tableprintdemo1.java

java tutorial.sun公司官方出品。java入门书籍。最新版

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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 */ 

package misc;

import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.print.PrinterException;
import java.text.MessageFormat;

/**
 * Demo of the basic features of {@code JTable} printing.
 * Allows the user to configure a couple of options and print
 * a table of student grades.
 * <p>
 * Requires the following other files:
 * <ul>
 *     <li>passed.png
 *     <li>failed.png
 * </ul>
 *
 * @author Shannon Hickey
 */
public class TablePrintDemo1 extends JFrame {

    /* Check mark and x mark items to render the "Passed" column */
    private static final ImageIcon passedIcon
        = new ImageIcon(TablePrintDemo1.class.getResource("images/passed.png"));
    private static final ImageIcon failedIcon
        = new ImageIcon(TablePrintDemo1.class.getResource("images/failed.png"));

    /* UI Components */
    private JPanel contentPane;
    private JLabel gradesLabel;
    private JTable gradesTable;
    private JScrollPane scroll;
    private JCheckBox showPrintDialogBox;
    private JCheckBox interactiveBox;
    private JCheckBox fitWidthBox;
    private JButton printButton;

    /* Protected so that they can be modified/disabled by subclasses */
    protected JCheckBox headerBox;
    protected JCheckBox footerBox;
    protected JTextField headerField;
    protected JTextField footerField;

    /**
     * Constructs an instance of the demo.
     */
    public TablePrintDemo1() {
        super("Table Printing Demo 1");

        gradesLabel = new JLabel("Final Grades - CSC 101");
        gradesLabel.setFont(new Font("Dialog", Font.BOLD, 16));

        gradesTable = createTable(new GradesModel());
        gradesTable.setFillsViewportHeight(true);
        gradesTable.setRowHeight(24);

        /* Set a custom renderer on the "Passed" column */
        gradesTable.getColumn("Passed").setCellRenderer(createPassedColumnRenderer());

        scroll = new JScrollPane(gradesTable);

        String tooltipText;

        tooltipText = "Include a page header";
        headerBox = new JCheckBox("Header:", true);
        headerBox.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                headerField.setEnabled(headerBox.isSelected());
            }
        });
        headerBox.setToolTipText(tooltipText);
        tooltipText = "Page Header (Use {0} to include page number)";
        headerField = new JTextField("Final Grades - CSC 101");
        headerField.setToolTipText(tooltipText);

        tooltipText = "Include a page footer";
        footerBox = new JCheckBox("Footer:", true);
        footerBox.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                footerField.setEnabled(footerBox.isSelected());
            }
        });
        footerBox.setToolTipText(tooltipText);
        tooltipText = "Page Footer (Use {0} to Include Page Number)";
        footerField = new JTextField("Page {0}");
        footerField.setToolTipText(tooltipText);

        tooltipText = "Show the Print Dialog Before Printing";
        showPrintDialogBox = new JCheckBox("Show print dialog", true);
        showPrintDialogBox.setToolTipText(tooltipText);
        showPrintDialogBox.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                if (!showPrintDialogBox.isSelected()) {
                    JOptionPane.showMessageDialog(
                        TablePrintDemo1.this,
                        "If the Print Dialog is not shown,"
                            + " the default printer is used.",
                        "Printing Message",
                        JOptionPane.INFORMATION_MESSAGE);
                }
            }
        });
        
        
        tooltipText = "Keep the GUI Responsive and Show a Status Dialog During Printing";
        interactiveBox = new JCheckBox("Interactive (Show status dialog)", true);
        interactiveBox.setToolTipText(tooltipText);
        interactiveBox.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                if (!interactiveBox.isSelected()) {
                    JOptionPane.showMessageDialog(
                        TablePrintDemo1.this,
                        "If non-interactive, the GUI is fully blocked"
                            + " during printing.",
                        "Printing Message",
                        JOptionPane.INFORMATION_MESSAGE);
                }
            }
        });

        tooltipText = "Shrink the Table to Fit the Entire Width on a Page";
        fitWidthBox = new JCheckBox("Fit width to printed page", true);
        fitWidthBox.setToolTipText(tooltipText);

        tooltipText = "Print the Table";
        printButton = new JButton("Print");
        printButton.setToolTipText(tooltipText);
        
        printButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                printGradesTable();
            }
        });

        contentPane = new JPanel();
        addComponentsToContentPane();
        setContentPane(contentPane);

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(700, 600);
        setLocationRelativeTo(null);
    }

    /**
     * Adds to and lays out all GUI components on the {@code contentPane} panel.
     * <p>
     * It is recommended that you <b>NOT</b> try to understand this code. It was
     * automatically generated by the NetBeans GUI builder.
     * 
     */
    private void addComponentsToContentPane() {
        JPanel bottomPanel = new JPanel();
        bottomPanel.setBorder(BorderFactory.createTitledBorder("Printing"));

        GroupLayout bottomPanelLayout = new GroupLayout(bottomPanel);
        bottomPanel.setLayout(bottomPanelLayout);
        bottomPanelLayout.setHorizontalGroup(
            bottomPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(bottomPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(bottomPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addComponent(headerBox)
                    .addComponent(footerBox))
                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(bottomPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
                    .addComponent(footerField)
                    .addComponent(headerField, GroupLayout.DEFAULT_SIZE, 180, Short.MAX_VALUE))
                .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(bottomPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
                    .addGroup(bottomPanelLayout.createSequentialGroup()
                        .addComponent(fitWidthBox)
                        .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(printButton))
                    .addGroup(bottomPanelLayout.createSequentialGroup()
                        .addComponent(showPrintDialogBox)
                        .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(interactiveBox)))
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        bottomPanelLayout.setVerticalGroup(
            bottomPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(bottomPanelLayout.createSequentialGroup()
                .addGroup(bottomPanelLayout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                    .addComponent(headerBox)
                    .addComponent(headerField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                    .addComponent(interactiveBox)
                    .addComponent(showPrintDialogBox))
                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(bottomPanelLayout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                    .addComponent(footerBox)
                    .addComponent(footerField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                    .addComponent(fitWidthBox)
                    .addComponent(printButton))
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        GroupLayout layout = new GroupLayout(contentPane);
        contentPane.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addComponent(scroll, GroupLayout.DEFAULT_SIZE, 486, Short.MAX_VALUE)
                    .addComponent(gradesLabel)
                    .addComponent(bottomPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(gradesLabel)
                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(scroll, GroupLayout.DEFAULT_SIZE, 262, Short.MAX_VALUE)
                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(bottomPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
    }

    /**
     * Create and return a table for the given model.