Repeating rows
Example that explains how to meet the very specific requirement explained in the following question: How to repeat the last 5 rows of a table on the next page?
headerrowrepeated
JAVA
JAVA
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 Apryse Group NV
Authors: Apryse Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
package com.itextpdf.samples.sandbox.tables;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.properties.UnitValue;
import java.io.File;
public class HeaderRowRepeated {
public static final String DEST = "./target/sandbox/tables/header_row_repeated.pdf";
public static void main(String[] args) throws Exception {
File file = new File(DEST);
file.getParentFile().mkdirs();
new HeaderRowRepeated().manipulatePdf(DEST);
}
protected void manipulatePdf(String dest) throws Exception {
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
// table with 2 columns:
Table table = new Table(UnitValue.createPercentArray(2)).useAllAvailableWidth();
// header row:
table.addHeaderCell("Key");
table.addHeaderCell("Value");
table.setSkipFirstHeader(true);
// many data rows:
for (int i = 1; i < 51; i++) {
table.addCell("key: " + i);
table.addCell("value: " + i);
}
doc.add(table);
doc.close();
}
}
C#
C#
using System;
using System.IO;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
namespace iText.Samples.Sandbox.Tables
{
public class HeaderRowRepeated
{
public static readonly string DEST = "results/sandbox/tables/header_row_repeated.pdf";
public static void Main(String[] args)
{
FileInfo file = new FileInfo(DEST);
file.Directory.Create();
new HeaderRowRepeated().ManipulatePdf(DEST);
}
private void ManipulatePdf(string dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
// table with 2 columns:
Table table = new Table(UnitValue.CreatePercentArray(2)).UseAllAvailableWidth();
// header row:
table.AddHeaderCell("Key");
table.AddHeaderCell("Value");
table.SetSkipFirstHeader(true);
// many data rows:
for (int i = 1; i < 51; i++)
{
table.AddCell("key: " + i);
table.AddCell("value: " + i);
}
doc.Add(table);
doc.Close();
}
}
}
repeatlastrows
JAVA
JAVA
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 Apryse Group NV
Authors: Apryse Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
package com.itextpdf.samples.sandbox.tables;
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.properties.UnitValue;
import com.itextpdf.layout.renderer.IRenderer;
import com.itextpdf.layout.renderer.TableRenderer;
import java.io.File;
public class RepeatLastRows {
public static final String DEST = "./target/sandbox/tables/repeat_last_rows.pdf";
public static void main(String[] args) throws Exception {
File file = new File(DEST);
file.getParentFile().mkdirs();
new RepeatLastRows().manipulatePdf(DEST);
}
protected void manipulatePdf(String dest) throws Exception {
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
Table table = new Table(UnitValue.createPercentArray(1)).useAllAvailableWidth();
table.setNextRenderer(new RepeatTableRenderer(table, new Table.RowRange(0, 113)));
for (int i = 1; i < 115; i++) {
table.addCell(new Cell().add(new Paragraph("row " + i)));
}
doc.add(table);
doc.close();
}
private static class RepeatTableRenderer extends TableRenderer {
public RepeatTableRenderer(Table modelElement, Table.RowRange rowRange) {
super(modelElement, rowRange);
}
protected RepeatTableRenderer(Table modelElement) {
super(modelElement);
}
// If a renderer overflows on the next area, iText uses #getNextRenderer() method to create a new renderer for the overflow part.
