hotelframe.java

基于Java的软件信息系统－项目管理

package ui;

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

public class HotelFrame extends JFrame
{
    private CommandMap m_commands;
    private boolean m_closed;
    
    public HotelFrame ()
    {
        super ("Hotel Reservation Management");
        m_commands = new CommandMap ();
        setupMenus ();
        addWindowListener(new WindowAdapter()
        {
            public void windowClosed (WindowEvent e)
            {
                synchronized (HotelFrame.this) {
                    m_closed = true;
                    HotelFrame.this.notify();
                }
            }
        });
        setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        pack();
        show();
    }
    
    private void setupMenus ()
    {
        JMenuBar menuBar = new JMenuBar();
        setJMenuBar(menuBar);
        
        JMenu file = new JMenu ("File");
        JMenuItem exitItem = new JMenuItem ("Exit");
	exitItem.addActionListener (createCommandListener ("exit"));
        file.add (exitItem);
        
        JMenu help = new JMenu ("Help");
        JMenuItem helpItem = new JMenuItem ("Help...");
	helpItem.addActionListener (createCommandListener ("help"));
        help.add (helpItem);
        
        JMenu command = new JMenu ("Commands");
	Collection commands = m_commands.values();
	for (Iterator iter = commands.iterator();
	     iter.hasNext(); )
	{
            Command cmd = (Command) iter.next();
	    String cmdName = cmd.getName ();
            String menuName = cmd.getMenuName ();
	    if (!(cmdName.equalsIgnoreCase("exit") ||
		  cmdName.equalsIgnoreCase("help") ||
		  cmdName.equalsIgnoreCase("_unknown")))
	    {
		JMenuItem cmdItem = new JMenuItem (menuName);
		cmdItem.addActionListener (createCommandListener(cmdName));
		command.add (cmdItem);
	    }
	}
        // add other commands here
        
        menuBar.add (file);
        menuBar.add (command);
        menuBar.add (help);
    }

    CommandMap getCommands ()
    {
        return m_commands;
    }
    private CommandListener createCommandListener (String name)
    {
        return new CommandListener (this, name);
    }

  /**
   allows a thread to wait for this window to close
   */
  public synchronized void waitForClose ()
  {
    while (! m_closed)
      try { wait(); } catch (InterruptedException e) { }
  }
}