//	Control panel for Artificial Termites.
//
//	Author	Matthew Caryl
//	Created	29.10.96
//
//  Although under copywrite to the author (Matthew Caryl) this code can be copied and modified for non-commercial
//  purposes as long as any derivatives contain this condition.

package ArtificialTermites;

import java.awt.*;

final class ControlFrame extends Frame {
    World   owningWorld;
    Button  ok;
    Button  cancel;
    Choice  wood;
    Choice  termite;
    Choice  width;
    Choice  height;
    Choice  block;
    
    public ControlFrame (World world) {
        super("Termite Control");
        
        owningWorld = world;
        
        // Add an OK button to the base of the frame
        cancel = new Button("Cancel");
        ok = new Button("OK");
        Panel okPanel = new Panel();
        okPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 15, 15));
        okPanel.add(cancel);
        okPanel.add(ok);
        this.add("South", okPanel);
        
        // Add an signature to the top of the frame
        Panel sigPanel = new Panel();
        sigPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 15, 15));
        sigPanel.add(new Label("Matthew Caryl 1996"));
        this.add("North", sigPanel);
        
        // Add option menu for wood percentages starting with current value
        wood = new Choice();
        wood.addItem(Integer.toString(owningWorld.woodPercentage()));
        wood.addItem("---");
        for (int i = 5; i < 50; i += 5)
            wood.addItem(Integer.toString(i));
        
        // Add option menu for termite percentages starting with current value
        termite = new Choice();
        termite.addItem(Integer.toString(owningWorld.termitePercentage()));
        termite.addItem("---");
        for (int i = 1; i < 10; i++)
            termite.addItem(Integer.toString(i));
        
        // Add option menu for world width starting with current value
        width = new Choice();
        width.addItem(Integer.toString(owningWorld.width()));
        width.addItem("---");
        for (int i = 1; i < 1024; i *= 2)
            width.addItem(Integer.toString(i));
        
        // Add option menu for world height starting with current value
        height = new Choice();
        height.addItem(Integer.toString(owningWorld.height()));
        height.addItem("---");
        for (int i = 1; i < 1024; i *= 2)
            height.addItem(Integer.toString(i));
        
        // Add option menu for block size starting with current value
        block = new Choice();
        block.addItem(Integer.toString(owningWorld.blockSize()));
        block.addItem("---");
        for (int i = 1; i < 10; i++)
            block.addItem(Integer.toString(i));
        
        // Add a grid to contain all the controls
        Panel controlPanel = new Panel();
        controlPanel.setLayout(new GridLayout(5, 2, 0, 5)); // 5 rows, 2 columns, 0 horizontal, 5 verticle
        controlPanel.add(new Label("Wood percentage:"));    controlPanel.add(wood);
        controlPanel.add(new Label("Termite percentage:")); controlPanel.add(termite);
        controlPanel.add(new Label("World width:"));        controlPanel.add(width);
        controlPanel.add(new Label("World height:"));       controlPanel.add(height);
        controlPanel.add(new Label("Block size:"));         controlPanel.add(block);
        Panel alignPanel = new Panel();
        alignPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
        alignPanel.add("Center", controlPanel);
        this.add("Center", alignPanel);
        
        // Resize the window and display
        this.pack();
        this.show();
        }
    
    public boolean action(Event e, Object arg) {
        if (e.target == ok || e.target == cancel) {
            // capture new control values for ok
            if (e.target == ok) {
                int woodPercentage;
                int termitePercentage;
                int worldWidth;
                int worldHeight;
                int blockSize;
                
                try {
                    woodPercentage = Integer.parseInt(wood.getSelectedItem());
                    }
                catch (NumberFormatException e2) {
                    woodPercentage = owningWorld.woodPercentage();
                    }
                try {
                    termitePercentage = Integer.parseInt(termite.getSelectedItem());
                    }
                catch (NumberFormatException e2) {
                    termitePercentage = owningWorld.termitePercentage();
                    }
                try {
                    worldWidth = Integer.parseInt(width.getSelectedItem());
                    }
                catch (NumberFormatException e2) {
                    worldWidth = owningWorld.width();
                    }
                try {
                    worldHeight = Integer.parseInt(height.getSelectedItem());
                    }
                catch (NumberFormatException e2) {
                    worldHeight = owningWorld.height();
                    }
                try {
                    blockSize = Integer.parseInt(block.getSelectedItem());
                    }
                catch (NumberFormatException e2) {
                    blockSize = owningWorld.blockSize();
                    }
                owningWorld.initialiseWorld(worldWidth, worldHeight, blockSize, woodPercentage, termitePercentage);
                }
            // restart world and dispose of controls
            owningWorld.start();
            this.hide();
            this.dispose();
            return true;
            }
        else
            return false;
        }
    }