// If #getNextRenderer() isn't overridden, the default method will be used and thus the default rather than the custom
// renderer will be created
@Override
public IRenderer getNextRenderer() {
return new RepeatTableRenderer((Table) modelElement);
}
@Override
protected TableRenderer[] split(int row) {
RepeatTableRenderer splitRenderer = (RepeatTableRenderer) createSplitRenderer(
new Table.RowRange(rowRange.getStartRow(), rowRange.getStartRow() + row));
splitRenderer.rows = rows.subList(0, row);
RepeatTableRenderer overflowRenderer;
if (rows.size() - row > 5) {
overflowRenderer = (RepeatTableRenderer) createOverflowRenderer(
new Table.RowRange(rowRange.getStartRow() + row, rowRange.getFinishRow()));
overflowRenderer.rows = rows.subList(row, rows.size());
} else {
overflowRenderer = (RepeatTableRenderer) createOverflowRenderer(
new Table.RowRange(rowRange.getFinishRow() - 5, rowRange.getFinishRow()));
overflowRenderer.rows = rows.subList(rows.size() - 5, rows.size());
}
splitRenderer.occupiedArea = occupiedArea;
return new TableRenderer[] {splitRenderer, overflowRenderer};
}
}
}
C#
C#
using System;
using System.IO;
using System.Linq;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
using iText.Layout.Renderer;
namespace iText.Samples.Sandbox.Tables
{
public class RepeatLastRows
{
public static readonly string DEST = "results/sandbox/tables/repeat_last_rows.pdf";
public static void Main(String[] args)
{
FileInfo file = new FileInfo(DEST);
file.Directory.Create();
new RepeatLastRows().ManipulatePdf(DEST);
}
private void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
Table table = new Table(UnitValue.CreatePercentArray(1)).UseAllAvailableWidth();
table.SetNextRenderer(new RepeatTableRenderer(table, new Table.RowRange(0, 113)));
for (int i = 1; i < 115; i++)
{
table.AddCell(new Cell().Add(new Paragraph("row " + i)));
}
doc.Add(table);
doc.Close();
}
private class RepeatTableRenderer : TableRenderer
{
public RepeatTableRenderer(Table modelElement, Table.RowRange rowRange)
: base(modelElement, rowRange)
{
}
protected RepeatTableRenderer(Table modelElement)
: base(modelElement)
{
}
// If renderer overflows on the next area, iText uses getNextRender() method to create a renderer for the overflow part.
// If getNextRenderer isn't overriden, the default method will be used and thus a default rather than custom
// renderer will be created
public override IRenderer GetNextRenderer()
{
return new RepeatTableRenderer((Table) modelElement);
}
protected override TableRenderer[] Split(int row)
{
RepeatTableRenderer splitRenderer = (RepeatTableRenderer) CreateSplitRenderer
(new Table.RowRange(rowRange.GetStartRow(), rowRange.GetStartRow() + row));
splitRenderer.rows = rows.ToList().GetRange(0, row);
RepeatTableRenderer overflowRenderer;
if (rows.Count - row > 5)
{
overflowRenderer = (RepeatTableRenderer) CreateOverflowRenderer(
new Table.RowRange(rowRange.GetStartRow() + row, rowRange.GetFinishRow()));
overflowRenderer.rows = rows.ToList().GetRange(row, rows.Count);
}
else
{
overflowRenderer = (RepeatTableRenderer) CreateOverflowRenderer(
new Table.RowRange(rowRange.GetFinishRow() - 5, rowRange.GetFinishRow()));
overflowRenderer.rows = rows.ToList().GetRange(rows.Count - 5, rows.Count);
}
splitRenderer.occupiedArea = occupiedArea;
return new TableRenderer[] {splitRenderer, overflowRenderer};
}
}
}
}
repeatlastrows2
JAVA
JAVA
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 Apryse Group NV
Authors: Apryse Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
package com.itextpdf.samples.sandbox.tables;
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.properties.UnitValue;
import com.itextpdf.layout.renderer.IRenderer;
import com.itextpdf.layout.renderer.TableRenderer;
import java.io.File;
public class RepeatLastRows2 {
public static final String DEST = "./target/sandbox/tables/repeat_last_rows2.pdf";
public static void main(String[] args) throws Exception {
File file = new File(DEST);
file.getParentFile().mkdirs();
new RepeatLastRows2().manipulatePdf(DEST);
}
protected void manipulatePdf(String dest) throws Exception {
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
Table table = new Table(UnitValue.createPercentArray(1)).useAllAvailableWidth();
table.setNextRenderer(new RepeatTableRenderer(table, new Table.RowRange(0, 100)));
for (int i = 1; i < 100; i++) {
table.addCell(new Cell().add(new Paragraph("row " + i)));
}
doc.add(table);
doc.close();
}
private static class RepeatTableRenderer extends TableRenderer {
public RepeatTableRenderer(Table modelElement, Table.RowRange rowRange) {
super(modelElement, rowRange);
}
protected RepeatTableRenderer(Table modelElement) {
super(modelElement);
}
// If a renderer overflows on the next area, iText uses #getNextRenderer() method to create a new renderer for the overflow part.
