package Util;

import java.awt.*;
import javax.swing.*;
import java.awt.print.*;


public class PrintUtilities implements Printable {
    private Component componentToBePrinted;
    
    public static void printComponent(Component c) {
	new PrintUtilities(c).print();
    }
  
    public PrintUtilities(Component componentToBePrinted) {
	this.componentToBePrinted = componentToBePrinted;
    }
    
    public void print() {
    PrinterJob printJob = PrinterJob.getPrinterJob();
    printJob.setPrintable(this);
    if (printJob.printDialog())
	try {
	    printJob.print();
	} catch(PrinterException pe) {
	    System.out.println("Error printing: " + pe);
	}
    }

    public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
	if (pageIndex > 0) {
	    return(NO_SUCH_PAGE);
	} else {
	    Graphics2D g2d = (Graphics2D)g;
	    g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
	    disableDoubleBuffering(componentToBePrinted);
	    componentToBePrinted.paint(g2d);
	    enableDoubleBuffering(componentToBePrinted);
	    return(PAGE_EXISTS);
	}
    }
    
    /** The speed and quality of printing suffers dramatically if
     *  any of the containers have double buffering turned on.
     *  So this turns if off globally.
     *  @see enableDoubleBuffering
     */
    public static void disableDoubleBuffering(Component c) {
	RepaintManager currentManager = RepaintManager.currentManager(c);
	currentManager.setDoubleBufferingEnabled(false);
    }

    /** Re-enables double buffering globally. */
    
    public static void enableDoubleBuffering(Component c) {
    RepaintManager currentManager = RepaintManager.currentManager(c);
    currentManager.setDoubleBufferingEnabled(true);
    }
    
}