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MainPanel.java
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MainPanel.java
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// -*- mode:java; encoding:utf-8 -*-
// vim:set fileencoding=utf-8:
// @homepage@
package example;
import java.awt.*;
import java.util.Collections;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
public final class MainPanel extends JPanel {
private MainPanel() {
super(new BorderLayout());
String[] columnNames = {"String", "Integer", "Boolean"};
Object[][] data = {
{"aaa", 12, true}, {"bbb", 5, false}, {"CCC", 92, true}, {"DDD", 0, false}
};
TableModel model = new DefaultTableModel(data, columnNames) {
@Override public Class<?> getColumnClass(int column) {
return getValueAt(0, column).getClass();
}
};
JTable table = new JTable(model);
table.setAutoCreateRowSorter(true);
int index = 0;
// table.getRowSorter().toggleSortOrder(index); // SortOrder.ASCENDING
RowSorter.SortKey key = new RowSorter.SortKey(index, SortOrder.DESCENDING);
table.getRowSorter().setSortKeys(Collections.singletonList(key));
add(new JScrollPane(table));
setPreferredSize(new Dimension(320, 240));
}
public static void main(String[] args) {
EventQueue.invokeLater(MainPanel::createAndShowGui);
}
private static void createAndShowGui() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (UnsupportedLookAndFeelException ignored) {
Toolkit.getDefaultToolkit().beep();
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException ex) {
ex.printStackTrace();
return;
}
JFrame frame = new JFrame("@title@");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new MainPanel());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}