// If #getNextRenderer() isn't overridden, the default method will be used and thus the default rather than the custom
// renderer will be created
@Override
public IRenderer getNextRenderer() {
return new RepeatTableRenderer((Table) modelElement);
}
@Override
protected TableRenderer[] split(int row) {
RepeatTableRenderer splitRenderer = (RepeatTableRenderer) createSplitRenderer(
new Table.RowRange(rowRange.getStartRow(), rowRange.getStartRow() + row));
splitRenderer.rows = rows.subList(0, row);
RepeatTableRenderer overflowRenderer;
if (row > 5) {
overflowRenderer = (RepeatTableRenderer) createOverflowRenderer(
new Table.RowRange(rowRange.getStartRow() - 5 + row, rowRange.getFinishRow()));
overflowRenderer.rows = rows.subList(row - 5, rows.size());
} else {
overflowRenderer = (RepeatTableRenderer) createOverflowRenderer(
new Table.RowRange(rowRange.getStartRow() + row, rowRange.getFinishRow()));
overflowRenderer.rows = rows.subList(row, rows.size());
}
splitRenderer.occupiedArea = occupiedArea;
return new TableRenderer[] {splitRenderer, overflowRenderer};
}
}
}
C#
C#
using System;
using System.IO;
using System.Linq;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;
using iText.Layout.Renderer;
namespace iText.Samples.Sandbox.Tables
{
public class RepeatLastRows2
{
public static readonly string DEST = "results/sandbox/tables/repeat_last_rows2.pdf";
public static void Main(String[] args)
{
FileInfo file = new FileInfo(DEST);
file.Directory.Create();
new RepeatLastRows2().ManipulatePdf(DEST);
}
private void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
Document doc = new Document(pdfDoc);
Table table = new Table(UnitValue.CreatePercentArray(1)).UseAllAvailableWidth();
table.SetNextRenderer(new RepeatTableRenderer(table, new Table.RowRange(0, 100)));
for (int i = 1; i < 100; i++)
{
table.AddCell(new Cell().Add(new Paragraph("row " + i)));
}
doc.Add(table);
doc.Close();
}
private class RepeatTableRenderer : TableRenderer
{
public RepeatTableRenderer(Table modelElement, Table.RowRange rowRange)
: base(modelElement, rowRange)
{
}
protected RepeatTableRenderer(Table modelElement)
: base(modelElement)
{
}
// If renderer overflows on the next area, iText uses getNextRender() method to create a renderer for the overflow part.
// If getNextRenderer isn't overriden, the default method will be used and thus a default rather than custom
// renderer will be created
public override IRenderer GetNextRenderer()
{
return new RepeatTableRenderer((Table) modelElement);
}
protected override TableRenderer[] Split(int row)
{
RepeatTableRenderer splitRenderer = (RepeatTableRenderer) CreateSplitRenderer(
new Table.RowRange(rowRange.GetStartRow(), rowRange.GetStartRow() + row));
splitRenderer.rows = rows.ToList().GetRange(0, row);
RepeatTableRenderer overflowRenderer;
if (row > 5)
{
overflowRenderer = (RepeatTableRenderer) CreateOverflowRenderer(
new Table.RowRange(rowRange.GetStartRow() - 5 + row, rowRange.GetFinishRow()));
overflowRenderer.rows = rows.ToList().GetRange(row - 5, rows.Count);
}
else
{
overflowRenderer = (RepeatTableRenderer) CreateOverflowRenderer(
new Table.RowRange(rowRange.GetStartRow() + row, rowRange.GetFinishRow()));
overflowRenderer.rows = rows.ToList().GetRange(row, rows.Count);
}
splitRenderer.occupiedArea = occupiedArea;
return new TableRenderer[] {splitRenderer, overflowRenderer};
}
}
}
}