Java tutorial
/******************************************************************************* * Copyright (c) 2014 MEDEVIT. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * MEDEVIT <office@medevit.at> - initial API and implementation *******************************************************************************/ package at.medevit.elexis.impfplan.ui.handlers; import java.awt.Desktop; import java.awt.image.BufferedImage; import java.awt.image.ColorModel; import java.awt.image.DirectColorModel; import java.awt.image.IndexColorModel; import java.awt.image.WritableRaster; import java.io.File; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.GregorianCalendar; import org.apache.pdfbox.exceptions.COSVisitorException; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDDocumentInformation; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.pdmodel.common.PDRectangle; import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; import org.apache.pdfbox.pdmodel.font.PDFont; import org.apache.pdfbox.pdmodel.font.PDType1Font; import org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap; import org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.ImageData; import org.eclipse.swt.graphics.PaletteData; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Display; import org.eclipse.ui.PlatformUI; import at.medevit.elexis.impfplan.ui.VaccinationComposite; import at.medevit.elexis.impfplan.ui.VaccinationCompositePaintListener; import at.medevit.elexis.impfplan.ui.VaccinationView; import at.medevit.elexis.impfplan.ui.preferences.PreferencePage; import ch.elexis.core.data.activator.CoreHub; import ch.elexis.core.data.events.ElexisEventDispatcher; import ch.elexis.core.data.interfaces.events.MessageEvent; import ch.elexis.core.ui.util.SWTHelper; import ch.elexis.data.Mandant; import ch.elexis.data.Patient; import ch.elexis.data.Person; public class PrintVaccinationEntriesHandler extends AbstractHandler { private SimpleDateFormat sdf = new SimpleDateFormat("dd.MMMM yyyy"); @Override public Object execute(ExecutionEvent event) throws ExecutionException { Patient patient = ElexisEventDispatcher.getSelectedPatient(); VaccinationView vaccView = (VaccinationView) PlatformUI.getWorkbench().getActiveWorkbenchWindow() .getActivePage().findView(VaccinationView.PART_ID); VaccinationComposite vaccinationComposite = vaccView.getVaccinationComposite(); VaccinationCompositePaintListener vcpl = vaccinationComposite.getVaccinationCompositePaintListener(); final int dim = 800; Rectangle a4Rectangle = new Rectangle(0, 0, dim, (int) (dim * 1.41)); Display display = vaccinationComposite.getDisplay(); final Image image = new Image(display, a4Rectangle); GC gc = new GC(image); vcpl.paintControl(gc, display, a4Rectangle.width, a4Rectangle.height, true); gc.dispose(); try { createPDF(patient, image); } catch (COSVisitorException | IOException e) { MessageEvent.fireError("Fehler beim Erstellen des PDF", e.getMessage(), e); } vcpl.restorePrePrintSettting(); return null; } private void createPDF(Patient patient, Image image) throws IOException, COSVisitorException { PDDocumentInformation pdi = new PDDocumentInformation(); Mandant mandant = (Mandant) ElexisEventDispatcher.getSelected(Mandant.class); pdi.setAuthor(mandant.getName() + " " + mandant.getVorname()); pdi.setCreationDate(new GregorianCalendar()); pdi.setTitle("Impfausweis " + patient.getLabel()); PDDocument document = new PDDocument(); document.setDocumentInformation(pdi); PDPage page = new PDPage(); page.setMediaBox(PDPage.PAGE_SIZE_A4); document.addPage(page); PDRectangle pageSize = page.findMediaBox(); PDFont font = PDType1Font.HELVETICA_BOLD; PDFont subFont = PDType1Font.HELVETICA; PDPageContentStream contentStream = new PDPageContentStream(document, page); contentStream.beginText(); contentStream.setFont(font, 14); contentStream.moveTextPositionByAmount(40, pageSize.getUpperRightY() - 40); contentStream.drawString(patient.getLabel()); contentStream.endText(); String dateLabel = sdf.format(Calendar.getInstance().getTime()); String title = Person.load(mandant.getId()).get(Person.TITLE); String mandantLabel = title + " " + mandant.getName() + " " + mandant.getVorname(); contentStream.beginText(); contentStream.setFont(subFont, 10); contentStream.moveTextPositionByAmount(40, pageSize.getUpperRightY() - 55); contentStream.drawString("Ausstellung " + dateLabel + ", " + mandantLabel); contentStream.endText(); BufferedImage imageAwt = convertToAWT(image.getImageData()); PDXObjectImage pdPixelMap = new PDPixelMap(document, imageAwt); contentStream.drawXObject(pdPixelMap, 40, 30, pageSize.getWidth() - 80, pageSize.getHeight() - 100); contentStream.close(); String outputPath = CoreHub.userCfg.get(PreferencePage.VAC_PDF_OUTPUTDIR, CoreHub.getWritableUserDir().getAbsolutePath()); if (outputPath.equals(CoreHub.getWritableUserDir().getAbsolutePath())) { SWTHelper.showInfo("Kein Ausgabeverzeichnis definiert", "Ausgabe erfolgt in: " + outputPath + "\nDas Ausgabeverzeichnis kann unter Einstellungen\\Klinische Hilfsmittel\\Impfplan definiert werden."); } File outputDir = new File(outputPath); File pdf = new File(outputDir, "impfplan_" + patient.getPatCode() + ".pdf"); document.save(pdf); document.close(); Desktop.getDesktop().open(pdf); } static BufferedImage convertToAWT(ImageData data) { ColorModel colorModel = null; PaletteData palette = data.palette; if (palette.isDirect) { colorModel = new DirectColorModel(data.depth, palette.redMask, palette.greenMask, palette.blueMask); BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null); for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { int pixel = data.getPixel(x, y); RGB rgb = palette.getRGB(pixel); bufferedImage.setRGB(x, y, rgb.red << 16 | rgb.green << 8 | rgb.blue); } } return bufferedImage; } else { RGB[] rgbs = palette.getRGBs(); byte[] red = new byte[rgbs.length]; byte[] green = new byte[rgbs.length]; byte[] blue = new byte[rgbs.length]; for (int i = 0; i < rgbs.length; i++) { RGB rgb = rgbs[i]; red[i] = (byte) rgb.red; green[i] = (byte) rgb.green; blue[i] = (byte) rgb.blue; } if (data.transparentPixel != -1) { colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue, data.transparentPixel); } else { colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue); } BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null); WritableRaster raster = bufferedImage.getRaster(); int[] pixelArray = new int[1]; for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { int pixel = data.getPixel(x, y); pixelArray[0] = pixel; raster.setPixel(x, y, pixelArray); } } return bufferedImage; } } }