import java.awt.print.Printable;
import java.awt.print.PageFormat;
import java.awt.print.PrinterJob;
import java.awt.print.PrinterException;
import javax.swing.RepaintManager;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Component;

class Nyomtatas implements Printable {
	private Component component;
	public void setComponent(Component component) {
		this.component = component;
	}
	public void print() {
		try	{
			tryPrint();
		} catch(PrinterException e)	{
			System.err.println("Hiba a nyomtatás során!");
		}
	}
	public void tryPrint()	throws PrinterException {
		PrinterJob printerJob = PrinterJob.getPrinterJob();
		printerJob.setPrintable(this);
		boolean enablePrint = printerJob.printDialog();
		if (enablePrint) {
			printerJob.print();
		}
	}	
	public int print(Graphics g, PageFormat pageFormat, int page) {
		if (page > 0) {
			return(NO_SUCH_PAGE);
		}else {		
			Graphics2D g2d = (Graphics2D)g;			
			g2d.translate(pageFormat.getImageableX(), 
				pageFormat.getImageableY());
		
			disableDoubleBuffering(this.component);
			this.component.paint(g2d);
			enableDoubleBuffering(this.component);		
			return(PAGE_EXISTS);
		}
	}
	public static void enableDoubleBuffering(Component component) {
		RepaintManager repaintManager = RepaintManager.currentManager(component);
		repaintManager.setDoubleBufferingEnabled(true);
	}	
	public static void disableDoubleBuffering(Component component) {
		RepaintManager repaintManager = RepaintManager.currentManager(component);
		repaintManager.setDoubleBufferingEnabled(false);
	}	
}