Этот код использует JToggleButton
с различными цветными значками для стандартных и выбранных состояний.Также можно использовать JCheckBox
.
import java.awt.*;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.net.*;
import java.util.*;
public class RoomReservationToggle {
private JComponent ui = null;
private String reservedPath = "https://i.stack.imgur.com/xj49g.png";
private String freePath = "https://i.stack.imgur.com/zJ8am.png";
RoomReservationToggle() {
try {
initUI();
} catch (MalformedURLException ex) {
ex.printStackTrace();
}
}
public void initUI() throws MalformedURLException {
if (ui != null) {
return;
}
ui = new JPanel(new GridLayout(0, 4, 4, 4));
ui.setBorder(new EmptyBorder(4, 4, 4, 4));
ImageIcon reservedIcon = new ImageIcon(new URL(reservedPath));
ImageIcon freeIcon = new ImageIcon(new URL(freePath));
Random r = new Random();
for (int ii = 1; ii < 17; ii++) {
// a JCheckBox might also be used
JToggleButton tb = new JToggleButton(freeIcon, r.nextBoolean());
tb.setSelectedIcon(reservedIcon);
ui.add(tb);
}
}
public JComponent getUI() {
return ui;
}
public static void main(String[] args) {
Runnable r = new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception useDefault) {
}
RoomReservationToggle o = new RoomReservationToggle();
JFrame f = new JFrame(o.getClass().getSimpleName());
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
f.setLocationByPlatform(true);
f.setContentPane(o.getUI());
f.pack();
f.setMinimumSize(f.getSize());
f.setVisible(true);
}
};
SwingUtilities.invokeLater(r);
}
}