import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;

public class AsciiCanvas extends JTextArea implements java.io.Serializable {
	String[] frames;
	int curr;
	public AsciiCanvas(){
		frames = new String[11];
		curr = 5;
	}
	
	public void prevFrame(){
		if(frames.isEmpty()){
			frames.add(getText());
			li = frames.listIterator();
		}
		if(li.hasPrevious()){
			System.out.println("Iterator at: " + li.previousIndex());
		} else {
			frames.add(getText());
		}
		System.out.println(frames.toString());
		setText("");
	}
	
	public void nextFrame(){
		if(frames.isEmpty()){
			frames.add(getText());
			li = frames.listIterator();
		}
		if(li.hasNext()){
			System.out.println(li.next());
		} else {
			frames.add(getText());
		}
		System.out.println(frames.toString());
		setText("");
	}
	
	public void save(){
		try{
			FileOutputStream fos = new FileOutputStream("data.dat");
			ObjectOutputStream oos = new ObjectOutputStream(fos);
			oos.writeObject(this);
			oos.close();
			fos.close();
		}catch(IOException ioe){
			ioe.printStackTrace();
		}
	}
	
	public void load(){
	}
	
	public void anim(){
	}
}