// ITU F2005 JMA - Homework week 03
// Plot.java
// 2005-02-20 Kenn A. Thisted

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
//import java.util.Vector;


public class Plot /*extends Vector*/ {

    private String title;
    private int[] y;
    
    public Plot(String title, int[] y) {
    	
    	this.title = title;
    	this.y = y;

        System.out.println("y.length: " + y.length);
        
        //Vector tried and dropped
        //for (int i = 0; i < y.length; i++) {
        //    addElement(new Integer(y[i]));
        //    System.out.print(y[i] + " ");
        //}
    }
 
    public void draw(Canvas c, Graphics g) {

        g.setColor( 255, 255, 255 );
        g.fillRect( 0, 0, c.getWidth(), c.getHeight() );
        g.setColor( 0, 0, 0 );
        g.drawString( title, c.getWidth()/2, 0, g.TOP | g.HCENTER );

        int xFactor = 10;

        int x1 = 0 * xFactor;
        int y1 = c.getHeight() - y[0]; // from bottom left

        for (int i = 1; i < y.length; i++) { 
            int x2 = i * xFactor;
            int y2 = c.getHeight() - y[i];
            g.drawLine(x1, y1, x2, y2);
            x1 = x2;
            y1 = y2;
        }
        
    } // draw()
}