iTEXT USER wrote:
Hi Bruno,
Please find the attached file. The code is available. When you run this and
generate the pdf , you can see the tables are being splitted . I dont want
them to be splitted. Please suggest some alternatives.
http://www.nabble.com/file/p12361961/Test.java Test.java
I'm sorry to say this: but your code is very obscure.
Normally I'd suggest that you start again from scratch
using only methods and techniques explained in the book.
I tried adapting your code to make it work, but as you
can see when you execute the code in attachment,
it doesn't work 100% correctly. Nevertheless, it will
help you find out how to work with ColumnText the way
you should (not the way you did). There's a lot more room
for improvement in other areas of your code (for instance
the way you are using the page events), but this was as
much help I could give you, given the limited time available.
br,
Bruno
package test;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.ExceptionConverter;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.ColumnText;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfPageEvent;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
/**
* This class is used to create the EPub Numeric PDF template for all ePub
* Categories.
*
* @author sakthi
*/
public class Test implements PdfPageEvent{
private static final String HEADER_TEXT = "HEADER TEXT";
private static final String footerText = "FOOTER TEXT";
private static final String footerDate = "28 Aug 2007";
private static final Font BOLD_FONT = FontFactory.getFont(
FontFactory.HELVETICA, 6f, Font.BOLD);
private static final Font NORMAL_FONT = FontFactory.getFont(
FontFactory.HELVETICA, 6f, Font.NORMAL);
private Document doc;
private ColumnText columnText;
private final float gutter = 0;
private final int numColumns = 4;
private float topColumn;
private PdfContentByte contentByte;
private PdfTemplate template;
private float fullWidth;
private float columnWidth;
private float allColumns[];
private int currentColumn;
private String tempNumber;
/**Creates pdf doc.
*
* @return
*/
public void createPDF() {
try {
//Create document object
doc = new Document();
PdfWriter writer = PdfWriter.getInstance(doc, new FileOutputStream("test.pdf"));
//writer.setViewerPreferences(PdfWriter.PageModeUseOutlines);
doc.open();
writer.setPageEvent(this);
contentByte = writer.getDirectContent();
createTemplate();
currentColumn = 0;
columnText = new ColumnText(contentByte);
columnText.setSimpleColumn(allColumns[currentColumn], doc.bottom(),
allColumns[currentColumn] + columnWidth+30, topColumn,
0, Element.ALIGN_LEFT);
for (int i = 1; i < 200; i++) {
PdfPTable addressTable = new PdfPTable(2);
addressTable.setTotalWidth(columnWidth);
int teleNumber = i * 1000;
//Assgining temp number
tempNumber = Integer.toString(teleNumber);
PdfPCell teleNumberCell = new PdfPCell(new Paragraph( Integer.toString(teleNumber), BOLD_FONT));
teleNumberCell.setHorizontalAlignment(Element.ALIGN_LEFT);
//teleNumberCell.setBorder(Rectangle.NO_BORDER);
addressTable.addCell(teleNumberCell);
PdfPCell lCityCell = new PdfPCell(new Phrase("City Name", NORMAL_FONT));
lCityCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
//lCityCell.setBorder(Rectangle.NO_BORDER);
addressTable.addCell(lCityCell);
PdfPCell tradeNameCell = new PdfPCell(new Phrase("Trade Name 1 , Trade Name 2", NORMAL_FONT));
tradeNameCell.setHorizontalAlignment(Element.ALIGN_LEFT);
//tradeNameCell.setBorder(0);
tradeNameCell.setPaddingLeft(12f);
tradeNameCell.setColspan(2);
addressTable.addCell(tradeNameCell);
