Rowspan and splitting

31st May 2016
iText
SplittingAndRowspan.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/35356847
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.property.UnitValue;
 
import java.io.File;
import java.io.IOException;
 
public class SplittingAndRowspan {
    public static final String DEST = "./target/sandbox/tables/splitting_and_rowspan.pdf";
 
    public static void main(String[] args) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new SplittingAndRowspan().manipulatePdf(DEST);
    }
 
    protected void manipulatePdf(String dest) throws IOException {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        Document doc = new Document(pdfDoc, new PageSize(300, 160));
 
        doc.add(new Paragraph("Table with setKeepTogether(true):"));
        Table table = new Table(UnitValue.createPercentArray(2)).useAllAvailableWidth();
        table.setKeepTogether(true);
        table.setMarginTop(10);
        Cell cell = new Cell(3, 1);
        cell.add(new Paragraph("G"));
        cell.add(new Paragraph("R"));
        cell.add(new Paragraph("P"));
        table.addCell(cell);
        table.addCell("row 1");
        table.addCell("row 2");
        table.addCell("row 3");
        doc.add(table);
 
        doc.add(new AreaBreak());
 
        doc.add(new Paragraph("Table with setKeepTogether(false):"));
        table.setKeepTogether(false);
        doc.add(table);
 
        doc.close();
    }
}
SplittingNestedTable1.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/35356847
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.property.UnitValue;
 
import java.io.File;
 
public class SplittingNestedTable1 {
    public static final String DEST = "./target/sandbox/tables/splitting_nested_table1.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new SplittingNestedTable1().manipulatePdf(DEST);
    }
 
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        Document doc = new Document(pdfDoc, new PageSize(300, 170));
 
        // Note that the sense of KEEP_TOGETHER property is slightly different from late splitting in itext5
        doc.add(new Paragraph("Table with setKeepTogether(true):"));
        Table table = new Table(UnitValue.createPercentArray(2)).useAllAvailableWidth();
        table.setKeepTogether(true);
        table.setMarginTop(10);
        Cell cell = new Cell();
        cell.add(new Paragraph("G"));
        cell.add(new Paragraph("R"));
        cell.add(new Paragraph("O"));
        cell.add(new Paragraph("U"));
        cell.add(new Paragraph("P"));
        table.addCell(cell);
        Table inner = new Table(UnitValue.createPercentArray(1)).useAllAvailableWidth();
        inner.addCell("row 1");
        inner.addCell("row 2");
        inner.addCell("row 3");
        inner.addCell("row 4");
        inner.addCell("row 5");
        cell = new Cell().add(inner);
        cell.setPadding(0);
        table.addCell(cell);
        doc.add(table);
 
        doc.add(new AreaBreak());
 
        doc.add(new Paragraph("Table with setKeepTogether(false):"));
        table.setKeepTogether(false);
        doc.add(table);
 
        doc.close();
    }
}
SplittingNestedTable2.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/35356847
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.property.UnitValue;
import org.junit.Ignore;
 
import java.io.File;
 
@Ignore
public class SplittingNestedTable2 {
    public static final String DEST = "./target/sandbox/tables/splitting_nested_table2.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new SplittingNestedTable2().manipulatePdf(DEST);
    }
 
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        // TODO DEVSIX-466
        Document doc = new Document(pdfDoc, new PageSize(300, 120));
        // doc.add(new Paragraph("Table with setKeepTogether(false):"));
        Table table = new Table(UnitValue.createPercentArray(2)).useAllAvailableWidth();
        table.setMarginTop(10);
        Cell cell = new Cell().add(new Paragraph("GROUPS"));
        //cell.setRotationAngle(Math.toRadians(90));
//        cell.setVerticalAlignment(VerticalAlignment.MIDDLE);
//        cell.setHorizontalAlignment(HorizontalAlignment.CENTER);
        table.addCell(cell);
        Table inner = new Table(UnitValue.createPercentArray(1)).useAllAvailableWidth();
        inner.addCell("row 1");
        inner.addCell("row 2");
        inner.addCell("row 3");
        inner.addCell("row 4");
        inner.addCell("row 5");
        cell = new Cell().add(inner);
//        cell.setPadding(0);
        table.addCell(cell);
 
//        doc.add(table);
////        doc.add(new AreaBreak());
//
        doc.add(new Paragraph("T")); // able with setKeepTogether(true):"));
//        table = new Table(UnitValue.createPercentArray(2)).useAllAvailableWidth();
        table.setKeepTogether(true);
//        table.setMarginTop(10);
//        cell = new Cell().add("GROUPS");
//        //cell.setRotationAngle(Math.toRadians(90));
//        cell.setVerticalAlignment(VerticalAlignment.MIDDLE);
//        cell.setHorizontalAlignment(HorizontalAlignment.CENTER);
//        table.addCell(cell);
//        inner = new Table(UnitValue.createPercentArray(1)).useAllAvailableWidth();
//        inner.addCell("row 1");
//        inner.addCell("row 2");
//        inner.addCell("row 3");
//        inner.addCell("row 4");
//        inner.addCell("row 5");
//        cell = new Cell().add(inner);
//        cell.setPadding(0);
//        table.addCell(cell);
//
        doc.add(table);
 
        doc.close();
    }
}
SplittingAndRowspan.cs
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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
Authors: iText Software.
 
