import java.awt.*;

public class FibArray {
    public static void main(String args[]) {
        new MenuFib("MenuFib").menu();
    }
}

class MenuFib extends Frame {
    public MenuFib(String title) {
        super(title);
    }
    
    public void menu() {
        MenuBar menuBar = new MenuBar();
        Menu data = new Menu("Data");
        menuBar.add(data);
        data.add(new MenuItem("Input data..."));
        data.add(new MenuItem("-"));
        data.add(new MenuItem("Exit..."));
        setMenuBar(menuBar);
        setSize(150,150);
        show();
    }
    
    public boolean action(Event evt, Object arg) {
        if (evt.target instanceof MenuItem) {
            if (arg.equals("Input data..."))
                new DialogFib(this, "Input Data", true).dialog();
            else if (arg.equals("Exit...")) {
                System.exit(0);
                return true;
            }
        }
        
        return super.action(evt, arg);
    }
    
    public boolean handleEvent(Event evt) {
        if (evt.id == Event.WINDOW_DESTROY) {
            dispose();
            return true;
        }
        
        return super.handleEvent(evt);
    }
}

class DialogFib extends Dialog {
    int nf;
    static String temp;
    TextField tf;
    
    public DialogFib(Frame parent, String title, boolean isModal) {
        super(parent, title, isModal);
    }
    
    public void dialog() {
        int m = 3;
        setLayout(new GridLayout(2, 1));
        Panel panel = new Panel();
        panel.add(new Label("Number fib"));
        tf = new TextField(m);
        tf.setText(temp);
        panel.add(tf);
        add(panel);
        
        Panel okPanel = new Panel();
        okPanel.add(new Button("OK"));
        add(okPanel);
        pack();
        show();
    }
    
    public boolean action(Event evt, Object arg) {
        if (evt.target instanceof Button) {
            temp = tf.getText();
            nf = new Integer(temp).intValue();
            hide();
            if (nf > 92) {
                temp = "";
                new Corr("Corr number fib").corr();
            }
            else {
                new Fib(nf).fibo();
                return true;
            }                
        }
        
        return super.action(evt, arg);
    }

    public boolean handleEvent(Event evt) {
        if (evt.id == Event.WINDOW_DESTROY) {
            dispose();
            return true;
        }
        
        return super.handleEvent(evt);
    }
}

class Corr extends Frame {
    public Corr(String title) {
        super(title);
    }
    
    public void corr() {
        Label label = new Label("Number fib < 93");
        add(label);
        pack();
        show();
        move(300,0);
        new DialogFib(this, "Input Data", true).dialog();
    }

    public boolean handleEvent(Event evt) {
        if (evt.id == Event.WINDOW_DESTROY) {
            dispose();
            return true;
        }
        
        return super.handleEvent(evt);
    }
}

class Fib {
    int nf;
    long fib[] = new long[100];
    String fibs[] = new String[100];
    
    Fib(int nf) {
        this.nf = nf;
    }
    
    public void fibo() {
        fib[0] = fib[1] = 1;
        for (int i = 0; i < nf; i++) {
            fib[i+2] = fib[i] + fib[i+1];
            fibs[i] = "" + fib[i];
        }
        
        new TableFib(fibs, nf).table();
    }
}

class TableFib extends Frame {
    String fibs[] = new String[100];
    int nf;
    TextArea tt;
    
    public TableFib(String title) {
        super(title);
    }
    
    public TableFib(String fibs[], int nf) {
        this("Fibonacci table");
        this.nf = nf;
        for (int i = 0; i < nf; i++)
            this.fibs[i] = fibs[i];
    }
    
    public void table() {
        String str, Zagstr = "Number"+" Fibonacci"+"\n";
        tt = new TextArea(Zagstr, 92, 30);
        add(tt);
        for (int i = 0; i < nf; i++) {
            if (i < 9)
                str = "0" + (i+1) + " " + fibs[i] + "\n";
            else
                str = (i+1) + " " + fibs[i] + "\n";
            tt.append(str);
        }
        pack();
        move(300,0);
        show();
    }

    public boolean handleEvent(Event evt) {
        if (evt.id == Event.WINDOW_DESTROY) {
            dispose();
            return true;
        }
        
        return super.handleEvent(evt);
    }
}