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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
< html >
< head >
< meta http-equiv = "Content-Type" content = "text/html; charset=ISO-8859-1" >
< title > Multi-columns< / title >
< link type = "text/css" rel = "stylesheet" href = "../fpdf.css" >
< / head >
< body >
< h1 > Multi-columns< / h1 >
This example is a variant of the previous one showing how to lay the text across multiple
columns.
< div class = "source" >
< pre > < code > < ?php
< span class = "kw" > require(< / span > < span class = "str" > 'fpdf.php'< / span > < span class = "kw" > );
class < / span > PDF < span class = "kw" > extends < / span > FPDF
< span class = "kw" > {
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< / span > < span class = "cmt" > // Current column
< / span > < span class = "kw" > var < / span > $col < span class = "kw" > = < / span > 0< span class = "kw" > ;
< / span > < span class = "cmt" > // Ordinate of column start
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< / span > < span class = "kw" > var < / span > $y0< span class = "kw" > ;
function < / span > Header< span class = "kw" > ()
{
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< / span > < span class = "cmt" > // Page header
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< / span > < span class = "kw" > global < / span > $title< span class = "kw" > ;
< / span > $< span class = "kw" > this-> < / span > SetFont< span class = "kw" > (< / span > < span class = "str" > 'Arial'< / span > < span class = "kw" > ,< / span > < span class = "str" > 'B'< / span > < span class = "kw" > ,< / span > 15< span class = "kw" > );
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< / span > $w < span class = "kw" > = < / span > $< span class = "kw" > this-> < / span > GetStringWidth< span class = "kw" > (< / span > $title< span class = "kw" > )+< / span > 6< span class = "kw" > ;
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< / span > $< span class = "kw" > this-> < / span > SetX< span class = "kw" > ((< / span > 210< span class = "kw" > -< / span > $w< span class = "kw" > )/< / span > 2< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetDrawColor< span class = "kw" > (< / span > 0< span class = "kw" > ,< / span > 80< span class = "kw" > ,< / span > 180< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetFillColor< span class = "kw" > (< / span > 230< span class = "kw" > ,< / span > 230< span class = "kw" > ,< / span > 0< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetTextColor< span class = "kw" > (< / span > 220< span class = "kw" > ,< / span > 50< span class = "kw" > ,< / span > 50< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetLineWidth< span class = "kw" > (< / span > 1< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > Cell< span class = "kw" > (< / span > $w< span class = "kw" > ,< / span > 9< span class = "kw" > ,< / span > $title< span class = "kw" > ,< / span > 1< span class = "kw" > ,< / span > 1< span class = "kw" > ,< / span > < span class = "str" > 'C'< / span > < span class = "kw" > ,< / span > true< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > Ln< span class = "kw" > (< / span > 10< span class = "kw" > );
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< / span > < span class = "cmt" > // Save ordinate
< / span > $< span class = "kw" > this-> < / span > y0 < span class = "kw" > = < / span > $< span class = "kw" > this-> < / span > GetY< span class = "kw" > ();
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}
function < / span > Footer< span class = "kw" > ()
{
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< / span > < span class = "cmt" > // Page footer
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< / span > $< span class = "kw" > this-> < / span > SetY< span class = "kw" > (-< / span > 15< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetFont< span class = "kw" > (< / span > < span class = "str" > 'Arial'< / span > < span class = "kw" > ,< / span > < span class = "str" > 'I'< / span > < span class = "kw" > ,< / span > 8< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetTextColor< span class = "kw" > (< / span > 128< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > Cell< span class = "kw" > (< / span > 0< span class = "kw" > ,< / span > 10< span class = "kw" > ,< / span > < span class = "str" > 'Page '< / span > < span class = "kw" > .< / span > $< span class = "kw" > this-> < / span > PageNo< span class = "kw" > (),< / span > 0< span class = "kw" > ,< / span > 0< span class = "kw" > ,< / span > < span class = "str" > 'C'< / span > < span class = "kw" > );
