uhrand
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package demo;
/*
* TableReportDemo_2.java
* This demo shows you how to customize the JTable print function.
* As an example, we print a report header with two rows and a border,
* and we print 4 tables on one page.
*/
import java.awt.*;
import java.awt.event.*;
import java.awt.print.*;
import javax.print.attribute.*;
import javax.swing.*;
import javax.swing.JTable.*;
import javax.swing.table.*;
public class TableReportDemo_2 extends JFrame implements ActionListener {
private JTable table1, table2, table3, table4;
private JButton btPrint;
public TableReportDemo_2() {
super("TableReportDemo_2");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
btPrint = new JButton("Print...");
add(btPrint, BorderLayout.SOUTH);
btPrint.addActionListener(this);
JPanel mainpanel = new JPanel();
add(mainpanel, BorderLayout.CENTER);
table1 = createTable("A");
table2 = createTable("B");
table3 = createTable("C");
table4 = createTable("D");
mainpanel.add(new JScrollPane(table1));
mainpanel.add(new JScrollPane(table2));
mainpanel.add(new JScrollPane(table3));
mainpanel.add(new JScrollPane(table4));
setSize(500, 600);
setLocationRelativeTo(null);
}
public JTable createTable(String name) {
String[] title = new String[]{"Title A", "Title B", "Title C", "Title D", "Title E"};
String[][] data = new String[][]{};
DefaultTableModel model = new DefaultTableModel(data, title);
JTable table = new JTable(model) {
@Override
public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
Component c = super.prepareRenderer(renderer, row, column);
c.setBackground(Color.WHITE);
if (row == 1 && column == 1) {
c.setBackground(Color.BLUE);
} else if (row == 2 && column == 3) {
c.setBackground(Color.RED);
}
return c;
}
};
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
for (int i = 0; i < 5; i++) {
model.addRow(new String[]{"Table_" + name + " " + String.valueOf(i), "", "", "", ""});
}
table.setPreferredScrollableViewportSize(new Dimension(400, 100));
return table;
}
public void actionPerformed(final ActionEvent e1) {
try {
printJTable();
} catch (PrinterException ex) {
ex.printStackTrace();
}
}
private void printJTable() throws PrinterException {
// possibly prepare the table for printing here first
// wrap in a try/finally so table can be restored even if something fails
try {
// fetch the printable
Printable printable = new TableReport(table1, table2, table3, table4);
PrinterJob job = PrinterJob.getPrinterJob();// fetch a PrinterJob
job.setPrintable(printable);// set the Printable on the PrinterJob
// create an attribute set to store attributes from the print dialog
PrintRequestAttributeSet attr = new HashPrintRequestAttributeSet();
// display a print dialog and record whether or not the user cancels it
boolean printAccepted = job.printDialog(attr);
if (printAccepted) {// if the user didn't cancel the dialog
job.print(attr);// do the printing
}
} finally {
// possibly restore the original table state here
}
}
public static void main(final String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new TableReportDemo_2().setVisible(true);
}
});
}
}
class TableReport implements Printable {
private Printable tablePrintable1, tablePrintable2, tablePrintable3, tablePrintable4;
private PageFormat pageFormatJTable1, pageFormatJTable2, pageFormatJTable3, pageFormatJTable4;
private PageFormat pageFormat;
private int x1, y1, w1, h1;
public TableReport(final JTable table1, final JTable table2, final JTable table3, final JTable table4) {
tablePrintable1 = table1.getPrintable(JTable.PrintMode.FIT_WIDTH, null, null);
tablePrintable2 = table2.getPrintable(JTable.PrintMode.FIT_WIDTH, null, null);
tablePrintable3 = table3.getPrintable(JTable.PrintMode.FIT_WIDTH, null, null);
tablePrintable4 = table4.getPrintable(JTable.PrintMode.FIT_WIDTH, null, null);
}
public int print(final Graphics graphics, final PageFormat pageFormat,
final int pageIndex) throws PrinterException {
Graphics2D g = (Graphics2D) graphics;
this.pageFormat = pageFormat;
x1 = (int) pageFormat.getImageableX();
y1 = (int) pageFormat.getImageableY();
w1 = (int) pageFormat.getImageableWidth();
h1 = (int) pageFormat.getImageableHeight();
//print header/footer:
String title = "Title";
String subtitle = "Subtitle";
Font f = g.getFont();
g.setFont(g.getFont().deriveFont(15f));
FontMetrics fm = g.getFontMetrics();
g.drawString(title, x1 + (w1 - fm.stringWidth(title)) / 2, y1 + 15);
g.setFont(f);
fm = g.getFontMetrics();
g.drawString(subtitle, x1 + (w1 - fm.stringWidth(subtitle)) / 2, y1 + 30);
g.drawRect(x1, y1, w1, 40);
String footer = "Page " + (pageIndex + 1);
g.drawString(footer, x1 + (w1 - fm.stringWidth(footer)) / 2, y1 + h1 - 10);
//print the tables:
pageFormatJTable1 = getPageFormatJTable(60, 150, pageFormatJTable1);
pageFormatJTable2 = getPageFormatJTable(210, 150, pageFormatJTable2);
pageFormatJTable3 = getPageFormatJTable(360, 150, pageFormatJTable3);
pageFormatJTable4 = getPageFormatJTable(510, 150, pageFormatJTable4);
Graphics gCopy = g.create();
tablePrintable1.print(gCopy, pageFormatJTable1, pageIndex);
gCopy.dispose();
gCopy = g.create();
tablePrintable2.print(gCopy, pageFormatJTable2, pageIndex);
gCopy.dispose();
gCopy = g.create();
tablePrintable3.print(gCopy, pageFormatJTable3, pageIndex);
gCopy.dispose();
gCopy = g.create();
int retVal = tablePrintable4.print(gCopy, pageFormatJTable4, pageIndex);
gCopy.dispose();
return retVal;
}
private PageFormat getPageFormatJTable(int position, int height, PageFormat pageFormatJTable) {
if (pageFormatJTable == null) {
pageFormatJTable = (PageFormat) pageFormat.clone();
Paper paperJTable = pageFormatJTable.getPaper();
if (pageFormatJTable.getOrientation() == PageFormat.PORTRAIT) {
paperJTable.setImageableArea(x1, y1 + position, w1, height);
} else {
paperJTable.setImageableArea(y1 + position, x1, height, w1);
}
pageFormatJTable.setPaper(paperJTable);
}
return pageFormatJTable;
}
}
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