import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.io.*;

public class Pakib1 extends Applet implements ActionListener {

  int vanaarv=0;
  Label silt1=new Label("Sinu sõna: ");
  Label silt2=new Label("Tulemus: ");
  Label silt3=new Label("Faili nimi: ");
  
  TextField tf1=new TextField(20); 
  Button kirjutaf=new Button("Kirjuta faili");
  Button loef=new Button("Loe failist");
  TextField tf2=new TextField(30);
  TextField tf3=new TextField(10);
  
  public Pakib1(){
    add(silt1);
    add(tf1);
    add(silt2);
    add(tf2);
    add(silt3);
    add(tf3);
    add(kirjutaf);
    add(loef);

    kirjutaf.addActionListener(this);
    loef.addActionListener(this);
    tf1.addActionListener(this);
  }

  public void actionPerformed(ActionEvent e){
		if(e.getSource()==kirjutaf){
    			Kirjuta_faili();
    			repaint();
    		}else if(e.getSource()==loef){
			Loe_failist();
    			repaint();
    		}else if(e.getSource()==tf1){
			Teisenda();
    			repaint();
    		}

  }	



	public void Teisenda(){
		try{	
			String s = tf1.getText();
			int loe=1;
			
  			for(int i=0;i<s.length()-1; i++){
				System.out.println("i: "+i);
				System.out.println("s.charAt(i): "+s.charAt(i));
				System.out.println("s.charAt(i+1): "+s.charAt(i+1));
				if(s.charAt(i)==s.charAt(i+1)){
					System.out.println("Olid võrdsed,teine oli ka "+s.charAt(i+1));
					loe++;
					System.out.println("Neid on juba "+loe);
					if(i+1==s.length()-1){
						System.out.println("See oli viimane täht "+s.charAt(i));
						tf2.setText(tf2.getText()+loe+" "+s.charAt(i)+" ");	
					}
				}else{
					System.out.println("Ei olnud võrdsed,teine oli "+s.charAt(i+1));
					tf2.setText(tf2.getText()+loe+" "+s.charAt(i)+" ");
					loe=1;
				}
			}
		}catch(Exception viga){}
 	}

	
	

	public void Kirjuta_faili(){
		try{
    		PrintWriter valja=new PrintWriter(
      		new FileWriter(tf3.getText(), true)
       		); 
  		valja.println(tf2.getText());
  		valja.close();
  		}catch(Exception viga){}
 	}



	public void Loe_failist(){
		try{
 			BufferedReader sisse=new BufferedReader(
     				new FileReader(tf3.getText())
 			);
   			String rida=sisse.readLine();
   			while (rida!=null){
				tf2.setText(rida+'\n');
    				rida=sisse.readLine();
   			}sisse.close();
		}catch(Exception viga){}
 	}   


	   
 
		public static void main(String argumendid[]){
    			Frame f=new Frame("Pakkimine");
    			f.add(new Pakib1());
    			f.setSize(200,200);
    			f.setVisible(true);
  		} 	   

}