import java.awt.*;
import java.net.*;
import java.io.*;
import java.awt.event.*;

public class Gui extends Frame
{
  private MenuBar m_mb;
  private Menu m_file;
  private Menu m_command;
  private MenuItem m_new;
  private MenuItem m_open;
  private MenuItem m_save;
  private MenuItem m_save_as;
  private MenuItem m_exit;
  private MenuItem m_start;
  private MenuItem m_stop;

  private TextArea m_result;
  private TextArea m_script;

  private Font m_menufont;
  private Font m_scriptfont;

 
  public Gui()
  {
    super("Web Script: No Title");
 
    // set up menu bar
    m_mb = new MenuBar();
    setMenuBar(m_mb);

    // create menus
    m_file = new Menu("File");
    m_mb.add(m_file);

    m_command = new Menu("Command");
    m_mb.add(m_command);

    // set up "File" menu
    m_new = new MenuItem("New Script");
    m_file.add(m_new);

    m_file.addSeparator();

    m_open = new MenuItem("Open Script");
    m_file.add(m_open);
    
    m_file.addSeparator();

    m_save = new MenuItem("Save Script");
    m_file.add(m_save);

    m_save_as = new MenuItem("Save as");
    m_file.add(m_save_as);

    m_file.addSeparator();

    m_exit = new MenuItem("Exit");
    m_file.add(m_exit);

    // set up "Command" menu
    m_start = new MenuItem("Run Script");
    m_command.add(m_start);

    m_stop = new MenuItem("Stop");
    m_command.add(m_stop);


    // create textareas for script and result
    m_result = new TextArea();
    m_result.setEditable(false);

    m_script = new TextArea();

   // set up "File" menu action
    m_new.addActionListener(new FileCommand(FileCommand.NEW,this));
    m_new.setShortcut(new MenuShortcut(KeyEvent.VK_F1));

    m_open.addActionListener(new FileCommand(FileCommand.OPEN,this));
    m_open.setShortcut(new MenuShortcut(KeyEvent.VK_F2)); 

    m_save.addActionListener(new FileCommand(FileCommand.SAVE,this));
    m_save.setShortcut(new MenuShortcut(KeyEvent.VK_F3));

    m_save_as.addActionListener(new FileCommand(FileCommand.SAVEAS,this));
    m_save_as.setShortcut(new MenuShortcut(KeyEvent.VK_F4));

    m_exit.addActionListener(new FileCommand(FileCommand.EXIT,this));
    m_new.setShortcut(new MenuShortcut(KeyEvent.VK_F9));

    // set up "Command" menu action
    ExecutionCommand start = new ExecutionCommand(ExecutionCommand.START,this);
    ExecutionCommand stop = new ExecutionCommand(ExecutionCommand.STOP,this);

    m_start.addActionListener(start);
    m_start.setShortcut(new MenuShortcut(KeyEvent.VK_F7));

    m_stop.addActionListener(stop);
    m_stop.setShortcut(new MenuShortcut(KeyEvent.VK_F8));

    // set up menu Font 
    m_menufont = new Font("Times Roman",Font.BOLD,12);

    m_file.setFont(m_menufont);
    m_command.setFont(m_menufont);
    m_new.setFont(m_menufont);
    m_open.setFont(m_menufont);
    m_save.setFont(m_menufont);
    m_save_as.setFont(m_menufont);
    m_exit.setFont(m_menufont);
    m_start.setFont(m_menufont);
    m_start.setFont(m_menufont);

    // set up script font
    m_scriptfont = new Font("Courier", Font.PLAIN,14);

    m_result.setFont(m_scriptfont);
    m_script.setFont(m_scriptfont);

    // set layout
    setLayout(new BorderLayout());
    add("Center",m_result);
    add("South",m_script);
    pack();
    
  }

  public TextArea getScript()
  {
    return m_script;
  }

  public String getCurrentScript()
  {
    return m_script.getSelectedText();
  }

  public void clear()
  {
    m_result.setText("");
  }

  public void display(String content)
  {
    m_result.append(content);
 
  }

  public static void main(String[] argvs)
  {
    Gui gui = new Gui();
    gui.setSize(640,600);
    gui.show();
  }
}