import javax.swing.*;
import java.awt.event.*;
import java.awt.datatransfer.*;
import javax.swing.filechooser.FileFilter;
import java.awt.*;
import java.io.*;

public class uus1 extends JApplet {
    
    static JDesktopPane looRaamiPaneel(){
   
	    	
   	JToolBar riba = new JToolBar("Tööriistariba");
    
    final JButton a=new JButton("Ava1"); 
    riba.add(a);
    riba.addSeparator();
   
   
    final JButton c=new JButton("Salvesta1"); 
    riba.add(c);
     
    riba.addSeparator();
    riba.addSeparator();
    riba.addSeparator();
    riba.addSeparator();
    
    final JButton b=new JButton("Ava2"); 
    riba.add(b); 
    riba.addSeparator();
     
    
    final JButton d=new JButton("Salvesta2"); 
    riba.add(d); 
      
    JInternalFrame siseraam=new JInternalFrame("Redaktorike" );
    JInternalFrame siseraam1=new JInternalFrame("Redaktor1",true, false, true, false);
    JInternalFrame siseraam2=new JInternalFrame("Redaktor2",true, false, true, false);
    
    final JTextArea tf= new JTextArea();
    final JTextArea ta= new JTextArea();
    siseraam1.getContentPane().add(tf);
    siseraam2.getContentPane().add(ta);
    siseraam.getContentPane().add (riba);
    JDesktopPane paneel=new JDesktopPane();
  
    siseraam.setSize(790, 70);
    siseraam.setLocation(0,-30);
    siseraam.setVisible(true);
    paneel.add(siseraam);
    

    try{siseraam.setSelected(true);}catch (Exception e){}
    
    siseraam1.setSize(395, 480);
    siseraam1.setLocation(0,35);
    siseraam1.setVisible(true);
    paneel.add(siseraam1);
   
    try{siseraam1.setSelected(true);}catch (Exception e){}
    
    
    siseraam2.setSize(395, 480);
    siseraam2.setLocation(395, 35);
    siseraam2.setVisible(true);
    paneel.add(siseraam2);
    
/****************************************************** 
Reageerib nupuvajutusele ja avab failiotsingu akna
kust valitud tekstifaili sisu kopeeritakse ühte aknasse
*******************************************************/    
 a.addActionListener(new ActionListener(){
    public void actionPerformed (ActionEvent e) {
     
        
    if(e.getSource()==a){
    	//System.out.println("mõhh");

 JFileChooser valija=new JFileChooser(new File("."));
    valija.addChoosableFileFilter(new Pildifilter());
    valija.showDialog(new JFrame(), "Ava");
    System.out.println("Valiti "+valija.getSelectedFile());     
		try{
			
	  BufferedReader sisse=new BufferedReader(
      new FileReader(valija.getSelectedFile())
    );
    
    
    
    String tulemus=" ";
    for(String rida=sisse.readLine(); rida!=null; rida=sisse.readLine()){
    	tulemus=rida+tulemus+"\n";
    		}
  
     tf.setText(tulemus);
     //System.out.println(tulemus);
       sisse.close();
	}catch(IOException viga){viga.printStackTrace();}	
     
    }
    }
    
  });
//######################################################    
 b.addActionListener(new ActionListener(){
    public void actionPerformed (ActionEvent e) {   
    
      if(e.getSource()==b){
    	//System.out.println("mõhh");

 JFileChooser valija2=new JFileChooser(new File("."));
    valija2.addChoosableFileFilter(new Pildifilter());
    valija2.showDialog(new JFrame(), "Ava");
    System.out.println("Valiti "+valija2.getSelectedFile());     
		try{
			
	  BufferedReader sisse2=new BufferedReader(
      new FileReader(valija2.getSelectedFile())
    );
    
    
    
    String tulemus2=" ";
    for(String rida2=sisse2.readLine(); rida2!=null; rida2=sisse2.readLine()){
    	tulemus2=rida2+tulemus2+"\n";
    		}
  
     ta.setText(tulemus2);
     //System.out.println(tulemus);
       sisse2.close();
	}catch(IOException viga){viga.printStackTrace();}	    
}

  }
    
  });
/*************************************************** 
Salvestamisnuppude algus
****************************************************/
c.addActionListener(new ActionListener(){
    public void actionPerformed (ActionEvent e) {
     
        
    if(e.getSource()==c){
    	//System.out.println("mõhh");

 JFileChooser valija3=new JFileChooser(new File("."));
    valija3.addChoosableFileFilter(new Pildifilter());
    valija3.showDialog(new JFrame(), "Salvesta");
    System.out.println("Valiti "+valija3.getSelectedFile());     
	try{
			
		PrintWriter faili=new PrintWriter(
						  new FileWriter(valija3.getSelectedFile()));
		faili.println(tf.getText());
		faili.close();
	}catch(IOException viga){viga.printStackTrace();}
     
    }
    }
    
  });

//####################################################
d.addActionListener(new ActionListener(){
    public void actionPerformed (ActionEvent e) {
     
        
    if(e.getSource()==d){
    	//System.out.println("mõhh");

 JFileChooser valija4=new JFileChooser(new File("."));
    valija4.addChoosableFileFilter(new Pildifilter());
    valija4.showDialog(new JFrame(), "Salvesta");
    System.out.println("Valiti "+valija4.getSelectedFile());     
	try{
			
		PrintWriter faili=new PrintWriter(
						  new FileWriter(valija4.getSelectedFile()));
		faili.println(ta.getText());
		faili.close();
	}catch(IOException viga){viga.printStackTrace();}
     
    }
    }
    
  });

//####################################################
   
  return paneel;
}
  
  
  public void init(){
    
   
  getContentPane().add(looRaamiPaneel());
  }
  
   
  public static void main(String argumendid[]) throws Exception{
      
    JFrame f=new JFrame("TekstiRedaktor");
    f.setContentPane(looRaamiPaneel());
    f.setSize(800, 550);
    f.setVisible(true);
  }
}

//**************************************  
  
  class Pildifilter extends FileFilter{
  public boolean accept(File f){
    String failinimi=f.getName();
    if(failinimi.endsWith(".txt")|failinimi.endsWith(".doc"))
      return true;
    else return false;
  }
  public String getDescription(){
    return "Tekstifailid ";
  }
}
  
   
//**************************************