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
 
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
 
namespace iText.Samples.Sandbox.Tables
{
    public class SplittingAndRowspan
    {
        public static readonly string DEST = "../../results/sandbox/tables/splitting_and_rowspan.pdf";
 
        public static void Main(String[] args)
        {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
 
            new SplittingAndRowspan().ManipulatePdf(DEST);
        }
 
        private void ManipulatePdf(String dest)
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            Document doc = new Document(pdfDoc, new PageSize(300, 160));
 
            doc.Add(new Paragraph("Table with setKeepTogether(true):"));
 
            Table table = new Table(UnitValue.CreatePercentArray(2)).UseAllAvailableWidth();
            table.SetKeepTogether(true);
            table.SetMarginTop(10);
 
            Cell cell = new Cell(3, 1);
            cell.Add(new Paragraph("G"));
            cell.Add(new Paragraph("R"));
            cell.Add(new Paragraph("P"));
 
            table.AddCell(cell);
            table.AddCell("row 1");
            table.AddCell("row 2");
            table.AddCell("row 3");
 
            doc.Add(table);
 
            doc.Add(new AreaBreak());
 
            doc.Add(new Paragraph("Table with setKeepTogether(false):"));
            table.SetKeepTogether(false);
 
            doc.Add(table);
            
            doc.Close();
        }
    }
}
SplittingNestedTable1.cs
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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
Authors: iText Software.
 
For more information, please contact iText Software at this Address:
sales@itextpdf.com
*/
 
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
 
namespace iText.Samples.Sandbox.Tables {
    public class SplittingNestedTable1 {
        public static readonly string DEST = "../../results/sandbox/tables/splitting_nested_table1.pdf";
 
        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
 
            new SplittingNestedTable1().ManipulatePdf(DEST);
        }
 
        protected void ManipulatePdf(String dest) {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            Document doc = new Document(pdfDoc, new PageSize(300, 210));
 
            doc.Add(new Paragraph("Table with setKeepTogether(true):"));
            Table table = CreateTable(true);
            doc.Add(table);
 
            doc.Add(new AreaBreak());
 
            doc.Add(new Paragraph("Table with setKeepTogether(false):"));
            table = CreateTable(false);
            doc.Add(table);
 
            doc.Close();
        }
 
        /// <summary>Creates a table with two cells, the second of which consists of an inner table.</summary>
        /// <param name="keepTableTogether">bool value which defines whether to keep the table together or not</param>
        /// <returns><see cref="Table"/> with the format specified above</returns>
        private Table CreateTable(bool keepTableTogether) {
            Table table = new Table(UnitValue.CreatePercentArray(2)).UseAllAvailableWidth();
            table.SetMarginTop(10);
 
            // If true, iText will do its best trying not to split the table and process it on a single area
            table.SetKeepTogether(keepTableTogether);
 
            Cell cell = new Cell();
            cell.Add(new Paragraph("G"));
            cell.Add(new Paragraph("R"));
            cell.Add(new Paragraph("O"));
            cell.Add(new Paragraph("U"));
            cell.Add(new Paragraph("P"));
 
            table.AddCell(cell);
 
            Table inner = new Table(UnitValue.CreatePercentArray(1)).UseAllAvailableWidth();
            inner.AddCell("row 1");
            inner.AddCell("row 2");
            inner.AddCell("row 3");
            inner.AddCell("row 4");
            inner.AddCell("row 5");
 
            cell = new Cell().Add(inner);
            cell.SetPadding(0);
            table.AddCell(cell);
 
            return table;
        }
    }
}
SplittingNestedTable2.cs
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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
Authors: iText Software.
 
For more information, please contact iText Software at this Address:
sales@itextpdf.com
*/
 
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
 
namespace iText.Samples.Sandbox.Tables {
    public class SplittingNestedTable2 {
        public static readonly string DEST = "../../results/sandbox/tables/splitting_nested_table2.pdf";
 
        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
 
            new SplittingNestedTable2().ManipulatePdf(DEST);
        }
 
        protected void ManipulatePdf(String dest) {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            Document doc = new Document(pdfDoc, new PageSize(300, 170));
 
            doc.Add(new Paragraph("Cell with setKeepTogether(true):"));
            Table table = CreateTable(true);
            doc.Add(table);
 
            doc.Add(new AreaBreak());
 
            doc.Add(new Paragraph("Cell with setKeepTogether(false):"));
            table = CreateTable(false);
            doc.Add(table);
 
            doc.Close();
        }
 
        /// <summary>Creates a table with two cells: the first is either kept together or not,
        ///          the second consists of an inner table.</summary>
        /// <param name="keepFirstCellTogether">bool value which defines whether to keep the first cell together or not</param>
        /// <returns><see cref="Table"/> with the format specified above</returns>
        private Table CreateTable(bool keepFirstCellTogether) {
            Table table = new Table(UnitValue.CreatePercentArray(2)).UseAllAvailableWidth();
            table.SetMarginTop(10);
 
            Cell cell = new Cell();
            cell.Add(new Paragraph("GROUPS"));
            cell.SetRotationAngle(Math.PI / 2);
 
            // If true, iText will do its best trying not to split the table and process it on a single area
            cell.SetKeepTogether(keepFirstCellTogether);
 
 
            table.AddCell(cell);
 
            Table inner = new Table(UnitValue.CreatePercentArray(1)).UseAllAvailableWidth();
            inner.AddCell("row 1");
            inner.AddCell("row 2");
            inner.AddCell("row 3");
            inner.AddCell("row 4");
            inner.AddCell("row 5");
 
            cell = new Cell().Add(inner);
            cell.SetPadding(0);
            table.AddCell(cell);
 
            return table;
        }
    }
}

Click the following link to see the legacy example for iText 5. Except for security fixes, iText 5 is no longer being developed.



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