//
//  WageTool.java
//
//  Created by Edward on 2/15/06
//

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
import java.text.*; // for DecimalFormat

public class WageTool extends JApplet implements ActionListener {

	int hrs;
	int min;
	float rate;
	float pay = 0;
	JTextField hours;
	JTextField minutes;
	JTextField hrlyrate;
	JButton compute;
	Integer temp;
	Float tempf;
	Font myFont = new Font("monospaced",0,14);
	Color purple = new Color(148, 0, 211);
	DecimalFormat Currency = new DecimalFormat("0.00");
	
    public void init() {
        // set the default look and feel
        String laf = UIManager.getSystemLookAndFeelClassName();
        try { UIManager.setLookAndFeel(laf);
        } catch (UnsupportedLookAndFeelException exc) {
            System.err.println ("Warning: UnsupportedLookAndFeel: " + laf);
        } catch (Exception exc) {
            System.err.println ("Error loading " + laf + ": " + exc);
        }
		// set up text fields and buttons
		Label hrlb = new Label("Hours:",Label.RIGHT);
		hours = new JTextField("0", 5);
		Label minlb = new Label("Minutes:",Label.RIGHT);
		minutes = new JTextField("0", 5);
		Label rtlb = new Label("Hourly Rate:",Label.RIGHT);
		hrlyrate = new JTextField("45.00", 5);
		compute = new JButton("Compute");
		compute.addActionListener(this);
		JPanel inPane = new JPanel(); 
		inPane.setLayout(new GridLayout(3,2));
		inPane.add(hrlb);
		inPane.add(hours);
		inPane.add(minlb);
		inPane.add(minutes);
		inPane.add(rtlb);
		inPane.add(hrlyrate);
		JPanel butPane = new JPanel();
		butPane.add(compute);
		JPanel pane = new JPanel(); 
		pane.setLayout(new BoxLayout(pane, BoxLayout.PAGE_AXIS));
		pane.add(Box.createRigidArea(new Dimension(0,23)));
		pane.add(inPane);
		pane.add(butPane);
		setContentPane(pane);		
    }

	public void actionPerformed(ActionEvent e) {
		Object src = e.getSource();
		if (src == compute) {
			temp = Integer.valueOf(hours.getText());
			hrs = temp.intValue();
			temp = Integer.valueOf(minutes.getText());
			min = temp.intValue();
			tempf = Float.valueOf(hrlyrate.getText());
			rate = tempf.floatValue();
			while (min > 59) { // convert minutes over 60 to hours
				hrs++;
				min -= 60;
			}
			temp = new Integer(hrs);
			hours.setText(temp.toString());
			temp = new Integer(min);
			minutes.setText(temp.toString());
			pay = ((float)min / 60 + hrs) * rate ; // compute pay
			repaint();
		}	
	}
	
    public void paint (Graphics g) {
        super.paint(g);
        g.setColor(purple);
        g.setFont(myFont);
		g.drawString("Your pay is: $"+Currency.format(pay), 48, 18);
    }
}