menubar.java

图书管理系统v1.0是使用JAVA语言开发的解决图书基本管理的一个应用程序。 该系统能够实现简单的图书和用户管理

package lib;
import javax.swing.*;
import java.awt.*;
import javax.swing.plaf.*;
import javax.swing.plaf.metal.*;
import javax.swing.border.*;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

public class Menubar extends JMenuBar {
	/***************************************************************************
	 ***      declaration of the private variables used in the program       ***
	 ***************************************************************************/

	//for creating the JMenu for the program
	public JMenu fileMenu, bookMenu, memberMenu, searchMenu, loanMenu, helpMenu,optMenu;
	//for creating the JMenuItem for JMenu
	public JMenuItem printBook, exit, addBook, listBook, listAvailbleBook, listBorrowedBook, editBook,
	removeBook, bookInformation, addMember, listMember, editMember, removeMember, memberInformation,
	searchBooksAndMembers, borrowBook, returnBook, help, about;
	public	JMenuItem change, style, theme,admin,log;							
	
	//for creating an imageIcon
	public ImageIcon[] icons;
	//for creating the name of the image file 16*16
	public String[] imageName16 = {"images/Print16.gif", "images/Exit16.gif",
	                               "images/Add16.gif", "images/List16.gif",
	                               "images/Edit16.gif", "images/Delete16.gif",
	                               "images/Information16.gif", "images/Find16.gif",
	                               "images/Export16.gif", "images/Import16.gif",
	                               "images/Help16.gif", "images/About16.gif"};
	public String[] strings = {"1. Metal ", "2. Motif", "3. Windows"};
;
	public UIManager.LookAndFeelInfo[]  looks;
	public ButtonGroup group;
	public JRadioButtonMenuItem radio[];
	
	public Menubar() {
		//for adding book, member, search, loan & help Menus to the menu bar
		this.add(fileMenu = new JMenu("文件(f)"));
		this.add(bookMenu = new JMenu("图书(b)"));
		this.add(memberMenu = new JMenu("用户(m)"));
		this.add(searchMenu = new JMenu("搜索(s)"));
		this.add(loanMenu = new JMenu("借书(l)"));
		this.add(helpMenu = new JMenu("帮助(h)"));
		this.add(optMenu = new JMenu("设置(o)"));
		/**
		 *for setting the Mnemonic
		 */
		fileMenu.setMnemonic('f');
		bookMenu.setMnemonic('b');
		memberMenu.setMnemonic('m');
		searchMenu.setMnemonic('s');
		loanMenu.setMnemonic('l');
		helpMenu.setMnemonic('h');
		optMenu.setMnemonic ('o');

		//for setting the image icons
		icons = new ImageIcon[12];
		for (int i = 0; i < imageName16.length; i++) {
			icons[i] = new ImageIcon(ClassLoader.getSystemResource(imageName16[i]));
		}
		looks = UIManager.getInstalledLookAndFeels ();
		group = new ButtonGroup ();
		radio  = new JRadioButtonMenuItem[strings.length];

		//for adding log, print books , exit
		fileMenu.add(log = new JMenuItem("日志",icons[3]));
		fileMenu.add(printBook = new JMenuItem("打印图书", icons[0]));
		fileMenu.add(exit = new JMenuItem("退出", icons[1]));
		
		//for adding add, list, listAvailble, listBorrowed, edit & remove Books and book information to the bookMenu
		bookMenu.add(addBook = new JMenuItem("添加图书", icons[2]));
		bookMenu.add(listBook = new JMenuItem("列出所有图书", icons[3]));
		bookMenu.add(listAvailbleBook = new JMenuItem("列出未借图书", icons[3]));
		bookMenu.add(listBorrowedBook = new JMenuItem("列出已借图书", icons[3]));
		bookMenu.add(editBook = new JMenuItem("编辑图书", icons[4]));
		bookMenu.add(removeBook = new JMenuItem("删除图书", icons[5]));
		bookMenu.add(bookInformation = new JMenuItem("图书信息", icons[6]));

		//for adding add, list, edit & remove Members and member information to the memberMenu
		memberMenu.add(addMember = new JMenuItem("添加用户", icons[2]));
		memberMenu.add(listMember = new JMenuItem("列出所有用户", icons[3]));
		memberMenu.add(editMember = new JMenuItem("编辑用户", icons[4]));
		memberMenu.add(removeMember = new JMenuItem("删除用户", icons[5]));
		memberMenu.add(memberInformation = new JMenuItem("用户信息", icons[6]));
		memberMenu.add(admin = new JMenuItem("管理员信息",icons[6]));
		//for adding add, list & remove Members to the memberMenu
		searchMenu.add(searchBooksAndMembers = new JMenuItem("搜索", icons[7]));

		//for adding borrow & return books to the loanMenu
		loanMenu.add(borrowBook = new JMenuItem("借出图书", icons[8]));
		loanMenu.add(returnBook = new JMenuItem("归还图书", icons[9]));

		//for adding help & about to the helpMenu
		helpMenu.add(help = new JMenuItem("帮助", icons[10]));
		helpMenu.add(about = new JMenuItem("关于", icons[11]));
		//for adding change,style & theme to optMenu
		optMenu.add(change = new JMenuItem ("改变背景颜色"));
		optMenu.add(style = new JMenu ("改变界面风格"));
		for( int i = 0; i < radio.length ; i++ ) {			
			radio[i] = new JRadioButtonMenuItem (strings[i]);	
			radio[i].setSelected (false);
			group.add (radio[i]);					
			style.add (radio[i]);					
		}
		radio[0].setSelected(true);
		MetalTheme[] themes = { new DefaultMetalTheme (), new BlueTheme (), new BrownTheme (), new GreenTheme (), 
				new ChocTheme (), new OrangeTheme (), new PinkTheme (), new RedTheme (), 
				new WaterTheme (), new YellowTheme () };	
		theme = new MetalThemeMenu ("改变界面颜色", themes);		//Putting the Themes in ThemeMenu.
		optMenu.add(theme);

		//for setting the shortcut
		printBook.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, ActionEvent.CTRL_MASK));
		exit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F4, ActionEvent.ALT_MASK));
		searchBooksAndMembers.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));

		addBook.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK));
		listBook.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_L, ActionEvent.CTRL_MASK));
		editBook.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_E, ActionEvent.CTRL_MASK));
		removeBook.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, ActionEvent.CTRL_MASK));

		addMember.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_M, ActionEvent.CTRL_MASK));
		listMember.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_I, ActionEvent.CTRL_MASK));
		editMember.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D, ActionEvent.CTRL_MASK));
		removeMember.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, ActionEvent.CTRL_MASK));

		borrowBook.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B, ActionEvent.CTRL_MASK));
		returnBook.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, ActionEvent.CTRL_MASK));

		help.setAccelerator(KeyStroke.getKeyStroke("F1"));
		about.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, ActionEvent.CTRL_MASK));
		
		
	}
}