/*
	A basic extension of the java.applet.Applet class
 */

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

public class wireBrowser extends Applet implements Runnable
{
    private Thread thread;
	private boolean isRunning = false;
		
	public void start()
	{
	    if(thread == null)
	    {
	        thread = new Thread(this);
	    }
	    isRunning = true;
	    thread.start();
	}
	
	public void run()
	{
	    while(isRunning)
	    {
	        if(getSpinOn())
	        {
	            if(wireCanvas.getMode().equals("Roll"))
	            {
	                wireCanvas.roll(wireCanvas.getDx(),wireCanvas.getDy());
	                wireCanvas.renderAll();
	            }
	            else if(wireCanvas.getMode().equals("Rotate"))
	            {
	                wireCanvas.rotate(wireCanvas.getDy());
	                wireCanvas.renderAll();
	            }
	        }
	        try
	        {
	            Thread.sleep(100);
	        }
	        catch(Exception e){}

	    }
	}
	
	public void stop()
	{
	    if((thread != null) && thread.isAlive())
	    {
	        thread.stop();
	    }
	    isRunning = false;
	    thread = null;
	}
	
	public void init()
	{
		wireCanvas.setCenter(this.getSize().width/2,this.getSize().height/2);
		// This code is automatically generated by Visual Cafe when you add
		// components to the visual environment. It instantiates and initializes
		// the components. To modify the code, only use code syntax that matches
		// what Visual Cafe can generate, or Visual Cafe may be unable to back
		// parse your Java file into its visual environment.
		//{{INIT_CONTROLS
		setLayout(new BorderLayout(0,0));
		setSize(702,410);
		controlPanel.setLayout(new GridLayout(12,1,0,0));
		add(BorderLayout.WEST,controlPanel);
		controlPanel.setBounds(0,0,62,410);
		rollButton.setLabel("Roll");
		controlPanel.add(rollButton);
		rollButton.setBounds(0,0,62,34);
		rotateButton.setLabel("Rotate");
		controlPanel.add(rotateButton);
		rotateButton.setBounds(0,34,62,34);
		moveButton.setLabel("Move");
		controlPanel.add(moveButton);
		moveButton.setBounds(0,68,62,34);
		moveZButton.setLabel("In & Out");
		controlPanel.add(moveZButton);
		moveZButton.setBounds(0,102,62,34);
		resizeButton.setLabel("Resize");
		controlPanel.add(resizeButton);
		resizeButton.setBounds(0,136,62,34);
		displayButton.setLabel("2D");
		controlPanel.add(displayButton);
		displayButton.setBounds(0,170,62,34);
		controlPanel.add(nosyButton);
		nosyButton.setBounds(0,204,62,34);
		wireOnButton.setLabel("Wire On");
		controlPanel.add(wireOnButton);
		wireOnButton.setBounds(0,238,62,34);
		spinOnButton.setLabel("Spin Off");
		controlPanel.add(spinOnButton);
		spinOnButton.setBounds(0,272,62,34);
		linksOnButton.setLabel("Links Off");
		controlPanel.add(linksOnButton);
		linksOnButton.setBounds(0,306,62,34);
		centerButton.setLabel("Center");
		controlPanel.add(centerButton);
		centerButton.setBounds(0,340,62,34);
		aboutButton.setLabel("About");
		controlPanel.add(aboutButton);
		aboutButton.setBounds(0,374,62,34);
		add(BorderLayout.EAST,wireCanvas);
		wireCanvas.setBackground(java.awt.Color.white);
		wireCanvas.setBounds(55,0,647,410);
		//}}
	
		//{{REGISTER_LISTENERS
		SymMouse aSymMouse = new SymMouse();
		rollButton.addMouseListener(aSymMouse);
		rotateButton.addMouseListener(aSymMouse);
		moveButton.addMouseListener(aSymMouse);
		moveZButton.addMouseListener(aSymMouse);
		resizeButton.addMouseListener(aSymMouse);
		displayButton.addMouseListener(aSymMouse);
		nosyButton.addMouseListener(aSymMouse);
		wireOnButton.addMouseListener(aSymMouse);
		spinOnButton.addMouseListener(aSymMouse);
		linksOnButton.addMouseListener(aSymMouse);
		centerButton.addMouseListener(aSymMouse);
		aboutButton.addMouseListener(aSymMouse);
		wireCanvas.addMouseListener(aSymMouse);
		//}}
		
