Tables
25
You’remixingtextmodeandcompositemode.
Intextmode,youcreatethe
PdfPCell
witha
Phrase
astheparameteroftheconstructor,andyou
definethealignmentatthe levelofthecell. However,you’reworking incomposite mode. This
modeistriggeredassoonasyouusethe
addElement()
method.Incompositemode,thealignment
definedatthelevelofthecellisignored(whichexplainsyourproblem).Instead,thealignmentof
theseparateelementsisused.
Howtosolveyourproblem?
Eitherworkintextmodebyaddingyour
Phrase
tothecellinadifferentway.Orworkincomposite
modeandusea
Paragraph
forwhichyoudefinethealignment.
Theadvantageof composite modeover text mode isthatdifferentparagraphsin thesamecell
canhavedifferentalignments, whereasyoucanonlyhaveonealignmentintextmode.Another
advantage is that you can add more than justtext: you can also add images, lists, tables,… An
advantageof textmodeisspeed:ittakeslessprocessingtimetodealwiththecontentofacell.
How to use multiple fonts in a single cell?
I’mmakingawindowsformforafriendthatdeliverspackages.SoIwanttotransferhis
currentpaperform,intoa.pdfwiththelibraryiTextSharp.
WhatIneed:
Iwantthetabletohavealittleheadline,“Companyname”forexample,thetextshouldbe
alittlesmallerthanthetextinputfromthewindowsform.CurrentlyI’musingcellsand
waswonderingifIcanuse2differentfontsizeswithinthesamecell?
WhatIhave:
table.AddCell("Static headline" + Chunk.NEWLINE + richTextBox1.Text);
WhatI“want”:
var normalFont = = FontFactory.GetFont(FontFactory.HELVETICA, 9);
var boldFont = = FontFactory.GetFont(FontFactory.HELVETICA_BOLD, 12);
table.AddCell("Static headline", boldFont + Chunk.NEWLINE + richTextBox1.Text, n\
ormalFont);
PostedonStackOverflowonFeb13,2014⁴³byFrederikKiel⁴⁴
⁴³
http://stackoverflow.com/questions/21750597/c-sharp-itextsharp-multi-fonts-in-a-single-cell
⁴⁴
http://stackoverflow.com/users/3300515/frederik-kiel
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Tables
26
You’repassinga
String
anda
Font
to the
AddCell()
method.That’snotgoingtowork.Youneed
the
AddCell()
methodthattakesa
Phrase
objectora
PdfPCell
objectasparameter.
A
Phrase
isanobjectthatconsistsofdifferent
Chunk
s,andthedifferent
Chunk
scanhavedifferent
fontsizes.Forinstance:
Phrase phrase = new Phrase();
phrase.Add(
new Chunk("Some BOLD text", new Font(Font.FontFamily.TIMES_ROMAN, 12, Font.\
BOLD))
);
phrase.Add(new Chunk(", some normal text"new Font()));
table.AddCell(phrase);
A
PdfPCell
is an object to which you can add different objects, such as
Phrase
s,
Paragraph
s,
Image
s,…
PdfPCell cell = new PdfPCell();
cell.AddElement(new Paragraph("Hello"));
cell.AddElement(list);
cell.AddElement(image);
Inthissnippet
list
isoftype
List
and
image
isoftype
Image
.
The first snippet uses text mode; the second snippet uses composite mode. Cells behave very
differentlydependingonthemodeyouuse.
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Tables
27
How to introduce a rowspan?
