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JSAMPLES.Z
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TableExample2.java
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1998-05-08
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/*
* @(#)TableExample2.java 1.7 98/02/04
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
/**
* A a UI around the JDBCAdaptor, allowing database data to be interactively
* fetched, sorted and displayed using Swing.
*
* NOTE: This example uses a modal dialog via the static convenience methods in
* the JOptionPane. Use of modal dialogs requires JDK 1.1.4 or greater.
*
* @version 1.7 02/04/98
* @author Philip Milne
*/
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import com.sun.java.swing.*;
import com.sun.java.swing.table.*;
import com.sun.java.swing.event.*;
import com.sun.java.swing.border.*;
public class TableExample2 implements LayoutManager {
static String[] ConnectOptionNames = { "Connect" };
static String ConnectTitle = "Connection Information";
Dimension origin = new Dimension(0, 0);
JButton fetchButton;
JButton showConnectionInfoButton;
JPanel connectionPanel;
JFrame frame; // The query/results window.
JLabel userNameLabel;
JTextField userNameField;
JLabel passwordLabel;
JTextField passwordField;
// JLabel queryLabel;
JTextArea queryTextArea;
JComponent queryAggregate;
JLabel serverLabel;
JTextField serverField;
JLabel driverLabel;
JTextField driverField;
JPanel mainPanel;
TableSorter sorter;
JDBCAdapter dataBase;
JScrollPane tableAggregate;
/**
* Brigs up a JDialog using JOptionPane containing the connectionPanel.
* If the user clicks on the 'Connect' button the connection is reset.
*/
void activateConnectionDialog() {
if(JOptionPane.showOptionDialog(tableAggregate, connectionPanel, ConnectTitle,
JOptionPane.DEFAULT_OPTION, JOptionPane.INFORMATION_MESSAGE,
null, ConnectOptionNames, ConnectOptionNames[0]) == 0) {
connect();
frame.setVisible(true);
}
else if(!frame.isVisible())
System.exit(0);
}
/**
* Creates the connectionPanel, which will contain all the fields for
* the connection information.
*/
public void createConnectionDialog() {
// Create the labels and text fields.
userNameLabel = new JLabel("User name: ", JLabel.RIGHT);
userNameField = new JTextField("guest");
passwordLabel = new JLabel("Password: ", JLabel.RIGHT);
passwordField = new JTextField("trustworthy");
serverLabel = new JLabel("Database URL: ", JLabel.RIGHT);
serverField = new JTextField("jdbc:sybase://dbtest:1455/pubs2");
driverLabel = new JLabel("Driver: ", JLabel.RIGHT);
driverField = new JTextField("connect.sybase.SybaseDriver");
connectionPanel = new JPanel(false);
connectionPanel.setLayout(new BoxLayout(connectionPanel,
BoxLayout.X_AXIS));
JPanel namePanel = new JPanel(false);
namePanel.setLayout(new GridLayout(0, 1));
namePanel.add(userNameLabel);
namePanel.add(passwordLabel);
namePanel.add(serverLabel);
namePanel.add(driverLabel);
JPanel fieldPanel = new JPanel(false);
fieldPanel.setLayout(new GridLayout(0, 1));
fieldPanel.add(userNameField);
fieldPanel.add(passwordField);
fieldPanel.add(serverField);
fieldPanel.add(driverField);
connectionPanel.add(namePanel);
connectionPanel.add(fieldPanel);
}
public TableExample2() {
mainPanel = new JPanel();
// Create the panel for the connection information
createConnectionDialog();
// Create the buttons.
showConnectionInfoButton = new JButton("Configuration");
fetchButton = new JButton("Fetch");
fetchButton.addActionListener(new QueryChangeListener());
showConnectionInfoButton.addActionListener(
new ShowConnectionInfoListener());
// Create the query text area and label.
queryTextArea = new JTextArea("SELECT * FROM titles", 25, 25);
queryAggregate = new JScrollPane(queryTextArea);
queryAggregate.setBorder(new BevelBorder(BevelBorder.LOWERED));
// Create the table.
tableAggregate = createTable();
tableAggregate.setBorder(new BevelBorder(BevelBorder.LOWERED));
// Add all the components to the main panel.
mainPanel.add(fetchButton);
mainPanel.add(showConnectionInfoButton);
mainPanel.add(queryAggregate);
mainPanel.add(tableAggregate);
mainPanel.setLayout(this);
// Create a Frame and put the main panel in it.
frame = new JFrame("TableExample2");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);}});
frame.setBackground(Color.lightGray);
frame.getContentPane().add(mainPanel);
frame.pack();
frame.setVisible(false);
frame.setBounds(200, 200, 640, 480);
activateConnectionDialog();
}
class ShowConnectionInfoListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
activateConnectionDialog();
}
}
class QueryChangeListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
fetch();
}
}
public void connect() {
dataBase = new JDBCAdapter(
serverField.getText(),
driverField.getText(),
userNameField.getText(),
passwordField.getText());
sorter.setModel(dataBase);
}
public void fetch() {
dataBase.executeQuery(queryTextArea.getText());
}
public JScrollPane createTable() {
sorter = new TableSorter();
//connect();
//fetch();
// Create the table
JTable tableView = new JTable(sorter);
// Install a mouse listener in the TableHeader as the sorter UI.
sorter.addMouseListenerToHeaderInTable(tableView);
JScrollPane scrollpane = JTable.createScrollPaneForTable(tableView);
return scrollpane;
}
public static void main(String s[]) {
new TableExample2();
}
public Dimension preferredLayoutSize(Container c){return origin;}
public Dimension minimumLayoutSize(Container c){return origin;}
public void addLayoutComponent(String s, Component c) {}
public void removeLayoutComponent(Component c) {}
public void layoutContainer(Container c) {
Rectangle b = c.getBounds();
int topHeight = 90;
int inset = 4;
showConnectionInfoButton.setBounds(b.width-2*inset-120, inset, 120, 25);
fetchButton.setBounds(b.width-2*inset-120, 60, 120, 25);
// queryLabel.setBounds(10, 10, 100, 25);
queryAggregate.setBounds(inset, inset, b.width-2*inset - 150, 80);
tableAggregate.setBounds(new Rectangle(inset,
inset + topHeight,
b.width-2*inset,
b.height-2*inset - topHeight));
}
}