import java.applet.*;
import java.awt.*;
import javax.swing.*;
import java.util.*;
import isip.java.bullyse.bullydb.*;

public class TransactionApplet extends JApplet {

    public static BullyDB db;
    
    public void init() {
	
	// setup the BullyDB object;
	//
	db = new BullyDB();

	// get the user name
	//
	String user = getUser();

	// get the list of stocks they have invested in
	//
	Vector symbols = getSymbols(user);

	// layout the panel and draw it for all the stocks owned
	//
	layoutPanel(symbols);

    }


    private Vector getSymbols(String user) {

	// at this point, the database should be queried for 
	// all of the stocks that this user owns
	//
	
	Vector full = db.getHoldings(user);

	full.remove(0);

	Vector returnVector = new Vector(5,5);
	returnVector.add("Cash");

	for(int i = 0; i < full.size(); i++) {
	    String sym = ((Vector)full.elementAt(i)).elementAt(0).toString();
	    returnVector.add(sym);
	}	
	return returnVector;

    }

    private String getUser() {

	// somehow the username needs to be passed into 
	// the applet
	//
	return "000001";

    }

    private void layoutPanel(Vector symbols) {

	// set the layout so that all of the transactions will be spaced 
	// evenly in a single column.  There is a horizontal and vertical 
	// gap of three pixels.
	//
	
	JPanel transactionPanel = new JPanel();
	transactionPanel.setLayout(new GridLayout(symbols.size(),
						  1, 3, 3));
	transactionPanel.setSize(new Dimension(25 * symbols.size(), 400));

	// set the background color to the Gray in the webpage
	//
	transactionPanel.setBackground(new Color(0xd0, 0xd0, 0xd0));

	System.out.println(symbols.size());
	for(int i=0; i < symbols.size(); i++) {

	    // create the transactions and add them to the applet
	    //
	    Transaction tempTransaction = 
		new Transaction((String)symbols.get(i), this, getUser());

	    transactionPanel.add(tempTransaction);
	}

	JScrollPane scrollPane = new JScrollPane(transactionPanel);
	scrollPane.setPreferredSize(new Dimension(300, 72));
	System.out.println(scrollPane.getVerticalScrollBar().getBlockIncrement());
	//	scrollPane.getVerticalScrollBar().setBlockIncrement(100);

	this.getContentPane().add(scrollPane);
    }
   

}