/* This file is part of the iText (R) project. Copyright (c) 1998-2017 iText Group NV Authors: iText Software. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License version 3 as published by the Free Software Foundation with the addition of the following permission added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS This program 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 this program; if not, see http://www.gnu.org/licenses or write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA, 02110-1301 USA, or download the license from the following URL: http://itextpdf.com/terms-of-use/ The interactive user interfaces in modified source and object code versions of this program must display Appropriate Legal Notices, as required under Section 5 of the GNU Affero General Public License. In accordance with Section 7(b) of the GNU Affero General Public License, a covered work must retain the producer line in every PDF that is created or manipulated using iText. You can be released from the requirements of the license by purchasing a commercial license. Buying such a license is mandatory as soon as you develop commercial activities involving the iText software without disclosing the source code of your own applications. These activities include: offering paid services to customers as an ASP, serving PDFs on the fly in a web application, shipping iText with a closed source product. For more information, please contact iText Software Corp. at this address: sales@itextpdf.com */ package com.itextpdf.text.pdf.table; import com.itextpdf.testutils.CompareTool; import com.itextpdf.testutils.TestResourceUtils; import com.itextpdf.text.*; import com.itextpdf.text.pdf.*; import junit.framework.Assert; import org.junit.Before; import org.junit.Test; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; /** * @author Raf Hens */ public class KeepTogetherTest { private String cmpFolder = "./src/test/resources/com/itextpdf/text/pdf/table/keeptogether/";; private String outFolder = "./target/com/itextpdf/text/pdf/table/keeptogether/"; @Before public void setUp() throws Exception { new File(outFolder).mkdirs(); TestResourceUtils.purgeTempFiles(); } @Test public void testKeepTogether1() throws DocumentException, IOException, InterruptedException { testKeepTogether(true, true); compareDocuments(true, true); } @Test public void testKeepTogether2() throws DocumentException, IOException, InterruptedException { testKeepTogether(true, false); compareDocuments(true, false); } @Test public void testKeepTogether3() throws DocumentException, IOException, InterruptedException { testKeepTogether(false, true); compareDocuments(false, true); } @Test public void testKeepTogether4() throws DocumentException, IOException, InterruptedException { testKeepTogether(false, false); compareDocuments(false, false); } @Test public void testSplitLateAndSplitRow1() throws IOException, DocumentException, InterruptedException { String filename = "testSplitLateAndSplitRow1.pdf"; Document doc = new Document(PageSize.LETTER, 72f, 72f, 72f, 72f); PdfWriter writer = PdfWriter.getInstance(doc, new FileOutputStream(outFolder + filename)); doc.open(); PdfContentByte canvas = writer.getDirectContent(); ColumnText ct = new ColumnText(canvas); StringBuilder text = new StringBuilder(); for (int i = 0; i < 21; ++i) { text.append(i).append("\n"); } // Add a table with a single row and column that doesn't fit on one page PdfPTable t = new PdfPTable(1); t.setSplitLate(true); t.setSplitRows(true); t.setWidthPercentage(100f); ct.addElement(new Paragraph("Pushing table down\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\n")); PdfPCell c = new PdfPCell(); c.setHorizontalAlignment(Element.ALIGN_LEFT); c.setVerticalAlignment(Element.ALIGN_TOP); c.setBorder(Rectangle.NO_BORDER); c.setBorderWidth(0); c.setPadding(0); c.addElement(new Paragraph(text.toString())); t.addCell(c); ct.addElement(t); int status = 0; while (ColumnText.hasMoreText(status)) { ct.setSimpleColumn(doc.left(), doc.bottom(), doc.right(), doc.top()); status = ct.go(); if (ColumnText.hasMoreText(status)) doc.newPage(); } doc.close(); String errorMessage = new CompareTool().compareByContent(outFolder + filename, cmpFolder + filename, outFolder, "diff"); if (errorMessage != null) { Assert.fail(errorMessage); } } @Test public void testSplitLateAndSplitRow2() throws IOException, DocumentException, InterruptedException { String filename = "testSplitLateAndSplitRow2.pdf"; Document doc = new Document(PageSize.LETTER, 72f, 72f, 72f, 72f); PdfWriter writer = PdfWriter.getInstance(doc, new FileOutputStream(outFolder + filename)); doc.open(); PdfContentByte canvas = writer.getDirectContent(); ColumnText ct = new ColumnText(canvas); StringBuilder text = new StringBuilder(); for (int i = 0; i < 42; ++i) { text.append(i).append("\n"); } // Add a table with a single row and column that doesn't fit on one page PdfPTable t = new PdfPTable(1); t.setSplitLate(true); t.setSplitRows(true); t.setWidthPercentage(100f); ct.addElement(new Paragraph("Pushing table down\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\ndown\n")); PdfPCell c = new PdfPCell(); c.setHorizontalAlignment(Element.ALIGN_LEFT); c.setVerticalAlignment(Element.ALIGN_TOP); c.setBorder(Rectangle.NO_BORDER); c.setBorderWidth(0); c.setPadding(0); c.addElement(new Paragraph(text.toString())); t.addCell(c); ct.addElement(t); int status = 0; while (ColumnText.hasMoreText(status)) { ct.setSimpleColumn(doc.left(), doc.bottom(), doc.right(), doc.top()); status = ct.go(); if (ColumnText.hasMoreText(status)) doc.newPage(); } doc.close(); String errorMessage = new CompareTool().compareByContent(outFolder + filename, cmpFolder + filename, outFolder, "diff"); if (errorMessage != null) { Assert.fail(errorMessage); } } public void testKeepTogether(final boolean tagged, final boolean keepTogether) throws FileNotFoundException, DocumentException { Document document = new Document(); String file = "tagged_"+tagged+"-keeptogether_"+keepTogether+".pdf"; PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outFolder + file)); if (tagged) writer.setTagged(); document.open(); int columns = 3; int tables = 3; for (int tableCount = 0; tableCount < tables; tableCount++) { PdfPTable table = new PdfPTable(columns); for (int rowCount = 0; rowCount < 50; rowCount++) { PdfPCell cell1 = new PdfPCell(new Paragraph("t" + tableCount + " r:" + rowCount)); PdfPCell cell2 = new PdfPCell(new Paragraph("t" + tableCount + " r:" + rowCount)); PdfPCell cell3 = new PdfPCell(new Paragraph("t" + tableCount + " r:" + rowCount)); table.addCell(cell1); table.addCell(cell2); table.addCell(cell3); } table.setSpacingAfter(10f); table.setKeepTogether(keepTogether); document.add(table); } document.close(); } /** * Utility method that checks the created file against the cmp file * @param tagged Tagged document * @param keepTogether PdfPTable.setKeepTogether(true/false) * @throws DocumentException * @throws InterruptedException * @throws IOException */ private void compareDocuments(final boolean tagged, final boolean keepTogether) throws DocumentException, InterruptedException, IOException { String file = "tagged_"+tagged+"-keeptogether_"+keepTogether+".pdf"; CompareTool compareTool = new CompareTool(); String errorMessage = compareTool.compareByContent(outFolder + file, cmpFolder + file, outFolder, "diff"); if (errorMessage != null) { Assert.fail(errorMessage); } } }