package com.caplet.manna;

import java.awt.*;

/**
 * Each side of the Manna Mouse screen is a separately growing culture dish.  
 * A Culture includes a GA, a visualisation of the GA: a GAPainter, and the 
 * various GUI controls specific to each GA.
 *
 * @author Mark S. Miller, markm@caplet.com
 * @author Terry Stanley, tstanley@cocoon.com
 */
public class Culture extends Panel {
	private Panel myControls;
	/*package*/ GA myGA;
	/*package*/ GAPainter ourEvolver = null;

    /**
     * Makes a new Culture with the default settings
     */
	public Culture() {
		myGA = new GA();

		myControls = new Panel();
		myControls.setForeground(new Color(0, 0, 51));  // blue-black
		myControls.setBackground(Color.white);
		myControls.setFont(new Font("Times Roman", Font.BOLD, 9));
		myControls.setLayout(new BorderLayout());

		Panel north, center;
		Choice popSize, mutants;

		north = new Panel();
		north.setForeground(new Color(0, 0, 51));  // blue-black
		north.setBackground(Color.white);
		myControls.setFont(new Font("Times Roman", Font.BOLD, 9));
		north.setLayout(new FlowLayout(FlowLayout.CENTER));
		north.add(new Label("population:"));
		popSize = new Choice();
		popSize.addItem("512");
		popSize.addItem("1024");
		popSize.addItem("2048");
		popSize.select("1024");
		north.add(popSize);
		north.add(new Label("mutants:"));
		mutants = new Choice();
		mutants.addItem("0%");
		mutants.addItem("2%");
		mutants.addItem("5%");
		mutants.select("2%");
		north.add(mutants);

		myControls.add("North", north);

		center = new Panel();
		center.setForeground(new Color(0, 0, 51));  // blue-black
		center.setBackground(Color.white);
		myControls.setFont(new Font("Times Roman", Font.BOLD, 9));
		center.setLayout(new FlowLayout(FlowLayout.CENTER));
		
		Checkbox gray       = new Checkbox("gray", null, false);
		Checkbox uniform    = new Checkbox("uniform", null, true);
		Checkbox local      = new Checkbox("local", null, false);
		Checkbox consumed   = new Checkbox("consumed", null, true);
		
		//"enabled(boolean)" is deprecated in 1.1, but no alternative exists 
        //in the horrible AWT 1.0x.
		gray.enable(false);
		local.enable(false);
		
		center.add(gray);
		center.add(uniform);
		center.add(local);
		center.add(consumed);

		myControls.add("Center", center);

		setLayout(new BorderLayout());
		add("South", myControls);
		add("Center", myGA);
	}
	
    /**
     * This dispatches on a UI event in the horrible way appropriate to 
     * AWT 1.0x.
     *
     * @deprecated but used until we can stop supporting Java 1.0x
     */
	public boolean action(Event event, Object arg) {
		if (event.target instanceof Choice) {
			float newMutants;
			int newPopSize;

			if (event.arg == "0%")			newMutants = (float)0.0;
			else if (event.arg == "2%")		newMutants = (float)0.02;
			else if (event.arg == "5%")		newMutants = (float)0.05;
			else {
				if (event.arg == "512")			newPopSize = 512;
				else if (event.arg == "1024")	newPopSize = 1024;
				else if (event.arg == "2048")	newPopSize = 2048;
				else return false;
				
				synchronized(ourEvolver) {
					if (newPopSize != myGA.popSize()) {
						myGA.setPopSize(newPopSize);
 						myGA.update(myGA.getGraphics());  // clear, then paint
					}
					return true;
				}
			}
			synchronized (ourEvolver) {
				myGA.myMutationRate = newMutants;
				return true;
			}

		} else if (event.target instanceof Checkbox) {
			boolean value = ((Boolean)event.arg).booleanValue();

			synchronized (ourEvolver) {
				if (((Checkbox)event.target).getLabel() == "gray") {
					myGA.amGray = value;
					return true;
				} else if (((Checkbox)event.target).getLabel() == "uniform") {
					myGA.amUniform = value;
					return true;
				} else if (((Checkbox)event.target).getLabel() == "consumed") {
					myGA.amConsumed = value;
					return true;
				} else if (((Checkbox)event.target).getLabel() == "local") {
					myGA.amLocal = value;
					return true;
				}
			}
		}
		return false;
	}
}