/*
	KeyboardApplet class
	
	accepts user input text
	displays statistics on typing text with qwerty and dvorak keyboards
	loads keyboard image used for qwerty and dvorak keyboards

	author: JAM (Jon A. Maxwell)
	email: jmaxwell@acm.vt.edu
	date: Mar 20 1998
*/

import java.awt.*;
import java.applet.*;


public class KeyboardApplet extends Applet {

	TextArea text = new TextArea(5, 80);
	Button calc = new Button("Calculate");

	Keyboard dvorak, qwerty;
	KeyStats dvorakStats, qwertyStats;

	String dvorakKeymap[] = {
		"`1234567890[]\\"  ,  "~!@#$%^&*(){}|",
		" ',.pyfgcrl/="    ,  " \"<>PYFGCRL?+",
		" aoeuidhtns-\n"   ,  " AOEUIDHTNS_\n",
		"  ;qjkxbmwvz"     ,  "  :QJKXBMWVZ",
		"  "               ,  ""   
		};
		
		
		
//	setup applet gui, keyboards

	public void init() {

		// load images
      Image qwertyImage = null;
      Image dvorakImage = null;
      try {
         qwertyImage = Toolkit.getDefaultToolkit().getImage( getClass().getClassLoader().getResource("keyboard.jpg"));
         dvorakImage = qwertyImage;
      }
      catch (Exception ex) {
      }

		// qwerty, dvorak keyboard
		qwerty = new Keyboard(qwertyImage);
		dvorak = new Keyboard(dvorakImage);
		for (int i=0; i < dvorakKeymap.length; i+=2) {
			dvorak.setRow(i/2,Keyboard.LOWERCASE, dvorakKeymap[i]);
			dvorak.setRow(i/2,Keyboard.UPPERCASE, dvorakKeymap[i+1]);
		}

		
		// stats
		dvorakStats = new KeyStats();
		dvorakStats.calculate("", dvorak);
		qwertyStats = new KeyStats();
		qwertyStats.calculate("", qwerty);


		// gui

		this.setBackground(new Color(240,240,240));
		resize(620,500);

		// I know, I know, GridbagLayout... or something

		// textPanel: text area and calculate button
		Panel calcPanel = new Panel();
		calcPanel.setLayout( new FlowLayout() );
		calcPanel.add(calc);
		//
		Panel textPanel = new Panel();
		textPanel.setLayout( new BorderLayout() );
		textPanel.add("Center",text);
		textPanel.add("South",calcPanel);

		// dvorakStatsPanel: dvorak label and dvorakStats
		Panel dvorakStatsPanel = new Panel();
		Label dvorakLabel = new Label("Dvorak", Label.LEFT);
		dvorakLabel.setFont(new Font("Dialog", Font.BOLD, 16));
		dvorakStatsPanel.setLayout( new BorderLayout() );
		dvorakStatsPanel.add("Center", dvorakStats);
		dvorakStatsPanel.add("North", dvorakLabel);

		// qwertyStatsPanel: qwerty label and qwertyStats
		Panel qwertyStatsPanel = new Panel();
		Label qwertyLabel = new Label("Qwerty", Label.LEFT);
		qwertyLabel.setFont(new Font("Dialog", Font.BOLD, 16));
		qwertyStatsPanel.setLayout( new BorderLayout() );
		qwertyStatsPanel.add("Center", qwertyStats);
		qwertyStatsPanel.add("North", qwertyLabel);
		
		// dvorakPanel: dvorakStatsPanel and dvorak keyboard
		Panel dvorakPanel = new Panel();
		dvorakPanel.setLayout( new BorderLayout() );
		dvorakPanel.add("North", dvorakStatsPanel);
		dvorakPanel.add("Center",dvorak);
		
		// qwertyPanel: qwertyStatsPanel and qwerty keyboard
		Panel qwertyPanel = new Panel();
		qwertyPanel.setLayout( new BorderLayout() );
		qwertyPanel.add("North", qwertyStatsPanel);
		qwertyPanel.add("Center",qwerty);

		// displayPanel: dvorakPanel and qwertyPanel
		Panel displayPanel = new Panel();
		displayPanel.setLayout( new BorderLayout() );
		displayPanel.add("West",dvorakPanel);
		displayPanel.add("East",qwertyPanel);

		// this panel: textPanel and displayPanel
		setLayout( new BorderLayout() );
		add("Center",textPanel);
		add("South",displayPanel);
	}



// calculate

	public boolean handleEvent(Event event) {
		if (event.id == Event.ACTION_EVENT && event.target == calc) {
			calc.disable();
			dvorakStats.calculate(text.getText(), dvorak);
			qwertyStats.calculate(text.getText(), qwerty);
			calc.enable();
			return true;
		}
		return super.handleEvent(event);
	}






}