IamaddingatabletoaPDFfile.Ihave3rowsand3columns.Iwantthefirstcolumn
toappearonlyonceasasinglecellforalltherows.Theresultshouldbelikewhere
itsaysDeloitteinthecolumnofcompanyasshownintheimage:
Tableshowingdesiredresult
PostedonStackOverflowonApr5,2014⁴⁵bysindhujampani⁴⁶
TheMyFirstTable⁴⁷examplefrommybookdoesexactlywhatyouneed.PortedtoC#,itlookslike
this:
PdfPTable table = new PdfPTable(3);
// the cell object
PdfPCell cell;
// we add a cell with colspan 3
cell = new PdfPCell(new Phrase("Cell with colspan 3"));
cell.Colspan = 3;
table.AddCell(cell);
// now we add a cell with rowspan 2
cell = new PdfPCell(new Phrase("Cell with rowspan 2"));
cell.Rowspan = 2;
table.AddCell(cell);
// we add the four remaining cells with addCell()
table.AddCell("row 1; cell 1");
table.AddCell("row 1; cell 2");
table.AddCell("row 2; cell 1");
table.AddCell("row 2; cell 2");
⁴⁵
http://stackoverflow.com/questions/22878410/constant-column-for-multiple-rows
⁴⁶
http://stackoverflow.com/users/3191619/sindhu-jampani
⁴⁷
http://itextpdf.com/examples/iia.php?id=75
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Tables
28
YoucanlookattheresultingPDFhere⁴⁸.Inyourcaseyou’dneed
cell.Rowspan = 6;
ForthecellwithvalueDeloitte.
How to change width of single column of table?
helloIhavecreatedtableinaPDFfileusingiText.Theheadingofmytablecolumnsare
“MedicineName”,“Doses”,and“time:Thisiswhatmycolumnslooklike:
|Medicin|Doses|time|
| e name|
|
|
Asyoucanseetheword“Medicine”issplitinto“Medicin”and“e”.Iwanttoavoidthisby
changingthewidthofthefirstcolumn,butIdon’tknowhowtodothat.
PostedonStackOverflowonJun10,2014⁴⁹byDCoder⁵⁰
TheColumnWidths⁵¹exampledemonstratesdifferentwaysofchangingthewidthofacolumn.This
isonespecificway:
PdfPTable table new PdfPTable(3);
table.setWidths(new int[]{2, 1, , 1});
Nowthewidthofthefirstcolumnisdoublethesizeofthesecondandthirdcolumn.
⁴⁸
http://examples.itextpdf.com/results/part1/chapter04/first_table.pdf
⁴⁹
http://stackoverflow.com/questions/24141791/how-to-change-width-of-single-coloumn-of-table-itext-android
⁵⁰
http://stackoverflow.com/users/2843856/dcoder
⁵¹
http://itextpdf.com/examples/iia.php?id=76
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Tables
29
What is the
PdfPTable.DefaultCell
property used
for?
What is the
DefaultCell
property used for? The Java documentation for
PdfPTable.getDefaultCell()
reads:
Getsthedefault
PdfPCell
thatwillbeusedasreferenceforallthe
addCell
methodsexcept
addCell(PdfPCell)
.
Idon’tunderstandthis.
PostedonStackOverflowonJun3,2014⁵²byWaterCoolerv2⁵³
Whencreatinga
PdfPTable
,youaddcells.
Onewayistocreatea
PdfPCell
objectandtoaddthatcellwiththe
addCell()
method.
Anotherwayistouseashort-cut:youdon’tcreatea
PdfPCell
,butyouadda
String
ora
Phrase
tothetablewiththe
addCell()
method.Inthiscase,a
PdfPCell
iscreatedinternallyusingdefault
properties.Youcanchangethedefaultpropertiesbychangingthepropertiesofthedefaultcell.
Thedefaultcellisobtainedusingthe
getDefaultCell()
method.
This is what the Javadoc information is about: this default
PdfPCell
will be used as reference
forallthe
addCell()
methodsexcept
addCell(PdfPCell)
.(Becausewhenaddinga
PdfPCell
,the
propertiesofthat
PdfPCell
willbeused,notthepropertiesofthedefaultcell.)
How to draw a borderless table in iTextSharp?
It appearsasthough the
PDfPCell
class does have a border property on itbut not the
PdfPTable
class.
Istheresomepropertyonthe
PdfPTable
classtosetthebordersofallitscontainedcellsin
onestatement?
PostedonStackOverflowonJun3,2014⁵⁴byWaterCoolerv2⁵⁵
Bordersaredefinedatthelevelofthecell,notatthelevelofthetable.Hence:ifyouwanttoremove
thebordersofthetable,youneedtoremovethebordersofeachcell.
