package com.caplet.manna;

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

/**
 * The MannaMouse applet as a whole.
 *
 * @author Mark S. Miller, markm@caplet.com
 * @author Terry Stanley, tstanley@cocoon.com
 */
public class Demographics extends Applet {
	/*package*/ GAPainter myEvolver;
	/*package*/ Panel myControls, myPetri;
	/*package*/ Button myGo;
	/*package*/ int myDiversity =2;

    /**
     * Creates and initializes all the parts
     */
	public void init() {
		setLayout(new BorderLayout());
		setForeground(Color.black);
		setBackground(new Color(204, 204, 204));

		Panel myControls = new Panel();
		myControls.setLayout(new FlowLayout(FlowLayout.CENTER));
		myGo = new Button(" go ");  // cannot get around LayoutManager on this one
		myGo.setForeground(new Color(0, 0, 51));  // blue-black
		myGo.setBackground(Color.white);
		myGo.setFont(new Font("TimesRoman", Font.BOLD, 14));
		
		myControls.add(myGo);

		add("North", myControls);

		myPetri = new Panel();
		myPetri.setLayout(new FlowLayout(FlowLayout.CENTER));
		GA[] gas = new GA[myDiversity];
		for (int i = 0; i < myDiversity; i++) {
		    Culture culture = new Culture();
			myPetri.add(culture);
			gas[i] = culture.myGA;
		}
		myEvolver = new GAPainter(gas);
		for (int i = 0; i < myDiversity; i++) {
    		((Culture)myPetri.getComponent(i)).ourEvolver = myEvolver;
    		gas[i].ourEvolver = myEvolver;
    	}

		add("Center", myPetri);
    }

    /**
     * Dispatches on an event in the horrible way required by AWT 1.0x
     */
	public boolean handleEvent(Event event) {
		switch (event.id) {
			case Event.ACTION_EVENT:
				if (event.target == myGo) {
					if (((String)event.arg).equals(" go ")) {
		                myGo.setLabel("stop");
		                myEvolver.go();
					} else if (((String)event.arg).equals("stop")) {
		                myGo.setLabel(" go ");
		                myEvolver.pause();
		            }
		            return true;
				}
				break;
			case Event.MOUSE_DOWN:
			case Event.MOUSE_DRAG:
				Component nested;
				// nx, ny myPetri local coordinates
				int nx = event.x - myPetri.location().x; 
				int ny = event.y - myPetri.location().y;
				if((nested = myPetri.locate(nx, ny)) != null) {
				    // cx, cy culture local coordinates
					int cx = nx - nested.location().x;
					int cy = ny - nested.location().y;
                    Component moreNested;
                    if ((moreNested = nested.locate(cx,cy)) != null
                        && (moreNested instanceof GA))
                    {
                        int gx = cx - moreNested.location().x; //ga local
                        int gy = cy - moreNested.location().y;
					    myEvolver.addManna(gx, gy, GA.TOP_FITNESS);
					    return true;
					}
				}
				break;
			default:
				break;
		}
		return false;
	}
}