Java tutorial
/* * Copyright 2013-2018 Emmanuel BRUN (contact@amapj.fr) * * This file is part of AmapJ. * * AmapJ is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * AmapJ is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with AmapJ. If not, see <http://www.gnu.org/licenses/>. * * */ package fr.amapj.view.views.advanced.devtools; import java.io.InputStream; import com.vaadin.server.FontAwesome; import com.vaadin.server.Sizeable.Unit; import com.vaadin.server.StreamResource; import com.vaadin.ui.Link; import com.vaadin.ui.TextArea; import fr.amapj.service.engine.generator.pdf.AbstractPdfGenerator; import fr.amapj.view.engine.popup.formpopup.WizardFormPopup; /** * Permet de faire une conversion HTML To Pdf avec wkhtmltopdf * * */ public class PopupHtmlToPdf extends WizardFormPopup { private TextArea tf; public enum Step { SAISIE; } /** * */ public PopupHtmlToPdf() { setWidth(80); popupTitle = "Transformation HTML vers PDF"; } @Override protected void configure() { add(Step.SAISIE, () -> addFieldSaisie()); } private void addFieldSaisie() { setStepTitle("Conversion"); tf = new TextArea("Contenu html"); tf.setWidth("90%"); tf.setHeight(10, Unit.CM); tf.setImmediate(true); form.addComponent(tf); StreamResource streamResource = new StreamResource(new PdfResource(tf), "test.pdf"); streamResource.setCacheTime(1000); Link extractFile = new Link("Tlcharger le pdf", streamResource); extractFile.setIcon(FontAwesome.DOWNLOAD); extractFile.setTargetName("_blank"); form.addComponent(extractFile); } @Override protected void performSauvegarder() { } @Override protected Class getEnumClass() { return Step.class; } static public class PdfResource implements StreamResource.StreamSource { private TextArea t; public PdfResource(TextArea t) { this.t = t; } @Override public InputStream getStream() { String content = t.getValue(); // On force les marges 10 mm String addCmdLine = "-T 10 -B 10 -L 10 -R 10 "; // return AbstractPdfGenerator.convertHtmlToPdf(content, addCmdLine, true); } } }