//====================================================================== // PROJECT: _programming.java_ // FILE: Gigobite.java // PURPOSE: Chapter 3 lablet // VERSION: 1.1 // TARGET: Java v1.1 // UPDATE HISTORY: 1.1 9/8/98 new documentation and 1.1 compliance // 1.0 8/21/96 the version in _p.j_ //====================================================================== //------------------------------ IMPORTS ------------------------------- /* Since we're not responding to any of the events generated by the widgets (that'll come soon, in Chapter 6), we don't need to import the java.awt.event package. */ import java.applet.*; import java.awt.*; //=========================== Gigobite CLASS ========================== /** * The user interface of an on-line order form. Think of this lablet as * the first third of a working order form--we do the layout here and * later will extend this class so that it responds to events. The last * third,in which the applet would communicate the order back to the * restaurant's computer, is beyond the scope of the text. * * Note that all we have here is an init() method--we don't need the * "implements ActionListener" clause in the class header, we don't * need an actionPerformed() method, and we don't need a paint() * method. */ public class Gigobite extends Applet { //------------------------------ DATA ---------------------------- Checkbox superSize = new Checkbox("Super Size?"); TextField reminder = new TextField("Ask for Coupons!",18); List sandwiches = new List(5,true); List drinks = new List(5, true); List sides = new List(3, false); Choice sizes = new Choice(); TextArea comments = new TextArea("Hold the pickles!", 2, 10); Button order = new Button("Place Order"); Label sandsLabel = new Label("Sandwiches"); Label drinkLabel = new Label("Drinks"); Label sidesLabel = new Label("Side Orders"); Label title = new Label("Gigo-BITES"); Font myFont1 = new Font("Serif",Font.BOLD,36); Font myFont2 = new Font("Serif",Font.ITALIC,12); //---------------------------- METHODS --------------------------- /** * Initialize all of the widgets and add them to the applet. */ public void init() { //----- Place the items in the sandwich List object. sandwiches.add("Hamburg"); sandwiches.add("Cheeseburg"); sandwiches.add("1/4-pound"); sandwiches.add("1/2-pound"); sandwiches.add("Side O' Beef"); //----- Place the items in the side order List object. sides.add("Fries"); sides.add("Baked"); sides.add("Chips"); //----- Place the items in the drinks List object. drinks.add("Cola"); drinks.add("Root Beer"); drinks.add("Coffee"); drinks.add("Shake"); drinks.add("Milk"); //----- Place the items in the size Choice object. sizes.add("Small"); sizes.add("Medium"); sizes.add("Large"); //----- Set the applet's background color and size. setBackground(Color.yellow); setSize(450,300); // We don't really need this // we include it here so you can see // what happens to the layout when // you change the applet's size. //----- Adjust the properties of some of the widgets. sandsLabel.setFont(myFont2); drinkLabel.setBackground(Color.cyan); sidesLabel.setForeground(Color.red); title.setFont(myFont1); title.setForeground(Color.blue); //----- Add all of the widgets to our applet. add(sandsLabel); add(sandwiches); add(drinkLabel); add(drinks); add(sidesLabel); add(sides); add(comments); add(sizes); add(superSize); add(reminder); add(order); add(title); } }