⁵²
http://stackoverflow.com/questions/24006618/what-is-the-pdfptable-defaultcell-property-used-for
⁵³
http://stackoverflow.com/users/303685/water-cooler-v2
⁵⁴
http://stackoverflow.com/questions/24006547/draw-a-borderless-table-in-itextsharp
⁵⁵
http://stackoverflow.com/users/303685/water-cooler-v2
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Tables
30
Bydefault,eachcellhasaborder.Youcanchangethisdefaultbehaviorbychangingtheborderof
eachcell.Forinstance:ifyoucreate
PdfPCell
objects,youuse:
cell.setBorder(Rectangle.NO_BORDER);
Incasethecellsarecreatedinternally,youneedtochangethatpropertyatthelevelofthedefault
cell.
table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
Forspecialborders,forinstanceborderswithroundedcornersorasingleborderforthewholetable,
ordoubleborders,youcanuseeithercelleventsortableevents,oracombinationofboth.
Why doesn’t
getDefaultCell()
.setBorder(PdfPCell.NO_BORDER)
have any effect?
I’m new with iText and I’m trying to build a table. For some reason
table.getDefaultCell().setBorder(PdfPCell.NO_BORDER)
has no effect: my table
hasstillborders.
Hereismycode:
PdfPTable table new PdfPTable(new float[] { { 1, 1, , 1, 1, , 1 1 });
table.getDefaultCell().setBorder(PdfPCell.NO_BORDER);
Font tfont new Font(Font.FontFamily.UNDEFINED, 10, Font.BOLD);
table.setWidthPercentage(100);
PdfPCell cell;
cell new PdfPCell(new Phrase("Menge", tfont));
table.addCell(cell);
cell new PdfPCell(new Phrase("Beschreibung", tfont));
table.addCell(cell);
cell new PdfPCell(new Phrase("Einzelpreis", tfont));
table.addCell(cell);
cell new PdfPCell(new Phrase("Gesamtpreis", tfont));
table.addCell(cell);
cell new PdfPCell(new Phrase("MwSt", tfont));
table.addCell(cell);
document.add(table);
DoyouhaveanyideawhatIamdoingwrong?
PostedonStackOverflowonNov30,2014⁵⁶byhiasl⁵⁷
⁵⁶
http://stackoverflow.com/questions/27212695/itext-5-getdefaultcell-setborderpdfpcell-no-border-has-no-effect
⁵⁷
http://stackoverflow.com/users/4308508/hiasl
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Tables
31
Youaremixingtwodifferentconcepts.
Concept1:youdefineevery
PdfPCell
manually,forinstance:
PdfPCell cell new PdfPCell(new Phrase("Menge", tfont));
cell.setBorder(Rectangle.NO_BORDER);
table.addCell(cell);
Inthiscase,youdefineeveryaspect,everypropertyofthecellonthecellitself.
Concept2:youallowiTexttocreatethe
PdfPCell
implicitly,forinstance:
table.addCell("Adding a String");
table.addCell(new Phrase("Adding a phrase"));
Inthiscase,youcandefinepropertiesatthelevelofthedefaultcell.Thesepropertieswillbeused
internallywheniTextcreatesa
PdfPCell
inyourplace.
Conclusion:eitheryoudefinetheborderforallthe
PdfPCell
instancesseparately,oryouletiText
createthe
PdfPCell
instancesinwhichcaseyoucandefinetheborderatthelevelofthedefaultcell.
Ifyouchoosethesecondoption,youcanadaptyourcodelikethis:
PdfPTable table new PdfPTable(new float[] { { 1, , 1, , 1, 1, 1 });
table.getDefaultCell().setBorder(PdfPCell.NO_BORDER);
Font tfont new Font(Font.FontFamily.UNDEFINED, 10, Font.BOLD);
table.setWidthPercentage(100);
table.addCell(new Phrase("Menge", tfont));
table.addCell(new Phrase("Beschreibung", tfont));
table.addCell(new Phrase("Einzelpreis", tfont));
table.addCell(new Phrase("Gesamtpreis", tfont));
table.addCell(new Phrase("MwSt", tfont));
document.add(table);
Thisdecisionwasmadebydesign,basedonexperience:itoffersthemostflexibletoworkwithcells
andproperties.
