import java.applet.*;
import java.awt.*;
import java.net.*;
import java.util.*;

// Main Class for applet Type1
//
//==============================================================================
public class Type1 extends Applet implements Runnable
{
	// THREAD SUPPORT:
	//		m_Type1	is the Thread object for the applet
	//--------------------------------------------------------------------------
	private Thread	 thread1 = null;

	private boolean running = true;

	String phrase1;

	String str[] = new String[25];
	int y[] = new int[25];

	char c_char;

	int x,n,i,speed,w,yc,c;

	FontMetrics fm;
	URL codebase;

	boolean sound, space;

	// Type1 Class Constructor
	//--------------------------------------------------------------------------
	public Type1()
	{


	}
    

    //--------------------------------------------------------------------------
	public void init()
	{
		codebase = getCodeBase();
		sound = true;

		speed = Integer.parseInt(getParameter("speed"));
		
		phrase1 = getParameter("phrase");
		String fontname = getParameter("fontname");
		int s_sound = Integer.parseInt(getParameter("sound"));
		
		if ( s_sound != 1 ) { sound = false; }

		setBackground(Color.white);
		setForeground(Color.black);
		setFont(new Font(fontname, 0, 16));

    		
	    fm = getFontMetrics(getFont());
		
		yc = ( size().height  - fm.getHeight() );
		
		for ( int j=0; j<25; j++ )
		{ str[j] = " ";
		  y[j] = yc;
		}
		c = 0;
		x = 5; 
		w = 5;

	}


	// Type1 Paint Handler
	//--------------------------------------------------------------------------
	public void paint(Graphics g)
	{

		for ( int j=0; j<=c; j++)
		{
			g.drawString(str[j], x, y[j]);
		
		}
	}

	//--------------------------------------------------------------------------
	public void start()
	{
		if (thread1 == null)
		{
			thread1 = new Thread(this);
			thread1.start();
		}

	}
	
	//--------------------------------------------------------------------------
	public void stop()
	{
		if (thread1 != null)
		{
			thread1.stop();
			thread1 = null;
		}

	}

	private void carriageReturn() 
	{
		
		for ( int jj=0; jj <= c; jj++ )
		{ 	y[jj] = y[jj] - fm.getHeight() - 1;  }


		phrase1 = phrase1.substring(i,n);
		w = 5; i=0;
		c++;
					
		if(sound) {
			try { thread1.sleep(50); } catch (Exception e) {}
			play(codebase, "bell.au"); 
			try { thread1.sleep(500); } catch (Exception e) {}
		}

	}

	// THREAD SUPPORT
	//--------------------------------------------------------------------------
	public void run()
	{

		
		i = 0;

		while (i<=n)
		{
			try
			{
									
				c_char = phrase1.charAt(i);
			    n = phrase1.length();
				
				str[c] = phrase1.substring(0,i);
				
			//---------------------------------------	
				if ( Character.isSpace(c_char) ) 
				{	space = true;    
				
					int i_wl = phrase1.indexOf(32, i+1);
					i_wl = i_wl - i;

					i_wl = i_wl * fm.charWidth(c_char);

					int space_left = (size().width-5) - w;

					if (i_wl > space_left) { carriageReturn(); }

				}
				
				else { space = false; }
			//---------------------------------------
				
				if ( new Character(c_char).charValue() == 36 ) { 
					 carriageReturn(); i++; }
				
				w += fm.charWidth(c_char);
			
				if (w>= (size().width - 5)) 
				{ 
					carriageReturn();
						
				}

				for ( int jjj=0; jjj<=c; jjj++ ) 
				{	
					if (str[jjj].startsWith("$") ) { str[jjj] = str[jjj].substring(1, str[jjj].length()); }
					if (str[jjj].startsWith(" ") ) { str[jjj] = str[jjj].trim(); } 
					
				}

				if ( (sound) && (!space) ){ play(codebase, "key.au"); }
				if ( (sound) && (space) ) { play(codebase, "bar.au"); }

				repaint();
		
		//---------- Adjust the Speed  -------------------- 
		//---------- So output is not constant   ----------
				Random random = new Random();

				int adj_speed = random.nextInt();
				adj_speed = Math.abs( (adj_speed % 150) + 50 );

				adj_speed += speed;

				Thread.sleep(adj_speed);
		//---------------------------------------	

				i++;
			}
			catch (InterruptedException e)
			{
				// TODO: Place exception-handling code here in case an
				//       InterruptedException is thrown by Thread.sleep(),
				//		 meaning that another thread has interrupted this one
				stop();
			}
		}

	}

	// MOUSE SUPPORT: Stop what you're doing when clicked.
	//--------------------------------------------------------------------------
	
	public boolean mouseDown(Event evt, int x, int y)
	{
		if ( (running) && (sound) ){
			running = false;
			sound = false;
			thread1.suspend();
		}
		else {
			running = true;			
			thread1.resume(); }

		if ( (running) && (!sound) ) {
			running = false;
			sound = true;
			thread1.suspend();
		}
		else {
			running = true;						
			thread1.resume(); }

		if ( (running) && (sound) ) {
			showStatus("Applet Thread Running with Sound"); }
		if ( (running) && (!sound) ) {
			showStatus("Applet Thread Running with NO Sound"); }
		
		if (!running) {	showStatus("Applet Thread Suspended"); }

		return true;
	}
	
	//--------------------------------------------------------------------------
	
	public boolean mouseUp(Event evt, int x, int y)
	{
		// TODO: Place applet mouseUp code here
		return true;
	}


	//--------------------------------------------------------------------------
	
	public boolean mouseEnter(Event evt, int x, int y)
	{
		// TODO: Place applet mouseEnter code here
		return true;
	}


 	//--------------------------------------------------------------------------
	
	public boolean mouseExit(Event evt, int x, int y)
	{
		// TODO: Place applet mouseExit code here
		return true;
	}


	//--------------------------------------------------------------------------
	public String getAppletInfo()
	{
		return "Name: Type1\r\n" +
		       "Author: Marcus Kazmierczak\r\n" +
		       "Date: April 19th, 97\r\n" +
			   "Created with Visual J++";
	}

}  // END