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Reference index
InformationsAuthor: Pierre-André Vullioud
License: Freeware
DescriptionThis script allows to display an index with a list of references on several columns.
Reference($txt): adds a reference to the current page.
CreateReference($NbCol): displays the reference list on several columns.
Source
<?php
require('fpdf.php');
class PDF_Ref extends FPDF
{
var $RefActive=0; //Flag indicating that the index is being processed
var $ChangePage=0; //Flag indicating that a page break has occurred
var $Reference=array(); //Array containing the references
var $col=0; //Current column number
var $NbCol; //Total number of columns
var $y0; //Top ordinate of columns
function Header()
{
if($this->RefActive==1)
{
//Title of index pages
$this->SetFont('Arial', '', 15);
$this->Cell(0, 5, 'Index', 0, 1, 'C');
$this->Ln();
}
}
function Reference($txt)
{
$Present=0;
$size=sizeof($this->Reference);
//Search the reference in the array
for ($i=0;$i<$size;$i++){
if ($this->Reference[$i]['t']==$txt){
$Present=1;
$this->Reference[$i]['p'].=', '.$this->PageNo();
}
}
//If not found, add it
if ($Present==0)
$this->Reference[]=array('t'=>$txt, 'p'=>$this->PageNo());
}
function CreateReference($NbCol)
{
//Initialization
$this->RefActive=1;
$this->SetFontSize(8);
//New page
$this->AddPage();
//Save the ordinate
$this->y0=$this->GetY();
$this->NbCol=$NbCol;
$size=sizeof($this->Reference);
$PageWidth=$this->w-$this->lMargin-$this->rMargin;
for ($i=0;$i<$size;$i++){
//Handles page break and new position
if ($this->ChangePage==1) {
$this->ChangePage=0;
$this->y0=$this->GetY()-$this->FontSize-1;
}
//LibellLabel
$str=$this->Reference[$i]['t'];
$strsize=$this->GetStringWidth($str);
$this->Cell($strsize+2, $this->FontSize+2, $str, 0, 0, 'R');
//Dots
//Computes the widths
$ColWidth = ($PageWidth/$NbCol)-2;
$w=$ColWidth-$this->GetStringWidth($this->Reference[$i]['p'])-($strsize+4);
if ($w<15)
$w=15;
$nb=$w/$this->GetStringWidth('.');
$dots=str_repeat('.', $nb-2);
$this->Cell($w, $this->FontSize+2, $dots, 0, 0, 'L');
//Page number
$Largeur=$ColWidth-$strsize-$w;
$this->MultiCell($Largeur, $this->FontSize+1, $this->Reference[$i]['p'], 0, 1, 'R');
}
$this->RefActive==0;
}
function SetCol($col)
{
//Set position on a column
$this->col=$col;
$x=$this->rMargin+$col*($this->w-$this->rMargin-$this->rMargin)/$this->NbCol;
$this->SetLeftMargin($x);
$this->SetX($x);
}
function AcceptPageBreak()
{
if ($this->RefActive==1) {
if($this->col<$this->NbCol-1)
{
//Go to the next column
$this->SetCol($this->col+1);
$this->SetY($this->y0);
//Stay on the page
return false;
}
else
{
//Go back to the first column
$this->SetCol(0);
$this->ChangePage=1;
//Page break
return true;
}
}
else
{
return true;
}
}
}
?>
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Example
<?php
define('FPDF_FONTPATH', 'font/');
require('ref_index.php');
//Sort function for references
//To be defined by the user to achieve desired results
//This function is case insensitive
function cmp ($a, $b) {
return strnatcmp(strtolower($a['t']), strtolower($b['t']));
}
$pdf=new PDF_Ref();
$pdf->Open();
$pdf->SetFont('Arial', '', 15);
//Page 1
$pdf->AddPage();
$pdf->Cell(0, 5, 'Page 1', 0, 1, 'C');
$pdf->Reference('Ref1');
$pdf->Reference('Ref90');
$pdf->Reference('A');
//Page 2
$pdf->AddPage();
$pdf->Cell(0, 5, 'Page 2', 0, 1, 'C');
$pdf->Reference('Ref90');
$pdf->Reference('a');
$pdf->Reference('A');
$pdf->Reference('g');
$pdf->Reference('G');
$pdf->Reference('Nom');
for ($i=1;$i<=350;$i++)
$pdf->Reference('test'.$i);
//Alphabetic sort of the references
usort($pdf->Reference, 'cmp');
//Creation of index
$pdf->CreateReference(4);
$pdf->Output();
?>
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View the result here.
DownloadZIP | TGZ
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