/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly
*/
// SysConfig.java
//A demonstration of the JTabbedPane class for displaying and manipulating
//configuration information. The BoxLayout class is used to layout the
//first tab quickly.
//
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextArea;
public class SysConfig extends JFrame {
JTabbedPane config = new JTabbedPane();
public SysConfig() {
super("JTabbedPane & BoxLayout Demonstration");
setSize(500, 300);
setDefaultCloseOperation(EXIT_ON_CLOSE);
JPanel configPane = new JPanel();
configPane.setLayout(new BoxLayout(configPane, BoxLayout.Y_AXIS));
JTextArea question = new JTextArea("Which of the following options\n"
+ "do you have installed?");
// Ok, now configure the textarea to show up properly inside the box.
// This is part of the "high art" of Swing...
question.setEditable(false);
question.setMaximumSize(new Dimension(300, 50));
question.setAlignmentX(0.0f);
question.setBackground(configPane.getBackground());
JCheckBox audioCB = new JCheckBox("Sound Card", true);
JCheckBox nicCB = new JCheckBox("Ethernet Card", true);
JCheckBox tvCB = new JCheckBox("Video Out", false);
configPane.add(Box.createVerticalGlue());
configPane.add(question);
configPane.add(audioCB);
configPane.add(nicCB);
configPane.add(tvCB);
configPane.add(Box.createVerticalGlue());
JLabel audioPane = new JLabel("Audio stuff");
JLabel nicPane = new JLabel("Networking stuff");
JLabel tvPane = new JLabel("Video stuff");
JLabel helpPane = new JLabel("Help information");
audioCB.addItemListener(new TabManager(audioPane));
nicCB.addItemListener(new TabManager(nicPane));
tvCB.addItemListener(new TabManager(tvPane));
config.addTab("System", null, configPane, "Choose Installed Options");
config.addTab("Audio", null, audioPane, "Audio system configuration");
config.addTab("Networking", null, nicPane, "Networking configuration");
config.addTab("Video", null, tvPane, "Video system configuration");
config.addTab("Help", null, helpPane, "How Do I...");
getContentPane().add(config, BorderLayout.CENTER);
}
class TabManager implements ItemListener {
Component tab;
public TabManager(Component tabToManage) {
tab = tabToManage;
}
public void itemStateChanged(ItemEvent ie) {
int index = config.indexOfComponent(tab);
if (index != -1) {
config.setEnabledAt(index,
ie.getStateChange() == ItemEvent.SELECTED);
}
SysConfig.this.repaint();
}
}
public static void main(String args[]) {
SysConfig sc = new SysConfig();
sc.setVisible(true);
}
}