package com.TradingSystem.StockTicker;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;


public class QuoteDisplayer extends JFrame
{
	private static final long serialVersionUID = 1L;
	private JTextArea resultArea;
    private JButton exitButton;
    private JButton rQButton;
    private JPanel panel;

    private QuoteListener quoteListener;

    private static final int FRAME_WIDTH = 500;
    private static final int FRAME_HEIGHT = 500;

    private static final int AREA_ROWS = 10;
    private static final int AREA_COLUMNS = 30;

    public QuoteDisplayer()
    {
        resultArea = new JTextArea(AREA_ROWS, AREA_COLUMNS);
        resultArea.setEditable(false);

        createEButton();
        createRQButton();
        createPanel();

        getQuoteListener();

        setSize(FRAME_WIDTH, FRAME_HEIGHT);
    }

    private QuoteListener getQuoteListener()
    {
    	if(quoteListener == null)
    	{
    		quoteListener = new QuoteListener();
    	}

    	return quoteListener;
    }

    //--------------------------------------
    // Listener for ReceiveQuote Button
    //------------------------------------
    private void createRQButton()
    {
        rQButton = new JButton("Receive Quote");

        class ReceiveQuoteListener implements ActionListener
        {
            public void actionPerformed(ActionEvent event)
            {
            	getQuoteListener().quoteChanged(qe);

            	resultArea.append("Quote" + qe.getQuote() + " Stock ID: " +
            			qe.getStockId());
            }
        }

        ActionListener listener = new ReceiveQuoteListener();
        rQButton.addActionListener(listener);
    }

    //--------------------------
    // Listener for Exit Button
    //--------------------------
    private void createEButton()
    {
        exitButton = new JButton("Exit");

        class ExitListener implements ActionListener
        {
            public void actionPerformed(ActionEvent event)
            {
                System.exit(0);
            }
        }

        ActionListener listener = new ExitListener();
        exitButton.addActionListener(listener);
    }

    //------------------
    // Display panel
    //------------------
    private void createPanel()
    {
        panel = new JPanel();
        JScrollPane scrollPane = new JScrollPane(resultArea);
        panel.add(scrollPane);
        panel.add(exitButton);
        panel.add(rQButton);
        add(panel);
    }


}