main.java

it is basic library management

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

public class main extends JFrame implements mainInterface, InternalFrameListener

{
	    	splash_frame splash = new splash_frame();

    public main() {
        super("main"); 
        splash();     
        int inset = 0;
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        setSize((screenSize.width-100), (screenSize.height-100));
        //setBounds(inset, inset, 
          //        screenSize.width, 
            //      screenSize.height - 30);
        setIconImage(getToolkit().getImage("icon.jpg"));
		
        //Quit this app when the big window closes.
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        
		
		/*
		//to enable the enter key
		UIManager.getDefaults().put("Button.focusInputMap", new
		UIDefaults.LazyInputMap(new Object[] {
		"ENTER", "pressed",
		"released ENTER", "released"
		}));*/

        setContentPane(desktop);
       	
       	USERName.setFont (new Font ("Impact", Font.PLAIN, 16));
       	USERName.setForeground(Color.black);
        USERName.setBounds(250,0,600,50);
        desktop.add(USERName);
        
        add.setEnabled(false);
        
        setJMenuBar(createMenuBar());
		int paintx = (screenSize.width);
		int painty = (screenSize.height);
		
        logo.setIcon( accLogo );
		logo.setBounds( (paintx - 800)/2 , ((painty-100) - 500)/2,
						 800,600);
		desktop.add(logo);
		desktop.setBackground(Color.gray);
		
    }
    
    public void getPassword()
	{
	    desktop.add( app );
		try
		{
			app.setSelected( true );
		}
		catch( java.beans.PropertyVetoException pvex )
		{
		}
	}
	
    protected JMenuBar createMenuBar() {
    	        
        menu.setMnemonic(KeyEvent.VK_F);
        add.setMnemonic(KeyEvent.VK_L);
        rtn.setMnemonic(KeyEvent.VK_W);
        report.setMnemonic(KeyEvent.VK_R);
        help.setMnemonic(KeyEvent.VK_H);
        
        //items for help
       menuItemhelp1.setAccelerator(KeyStroke.getKeyStroke(
                KeyEvent.VK_F1, ActionEvent.CTRL_MASK));
                
       menuItemhelp1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JOptionPane.showMessageDialog(null, 
 				"\n1. To Add a record, fill in all the fields and click on Add." +
 				"\n\n2. To Update A Record, Search for the record first and click on Save." + 
 				"\n\n3. To Delete A Record, Search for the record and click Delete." + 
 				"\n\n4. To Clear Fields, click on Clear." + 
 				"\n\n5. To Exit this module, click on Close." +
 				"\n\n6. To View the report, click on report." +
 				"\n\n7. To change the Skin, selected skin under window menu. " +
 				"\n\n8. For More help Please Contact us at [e-mail].");
            
            }
        });
                
       menuItemhelp2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                createSplash();
            
            }
        });
        
       menuItemhelp3.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
         	aboutUs aboutus = new aboutUs();
         	aboutus.setVisible(true);
        	desktop.add(aboutus);
        	try {
            	aboutus.setSelected(true);
        	} catch (java.beans.PropertyVetoException ex) {}
            
            }
        });
        
        
       //items for file
        menuItem3.setAccelerator(KeyStroke.getKeyStroke(
                KeyEvent.VK_L, ActionEvent.CTRL_MASK));
        menuItem3.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                app.show();  
            }
        });
        
        menuItem3.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
             getPassword();                        
            }
        });
        
        menuItem6.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int confirm = JOptionPane.showConfirmDialog(null, 
			"Are you sure want to Log Out?", 
			"Log Out", 
			JOptionPane.YES_NO_OPTION);
 				
 			if( confirm == JOptionPane.YES_OPTION )
 			{
 				add.setEnabled(false);
 				menuItem6.setEnabled(false);
 				menuItem3.setEnabled(true);
 				USERName.setText("Welcome Lecturer/Student,if you are a member please login");
 			}
                        
            }
        });
        
                      
        menuItem5.setAccelerator(KeyStroke.getKeyStroke(
                KeyEvent.VK_X, ActionEvent.CTRL_MASK));
        
        menuItem5.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	int confirm = JOptionPane.showConfirmDialog(null, 
			"Are you sure want to exit?", 
			"Exit Application", 
			JOptionPane.YES_NO_OPTION);
 				
 			if( confirm == JOptionPane.YES_OPTION )
 			{
 				JOptionPane.showMessageDialog( null, 
 				"Thanks for using our System");
 				dispose();
 				System.exit(0);
 				
 			}
            }
        });        
                       
                
        //items for return
        returnItem1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
              try {
            		desktop.getSelectedFrame().setClosed(true);
        		} catch (java.beans.PropertyVetoException pve) {}
            }
        });
        
        returnItem2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	JInternalFrame Frames[] = desktop.getAllFrames(); // get all open frames

				for(int FrameLoop=0; FrameLoop < Frames.length; FrameLoop++)
				{
					try
					{
				 		Frames[FrameLoop].setClosed(true); // close the frame
					}
					catch (Exception CloseExc)
					{
						// if we can't close it then we have a problem
						JOptionPane.showMessageDialog(null, CloseExc);
					}
				}
            }
        });
        
        //items for library
        bk_mast.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                 add.setEnabled(false);
              createBookMaster();
            }
        });
        
        bk_loan.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createBookLoan();
            }
        });
        
        bk_ret.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createFrame3();
            }
        });
       
        j_master.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createJournal();
            }
        });
        
        j_loan.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createBookLoan();
            }
        });
        
        j_ret.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createFrame3();
            }
        });
        
        v_master.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createVideo();
            }
        });
        
        v_loan.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createBookLoan();
            }
        });
        
        v_ret.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createFrame3();
            }
        });
        
        pt_mast.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            	add.setEnabled(false);
              createFrame2();
            }
        });
        
        //items for report
        reportItem1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
              patronReport rep = new patronReport();
            }
        });
        
        reportItem2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
              bookReport rep = new bookReport();
              //reateReport();
            }
        });
        
        
        
        ItemHandler handler = new ItemHandler();
        	for( int i = 0; i < radio.length ; i++ )
		{
			radio[i] = new JRadioButtonMenuItem( strings[i] );
			radio[i].setMnemonic( mne[i] );
			radio[i].addItemListener( handler );
			group.add( radio[i] );
			returnItem3.add( radio[i] );
		}
		
		returnItem4.addActionListener(
			new ActionListener()
			{
				public void actionPerformed( ActionEvent e )
				{
					Color color = new Color( 86,1,46 );
					color = JColorChooser.showDialog( main.this,
						"Choose background color", color );
					
					if( color == null )