/*


link.java


This is an applet that creates a drop down menu with links to sites that you specify in the param tags of you html file. 


Created: 6/13/96


By: Darryl Stoflet


dstoflet@calweb.com


http://www.calweb.com/~dstoflet


Thanks Suresh Srinivasan (suresh@thomtech.com) for the color parameters.


*/


import java.util.*;


import java.net.*;


import java.awt.*;


import java.applet.Applet;








public class link extends Applet{








    public int number;


    public Vector urls = new Vector();


    public Vector names = new Vector();


    public URL theURL = null;


    String at;


    StringTokenizer st;


    StringTokenizer str;


    String targetFrame;


    Color bgColor;


    String s;


    String rgbDelimiter = ":,.";





   public void init() {


       s = getParameter("bgColor");


	if (s != null) st = new StringTokenizer(s, rgbDelimiter);





	if (s == null)


	    bgColor = Color.lightGray;


	else if (s.equalsIgnoreCase("red"))


	    bgColor = Color.red;


	else if (s.equalsIgnoreCase("blue"))


	    bgColor = Color.blue;


	else if (s.equalsIgnoreCase("green"))


	    bgColor = Color.green;


	else if (s.equalsIgnoreCase("yellow"))


	    bgColor = Color.yellow;


	else if (s.equalsIgnoreCase("white"))


	    bgColor = Color.white;


	else if (s.equalsIgnoreCase("orange"))


	    bgColor = Color.orange;


	else if (s.equalsIgnoreCase("cyan"))


	    bgColor = Color.cyan;


	else if (s.equalsIgnoreCase("magenta"))


	    bgColor = Color.magenta;


                else if (s.equalsIgnoreCase("black"))


	    bgColor = Color.black;


	else if (st.countTokens() == 3) {


	    Integer r = new Integer(st.nextToken());


	    Integer g = new Integer(st.nextToken());


	    Integer b = new Integer(st.nextToken());


	    bgColor = new Color(r.intValue(), g.intValue(), b.intValue());


	} else


	    bgColor = Color.lightGray; 


        String input_location = getParameter("target");



         if(input_location != null) {



                targetFrame = input_location;



          }



           else{



                 targetFrame = "_parent";



           }


       String input_number = getParameter("number");


       number = Integer.parseInt(input_number);


       Choice theLinks = new Choice();


       for(int i = 0; i <= number; i++){


             at = getParameter("link" + i);


             str = new StringTokenizer(at, "\\");


             names.addElement(new String(str.nextToken())); 


             urls.addElement(new String(str.nextToken())); 


             theLinks.addItem((String)names.elementAt(i));


       }


       add(theLinks);


       setBackground(bgColor);


   }





   public boolean action(Event evt, Object arg){


        if(evt.target instanceof Choice){


          String site = (String)arg;


             for(int n = 0; n <= number; n++){


                if(site.equals((String)names.elementAt(n))){


                    try{theURL = new URL((String)urls.elementAt(n));}


                    catch(MalformedURLException e) {


                    System.out.println("Bad URL");}


                    getAppletContext().showDocument(theURL,targetFrame);


                }


             }


         } 


    return true; 


    }


}