package slipapp;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;

/**
 *
 * @author Doys
 */
public class AppletPrintable implements Printable {

    private Printing prt;
    private int totalPage = 0;
    private boolean printAll;
    private int printPage;

    public AppletPrintable(Printing prt, boolean printAll, int printPage) {
        this.prt = prt;
        this.totalPage = prt.totalPage;// prt.buffImage.length;
        this.printAll = printAll;
        this.printPage = printPage;
    }

    @Override
    public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {
        if (pageIndex < 0) {
            return NO_SUCH_PAGE;
        }
        if (!printAll && pageIndex > 0) {
            return NO_SUCH_PAGE;
        }
        if (pageIndex >= totalPage) {
            return NO_SUCH_PAGE;
        }
        int buffIndex = printAll ? pageIndex : printPage;
        Graphics2D g2 = (Graphics2D) graphics;
        try {
            prt.print(g2, buffIndex);
        } catch (Exception ex) {
            g2.setBackground(Color.WHITE);
            g2.setColor(Color.RED);
            g2.drawString("err: " + ex.toString(), 20, 20);
        }
        return PAGE_EXISTS;
    }
}