Table of contents

Add-On Table of contents

Informations

Author:Richard Bondi
License: FPDF

Description

This script allows to generate and insert a table of contents anywhere in the document.
Use TOC_Entry() to add the entries, then call insertTOC() to place the table at the page you want.

Source

<?php
require('fpdf.php');

class PDF_TOC extends FPDF {
    protected $_toc=array();
    protected $_numbering=false;
    protected $_numberingFooter=false;
    protected $_numPageNum=1;

    function AddPage($orientation='', $format='', $rotation=0) {
        parent::AddPage($orientation, $format, $rotation);
        if($this->_numbering)
            $this->_numPageNum++;
    }

    function startPageNums() {
        $this->_numbering=true;
        $this->_numberingFooter=true;
    }

    function stopPageNums() {
        $this->_numbering=false;
    }

    function numPageNo() {
        return $this->_numPageNum;
    }

    function TOC_Entry($txt, $level=0) {
        $this->_toc[]=array('t'=>$txt, 'l'=>$level, 'p'=>$this->numPageNo());
    }

    function insertTOC( $location=1, 
                        $labelSize=20, 
                        $entrySize=10, 
                        $tocfont='Times', 
                        $label='Table of Contents'
                        ) {
        //make toc at end
        $this->stopPageNums();
        $this->AddPage();
        $tocstart=$this->page;

        $this->SetFont($tocfont, 'B', $labelSize);
        $this->Cell(0, 5, $label, 0, 1, 'C');
        $this->Ln(10);

        foreach($this->_toc as $t) {

            //Offset
            $level=$t['l'];
            if($level>0)
                $this->Cell($level*8);
            $weight='';
            if($level==0)
                $weight='B';
            $str=$t['t'];
            $this->SetFont($tocfont, $weight, $entrySize);
            $strsize=$this->GetStringWidth($str);
            $this->Cell($strsize+2, $this->FontSize+2, $str);

            //Filling dots
            $this->SetFont($tocfont, '', $entrySize);
            $PageCellSize=$this->GetStringWidth($t['p'])+2;
            $w=$this->w-$this->lMargin-$this->rMargin-$PageCellSize-($level*8)-($strsize+2);
            $nb=$w/$this->GetStringWidth('.');
            $dots=str_repeat('.', $nb);
            $this->Cell($w, $this->FontSize+2, $dots, 0, 0, 'R');

            //Page number
            $this->Cell($PageCellSize, $this->FontSize+2, $t['p'], 0, 1, 'R');
        }

        //Grab it and move to selected location
        $n=$this->page;
        $n_toc = $n - $tocstart + 1;
        $last = array();

        //store toc pages
        for($i = $tocstart;$i <= $n;$i++)
            $last[]=$this->pages[$i];

        //move pages
        for($i=$tocstart-1;$i>=$location-1;$i--)
            $this->pages[$i+$n_toc]=$this->pages[$i];

        //Put toc pages at insert point
        for($i = 0;$i < $n_toc;$i++)
            $this->pages[$location + $i]=$last[$i];
    }

    function Footer() {
        if(!$this->_numberingFooter)
            return;
        //Go to 1.5 cm from bottom
        $this->SetY(-15);
        //Select Arial italic 8
        $this->SetFont('Arial', 'I', 8);
        $this->Cell(0, 7, $this->numPageNo(), 0, 0, 'C'); 
        if(!$this->_numbering)
            $this->_numberingFooter=false;
    }
}
?>

Example

<?php
require('toc.php');

$pdf= new PDF_TOC(); 
$pdf->SetFont('Times', '', 12);
$pdf->AddPage();
$pdf->Cell(0, 5, 'Cover', 0, 1, 'C');
$pdf->AddPage();
$pdf->startPageNums();
$pdf->Cell(0, 5, 'TOC1', 0, 1, 'L');
$pdf->TOC_Entry('TOC1', 0);
$pdf->Cell(0, 5, 'TOC1.1', 0, 1, 'L');
$pdf->TOC_Entry('TOC1.1', 1);
$pdf->AddPage();
$pdf->Cell(0, 5, 'TOC2', 0, 1, 'L');
$pdf->TOC_Entry('TOC2', 0);
$pdf->AddPage();
for($i=3;$i<=80;$i++){
    $pdf->Cell(0, 5, 'TOC'.$i, 0, 1, 'L');
    $pdf->TOC_Entry('TOC'.$i, 0);
}
$pdf->stopPageNums();
$pdf->AddPage();
$pdf->Cell(0, 5, 'Unnumbered page', 0, 1, 'L');
//Generate and insert TOC at page 2
$pdf->insertTOC(2);
$pdf->Output();
?>
View the result here.

Download

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