import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class SonaPaigutus5 extends JPanel 
             implements MouseListener, MouseMotionListener, ActionListener{
   java.util.List<Sona> sonad=new ArrayList<Sona>();
   Sona s1=new Sona("Kauss", 50, 30);
   Sona s2=new Sona("Tass", 150, 30);
   JTextField tf=new JTextField();
   Sona valitud=null;
   public SonaPaigutus5(){
      setLayout(new BorderLayout());
      sonad.add(s1);
      sonad.add(s2);
	  add(tf, BorderLayout.SOUTH);
	  tf.addActionListener(this);
      addMouseListener(this);
	  addMouseMotionListener(this);
   }
   public void paintComponent(Graphics g){
      super.paintComponent(g);
	  for(Sona s:sonad){
	    s.joonista(g);
	  }
   }
   Sona leiaSonaKohal(int x, int y){
      for(Sona s:sonad){
	     if(s.kasSees(x, y)){return s;}
	  }
      return null;
   }
   public void mousePressed(MouseEvent e){
     valitud=leiaSonaKohal(e.getX(), e.getY());
     if(valitud==null && tf.getText().length()>0){
      sonad.add(new Sona(tf.getText(), e.getX(), e.getY()));
	  tf.setText("");
	 }		 
     if(valitud!=null){
	    if((e.getModifiersEx() & e.SHIFT_DOWN_MASK) !=0 ){
		   sonad.remove(valitud); //shift all kustutab
		} else {
	      tf.setText(valitud.kysiTekst());
		}
	 }	 
	 repaint();
   }
   public void mouseReleased(MouseEvent e){
      liigutaValitudSona(e);
   }
   public void mouseClicked(MouseEvent e){}
   public void mouseEntered(MouseEvent e){}
   public void mouseExited(MouseEvent e){}
   
   public void liigutaValitudSona(MouseEvent e){
      if(valitud!=null){
	     valitud.muudaAsukoht(e.getX(), e.getY());
		 repaint();
	  }
   }
   
   public void mouseMoved(MouseEvent e){}
   public void mouseDragged(MouseEvent e){
      liigutaValitudSona(e);
   }
   
   public void actionPerformed(ActionEvent e){
      if(e.getSource()==tf && valitud!=null){
	     valitud.muudaTekst(tf.getText());
		 repaint();
	  }
   }
   public static void main(String[] arg){
     JFrame f=new JFrame("Sõna paigutus");
	 f.getContentPane().add(new SonaPaigutus5());
	 f.setSize(400, 300);
	 f.setVisible(true);
	 f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   }
}