SysConfig.java Source code

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Here is the source code for SysConfig.java

Source

/*
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);
    }
}