import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.text.*;

public class TestCircle3GUI {

    private JFrame outputFrame;
    private Container container;
    private CircleDrawingPanel circlesDrawingPanel; 

    public static void main(String[] args) {
        new TestCircle3GUI();
    }

    public TestCircle3GUI() {
        //stuff to make a frame and drawing panel:
        outputFrame = new JFrame();
        outputFrame.setSize(1000,700);
        outputFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Container container = outputFrame.getContentPane(); 
	circlesDrawingPanel = new CircleDrawingPanel();  
    	//container.add( circlesDrawingPanel);
    	outputFrame.getContentPane().add( circlesDrawingPanel);
    	outputFrame.setVisible(true);
    	
    	 

        Circle3 cA [] = new Circle3[100];   //array of Circle references
        DecimalFormat d3 = new DecimalFormat ("0.000");
    
        cA[0] = new Circle3();   //unit circle
        cA[1] = new Circle3(5.0); //radius 5 at origin
        cA[2] = new Circle3(10.0,new Point(50,50));   //radius 10 at (50,50)
        cA[3] = new Circle3(50.0,new Point(150,250)); //radius 50 at (150,250)
        
        int N=20;
        for (int i=4; i<N; i++)
            cA[i] = new Circle3(Math.random()*100, 
            	                new Point((int)(Math.random()*outputFrame.getWidth()),
            	                          (int)(Math.random()*outputFrame.getHeight())));
    
        for (int i=0; i<N; i++)
            System.out.println("radius "+ d3.format(cA[i].getRadius())
        	 + " center: "+cA[i].getCenter()
    	         + " area:" + d3.format(cA[i].getArea())
    	     	 + " circum:" + d3.format(cA[i].getCircumference())
    	         + " date:"+cA[i].getDate());

        System.out.println("Number of Circle3 objects created: "+Circle3.getNumberOfObjects());
    
        circlesDrawingPanel.drawCircles(cA,N);
    }
}



class CircleDrawingPanel extends JPanel {
    Circle3 cA[];
    int N;
    
    public void paintComponent( Graphics g ) {
	int x, y, r;
	int h=getHeight();
	super.paintComponent( g );     //clears the drawing area.
	for (int i=0; i<N; i++) {
	    r = (int)(cA[i].getRadius());
	    x = cA[i].getCenter().x;
	    y = h - cA[i].getCenter().y;
	    g.drawOval(x-r, y-r, 2*r, 2*r);
	}
    }
    
    public void drawCircles ( Circle3 array[], int numCircles) {
    	cA = array;
        N = numCircles;
        repaint();   //calls paintComponent
    }
}