}
function < / span > SetCol< span class = "kw" > (< / span > $col< span class = "kw" > )
{
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< / span > < span class = "cmt" > // Set position at a given column
< / span > $< span class = "kw" > this-> < / span > col < span class = "kw" > = < / span > $col< span class = "kw" > ;
< / span > $x < span class = "kw" > = < / span > 10< span class = "kw" > +< / span > $col< span class = "kw" > *< / span > 65< span class = "kw" > ;
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< / span > $< span class = "kw" > this-> < / span > SetLeftMargin< span class = "kw" > (< / span > $x< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetX< span class = "kw" > (< / span > $x< span class = "kw" > );
}
function < / span > AcceptPageBreak< span class = "kw" > ()
{
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< / span > < span class = "cmt" > // Method accepting or not automatic page break
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< / span > < span class = "kw" > if(< / span > $< span class = "kw" > this-> < / span > col< span class = "kw" > < < / span > 2< span class = "kw" > )
{
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< / span > < span class = "cmt" > // Go to next column
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< / span > $< span class = "kw" > this-> < / span > SetCol< span class = "kw" > (< / span > $< span class = "kw" > this-> < / span > col< span class = "kw" > +< / span > 1< span class = "kw" > );
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< / span > < span class = "cmt" > // Set ordinate to top
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< / span > $< span class = "kw" > this-> < / span > SetY< span class = "kw" > (< / span > $< span class = "kw" > this-> < / span > y0< span class = "kw" > );
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< / span > < span class = "cmt" > // Keep on page
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< / span > < span class = "kw" > return < / span > false< span class = "kw" > ;
}
else
{
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< / span > < span class = "cmt" > // Go back to first column
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< / span > $< span class = "kw" > this-> < / span > SetCol< span class = "kw" > (< / span > 0< span class = "kw" > );
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< / span > < span class = "cmt" > // Page break
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< / span > < span class = "kw" > return < / span > true< span class = "kw" > ;
}
}
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function < / span > ChapterTitle< span class = "kw" > (< / span > $num< span class = "kw" > , < / span > $label< span class = "kw" > )
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{
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< / span > < span class = "cmt" > // Title
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< / span > $< span class = "kw" > this-> < / span > SetFont< span class = "kw" > (< / span > < span class = "str" > 'Arial'< / span > < span class = "kw" > ,< / span > < span class = "str" > ''< / span > < span class = "kw" > ,< / span > 12< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > SetFillColor< span class = "kw" > (< / span > 200< span class = "kw" > ,< / span > 220< span class = "kw" > ,< / span > 255< span class = "kw" > );
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< / span > $< span class = "kw" > this-> < / span > Cell< span class = "kw" > (< / span > 0< span class = "kw" > ,< / span > 6< span class = "kw" > ,< / span > < span class = "str" > "Chapter < / span > $num< span class = "str" > : < / span > $label< span class = "str" > "< / span > < span class = "kw" > ,< / span > 0< span class = "kw" > ,< / span > 1< span class = "kw" > ,< / span > < span class = "str" > 'L'< / span > < span class = "kw" > ,< / span > true< span class = "kw" > );
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< / span > $< span class = "kw" > this-> < / span > Ln< span class = "kw" > (< / span > 4< span class = "kw" > );
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< / span > < span class = "cmt" > // Save ordinate
< / span > $< span class = "kw" > this-> < / span > y0 < span class = "kw" > = < / span > $< span class = "kw" > this-> < / span > GetY< span class = "kw" > ();
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}
function < / span > ChapterBody< span class = "kw" > (< / span > $file< span class = "kw" > )
{
