/* Copyright (C) 2002 J. M. Spivey */

import java.awt.*;
import java.awt.event.*;

class Loader extends Dialog {
    private Turmites parent;
    
    private Panel choices = new Panel();
    private Panel buttons = new Panel();
    
    private final String[][] menu = { 
        { "Flash", "rL1bL1bL1bL1" },
        { "Turk", "rL1bR1bL1bL1" },
        { "Spiral", "gL1bL1bA2bL1gR1bL1gR1bL1" },
        { "Greek Spiral", "rL1bR2bL1bL1rR1bL2bL1bL1" },
        { "George", "rR2gL2yL2rL2yR2bR1bR1bR1" },
        { "Mystery", "rR1yR1bL1gL1" },
        { "Mystery 2", "yR1bR1rL1gL1" },
        { "Binary counter", 
	  "bL2bA1gA1bL1bL3bL1bL1bL1rL4bA3bL1bL1gL1bL1gL1bL1" },
        { "Last saved", "" }
    };
    private int choice = 0;
    private String saved = "";

    public void setSaved(String s) { saved = s; }
        
    public Loader(Turmites parent) {
        super(parent, "Choose a turmite");
        setModal(true);
        this.parent = parent;
        
        choices.setLayout(new GridLayout(menu.length, 1));
        CheckboxGroup grp = new CheckboxGroup();
        for (int i = 0; i < menu.length; i++) {
            final int ii = i;
            Checkbox cb = new Checkbox(menu[i][0], grp, i == 0);
            cb.addItemListener(new ItemListener() {
                public void itemStateChanged(ItemEvent e) {
                    choice = ii;
                }
            });
            choices.add(cb);
        }           
        
        addButton("Load", new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String desc = menu[choice][1];
                if (desc.equals("")) desc = saved;
                Loader.this.parent.load(desc);
                Loader.this.setVisible(false);
            }
        });
        addButton("Cancel", new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                Loader.this.setVisible(false);
            }
        });
        
        add(choices, "Center");
        add(buttons, "South");
        pack();
    }
    
    public void addButton(String label, ActionListener action) {
        Button b = new Button(label);
        if (action != null) b.addActionListener(action);
        buttons.add(b);
    }
    
    public String defaultDesc() { return menu[0][1]; }
}