/**
 * MinibrowseCore provides the tools for a basic web browser.
 *
 * @author Dave Musicant
 * @author Jack Goldfeather
 * @author Amy Csizmar Dalal
 */

import javax.swing.*;
import java.io.*;
import java.awt.*;
import java.util.*;
import java.awt.event.*;

public class MinibrowseCore
{
    private JFrame frame;
    private JEditorPane htmlPane;
    private JPanel panel;

    /**
     * Constructor.
     */
    public MinibrowseCore()
    {
        // Set up the main window.
        frame = new JFrame("Minibrowse");
        frame.setLocation(50,50);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        // Create a component that can render HTML. Wrap a scollbar
        // component around it.
        htmlPane = new JEditorPane();
        htmlPane.setContentType("text/html");
        htmlPane.setEditable(false);
        JScrollPane scrollPane = new JScrollPane(htmlPane);
        scrollPane.setPreferredSize(new Dimension(500,500));

        // Create a JPanel to hold the "toolbar" that contains the
        // Home button and the URL field.
        panel = new JPanel();

        // Add the "toolbar" panel to the top of the window, and the
        // scrollable HTML window to the middle of the window.
        frame.add(panel,BorderLayout.NORTH);
        frame.add(scrollPane,BorderLayout.CENTER);
        frame.pack();
        frame.setVisible(true);
    }

    /**
     * Render a specific web page.
     *
     * @param page the page to be rendered
     */
    public void setPage(String page)
    {
        try
        {
            htmlPane.setPage(page);
        }
        catch (IOException exc)
        {
            JOptionPane.showMessageDialog(frame,"Bad page.","Error",
                                          JOptionPane.ERROR_MESSAGE);
        };
    }

    /**
     * Add a GUI component to the window. Components are added from
     * left to right across the top.
     * @param component the JComponent to be added. Could be a
     * JButton, JTextField, or anything else that inherits from JComponent.
     */
    public void add(JComponent component)
    {
        panel.add(component);
        frame.pack();
    }

}