/**
* @author starhu
*
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.PrintJob;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.io.File;
import java.io.FileInputStream;
import java.util.Properties;
import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.PrintException;
import javax.print.PrintService;
import javax.print.PrintServiceLookup;
import javax.print.ServiceUI;
import javax.print.SimpleDoc;
import javax.print.attribute.DocAttributeSet;
import javax.print.attribute.HashDocAttributeSet;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
public class PrintTest extends JFrame implements ActionListener, Printable ,ConfigConstant{
private JButton printTextButton = new JButton("Print Text");
private JButton previewButton = new JButton("Print Preview");
private JButton printText2Button = new JButton("Print Text2");
private JButton printFileButton = new JButton("Print File");
private JButton printFrameButton = new JButton("Print Frame");
private JButton exitButton = new JButton("Exit");
private JTextArea area = new JTextArea();
private JScrollPane scroll = new JScrollPane(area);
private JPanel buttonPanel = new JPanel();
private int PAGES = 0;
private String printStr;
public PrintTest() {
this.setTitle("Print Test");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setBounds(100, 100, 800, 600);
initLayout();
}
private void initLayout() {
this.getContentPane().setLayout(new BorderLayout());
this.getContentPane().add(scroll, BorderLayout.CENTER);
printTextButton.setMnemonic('P');
printTextButton.addActionListener(this);
buttonPanel.add(printTextButton);
previewButton.setMnemonic('v');
previewButton.addActionListener(this);
buttonPanel.add(previewButton);
printText2Button.setMnemonic('e');
printText2Button.addActionListener(this);
buttonPanel.add(printText2Button);
printFileButton.setMnemonic('i');
printFileButton.addActionListener(this);
buttonPanel.add(printFileButton);
printFrameButton.setMnemonic('F');
printFrameButton.addActionListener(this);
buttonPanel.add(printFrameButton);
exitButton.setMnemonic('x');
exitButton.addActionListener(this);
buttonPanel.add(exitButton);
this.getContentPane().add(buttonPanel, BorderLayout.SOUTH);
}
public void actionPerformed(ActionEvent evt) {
Object src = evt.getSource();
if (src == printTextButton)
printTextAction();
else if (src == previewButton)
previewAction();
else if (src == printText2Button)
printText2Action();
else if (src == printFileButton)
printFileAction();
else if (src == printFrameButton)
printFrameAction();
else if (src == exitButton)
exitApp();
}
public int print(Graphics g, PageFormat pf, int page)
throws PrinterException {
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(Color.black);
if (page >= PAGES)
return Printable.NO_SUCH_PAGE;
g2.translate(pf.getImageableX(), pf.getImageableY());
drawCurrentPageText(g2, pf, page);
return Printable.PAGE_EXISTS;
}
private void drawCurrentPageText(Graphics2D g2, PageFormat pf, int page) {
Font f = area.getFont();
String s = getDrawText(printStr)[page];
String drawText;
float ascent = 16;
int k, i = f.getSize(), lines = 0;
while (s.length() > 0 && lines < 54) {
k = s.indexOf('\n');
if (k != -1) {
lines += 1;
drawText = s.substring(0, k);
g2.drawString(drawText, 0, ascent);
if (s.substring(k + 1).length() > 0) {
s = s.substring(k + 1);
ascent += i;
}
} else {
lines += 1;
drawText = s;
g2.drawString(drawText, 0, ascent);
s = "";
}
}
}
public String[] getDrawText(String s) {
String[] drawText = new String[PAGES];
for (int i = 0; i < PAGES; i++)
drawText[i] = "";
int k, suffix = 0, lines = 0;
while (s.length() > 0) {
if (lines < 54) {
k = s.indexOf('\n');
if (k != -1) {
lines += 1;
drawText[suffix] = drawText[suffix] + s.substring(0, k + 1);
if (s.substring(k + 1).length() > 0)
s = s.substring(k + 1);
} else {
lines += 1;
drawText[suffix] = drawText[suffix] + s;
s = "";
}
} else {
lines = 0;
suffix++;
}
}
return drawText;
}
public int getPagesCount(String curStr) {
int page = 0;
int position, count = 0;
String str = curStr;
while (str.length() > 0) {
position = str.indexOf('\n');
count += 1;
if (position != -1)
str = str.substring(position + 1);
else
str = "";
}
if (count > 0)
page = count / 54 + 1;
return page;
}
private void printTextAction() {
printStr = area.getText().trim();
if (printStr != null && printStr.length() > 0) {
PAGES = getPagesCount(printStr);
PrinterJob myPrtJob = PrinterJob.getPrinterJob();
PageFormat pageFormat = myPrtJob.defaultPage();
myPrtJob.setPrintable(this, pageFormat);
if (myPrtJob.printDialog()) {
try {
myPrtJob.print();
} catch (PrinterException pe) {
pe.printStackTrace();
}
}
/*File fd = new File(SLAVE_EVENTLOG_FILENAME2);
if (!(fd.exists())) {
System.out.println("Get EventLog2 failed!");
return;
}*/
} else {
JOptionPane.showConfirmDialog(null,
"Sorry, Printer Job is Empty, Print Cancelled!", "Empty",
JOptionPane.DEFAULT_OPTION, JOptionPane.WARNING_MESSAGE);
}
}
private void previewAction() {
printStr = area.getText().trim();
PAGES = getPagesCount(printStr);
(new PrintPreviewDialog(this, "Print Preview", true, this, printStr))
