/**
 * File: TickerDemo.java
 * Author: Brian Borowski
 * Date created: May 1999
 * Date last modified: January 30, 2011
 */
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class TickerDemo extends JApplet {
    private static final long serialVersionUID = 1L;
    private Ticker ticker;
    private JButton startBtn, stopBtn;
    private JComboBox textCmbo, backCmbo;
    private JLabel textLbl, backLbl;
    private JPanel controlPnl;
    private final Color colors[] = {
        Color.orange,
        Color.pink,
        Color.cyan,
        Color.magenta,
        Color.yellow,
        Color.black,
        Color.white,
        Color.gray,
        Color.lightGray,
        Color.darkGray,
        Color.red,
        Color.green,
        Color.blue
    };
    private final String colorNames[] = {
        "Orange",
        "Pink",
        "Cyan",
        "Magenta",
        "Yellow",
        "Black",
        "White",
        "Gray",
        "Light Gray",
        "Dark Gray",
        "Red",
        "Green",
        "Blue"
    };

    public void init() {
        String foreColor, backColor, tickerString;
        int foreColorNum, backColorNum;

        tickerString = getParameter("tickerString");
        if (tickerString == null) {
            tickerString = "This is a ticker tape.";
        }

        foreColor = getParameter("foreColor");
        if (foreColor != null) {
            try {
                foreColorNum = Integer.parseInt(foreColor);
            } catch (final NumberFormatException nfe) {
                foreColorNum = 4;
            }
        } else {
            foreColorNum = 4;
        }

        backColor = getParameter("backColor");
        if (backColor != null) {
            try {
                backColorNum = Integer.parseInt(backColor);
            } catch (final NumberFormatException nfe) {
                backColorNum = 5;
            }
        } else {
            backColorNum = 5;
        }
        ticker = new Ticker(tickerString,
                            colors[foreColorNum],
                            colors[backColorNum]);

        startBtn = new JButton("Start");
        startBtn.setMnemonic('S');
        startBtn.addActionListener(new ActionListener() {
            public void actionPerformed(final ActionEvent ae) {
                ticker.start();
            }
        });
        stopBtn = new JButton("Stop");
        stopBtn.setMnemonic('p');
        stopBtn.addActionListener(new ActionListener() {
            public void actionPerformed(final ActionEvent ae) {
                ticker.stop();
            }
        });

        textCmbo = new JComboBox();
        textCmbo.setBackground(Color.white);
        backCmbo = new JComboBox();
        backCmbo.setBackground(Color.white);
        final int numberOfItems = colorNames.length;
        for (int i = 0; i < numberOfItems; ++i) {
            textCmbo.addItem(colorNames[i]);
            backCmbo.addItem(colorNames[i]);
        }
        textCmbo.setSelectedIndex(foreColorNum);
        textCmbo.addItemListener(new ItemListener() {
            public void itemStateChanged(final ItemEvent ie) {
                ticker.setTextColor(colors[textCmbo.getSelectedIndex()]);
                ticker.repaint();
            }
        });
        backCmbo.setSelectedIndex(backColorNum);
        backCmbo.addItemListener(new ItemListener() {
            public void itemStateChanged(final ItemEvent ie) {
                ticker.setBackgroundColor(
                    colors[backCmbo.getSelectedIndex()]);
                ticker.repaint();
            }
        });

        textLbl = new JLabel("Text Color:", JLabel.RIGHT);
        textLbl.setDisplayedMnemonic('T');
        textLbl.setLabelFor(textCmbo);
        backLbl = new JLabel("Background Color:", JLabel.RIGHT);
        backLbl.setDisplayedMnemonic('B');
        backLbl.setLabelFor(backCmbo);

        controlPnl = new JPanel();
        controlPnl.setLayout(new FlowLayout());
        controlPnl.add(startBtn);
        controlPnl.add(stopBtn);
        controlPnl.add(textLbl);
        controlPnl.add(textCmbo);
        controlPnl.add(backLbl);
        controlPnl.add(backCmbo);

        final Container contentPane = getContentPane();
        contentPane.setLayout(new BorderLayout());
        contentPane.add("Center", ticker);
        contentPane.add("South", controlPnl);
        setVisible(true);
        stopBtn.requestFocusInWindow();
    }

    public void start() {
        ticker.start();
    }

    public void stop() {
        ticker.stop();
    }
}