PC Plus SuperCD (UK) 1997 May/PC Plus Super CD Issue 127 (May 1997).iso/handson/java/twolists/frame1.class

Java Class File | 1997-02-07 | 4.7 KB | 156 lines

import java.awt.Component;
import java.awt.Container;
import java.awt.Event;
import java.awt.FileDialog;
import java.awt.Frame;
import java.awt.Label;
import java.awt.LayoutManager;
import java.awt.List;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;

public class Frame1 extends Frame {
   FileDialog OpenFileDialog;
   List StockList;
   List BasketList;
   Label label1;
   Label label2;
   Label label3;
   Label label4;
   MenuBar mainMenuBar;
   Menu menu1;
   Menu menu2;
   Menu menu3;

   void BasketList_DblClick(Event event) {
      this.StockList.addItem(this.BasketList.getSelectedItem());
      this.BasketList.delItem(this.BasketList.getSelectedIndex());
   }

   void StockList_DblClick(Event event) {
      this.BasketList.addItem(this.StockList.getSelectedItem());
      this.StockList.delItem(this.StockList.getSelectedIndex());
   }

   void Open_Action(Event event) {
      this.OpenFileDialog.show();
   }

   void About_Action(Event event) {
      (new AboutDialog(this, "About...", false)).show();
   }

   void Exit_Action(Event event) {
      (new QuitDialog(this, "Quit the Application?", false)).show();
   }

   public Frame1() {
      ((Container)this).setLayout((LayoutManager)null);
      ((Frame)this).addNotify();
      ((Component)this).resize(((Container)this).insets().left + ((Container)this).insets().right + 457, ((Container)this).insets().top + ((Container)this).insets().bottom + 322);
      this.OpenFileDialog = new FileDialog(this, "Open", 0);
      this.StockList = new List(0, false);
      ((Container)this).add(this.StockList);
      this.StockList.reshape(((Container)this).insets().left + 14, ((Container)this).insets().top + 45, 201, 225);
      this.BasketList = new List(0, false);
      ((Container)this).add(this.BasketList);
      this.BasketList.reshape(((Container)this).insets().left + 238, ((Container)this).insets().top + 45, 201, 225);
      this.label1 = new Label("ITEMS IN STOCK");
      this.label1.reshape(((Container)this).insets().left + 14, ((Container)this).insets().top + 15, 196, 15);
      ((Container)this).add(this.label1);
      this.label2 = new Label("ITEMS IN YOUR BASKET");
      this.label2.reshape(((Container)this).insets().left + 238, ((Container)this).insets().top + 15, 203, 15);
      ((Container)this).add(this.label2);
      this.label3 = new Label("DOUBLE-CLICK TO BUY");
      this.label3.reshape(((Container)this).insets().left + 14, ((Container)this).insets().top + 278, 203, 22);
      ((Container)this).add(this.label3);
      this.label4 = new Label("DOUBLE-CLICK TO PUT BACK");
      this.label4.reshape(((Container)this).insets().left + 238, ((Container)this).insets().top + 278, 203, 24);
      ((Container)this).add(this.label4);
      ((Frame)this).setTitle("A Basic Application");
      this.mainMenuBar = new MenuBar();
      this.menu1 = new Menu("File");
      this.menu1.add("Open...");
      this.menu1.add("Save");
      this.menu1.add("Save As...");
      this.menu1.addSeparator();
      this.menu1.add("Exit");
      this.mainMenuBar.add(this.menu1);
      this.menu2 = new Menu("Edit");
      this.menu2.add("Cut");
      this.menu2.add("Copy");
      this.menu2.add("Paste");
      this.mainMenuBar.add(this.menu2);
      this.menu3 = new Menu("Help");
      this.menu3.add("About");
      this.mainMenuBar.add(this.menu3);
      ((Frame)this).setMenuBar(this.mainMenuBar);
   }

   public Frame1(String title) {
      this();
      ((Frame)this).setTitle(title);
   }

   public synchronized void show() {
      ((Component)this).move(50, 50);
      super.show();
      this.StockList.addItem("Tin of Schpamm");
      this.StockList.addItem("Pot of Schnoodles");
      this.StockList.addItem("Jug of Hare");
      this.StockList.addItem("Kettle of Fish");
      this.StockList.addItem("Bombay Duck");
      this.StockList.addItem("Duck-billed platypus");
      this.StockList.addItem("Can of worms");
      this.StockList.addItem("Hair of the dog");
      this.StockList.addItem("Dog's bone");
      this.StockList.addItem("PC Plus");
   }

   public boolean handleEvent(Event event) {
      if (event.id == 201) {
         ((Component)this).hide();
         ((Frame)this).dispose();
         System.exit(0);
         return true;
      } else {
         if (event.target == this.StockList && event.id == 1001) {
            this.StockList_DblClick(event);
         }

         if (event.target == this.BasketList && event.id == 1001) {
            this.BasketList_DblClick(event);
         }

         return super.handleEvent(event);
      }
   }

   public boolean action(Event event, Object arg) {
      if (event.target instanceof MenuItem) {
         String label = (String)arg;
         if (label.equalsIgnoreCase("Open...")) {
            this.Open_Action(event);
            return true;
         }

         if (label.equalsIgnoreCase("About")) {
            this.About_Action(event);
            return true;
         }

         if (label.equalsIgnoreCase("Exit")) {
            this.Exit_Action(event);
            return true;
         }
      }

      return super.action(event, arg);
   }

   public static void main(String[] args) {
      (new Frame1()).show();
   }
}