import java.awt.*;
import java.awt.event.*;
import java.awt.print.PageFormat;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.text.MessageFormat;
import javax.swing.*;
import javax.swing.table.AbstractTableModel;
import javax.swing.text.BadLocationException;
import javax.swing.text.Utilities;
public class TablePrintingExample extends JFrame implements ActionListener {
private TableModelSimple tms = new TableModelSimple();
private JTable table = new JTable(tms);
private JButton btn = new JButton("Print...");
private PrintDialog pDialog = new PrintDialog();
private PrinterJob printerJob = PrinterJob.getPrinterJob();
public TablePrintingExample() {
super("Table Printing Example");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setLocationByPlatform(true);
this.setSize(480, 640);
this.setAlwaysOnTop(true);
this.addComponentListener(new ComponentAdapter() {
public void componentResized(ComponentEvent e) {
tms.wrappTableHeaders();
}
});
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
btn.addActionListener(this);
this.add(new JScrollPane(table), BorderLayout.CENTER);
this.add(btn, BorderLayout.SOUTH);
this.setVisible(true);
tms.wrappTableHeaders();
table.updateUI();
}
public static void main(String[] args) {
new TablePrintingExample();
}
public void actionPerformed(ActionEvent e) {
Object[] o = pDialog.showPrintDialog();
if (o != null) {
printerJob.setPrintable(table.getPrintable((JTable.PrintMode) o[0],
(MessageFormat) o[1], (MessageFormat) o[2]),
(PageFormat) o[3]);
try {
printerJob.print();
} catch (PrinterException ee) {
ee.printStackTrace();
}
}
}
class PrintDialog extends JDialog implements ActionListener {
Object[] o;
private JLabel l1 = new JLabel("Orientation: ");
private JLabel l2 = new JLabel("Print Mode: ");
private JLabel l3 = new JLabel("Extras: ");
private JCheckBox c1 = new JCheckBox("Header");
private JCheckBox c2 = new JCheckBox("Footer");
private JRadioButton r1 = new JRadioButton("Portrait");
private JRadioButton r2 = new JRadioButton("Landscape");
private JRadioButton r3 = new JRadioButton("Normal");
private JRadioButton r4 = new JRadioButton("Fit Width");
private JButton b1 = new JButton("Cancel");
private JButton b2 = new JButton("Print");
private ButtonGroup bg1 = new ButtonGroup();
private ButtonGroup bg2 = new ButtonGroup();
private JTextField t1 = new JTextField(30);
private JTextField t2 = new JTextField(30);
public PrintDialog() {
super(TablePrintingExample.this, "Print Settings", true);
this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
this.setLocationByPlatform(true);
bg1.add(r1);
bg1.add(r2);
bg2.add(r3);
bg2.add(r4);
r1.setSelected(true);
r3.setSelected(true);
c1.setSelected(true);
c2.setSelected(true);
b1.addActionListener(this);
b2.addActionListener(this);
c1.addActionListener(this);
c2.addActionListener(this);
GridBagLayoutManager gMan = new GridBagLayoutManager(this
.getContentPane());
gMan.setInsets(10, 10, 0, 10);
gMan.addComponent(gMan.getLabWSep(l1), 0, 0, 3, 1, 1, 1);
gMan.setInsets(0, 10, 0, 10);
gMan.addComponent(r1, 1, 1, 1, 1, 1, 1);
gMan.addComponent(r2, 2, 1, 1, 1, 1, 1);
gMan.setInsets(10, 10, 10, 10);
gMan.addComponent(gMan.getLabWSep(l2), 0, 2, 3, 1, 1, 1);
gMan.setInsets(0, 10, 0, 10);
gMan.addComponent(r3, 1, 3, 1, 1, 1, 1);
gMan.addComponent(r4, 2, 3, 1, 1, 1, 1);
gMan.setInsets(10, 10, 10, 10);
gMan.addComponent(gMan.getLabWSep(l3), 0, 4, 3, 1, 1, 1);
gMan.setInsets(0, 10, 0, 10);
gMan.addComponent(c1, 0, 5, 1, 1, 1, 1);
gMan.setInsets(0, 10, 0, 10);
gMan.addComponent(t1, 0, 6, 3, 1, 1, 1);
gMan.setInsets(0, 10, 0, 10);
gMan.addComponent(c2, 0, 7, 1, 1, 1, 1);
gMan.setInsets(0, 10, 10, 10);
gMan.addComponent(t2, 0, 8, 3, 1, 1, 1);
gMan.setInsets(10, 10, 10, 10);
gMan.addComponent(new JSeparator(JSeparator.HORIZONTAL), 0, 9, 3,
1, 1, 1);
gMan.addComponent(b1, 1, 10, 1, 1, 1, 1);
gMan.addComponent(b2, 2, 10, 1, 1, 1, 1);
this.pack();
}
public Object[] showPrintDialog() {
this.setVisible(true);
return o;
}
class GridBagLayoutManager {
private Container cont;
private GridBagLayout gbl;
private GridBagConstraints gbc;
public final int CENTER = GridBagConstraints.CENTER;
public final int EAST = GridBagConstraints.EAST;