		this.readFile(this.getParameter("file"));
		try
		{
		    StringTokenizer tokens = new StringTokenizer(this.getParameter("Background")," ");
		    int red = Integer.parseInt(tokens.nextToken());
		    int green = Integer.parseInt(tokens.nextToken());
		    int blue = Integer.parseInt(tokens.nextToken());
		    if(red > -1 && red < 256 && green > -1 && green < 256 && blue > -1 && blue < 256)
		    {
		        wireCanvas.setBackground(new Color(red,green,blue));
		    }
		}
		catch(Exception e)
		{
		    System.out.println("Missing Background"+e);
		}
		try
		{
		    wireCanvas.setMode(this.getParameter("Mode"));
		}
		catch(Exception e)
		{
		    System.out.println("Missing Mode"+e);
		}
		try
		{
		    wireCanvas.setDisplay(this.getParameter("Display"));
		    if(wireCanvas.getDisplay().equals("3D"))
		    {
		        displayButton.setLabel("3D");
		        nosyButton.setLabel("Parallax");
		    }
		    else
		    {
		        displayButton.setLabel("2D");
		        nosyButton.setLabel("");
		    }
		}
		catch(Exception e)
		{
		    System.out.println("Missing Display"+e);
		}
		try
		{
		    wireCanvas.setWireOn(Boolean.valueOf(this.getParameter("WireOn")).booleanValue());
		    if(wireCanvas.getWireOn())
		    {
		        wireOnButton.setLabel("Wire On");
		    }
		    else
		    {
		        wireOnButton.setLabel("Wire Off");
		    }
		}
		catch(Exception e)
		{
		    System.out.println("Missing WireOn"+e);
		}
		try
		{
		    this.setSpinOn(Boolean.valueOf(this.getParameter("SpinOn")).booleanValue());
		    if(getSpinOn())
		    {
		        spinOnButton.setLabel("Spin On");
		    }
		    else
		    {
		        spinOnButton.setLabel("Spin Off");
		    }
		}
		catch(Exception e)
		{
		    System.out.println("Missing SpinOn"+e);
		}
		try
		{
		    wireCanvas.setLinksOn(Boolean.valueOf(this.getParameter("LinksOn")).booleanValue());
		    if(wireCanvas.getLinksOn())
		    {
		        linksOnButton.setLabel("Links On");
		    }
		    else
		    {
		        linksOnButton.setLabel("Links Off");
		    }
		}
		catch(Exception e)
		{
		    System.out.println("Missing LinksOn"+e);
		}
		try
		{
		    wireCanvas.setDx(Float.valueOf(this.getParameter("Dx")).floatValue());
		}
		catch(Exception e)
		{
		    System.out.println("Missing Dx"+e);
		}
		try
		{
		    wireCanvas.setDy(Float.valueOf(this.getParameter("Dy")).floatValue());
		}
		catch(Exception e)
		{
		    System.out.println("Missing Dy"+e);
		}
		try
		{
		    wireCanvas.setScale(Float.valueOf(this.getParameter("Scale")).floatValue());
		}
		catch(Exception e)
		{
		    System.out.println("Missing Scale"+e);
		}		
		wireCanvas.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
	}
	
	//{{DECLARE_CONTROLS
	java.awt.Panel controlPanel = new java.awt.Panel();
	java.awt.Button rollButton = new java.awt.Button();
	java.awt.Button rotateButton = new java.awt.Button();
	java.awt.Button moveButton = new java.awt.Button();
	java.awt.Button moveZButton = new java.awt.Button();
	java.awt.Button resizeButton = new java.awt.Button();
	java.awt.Button displayButton = new java.awt.Button();
	java.awt.Button nosyButton = new java.awt.Button();
	java.awt.Button wireOnButton = new java.awt.Button();
	java.awt.Button spinOnButton = new java.awt.Button();
	java.awt.Button linksOnButton = new java.awt.Button();
	java.awt.Button centerButton = new java.awt.Button();
	java.awt.Button aboutButton = new java.awt.Button();
	wire wireCanvas = new wire();
	//}}
	
//Event Classes------------------------------------------------------------------------------------

	class SymMouse extends java.awt.event.MouseAdapter
	{
		public void mouseClicked(java.awt.event.MouseEvent event)
		{
			Object object = event.getSource();
			if (object == wireCanvas)
				wireCanvas_mouseClicked(event);
		}
		
		public void mouseReleased(java.awt.event.MouseEvent event)
		{
			Object object = event.getSource();
			if (object == rollButton)
				rollButton_MouseReleased(event);
			else if (object == rotateButton)
				rotateButton_MouseReleased(event);
			else if (object == moveButton)
				moveButton_MouseReleased(event);
			else if (object == moveZButton)
				moveZButton_MouseReleased(event);
			else if (object == resizeButton)
				resizeButton_MouseReleased(event);
			else if (object == displayButton)
				displayButton_MouseReleased(event);
			else if (object == nosyButton)
				nosyButton_MouseReleased(event);
			else if (object == wireOnButton)
				wireOnButton_MouseReleased(event);
			else if (object == spinOnButton)
				spinOnButton_MouseReleased(event);
			else if (object == linksOnButton)
				linksOnButton_MouseReleased(event);
			else if (object == centerButton)
				centerButton_MouseReleased(event);
			else if (object == aboutButton)
				aboutButton_MouseReleased(event);
		}
	}
	
