import javax.swing.*;
import java.awt.*;
import java.util.*;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JEditorPane;
import javax.swing.JLabel;
import java.io.IOException;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.UIManager;
import javax.swing.JEditorPane;
import javax.swing.event.HyperlinkListener;
import javax.swing.event.HyperlinkEvent;
import javax.swing.JOptionPane;

public class BrowserNew implements ActionListener  //Main Executable class handling menu(LN:60,61) and checkitout button(LN:200)
{
    //MENU BAR & MENU & MENUITEM
    MenuBar mb;
    Menu file;
    MenuItem n,e;
    //LINK OR WEB ADDRESS OR URL(uniform resource locator) FEEDER
    static JTextField t1;
    JLabel l1; //Address Label
    JButton b1; //Check It Out Button
    JPanel p; //grouping the l1,t1,b1
    GridBagLayout gbl;  //Layout Manager of Panel
    GridBagConstraints gbc;
    static JFrame frame;
    JScrollPane scrollPane;
    static JEditorPane jep;
    Stack urlStack = new Stack();
    static String initialPage;
    JToolBar toolBar;

public BrowserNew()
{
    JFrame.setDefaultLookAndFeelDecorated(true);
    try
    {
       UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    }
    catch(Exception e)
    {
        e.printStackTrace();
    }
    frame=new JFrame("Simple Web Browser");
    mb=new MenuBar();
    file=new Menu("File");
    n=new MenuItem("New");
    e=new MenuItem("Exit");
    file.add(n);
    file.add(e);
    mb.add(file);
    frame.setMenuBar(mb);
    n.addActionListener(this);
    e.addActionListener(this);
    gbl=new GridBagLayout();
    gbc=new GridBagConstraints();
    toolBar = new JToolBar();

    ImageIcon iconBack = new ImageIcon("back.gif ");

