package components;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import java.awt.print.Book;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.text.MessageFormat;

import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.swing.AbstractAction;
import javax.swing.Box;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.JToolBar;
import javax.swing.ScrollPaneConstants;

public class Imprimante extends JFrame {
   private Box panneau = Box.createVerticalBox();
   private JScrollPane ascenceur = new JScrollPane(panneau, 
                                 ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, 
                                 ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
   private JToolBar barre = new JToolBar();
   private Book pages = new Book();
   private PrintRequestAttributeSet attributs = new HashPrintRequestAttributeSet();
   private PrinterJob travail = PrinterJob.getPrinterJob();
   private PageFormat page = travail.getPageFormat(attributs);   
   private Aperçu boîte;
   private JTable table;
   
   public Imprimante(){
      super("Photos");

      table = new JTable(new components.MyTableModel());
      table.setPreferredScrollableViewportSize(new Dimension(500, 70));
      table.setFillsViewportHeight(true);
      
      
      MessageFormat header = new MessageFormat("Page {0,number,integer}");
      MessageFormat footer = new MessageFormat("Thales{0,number,integer}");
      Printable printable = table.getPrintable(JTable.PrintMode.NORMAL, header, footer);
      pages.append(printable, page,computeNbPages());
      
      
      
      //Create the scroll pane and add the table to it.
      panneau.add(table);    
      //Add the scroll pane to this panel.

      add(ascenceur);
      add(barre, BorderLayout.NORTH);
      barre.add(new AbstractAction("Aperçu avant impression") {
         public void actionPerformed(ActionEvent e) {
            if (boîte==null) boîte = new Aperçu();
            boîte.setVisible(true);
         }
      });
      barre.add(new AbstractAction("Imprimer") {
         public void actionPerformed(ActionEvent e) {
            try {
               travail.setPageable(pages);
               if (travail.printDialog(attributs)) {
                  travail.print(attributs);
               }
            } 
            catch (PrinterException ex) { JOptionPane.showMessageDialog(Imprimante.this, ex); }
         }
       });
      setSize(400, 300);
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      setVisible(true);
   }

   private int computeNbPages() {
	   float height = 0;
	   for (int index = 0; index < table.getModel().getRowCount(); index++) {
		   height += table.getRowHeight(index);

	   }
	   int nbPages = 1;
	   if (height > page.getImageableHeight()) {
		   nbPages = (int) ((height / page.getImageableHeight())+1);

	   }
	   System.out.println("page.getImageableHeight()= "+page.getImageableHeight());
	   System.out.println("rowCount= "+table.getModel().getRowCount());
	   System.out.println("height= "+height);
	   System.out.println("nbPages= "+nbPages);
	   //8 pages
	return nbPages;
}

public static void main(String[] args) { new Imprimante(); }
   
   
   private class Aperçu extends JDialog {
      private int pageCourante = 0;
      private Panneau panneau = new Panneau();
      private JToolBar barre = new JToolBar();      
      private String libellé = "Page {0}/{1}";
      private JTextField numéro = new JTextField(MessageFormat.format(libellé, pageCourante+1, pages.getNumberOfPages()));

      public Aperçu() {
         super(Imprimante.this, "Aperçu avant impression");
         add(panneau);
         barre.setFloatable(false);
         barre.add(new AbstractAction("Précédente") {
            public void actionPerformed(ActionEvent e) {
               if (pageCourante>0) {
                  pageCourante--;
                  numéro.setText(MessageFormat.format(libellé, pageCourante+1, pages.getNumberOfPages()));
                  repaint();
               }
            }
         });
         barre.add(new AbstractAction("Suivante") {
            public void actionPerformed(ActionEvent e) {
               if (pageCourante<pages.getNumberOfPages()-1) {
                  pageCourante++;
                  numéro.setText(MessageFormat.format(libellé, pageCourante+1, pages.getNumberOfPages()));
                  repaint();
               }
            }
         });
         numéro.setEditable(false);
         numéro.setHorizontalAlignment(JTextField.CENTER);
         barre.add(numéro);
         add(barre, BorderLayout.SOUTH);
         setSize(300, 300);
      }

      private class Panneau extends JComponent {
         @Override
         protected void paintComponent(Graphics g) {
            super.paintComponent(g);
            Graphics2D surface = (Graphics2D) g;
            double px = page.getWidth();
            double py = page.getHeight();
            double sx = getWidth()-1;
            double sy = getHeight()-1;
            double xoff, yoff;
            double échelle;
            if (px/py < sx/sy) { // centrer horizontalement
               échelle = sy / py;
               xoff = 0.5*(sx-échelle*px);
               yoff = 0;
            }
            else { // centrer verticalement
               échelle = sx /px;
               xoff = 0;
               yoff = 0.5*(sy-échelle*py);
            }
            surface.translate(xoff, yoff);
            surface.scale(échelle, échelle);
            Rectangle2D contour = new Rectangle2D.Double(0, 0, px, py);
            surface.setPaint(Color.WHITE);
            surface.fill(contour);
            surface.setPaint(Color.BLACK);
            surface.draw(contour);
            Printable aperçu = pages.getPrintable(pageCourante);
            try {
               aperçu.print(surface, page, pageCourante);
            } 
            catch (PrinterException ex) {
               surface.draw(new Line2D.Double(0, 0, px, py));
               surface.draw(new Line2D.Double(0, px, 0, py));
            }
         }         
      }  
   }
}