import java.awt.*;
import java.awt.event.*; //sündmused
import java.applet.Applet; //aken
import java.io.*; // failide jaox
import java.util.*;

public class Redaktor1 extends Applet implements ActionListener //et kuulax sõnumeid
{
	TextArea ta = new TextArea();
	Button salvestusnupp = new Button("Salvesta");
	Button lugemisnupp = new Button("Loe");
	Button statistika = new Button("Statistika");
	Panel nupupaneel = new Panel(new GridLayout(1,2)); // 1 rida, 2 veergu
	Panel alapaneel = new Panel(new GridLayout(2,1));

	TextField textivali = new TextField("");

	public Redaktor1() //konstruktor, asjad ekraanile
	{
		
		setLayout(new BorderLayout()); //servadesse ja keskele paigutamisex
		nupupaneel.add(lugemisnupp);
		nupupaneel.add(salvestusnupp);
		nupupaneel.add(statistika);
		
		alapaneel.add(textivali);
		alapaneel.add(nupupaneel);

		add(alapaneel, BorderLayout.NORTH); // paneel koos nuppudega
		add(ta, BorderLayout.CENTER); //textivälja paneme

		salvestusnupp.addActionListener(this);//et kuulax
		lugemisnupp.addActionListener(this);
		statistika.addActionListener(this);

	}
	
	public void actionPerformed(ActionEvent e)
	{
		try

		{		
				if(e.getSource()==statistika){
				int summa=0;
				String s=ta.getText();
				StringTokenizer stk=new StringTokenizer(s);
				while(stk.hasMoreTokens()){
				try{
				int arv=Integer.parseInt(stk.nextToken());
				summa+=arv;
				} catch (Exception viga){ta.setText("Probleem: "+ viga);}
				}
				
				//int tahed=0;
				//String s=ta.getText();
				//tahed=s.length();
				//if(e.getSource()==statistika){
                PrintWriter faili = new PrintWriter (new FileWriter("statistika.txt"));
				faili.print("Pikkus: "+summa);
				faili.close();
				}

			if (e.getSource()==salvestusnupp) //salvestamine
			{
	
			
				PrintWriter faili = new PrintWriter (new FileWriter(textivali.getText()));
				faili.print(ta.getText());
				faili.close();
				
			}
			if (e.getSource()==lugemisnupp)
			{	
				long failiPikkus = new File(textivali.getText()).length(); //faili pikkus
				char andmed[] = new char[(int)failiPikkus]; //teeme failipikkuse massiivi
				FileReader failist = new FileReader(textivali.getText()); // faili lugemine
				failist.read(andmed, 0, andmed.length); //loeme siis andmed
				ta.setText(new String(andmed));
			}
		}
			catch(IOException ioe){ta.setText("Probleem: "+ ioe);}
	}

	public static void main(String[] argumendid)
	{
		Frame f = new Frame("Textiredaktor");
		f.add(new Redaktor1());
		f.setSize(300,300);
		f.setVisible(true);
	}
};