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

class PDF extends FPDF
{
	protected $col = 0; // Current column
	protected $y0;      // Ordinate of column start

	function Header()
	{
		// Page header
		global $title;

		$this->SetFont('Arial', 'B', 15);
		$w = $this->GetStringWidth($title)+6;
		$this->SetX((210-$w)/2);
		$this->SetDrawColor(0, 80, 180);
		$this->SetFillColor(230, 230, 0);
		$this->SetTextColor(220, 50, 50);
		$this->SetLineWidth(1);
		$this->Cell($w, 9, $title, 1, 1, 'C', true);
		$this->Ln(10);
		// Save ordinate
		$this->y0 = $this->GetY();
	}

	function Footer()
	{
		// Page footer
		$this->SetY(-15);
		$this->SetFont('Arial', 'I' ,8);
		$this->SetTextColor(128);
		$this->Cell(0, 10, 'Page '.$this->PageNo(), 0, 0, 'C');
	}

	function SetCol($col)
	{
		// Set position at a given column
		$this->col = $col;
		$x = 10+$col*65;
		$this->SetLeftMargin($x);
		$this->SetX($x);
	}

	function AcceptPageBreak()
	{
		// Method accepting or not automatic page break
		if($this->col<2)
		{
			// Go to next column
			$this->SetCol($this->col+1);
			// Set ordinate to top
			$this->SetY($this->y0);
			// Keep on page
			return false;
		}
		else
		{
			// Go back to first column
			$this->SetCol(0);
			// Page break
			return true;
		}
	}

	function ChapterTitle($num, $label)
	{
		// Title
		$this->SetFont('Arial', '', 12);
		$this->SetFillColor(200, 220, 255);
		$this->Cell(0, 6, "Chapter $num : $label", 0, 1, 'L', true);
		$this->Ln(4);
		// Save ordinate
		$this->y0 = $this->GetY();
	}

	function ChapterBody($file)
	{
		// Read text file
		$txt = file_get_contents($file);
		// Font
		$this->SetFont('Times', '', 12);
		// Output text in a 6 cm width column
		$this->MultiCell(60, 5, $txt);
		$this->Ln();
		// Mention
		$this->SetFont('', 'I');
		$this->Cell(0, 5, '(end of excerpt)');
		// Go back to first column
		$this->SetCol(0);
	}

	function PrintChapter($num, $title, $file)
	{
		// Add chapter
		$this->AddPage();
		$this->ChapterTitle($num, $title);
		$this->ChapterBody($file);
	}
}

$pdf = new PDF();
$title = '20000 Leagues Under the Seas';
$pdf->SetTitle($title);
$pdf->SetAuthor('Jules Verne');
$pdf->PrintChapter(1, 'A RUNAWAY REEF', '20k_c1.txt');
$pdf->PrintChapter(2, 'THE PROS AND CONS', '20k_c2.txt');
$pdf->Output();
?>