    Action actionBack = new AbstractAction("Back", iconBack)
    {
              public void actionPerformed(ActionEvent e)
              {
                System.out.println("back action");
                if(urlStack.size()<=1)
                    return;
                urlStack.pop();
                String urlString = (String)urlStack.peek();
                t1.setText(urlString);
                initialPage=t1.getText();
                locate();
                }
      };
    ImageIcon iconForward = new ImageIcon("fwd.gif");
    Action actionForward = new AbstractAction("Forward", iconForward)
    {
                  public void actionPerformed(ActionEvent e)
                  {
                    System.out.println("Forward action");
                  }
      };
    ImageIcon iconSearch = new ImageIcon("b_search.gif");
    Action actionSearch = new AbstractAction("Search", iconSearch)
    {
                      public void actionPerformed(ActionEvent e)
                      {
                        System.out.println("Search action");
                      }
      };
      ImageIcon iconMail = new ImageIcon("mail.gif ");
          Action actionMail = new AbstractAction("Mail", iconMail)
          {
                    public void actionPerformed(ActionEvent e)
                    {
                      System.out.println("mail action");
                    }
      };
      ImageIcon iconActionCancelled= new ImageIcon("errorl.gif");
          Action actionActionCancelled = new AbstractAction("Action Cancelled", iconActionCancelled)
          {
                    public void actionPerformed(ActionEvent e)
                    {
                      System.out.println("Action Cancelled action");
                    }
      };
  ImageIcon iconRefresh= new ImageIcon("FOXSM.GIF");
          Action actionRefresh = new AbstractAction("Refresh", iconRefresh)
          {
                    public void actionPerformed(ActionEvent e)
                    {
                      System.out.println("Refresh action");
                    }
      };
ImageIcon iconHome= new ImageIcon("847572136_b1fd8c54ff_s.jpg");
          Action actionHome = new AbstractAction("Home", iconHome)
          {
                    public void actionPerformed(ActionEvent e)
                    {
                      System.out.println("Home action");
                    }
      };
       ImageIcon iconFavorites= new ImageIcon("dataFavoritesLogo[1].gif");
                Action actionFavorites = new AbstractAction("Favorites", iconFavorites)
                {
                          public void actionPerformed(ActionEvent e)
                          {
                            System.out.println("Favorites action");
                          }
      };
       ImageIcon iconHistory= new ImageIcon("history_logo_right_top[1].jpg");
                      Action actionHistory= new AbstractAction("History", iconHistory)
                      {
                                public void actionPerformed(ActionEvent e)
                                {
                                  System.out.println("History action");
                                }
      };
         ImageIcon iconMessenger= new ImageIcon("msn-messenger-logo[1].gif");
                            Action actionMessenger= new AbstractAction("Messenger", iconMessenger)
                            {
                                      public void actionPerformed(ActionEvent e)
                                      {
                                        System.out.println("Messenger action");
                                      }
      };
        ImageIcon iconPrint= new ImageIcon("printer.gif");
                                  Action actionPrint= new AbstractAction("Print", iconPrint)
                                  {
                                            public void actionPerformed(ActionEvent e)
                                            {
                                              System.out.println("Print action");
                                            }
      };
       ImageIcon iconResearch= new ImageIcon("images[42].jpg");
                                        Action actionResearch= new AbstractAction("Research", iconResearch)
                                        {
                                                  public void actionPerformed(ActionEvent e)
                                                  {
                                                    System.out.println("Research action");
                                                  }
            };
      JButton btn1 = toolBar.add(actionBack);
      btn1.setToolTipText("go to last page");
      JButton btn2 = toolBar.add(actionForward);
      btn2.setToolTipText("move to next page");
      JButton btn3 = toolBar.add(actionSearch);
      btn3.setToolTipText("Search web");
       JButton btn4= toolBar.add(actionMail);
      btn4.setToolTipText("read mail");
         JButton btn5= toolBar.add(actionActionCancelled);
      btn5.setToolTipText("stop");
      JButton btn6= toolBar.add(actionRefresh);
      btn6.setToolTipText("Refresh");
       JButton btn7= toolBar.add(actionHome);
      btn7.setToolTipText("Home");
       JButton btn8= toolBar.add(actionFavorites);
      btn8.setToolTipText("Favorites");
      JButton btn9= toolBar.add(actionHistory);
      btn9.setToolTipText("History");
      JButton btn10= toolBar.add(actionMessenger);
      btn10.setToolTipText("Messenger");
       JButton btn11= toolBar.add(actionPrint );
      btn11.setToolTipText("Print ");
         JButton btn12= toolBar.add(actionResearch );
      btn12.setToolTipText("Research ");
    p=new JPanel();
    p.setLayout(gbl);
    jep = new JEditorPane();
    t1=new JTextField();
    b1=new JButton("Check it out!");
    b1.addActionListener(this);
    frame.getRootPane().setDefaultButton(b1); // Rsponses the Enter KeyPress
    l1=new JLabel("Address");
    Label l0;
    l0=new Label("");
    gbc.anchor=GridBagConstraints.NORTHEAST;
    gbc.fill=GridBagConstraints.HORIZONTAL;
    gbc.gridx=0;
    gbc.gridy=0;
    gbc.weightx=0.0;
    gbc.weighty=1.0;
    gbl.setConstraints(l0,gbc);
    p.add(l0);
    gbc.anchor=GridBagConstraints.NORTHEAST;
    gbc.fill=GridBagConstraints.HORIZONTAL;
    gbc.gridx=0;
    gbc.gridy=1;
    gbc.weightx=1.0;
    gbc.weighty=1.0;
    gbl.setConstraints(l1,gbc);
    p.add(l1);
    l1.setToolTipText(" Address bar");
    gbc.anchor=GridBagConstraints.NORTHEAST;
    gbc.fill=GridBagConstraints.HORIZONTAL;
    gbc.gridx=1;
    gbc.gridy=1;
    gbc.weightx=30.0;
    gbc.weighty=1.0;
    gbl.setConstraints(t1,gbc);
    p.add(t1);
    t1.setToolTipText("Enter the link");
    gbc.anchor=GridBagConstraints.NORTHWEST;
    gbc.fill=GridBagConstraints.HORIZONTAL;
    gbc.gridx=2;
    gbc.gridy=1;
    gbc.weightx=1.0;
    gbc.weighty=1.0;
    gbl.setConstraints(b1,gbc);
    p.add(b1);
    b1.setToolTipText("click here to go");
    scrollPane = new JScrollPane(jep);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().add(p,BorderLayout.NORTH);
    frame.getContentPane().add(scrollPane,BorderLayout.CENTER);
    gbc.anchor=GridBagConstraints.NORTHEAST;
    gbc.fill=GridBagConstraints.HORIZONTAL;
    gbc.gridx=3;
    gbc.gridy=1;
    gbl.setConstraints(toolBar,gbc);
    p.add(toolBar);
    frame.setSize(1000,700);
    frame.setVisible(true);
}
public static void locate()
{
            char a=initialPage.charAt(0);
            char b=initialPage.charAt(1);
            char c=initialPage.charAt(2);
            char d=initialPage.charAt(3);
            char ea=initialPage.charAt(4);
            char f=initialPage.charAt(5);
            char g=initialPage.charAt(6);
            if((a=='h')&&(b=='t')&&(c=='t')&&(d=='p')&&(ea==':')&&(f=='/')&&(g=='/'))
            {
                initialPage=t1.getText();
            }
            else
            {
                initialPage="http://"+initialPage;
            }
            jep.setEditable(false);
            jep.addHyperlinkListener(new second(jep));
            try
            {
                  jep.setPage(initialPage);
            }
            catch (IOException ae)
            {
                   JOptionPane.showMessageDialog(frame,new String("Error: "+ae));
           }
}
public void actionPerformed(ActionEvent e)
{
    String str=e.getActionCommand();
    if(str.equals("New"))
    {
         System.out.println("new page action");
         new BrowserNew();
    }
    else if(str.equals("Exit"))
    {
         System.out.println("exit action");
    //    dispose();
    }
    else
    {
        urlStack.push(t1.getText());
        initialPage=t1.getText();
        locate();
        /*
        char a=initialPage.charAt(0);
        char b=initialPage.charAt(1);
        char c=initialPage.charAt(2);
        char d=initialPage.charAt(3);
        char ea=initialPage.charAt(4);
        char f=initialPage.charAt(5);
        char g=initialPage.charAt(6);
        if((a=='h')&&(b=='t')&&(c=='t')&&(d=='p')&&(ea==':')&&(f=='/')&&(g=='/'))
        {
            initialPage=t1.getText();
        }
        else
        {
            initialPage="http://"+initialPage;
        }
        jep.setEditable(false);
        jep.addHyperlinkListener(new second(jep));
        try
        {
              jep.setPage(initialPage);
        }
        catch (IOException ae)
        {
               JOptionPane.showMessageDialog(frame,new String("Error: "+ae));
       }
       //copied in a separate static function
       */
   }
}
public static void main(String[] args)
{
        new BrowserNew();
}
}