Table events
Wecontinuewithsomequestionsabouttablesofwhichtheanswerinvolvestableorcellevents.
How to use adotted line as a cell border?
Iamtryingtocreateatablewithcellsthathaveadottedlineforaborder.HowcanIdo
this?
PostedonStackOverflowonNov21,2013⁵⁸withuser1913695⁵⁹
I’vemadeanexamplethatsolvesyourproblem:DottedLineCell⁶⁰;TheresultingPDFisadocument
withtwotables:dotted_line_cell.pdf⁶¹
Forthefirsttable,weuseatableevent:
class DottedCells implements PdfPTableEvent {
@Override
public void tableLayout(PdfPTable tablefloat[][] widths,
float[] heights, int headerRows, int rowStart,
PdfContentByte[] canvases) {
PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
canvas.setLineDash(3f, 3f);
float llx widths[0][0];
float urx widths[0][widths[0].length -1];
for (int = 0; heights.lengthi++) {
canvas.moveTo(llx, heights[i]);
canvas.lineTo(urx, heights[i]);
}
for (int = 0; widths.lengthi++) {
for (int = 0; widths[i].lengthj++) {
canvas.moveTo(widths[i][j], heights[i]);
canvas.lineTo(widths[i][j], heights[i+1]);
}
⁵⁸
http://stackoverflow.com/questions/20117321/dotted-line-for-cell-border
⁵⁹
http://stackoverflow.com/users/1913695/user1913695
⁶⁰
http://itextpdf.com/sandbox/tables/DottedLineCell
⁶¹
http://itextpdf.com/sites/default/files/dotted_line_cell.pdf
Tableevents
33
}
canvas.stroke();
}
}
Thisisthemostelegantwaytodrawthecellborders,asitusesonlyone
stroke()
operatorforall
thelines.Unfortunately,thissolutionisn’tanoptionifyouhavetableswithrowspans.
Thesecondtableusesacellevent:
class DottedCell implements PdfPCellEvent {
@Override
public void cellLayout(PdfPCell cellRectangle position,
PdfContentByte[] canvases) {
PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
canvas.setLineDash(3f, 3f);
canvas.rectangle(position.getLeft(), position.getBottom(),
position.getWidth(), position.getHeight());
canvas.stroke();
}
}
Withacellevent,aborderisdrawnaroundeverycell.Thismeansyou’llhavemultiple
stroke()
operatorsandoverlappinglines.However:thissolutionalwaysworks,alsowhenthetablehascells
witharowspangreaterthanone.
How to create atable with rounded corners?
Ihavetocreateatablehavingroundedcorners,somethinglikeit:
Cellwithroundedborder
CanIdoitwithiTextSharp?
PostedonStackOverflowonMay14,2014⁶²byAndreaNobili⁶³
⁶²
http://stackoverflow.com/questions/23650957/how-to-create-a-rounded-corner-table-using-itext-itextsharp
⁶³
http://stackoverflow.com/users/1833945/andreanobili
Tableevents
34
Thisisdoneusingcellevents.
Makesurethatyoudon’taddany“automated”borderstothecell,butdrawthebordersyourselfin
acellevent:
table.DefaultCell.Border = PdfPCell.NO_BORDER;
table.DefaultCell.CellEvent = new RoundedBorder();
The
RoundedBorder
classwouldthenlooklikethis:
class RoundedBorder : IPdfPCellEvent {
public void CellLayout(PdfPCell cell, , Rectangle rect, PdfContentByte[] canvas)\
{
PdfContentByte cb = canvas[PdfPTable.BACKGROUNDCANVAS];
cb.RoundRectangle(
rect.Left + 1.5f,
rect.Bottom + 1.5f,
rect.Width - 3,
rect.Height - 34
);
cb.Stroke();
}
}
Youcanofcoursefine-tunethevalues1.5,3and4togetdifferenteffects.
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