Java Reference
In-Depth Information
final String columnNames[] = {"#", "English", "Japanese", "French", "Roman"};
Runnable runner = new Runnable() {
public void run() {
final JTable table = new JTable(rowData, columnNames);
JScrollPane scrollPane = new JScrollPane(table);
String modes[] = {"Resize All Columns", "Resize Last Column",
"Resize Next Column", "Resize Off", "Resize Subsequent Columns"};
final int modeKey[] = {
JTable.AUTO_RESIZE_ALL_COLUMNS,
JTable.AUTO_RESIZE_LAST_COLUMN,
JTable.AUTO_RESIZE_NEXT_COLUMN,
JTable.AUTO_RESIZE_OFF,
JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS};
JComboBox resizeModeComboBox = new JComboBox(modes);
int defaultMode = 4;
table.setAutoResizeMode(modeKey[defaultMode]);
resizeModeComboBox.setSelectedIndex(defaultMode);
ItemListener itemListener = new ItemListener() {
public void itemStateChanged(ItemEvent e) {
JComboBox source = (JComboBox)e.getSource();
int index = source.getSelectedIndex();
table.setAutoResizeMode(modeKey[index]);
}
};
resizeModeComboBox.addItemListener(itemListener);
JFrame frame = new JFrame("Resizing Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(resizeModeComboBox, BorderLayout.NORTH);
frame.add(scrollPane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
};
EventQueue.invokeLater(runner);
}
}
Figure 18-6 shows the initial appearance of the program. Change the
JComboBox
, and you
change the column resize behavior.
