SwingTableDemo() {
// Create a new JFrame container.
JFrame jfrm = new JFrame("JTable Demo");
// Specify FlowLayout for the layout manager.
jfrm.setLayout(new FlowLayout());
// Give the frame an initial size.
jfrm.setSize(460, 180);
// Terminate the program when the user closes the application.
jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Create a table that displays order data.
jtabOrders = new JTable(data, headings);
// Wrap the table in a scroll pane.
JScrollPane jscrlp = new JScrollPane(jtabOrders);
// Set the scrollable viewport size.
jtabOrders.setPreferredScrollableViewportSize(new Dimension(420, 62));
// Create the radio buttons that determine
// what type of selections are allowed.
jrbRows = new JRadioButton("Select Rows", true);
jrbColumns = new JRadioButton("Select Columns");
jrbCells = new JRadioButton("Select Cells");
// Add the radio buttons to a group.
ButtonGroup bg = new ButtonGroup();
bg.add(jrbRows);
bg.add(jrbColumns);
bg.add(jrbCells);
// Radio button events are handled in common by the
// actionPerformed() method implemented by TableDemo.
jrbRows.addActionListener(this);
jrbColumns.addActionListener(this);
jrbCells.addActionListener(this);
// Create the Single Selection Mode check box.
// When checked, only single selections are allowed.
jcbSingle = new JCheckBox("Single Selection Mode");
// Add item listener for jcbSingle.
jcbSingle.addItemListener(
new ItemListener() {
public void itemStateChanged(ItemEvent ie) {
if (jcbSingle.isSelected())
// Allow single selections.
jtabOrders.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
else
// Allow multiple selections.
jtabOrders.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
}
});
// Add the components to the content pane.
jfrm.add(jscrlp);
jfrm.add(jrbRows);
jfrm.add(jrbColumns);
jfrm.add(jrbCells);
jfrm.add(jcbSingle);
// Display the frame.
jfrm.setVisible(true);
}
