listsearchmembers.java

这个软件是一个图书管理系统

//import the packages for using the classes in them into the program
import java.awt.*;
import java.sql.*;
import java.util.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.print.*;
import javax.swing.table.*;

/**
 *A public class
 */
public class listSearchMembers extends JInternalFrame {
	/***************************************************************************
	 ***      declaration of the private variables used in the program       ***
	 ***************************************************************************/
	
	//for creating the North Panel
	private JPanel northPanel = new JPanel();
	//for creating the Center Panel
	private JPanel centerPanel= new JPanel();
	//for creating the label
	private JLabel label = new JLabel("THE LIST FOR THE SEARCHED MEMBERS");
	//for creating the button
	private JButton printButton;
	//for creating the table
	private JTable table;
	//for creating the TableColumn
	private TableColumn column = null;
	//for creating the JScrollPane
	private JScrollPane scrollPane;
	
	//for creating an object for the ResultSetTableModel class
	private ResultSetTableModel tableModel;
	
	//constructor of listSearchMembers
	public listSearchMembers(String query) {
		//for setting the title for the internal frame
		super("Searched Books", false, true, false, true);
		//for setting the icon
		setFrameIcon(new ImageIcon(ClassLoader.getSystemResource("images/List16.gif")));
		//for getting the graphical user interface components display area
		Container cp = getContentPane();
		
		/***********************************************************************
	 	*for setting the required information for the ResultSetTableModel class*
	 	************************************************************************/
		final String JDBC_DRIVER = "sun.jdbc.odbc.JdbcOdbcDriver";
		final String DATABASE_URL = "jdbc:odbc:JLibrary";
		final String DEFAULT_QUERY = query;
		
		//for bassing the required information to the ResultSetTableModel object
		try {
			tableModel = new ResultSetTableModel(JDBC_DRIVER, DATABASE_URL, DEFAULT_QUERY);
			//for setting the Query
			try {
				tableModel.setQuery(DEFAULT_QUERY);
			}
			catch(SQLException sqlException) {}
		}
		catch(ClassNotFoundException classNotFound) {}
		catch(SQLException sqlException) {}
		//for setting the table with the information
		table = new JTable(tableModel);
		//for setting the size for the table
		table.setPreferredScrollableViewportSize(new Dimension(600, 200));
		//user can not edit the table
		table.setEnabled(false);
		//for setting the font
		table.setFont(new Font("Verdana", Font.PLAIN, 12));
		//for setting the scrollpane to the table
		scrollPane = new JScrollPane(table);
		
		//for setting the size for the table columns
		for(int i = 0; i < 4; i++) {
			column = table.getColumnModel().getColumn(i);
			if(i == 0) //MemberID
				column.setPreferredWidth(50);
			if(i == 1) //Name
				column.setPreferredWidth(50);
			if(i == 2) //EMail
				column.setPreferredWidth(100);
			if(i == 3) //Major
				column.setPreferredWidth(50);
		}
		//for setting the font to the label
		label.setFont(new Font("Tahoma", Font.BOLD, 14));
		//for setting the layout to the panel
		northPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
		//for adding the label to the panel
		northPanel.add(label);
		//for adding the panel to the container
		cp.add("North", northPanel);
		
		//for setting the layout to the panel
		centerPanel.setLayout(new BorderLayout());
		//for creating an image for the button
		ImageIcon printIcon = new ImageIcon(ClassLoader.getSystemResource("images/Print16.gif"));
		//for adding the button to the panel
		printButton = new JButton("print the members", printIcon);
		//for setting the tip text
		printButton.setToolTipText("Print");
		//for setting the font to the button
		printButton.setFont(new Font("Tahoma", Font.PLAIN, 12));
		//for adding the button to the panel
		centerPanel.add(printButton, BorderLayout.NORTH);
		//for adding the scrollpane to the panel
		centerPanel.add(scrollPane, BorderLayout.CENTER);
		//for setting the border to the panel
		centerPanel.setBorder(BorderFactory.createTitledBorder("Members:"));
		//for adding the panel to the container
		cp.add("Center", centerPanel);
		
		//for adding the actionListener to the button
		printButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
				Thread runner = new Thread() {
					public void run() {
						try {
							PrinterJob prnJob = PrinterJob.getPrinterJob();
							prnJob.setPrintable(new printingMembers(DEFAULT_QUERY));
							if(!prnJob.printDialog())
								return;
							setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
							prnJob.print();
							setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
						}
						catch(PrinterException ex) {
							System.out.println("Printing error: " + ex.toString());
						}
					}
				};
				runner.start();
			}
		});
		//for setting the visible to true
		setVisible(true);
		//to show the frame
		pack();
	}
}