org.webswing.toolkit.WebPrinterJob Maven / Gradle / Ivy

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package org.webswing.toolkit;

import java.awt.Graphics2D;
import java.awt.HeadlessException;
import java.awt.print.PageFormat;
import java.awt.print.Pageable;
import java.awt.print.Paper;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.net.URI;
import java.util.UUID;

import javax.print.PrintService;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.Media;
import javax.print.attribute.standard.MediaPrintableArea;
import javax.print.attribute.standard.MediaSize;
import javax.print.attribute.standard.MediaSizeName;
import javax.print.attribute.standard.OrientationRequested;
import javax.print.attribute.standard.PageRanges;

import org.webswing.Constants;
import org.webswing.model.internal.PrinterJobResultMsgInternal;
import org.webswing.toolkit.util.DummyGraphics2D;
import org.webswing.toolkit.util.Logger;
import org.webswing.toolkit.util.Services;
import org.webswing.toolkit.util.Util;
import org.webswing.toolkit.util.WebPrintDialog;

public class WebPrinterJob extends PrinterJob {
	private static final int DPI = 72;

	private static Graphics2D dummyG = new DummyGraphics2D();
	private PrintRequestAttributeSet attribs = new HashPrintRequestAttributeSet();
	private Printable printable;
	private Pageable pageable;
	private PrintService service;

	public WebPrinterJob() {
		service = WebPrintService.getService();
	}

	@Override
	public void setPrintable(Printable painter) {
		this.printable = painter;
	}

	@Override
	public void setPrintable(Printable painter, PageFormat format) {
		setPrintable(painter);
	}

	@Override
	public void setPageable(Pageable document) throws NullPointerException {
		this.pageable = document;
	}

	@Override
	public boolean printDialog() throws HeadlessException {
		return true;//implemented in WebPrinterJobWrapper
	}

	@Override
	public PageFormat pageDialog(PageFormat page) throws HeadlessException {
		return page;//implemented in WebPrinterJobWrapper
	}

	@Override
	public PageFormat defaultPage(PageFormat page) {
		return defaultPage();
	}

	@Override
	public PageFormat defaultPage() {
		HashPrintRequestAttributeSet attrs = new HashPrintRequestAttributeSet();
		attrs.add((OrientationRequested) service.getDefaultAttributeValue(OrientationRequested.class));
		attrs.add((MediaSizeName) service.getDefaultAttributeValue(Media.class));
		attrs.add((MediaPrintableArea) service.getDefaultAttributeValue(MediaPrintableArea.class));
		return WebPrinterJobWrapper.toPageFormat(attrs);
	}

	@Override
	public PageFormat validatePage(PageFormat page) {
		return page;//implemented in WebPrinterJobWrapper
	}

	@Override
	public void print(PrintRequestAttributeSet attributes) throws PrinterException {
		this.attribs.addAll(attributes);
		print();
	}

	@Override
	public void print() throws PrinterException {
		ByteArrayOutputStream out = new ByteArrayOutputStream();
		PageFormat pageFormat = WebPrinterJobWrapper.toPageFormat(attribs);
		Graphics2D resultPdf = Services.getPdfService().createPDFGraphics(out, pageFormat);
		if (printable != null) {
			int i = 0;
			boolean tryNext = true;
			while (tryNext) {
				int result = paintPdf(resultPdf, pageFormat, printable, i);
				if (result == Printable.NO_SUCH_PAGE) {
					tryNext = false;
				} else {
					i++;
				}
			}
		} else if (pageable != null) {
			int no = this.pageable.getNumberOfPages();
			for (int i = 0; i < no; i++) {
				paintPdf(resultPdf, this.pageable.getPageFormat(i), this.pageable.getPrintable(i), i);
			}
		}
		Services.getPdfService().closePDFGraphics(resultPdf);
		String tempDir = System.getProperty(Constants.TEMP_DIR_PATH);
		String id = UUID.randomUUID().toString();
		File f = new File(URI.create(tempDir + "/" + id + ".pdf"));
		try {
			FileOutputStream output = new FileOutputStream(f);
			out.writeTo(output);
			output.close();
		} catch (Exception e) {
			Logger.error("Failed to save print pdf file to location " + f.getAbsolutePath(), e);
		}
		PrinterJobResultMsgInternal printResult = new PrinterJobResultMsgInternal();
		printResult.setClientId(System.getProperty(Constants.SWING_START_SYS_PROP_CLIENT_ID));
		printResult.setTempFile(true);
		printResult.setId(id);
		printResult.setPdfFile(f);
		Util.getWebToolkit().getPaintDispatcher().sendObject(printResult);
	}

	private int paintPdf(Graphics2D resultPdf, PageFormat pageFormat2, Printable printable2, int i) throws PrinterException {
		PageFormat pageFormat = WebPrinterJobWrapper.toPageFormat(attribs);
		pageFormat2 = pageFormat2 == null ? pageFormat : pageFormat2;
		if (isInRange(i)) {
			if (printable2 != null && printable2.print(dummyG, pageFormat2, i) != Printable.NO_SUCH_PAGE) {
				Services.getPdfService().startPagePDFGraphics(resultPdf, pageFormat2);
				int result = printable2.print(resultPdf, pageFormat2, i);
				Services.getPdfService().endPagePDFGraphics(resultPdf);
				return result;
			}
			return Printable.NO_SUCH_PAGE;
		}
		return printable2.print(dummyG, pageFormat2, i);
	}

	private boolean isInRange(int i) {
		PageRanges range = null;
		if ((range = (PageRanges) attribs.get(PageRanges.class)) != null) {
			if (range.contains(i + 1)) {
				return true;
			} else {
				return false;
			}
		}
		return true;
	}

	@Override
	public void setCopies(int copies) {
	}

	@Override
	public int getCopies() {
		return 1;
	}

	@Override
	public String getUserName() {
		return "";
	}

	@Override
	public void setJobName(String jobName) {
	}

	@Override
	public String getJobName() {
		return "";
	}

	@Override
	public void cancel() {
	}

	@Override
	public boolean isCancelled() {
		return false;
	}

	@Override
	public PrintService getPrintService() {
		return service;
	}

	@Override
	public void setPrintService(PrintService service) throws PrinterException {
	}

}