import java.awt.*;
import java.applet.*;
import javax.swing.*;

public class Uppg1e extends JApplet implements Runnable{
  private TextYta ty;
  private Thread hoppText;
   
  public void init(){
	setBackground(new Color(20, 20, 0));
	this.setSize(640, 180);
	ty = new TextYta("Solen stiger över AIK!");
	this.getContentPane().add(ty,"Center");  
  }//init  
  
  public void run(){
    while(hoppText !=null){
       try{
           Thread.sleep(200); // antal millisek att sova
          }
	catch(InterruptedException e){
	        System.out.println("not working!");
	}
		repaint(); 
    }//while
  }//run	
  
   public void start() {
        if (hoppText == null) {
            hoppText = new Thread(this);
            hoppText.start();
        }
    }
  
   //OBS detta är appletens stop() INTE trådens OBS
   public void stop(){
	 hoppText = null; //Stoppar loopen i metoden run
   }//stop 

}//Uppg1e  


//Rita upp texten och slumpa ut värden för x & y positioner!
class TextYta extends JPanel{
	private Font minFont;
	private FontMetrics fm;
	private Dimension dim;
	private int x, y; 
	private final static int SFAKTOR = 10;
	private int [] Positions;
	private char [] chars;
	private String text;	   
   
    public TextYta(String text){
        super(); 
        this.setSize(640, 380);
        this.text = text;
        Positions = new int [text.length()];
        chars = text.toCharArray();
        setBackground(new Color(20, 20, 0));	    
        minFont = new Font("Helvetica", java.awt.Font.BOLD, 52);
    }//TextYta    

    public void paintComponent(Graphics g){
      super.paintComponent(g);     
      g.setColor(new Color(208, 208, 0));
      g.setFont(minFont);
      fm = g.getFontMetrics(minFont);
      dim = getSize();
      int sWidth = fm.stringWidth(text);
      int sHeight = fm.getHeight();	    
      x = (dim.width/3) - (sWidth/4);
      y = (dim.height/4) - (sHeight/3); 
      
	for(int i = 0; i < text.length(); i++) 
            Positions[i] = fm.charsWidth(chars, 0 , i);
        
        for(int i = 0; i < text.length(); i++){
            int xPosition = (int)(Math.random() * SFAKTOR) + x + Positions[i];
            int yPosition = (int)(Math.random() * SFAKTOR) + y + fm.getAscent();
            g.drawChars(chars, i ,1, xPosition, yPosition);
        }
    }//paintComponent
}//TextYta