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

 public class redakt extends Applet implements ActionListener, TextListener, ItemListener, KeyListener{
  Choice valikupoiss=new Choice();
  TextArea sisu=new TextArea();
  TextArea stat=new TextArea(20,28);
  Button nupp=new Button("  Salvesta  ");
  Button nupp1=new Button("  Ava  ");
  Button nupp2=new Button("  Uus dokument  ");
  String failinimi="";
  TextField tf1=new TextField("");
  Label silt=new Label("Failinimi:");
  Label silt2=new Label("Jooksva kataloogi failid:");
  

  public redakt(){
    sisu.addKeyListener(this);
    tf1.addKeyListener(this);
    setLayout (new BorderLayout());
    Panel p=new Panel(new GridLayout(1, 6));
    Panel p2=new Panel(new GridLayout(1, 6));
    Panel p3=new Panel(new GridLayout(2, 1));
    add(sisu, BorderLayout.CENTER);
    stat.setEditable(false);
    add(stat, BorderLayout.EAST);
    p.add(nupp2);
    p.add(nupp1);
    p.add(nupp);  
    p2.add(silt);
    p2.add(tf1);
    p2.add(silt2);
    p2.add(valikupoiss); //siia failiv2rk juurde
    
    //failide lisamine rippmenyysse
    
    
   	File kataloog=new File(".");
      String failid[]=kataloog.list();
		Arrays.sort(failid, new Vordleja());

      try{
			for (int i=0; i<failid.length; i++){
				if ((failid[i].endsWith(".txt"))|(failid[i].endsWith(".rtf"))|(failid[i].endsWith(".html"))|(failid[i].endsWith(".java"))){
         	valikupoiss.add(failid[i]);
         
    	   	}
			 }
	   } catch (Exception jama) {}   
    p3.add(p);
    p3.add(p2);
    nupp1.addActionListener(this);
    nupp2.addActionListener(this);
    nupp.addActionListener(this);
    valikupoiss.addItemListener(this);
    tf1.addTextListener(this);
    sisu.addTextListener(this);
    add(p3, BorderLayout.SOUTH);

  			if(failinimi==""){

					nupp.setEnabled(false);
					nupp1.setEnabled(false);
				}

  			
  }
				public void textValueChanged(TextEvent m){

				  if (m.getSource()==tf1){
				   nupp.setEnabled(true);
 					nupp1.setEnabled(true);
					 	if((!tf1.getText().endsWith(".rtf"))&(!tf1.getText().endsWith(".txt"))&(!tf1.getText().endsWith(".java")&(!tf1.getText().endsWith(".html")))){
						nupp.setEnabled(false);
						nupp1.setEnabled(false);
						}
				
		
					}
					if (m.getSource()==sisu){
					
					
					
						
      			  
			        
			        String tervetekst=sisu.getText();
      	
 					  int tahtikokku=0;
					  int pikkus=0;
	     		     int sonu=0;
			        int ridu=0;
		           int lauseid=-3;
		           int maxsonapikkus=0;
		           String mark="";
		           
		           String maxsona="";
					  
					  
					  
											 					              
	            				

					  
					      StringTokenizer jupp= new StringTokenizer(tervetekst," ");
							String jupike="";
				      	while (jupp.hasMoreTokens()){
								    jupike=jupp.nextToken();    
 			                   if ((jupike.endsWith("?")) | (jupike.endsWith("!"))| (jupike.endsWith("."))){
			                      jupike=jupike.substring(0, jupike.length()-1);
			                    }
			                //   System.out.println(jupike.indexOf("\n"));
			                //   if ((jupike.indexOf("\n"))!=-1){jupike=jupike.substring(0,jupike.length()).concat(" ");}
									 if ((jupike.endsWith("?\n")) | (jupike.endsWith("!\n"))|(jupike.endsWith(".\n"))){
			                      jupike=jupike.substring(0, jupike.length()-2);
			                    }
   	                       tahtikokku+=jupike.length();
						          sonu++;
	            			   if (maxsonapikkus<jupike.length())  {
				                   maxsonapikkus=jupike.length();
				                   maxsona=jupike;
				               }
	      				}      
            			
			            	
			            
			            
			            
			            
			            for (int a=0; a<3; a++){
			            	if (a==0) {mark=".";}
								if (a==1) {mark="?";}
				      		if (a==2) {mark="!";;}
					      