//Get and Set Methods------------------------------------------------------------------------------

	boolean spinOn = false;
	
	public void setSpinOn(boolean spinOn)
	{
	    this.spinOn = spinOn;
	}
	
	public boolean getSpinOn()
	{
	    return spinOn;
	}

//Event Methods------------------------------------------------------------------------------------

	void rollButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.setMode("Roll");
	}

	void rotateButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.setMode("Rotate");
	}

	void moveButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.setMode("MoveXY");
	}

	void moveZButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.setMode("MoveZ");
	}

	void resizeButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.setMode("Resize");
	}

	void displayButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		if(wireCanvas.getDisplay().equals("2D"))
		{
		    displayButton.setLabel("3D");
		    nosyButton.setLabel("Parallax");
		    wireCanvas.setDisplay("3D");
		}
		else if(wireCanvas.getDisplay().equals("3D"))
		{
		    displayButton.setLabel("Polar");
		    nosyButton.setLabel("Parallax");
		    wireCanvas.setDisplay("Polar");
		}
		else
		{
		    displayButton.setLabel("2D");
		    nosyButton.setLabel("");
		    wireCanvas.setDisplay("2D");
		}
		wireCanvas.setMode("Roll");
	}

	void nosyButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		if(wireCanvas.getDisplay().equals("3D")|wireCanvas.getDisplay().equals("Polar"))
		{
		    wireCanvas.setMode("Parallax");
		}
	}

	void wireOnButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.setWireOn(!wireCanvas.getWireOn());
		if(wireCanvas.getWireOn())
		{
		    wireOnButton.setLabel("Wire On");
		}
		else
		{
		    wireOnButton.setLabel("Wire Off");
		}
		wireCanvas.setMode("Roll");
	}
	
	
	
	void spinOnButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		setSpinOn(!getSpinOn());
		if(getSpinOn())
		{
		    spinOnButton.setLabel("Spin On");
		}
		else
		{
		    spinOnButton.setLabel("Spin Off");
		}
	}
	
	void linksOnButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.setLinksOn(!wireCanvas.getLinksOn());
		if(wireCanvas.getLinksOn())
		{
		    linksOnButton.setLabel("Links On");
		}
		else
		{
		    linksOnButton.setLabel("Links Off");
		}
	}
	
	void centerButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		wireCanvas.center();
	}
	
	URL aboutURL;
	
	void aboutButton_MouseReleased(java.awt.event.MouseEvent event)
	{
		try
	    {
		    aboutURL = new URL("http://organic.chemistry.utep.edu");
		}
		catch(MalformedURLException e)
		{
		    System.out.println("Could not connect to URL");
		}
		if(aboutURL != null)
		{
		    getAppletContext().showDocument(aboutURL,"_blank");
		}
	}
	
	void wireCanvas_mouseClicked(java.awt.event.MouseEvent event)
	{
		Point point = new Point(event.getX(),event.getY());
		if(wireCanvas.getLinksOn())
		{
		    Surface surface = wireCanvas.identifySurface(point);
		    URL url = null;
		    if(surface != null && surface.url != null && !surface.url.equals(""))
		    {
		        if(surface.url.substring(0,7).equals("http://"))
		        {
		            try
	                {
		                url = new URL(surface.url);
		            }
		            catch(MalformedURLException e)
		            {
		                System.out.println("Could not connect to URL");
		            }
		            if(url != null)
		            {
		                getAppletContext().showDocument(url,"_blank");
		            }
		        }
		        else if(surface.url.substring(0,5).equals("_self"))
		        {
		            try
	                {
		                url = new URL(surface.url.substring(5));
		            }
		            catch(MalformedURLException e)
		            {
		                System.out.println("Could not connect to URL");
		            }
		            if(url != null)
		            {
		                getAppletContext().showDocument(url,"_self");
		            }
		        }
		        else
		        {
		            wireCanvas.clear();
		            this.readFile(surface.url);
		        }
		    }
		}
	}
	
	void readFile(String file)
	{
		String urlString = getCodeBase().toString();
  	    char URLSeparator = '/';
  	    urlString = urlString.substring(0,urlString.lastIndexOf(URLSeparator))+URLSeparator+file;
        try
        {
      	    URL url = new URL(urlString);
  		    InputStream in = url.openStream();
  	     	BufferedReader data = new BufferedReader(new InputStreamReader(in));
  	     	wireCanvas.readURL(data);
        }
        catch(MalformedURLException e)
        {
      	    System.out.println("Cannot connect.");
        }
  		catch(IOException e)
        {
      	    System.out.println("Not found.");
        }
	}
}