.setVisible(true);
}
private void printText2Action() {
printStr = area.getText().trim();
if (printStr != null && printStr.length() > 0) {
PAGES = getPagesCount(printStr);
DocFlavor flavor = DocFlavor.SERVICE_FORMATTED.PRINTABLE;
PrintService printService = PrintServiceLookup
.lookupDefaultPrintService();
DocPrintJob job = printService.createPrintJob();
PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();
DocAttributeSet das = new HashDocAttributeSet();
Doc doc = new SimpleDoc(this, flavor, das);
try {
job.print(doc, pras);
} catch (PrintException pe) {
pe.printStackTrace();
}
} else {
JOptionPane.showConfirmDialog(null,
"Sorry, Printer Job is Empty, Print Cancelled!", "Empty",
JOptionPane.DEFAULT_OPTION, JOptionPane.WARNING_MESSAGE);
}
}
private void printFileAction() {
JFileChooser fileChooser = new JFileChooser();
int state = fileChooser.showOpenDialog(this);
if (state == fileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();
DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
PrintService printService[] = PrintServiceLookup
.lookupPrintServices(flavor, pras);
PrintService defaultService = PrintServiceLookup
.lookupDefaultPrintService();
PrintService service = ServiceUI.printDialog(null, 200, 200,
printService, defaultService, flavor, pras);
if (service != null) {
try {
DocPrintJob job = service.createPrintJob();
FileInputStream fis = new FileInputStream(file);
DocAttributeSet das = new HashDocAttributeSet();
Doc doc = new SimpleDoc(fis, flavor, das);
job.print(doc, pras);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
private void printFrameAction() {
Toolkit kit = Toolkit.getDefaultToolkit();
Properties props = new Properties();
props.put("awt.print.printer", "durango");
props.put("awt.print.numCopies", "2");
if (kit != null) {
PrintJob printJob = kit.getPrintJob(this, "Print Frame", props);
if (printJob != null) {
Graphics pg = printJob.getGraphics();
if (pg != null) {
try {
this.printAll(pg);
} finally {
pg.dispose();
}
}
printJob.end();
}
}
}
private void exitApp() {
this.setVisible(false);
this.dispose();
System.exit(0);
}
public static void main(String[] args) {
(new PrintTest()).setVisible(true);
}
}
//预览
/**
* @author starhu
*
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import java.awt.print.PageFormat;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
public class PrintPreviewDialog extends JDialog implements ActionListener {
private JButton nextButton = new JButton("Next");
private JButton previousButton = new JButton("Previous");
private JButton closeButton = new JButton("Close");
private JPanel buttonPanel = new JPanel();
private PreviewCanvas canvas;
public PrintPreviewDialog(Frame parent, String title, boolean modal,
PrintTest pt, String str) {
super(parent, title, modal);
canvas = new PreviewCanvas(pt, str);
setLayout();
}
private void setLayout() {
this.getContentPane().setLayout(new BorderLayout());
this.getContentPane().add(canvas, BorderLayout.CENTER);
nextButton.setMnemonic('N');
nextButton.addActionListener(this);
buttonPanel.add(nextButton);
previousButton.setMnemonic('N');
previousButton.addActionListener(this);
buttonPanel.add(previousButton);
closeButton.setMnemonic('N');
closeButton.addActionListener(this);
buttonPanel.add(closeButton);
this.getContentPane().add(buttonPanel, BorderLayout.SOUTH);
this.setBounds(0, 0, 1024, 768);
// (int)((SystemProperties.SCREEN_WIDTH - 400) / 2),
// (int)((SystemProperties.SCREEN_HEIGHT - 400) / 2), 400, 400);
}
public void actionPerformed(ActionEvent evt) {
Object src = evt.getSource();
if (src == nextButton)
nextAction();
else if (src == previousButton)
previousAction();
else if (src == closeButton)
closeAction();
}
private void closeAction() {
this.setVisible(false);
this.dispose();
}
private void nextAction() {
canvas.viewPage(1);
}
private void previousAction() {
canvas.viewPage(-1);
}
}
class PreviewCanvas extends JPanel {
private String printStr;
private int currentPage = 0;
private PrintTest preview;
public PreviewCanvas(PrintTest pt, String str) {
printStr = str;
preview = pt;
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
PageFormat pf = PrinterJob.getPrinterJob().defaultPage();
double xoff;
double yoff;
double scale;
double px = pf.getWidth();
double py = pf.getHeight();
double sx = getWidth() - 1;
double sy = getHeight() - 1;
if (px / py < sx / sy) {
scale = sy / py;
xoff = 0.5 * (sx - scale * px);
yoff = 0;
} else {
scale = sx / px;
xoff = 0;
yoff = 0.5 * (sy - scale * py);
}
g2.translate((float) xoff, (float) yoff);
g2.scale((float) scale, (float) scale);
Rectangle2D page = new Rectangle2D.Double(0, 0, px, py);
g2.setPaint(Color.white);
g2.fill(page);
g2.setPaint(Color.black);
g2.draw(page);
try {
preview.print(g2, pf, currentPage);
} catch (PrinterException pe) {
g2.draw(new Line2D.Double(0, 0, px, py));
g2.draw(new Line2D.Double(0, px, 0, py));
}
}
public void viewPage(int pos) {
int newPage = currentPage + pos;
if (0 <= newPage && newPage < preview.getPagesCount(printStr)) {
currentPage = newPage;
repaint();
}
}
}
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