderer rightCellRenderer = new DefaultTableCellRenderer();
rightCellRenderer.setHorizontalAlignment(SwingConstants.RIGHT);
columnModel.getColumn(1).setCellRenderer(rightCellRenderer);
columnModel.getColumn(3).setCellRenderer(rightCellRenderer);

renderer.setHorizontalAlignment(JTextField.CENTER);
table.getColumnModel().getColumn(REC_STATUS_COLUMN).setCellRenderer(renderer);

  @Override
  public Component getTableCellRendererComponent(JTable table, Object value,
    boolean isSelected, boolean hasFocus, int row, int column)
  {
    if (column == 5)
      tcr.setHorizontalAlignment(TRAILING);
    else
      tcr.setHorizontalAlignment(LEADING);
    return tcr.getTableCellRendererComponent(table,value,isSelected,false,row,column);
  }
} //}}}

 JTable tbl = new JTable(3,3) {
  DefaultTableCellRenderer renderRight = new DefaultTableCellRenderer();

  { // initializer block
    renderRight.setHorizontalAlignment(SwingConstants.RIGHT);
  }

  @Override
  public TableCellRenderer getCellRenderer (int arg0, int arg1) {
    return renderRight;
  }
};

/**
 * Returns a default renderer to be used when no header renderer is defined
 * by a <code>TableColumn</code>.
 * 
 * @return the default table column renderer
 */
protected TableCellRenderer createDefaultRenderer() {
  DefaultTableCellRenderer label = new UIResourceTableCellRenderer();
  label.setHorizontalAlignment(JLabel.CENTER);
  return label;
}

 DefaultTableCellRenderer cellRenderer = new DefaultTableCellRenderer();
cellRenderer.setHorizontalAlignment(JLabel.CENTER);
table.getColumnModel().getColumn(column).setWidth(50);
table.getColumnModel().getColumn(0).setMaxWidth(50);
table.getColumnModel().getColumn(0).setMinWidth(50);
table.getColumnModel().getColumn(0).setPreferredWidth(50);
table.getColumnModel().getColumn(0).setCellRenderer(cellRenderer);

DefaultTableCellRenderer r;
 String headers[] = new String[3];
 headers[0] = "Category";
 headers[1] = "Item";
 headers[2] = "<html><center>Packaging<br>unit</center></br></html>";
 DefaultTableModel dtm = new DefaultTableModel();
 table.setModel(dtm);
 r = (DefaultTableCellRenderer)table.getTableHeader().getDefaultRenderer();
 r.setHorizontalAlignment(JLabel.CENTER);
 dtm.setColumnIdentifiers(headers);
 table.getTableHeader().setPreferredSize(new Dimension(table.getColumnModel().getTotalColumnWidth(),32));

protected TableCellRenderer _createCellRenderer(int columnNo) {
  if (columnNo == SailTableModel.COLUMN_CLASS) {
    DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
    renderer.setHorizontalAlignment(_model.getColumnAlignment(columnNo));
    return renderer;
  }
  return null;
}

protected TableCellRenderer _createCellRenderer(int columnNo) {
  if (columnNo == UserTableModel.COLUMN_ID ||
    columnNo == UserTableModel.COLUMN_LOGIN ||
    columnNo == UserTableModel.COLUMN_FULL_NAME ||
    columnNo == UserTableModel.COLUMN_PASSWORD)
  {
    DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
    renderer.setHorizontalAlignment(_model.getColumnAlignment(columnNo));
    return renderer;
  }
  return null;
}

protected TableCellRenderer _createCellRenderer(int columnNo) {
  if (columnNo == ParameterTableModel.COLUMN_KEY ||
    columnNo == ParameterTableModel.COLUMN_VALUE)
  {
    DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
    renderer.setHorizontalAlignment(_model.getColumnAlignment(columnNo));
    return renderer;
  }
  return null;
}

protected TableCellRenderer _createCellRenderer(int columnNo) {
  if (columnNo == RepositoryTableModel.COLUMN_ID ||
    columnNo == RepositoryTableModel.COLUMN_TITLE)
  {
    DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
    renderer.setHorizontalAlignment(_model.getColumnAlignment(columnNo));
    return renderer;
  }
  return null;
}

@Override
protected void setData(List<PackagerInfoElement> data) {
  getTargetList().setModel(new MyTableModel());
  // Set column sizes
  getTargetList().getColumnModel().getColumn(0).setPreferredWidth(100);
  getTargetList().getColumnModel().getColumn(0).setMaxWidth(400);
  //
  getTargetList().getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  getTargetList().getSelectionModel().addListSelectionListener(new TargetSelectionListener());
  // Left align table header
  ((DefaultTableCellRenderer) getTargetList().getTableHeader().getDefaultRenderer()).setHorizontalAlignment(SwingConstants.LEFT);
}

public MessageViewTopComponent() {
  initComponents();
  setName(NbBundle.getMessage(MessageViewTopComponent.class, "CTL_MessageViewTopComponent"));
  setToolTipText(NbBundle.getMessage(MessageViewTopComponent.class, "HINT_MessageViewTopComponent"));
  DropTarget dt = new DropTarget(jTable1, new MessageSignalDropAdapter(model));
jTable1.setDropTarget(dt);
  DefaultTableCellRenderer rightRenderer = new DefaultTableCellRenderer();
  rightRenderer.setHorizontalAlignment( JLabel.RIGHT);
  TableColumnModel cm = jTable1.getColumnModel();
  cm.getColumn(1).setCellRenderer(rightRenderer);
  cm.getColumn(4).setCellRenderer(rightRenderer);
}

public CharTableAutoCompleterView() {
  super(OStrings.getString("AC_CHARTABLE_VIEW"));
  model = new CharTableModel(null);
  getTable().setModel(model);
  getTable().setShowGrid(true);
  getTable().setGridColor(Color.gray);
  renderer = (DefaultTableCellRenderer) getTable().getDefaultRenderer(getTable().getColumnClass(0));
  renderer.setHorizontalAlignment(SwingConstants.CENTER);
  setSelection(new Point(0, 0));
}