import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.io.*;
import java.util.Date;
//import java.util.List;

public class Tekstiredaktor2 extends Applet implements ActionListener {


	Frame save_aken=new Frame("Save/Open");
	Button save_nupp=new Button("SAVE");
	Button t_modified=new Button();
	TextArea tekstiala=new TextArea();
	TextField title=new TextField("Untitled");
	Panel save_panel=new Panel(new GridLayout(1,2));
	List list=new List();
	String s; // nupu käskude kontroll
	String o_c;  // open-close kontroll, et siis kumb
	int num_letters;

	public Tekstiredaktor2(){
	 Button salvesta=new Button("SAVE");
	 Button uus=new Button("NEW");
	 Button ava=new Button("OPEN");
	 Button modified=new Button("Last modified: ");
	 //Button t_modified=new Button();
	 Panel ylemine=new Panel(new GridLayout(1,3));
	 Panel alumine=new Panel(new GridLayout(1,2));
		  ylemine.add(uus);
		  ylemine.add(ava);
		  ylemine.add(salvesta);
		  alumine.add(modified);
		  alumine.add(t_modified);
		  setLayout(new BorderLayout());
		  add(ylemine, BorderLayout.NORTH);
		  add(alumine, BorderLayout.SOUTH);
		  add(tekstiala);
		  salvesta.setActionCommand("save");
		  salvesta.addActionListener(this);
		  uus.setActionCommand("new");
		  uus.addActionListener(this);
		  ava.setActionCommand("open");
		  ava.addActionListener(this);
		  modified.setEnabled(false);
		  t_modified.setEnabled(false);
	}

	public void savebox(){
			save_nupp.setActionCommand("close");
			save_nupp.addActionListener(this);
			save_panel.add(title);
			save_panel.add(save_nupp);
			setLayout(new BorderLayout());
			save_aken.add(list);
			save_aken.add(save_panel, BorderLayout.SOUTH);
			save_aken.setSize(150,200);
			save_aken.setLocation(250,200);
			save_aken.setVisible(true);

			File kataloog=new File(".");
			String failid[]=kataloog.list();
			for(int x=0;x<failid.length;x++){
				if(failid[x].endsWith(".txt"))
				list.add(failid[x]);
				//list.addItemListener(this);
			}
	}

	public void save(){
		o_c=save_nupp.getLabel();
	 try{
		 if(o_c=="SAVE"){
	 	String heading="Untitled";
		heading=title.getText();
		PrintWriter to_file=new PrintWriter(new FileWriter(heading+".txt"));
		to_file.print(tekstiala.getText());
		to_file.close();
		save_aken.setVisible(false);
		 }
		 else if(o_c=="OPEN"){
			 String  pealkiri=title.getText();
		File fail=new File(pealkiri+".txt");
		 if(fail.exists()){
			 t_modified.setLabel(""+new Date(fail.lastModified()));
		 }
		long failipikkus=new File(pealkiri+".txt").length();
		char[] andmed=new char[(int)failipikkus];
		FileReader failist=new FileReader(pealkiri+".txt");
		failist.read(andmed, 0, andmed.length);
		tekstiala.setText(new String(andmed));
		save_aken.setVisible(false);
		 }
	 }catch (IOException ioe) { tekstiala.setText("Problem: "+ioe);}
	}

	public void actionPerformed(ActionEvent e){
		
		s=e.getActionCommand();
		if(s=="save") {savebox(); save_nupp.setLabel("SAVE");}
		else if(s=="close") save();
		else if(s=="new") tekstiala.setText(""); // hiljem salvestamise küsimine
		else if(s=="open") {savebox(); save_nupp.setLabel("OPEN");}
	}

public static void main(String argumendid[]){

  Frame f=new Frame("TextEditor AMA beta");
  f.setSize(400,500);
  f.setLocation(100,100);
  f.add(new Tekstiredaktor2());
  f.setVisible(true);

 }
}