Creating Effective JavaHelp

Appendix D. TypeFacer.java Source Listing

This appendix contains a listing of the source file, TypeFacer.java, for the Typeface Tester application described in Chapter 7. JavaHelp-related code appears in bold.

/*
 * TypeFacer.java
 * A simple application for styling sample text.
 *
 * This application serves as the basis for JavaHelp demonstrations:
 * screen-level help, field-level help, and embedded help
 */

// ....................................... imports
import java.awt.event.*;
import java.awt.*;
import java.util.Hashtable;
import java.io.*;
import java.net.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.help.*;

// ....................................... TypeFacer (frame)
 
public class TypeFacer extends JFrame {

  // JavaHelp items

           HelpSet hs;
           HelpBroker hb;

  // screen components

  JTextField inputField, displayField;
  JComboBox  fontChoice, foreChoice, backChoice;
  JCheckBox  boldBox, italicBox;
  JButton    showButton, clearButton;
  JButton    helpButton;
           JButton    qButton;

           // embedded help components
           JPanel helpPanel;
           JHelpNavigator nav;
           JHelpContentViewer viewer;

  // menu components

  JMenu     fileMenu, viewMenu;
  JMenuItem exitItem, typeItem, colorItem;
  JMenu helpMenu;
           JMenuItem helpItem;
           JMenuItem helpItemTOC;
           JMenuItem embeddedItem; // frame will contain a panel using the CardLayout manager CardLayout manager; JPanel cards; // fonts and colors for use in display box Hashtable fonts, colors; // combo box choices final String[] fontList = { "TimesRoman", "Helvetica", "Courier" }; final ...