PdfPCell countryCell = new PdfPCell(new Phrase("Country name", NORMAL_FONT));
countryCell.setHorizontalAlignment(Element.ALIGN_LEFT);
//countryCell.setBorder(Rectangle.NO_BORDER);
countryCell.setPaddingLeft(12f);
countryCell.setColspan(2);
addressTable.addCell(countryCell);
PdfPCell emptyCell = new PdfPCell();
//emptyCell.setBorder(0);
emptyCell.setPaddingTop(10f);
emptyCell.setPaddingBottom(10f);
emptyCell.setColspan(2);
addressTable.addCell(emptyCell);
addColumns(addressTable, teleNumber);
} //End of for loop
doc.close();
System.out.println("created document");
} catch (DocumentException de) {
de.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
private void addColumns(PdfPTable table, int teleNumber) throws DocumentException {
float y = columnText.getYLine();
columnText.addElement(table);
int goFlag = columnText.go(true);
columnText.setYLine(y);
if (ColumnText.hasMoreText(goFlag)) {
currentColumn++;
if (currentColumn == 4) {
doc.newPage();
currentColumn = 0;
}
columnText = new ColumnText(contentByte);
columnText.setSimpleColumn(allColumns[currentColumn],
doc.bottom(),
allColumns[currentColumn] + columnWidth + 30, topColumn,
0, Element.ALIGN_LEFT);
}
columnText.addElement(table);
columnText.go();
/*while ((goFlag & ColumnText.NO_MORE_TEXT) == 0) {
if (goFlag == ColumnText.NO_MORE_COLUMN) {
currentY = topColumn;
columnText.setSimpleColumn(allColumns[currentColumn], doc
.bottom(),
allColumns[currentColumn] + columnWidth + 30, currentY,
0, Element.ALIGN_LEFT);
currentColumn++;
}
goFlag = columnText.go();
if (currentColumn == 4) {
if (goFlag == ColumnText.NO_MORE_COLUMN) {
doc.newPage();
for (int k = 1; k < numColumns; ++k) {
float x = allColumns[k] - gutter / 2;
contentByte.moveTo(x, topColumn);
contentByte.lineTo(x, doc.bottom());
}
contentByte.stroke();
contentByte.addTemplate(template, 0, 0);
currentColumn = 0;
}
}
}*/
}
private void createTemplate() {
template = contentByte.createTemplate(600, 800);
template.rectangle(doc.left(), doc.bottom(), doc.right() - doc.left(),
doc.top() - doc.bottom() - 35);
template.stroke();
fullWidth = doc.right() - doc.left();
columnWidth = (fullWidth - (numColumns - 1) * gutter) / numColumns;
allColumns = new float[numColumns]; // left
for (int k = 0; k < numColumns; ++k) {
allColumns[k] = doc.left() + (columnWidth + gutter) * k;
}
// Added column borders
topColumn = doc.top() - 35;
for (int k = 1; k < numColumns; ++k) {
float x = allColumns[k] - gutter / 2;
contentByte.moveTo(x, topColumn);
contentByte.lineTo(x, doc.bottom());
}
contentByte.stroke();
contentByte.addTemplate(template, 0, 0);
}
// For agency number
public void onOpenDocument(PdfWriter writer, Document document) {
}
public void onStartPage(PdfWriter writer, Document document) {
}
public void onCloseDocument(PdfWriter writer, Document document) {
}
public void onParagraph(PdfWriter writer, Document document,
float paragraphPosition) {
}
public void onParagraphEnd(PdfWriter writer, Document document,
float paragraphPosition) {
}
public void onChapter(PdfWriter writer, Document document,
float paragraphPosition, Paragraph title) {
}
public void onChapterEnd(PdfWriter writer, Document document,
float paragraphPosition) {
}
public void onSection(PdfWriter writer, Document document,
float paragraphPosition, int depth, Paragraph title) {
}
public void onSectionEnd(PdfWriter writer, Document document,
float paragraphPosition) {
}
public void onGenericTag(PdfWriter writer, Document document,
Rectangle rect, String text) {
}
/**
* Adds headers and footers after wrinting the contents on document