public final int WEST = GridBagConstraints.WEST;
public final int NORTH = GridBagConstraints.NORTH;
public final int SOUTH = GridBagConstraints.SOUTH;
public final int BOTH = GridBagConstraints.BOTH;
public final int VERTICAL = GridBagConstraints.VERTICAL;
public final int HORIZONTAL = GridBagConstraints.HORIZONTAL;
public final int NONE = GridBagConstraints.NONE;
public GridBagLayoutManager(Container cont) {
this.cont = cont;
gbl = new GridBagLayout();
gbc = new GridBagConstraints();
cont.setLayout(gbl);
}
public void addComponent(Component c, int x, int y, int width,
int height, double weightx, double weighty, int fill,
int anchor) {
gbc.fill = fill;
gbc.anchor = anchor;
gbc.gridx = x;
gbc.gridy = y;
gbc.gridwidth = width;
gbc.gridheight = height;
gbc.weightx = weightx;
gbc.weighty = weighty;
cont.add(c, gbc);
}
public void addComponent(Component c, int x, int y, int width,
int height, double weightx, double weighty) {
gbc.fill = GridBagConstraints.BOTH;
gbc.anchor = GridBagConstraints.CENTER;
gbc.gridx = x;
gbc.gridy = y;
gbc.gridwidth = width;
gbc.gridheight = height;
gbc.weightx = weightx;
gbc.weighty = weighty;
cont.add(c, gbc);
}
public void setInsets(int top, int left, int bottom, int right) {
gbc.insets = new Insets(top, left, bottom, right);
}
public JPanel getLabWSep(JLabel l) {
JPanel p = new JPanel();
p.setLayout(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
p.add(l, c);
c.fill = GridBagConstraints.HORIZONTAL;
c.weightx = 1;
c.gridx = 1;
p.add(new JSeparator(JSeparator.HORIZONTAL), c);
return p;
}
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == b1)
this.dispose();
else if (e.getSource() == b2)
validatePrintSettings();
else if (e.getSource() == c1)
t1.setEnabled(c1.isSelected());
else if (e.getSource() == c2)
t2.setEnabled(c2.isSelected());
}
public void validatePrintSettings() {
PageFormat pf = new PageFormat();
MessageFormat header = null;
MessageFormat footer = null;
pf.setOrientation(r1.isSelected() ? PageFormat.PORTRAIT
: PageFormat.LANDSCAPE);
JTable.PrintMode printMode = r3.isSelected() ? JTable.PrintMode.NORMAL
: JTable.PrintMode.FIT_WIDTH;
if (c1.isSelected())
header = new MessageFormat(t1.getText());
if (c2.isSelected())
footer = new MessageFormat(t2.getText());
o = new Object[] { printMode, header, footer, pf };
this.dispose();
}
}
class TableModelSimple extends AbstractTableModel {
private int heightofTableHeader = 0;
public String getColumnName(int col) {
String name = "";
for (int i = 0; i <= col; i++) {
name = name + (((col % 2) == 0) ? col * col : col);
}
return name;
}
public int getRowCount() {
return 40;
}
public int getColumnCount() {
return 8;
}
public Object getValueAt(int row, int col) {
return row + " " + col;
}
public void wrappTableHeaders() {
heightofTableHeader = 0;
int cols = this.getColumnCount();
for (int i = 0; i < cols; i++) {
table.getColumnModel().getColumn(i).setHeaderValue(
getWrappedText(i));
}
table.getTableHeader().setPreferredSize(
new Dimension(table.getTableHeader().getWidth(),
heightofTableHeader));
table.updateUI();
}
public String getWrappedText(int columnIndex) {
JTextArea c = new JTextArea(table.getColumnName(columnIndex));
c.setPreferredSize(new Dimension(table.getColumnModel().getColumn(
columnIndex).getWidth(), 100));
c.setLineWrap(true);
c.setWrapStyleWord(true);
c.setFont(table.getFont());
JWindow win = new JWindow();
win.add(c);
win.pack();
int len = c.getDocument().getLength();
int offset = 0;
StringBuffer buf = new StringBuffer((int) (len * 1.30));
String s = "";
try {
while (offset < len) {
int end = Utilities.getRowEnd(c, offset);
if (end < 0) {
break;
}
end = Math.min(end + 1, len);
s = c.getDocument().getText(offset, end - offset);
buf.append(s);
if (!s.endsWith("\n")) {
buf.append('\n');
}
offset = end;
}
} catch (BadLocationException e) {
e.printStackTrace();
}
s = buf.toString();
c.setText(s);
int height = c.getLineCount()
* table.getFontMetrics(table.getFont()).getHeight();
if (height > heightofTableHeader)
heightofTableHeader = height;
s = s.replaceAll("\n", "<BR>");
s = "<HTML><P ALIGN=\"CENTER\">" + s + "</P><HTML>";
try {
return s;
} finally {
buf = null;
s = null;
c = null;
win = null;
}
}
}
}
