import java.awt.*;
 import javax.swing.*;
 import javax.swing.event.*;
 import java.io.*;
 import java.applet.Applet;
 import java.util.StringTokenizer;
 import java.awt.event.*;
 import java.awt.datatransfer.*;
 
 
 public class ver4 extends Applet implements ActionListener, TextListener{
   TextArea ta=new TextArea();
   TextArea ts=new TextArea();
   
   TextArea stat=new TextArea(100, 5);
   Button avafail=new Button("ava fail");
   Button salvestafail=new Button("salvesta fail");
   Button kopeeri=new Button("kopeeri");
   Button aseta=new Button("aseta");
   Button puhasta=new Button("puhasta");
   Panel nupupaneel=new Panel(new GridLayout(1, 5));
   Panel alapaneel=new Panel(new GridLayout(1, 1));
   Clipboard malu = getToolkit().getSystemClipboard();
 
   JFileChooser valija=new JFileChooser(new File("."));
   JTextField sfnimi=new JTextField();
   //JPanel p=new JPanel(new GridLayout(2, 1));
   JTabbedPane paneel=new JTabbedPane();
   
   public ver4(){
   	 
     setLayout(new BorderLayout()); 
     add(paneel, BorderLayout.CENTER);
     paneel.add("Puhtand", ta);
     add(alapaneel, BorderLayout.NORTH);
     add(stat, BorderLayout.EAST);
     alapaneel.add(nupupaneel);
     nupupaneel.add(avafail);
     nupupaneel.add(salvestafail);
     nupupaneel.add(kopeeri);
     nupupaneel.add(aseta);
     nupupaneel.add(puhasta);

     avafail.addActionListener(this);
     salvestafail.addActionListener(this);
     kopeeri.addActionListener(this);
     aseta.addActionListener(this);
     puhasta.addActionListener(this);
     ta.addTextListener(this);
     paneel.addChangeListener(new SListener());
       
   }
   	
   
   public void textValueChanged(TextEvent e){
      arvutaStatistika();	
   }
   
   void arvutaStatistika(){
      int a=0;																			//statistika
      String s=ta.getText();
      StringTokenizer sonu = new StringTokenizer(s, " \n");
      while (sonu.hasMoreTokens()){
        a++;
        sonu.nextToken();
      }
      stat.setText("");
      stat.append("P: "+s.length()+"\n");
      stat.append("S: "+a+"\n");
      stat.append("R: "+new StringTokenizer(s, "\n").countTokens()+"\n");
      stat.append("L: "+new StringTokenizer(s, ".?!").countTokens()+"\n");
   }
    
   public void actionPerformed(ActionEvent e){
     if(e.getSource()==avafail){													//faili avamine
       valija.showOpenDialog(new JFrame());
       try{
          BufferedReader failist=new BufferedReader(new FileReader(valija.getSelectedFile()));
          String rida=failist.readLine();
          paneel.add("Mustand", ts);
          while(rida!=null){
            ts.append(rida+"\n");
            rida=failist.readLine();
          }
          failist.close();
        }catch(Exception viga){}   
     }
     if(e.getSource()==salvestafail){												//salvestamine
     	sfnimi.setText(JOptionPane.showInputDialog("Mis nimi failile anda?"));
     	try{
          PrintWriter faili=new PrintWriter(new FileWriter(sfnimi.getText()));
          faili.println(ta.getText());
          faili.close();
        }catch(Exception viga){
           //System.out.println("probleem kirjutamisel");
        }
  	 }
  	 if(e.getSource()==kopeeri){													//copy
  	   StringSelection data = new StringSelection(ta.getText());
       malu.setContents(data, data);
	 }
	 if(e.getSource()==aseta){														//paste
	   Transferable andmed = malu.getContents(this);
       String s;
       try {
        s = (String)(andmed.getTransferData(DataFlavor.stringFlavor));
       } catch (Exception viga) {
        s = viga.getMessage();
       }
       ta.setText(s);
	 }
	 if(e.getSource()==puhasta){													//clear
	   ta.setText("");
	 }
   }
   public static void main(String[] argumendid){
      Frame f=new Frame();
      f.setSize(500, 500);
      f.add(new ver4());
      f.setVisible(true);
      f.addWindowListener(new WindowAdapter(){
        public void windowClosing(WindowEvent e){
          System.exit(0);
        }
      });
   }
   class SListener implements ChangeListener{
   public void stateChanged(ChangeEvent l){
     
     int source=paneel.getSelectedIndex();
       
     
     System.out.println(""+source);
   }
 }
 
 }