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| import java.awt.*;
import java.awt.event.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.print.*;
import java.util.*;
import javax.print.*;
import javax.print.attribute.*;
import javax.swing.*;
public class BookTest extends JDialog
{
public BookTest(Frame parent,JPanel[] PanelTb)
{
super(parent);
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
setTitle("Preview");
setSize(300,75);
PanelTb1=PanelTb;
Container contentPane=getContentPane();
//attribut d'impression
attributes=new HashPrintRequestAttributeSet();
JPanel buttonPanel =new JPanel();
JButton printButton=new JButton("Imprimer");
buttonPanel.add(printButton);
printButton.addActionListener(new
ActionListener()
{
public void actionPerformed(ActionEvent event)
{
try
{
//creation d'un printjob pour imprimer
PrinterJob job=PrinterJob.getPrinterJob();
Book book=makeBook();
System.out.println(book.getNumberOfPages());
job.setPageable(book);
if (job.printDialog(attributes))
{
job.print(attributes);
}
}
catch(PrinterException exception)
{
JOptionPane.showMessageDialog(BookTest.this,exception);
}
}
});
JButton pageSetupButton=new JButton("Mise en page");
buttonPanel.add(pageSetupButton);
pageSetupButton.addActionListener(new
ActionListener()
{
public void actionPerformed(ActionEvent event)
{
//creation d'un printjob pour mise en page
PrinterJob job=PrinterJob.getPrinterJob();
pageFormat=job.pageDialog(attributes);
}
});
JButton printPreviewButton=new JButton("Apercu");
buttonPanel.add(printPreviewButton);
printPreviewButton.addActionListener(new
ActionListener()
{
public void actionPerformed(ActionEvent event)
{
//creation d'un jdialog de preview
PrintPreviewDialog dialog =new PrintPreviewDialog(makeBook());
dialog.setVisible(true);
}
});
contentPane.add(buttonPanel,BorderLayout.CENTER);
}
//creation du book
public Book makeBook()
{
if (pageFormat==null)
{
PrinterJob printJob=PrinterJob.getPrinterJob();
pageFormat=printJob.defaultPage();
}
Book book=new Book();
for(int i=0;i<PanelTb1.length;i++){
imprimer imp =new imprimer((FichePers)PanelTb1[i]);
book.append(imp, pageFormat);
}
return book;
}
JPanel[] PanelTb1;
private PageFormat pageFormat;
private PrintRequestAttributeSet attributes ;
}
class PrintPreviewDialog extends JDialog
{
public PrintPreviewDialog(Printable p,PageFormat pf,int pages)
{
Book book=new Book();
book.append(p,pf,pages);
layoutUI(book);
}
public PrintPreviewDialog(Book b)
{
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
setTitle("Preview");
setSize(800,600);
layoutUI(b);
}
public void layoutUI(Book book)
{
setSize(600,600);
Container contentPane=getContentPane();
canvas =new PrintPreviewCanvas(book);
contentPane.add(canvas,BorderLayout.CENTER);
JPanel buttonPanel=new JPanel();
JButton nextButton=new JButton("Suivant");
buttonPanel.add(nextButton);
nextButton.addActionListener(new
ActionListener()
{
public void actionPerformed(ActionEvent event)
{
canvas.flipPage(1);
}
});
JButton previousButton=new JButton("Précédent");
buttonPanel.add(previousButton);
previousButton.addActionListener(new
ActionListener()
{
public void actionPerformed(ActionEvent event)
{
canvas.flipPage(-1);
}
});
JButton closeButton=new JButton("Fermer");
buttonPanel.add(closeButton);
closeButton.addActionListener(new
ActionListener()
{
public void actionPerformed(ActionEvent event)
{
setVisible(false);
}
});
contentPane.add(buttonPanel,BorderLayout.SOUTH);
}
private PrintPreviewCanvas canvas;
private static final int WIDTH=300;
private static final int HEIGHT=300;
}
class PrintPreviewCanvas extends JPanel
{
public PrintPreviewCanvas(Book b)
{
book=b;
currentPage=0;
}
public void paintComponent(Graphics g)
{
super.paintComponent(g);
Graphics2D g2=(Graphics2D)g;
PageFormat pageFormat=book.getPageFormat(currentPage);
double xoff;
double yoff;
double scale;
double px=pageFormat.getWidth();
double py=pageFormat.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);
Printable printable=book.getPrintable(currentPage);
try
{
printable.print(g2,pageFormat,0);
}
catch(PrinterException exception)
{
g2.draw(new Line2D.Double(0,0,px,py));
g2.draw(new Line2D.Double(0,px,0,py));
}
}
public void flipPage(int by)
{
int newPage=currentPage+by;
if(0<=newPage && newPage<book.getNumberOfPages())
{
currentPage=newPage;
repaint();
}
}
private Book book;
private int currentPage;
} |