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< / span > < span class = "cmt" > // Read text file
< / span > $txt < span class = "kw" > = < / span > file_get_contents< span class = "kw" > (< / span > $file< span class = "kw" > );
< / span > < span class = "cmt" > // Font
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< / span > $< span class = "kw" > this-> < / span > SetFont< span class = "kw" > (< / span > < span class = "str" > 'Times'< / span > < span class = "kw" > ,< / span > < span class = "str" > ''< / span > < span class = "kw" > ,< / span > 12< span class = "kw" > );
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< / span > < span class = "cmt" > // Output text in a 6 cm width column
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< / span > $< span class = "kw" > this-> < / span > MultiCell< span class = "kw" > (< / span > 60< span class = "kw" > ,< / span > 5< span class = "kw" > ,< / span > $txt< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > Ln< span class = "kw" > ();
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< / span > < span class = "cmt" > // Mention
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< / span > $< span class = "kw" > this-> < / span > SetFont< span class = "kw" > (< / span > < span class = "str" > ''< / span > < span class = "kw" > ,< / span > < span class = "str" > 'I'< / span > < span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > Cell< span class = "kw" > (< / span > 0< span class = "kw" > ,< / span > 5< span class = "kw" > ,< / span > < span class = "str" > '(end of excerpt)'< / span > < span class = "kw" > );
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< / span > < span class = "cmt" > // Go back to first column
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< / span > $< span class = "kw" > this-> < / span > SetCol< span class = "kw" > (< / span > 0< span class = "kw" > );
}
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function < / span > PrintChapter< span class = "kw" > (< / span > $num< span class = "kw" > , < / span > $title< span class = "kw" > , < / span > $file< span class = "kw" > )
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{
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< / span > < span class = "cmt" > // Add chapter
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< / span > $< span class = "kw" > this-> < / span > AddPage< span class = "kw" > ();
< / span > $< span class = "kw" > this-> < / span > ChapterTitle< span class = "kw" > (< / span > $num< span class = "kw" > ,< / span > $title< span class = "kw" > );
< / span > $< span class = "kw" > this-> < / span > ChapterBody< span class = "kw" > (< / span > $file< span class = "kw" > );
}
}
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< / span > $pdf < span class = "kw" > = new < / span > PDF< span class = "kw" > ();
< / span > $title < span class = "kw" > = < / span > < span class = "str" > '20000 Leagues Under the Seas'< / span > < span class = "kw" > ;
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< / span > $pdf< span class = "kw" > -> < / span > SetTitle< span class = "kw" > (< / span > $title< span class = "kw" > );
< / span > $pdf< span class = "kw" > -> < / span > SetAuthor< span class = "kw" > (< / span > < span class = "str" > 'Jules Verne'< / span > < span class = "kw" > );
< / span > $pdf< span class = "kw" > -> < / span > PrintChapter< span class = "kw" > (< / span > 1< span class = "kw" > ,< / span > < span class = "str" > 'A RUNAWAY REEF'< / span > < span class = "kw" > ,< / span > < span class = "str" > '20k_c1.txt'< / span > < span class = "kw" > );
< / span > $pdf< span class = "kw" > -> < / span > PrintChapter< span class = "kw" > (< / span > 2< span class = "kw" > ,< / span > < span class = "str" > 'THE PROS AND CONS'< / span > < span class = "kw" > ,< / span > < span class = "str" > '20k_c2.txt'< / span > < span class = "kw" > );
< / span > $pdf< span class = "kw" > -> < / span > Output< span class = "kw" > ();
< / span > ?> < / code > < / pre >
< / div >
< p class = 'demo' > < a href = 'tuto4.php' target = '_blank' class = 'demo' > [Demo]< / a > < / p >
The key method used is < a href = '../doc/acceptpagebreak.htm' > AcceptPageBreak()< / a > . It allows to accept or not an automatic page
break. By refusing it and altering the margin and current position, the desired column layout
is achieved.
< br >
For the rest, not many changes; two properties have been added to the class to save the current
column number and the position where columns begin, and the MultiCell() call specifies a
6 centimeter width.
< / body >
< / html >
