MultiLine Header Example : Grid Table « Swing Components « Java

MultiLine Header Example

MultiLine Header Example
// Example from

/* (swing1.1beta3) */

import java.awt.Component;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Enumeration;
import java.util.Vector;

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.UIManager;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;

 * @version 1.0 11/09/98
public class MultiLineHeaderExample extends JFrame {
  MultiLineHeaderExample() {
    super("Multi-Line Header Example");

    DefaultTableModel dm = new DefaultTableModel();
        new Object[][] { { "a", "b", "c" }, { "A", "B", "C" } },
        new Object[] { "1st\nalpha", "2nd\nbeta", "3rd\ngamma" });

    JTable table = new JTable(dm);
    MultiLineHeaderRenderer renderer = new MultiLineHeaderRenderer();
    Enumeration e = table.getColumnModel().getColumns();
    while (e.hasMoreElements()) {
      ((TableColumn) e.nextElement()).setHeaderRenderer(renderer);
    JScrollPane scroll = new JScrollPane(table);
    setSize(400, 110);

  public static void main(String[] args) {
    MultiLineHeaderExample frame = new MultiLineHeaderExample();
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {

 * @version 1.0 11/09/98

class MultiLineHeaderRenderer extends JList implements TableCellRenderer {
  public MultiLineHeaderRenderer() {
    ListCellRenderer renderer = getCellRenderer();
    ((JLabel) renderer).setHorizontalAlignment(JLabel.CENTER);

  public Component getTableCellRendererComponent(JTable table, Object value,
      boolean isSelected, boolean hasFocus, int row, int column) {
    String str = (value == null) ? "" : value.toString();
    BufferedReader br = new BufferedReader(new StringReader(str));
    String line;
    Vector v = new Vector();
    try {
      while ((line = br.readLine()) != null) {
    } catch (IOException ex) {
    return this;


Related examples in the same category

1.HyperLink in TableHyperLink in Table
2.Column popup menuColumn popup menu
3.Tree TableTree Table
4.Swing Table in ComboBoxSwing Table in ComboBox
5.Tabbable Currency TableTabbable Currency Table
6.Icon Currency TableIcon Currency Table
7.MultiLine Header TableMultiLine Header Table
8.ToolTip TableToolTip Table
9.Striped Currency TableStriped Currency Table
11.Calculated Column TableCalculated Column Table
12.Table Utilities
13.Fraction Currency TableFraction Currency Table
14.Highlight Currency TableHighlight Currency Table
15.Highlight Currency Table 2Highlight Currency Table 2
16.MultiLine TableMultiLine Table
17.Updatable Highlight Currency TableUpdatable Highlight Currency Table
18.Editable Highlight Currency TableEditable Highlight Currency Table
19.ComboBox TableComboBox Table
20.Groupable(Group) Header ExampleGroupable(Group) Header Example
21.MultiWidth Header ExampleMultiWidth Header Example
22.Table Row Header ExampleTable Row Header Example
23.Fixed Table Column ExampleFixed Table Column Example
24.Button Table ExampleButton Table Example
25.Radio Button Table ExampleRadio Button Table Example
26.RadioButton Table Example 2RadioButton Table Example 2
27.MultiLine Cell ExampleMultiLine Cell Example
28.Each Row with different Editor ExampleEach Row with different Editor Example
29.Multiple Component Table: Checkbox and ComboboxMultiple Component Table: Checkbox and Combobox
30.multiple Component Table 2: checkboxmultiple Component Table 2: checkbox
31.Union Data Table ExampleUnion Data Table Example
32.Total(Calculate) Row ExampleTotal(Calculate) Row Example
33.Colored Cell Table Example
34.multiple Font Cell Table Example
35.Multi Span Cell Table Example
36.Mixed Table Example
37.Pushable Table Header ExamplePushable Table Header Example
38.Sortable Table ExampleSortable Table Example
39.ToolTip Header Table ExampleToolTip Header Table Example
40.Indicator Table ExampleIndicator Table Example
41.Fixed Table Row ExampleFixed Table Row Example
42.multiple Row Header Example
43.Column Border Table ExampleColumn Border Table Example
44.Cell Border Table ExampleCell Border Table Example
45.Hide Column Table ExampleHide Column Table Example
46.Animated Icon Table ExampleAnimated Icon Table Example
47.Animated Icon Header Example
48.Editable Header Table ExampleEditable Header Table Example
49.Editable Header Table Example 2Editable Header Table Example 2