								StringTokenizer lause= new StringTokenizer(tervetekst,mark);
									while (lause.hasMoreTokens()){									        
									        jupike=lause.nextToken();
						          	     lauseid++;
	            				}  
	            		}
      		     		

							StringTokenizer rida= new StringTokenizer(tervetekst,"\n");
									while (rida.hasMoreTokens()){							
											  jupike=rida.nextToken();				         	   	  
							              ridu++;	
					//if (jupike.length()==10){sisu.append(" \n");}
					             }
					
					stat.setText("Statistika: "+"\n"+"\n");
					stat.append("Tähti: "+tahtikokku+"\n");
					stat.append("Sõnu: "+sonu+"\n");
					if (maxsonapikkus<=14) {
					    stat.append("Pikim sõna on: '" +maxsona+"' "+"\n");
					   }
					   else {
					   	try{
					    String jupp1=maxsona.substring(0,15);
  					    String jupp2=maxsona.substring(15, maxsonapikkus);
				   	 stat.append("Pikim sõna on: '" +jupp1+"-"+"\n");
  				   	 stat.append(jupp2+"' "+"\n");
							} catch (Exception e){}
						}
				   	
					stat.append("    tähtede arvuga "+maxsonapikkus+"\n"+"\n");
					
							if (lauseid==-3){stat.append("Lauseid:"+"0" +"\n");}
							else	{stat.append("Lauseid: "+lauseid+"\n");}
					stat.append("Ridu: "+ridu+"\n");        
							}		 
					
				}



			public void keyPressed(KeyEvent klahvikas){
			int koodipoiss=klahvikas.getKeyCode();
 //			System.out.println(klahvikas.getKeyCode());
			if (koodipoiss==10) {
				sisu.append(" ");}
//				sisu.append(" ");}

			}
			public void keyTyped(KeyEvent klahvikas){
						if (klahvikas.getSource()==tf1)
						nupp.setLabel("Salvesta");
							}
			public void keyReleased(KeyEvent klahvikas){}

			public void itemStateChanged(ItemEvent e){
				    String fail=valikupoiss.getSelectedItem();
				    if (sisu.getText()=="") {nupp.setEnabled(false);}
					 else {nupp.setLabel("Asenda");} ///*****
		    		 tf1.setText(fail);
  			}






			  public void actionPerformed(ActionEvent e){
 
     
    	  
		    

   			 try {
					    if (e.getSource()==nupp){
				    	       failinimi=tf1.getText();
                         nupp.setLabel("Salvesta"); //***

		    	 
				
			   
			   
			   if ((!failinimi.endsWith(".rtf"))&(!tf1.getText().endsWith(".txt"))&(!tf1.getText().endsWith(".java")&(!tf1.getText().endsWith(".html")))){
					   	failinimi="";
						   tf1.setText("");
							nupp.setEnabled(false);
							nupp1.setEnabled(false);
						}
			   
			  

			    
	      PrintWriter valja=new PrintWriter(
      	new FileWriter(failinimi)
	    );
   	 String tx=(sisu.getText());
    		valja.println(tx);
    		valja.close();
			

		    }
    
    
    if (e.getSource()==nupp1){
    			failinimi=tf1.getText();
		    	 

    BufferedReader sisse=new BufferedReader(
      new FileReader(failinimi)
    );
    	 String rida=sisse.readLine();
	    sisu.setText("");
	    while (rida!=null){
       sisu.append(rida+"\n");
	    rida=sisse.readLine();
	    }
         
		   
    }
    
    	}
   	 catch (Exception viga){System.out.println("Viga");}
      	tf1.setText("");
			nupp.setEnabled(false);
	   	nupp1.setEnabled(false);

		if (e.getSource()==nupp2){
			sisu.setText("");	
         stat.setText("");
		
		}	    

  }        
   public static void main(String argumendid[]){
    Frame f=new Frame("Tekstiredaktor");
    f.setSize(600, 400);
    f.add(new redakt());
    f.setVisible(true);
 	 f.addWindowListener(new raamikuular());	
  }    

}

class raamikuular extends WindowAdapter{
	public void windowClosing (WindowEvent e){
	System.exit(0);
	}
}



class Vordleja implements Comparator {
	 public int compare (Object o1, Object o2 ){
	  String s1=(String)o1;
	  String s2=(String)o2;
	  return s1.compareToIgnoreCase(s2);
  }
  public boolean equals (Object o){return false;}
}