Combine TableModel and ColumModel : Table Column « Swing JFC « Java

Combine TableModel and ColumModel

Combine TableModel and ColumModel
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski     
ISBN: 1-893115-78-X
Publisher: APress

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Polygon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.AbstractCellEditor;
import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListCellRenderer;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;

public class ChooserTableSample {

  public static void main(String args[]) {

    JFrame frame = new JFrame("Editable Color Table");
    TableModel model = new ColorTableModel();
    JTable table = new JTable(model);

    TableColumn column = table.getColumnModel().getColumn(3);

    ComboTableCellRenderer renderer = new ComboTableCellRenderer();

    TableCellEditor editor = new ColorChooserEditor();

    JScrollPane scrollPane = new JScrollPane(table);
    frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
    frame.setSize(400, 150);

class ComboTableCellRenderer implements ListCellRenderer, TableCellRenderer {
  DefaultListCellRenderer listRenderer = new DefaultListCellRenderer();

  DefaultTableCellRenderer tableRenderer = new DefaultTableCellRenderer();

  private void configureRenderer(JLabel renderer, Object value) {
    if ((value != null) && (value instanceof Color)) {
      renderer.setIcon(new DiamondIcon((Color) value));
    } else {
      renderer.setText((String) value);

  public Component getListCellRendererComponent(JList list, Object value,
      int index, boolean isSelected, boolean cellHasFocus) {
    listRenderer = (DefaultListCellRenderer) listRenderer
        .getListCellRendererComponent(list, value, index, isSelected,
    configureRenderer(listRenderer, value);
    return listRenderer;

  public Component getTableCellRendererComponent(JTable table, Object value,
      boolean isSelected, boolean hasFocus, int row, int column) {
    tableRenderer = (DefaultTableCellRenderer) tableRenderer
        .getTableCellRendererComponent(table, value, isSelected,
            hasFocus, row, column);
    configureRenderer(tableRenderer, value);
    return tableRenderer;

class ColorTableModel extends AbstractTableModel {

  Object rowData[][] = { { "1", "ichi - \u4E00", Boolean.TRUE, },
      { "2", "ni - \u4E8C", Boolean.TRUE, },
      { "3", "san - \u4E09", Boolean.FALSE, },
      { "4", "shi - \u56DB", Boolean.TRUE, Color.magenta },
      { "5", "go - \u4E94", Boolean.FALSE, }, };

  String columnNames[] = { "English", "Japanese", "Boolean", "Color" };

  public int getColumnCount() {
    return columnNames.length;

  public String getColumnName(int column) {
    return columnNames[column];

  public int getRowCount() {
    return rowData.length;

  public Object getValueAt(int row, int column) {
    return rowData[row][column];

  public Class getColumnClass(int column) {
    return (getValueAt(0, column).getClass());

  public void setValueAt(Object value, int row, int column) {
    rowData[row][column] = value;

  public boolean isCellEditable(int row, int column) {
    return (column != 0);

class ColorChooserEditor extends AbstractCellEditor implements TableCellEditor {

  private JButton delegate = new JButton();

  Color savedColor;

  public ColorChooserEditor() {
    ActionListener actionListener = new ActionListener() {
      public void actionPerformed(ActionEvent actionEvent) {
        Color color = JColorChooser.showDialog(delegate,
            "Color Chooser", savedColor);

  public Object getCellEditorValue() {
    return savedColor;

  private void changeColor(Color color) {
    if (color != null) {
      savedColor = color;
      delegate.setIcon(new DiamondIcon(color));

  public Component getTableCellEditorComponent(JTable table, Object value,
      boolean isSelected, int row, int column) {
    changeColor((Color) value);
    return delegate;

class DiamondIcon implements Icon {
  private Color color;

  private boolean selected;

  private int width;

  private int height;

  private Polygon poly;

  private static final int DEFAULT_WIDTH = 10;

  private static final int DEFAULT_HEIGHT = 10;

  public DiamondIcon(Color color) {
    this(color, true, DEFAULT_WIDTH, DEFAULT_HEIGHT);

  public DiamondIcon(Color color, boolean selected) {
    this(color, selected, DEFAULT_WIDTH, DEFAULT_HEIGHT);

  public DiamondIcon(Color color, boolean selected, int width, int height) {
    this.color = color;
    this.selected = selected;
    this.width = width;
    this.height = height;

  private void initPolygon() {
    poly = new Polygon();
    int halfWidth = width / 2;
    int halfHeight = height / 2;
    poly.addPoint(0, halfHeight);
    poly.addPoint(halfWidth, 0);
    poly.addPoint(width, halfHeight);
    poly.addPoint(halfWidth, height);

  public int getIconHeight() {
    return height;

  public int getIconWidth() {
    return width;

  public void paintIcon(Component c, Graphics g, int x, int y) {
    g.translate(x, y);
    if (selected) {
    } else {
    g.translate(-x, -y);


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3.Install Table Column to TableColumnModelInstall Table Column to TableColumnModel
4.Swing Table Column ToolTip SampleSwing Table Column ToolTip Sample
5.Table ColumnModel and TableColumnModelListenerTable ColumnModel and TableColumnModelListener
6.Table header: Label Header with iconTable header: Label Header with icon
7.Table Headerless SampleTable Headerless Sample
8.Multiline table headerMultiline table header
9.Row Number Table Header
10.Frozen Column Table Header
11.Packing a Column of a JTable Component according to the header text
12.Packing a Column of a JTable Component according to the row data
13.Set column width based on cell renderer
14.Set table column auto-resize off
15.Get the columns from TableColumnModel in the order that they appear in the view
16.Get column count
17.Returns the TableColumn associated with the specified column index in the model
18.Setting the Width of a Column in a JTable Component
19.Disable auto resizing, Set the first visible column to 100 pixels wide
20.Setting the Column Resize Mode of a JTable Component: Disable auto resizing
21.When the width of a column is changed, the width of the right-most column is changed
22.When the width of a column is changed, all columns to the right are resized
23.When the width of a column is changed, only the columns to the left and right of the margin change
24.When the width of a column is changed, the widths of all columns are changed
25.Locking the Width of a Column in a JTable Component
26.This program demonstrates how to work with rows and columns in a table.