*
*/
public void onEndPage(PdfWriter writer, Document document) {
try {
for (int k = 1; k < numColumns; ++k) {
float x = allColumns[k] - gutter / 2;
contentByte.moveTo(x, topColumn);
contentByte.lineTo(x, doc.bottom());
}
contentByte.stroke();
contentByte.addTemplate(template, 0, 0);
Rectangle page = document.getPageSize();
PdfPTable header = new PdfPTable(3);
PdfPCell logoCell = new PdfPCell(new Phrase("Logo cell", NORMAL_FONT));
logoCell.setBorder(Rectangle.NO_BORDER);
PdfPCell headerTextCell = new PdfPCell(new Paragraph(HEADER_TEXT, BOLD_FONT));
headerTextCell.setBorder(Rectangle.NO_BORDER);
headerTextCell.setHorizontalAlignment(Element.ALIGN_CENTER);
PdfPTable pageTable = new PdfPTable(1);
String pageNumber = Integer.toString(document.getPageNumber());
PdfPCell pageNoCell = new PdfPCell(new Phrase(pageNumber, NORMAL_FONT));
pageNoCell.setBorder(Rectangle.NO_BORDER);
PdfPCell teleNumberCell = new PdfPCell(new Phrase(tempNumber, NORMAL_FONT));
teleNumberCell.setBorder(Rectangle.NO_BORDER);
teleNumberCell.setPaddingTop(15f);
// Footer
PdfPTable footer = new PdfPTable(2);
// Name of document
PdfPCell footerTextCell = new PdfPCell(new Paragraph(footerText, NORMAL_FONT));
footerTextCell.setBorder(Rectangle.NO_BORDER);
// Date created
PdfPCell footerDateCell = new PdfPCell(new Paragraph(footerDate, NORMAL_FONT));
footerDateCell.setBorder(Rectangle.NO_BORDER);
if (document.getPageNumber() % 2 == 0) {
logoCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
pageNoCell.setHorizontalAlignment(Element.ALIGN_LEFT);
teleNumberCell.setHorizontalAlignment(Element.ALIGN_LEFT);
pageTable.addCell(pageNoCell);
if(teleNumberCell != null){
pageTable.addCell(teleNumberCell);
}
PdfPCell pageTableCell = new PdfPCell(pageTable);
pageTableCell.setBorder(Rectangle.NO_BORDER);
pageTableCell.setHorizontalAlignment(Element.ALIGN_LEFT);
header.addCell(pageTableCell);
header.addCell(headerTextCell);
header.addCell(logoCell);
footerTextCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
footerDateCell.setHorizontalAlignment(Element.ALIGN_LEFT);
footer.addCell(footerDateCell);
footer.addCell(footerTextCell);
} else {
logoCell.setHorizontalAlignment(Element.ALIGN_LEFT);
pageNoCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
teleNumberCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
pageTable.addCell(pageNoCell);
if(teleNumberCell != null){
pageTable.addCell(teleNumberCell);
}
PdfPCell pageTableCell = new PdfPCell(pageTable);
pageTableCell.setBorder(Rectangle.NO_BORDER);
pageTableCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
header.addCell(logoCell);
header.addCell(headerTextCell);
header.addCell(pageTableCell);
footerTextCell.setHorizontalAlignment(Element.ALIGN_LEFT);
footerDateCell.setHorizontalAlignment(Element.ALIGN_RIGHT);
footer.addCell(footerTextCell);
footer.addCell(footerDateCell);
}
header.setTotalWidth(page.width() - document.leftMargin()
- document.rightMargin());
header.writeSelectedRows(0, -1, document.leftMargin(), page
.height()- document.topMargin() + header.getTotalHeight()-30,
writer.getDirectContent());
footer.setTotalWidth(page.width() - document.leftMargin()
- document.rightMargin());
footer.writeSelectedRows(0, -1, document.leftMargin(), document
.bottomMargin(), writer.getDirectContent());
} catch (Exception e) {
throw new ExceptionConverter(e);
}
}
public static void main(String args[]){
new Test().createPDF();
}
}-------------------------------------------------------------------------
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